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authorDiego 'Flameeyes' Pettenò <flameeyes@gmail.com>2006-12-02 01:19:48 +0000
committerDiego 'Flameeyes' Pettenò <flameeyes@gmail.com>2006-12-02 01:19:48 +0000
commit0ea721f7ce81357bc4ec6eea609cd50482c3d15b (patch)
tree25a0871cb3c06f9716acf9c204192d548f214048 /contrib/ffmpeg/libavcodec/h264.c
parentd8ec380876e7f697ba609546d61757ab3f2d8715 (diff)
downloadxine-lib-0ea721f7ce81357bc4ec6eea609cd50482c3d15b.tar.gz
xine-lib-0ea721f7ce81357bc4ec6eea609cd50482c3d15b.tar.bz2
Start working on a branch where FFmpeg is not copied, patched and carved to be built with automake but instead imported inline and built using its own build system. This is an import of a slightly modified FFmpeg current tree. xine-lib builds, install and run fine with it, but there are of course plenty of things that needs to be fixed before it can even be considered for a 1.2.x series. Work will continue in the next days of course.
CVS patchset: 8397 CVS date: 2006/12/02 01:19:48
Diffstat (limited to 'contrib/ffmpeg/libavcodec/h264.c')
-rw-r--r--contrib/ffmpeg/libavcodec/h264.c8655
1 files changed, 8655 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavcodec/h264.c b/contrib/ffmpeg/libavcodec/h264.c
new file mode 100644
index 000000000..ad23ae120
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/h264.c
@@ -0,0 +1,8655 @@
+/*
+ * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
+ * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+/**
+ * @file h264.c
+ * H.264 / AVC / MPEG4 part10 codec.
+ * @author Michael Niedermayer <michaelni@gmx.at>
+ */
+
+#include "common.h"
+#include "dsputil.h"
+#include "avcodec.h"
+#include "mpegvideo.h"
+#include "h264data.h"
+#include "golomb.h"
+
+#include "cabac.h"
+
+//#undef NDEBUG
+#include <assert.h>
+
+#define interlaced_dct interlaced_dct_is_a_bad_name
+#define mb_intra mb_intra_isnt_initalized_see_mb_type
+
+#define LUMA_DC_BLOCK_INDEX 25
+#define CHROMA_DC_BLOCK_INDEX 26
+
+#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8
+#define COEFF_TOKEN_VLC_BITS 8
+#define TOTAL_ZEROS_VLC_BITS 9
+#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3
+#define RUN_VLC_BITS 3
+#define RUN7_VLC_BITS 6
+
+#define MAX_SPS_COUNT 32
+#define MAX_PPS_COUNT 256
+
+#define MAX_MMCO_COUNT 66
+
+/* Compiling in interlaced support reduces the speed
+ * of progressive decoding by about 2%. */
+#define ALLOW_INTERLACE
+
+#ifdef ALLOW_INTERLACE
+#define MB_MBAFF h->mb_mbaff
+#define MB_FIELD h->mb_field_decoding_flag
+#define FRAME_MBAFF h->mb_aff_frame
+#else
+#define MB_MBAFF 0
+#define MB_FIELD 0
+#define FRAME_MBAFF 0
+#undef IS_INTERLACED
+#define IS_INTERLACED(mb_type) 0
+#endif
+
+/**
+ * Sequence parameter set
+ */
+typedef struct SPS{
+
+ int profile_idc;
+ int level_idc;
+ int transform_bypass; ///< qpprime_y_zero_transform_bypass_flag
+ int log2_max_frame_num; ///< log2_max_frame_num_minus4 + 4
+ int poc_type; ///< pic_order_cnt_type
+ int log2_max_poc_lsb; ///< log2_max_pic_order_cnt_lsb_minus4
+ int delta_pic_order_always_zero_flag;
+ int offset_for_non_ref_pic;
+ int offset_for_top_to_bottom_field;
+ int poc_cycle_length; ///< num_ref_frames_in_pic_order_cnt_cycle
+ int ref_frame_count; ///< num_ref_frames
+ int gaps_in_frame_num_allowed_flag;
+ int mb_width; ///< frame_width_in_mbs_minus1 + 1
+ int mb_height; ///< frame_height_in_mbs_minus1 + 1
+ int frame_mbs_only_flag;
+ int mb_aff; ///<mb_adaptive_frame_field_flag
+ int direct_8x8_inference_flag;
+ int crop; ///< frame_cropping_flag
+ int crop_left; ///< frame_cropping_rect_left_offset
+ int crop_right; ///< frame_cropping_rect_right_offset
+ int crop_top; ///< frame_cropping_rect_top_offset
+ int crop_bottom; ///< frame_cropping_rect_bottom_offset
+ int vui_parameters_present_flag;
+ AVRational sar;
+ int timing_info_present_flag;
+ uint32_t num_units_in_tick;
+ uint32_t time_scale;
+ int fixed_frame_rate_flag;
+ short offset_for_ref_frame[256]; //FIXME dyn aloc?
+ int bitstream_restriction_flag;
+ int num_reorder_frames;
+ int scaling_matrix_present;
+ uint8_t scaling_matrix4[6][16];
+ uint8_t scaling_matrix8[2][64];
+}SPS;
+
+/**
+ * Picture parameter set
+ */
+typedef struct PPS{
+ int sps_id;
+ int cabac; ///< entropy_coding_mode_flag
+ int pic_order_present; ///< pic_order_present_flag
+ int slice_group_count; ///< num_slice_groups_minus1 + 1
+ int mb_slice_group_map_type;
+ int ref_count[2]; ///< num_ref_idx_l0/1_active_minus1 + 1
+ int weighted_pred; ///< weighted_pred_flag
+ int weighted_bipred_idc;
+ int init_qp; ///< pic_init_qp_minus26 + 26
+ int init_qs; ///< pic_init_qs_minus26 + 26
+ int chroma_qp_index_offset;
+ int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
+ int constrained_intra_pred; ///< constrained_intra_pred_flag
+ int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
+ int transform_8x8_mode; ///< transform_8x8_mode_flag
+ uint8_t scaling_matrix4[6][16];
+ uint8_t scaling_matrix8[2][64];
+}PPS;
+
+/**
+ * Memory management control operation opcode.
+ */
+typedef enum MMCOOpcode{
+ MMCO_END=0,
+ MMCO_SHORT2UNUSED,
+ MMCO_LONG2UNUSED,
+ MMCO_SHORT2LONG,
+ MMCO_SET_MAX_LONG,
+ MMCO_RESET,
+ MMCO_LONG,
+} MMCOOpcode;
+
+/**
+ * Memory management control operation.
+ */
+typedef struct MMCO{
+ MMCOOpcode opcode;
+ int short_frame_num;
+ int long_index;
+} MMCO;
+
+/**
+ * H264Context
+ */
+typedef struct H264Context{
+ MpegEncContext s;
+ int nal_ref_idc;
+ int nal_unit_type;
+#define NAL_SLICE 1
+#define NAL_DPA 2
+#define NAL_DPB 3
+#define NAL_DPC 4
+#define NAL_IDR_SLICE 5
+#define NAL_SEI 6
+#define NAL_SPS 7
+#define NAL_PPS 8
+#define NAL_AUD 9
+#define NAL_END_SEQUENCE 10
+#define NAL_END_STREAM 11
+#define NAL_FILLER_DATA 12
+#define NAL_SPS_EXT 13
+#define NAL_AUXILIARY_SLICE 19
+ uint8_t *rbsp_buffer;
+ unsigned int rbsp_buffer_size;
+
+ /**
+ * Used to parse AVC variant of h264
+ */
+ int is_avc; ///< this flag is != 0 if codec is avc1
+ int got_avcC; ///< flag used to parse avcC data only once
+ int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
+
+ int chroma_qp; //QPc
+
+ int prev_mb_skipped;
+ int next_mb_skipped;
+
+ //prediction stuff
+ int chroma_pred_mode;
+ int intra16x16_pred_mode;
+
+ int top_mb_xy;
+ int left_mb_xy[2];
+
+ int8_t intra4x4_pred_mode_cache[5*8];
+ int8_t (*intra4x4_pred_mode)[8];
+ void (*pred4x4 [9+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
+ void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
+ void (*pred8x8 [4+3])(uint8_t *src, int stride);
+ void (*pred16x16[4+3])(uint8_t *src, int stride);
+ unsigned int topleft_samples_available;
+ unsigned int top_samples_available;
+ unsigned int topright_samples_available;
+ unsigned int left_samples_available;
+ uint8_t (*top_borders[2])[16+2*8];
+ uint8_t left_border[2*(17+2*9)];
+
+ /**
+ * non zero coeff count cache.
+ * is 64 if not available.
+ */
+ DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache[6*8]);
+ uint8_t (*non_zero_count)[16];
+
+ /**
+ * Motion vector cache.
+ */
+ DECLARE_ALIGNED_8(int16_t, mv_cache[2][5*8][2]);
+ DECLARE_ALIGNED_8(int8_t, ref_cache[2][5*8]);
+#define LIST_NOT_USED -1 //FIXME rename?
+#define PART_NOT_AVAILABLE -2
+
+ /**
+ * is 1 if the specific list MV&references are set to 0,0,-2.
+ */
+ int mv_cache_clean[2];
+
+ /**
+ * number of neighbors (top and/or left) that used 8x8 dct
+ */
+ int neighbor_transform_size;
+
+ /**
+ * block_offset[ 0..23] for frame macroblocks
+ * block_offset[24..47] for field macroblocks
+ */
+ int block_offset[2*(16+8)];
+
+ uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
+ uint32_t *mb2b8_xy;
+ int b_stride; //FIXME use s->b4_stride
+ int b8_stride;
+
+ int mb_linesize; ///< may be equal to s->linesize or s->linesize*2, for mbaff
+ int mb_uvlinesize;
+
+ int emu_edge_width;
+ int emu_edge_height;
+
+ int halfpel_flag;
+ int thirdpel_flag;
+
+ int unknown_svq3_flag;
+ int next_slice_index;
+
+ SPS sps_buffer[MAX_SPS_COUNT];
+ SPS sps; ///< current sps
+
+ PPS pps_buffer[MAX_PPS_COUNT];
+ /**
+ * current pps
+ */
+ PPS pps; //FIXME move to Picture perhaps? (->no) do we need that?
+
+ uint32_t dequant4_buffer[6][52][16];
+ uint32_t dequant8_buffer[2][52][64];
+ uint32_t (*dequant4_coeff[6])[16];
+ uint32_t (*dequant8_coeff[2])[64];
+ int dequant_coeff_pps; ///< reinit tables when pps changes
+
+ int slice_num;
+ uint8_t *slice_table_base;
+ uint8_t *slice_table; ///< slice_table_base + 2*mb_stride + 1
+ int slice_type;
+ int slice_type_fixed;
+
+ //interlacing specific flags
+ int mb_aff_frame;
+ int mb_field_decoding_flag;
+ int mb_mbaff; ///< mb_aff_frame && mb_field_decoding_flag
+
+ int sub_mb_type[4];
+
+ //POC stuff
+ int poc_lsb;
+ int poc_msb;
+ int delta_poc_bottom;
+ int delta_poc[2];
+ int frame_num;
+ int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0
+ int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0
+ int frame_num_offset; ///< for POC type 2
+ int prev_frame_num_offset; ///< for POC type 2
+ int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
+
+ /**
+ * frame_num for frames or 2*frame_num for field pics.
+ */
+ int curr_pic_num;
+
+ /**
+ * max_frame_num or 2*max_frame_num for field pics.
+ */
+ int max_pic_num;
+
+ //Weighted pred stuff
+ int use_weight;
+ int use_weight_chroma;
+ int luma_log2_weight_denom;
+ int chroma_log2_weight_denom;
+ int luma_weight[2][48];
+ int luma_offset[2][48];
+ int chroma_weight[2][48][2];
+ int chroma_offset[2][48][2];
+ int implicit_weight[48][48];
+
+ //deblock
+ int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0
+ int slice_alpha_c0_offset;
+ int slice_beta_offset;
+
+ int redundant_pic_count;
+
+ int direct_spatial_mv_pred;
+ int dist_scale_factor[16];
+ int dist_scale_factor_field[32];
+ int map_col_to_list0[2][16];
+ int map_col_to_list0_field[2][32];
+
+ /**
+ * num_ref_idx_l0/1_active_minus1 + 1
+ */
+ int ref_count[2]; ///< counts frames or fields, depending on current mb mode
+ Picture *short_ref[32];
+ Picture *long_ref[32];
+ Picture default_ref_list[2][32];
+ Picture ref_list[2][48]; ///< 0..15: frame refs, 16..47: mbaff field refs
+ Picture *delayed_pic[16]; //FIXME size?
+ Picture *delayed_output_pic;
+
+ /**
+ * memory management control operations buffer.
+ */
+ MMCO mmco[MAX_MMCO_COUNT];
+ int mmco_index;
+
+ int long_ref_count; ///< number of actual long term references
+ int short_ref_count; ///< number of actual short term references
+
+ //data partitioning
+ GetBitContext intra_gb;
+ GetBitContext inter_gb;
+ GetBitContext *intra_gb_ptr;
+ GetBitContext *inter_gb_ptr;
+
+ DECLARE_ALIGNED_8(DCTELEM, mb[16*24]);
+
+ /**
+ * Cabac
+ */
+ CABACContext cabac;
+ uint8_t cabac_state[460];
+ int cabac_init_idc;
+
+ /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
+ uint16_t *cbp_table;
+ int cbp;
+ int top_cbp;
+ int left_cbp;
+ /* chroma_pred_mode for i4x4 or i16x16, else 0 */
+ uint8_t *chroma_pred_mode_table;
+ int last_qscale_diff;
+ int16_t (*mvd_table[2])[2];
+ DECLARE_ALIGNED_8(int16_t, mvd_cache[2][5*8][2]);
+ uint8_t *direct_table;
+ uint8_t direct_cache[5*8];
+
+ uint8_t zigzag_scan[16];
+ uint8_t zigzag_scan8x8[64];
+ uint8_t zigzag_scan8x8_cavlc[64];
+ uint8_t field_scan[16];
+ uint8_t field_scan8x8[64];
+ uint8_t field_scan8x8_cavlc[64];
+ const uint8_t *zigzag_scan_q0;
+ const uint8_t *zigzag_scan8x8_q0;
+ const uint8_t *zigzag_scan8x8_cavlc_q0;
+ const uint8_t *field_scan_q0;
+ const uint8_t *field_scan8x8_q0;
+ const uint8_t *field_scan8x8_cavlc_q0;
+
+ int x264_build;
+}H264Context;
+
+static VLC coeff_token_vlc[4];
+static VLC chroma_dc_coeff_token_vlc;
+
+static VLC total_zeros_vlc[15];
+static VLC chroma_dc_total_zeros_vlc[3];
+
+static VLC run_vlc[6];
+static VLC run7_vlc;
+
+static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
+static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
+static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
+static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
+
+static always_inline uint32_t pack16to32(int a, int b){
+#ifdef WORDS_BIGENDIAN
+ return (b&0xFFFF) + (a<<16);
+#else
+ return (a&0xFFFF) + (b<<16);
+#endif
+}
+
+/**
+ * fill a rectangle.
+ * @param h height of the rectangle, should be a constant
+ * @param w width of the rectangle, should be a constant
+ * @param size the size of val (1 or 4), should be a constant
+ */
+static always_inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){
+ uint8_t *p= (uint8_t*)vp;
+ assert(size==1 || size==4);
+ assert(w<=4);
+
+ w *= size;
+ stride *= size;
+
+ assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
+ assert((stride&(w-1))==0);
+ if(w==2){
+ const uint16_t v= size==4 ? val : val*0x0101;
+ *(uint16_t*)(p + 0*stride)= v;
+ if(h==1) return;
+ *(uint16_t*)(p + 1*stride)= v;
+ if(h==2) return;
+ *(uint16_t*)(p + 2*stride)=
+ *(uint16_t*)(p + 3*stride)= v;
+ }else if(w==4){
+ const uint32_t v= size==4 ? val : val*0x01010101;
+ *(uint32_t*)(p + 0*stride)= v;
+ if(h==1) return;
+ *(uint32_t*)(p + 1*stride)= v;
+ if(h==2) return;
+ *(uint32_t*)(p + 2*stride)=
+ *(uint32_t*)(p + 3*stride)= v;
+ }else if(w==8){
+ //gcc can't optimize 64bit math on x86_32
+#if defined(ARCH_X86_64) || (defined(MP_WORDSIZE) && MP_WORDSIZE >= 64)
+ const uint64_t v= val*0x0100000001ULL;
+ *(uint64_t*)(p + 0*stride)= v;
+ if(h==1) return;
+ *(uint64_t*)(p + 1*stride)= v;
+ if(h==2) return;
+ *(uint64_t*)(p + 2*stride)=
+ *(uint64_t*)(p + 3*stride)= v;
+ }else if(w==16){
+ const uint64_t v= val*0x0100000001ULL;
+ *(uint64_t*)(p + 0+0*stride)=
+ *(uint64_t*)(p + 8+0*stride)=
+ *(uint64_t*)(p + 0+1*stride)=
+ *(uint64_t*)(p + 8+1*stride)= v;
+ if(h==2) return;
+ *(uint64_t*)(p + 0+2*stride)=
+ *(uint64_t*)(p + 8+2*stride)=
+ *(uint64_t*)(p + 0+3*stride)=
+ *(uint64_t*)(p + 8+3*stride)= v;
+#else
+ *(uint32_t*)(p + 0+0*stride)=
+ *(uint32_t*)(p + 4+0*stride)= val;
+ if(h==1) return;
+ *(uint32_t*)(p + 0+1*stride)=
+ *(uint32_t*)(p + 4+1*stride)= val;
+ if(h==2) return;
+ *(uint32_t*)(p + 0+2*stride)=
+ *(uint32_t*)(p + 4+2*stride)=
+ *(uint32_t*)(p + 0+3*stride)=
+ *(uint32_t*)(p + 4+3*stride)= val;
+ }else if(w==16){
+ *(uint32_t*)(p + 0+0*stride)=
+ *(uint32_t*)(p + 4+0*stride)=
+ *(uint32_t*)(p + 8+0*stride)=
+ *(uint32_t*)(p +12+0*stride)=
+ *(uint32_t*)(p + 0+1*stride)=
+ *(uint32_t*)(p + 4+1*stride)=
+ *(uint32_t*)(p + 8+1*stride)=
+ *(uint32_t*)(p +12+1*stride)= val;
+ if(h==2) return;
+ *(uint32_t*)(p + 0+2*stride)=
+ *(uint32_t*)(p + 4+2*stride)=
+ *(uint32_t*)(p + 8+2*stride)=
+ *(uint32_t*)(p +12+2*stride)=
+ *(uint32_t*)(p + 0+3*stride)=
+ *(uint32_t*)(p + 4+3*stride)=
+ *(uint32_t*)(p + 8+3*stride)=
+ *(uint32_t*)(p +12+3*stride)= val;
+#endif
+ }else
+ assert(0);
+ assert(h==4);
+}
+
+static void fill_caches(H264Context *h, int mb_type, int for_deblock){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
+ int topleft_xy, top_xy, topright_xy, left_xy[2];
+ int topleft_type, top_type, topright_type, left_type[2];
+ int left_block[8];
+ int i;
+
+ //FIXME deblocking could skip the intra and nnz parts.
+ if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[mb_xy-s->mb_stride]) && !FRAME_MBAFF)
+ return;
+
+ //wow what a mess, why didn't they simplify the interlacing&intra stuff, i can't imagine that these complex rules are worth it
+
+ top_xy = mb_xy - s->mb_stride;
+ topleft_xy = top_xy - 1;
+ topright_xy= top_xy + 1;
+ left_xy[1] = left_xy[0] = mb_xy-1;
+ left_block[0]= 0;
+ left_block[1]= 1;
+ left_block[2]= 2;
+ left_block[3]= 3;
+ left_block[4]= 7;
+ left_block[5]= 10;
+ left_block[6]= 8;
+ left_block[7]= 11;
+ if(FRAME_MBAFF){
+ const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
+ const int top_pair_xy = pair_xy - s->mb_stride;
+ const int topleft_pair_xy = top_pair_xy - 1;
+ const int topright_pair_xy = top_pair_xy + 1;
+ const int topleft_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
+ const int top_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
+ const int topright_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
+ const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
+ const int curr_mb_frame_flag = !IS_INTERLACED(mb_type);
+ const int bottom = (s->mb_y & 1);
+ tprintf("fill_caches: curr_mb_frame_flag:%d, left_mb_frame_flag:%d, topleft_mb_frame_flag:%d, top_mb_frame_flag:%d, topright_mb_frame_flag:%d\n", curr_mb_frame_flag, left_mb_frame_flag, topleft_mb_frame_flag, top_mb_frame_flag, topright_mb_frame_flag);
+ if (bottom
+ ? !curr_mb_frame_flag // bottom macroblock
+ : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
+ ) {
+ top_xy -= s->mb_stride;
+ }
+ if (bottom
+ ? !curr_mb_frame_flag // bottom macroblock
+ : (!curr_mb_frame_flag && !topleft_mb_frame_flag) // top macroblock
+ ) {
+ topleft_xy -= s->mb_stride;
+ }
+ if (bottom
+ ? !curr_mb_frame_flag // bottom macroblock
+ : (!curr_mb_frame_flag && !topright_mb_frame_flag) // top macroblock
+ ) {
+ topright_xy -= s->mb_stride;
+ }
+ if (left_mb_frame_flag != curr_mb_frame_flag) {
+ left_xy[1] = left_xy[0] = pair_xy - 1;
+ if (curr_mb_frame_flag) {
+ if (bottom) {
+ left_block[0]= 2;
+ left_block[1]= 2;
+ left_block[2]= 3;
+ left_block[3]= 3;
+ left_block[4]= 8;
+ left_block[5]= 11;
+ left_block[6]= 8;
+ left_block[7]= 11;
+ } else {
+ left_block[0]= 0;
+ left_block[1]= 0;
+ left_block[2]= 1;
+ left_block[3]= 1;
+ left_block[4]= 7;
+ left_block[5]= 10;
+ left_block[6]= 7;
+ left_block[7]= 10;
+ }
+ } else {
+ left_xy[1] += s->mb_stride;
+ //left_block[0]= 0;
+ left_block[1]= 2;
+ left_block[2]= 0;
+ left_block[3]= 2;
+ //left_block[4]= 7;
+ left_block[5]= 10;
+ left_block[6]= 7;
+ left_block[7]= 10;
+ }
+ }
+ }
+
+ h->top_mb_xy = top_xy;
+ h->left_mb_xy[0] = left_xy[0];
+ h->left_mb_xy[1] = left_xy[1];
+ if(for_deblock){
+ topleft_type = 0;
+ topright_type = 0;
+ top_type = h->slice_table[top_xy ] < 255 ? s->current_picture.mb_type[top_xy] : 0;
+ left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
+ left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
+
+ if(FRAME_MBAFF && !IS_INTRA(mb_type)){
+ int list;
+ int v = *(uint16_t*)&h->non_zero_count[mb_xy][14];
+ for(i=0; i<16; i++)
+ h->non_zero_count_cache[scan8[i]] = (v>>i)&1;
+ for(list=0; list<1+(h->slice_type==B_TYPE); list++){
+ if(USES_LIST(mb_type,list)){
+ uint32_t *src = (uint32_t*)s->current_picture.motion_val[list][h->mb2b_xy[mb_xy]];
+ uint32_t *dst = (uint32_t*)h->mv_cache[list][scan8[0]];
+ int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
+ for(i=0; i<4; i++, dst+=8, src+=h->b_stride){
+ dst[0] = src[0];
+ dst[1] = src[1];
+ dst[2] = src[2];
+ dst[3] = src[3];
+ }
+ *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
+ *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = pack16to32(ref[0],ref[1])*0x0101;
+ ref += h->b8_stride;
+ *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
+ *(uint32_t*)&h->ref_cache[list][scan8[10]] = pack16to32(ref[0],ref[1])*0x0101;
+ }else{
+ fill_rectangle(&h-> mv_cache[list][scan8[ 0]], 4, 4, 8, 0, 4);
+ fill_rectangle(&h->ref_cache[list][scan8[ 0]], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
+ }
+ }
+ }
+ }else{
+ topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
+ top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
+ topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
+ left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
+ left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
+ }
+
+ if(IS_INTRA(mb_type)){
+ h->topleft_samples_available=
+ h->top_samples_available=
+ h->left_samples_available= 0xFFFF;
+ h->topright_samples_available= 0xEEEA;
+
+ if(!IS_INTRA(top_type) && (top_type==0 || h->pps.constrained_intra_pred)){
+ h->topleft_samples_available= 0xB3FF;
+ h->top_samples_available= 0x33FF;
+ h->topright_samples_available= 0x26EA;
+ }
+ for(i=0; i<2; i++){
+ if(!IS_INTRA(left_type[i]) && (left_type[i]==0 || h->pps.constrained_intra_pred)){
+ h->topleft_samples_available&= 0xDF5F;
+ h->left_samples_available&= 0x5F5F;
+ }
+ }
+
+ if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred))
+ h->topleft_samples_available&= 0x7FFF;
+
+ if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred))
+ h->topright_samples_available&= 0xFBFF;
+
+ if(IS_INTRA4x4(mb_type)){
+ if(IS_INTRA4x4(top_type)){
+ h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
+ h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
+ h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
+ h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
+ }else{
+ int pred;
+ if(!top_type || (IS_INTER(top_type) && h->pps.constrained_intra_pred))
+ pred= -1;
+ else{
+ pred= 2;
+ }
+ h->intra4x4_pred_mode_cache[4+8*0]=
+ h->intra4x4_pred_mode_cache[5+8*0]=
+ h->intra4x4_pred_mode_cache[6+8*0]=
+ h->intra4x4_pred_mode_cache[7+8*0]= pred;
+ }
+ for(i=0; i<2; i++){
+ if(IS_INTRA4x4(left_type[i])){
+ h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
+ h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
+ }else{
+ int pred;
+ if(!left_type[i] || (IS_INTER(left_type[i]) && h->pps.constrained_intra_pred))
+ pred= -1;
+ else{
+ pred= 2;
+ }
+ h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
+ h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
+ }
+ }
+ }
+ }
+
+
+/*
+0 . T T. T T T T
+1 L . .L . . . .
+2 L . .L . . . .
+3 . T TL . . . .
+4 L . .L . . . .
+5 L . .. . . . .
+*/
+//FIXME constraint_intra_pred & partitioning & nnz (lets hope this is just a typo in the spec)
+ if(top_type){
+ h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];
+ h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];
+ h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];
+ h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
+
+ h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];
+ h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
+
+ h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];
+ h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
+
+ }else{
+ h->non_zero_count_cache[4+8*0]=
+ h->non_zero_count_cache[5+8*0]=
+ h->non_zero_count_cache[6+8*0]=
+ h->non_zero_count_cache[7+8*0]=
+
+ h->non_zero_count_cache[1+8*0]=
+ h->non_zero_count_cache[2+8*0]=
+
+ h->non_zero_count_cache[1+8*3]=
+ h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
+
+ }
+
+ for (i=0; i<2; i++) {
+ if(left_type[i]){
+ h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];
+ h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];
+ h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];
+ h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];
+ }else{
+ h->non_zero_count_cache[3+8*1 + 2*8*i]=
+ h->non_zero_count_cache[3+8*2 + 2*8*i]=
+ h->non_zero_count_cache[0+8*1 + 8*i]=
+ h->non_zero_count_cache[0+8*4 + 8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
+ }
+ }
+
+ if( h->pps.cabac ) {
+ // top_cbp
+ if(top_type) {
+ h->top_cbp = h->cbp_table[top_xy];
+ } else if(IS_INTRA(mb_type)) {
+ h->top_cbp = 0x1C0;
+ } else {
+ h->top_cbp = 0;
+ }
+ // left_cbp
+ if (left_type[0]) {
+ h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
+ } else if(IS_INTRA(mb_type)) {
+ h->left_cbp = 0x1C0;
+ } else {
+ h->left_cbp = 0;
+ }
+ if (left_type[0]) {
+ h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
+ }
+ if (left_type[1]) {
+ h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
+ }
+ }
+
+#if 1
+ if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
+ int list;
+ for(list=0; list<1+(h->slice_type==B_TYPE); list++){
+ if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
+ /*if(!h->mv_cache_clean[list]){
+ memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
+ memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
+ h->mv_cache_clean[list]= 1;
+ }*/
+ continue;
+ }
+ h->mv_cache_clean[list]= 0;
+
+ if(USES_LIST(top_type, list)){
+ const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
+ const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
+ *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
+ *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];
+ *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];
+ *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];
+ h->ref_cache[list][scan8[0] + 0 - 1*8]=
+ h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
+ h->ref_cache[list][scan8[0] + 2 - 1*8]=
+ h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
+ }else{
+ *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=
+ *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=
+ *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=
+ *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;
+ *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
+ }
+
+ //FIXME unify cleanup or sth
+ if(USES_LIST(left_type[0], list)){
+ const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
+ const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
+ *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0]];
+ *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1]];
+ h->ref_cache[list][scan8[0] - 1 + 0*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0]>>1)];
+ h->ref_cache[list][scan8[0] - 1 + 1*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1]>>1)];
+ }else{
+ *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0*8]=
+ *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 1*8]= 0;
+ h->ref_cache[list][scan8[0] - 1 + 0*8]=
+ h->ref_cache[list][scan8[0] - 1 + 1*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
+ }
+
+ if(USES_LIST(left_type[1], list)){
+ const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
+ const int b8_xy= h->mb2b8_xy[left_xy[1]] + 1;
+ *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[2]];
+ *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[3]];
+ h->ref_cache[list][scan8[0] - 1 + 2*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[2]>>1)];
+ h->ref_cache[list][scan8[0] - 1 + 3*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[3]>>1)];
+ }else{
+ *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 2*8]=
+ *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 3*8]= 0;
+ h->ref_cache[list][scan8[0] - 1 + 2*8]=
+ h->ref_cache[list][scan8[0] - 1 + 3*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
+ assert((!left_type[0]) == (!left_type[1]));
+ }
+
+ if((for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred)) && !FRAME_MBAFF)
+ continue;
+
+ if(USES_LIST(topleft_type, list)){
+ const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
+ const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride;
+ *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
+ h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
+ }else{
+ *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
+ h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
+ }
+
+ if(USES_LIST(topright_type, list)){
+ const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
+ const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
+ *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
+ h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
+ }else{
+ *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
+ h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
+ }
+
+ if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)
+ continue;
+
+ h->ref_cache[list][scan8[5 ]+1] =
+ h->ref_cache[list][scan8[7 ]+1] =
+ h->ref_cache[list][scan8[13]+1] = //FIXME remove past 3 (init somewhere else)
+ h->ref_cache[list][scan8[4 ]] =
+ h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
+ *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
+ *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
+ *(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
+ *(uint32_t*)h->mv_cache [list][scan8[4 ]]=
+ *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
+
+ if( h->pps.cabac ) {
+ /* XXX beurk, Load mvd */
+ if(USES_LIST(top_type, list)){
+ const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
+ *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
+ *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
+ *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];
+ *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];
+ }else{
+ *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=
+ *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=
+ *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
+ *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
+ }
+ if(USES_LIST(left_type[0], list)){
+ const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
+ *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
+ *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
+ }else{
+ *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
+ *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
+ }
+ if(USES_LIST(left_type[1], list)){
+ const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
+ *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
+ *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
+ }else{
+ *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
+ *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
+ }
+ *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
+ *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
+ *(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
+ *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
+ *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
+
+ if(h->slice_type == B_TYPE){
+ fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);
+
+ if(IS_DIRECT(top_type)){
+ *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
+ }else if(IS_8X8(top_type)){
+ int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
+ h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
+ h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
+ }else{
+ *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
+ }
+
+ if(IS_DIRECT(left_type[0]))
+ h->direct_cache[scan8[0] - 1 + 0*8]= 1;
+ else if(IS_8X8(left_type[0]))
+ h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];
+ else
+ h->direct_cache[scan8[0] - 1 + 0*8]= 0;
+
+ if(IS_DIRECT(left_type[1]))
+ h->direct_cache[scan8[0] - 1 + 2*8]= 1;
+ else if(IS_8X8(left_type[1]))
+ h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];
+ else
+ h->direct_cache[scan8[0] - 1 + 2*8]= 0;
+ }
+ }
+
+ if(FRAME_MBAFF){
+#define MAP_MVS\
+ MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
+ MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
+ MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
+ MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
+ MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
+ MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
+ MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
+ MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
+ MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
+ MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])
+ if(MB_FIELD){
+#define MAP_F2F(idx, mb_type)\
+ if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
+ h->ref_cache[list][idx] <<= 1;\
+ h->mv_cache[list][idx][1] /= 2;\
+ h->mvd_cache[list][idx][1] /= 2;\
+ }
+ MAP_MVS
+#undef MAP_F2F
+ }else{
+#define MAP_F2F(idx, mb_type)\
+ if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
+ h->ref_cache[list][idx] >>= 1;\
+ h->mv_cache[list][idx][1] <<= 1;\
+ h->mvd_cache[list][idx][1] <<= 1;\
+ }
+ MAP_MVS
+#undef MAP_F2F
+ }
+ }
+ }
+ }
+#endif
+
+ h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
+}
+
+static inline void write_back_intra_pred_mode(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
+
+ h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
+ h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
+ h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
+ h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
+ h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
+ h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
+ h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
+}
+
+/**
+ * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
+ */
+static inline int check_intra4x4_pred_mode(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
+ static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
+ int i;
+
+ if(!(h->top_samples_available&0x8000)){
+ for(i=0; i<4; i++){
+ int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
+ if(status<0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
+ return -1;
+ } else if(status){
+ h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
+ }
+ }
+ }
+
+ if(!(h->left_samples_available&0x8000)){
+ for(i=0; i<4; i++){
+ int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
+ if(status<0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
+ return -1;
+ } else if(status){
+ h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
+ }
+ }
+ }
+
+ return 0;
+} //FIXME cleanup like next
+
+/**
+ * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
+ */
+static inline int check_intra_pred_mode(H264Context *h, int mode){
+ MpegEncContext * const s = &h->s;
+ static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
+ static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
+
+ if(mode < 0 || mode > 6) {
+ av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+
+ if(!(h->top_samples_available&0x8000)){
+ mode= top[ mode ];
+ if(mode<0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+ }
+
+ if(!(h->left_samples_available&0x8000)){
+ mode= left[ mode ];
+ if(mode<0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+ }
+
+ return mode;
+}
+
+/**
+ * gets the predicted intra4x4 prediction mode.
+ */
+static inline int pred_intra_mode(H264Context *h, int n){
+ const int index8= scan8[n];
+ const int left= h->intra4x4_pred_mode_cache[index8 - 1];
+ const int top = h->intra4x4_pred_mode_cache[index8 - 8];
+ const int min= FFMIN(left, top);
+
+ tprintf("mode:%d %d min:%d\n", left ,top, min);
+
+ if(min<0) return DC_PRED;
+ else return min;
+}
+
+static inline void write_back_non_zero_count(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
+
+ h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1];
+ h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2];
+ h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3];
+ h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4];
+ h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4];
+ h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4];
+ h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4];
+
+ h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2];
+ h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2];
+ h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1];
+
+ h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5];
+ h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
+ h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4];
+
+ if(FRAME_MBAFF){
+ // store all luma nnzs, for deblocking
+ int v = 0, i;
+ for(i=0; i<16; i++)
+ v += (!!h->non_zero_count_cache[scan8[i]]) << i;
+ *(uint16_t*)&h->non_zero_count[mb_xy][14] = v;
+ }
+}
+
+/**
+ * gets the predicted number of non zero coefficients.
+ * @param n block index
+ */
+static inline int pred_non_zero_count(H264Context *h, int n){
+ const int index8= scan8[n];
+ const int left= h->non_zero_count_cache[index8 - 1];
+ const int top = h->non_zero_count_cache[index8 - 8];
+ int i= left + top;
+
+ if(i<64) i= (i+1)>>1;
+
+ tprintf("pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
+
+ return i&31;
+}
+
+static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
+ const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
+
+ /* there is no consistent mapping of mvs to neighboring locations that will
+ * make mbaff happy, so we can't move all this logic to fill_caches */
+ if(FRAME_MBAFF){
+ MpegEncContext *s = &h->s;
+ const uint32_t *mb_types = s->current_picture_ptr->mb_type;
+ const int16_t *mv;
+ *(uint32_t*)h->mv_cache[list][scan8[0]-2] = 0;
+ *C = h->mv_cache[list][scan8[0]-2];
+
+ if(!MB_FIELD
+ && (s->mb_y&1) && i < scan8[0]+8 && topright_ref != PART_NOT_AVAILABLE){
+ int topright_xy = s->mb_x + (s->mb_y-1)*s->mb_stride + (i == scan8[0]+3);
+ if(IS_INTERLACED(mb_types[topright_xy])){
+#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
+ const int x4 = X4, y4 = Y4;\
+ const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
+ if(!USES_LIST(mb_type,list) && !IS_8X8(mb_type))\
+ return LIST_NOT_USED;\
+ mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
+ h->mv_cache[list][scan8[0]-2][0] = mv[0];\
+ h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
+ return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
+
+ SET_DIAG_MV(*2, >>1, s->mb_x*4+(i&7)-4+part_width, s->mb_y*4-1);
+ }
+ }
+ if(topright_ref == PART_NOT_AVAILABLE
+ && ((s->mb_y&1) || i >= scan8[0]+8) && (i&7)==4
+ && h->ref_cache[list][scan8[0]-1] != PART_NOT_AVAILABLE){
+ if(!MB_FIELD
+ && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
+ SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
+ }
+ if(MB_FIELD
+ && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])
+ && i >= scan8[0]+8){
+ // leftshift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's ok.
+ SET_DIAG_MV(>>1, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
+ }
+ }
+#undef SET_DIAG_MV
+ }
+
+ if(topright_ref != PART_NOT_AVAILABLE){
+ *C= h->mv_cache[list][ i - 8 + part_width ];
+ return topright_ref;
+ }else{
+ tprintf("topright MV not available\n");
+
+ *C= h->mv_cache[list][ i - 8 - 1 ];
+ return h->ref_cache[list][ i - 8 - 1 ];
+ }
+}
+
+/**
+ * gets the predicted MV.
+ * @param n the block index
+ * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
+ * @param mx the x component of the predicted motion vector
+ * @param my the y component of the predicted motion vector
+ */
+static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
+ const int index8= scan8[n];
+ const int top_ref= h->ref_cache[list][ index8 - 8 ];
+ const int left_ref= h->ref_cache[list][ index8 - 1 ];
+ const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
+ const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
+ const int16_t * C;
+ int diagonal_ref, match_count;
+
+ assert(part_width==1 || part_width==2 || part_width==4);
+
+/* mv_cache
+ B . . A T T T T
+ U . . L . . , .
+ U . . L . . . .
+ U . . L . . , .
+ . . . L . . . .
+*/
+
+ diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
+ match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
+ tprintf("pred_motion match_count=%d\n", match_count);
+ if(match_count > 1){ //most common
+ *mx= mid_pred(A[0], B[0], C[0]);
+ *my= mid_pred(A[1], B[1], C[1]);
+ }else if(match_count==1){
+ if(left_ref==ref){
+ *mx= A[0];
+ *my= A[1];
+ }else if(top_ref==ref){
+ *mx= B[0];
+ *my= B[1];
+ }else{
+ *mx= C[0];
+ *my= C[1];
+ }
+ }else{
+ if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
+ *mx= A[0];
+ *my= A[1];
+ }else{
+ *mx= mid_pred(A[0], B[0], C[0]);
+ *my= mid_pred(A[1], B[1], C[1]);
+ }
+ }
+
+ tprintf("pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
+}
+
+/**
+ * gets the directionally predicted 16x8 MV.
+ * @param n the block index
+ * @param mx the x component of the predicted motion vector
+ * @param my the y component of the predicted motion vector
+ */
+static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
+ if(n==0){
+ const int top_ref= h->ref_cache[list][ scan8[0] - 8 ];
+ const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
+
+ tprintf("pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], h->s.mb_x, h->s.mb_y, n, list);
+
+ if(top_ref == ref){
+ *mx= B[0];
+ *my= B[1];
+ return;
+ }
+ }else{
+ const int left_ref= h->ref_cache[list][ scan8[8] - 1 ];
+ const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ];
+
+ tprintf("pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
+
+ if(left_ref == ref){
+ *mx= A[0];
+ *my= A[1];
+ return;
+ }
+ }
+
+ //RARE
+ pred_motion(h, n, 4, list, ref, mx, my);
+}
+
+/**
+ * gets the directionally predicted 8x16 MV.
+ * @param n the block index
+ * @param mx the x component of the predicted motion vector
+ * @param my the y component of the predicted motion vector
+ */
+static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
+ if(n==0){
+ const int left_ref= h->ref_cache[list][ scan8[0] - 1 ];
+ const int16_t * const A= h->mv_cache[list][ scan8[0] - 1 ];
+
+ tprintf("pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
+
+ if(left_ref == ref){
+ *mx= A[0];
+ *my= A[1];
+ return;
+ }
+ }else{
+ const int16_t * C;
+ int diagonal_ref;
+
+ diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
+
+ tprintf("pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", diagonal_ref, C[0], C[1], h->s.mb_x, h->s.mb_y, n, list);
+
+ if(diagonal_ref == ref){
+ *mx= C[0];
+ *my= C[1];
+ return;
+ }
+ }
+
+ //RARE
+ pred_motion(h, n, 2, list, ref, mx, my);
+}
+
+static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
+ const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
+ const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
+
+ tprintf("pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
+
+ if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
+ || (top_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
+ || (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){
+
+ *mx = *my = 0;
+ return;
+ }
+
+ pred_motion(h, 0, 4, 0, 0, mx, my);
+
+ return;
+}
+
+static inline void direct_dist_scale_factor(H264Context * const h){
+ const int poc = h->s.current_picture_ptr->poc;
+ const int poc1 = h->ref_list[1][0].poc;
+ int i;
+ for(i=0; i<h->ref_count[0]; i++){
+ int poc0 = h->ref_list[0][i].poc;
+ int td = clip(poc1 - poc0, -128, 127);
+ if(td == 0 /* FIXME || pic0 is a long-term ref */){
+ h->dist_scale_factor[i] = 256;
+ }else{
+ int tb = clip(poc - poc0, -128, 127);
+ int tx = (16384 + (FFABS(td) >> 1)) / td;
+ h->dist_scale_factor[i] = clip((tb*tx + 32) >> 6, -1024, 1023);
+ }
+ }
+ if(FRAME_MBAFF){
+ for(i=0; i<h->ref_count[0]; i++){
+ h->dist_scale_factor_field[2*i] =
+ h->dist_scale_factor_field[2*i+1] = h->dist_scale_factor[i];
+ }
+ }
+}
+static inline void direct_ref_list_init(H264Context * const h){
+ MpegEncContext * const s = &h->s;
+ Picture * const ref1 = &h->ref_list[1][0];
+ Picture * const cur = s->current_picture_ptr;
+ int list, i, j;
+ if(cur->pict_type == I_TYPE)
+ cur->ref_count[0] = 0;
+ if(cur->pict_type != B_TYPE)
+ cur->ref_count[1] = 0;
+ for(list=0; list<2; list++){
+ cur->ref_count[list] = h->ref_count[list];
+ for(j=0; j<h->ref_count[list]; j++)
+ cur->ref_poc[list][j] = h->ref_list[list][j].poc;
+ }
+ if(cur->pict_type != B_TYPE || h->direct_spatial_mv_pred)
+ return;
+ for(list=0; list<2; list++){
+ for(i=0; i<ref1->ref_count[list]; i++){
+ const int poc = ref1->ref_poc[list][i];
+ h->map_col_to_list0[list][i] = 0; /* bogus; fills in for missing frames */
+ for(j=0; j<h->ref_count[list]; j++)
+ if(h->ref_list[list][j].poc == poc){
+ h->map_col_to_list0[list][i] = j;
+ break;
+ }
+ }
+ }
+ if(FRAME_MBAFF){
+ for(list=0; list<2; list++){
+ for(i=0; i<ref1->ref_count[list]; i++){
+ j = h->map_col_to_list0[list][i];
+ h->map_col_to_list0_field[list][2*i] = 2*j;
+ h->map_col_to_list0_field[list][2*i+1] = 2*j+1;
+ }
+ }
+ }
+}
+
+static inline void pred_direct_motion(H264Context * const h, int *mb_type){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
+ const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;
+ const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
+ const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];
+ const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];
+ const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy];
+ const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
+ const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
+ const int is_b8x8 = IS_8X8(*mb_type);
+ int sub_mb_type;
+ int i8, i4;
+
+#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
+ if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
+ /* FIXME save sub mb types from previous frames (or derive from MVs)
+ * so we know exactly what block size to use */
+ sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
+ *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
+ }else if(!is_b8x8 && (mb_type_col & MB_TYPE_16x16_OR_INTRA)){
+ sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
+ *mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
+ }else{
+ sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
+ *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
+ }
+ if(!is_b8x8)
+ *mb_type |= MB_TYPE_DIRECT2;
+ if(MB_FIELD)
+ *mb_type |= MB_TYPE_INTERLACED;
+
+ tprintf("mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
+
+ if(h->direct_spatial_mv_pred){
+ int ref[2];
+ int mv[2][2];
+ int list;
+
+ /* FIXME interlacing + spatial direct uses wrong colocated block positions */
+
+ /* ref = min(neighbors) */
+ for(list=0; list<2; list++){
+ int refa = h->ref_cache[list][scan8[0] - 1];
+ int refb = h->ref_cache[list][scan8[0] - 8];
+ int refc = h->ref_cache[list][scan8[0] - 8 + 4];
+ if(refc == -2)
+ refc = h->ref_cache[list][scan8[0] - 8 - 1];
+ ref[list] = refa;
+ if(ref[list] < 0 || (refb < ref[list] && refb >= 0))
+ ref[list] = refb;
+ if(ref[list] < 0 || (refc < ref[list] && refc >= 0))
+ ref[list] = refc;
+ if(ref[list] < 0)
+ ref[list] = -1;
+ }
+
+ if(ref[0] < 0 && ref[1] < 0){
+ ref[0] = ref[1] = 0;
+ mv[0][0] = mv[0][1] =
+ mv[1][0] = mv[1][1] = 0;
+ }else{
+ for(list=0; list<2; list++){
+ if(ref[list] >= 0)
+ pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
+ else
+ mv[list][0] = mv[list][1] = 0;
+ }
+ }
+
+ if(ref[1] < 0){
+ *mb_type &= ~MB_TYPE_P0L1;
+ sub_mb_type &= ~MB_TYPE_P0L1;
+ }else if(ref[0] < 0){
+ *mb_type &= ~MB_TYPE_P0L0;
+ sub_mb_type &= ~MB_TYPE_P0L0;
+ }
+
+ if(IS_16X16(*mb_type)){
+ fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
+ fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
+ if(!IS_INTRA(mb_type_col)
+ && ( (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1)
+ || (l1ref0[0] < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1
+ && (h->x264_build>33 || !h->x264_build)))){
+ if(ref[0] > 0)
+ fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
+ else
+ fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
+ if(ref[1] > 0)
+ fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
+ else
+ fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
+ }else{
+ fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
+ fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
+ }
+ }else{
+ for(i8=0; i8<4; i8++){
+ const int x8 = i8&1;
+ const int y8 = i8>>1;
+
+ if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
+ continue;
+ h->sub_mb_type[i8] = sub_mb_type;
+
+ fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
+ fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
+ fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
+ fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
+
+ /* col_zero_flag */
+ if(!IS_INTRA(mb_type_col) && ( l1ref0[x8 + y8*h->b8_stride] == 0
+ || (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
+ && (h->x264_build>33 || !h->x264_build)))){
+ const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;
+ if(IS_SUB_8X8(sub_mb_type)){
+ const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
+ if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
+ if(ref[0] == 0)
+ fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
+ if(ref[1] == 0)
+ fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
+ }
+ }else
+ for(i4=0; i4<4; i4++){
+ const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
+ if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
+ if(ref[0] == 0)
+ *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
+ if(ref[1] == 0)
+ *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
+ }
+ }
+ }
+ }
+ }
+ }else{ /* direct temporal mv pred */
+ const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
+ const int *dist_scale_factor = h->dist_scale_factor;
+
+ if(FRAME_MBAFF){
+ if(IS_INTERLACED(*mb_type)){
+ map_col_to_list0[0] = h->map_col_to_list0_field[0];
+ map_col_to_list0[1] = h->map_col_to_list0_field[1];
+ dist_scale_factor = h->dist_scale_factor_field;
+ }
+ if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){
+ /* FIXME assumes direct_8x8_inference == 1 */
+ const int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
+ int mb_types_col[2];
+ int y_shift;
+
+ *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1
+ | (is_b8x8 ? 0 : MB_TYPE_DIRECT2)
+ | (*mb_type & MB_TYPE_INTERLACED);
+ sub_mb_type = MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_16x16;
+
+ if(IS_INTERLACED(*mb_type)){
+ /* frame to field scaling */
+ mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy];
+ mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
+ if(s->mb_y&1){
+ l1ref0 -= 2*h->b8_stride;
+ l1ref1 -= 2*h->b8_stride;
+ l1mv0 -= 4*h->b_stride;
+ l1mv1 -= 4*h->b_stride;
+ }
+ y_shift = 0;
+
+ if( (mb_types_col[0] & MB_TYPE_16x16_OR_INTRA)
+ && (mb_types_col[1] & MB_TYPE_16x16_OR_INTRA)
+ && !is_b8x8)
+ *mb_type |= MB_TYPE_16x8;
+ else
+ *mb_type |= MB_TYPE_8x8;
+ }else{
+ /* field to frame scaling */
+ /* col_mb_y = (mb_y&~1) + (topAbsDiffPOC < bottomAbsDiffPOC ? 0 : 1)
+ * but in MBAFF, top and bottom POC are equal */
+ int dy = (s->mb_y&1) ? 1 : 2;
+ mb_types_col[0] =
+ mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
+ l1ref0 += dy*h->b8_stride;
+ l1ref1 += dy*h->b8_stride;
+ l1mv0 += 2*dy*h->b_stride;
+ l1mv1 += 2*dy*h->b_stride;
+ y_shift = 2;
+
+ if((mb_types_col[0] & (MB_TYPE_16x16_OR_INTRA|MB_TYPE_16x8))
+ && !is_b8x8)
+ *mb_type |= MB_TYPE_16x16;
+ else
+ *mb_type |= MB_TYPE_8x8;
+ }
+
+ for(i8=0; i8<4; i8++){
+ const int x8 = i8&1;
+ const int y8 = i8>>1;
+ int ref0, scale;
+ const int16_t (*l1mv)[2]= l1mv0;
+
+ if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
+ continue;
+ h->sub_mb_type[i8] = sub_mb_type;
+
+ fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
+ if(IS_INTRA(mb_types_col[y8])){
+ fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
+ fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
+ fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
+ continue;
+ }
+
+ ref0 = l1ref0[x8 + (y8*2>>y_shift)*h->b8_stride];
+ if(ref0 >= 0)
+ ref0 = map_col_to_list0[0][ref0*2>>y_shift];
+ else{
+ ref0 = map_col_to_list0[1][l1ref1[x8 + (y8*2>>y_shift)*h->b8_stride]*2>>y_shift];
+ l1mv= l1mv1;
+ }
+ scale = dist_scale_factor[ref0];
+ fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
+
+ {
+ const int16_t *mv_col = l1mv[x8*3 + (y8*6>>y_shift)*h->b_stride];
+ int my_col = (mv_col[1]<<y_shift)/2;
+ int mx = (scale * mv_col[0] + 128) >> 8;
+ int my = (scale * my_col + 128) >> 8;
+ fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
+ fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
+ }
+ }
+ return;
+ }
+ }
+
+ /* one-to-one mv scaling */
+
+ if(IS_16X16(*mb_type)){
+ fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
+ if(IS_INTRA(mb_type_col)){
+ fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
+ fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
+ fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
+ }else{
+ const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0]]
+ : map_col_to_list0[1][l1ref1[0]];
+ const int scale = dist_scale_factor[ref0];
+ const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
+ int mv_l0[2];
+ mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
+ mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
+ fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref0, 1);
+ fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0],mv_l0[1]), 4);
+ fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]), 4);
+ }
+ }else{
+ for(i8=0; i8<4; i8++){
+ const int x8 = i8&1;
+ const int y8 = i8>>1;
+ int ref0, scale;
+ const int16_t (*l1mv)[2]= l1mv0;
+
+ if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
+ continue;
+ h->sub_mb_type[i8] = sub_mb_type;
+ fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
+ if(IS_INTRA(mb_type_col)){
+ fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
+ fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
+ fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
+ continue;
+ }
+
+ ref0 = l1ref0[x8 + y8*h->b8_stride];
+ if(ref0 >= 0)
+ ref0 = map_col_to_list0[0][ref0];
+ else{
+ ref0 = map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
+ l1mv= l1mv1;
+ }
+ scale = dist_scale_factor[ref0];
+
+ fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
+ if(IS_SUB_8X8(sub_mb_type)){
+ const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
+ int mx = (scale * mv_col[0] + 128) >> 8;
+ int my = (scale * mv_col[1] + 128) >> 8;
+ fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
+ fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);
+ }else
+ for(i4=0; i4<4; i4++){
+ const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
+ int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
+ mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
+ mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
+ *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
+ pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
+ }
+ }
+ }
+ }
+}
+
+static inline void write_back_motion(H264Context *h, int mb_type){
+ MpegEncContext * const s = &h->s;
+ const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
+ const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
+ int list;
+
+ if(!USES_LIST(mb_type, 0))
+ fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1);
+
+ for(list=0; list<2; list++){
+ int y;
+ if(!USES_LIST(mb_type, list))
+ continue;
+
+ for(y=0; y<4; y++){
+ *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y];
+ *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y];
+ }
+ if( h->pps.cabac ) {
+ if(IS_SKIP(mb_type))
+ fill_rectangle(h->mvd_table[list][b_xy], 4, 4, h->b_stride, 0, 4);
+ else
+ for(y=0; y<4; y++){
+ *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y];
+ *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
+ }
+ }
+
+ {
+ int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
+ ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]];
+ ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]];
+ ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]];
+ ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]];
+ }
+ }
+
+ if(h->slice_type == B_TYPE && h->pps.cabac){
+ if(IS_8X8(mb_type)){
+ uint8_t *direct_table = &h->direct_table[b8_xy];
+ direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
+ direct_table[0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
+ direct_table[1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
+ }
+ }
+}
+
+/**
+ * Decodes a network abstraction layer unit.
+ * @param consumed is the number of bytes used as input
+ * @param length is the length of the array
+ * @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
+ * @returns decoded bytes, might be src+1 if no escapes
+ */
+static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){
+ int i, si, di;
+ uint8_t *dst;
+
+// src[0]&0x80; //forbidden bit
+ h->nal_ref_idc= src[0]>>5;
+ h->nal_unit_type= src[0]&0x1F;
+
+ src++; length--;
+#if 0
+ for(i=0; i<length; i++)
+ printf("%2X ", src[i]);
+#endif
+ for(i=0; i+1<length; i+=2){
+ if(src[i]) continue;
+ if(i>0 && src[i-1]==0) i--;
+ if(i+2<length && src[i+1]==0 && src[i+2]<=3){
+ if(src[i+2]!=3){
+ /* startcode, so we must be past the end */
+ length=i;
+ }
+ break;
+ }
+ }
+
+ if(i>=length-1){ //no escaped 0
+ *dst_length= length;
+ *consumed= length+1; //+1 for the header
+ return src;
+ }
+
+ h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
+ dst= h->rbsp_buffer;
+
+//printf("decoding esc\n");
+ si=di=0;
+ while(si<length){
+ //remove escapes (very rare 1:2^22)
+ if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
+ if(src[si+2]==3){ //escape
+ dst[di++]= 0;
+ dst[di++]= 0;
+ si+=3;
+ continue;
+ }else //next start code
+ break;
+ }
+
+ dst[di++]= src[si++];
+ }
+
+ *dst_length= di;
+ *consumed= si + 1;//+1 for the header
+//FIXME store exact number of bits in the getbitcontext (its needed for decoding)
+ return dst;
+}
+
+#if 0
+/**
+ * @param src the data which should be escaped
+ * @param dst the target buffer, dst+1 == src is allowed as a special case
+ * @param length the length of the src data
+ * @param dst_length the length of the dst array
+ * @returns length of escaped data in bytes or -1 if an error occured
+ */
+static int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){
+ int i, escape_count, si, di;
+ uint8_t *temp;
+
+ assert(length>=0);
+ assert(dst_length>0);
+
+ dst[0]= (h->nal_ref_idc<<5) + h->nal_unit_type;
+
+ if(length==0) return 1;
+
+ escape_count= 0;
+ for(i=0; i<length; i+=2){
+ if(src[i]) continue;
+ if(i>0 && src[i-1]==0)
+ i--;
+ if(i+2<length && src[i+1]==0 && src[i+2]<=3){
+ escape_count++;
+ i+=2;
+ }
+ }
+
+ if(escape_count==0){
+ if(dst+1 != src)
+ memcpy(dst+1, src, length);
+ return length + 1;
+ }
+
+ if(length + escape_count + 1> dst_length)
+ return -1;
+
+ //this should be damn rare (hopefully)
+
+ h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length + escape_count);
+ temp= h->rbsp_buffer;
+//printf("encoding esc\n");
+
+ si= 0;
+ di= 0;
+ while(si < length){
+ if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
+ temp[di++]= 0; si++;
+ temp[di++]= 0; si++;
+ temp[di++]= 3;
+ temp[di++]= src[si++];
+ }
+ else
+ temp[di++]= src[si++];
+ }
+ memcpy(dst+1, temp, length+escape_count);
+
+ assert(di == length+escape_count);
+
+ return di + 1;
+}
+
+/**
+ * write 1,10,100,1000,... for alignment, yes its exactly inverse to mpeg4
+ */
+static void encode_rbsp_trailing(PutBitContext *pb){
+ int length;
+ put_bits(pb, 1, 1);
+ length= (-put_bits_count(pb))&7;
+ if(length) put_bits(pb, length, 0);
+}
+#endif
+
+/**
+ * identifies the exact end of the bitstream
+ * @return the length of the trailing, or 0 if damaged
+ */
+static int decode_rbsp_trailing(uint8_t *src){
+ int v= *src;
+ int r;
+
+ tprintf("rbsp trailing %X\n", v);
+
+ for(r=1; r<9; r++){
+ if(v&1) return r;
+ v>>=1;
+ }
+ return 0;
+}
+
+/**
+ * idct tranforms the 16 dc values and dequantize them.
+ * @param qp quantization parameter
+ */
+static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
+#define stride 16
+ int i;
+ int temp[16]; //FIXME check if this is a good idea
+ static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
+ static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
+
+//memset(block, 64, 2*256);
+//return;
+ for(i=0; i<4; i++){
+ const int offset= y_offset[i];
+ const int z0= block[offset+stride*0] + block[offset+stride*4];
+ const int z1= block[offset+stride*0] - block[offset+stride*4];
+ const int z2= block[offset+stride*1] - block[offset+stride*5];
+ const int z3= block[offset+stride*1] + block[offset+stride*5];
+
+ temp[4*i+0]= z0+z3;
+ temp[4*i+1]= z1+z2;
+ temp[4*i+2]= z1-z2;
+ temp[4*i+3]= z0-z3;
+ }
+
+ for(i=0; i<4; i++){
+ const int offset= x_offset[i];
+ const int z0= temp[4*0+i] + temp[4*2+i];
+ const int z1= temp[4*0+i] - temp[4*2+i];
+ const int z2= temp[4*1+i] - temp[4*3+i];
+ const int z3= temp[4*1+i] + temp[4*3+i];
+
+ block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); //FIXME think about merging this into decode_resdual
+ block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8));
+ block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8));
+ block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8));
+ }
+}
+
+#if 0
+/**
+ * dct tranforms the 16 dc values.
+ * @param qp quantization parameter ??? FIXME
+ */
+static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
+// const int qmul= dequant_coeff[qp][0];
+ int i;
+ int temp[16]; //FIXME check if this is a good idea
+ static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
+ static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
+
+ for(i=0; i<4; i++){
+ const int offset= y_offset[i];
+ const int z0= block[offset+stride*0] + block[offset+stride*4];
+ const int z1= block[offset+stride*0] - block[offset+stride*4];
+ const int z2= block[offset+stride*1] - block[offset+stride*5];
+ const int z3= block[offset+stride*1] + block[offset+stride*5];
+
+ temp[4*i+0]= z0+z3;
+ temp[4*i+1]= z1+z2;
+ temp[4*i+2]= z1-z2;
+ temp[4*i+3]= z0-z3;
+ }
+
+ for(i=0; i<4; i++){
+ const int offset= x_offset[i];
+ const int z0= temp[4*0+i] + temp[4*2+i];
+ const int z1= temp[4*0+i] - temp[4*2+i];
+ const int z2= temp[4*1+i] - temp[4*3+i];
+ const int z3= temp[4*1+i] + temp[4*3+i];
+
+ block[stride*0 +offset]= (z0 + z3)>>1;
+ block[stride*2 +offset]= (z1 + z2)>>1;
+ block[stride*8 +offset]= (z1 - z2)>>1;
+ block[stride*10+offset]= (z0 - z3)>>1;
+ }
+}
+#endif
+
+#undef xStride
+#undef stride
+
+static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
+ const int stride= 16*2;
+ const int xStride= 16;
+ int a,b,c,d,e;
+
+ a= block[stride*0 + xStride*0];
+ b= block[stride*0 + xStride*1];
+ c= block[stride*1 + xStride*0];
+ d= block[stride*1 + xStride*1];
+
+ e= a-b;
+ a= a+b;
+ b= c-d;
+ c= c+d;
+
+ block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7;
+ block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7;
+ block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7;
+ block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7;
+}
+
+#if 0
+static void chroma_dc_dct_c(DCTELEM *block){
+ const int stride= 16*2;
+ const int xStride= 16;
+ int a,b,c,d,e;
+
+ a= block[stride*0 + xStride*0];
+ b= block[stride*0 + xStride*1];
+ c= block[stride*1 + xStride*0];
+ d= block[stride*1 + xStride*1];
+
+ e= a-b;
+ a= a+b;
+ b= c-d;
+ c= c+d;
+
+ block[stride*0 + xStride*0]= (a+c);
+ block[stride*0 + xStride*1]= (e+b);
+ block[stride*1 + xStride*0]= (a-c);
+ block[stride*1 + xStride*1]= (e-b);
+}
+#endif
+
+/**
+ * gets the chroma qp.
+ */
+static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
+
+ return chroma_qp[clip(qscale + chroma_qp_index_offset, 0, 51)];
+}
+
+
+#if 0
+static void h264_diff_dct_c(DCTELEM *block, uint8_t *src1, uint8_t *src2, int stride){
+ int i;
+ //FIXME try int temp instead of block
+
+ for(i=0; i<4; i++){
+ const int d0= src1[0 + i*stride] - src2[0 + i*stride];
+ const int d1= src1[1 + i*stride] - src2[1 + i*stride];
+ const int d2= src1[2 + i*stride] - src2[2 + i*stride];
+ const int d3= src1[3 + i*stride] - src2[3 + i*stride];
+ const int z0= d0 + d3;
+ const int z3= d0 - d3;
+ const int z1= d1 + d2;
+ const int z2= d1 - d2;
+
+ block[0 + 4*i]= z0 + z1;
+ block[1 + 4*i]= 2*z3 + z2;
+ block[2 + 4*i]= z0 - z1;
+ block[3 + 4*i]= z3 - 2*z2;
+ }
+
+ for(i=0; i<4; i++){
+ const int z0= block[0*4 + i] + block[3*4 + i];
+ const int z3= block[0*4 + i] - block[3*4 + i];
+ const int z1= block[1*4 + i] + block[2*4 + i];
+ const int z2= block[1*4 + i] - block[2*4 + i];
+
+ block[0*4 + i]= z0 + z1;
+ block[1*4 + i]= 2*z3 + z2;
+ block[2*4 + i]= z0 - z1;
+ block[3*4 + i]= z3 - 2*z2;
+ }
+}
+#endif
+
+//FIXME need to check that this doesnt overflow signed 32 bit for low qp, i am not sure, it's very close
+//FIXME check that gcc inlines this (and optimizes intra & seperate_dc stuff away)
+static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int seperate_dc){
+ int i;
+ const int * const quant_table= quant_coeff[qscale];
+ const int bias= intra ? (1<<QUANT_SHIFT)/3 : (1<<QUANT_SHIFT)/6;
+ const unsigned int threshold1= (1<<QUANT_SHIFT) - bias - 1;
+ const unsigned int threshold2= (threshold1<<1);
+ int last_non_zero;
+
+ if(seperate_dc){
+ if(qscale<=18){
+ //avoid overflows
+ const int dc_bias= intra ? (1<<(QUANT_SHIFT-2))/3 : (1<<(QUANT_SHIFT-2))/6;
+ const unsigned int dc_threshold1= (1<<(QUANT_SHIFT-2)) - dc_bias - 1;
+ const unsigned int dc_threshold2= (dc_threshold1<<1);
+
+ int level= block[0]*quant_coeff[qscale+18][0];
+ if(((unsigned)(level+dc_threshold1))>dc_threshold2){
+ if(level>0){
+ level= (dc_bias + level)>>(QUANT_SHIFT-2);
+ block[0]= level;
+ }else{
+ level= (dc_bias - level)>>(QUANT_SHIFT-2);
+ block[0]= -level;
+ }
+// last_non_zero = i;
+ }else{
+ block[0]=0;
+ }
+ }else{
+ const int dc_bias= intra ? (1<<(QUANT_SHIFT+1))/3 : (1<<(QUANT_SHIFT+1))/6;
+ const unsigned int dc_threshold1= (1<<(QUANT_SHIFT+1)) - dc_bias - 1;
+ const unsigned int dc_threshold2= (dc_threshold1<<1);
+
+ int level= block[0]*quant_table[0];
+ if(((unsigned)(level+dc_threshold1))>dc_threshold2){
+ if(level>0){
+ level= (dc_bias + level)>>(QUANT_SHIFT+1);
+ block[0]= level;
+ }else{
+ level= (dc_bias - level)>>(QUANT_SHIFT+1);
+ block[0]= -level;
+ }
+// last_non_zero = i;
+ }else{
+ block[0]=0;
+ }
+ }
+ last_non_zero= 0;
+ i=1;
+ }else{
+ last_non_zero= -1;
+ i=0;
+ }
+
+ for(; i<16; i++){
+ const int j= scantable[i];
+ int level= block[j]*quant_table[j];
+
+// if( bias+level >= (1<<(QMAT_SHIFT - 3))
+// || bias-level >= (1<<(QMAT_SHIFT - 3))){
+ if(((unsigned)(level+threshold1))>threshold2){
+ if(level>0){
+ level= (bias + level)>>QUANT_SHIFT;
+ block[j]= level;
+ }else{
+ level= (bias - level)>>QUANT_SHIFT;
+ block[j]= -level;
+ }
+ last_non_zero = i;
+ }else{
+ block[j]=0;
+ }
+ }
+
+ return last_non_zero;
+}
+
+static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){
+ const uint32_t a= ((uint32_t*)(src-stride))[0];
+ ((uint32_t*)(src+0*stride))[0]= a;
+ ((uint32_t*)(src+1*stride))[0]= a;
+ ((uint32_t*)(src+2*stride))[0]= a;
+ ((uint32_t*)(src+3*stride))[0]= a;
+}
+
+static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){
+ ((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
+ ((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
+ ((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
+ ((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
+}
+
+static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
+ const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
+ + src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
+
+ ((uint32_t*)(src+0*stride))[0]=
+ ((uint32_t*)(src+1*stride))[0]=
+ ((uint32_t*)(src+2*stride))[0]=
+ ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
+}
+
+static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
+ const int dc= ( src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
+
+ ((uint32_t*)(src+0*stride))[0]=
+ ((uint32_t*)(src+1*stride))[0]=
+ ((uint32_t*)(src+2*stride))[0]=
+ ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
+}
+
+static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
+ const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
+
+ ((uint32_t*)(src+0*stride))[0]=
+ ((uint32_t*)(src+1*stride))[0]=
+ ((uint32_t*)(src+2*stride))[0]=
+ ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
+}
+
+static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
+ ((uint32_t*)(src+0*stride))[0]=
+ ((uint32_t*)(src+1*stride))[0]=
+ ((uint32_t*)(src+2*stride))[0]=
+ ((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
+}
+
+
+#define LOAD_TOP_RIGHT_EDGE\
+ const int t4= topright[0];\
+ const int t5= topright[1];\
+ const int t6= topright[2];\
+ const int t7= topright[3];\
+
+#define LOAD_LEFT_EDGE\
+ const int l0= src[-1+0*stride];\
+ const int l1= src[-1+1*stride];\
+ const int l2= src[-1+2*stride];\
+ const int l3= src[-1+3*stride];\
+
+#define LOAD_TOP_EDGE\
+ const int t0= src[ 0-1*stride];\
+ const int t1= src[ 1-1*stride];\
+ const int t2= src[ 2-1*stride];\
+ const int t3= src[ 3-1*stride];\
+
+static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){
+ const int lt= src[-1-1*stride];
+ LOAD_TOP_EDGE
+ LOAD_LEFT_EDGE
+
+ src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
+ src[0+2*stride]=
+ src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
+ src[0+1*stride]=
+ src[1+2*stride]=
+ src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
+ src[0+0*stride]=
+ src[1+1*stride]=
+ src[2+2*stride]=
+ src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
+ src[1+0*stride]=
+ src[2+1*stride]=
+ src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
+ src[2+0*stride]=
+ src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
+ src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
+}
+
+static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
+ LOAD_TOP_EDGE
+ LOAD_TOP_RIGHT_EDGE
+// LOAD_LEFT_EDGE
+
+ src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
+ src[1+0*stride]=
+ src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
+ src[2+0*stride]=
+ src[1+1*stride]=
+ src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
+ src[3+0*stride]=
+ src[2+1*stride]=
+ src[1+2*stride]=
+ src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
+ src[3+1*stride]=
+ src[2+2*stride]=
+ src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
+ src[3+2*stride]=
+ src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
+ src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
+}
+
+static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
+ const int lt= src[-1-1*stride];
+ LOAD_TOP_EDGE
+ LOAD_LEFT_EDGE
+ const __attribute__((unused)) int unu= l3;
+
+ src[0+0*stride]=
+ src[1+2*stride]=(lt + t0 + 1)>>1;
+ src[1+0*stride]=
+ src[2+2*stride]=(t0 + t1 + 1)>>1;
+ src[2+0*stride]=
+ src[3+2*stride]=(t1 + t2 + 1)>>1;
+ src[3+0*stride]=(t2 + t3 + 1)>>1;
+ src[0+1*stride]=
+ src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
+ src[1+1*stride]=
+ src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2;
+ src[2+1*stride]=
+ src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2;
+ src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2;
+ src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
+ src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
+}
+
+static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
+ LOAD_TOP_EDGE
+ LOAD_TOP_RIGHT_EDGE
+ const __attribute__((unused)) int unu= t7;
+
+ src[0+0*stride]=(t0 + t1 + 1)>>1;
+ src[1+0*stride]=
+ src[0+2*stride]=(t1 + t2 + 1)>>1;
+ src[2+0*stride]=
+ src[1+2*stride]=(t2 + t3 + 1)>>1;
+ src[3+0*stride]=
+ src[2+2*stride]=(t3 + t4+ 1)>>1;
+ src[3+2*stride]=(t4 + t5+ 1)>>1;
+ src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
+ src[1+1*stride]=
+ src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
+ src[2+1*stride]=
+ src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
+ src[3+1*stride]=
+ src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
+ src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
+}
+
+static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
+ LOAD_LEFT_EDGE
+
+ src[0+0*stride]=(l0 + l1 + 1)>>1;
+ src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
+ src[2+0*stride]=
+ src[0+1*stride]=(l1 + l2 + 1)>>1;
+ src[3+0*stride]=
+ src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
+ src[2+1*stride]=
+ src[0+2*stride]=(l2 + l3 + 1)>>1;
+ src[3+1*stride]=
+ src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
+ src[3+2*stride]=
+ src[1+3*stride]=
+ src[0+3*stride]=
+ src[2+2*stride]=
+ src[2+3*stride]=
+ src[3+3*stride]=l3;
+}
+
+static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
+ const int lt= src[-1-1*stride];
+ LOAD_TOP_EDGE
+ LOAD_LEFT_EDGE
+ const __attribute__((unused)) int unu= t3;
+
+ src[0+0*stride]=
+ src[2+1*stride]=(lt + l0 + 1)>>1;
+ src[1+0*stride]=
+ src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;
+ src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;
+ src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
+ src[0+1*stride]=
+ src[2+2*stride]=(l0 + l1 + 1)>>1;
+ src[1+1*stride]=
+ src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
+ src[0+2*stride]=
+ src[2+3*stride]=(l1 + l2+ 1)>>1;
+ src[1+2*stride]=
+ src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
+ src[0+3*stride]=(l2 + l3 + 1)>>1;
+ src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
+}
+
+static void pred16x16_vertical_c(uint8_t *src, int stride){
+ int i;
+ const uint32_t a= ((uint32_t*)(src-stride))[0];
+ const uint32_t b= ((uint32_t*)(src-stride))[1];
+ const uint32_t c= ((uint32_t*)(src-stride))[2];
+ const uint32_t d= ((uint32_t*)(src-stride))[3];
+
+ for(i=0; i<16; i++){
+ ((uint32_t*)(src+i*stride))[0]= a;
+ ((uint32_t*)(src+i*stride))[1]= b;
+ ((uint32_t*)(src+i*stride))[2]= c;
+ ((uint32_t*)(src+i*stride))[3]= d;
+ }
+}
+
+static void pred16x16_horizontal_c(uint8_t *src, int stride){
+ int i;
+
+ for(i=0; i<16; i++){
+ ((uint32_t*)(src+i*stride))[0]=
+ ((uint32_t*)(src+i*stride))[1]=
+ ((uint32_t*)(src+i*stride))[2]=
+ ((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101;
+ }
+}
+
+static void pred16x16_dc_c(uint8_t *src, int stride){
+ int i, dc=0;
+
+ for(i=0;i<16; i++){
+ dc+= src[-1+i*stride];
+ }
+
+ for(i=0;i<16; i++){
+ dc+= src[i-stride];
+ }
+
+ dc= 0x01010101*((dc + 16)>>5);
+
+ for(i=0; i<16; i++){
+ ((uint32_t*)(src+i*stride))[0]=
+ ((uint32_t*)(src+i*stride))[1]=
+ ((uint32_t*)(src+i*stride))[2]=
+ ((uint32_t*)(src+i*stride))[3]= dc;
+ }
+}
+
+static void pred16x16_left_dc_c(uint8_t *src, int stride){
+ int i, dc=0;
+
+ for(i=0;i<16; i++){
+ dc+= src[-1+i*stride];
+ }
+
+ dc= 0x01010101*((dc + 8)>>4);
+
+ for(i=0; i<16; i++){
+ ((uint32_t*)(src+i*stride))[0]=
+ ((uint32_t*)(src+i*stride))[1]=
+ ((uint32_t*)(src+i*stride))[2]=
+ ((uint32_t*)(src+i*stride))[3]= dc;
+ }
+}
+
+static void pred16x16_top_dc_c(uint8_t *src, int stride){
+ int i, dc=0;
+
+ for(i=0;i<16; i++){
+ dc+= src[i-stride];
+ }
+ dc= 0x01010101*((dc + 8)>>4);
+
+ for(i=0; i<16; i++){
+ ((uint32_t*)(src+i*stride))[0]=
+ ((uint32_t*)(src+i*stride))[1]=
+ ((uint32_t*)(src+i*stride))[2]=
+ ((uint32_t*)(src+i*stride))[3]= dc;
+ }
+}
+
+static void pred16x16_128_dc_c(uint8_t *src, int stride){
+ int i;
+
+ for(i=0; i<16; i++){
+ ((uint32_t*)(src+i*stride))[0]=
+ ((uint32_t*)(src+i*stride))[1]=
+ ((uint32_t*)(src+i*stride))[2]=
+ ((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U;
+ }
+}
+
+static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3){
+ int i, j, k;
+ int a;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
+ const uint8_t * const src0 = src+7-stride;
+ const uint8_t *src1 = src+8*stride-1;
+ const uint8_t *src2 = src1-2*stride; // == src+6*stride-1;
+ int H = src0[1] - src0[-1];
+ int V = src1[0] - src2[ 0];
+ for(k=2; k<=8; ++k) {
+ src1 += stride; src2 -= stride;
+ H += k*(src0[k] - src0[-k]);
+ V += k*(src1[0] - src2[ 0]);
+ }
+ if(svq3){
+ H = ( 5*(H/4) ) / 16;
+ V = ( 5*(V/4) ) / 16;
+
+ /* required for 100% accuracy */
+ i = H; H = V; V = i;
+ }else{
+ H = ( 5*H+32 ) >> 6;
+ V = ( 5*V+32 ) >> 6;
+ }
+
+ a = 16*(src1[0] + src2[16] + 1) - 7*(V+H);
+ for(j=16; j>0; --j) {
+ int b = a;
+ a += V;
+ for(i=-16; i<0; i+=4) {
+ src[16+i] = cm[ (b ) >> 5 ];
+ src[17+i] = cm[ (b+ H) >> 5 ];
+ src[18+i] = cm[ (b+2*H) >> 5 ];
+ src[19+i] = cm[ (b+3*H) >> 5 ];
+ b += 4*H;
+ }
+ src += stride;
+ }
+}
+
+static void pred16x16_plane_c(uint8_t *src, int stride){
+ pred16x16_plane_compat_c(src, stride, 0);
+}
+
+static void pred8x8_vertical_c(uint8_t *src, int stride){
+ int i;
+ const uint32_t a= ((uint32_t*)(src-stride))[0];
+ const uint32_t b= ((uint32_t*)(src-stride))[1];
+
+ for(i=0; i<8; i++){
+ ((uint32_t*)(src+i*stride))[0]= a;
+ ((uint32_t*)(src+i*stride))[1]= b;
+ }
+}
+
+static void pred8x8_horizontal_c(uint8_t *src, int stride){
+ int i;
+
+ for(i=0; i<8; i++){
+ ((uint32_t*)(src+i*stride))[0]=
+ ((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101;
+ }
+}
+
+static void pred8x8_128_dc_c(uint8_t *src, int stride){
+ int i;
+
+ for(i=0; i<8; i++){
+ ((uint32_t*)(src+i*stride))[0]=
+ ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
+ }
+}
+
+static void pred8x8_left_dc_c(uint8_t *src, int stride){
+ int i;
+ int dc0, dc2;
+
+ dc0=dc2=0;
+ for(i=0;i<4; i++){
+ dc0+= src[-1+i*stride];
+ dc2+= src[-1+(i+4)*stride];
+ }
+ dc0= 0x01010101*((dc0 + 2)>>2);
+ dc2= 0x01010101*((dc2 + 2)>>2);
+
+ for(i=0; i<4; i++){
+ ((uint32_t*)(src+i*stride))[0]=
+ ((uint32_t*)(src+i*stride))[1]= dc0;
+ }
+ for(i=4; i<8; i++){
+ ((uint32_t*)(src+i*stride))[0]=
+ ((uint32_t*)(src+i*stride))[1]= dc2;
+ }
+}
+
+static void pred8x8_top_dc_c(uint8_t *src, int stride){
+ int i;
+ int dc0, dc1;
+
+ dc0=dc1=0;
+ for(i=0;i<4; i++){
+ dc0+= src[i-stride];
+ dc1+= src[4+i-stride];
+ }
+ dc0= 0x01010101*((dc0 + 2)>>2);
+ dc1= 0x01010101*((dc1 + 2)>>2);
+
+ for(i=0; i<4; i++){
+ ((uint32_t*)(src+i*stride))[0]= dc0;
+ ((uint32_t*)(src+i*stride))[1]= dc1;
+ }
+ for(i=4; i<8; i++){
+ ((uint32_t*)(src+i*stride))[0]= dc0;
+ ((uint32_t*)(src+i*stride))[1]= dc1;
+ }
+}
+
+
+static void pred8x8_dc_c(uint8_t *src, int stride){
+ int i;
+ int dc0, dc1, dc2, dc3;
+
+ dc0=dc1=dc2=0;
+ for(i=0;i<4; i++){
+ dc0+= src[-1+i*stride] + src[i-stride];
+ dc1+= src[4+i-stride];
+ dc2+= src[-1+(i+4)*stride];
+ }
+ dc3= 0x01010101*((dc1 + dc2 + 4)>>3);
+ dc0= 0x01010101*((dc0 + 4)>>3);
+ dc1= 0x01010101*((dc1 + 2)>>2);
+ dc2= 0x01010101*((dc2 + 2)>>2);
+
+ for(i=0; i<4; i++){
+ ((uint32_t*)(src+i*stride))[0]= dc0;
+ ((uint32_t*)(src+i*stride))[1]= dc1;
+ }
+ for(i=4; i<8; i++){
+ ((uint32_t*)(src+i*stride))[0]= dc2;
+ ((uint32_t*)(src+i*stride))[1]= dc3;
+ }
+}
+
+static void pred8x8_plane_c(uint8_t *src, int stride){
+ int j, k;
+ int a;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
+ const uint8_t * const src0 = src+3-stride;
+ const uint8_t *src1 = src+4*stride-1;
+ const uint8_t *src2 = src1-2*stride; // == src+2*stride-1;
+ int H = src0[1] - src0[-1];
+ int V = src1[0] - src2[ 0];
+ for(k=2; k<=4; ++k) {
+ src1 += stride; src2 -= stride;
+ H += k*(src0[k] - src0[-k]);
+ V += k*(src1[0] - src2[ 0]);
+ }
+ H = ( 17*H+16 ) >> 5;
+ V = ( 17*V+16 ) >> 5;
+
+ a = 16*(src1[0] + src2[8]+1) - 3*(V+H);
+ for(j=8; j>0; --j) {
+ int b = a;
+ a += V;
+ src[0] = cm[ (b ) >> 5 ];
+ src[1] = cm[ (b+ H) >> 5 ];
+ src[2] = cm[ (b+2*H) >> 5 ];
+ src[3] = cm[ (b+3*H) >> 5 ];
+ src[4] = cm[ (b+4*H) >> 5 ];
+ src[5] = cm[ (b+5*H) >> 5 ];
+ src[6] = cm[ (b+6*H) >> 5 ];
+ src[7] = cm[ (b+7*H) >> 5 ];
+ src += stride;
+ }
+}
+
+#define SRC(x,y) src[(x)+(y)*stride]
+#define PL(y) \
+ const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2;
+#define PREDICT_8x8_LOAD_LEFT \
+ const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \
+ + 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \
+ PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \
+ const int l7 attribute_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
+
+#define PT(x) \
+ const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
+#define PREDICT_8x8_LOAD_TOP \
+ const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \
+ + 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \
+ PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \
+ const int t7 attribute_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
+ + 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2
+
+#define PTR(x) \
+ t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
+#define PREDICT_8x8_LOAD_TOPRIGHT \
+ int t8, t9, t10, t11, t12, t13, t14, t15; \
+ if(has_topright) { \
+ PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \
+ t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \
+ } else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1);
+
+#define PREDICT_8x8_LOAD_TOPLEFT \
+ const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2
+
+#define PREDICT_8x8_DC(v) \
+ int y; \
+ for( y = 0; y < 8; y++ ) { \
+ ((uint32_t*)src)[0] = \
+ ((uint32_t*)src)[1] = v; \
+ src += stride; \
+ }
+
+static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_DC(0x80808080);
+}
+static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_LOAD_LEFT;
+ const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
+ PREDICT_8x8_DC(dc);
+}
+static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_LOAD_TOP;
+ const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
+ PREDICT_8x8_DC(dc);
+}
+static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_LOAD_LEFT;
+ PREDICT_8x8_LOAD_TOP;
+ const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
+ +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
+ PREDICT_8x8_DC(dc);
+}
+static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_LOAD_LEFT;
+#define ROW(y) ((uint32_t*)(src+y*stride))[0] =\
+ ((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y
+ ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
+#undef ROW
+}
+static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ int y;
+ PREDICT_8x8_LOAD_TOP;
+ src[0] = t0;
+ src[1] = t1;
+ src[2] = t2;
+ src[3] = t3;
+ src[4] = t4;
+ src[5] = t5;
+ src[6] = t6;
+ src[7] = t7;
+ for( y = 1; y < 8; y++ )
+ *(uint64_t*)(src+y*stride) = *(uint64_t*)src;
+}
+static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_LOAD_TOP;
+ PREDICT_8x8_LOAD_TOPRIGHT;
+ SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2;
+ SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2;
+ SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2;
+ SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2;
+ SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2;
+ SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2;
+ SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2;
+ SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2;
+ SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2;
+ SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2;
+ SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2;
+ SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2;
+ SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2;
+ SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2;
+ SRC(7,7)= (t14 + 3*t15 + 2) >> 2;
+}
+static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_LOAD_TOP;
+ PREDICT_8x8_LOAD_LEFT;
+ PREDICT_8x8_LOAD_TOPLEFT;
+ SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
+ SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
+ SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
+ SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2;
+ SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2;
+ SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2;
+ SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2;
+ SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2;
+ SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2;
+ SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2;
+ SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2;
+ SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2;
+ SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
+ SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
+ SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
+
+}
+static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_LOAD_TOP;
+ PREDICT_8x8_LOAD_LEFT;
+ PREDICT_8x8_LOAD_TOPLEFT;
+ SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2;
+ SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2;
+ SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2;
+ SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2;
+ SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2;
+ SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2;
+ SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2;
+ SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1;
+ SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2;
+ SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1;
+ SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2;
+ SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1;
+ SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2;
+ SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1;
+ SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2;
+ SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1;
+ SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2;
+ SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1;
+ SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2;
+ SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1;
+ SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2;
+ SRC(7,0)= (t6 + t7 + 1) >> 1;
+}
+static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_LOAD_TOP;
+ PREDICT_8x8_LOAD_LEFT;
+ PREDICT_8x8_LOAD_TOPLEFT;
+ SRC(0,7)= (l6 + l7 + 1) >> 1;
+ SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2;
+ SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1;
+ SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2;
+ SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1;
+ SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2;
+ SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1;
+ SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2;
+ SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1;
+ SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2;
+ SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1;
+ SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2;
+ SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1;
+ SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2;
+ SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1;
+ SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2;
+ SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2;
+ SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2;
+ SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2;
+ SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2;
+ SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2;
+ SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2;
+}
+static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_LOAD_TOP;
+ PREDICT_8x8_LOAD_TOPRIGHT;
+ SRC(0,0)= (t0 + t1 + 1) >> 1;
+ SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2;
+ SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1;
+ SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2;
+ SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1;
+ SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2;
+ SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1;
+ SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2;
+ SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1;
+ SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2;
+ SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1;
+ SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2;
+ SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1;
+ SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2;
+ SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1;
+ SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2;
+ SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1;
+ SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2;
+ SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1;
+ SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2;
+ SRC(7,6)= (t10 + t11 + 1) >> 1;
+ SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2;
+}
+static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride)
+{
+ PREDICT_8x8_LOAD_LEFT;
+ SRC(0,0)= (l0 + l1 + 1) >> 1;
+ SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2;
+ SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1;
+ SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2;
+ SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1;
+ SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2;
+ SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1;
+ SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2;
+ SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1;
+ SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2;
+ SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1;
+ SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2;
+ SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1;
+ SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2;
+ SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)=
+ SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)=
+ SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)=
+ SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7;
+}
+#undef PREDICT_8x8_LOAD_LEFT
+#undef PREDICT_8x8_LOAD_TOP
+#undef PREDICT_8x8_LOAD_TOPLEFT
+#undef PREDICT_8x8_LOAD_TOPRIGHT
+#undef PREDICT_8x8_DC
+#undef PTR
+#undef PT
+#undef PL
+#undef SRC
+
+static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
+ uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+ int src_x_offset, int src_y_offset,
+ qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
+ MpegEncContext * const s = &h->s;
+ const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
+ int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
+ const int luma_xy= (mx&3) + ((my&3)<<2);
+ uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*h->mb_linesize;
+ uint8_t * src_cb, * src_cr;
+ int extra_width= h->emu_edge_width;
+ int extra_height= h->emu_edge_height;
+ int emu=0;
+ const int full_mx= mx>>2;
+ const int full_my= my>>2;
+ const int pic_width = 16*s->mb_width;
+ const int pic_height = 16*s->mb_height >> MB_MBAFF;
+
+ if(!pic->data[0])
+ return;
+
+ if(mx&7) extra_width -= 3;
+ if(my&7) extra_height -= 3;
+
+ if( full_mx < 0-extra_width
+ || full_my < 0-extra_height
+ || full_mx + 16/*FIXME*/ > pic_width + extra_width
+ || full_my + 16/*FIXME*/ > pic_height + extra_height){
+ ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
+ src_y= s->edge_emu_buffer + 2 + 2*h->mb_linesize;
+ emu=1;
+ }
+
+ qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
+ if(!square){
+ qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
+ }
+
+ if(s->flags&CODEC_FLAG_GRAY) return;
+
+ if(MB_MBAFF){
+ // chroma offset when predicting from a field of opposite parity
+ my += 2 * ((s->mb_y & 1) - (h->ref_cache[list][scan8[n]] & 1));
+ emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
+ }
+ src_cb= pic->data[1] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
+ src_cr= pic->data[2] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
+
+ if(emu){
+ ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
+ src_cb= s->edge_emu_buffer;
+ }
+ chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
+
+ if(emu){
+ ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
+ src_cr= s->edge_emu_buffer;
+ }
+ chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
+}
+
+static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
+ uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+ int x_offset, int y_offset,
+ qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
+ qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
+ int list0, int list1){
+ MpegEncContext * const s = &h->s;
+ qpel_mc_func *qpix_op= qpix_put;
+ h264_chroma_mc_func chroma_op= chroma_put;
+
+ dest_y += 2*x_offset + 2*y_offset*h-> mb_linesize;
+ dest_cb += x_offset + y_offset*h->mb_uvlinesize;
+ dest_cr += x_offset + y_offset*h->mb_uvlinesize;
+ x_offset += 8*s->mb_x;
+ y_offset += 8*(s->mb_y >> MB_MBAFF);
+
+ if(list0){
+ Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
+ mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
+ dest_y, dest_cb, dest_cr, x_offset, y_offset,
+ qpix_op, chroma_op);
+
+ qpix_op= qpix_avg;
+ chroma_op= chroma_avg;
+ }
+
+ if(list1){
+ Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
+ mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
+ dest_y, dest_cb, dest_cr, x_offset, y_offset,
+ qpix_op, chroma_op);
+ }
+}
+
+static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
+ uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+ int x_offset, int y_offset,
+ qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
+ h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
+ h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
+ int list0, int list1){
+ MpegEncContext * const s = &h->s;
+
+ dest_y += 2*x_offset + 2*y_offset*h-> mb_linesize;
+ dest_cb += x_offset + y_offset*h->mb_uvlinesize;
+ dest_cr += x_offset + y_offset*h->mb_uvlinesize;
+ x_offset += 8*s->mb_x;
+ y_offset += 8*(s->mb_y >> MB_MBAFF);
+
+ if(list0 && list1){
+ /* don't optimize for luma-only case, since B-frames usually
+ * use implicit weights => chroma too. */
+ uint8_t *tmp_cb = s->obmc_scratchpad;
+ uint8_t *tmp_cr = s->obmc_scratchpad + 8;
+ uint8_t *tmp_y = s->obmc_scratchpad + 8*h->mb_uvlinesize;
+ int refn0 = h->ref_cache[0][ scan8[n] ];
+ int refn1 = h->ref_cache[1][ scan8[n] ];
+
+ mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
+ dest_y, dest_cb, dest_cr,
+ x_offset, y_offset, qpix_put, chroma_put);
+ mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
+ tmp_y, tmp_cb, tmp_cr,
+ x_offset, y_offset, qpix_put, chroma_put);
+
+ if(h->use_weight == 2){
+ int weight0 = h->implicit_weight[refn0][refn1];
+ int weight1 = 64 - weight0;
+ luma_weight_avg( dest_y, tmp_y, h-> mb_linesize, 5, weight0, weight1, 0);
+ chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0);
+ chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0);
+ }else{
+ luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom,
+ h->luma_weight[0][refn0], h->luma_weight[1][refn1],
+ h->luma_offset[0][refn0] + h->luma_offset[1][refn1]);
+ chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
+ h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
+ h->chroma_offset[0][refn0][0] + h->chroma_offset[1][refn1][0]);
+ chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
+ h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
+ h->chroma_offset[0][refn0][1] + h->chroma_offset[1][refn1][1]);
+ }
+ }else{
+ int list = list1 ? 1 : 0;
+ int refn = h->ref_cache[list][ scan8[n] ];
+ Picture *ref= &h->ref_list[list][refn];
+ mc_dir_part(h, ref, n, square, chroma_height, delta, list,
+ dest_y, dest_cb, dest_cr, x_offset, y_offset,
+ qpix_put, chroma_put);
+
+ luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
+ h->luma_weight[list][refn], h->luma_offset[list][refn]);
+ if(h->use_weight_chroma){
+ chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
+ h->chroma_weight[list][refn][0], h->chroma_offset[list][refn][0]);
+ chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
+ h->chroma_weight[list][refn][1], h->chroma_offset[list][refn][1]);
+ }
+ }
+}
+
+static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
+ uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+ int x_offset, int y_offset,
+ qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
+ qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
+ h264_weight_func *weight_op, h264_biweight_func *weight_avg,
+ int list0, int list1){
+ if((h->use_weight==2 && list0 && list1
+ && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32))
+ || h->use_weight==1)
+ mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
+ x_offset, y_offset, qpix_put, chroma_put,
+ weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1);
+ else
+ mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
+ x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
+}
+
+static inline void prefetch_motion(H264Context *h, int list){
+ /* fetch pixels for estimated mv 4 macroblocks ahead
+ * optimized for 64byte cache lines */
+ MpegEncContext * const s = &h->s;
+ const int refn = h->ref_cache[list][scan8[0]];
+ if(refn >= 0){
+ const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
+ const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
+ uint8_t **src= h->ref_list[list][refn].data;
+ int off= mx + (my + (s->mb_x&3)*4)*h->mb_linesize + 64;
+ s->dsp.prefetch(src[0]+off, s->linesize, 4);
+ off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64;
+ s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
+ }
+}
+
+static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+ qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
+ qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
+ h264_weight_func *weight_op, h264_biweight_func *weight_avg){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
+ const int mb_type= s->current_picture.mb_type[mb_xy];
+
+ assert(IS_INTER(mb_type));
+
+ prefetch_motion(h, 0);
+
+ if(IS_16X16(mb_type)){
+ mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
+ qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
+ &weight_op[0], &weight_avg[0],
+ IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
+ }else if(IS_16X8(mb_type)){
+ mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0,
+ qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
+ &weight_op[1], &weight_avg[1],
+ IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
+ mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4,
+ qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
+ &weight_op[1], &weight_avg[1],
+ IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
+ }else if(IS_8X16(mb_type)){
+ mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
+ qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
+ &weight_op[2], &weight_avg[2],
+ IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
+ mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
+ qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
+ &weight_op[2], &weight_avg[2],
+ IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
+ }else{
+ int i;
+
+ assert(IS_8X8(mb_type));
+
+ for(i=0; i<4; i++){
+ const int sub_mb_type= h->sub_mb_type[i];
+ const int n= 4*i;
+ int x_offset= (i&1)<<2;
+ int y_offset= (i&2)<<1;
+
+ if(IS_SUB_8X8(sub_mb_type)){
+ mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
+ qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
+ &weight_op[3], &weight_avg[3],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ }else if(IS_SUB_8X4(sub_mb_type)){
+ mc_part(h, n , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset,
+ qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
+ &weight_op[4], &weight_avg[4],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
+ qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
+ &weight_op[4], &weight_avg[4],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ }else if(IS_SUB_4X8(sub_mb_type)){
+ mc_part(h, n , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
+ qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
+ &weight_op[5], &weight_avg[5],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
+ qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
+ &weight_op[5], &weight_avg[5],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ }else{
+ int j;
+ assert(IS_SUB_4X4(sub_mb_type));
+ for(j=0; j<4; j++){
+ int sub_x_offset= x_offset + 2*(j&1);
+ int sub_y_offset= y_offset + (j&2);
+ mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
+ qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
+ &weight_op[6], &weight_avg[6],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ }
+ }
+ }
+ }
+
+ prefetch_motion(h, 1);
+}
+
+static void decode_init_vlc(){
+ static int done = 0;
+
+ if (!done) {
+ int i;
+ done = 1;
+
+ init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5,
+ &chroma_dc_coeff_token_len [0], 1, 1,
+ &chroma_dc_coeff_token_bits[0], 1, 1, 1);
+
+ for(i=0; i<4; i++){
+ init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17,
+ &coeff_token_len [i][0], 1, 1,
+ &coeff_token_bits[i][0], 1, 1, 1);
+ }
+
+ for(i=0; i<3; i++){
+ init_vlc(&chroma_dc_total_zeros_vlc[i], CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4,
+ &chroma_dc_total_zeros_len [i][0], 1, 1,
+ &chroma_dc_total_zeros_bits[i][0], 1, 1, 1);
+ }
+ for(i=0; i<15; i++){
+ init_vlc(&total_zeros_vlc[i], TOTAL_ZEROS_VLC_BITS, 16,
+ &total_zeros_len [i][0], 1, 1,
+ &total_zeros_bits[i][0], 1, 1, 1);
+ }
+
+ for(i=0; i<6; i++){
+ init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
+ &run_len [i][0], 1, 1,
+ &run_bits[i][0], 1, 1, 1);
+ }
+ init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
+ &run_len [6][0], 1, 1,
+ &run_bits[6][0], 1, 1, 1);
+ }
+}
+
+/**
+ * Sets the intra prediction function pointers.
+ */
+static void init_pred_ptrs(H264Context *h){
+// MpegEncContext * const s = &h->s;
+
+ h->pred4x4[VERT_PRED ]= pred4x4_vertical_c;
+ h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c;
+ h->pred4x4[DC_PRED ]= pred4x4_dc_c;
+ h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c;
+ h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
+ h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c;
+ h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c;
+ h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_c;
+ h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_c;
+ h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c;
+ h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c;
+ h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c;
+
+ h->pred8x8l[VERT_PRED ]= pred8x8l_vertical_c;
+ h->pred8x8l[HOR_PRED ]= pred8x8l_horizontal_c;
+ h->pred8x8l[DC_PRED ]= pred8x8l_dc_c;
+ h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c;
+ h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c;
+ h->pred8x8l[VERT_RIGHT_PRED ]= pred8x8l_vertical_right_c;
+ h->pred8x8l[HOR_DOWN_PRED ]= pred8x8l_horizontal_down_c;
+ h->pred8x8l[VERT_LEFT_PRED ]= pred8x8l_vertical_left_c;
+ h->pred8x8l[HOR_UP_PRED ]= pred8x8l_horizontal_up_c;
+ h->pred8x8l[LEFT_DC_PRED ]= pred8x8l_left_dc_c;
+ h->pred8x8l[TOP_DC_PRED ]= pred8x8l_top_dc_c;
+ h->pred8x8l[DC_128_PRED ]= pred8x8l_128_dc_c;
+
+ h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_c;
+ h->pred8x8[VERT_PRED8x8 ]= pred8x8_vertical_c;
+ h->pred8x8[HOR_PRED8x8 ]= pred8x8_horizontal_c;
+ h->pred8x8[PLANE_PRED8x8 ]= pred8x8_plane_c;
+ h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
+ h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
+ h->pred8x8[DC_128_PRED8x8 ]= pred8x8_128_dc_c;
+
+ h->pred16x16[DC_PRED8x8 ]= pred16x16_dc_c;
+ h->pred16x16[VERT_PRED8x8 ]= pred16x16_vertical_c;
+ h->pred16x16[HOR_PRED8x8 ]= pred16x16_horizontal_c;
+ h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c;
+ h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
+ h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
+ h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c;
+}
+
+static void free_tables(H264Context *h){
+ av_freep(&h->intra4x4_pred_mode);
+ av_freep(&h->chroma_pred_mode_table);
+ av_freep(&h->cbp_table);
+ av_freep(&h->mvd_table[0]);
+ av_freep(&h->mvd_table[1]);
+ av_freep(&h->direct_table);
+ av_freep(&h->non_zero_count);
+ av_freep(&h->slice_table_base);
+ av_freep(&h->top_borders[1]);
+ av_freep(&h->top_borders[0]);
+ h->slice_table= NULL;
+
+ av_freep(&h->mb2b_xy);
+ av_freep(&h->mb2b8_xy);
+
+ av_freep(&h->s.obmc_scratchpad);
+}
+
+static void init_dequant8_coeff_table(H264Context *h){
+ int i,q,x;
+ const int transpose = (h->s.dsp.h264_idct8_add != ff_h264_idct8_add_c); //FIXME ugly
+ h->dequant8_coeff[0] = h->dequant8_buffer[0];
+ h->dequant8_coeff[1] = h->dequant8_buffer[1];
+
+ for(i=0; i<2; i++ ){
+ if(i && !memcmp(h->pps.scaling_matrix8[0], h->pps.scaling_matrix8[1], 64*sizeof(uint8_t))){
+ h->dequant8_coeff[1] = h->dequant8_buffer[0];
+ break;
+ }
+
+ for(q=0; q<52; q++){
+ int shift = div6[q];
+ int idx = rem6[q];
+ for(x=0; x<64; x++)
+ h->dequant8_coeff[i][q][transpose ? (x>>3)|((x&7)<<3) : x] =
+ ((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] *
+ h->pps.scaling_matrix8[i][x]) << shift;
+ }
+ }
+}
+
+static void init_dequant4_coeff_table(H264Context *h){
+ int i,j,q,x;
+ const int transpose = (h->s.dsp.h264_idct_add != ff_h264_idct_add_c); //FIXME ugly
+ for(i=0; i<6; i++ ){
+ h->dequant4_coeff[i] = h->dequant4_buffer[i];
+ for(j=0; j<i; j++){
+ if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){
+ h->dequant4_coeff[i] = h->dequant4_buffer[j];
+ break;
+ }
+ }
+ if(j<i)
+ continue;
+
+ for(q=0; q<52; q++){
+ int shift = div6[q] + 2;
+ int idx = rem6[q];
+ for(x=0; x<16; x++)
+ h->dequant4_coeff[i][q][transpose ? (x>>2)|((x<<2)&0xF) : x] =
+ ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
+ h->pps.scaling_matrix4[i][x]) << shift;
+ }
+ }
+}
+
+static void init_dequant_tables(H264Context *h){
+ int i,x;
+ init_dequant4_coeff_table(h);
+ if(h->pps.transform_8x8_mode)
+ init_dequant8_coeff_table(h);
+ if(h->sps.transform_bypass){
+ for(i=0; i<6; i++)
+ for(x=0; x<16; x++)
+ h->dequant4_coeff[i][0][x] = 1<<6;
+ if(h->pps.transform_8x8_mode)
+ for(i=0; i<2; i++)
+ for(x=0; x<64; x++)
+ h->dequant8_coeff[i][0][x] = 1<<6;
+ }
+}
+
+
+/**
+ * allocates tables.
+ * needs width/height
+ */
+static int alloc_tables(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int big_mb_num= s->mb_stride * (s->mb_height+1);
+ int x,y;
+
+ CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t))
+
+ CHECKED_ALLOCZ(h->non_zero_count , big_mb_num * 16 * sizeof(uint8_t))
+ CHECKED_ALLOCZ(h->slice_table_base , (big_mb_num+s->mb_stride) * sizeof(uint8_t))
+ CHECKED_ALLOCZ(h->top_borders[0] , s->mb_width * (16+8+8) * sizeof(uint8_t))
+ CHECKED_ALLOCZ(h->top_borders[1] , s->mb_width * (16+8+8) * sizeof(uint8_t))
+ CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t))
+
+ if( h->pps.cabac ) {
+ CHECKED_ALLOCZ(h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t))
+ CHECKED_ALLOCZ(h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t));
+ CHECKED_ALLOCZ(h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t));
+ CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t));
+ }
+
+ memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride) * sizeof(uint8_t));
+ h->slice_table= h->slice_table_base + s->mb_stride*2 + 1;
+
+ CHECKED_ALLOCZ(h->mb2b_xy , big_mb_num * sizeof(uint32_t));
+ CHECKED_ALLOCZ(h->mb2b8_xy , big_mb_num * sizeof(uint32_t));
+ for(y=0; y<s->mb_height; y++){
+ for(x=0; x<s->mb_width; x++){
+ const int mb_xy= x + y*s->mb_stride;
+ const int b_xy = 4*x + 4*y*h->b_stride;
+ const int b8_xy= 2*x + 2*y*h->b8_stride;
+
+ h->mb2b_xy [mb_xy]= b_xy;
+ h->mb2b8_xy[mb_xy]= b8_xy;
+ }
+ }
+
+ s->obmc_scratchpad = NULL;
+
+ if(!h->dequant4_coeff[0])
+ init_dequant_tables(h);
+
+ return 0;
+fail:
+ free_tables(h);
+ return -1;
+}
+
+static void common_init(H264Context *h){
+ MpegEncContext * const s = &h->s;
+
+ s->width = s->avctx->width;
+ s->height = s->avctx->height;
+ s->codec_id= s->avctx->codec->id;
+
+ init_pred_ptrs(h);
+
+ h->dequant_coeff_pps= -1;
+ s->unrestricted_mv=1;
+ s->decode=1; //FIXME
+
+ memset(h->pps.scaling_matrix4, 16, 6*16*sizeof(uint8_t));
+ memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
+}
+
+static int decode_init(AVCodecContext *avctx){
+ H264Context *h= avctx->priv_data;
+ MpegEncContext * const s = &h->s;
+
+ MPV_decode_defaults(s);
+
+ s->avctx = avctx;
+ common_init(h);
+
+ s->out_format = FMT_H264;
+ s->workaround_bugs= avctx->workaround_bugs;
+
+ // set defaults
+// s->decode_mb= ff_h263_decode_mb;
+ s->low_delay= 1;
+ avctx->pix_fmt= PIX_FMT_YUV420P;
+
+ decode_init_vlc();
+
+ if(avctx->extradata_size > 0 && avctx->extradata &&
+ *(char *)avctx->extradata == 1){
+ h->is_avc = 1;
+ h->got_avcC = 0;
+ } else {
+ h->is_avc = 0;
+ }
+
+ return 0;
+}
+
+static int frame_start(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ int i;
+
+ if(MPV_frame_start(s, s->avctx) < 0)
+ return -1;
+ ff_er_frame_start(s);
+
+ assert(s->linesize && s->uvlinesize);
+
+ for(i=0; i<16; i++){
+ h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
+ h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
+ }
+ for(i=0; i<4; i++){
+ h->block_offset[16+i]=
+ h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
+ h->block_offset[24+16+i]=
+ h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
+ }
+
+ /* can't be in alloc_tables because linesize isn't known there.
+ * FIXME: redo bipred weight to not require extra buffer? */
+ if(!s->obmc_scratchpad)
+ s->obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize);
+
+ /* some macroblocks will be accessed before they're available */
+ if(FRAME_MBAFF)
+ memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(uint8_t));
+
+// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
+ return 0;
+}
+
+static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
+ MpegEncContext * const s = &h->s;
+ int i;
+
+ src_y -= linesize;
+ src_cb -= uvlinesize;
+ src_cr -= uvlinesize;
+
+ // There are two lines saved, the line above the the top macroblock of a pair,
+ // and the line above the bottom macroblock
+ h->left_border[0]= h->top_borders[0][s->mb_x][15];
+ for(i=1; i<17; i++){
+ h->left_border[i]= src_y[15+i* linesize];
+ }
+
+ *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 16*linesize);
+ *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
+
+ if(!(s->flags&CODEC_FLAG_GRAY)){
+ h->left_border[17 ]= h->top_borders[0][s->mb_x][16+7];
+ h->left_border[17+9]= h->top_borders[0][s->mb_x][24+7];
+ for(i=1; i<9; i++){
+ h->left_border[i+17 ]= src_cb[7+i*uvlinesize];
+ h->left_border[i+17+9]= src_cr[7+i*uvlinesize];
+ }
+ *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize);
+ *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize);
+ }
+}
+
+static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
+ MpegEncContext * const s = &h->s;
+ int temp8, i;
+ uint64_t temp64;
+ int deblock_left = (s->mb_x > 0);
+ int deblock_top = (s->mb_y > 0);
+
+ src_y -= linesize + 1;
+ src_cb -= uvlinesize + 1;
+ src_cr -= uvlinesize + 1;
+
+#define XCHG(a,b,t,xchg)\
+t= a;\
+if(xchg)\
+ a= b;\
+b= t;
+
+ if(deblock_left){
+ for(i = !deblock_top; i<17; i++){
+ XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg);
+ }
+ }
+
+ if(deblock_top){
+ XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
+ XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
+ if(s->mb_x+1 < s->mb_width){
+ XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
+ }
+ }
+
+ if(!(s->flags&CODEC_FLAG_GRAY)){
+ if(deblock_left){
+ for(i = !deblock_top; i<9; i++){
+ XCHG(h->left_border[i+17 ], src_cb[i*uvlinesize], temp8, xchg);
+ XCHG(h->left_border[i+17+9], src_cr[i*uvlinesize], temp8, xchg);
+ }
+ }
+ if(deblock_top){
+ XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
+ XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
+ }
+ }
+}
+
+static inline void backup_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
+ MpegEncContext * const s = &h->s;
+ int i;
+
+ src_y -= 2 * linesize;
+ src_cb -= 2 * uvlinesize;
+ src_cr -= 2 * uvlinesize;
+
+ // There are two lines saved, the line above the the top macroblock of a pair,
+ // and the line above the bottom macroblock
+ h->left_border[0]= h->top_borders[0][s->mb_x][15];
+ h->left_border[1]= h->top_borders[1][s->mb_x][15];
+ for(i=2; i<34; i++){
+ h->left_border[i]= src_y[15+i* linesize];
+ }
+
+ *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 32*linesize);
+ *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+32*linesize);
+ *(uint64_t*)(h->top_borders[1][s->mb_x]+0)= *(uint64_t*)(src_y + 33*linesize);
+ *(uint64_t*)(h->top_borders[1][s->mb_x]+8)= *(uint64_t*)(src_y +8+33*linesize);
+
+ if(!(s->flags&CODEC_FLAG_GRAY)){
+ h->left_border[34 ]= h->top_borders[0][s->mb_x][16+7];
+ h->left_border[34+ 1]= h->top_borders[1][s->mb_x][16+7];
+ h->left_border[34+18 ]= h->top_borders[0][s->mb_x][24+7];
+ h->left_border[34+18+1]= h->top_borders[1][s->mb_x][24+7];
+ for(i=2; i<18; i++){
+ h->left_border[i+34 ]= src_cb[7+i*uvlinesize];
+ h->left_border[i+34+18]= src_cr[7+i*uvlinesize];
+ }
+ *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+16*uvlinesize);
+ *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+16*uvlinesize);
+ *(uint64_t*)(h->top_borders[1][s->mb_x]+16)= *(uint64_t*)(src_cb+17*uvlinesize);
+ *(uint64_t*)(h->top_borders[1][s->mb_x]+24)= *(uint64_t*)(src_cr+17*uvlinesize);
+ }
+}
+
+static inline void xchg_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
+ MpegEncContext * const s = &h->s;
+ int temp8, i;
+ uint64_t temp64;
+ int deblock_left = (s->mb_x > 0);
+ int deblock_top = (s->mb_y > 1);
+
+ tprintf("xchg_pair_border: src_y:%p src_cb:%p src_cr:%p ls:%d uvls:%d\n", src_y, src_cb, src_cr, linesize, uvlinesize);
+
+ src_y -= 2 * linesize + 1;
+ src_cb -= 2 * uvlinesize + 1;
+ src_cr -= 2 * uvlinesize + 1;
+
+#define XCHG(a,b,t,xchg)\
+t= a;\
+if(xchg)\
+ a= b;\
+b= t;
+
+ if(deblock_left){
+ for(i = (!deblock_top)<<1; i<34; i++){
+ XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg);
+ }
+ }
+
+ if(deblock_top){
+ XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
+ XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
+ XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+0), *(uint64_t*)(src_y +1 +linesize), temp64, xchg);
+ XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+8), *(uint64_t*)(src_y +9 +linesize), temp64, 1);
+ if(s->mb_x+1 < s->mb_width){
+ XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
+ XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x+1]), *(uint64_t*)(src_y +17 +linesize), temp64, 1);
+ }
+ }
+
+ if(!(s->flags&CODEC_FLAG_GRAY)){
+ if(deblock_left){
+ for(i = (!deblock_top) << 1; i<18; i++){
+ XCHG(h->left_border[i+34 ], src_cb[i*uvlinesize], temp8, xchg);
+ XCHG(h->left_border[i+34+18], src_cr[i*uvlinesize], temp8, xchg);
+ }
+ }
+ if(deblock_top){
+ XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
+ XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
+ XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+16), *(uint64_t*)(src_cb+1 +uvlinesize), temp64, 1);
+ XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+24), *(uint64_t*)(src_cr+1 +uvlinesize), temp64, 1);
+ }
+ }
+}
+
+static void hl_decode_mb(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int mb_x= s->mb_x;
+ const int mb_y= s->mb_y;
+ const int mb_xy= mb_x + mb_y*s->mb_stride;
+ const int mb_type= s->current_picture.mb_type[mb_xy];
+ uint8_t *dest_y, *dest_cb, *dest_cr;
+ int linesize, uvlinesize /*dct_offset*/;
+ int i;
+ int *block_offset = &h->block_offset[0];
+ const unsigned int bottom = mb_y & 1;
+ const int transform_bypass = (s->qscale == 0 && h->sps.transform_bypass);
+ void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
+ void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
+
+ if(!s->decode)
+ return;
+
+ dest_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16;
+ dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
+ dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
+
+ s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + 64, s->linesize, 4);
+ s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + 64, dest_cr - dest_cb, 2);
+
+ if (MB_FIELD) {
+ linesize = h->mb_linesize = s->linesize * 2;
+ uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
+ block_offset = &h->block_offset[24];
+ if(mb_y&1){ //FIXME move out of this func?
+ dest_y -= s->linesize*15;
+ dest_cb-= s->uvlinesize*7;
+ dest_cr-= s->uvlinesize*7;
+ }
+ if(FRAME_MBAFF) {
+ int list;
+ for(list=0; list<2; list++){
+ if(!USES_LIST(mb_type, list))
+ continue;
+ if(IS_16X16(mb_type)){
+ int8_t *ref = &h->ref_cache[list][scan8[0]];
+ fill_rectangle(ref, 4, 4, 8, 16+*ref^(s->mb_y&1), 1);
+ }else{
+ for(i=0; i<16; i+=4){
+ //FIXME can refs be smaller than 8x8 when !direct_8x8_inference ?
+ int ref = h->ref_cache[list][scan8[i]];
+ if(ref >= 0)
+ fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, 16+ref^(s->mb_y&1), 1);
+ }
+ }
+ }
+ }
+ } else {
+ linesize = h->mb_linesize = s->linesize;
+ uvlinesize = h->mb_uvlinesize = s->uvlinesize;
+// dct_offset = s->linesize * 16;
+ }
+
+ if(transform_bypass){
+ idct_dc_add =
+ idct_add = IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4;
+ }else if(IS_8x8DCT(mb_type)){
+ idct_dc_add = s->dsp.h264_idct8_dc_add;
+ idct_add = s->dsp.h264_idct8_add;
+ }else{
+ idct_dc_add = s->dsp.h264_idct_dc_add;
+ idct_add = s->dsp.h264_idct_add;
+ }
+
+ if(FRAME_MBAFF && h->deblocking_filter && IS_INTRA(mb_type)
+ && (!bottom || !IS_INTRA(s->current_picture.mb_type[mb_xy-s->mb_stride]))){
+ int mbt_y = mb_y&~1;
+ uint8_t *top_y = s->current_picture.data[0] + (mbt_y * 16* s->linesize ) + mb_x * 16;
+ uint8_t *top_cb = s->current_picture.data[1] + (mbt_y * 8 * s->uvlinesize) + mb_x * 8;
+ uint8_t *top_cr = s->current_picture.data[2] + (mbt_y * 8 * s->uvlinesize) + mb_x * 8;
+ xchg_pair_border(h, top_y, top_cb, top_cr, s->linesize, s->uvlinesize, 1);
+ }
+
+ if (IS_INTRA_PCM(mb_type)) {
+ unsigned int x, y;
+
+ // The pixels are stored in h->mb array in the same order as levels,
+ // copy them in output in the correct order.
+ for(i=0; i<16; i++) {
+ for (y=0; y<4; y++) {
+ for (x=0; x<4; x++) {
+ *(dest_y + block_offset[i] + y*linesize + x) = h->mb[i*16+y*4+x];
+ }
+ }
+ }
+ for(i=16; i<16+4; i++) {
+ for (y=0; y<4; y++) {
+ for (x=0; x<4; x++) {
+ *(dest_cb + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
+ }
+ }
+ }
+ for(i=20; i<20+4; i++) {
+ for (y=0; y<4; y++) {
+ for (x=0; x<4; x++) {
+ *(dest_cr + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
+ }
+ }
+ }
+ } else {
+ if(IS_INTRA(mb_type)){
+ if(h->deblocking_filter && !FRAME_MBAFF)
+ xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
+
+ if(!(s->flags&CODEC_FLAG_GRAY)){
+ h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
+ h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
+ }
+
+ if(IS_INTRA4x4(mb_type)){
+ if(!s->encoding){
+ if(IS_8x8DCT(mb_type)){
+ for(i=0; i<16; i+=4){
+ uint8_t * const ptr= dest_y + block_offset[i];
+ const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
+ const int nnz = h->non_zero_count_cache[ scan8[i] ];
+ h->pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
+ (h->topright_samples_available<<(i+1))&0x8000, linesize);
+ if(nnz){
+ if(nnz == 1 && h->mb[i*16])
+ idct_dc_add(ptr, h->mb + i*16, linesize);
+ else
+ idct_add(ptr, h->mb + i*16, linesize);
+ }
+ }
+ }else
+ for(i=0; i<16; i++){
+ uint8_t * const ptr= dest_y + block_offset[i];
+ uint8_t *topright;
+ const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
+ int nnz, tr;
+
+ if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
+ const int topright_avail= (h->topright_samples_available<<i)&0x8000;
+ assert(mb_y || linesize <= block_offset[i]);
+ if(!topright_avail){
+ tr= ptr[3 - linesize]*0x01010101;
+ topright= (uint8_t*) &tr;
+ }else
+ topright= ptr + 4 - linesize;
+ }else
+ topright= NULL;
+
+ h->pred4x4[ dir ](ptr, topright, linesize);
+ nnz = h->non_zero_count_cache[ scan8[i] ];
+ if(nnz){
+ if(s->codec_id == CODEC_ID_H264){
+ if(nnz == 1 && h->mb[i*16])
+ idct_dc_add(ptr, h->mb + i*16, linesize);
+ else
+ idct_add(ptr, h->mb + i*16, linesize);
+ }else
+ svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
+ }
+ }
+ }
+ }else{
+ h->pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
+ if(s->codec_id == CODEC_ID_H264){
+ if(!transform_bypass)
+ h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[IS_INTRA(mb_type) ? 0:3][s->qscale][0]);
+ }else
+ svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
+ }
+ if(h->deblocking_filter && !FRAME_MBAFF)
+ xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
+ }else if(s->codec_id == CODEC_ID_H264){
+ hl_motion(h, dest_y, dest_cb, dest_cr,
+ s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
+ s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
+ s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab);
+ }
+
+
+ if(!IS_INTRA4x4(mb_type)){
+ if(s->codec_id == CODEC_ID_H264){
+ if(IS_INTRA16x16(mb_type)){
+ for(i=0; i<16; i++){
+ if(h->non_zero_count_cache[ scan8[i] ])
+ idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+ else if(h->mb[i*16])
+ idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+ }
+ }else{
+ const int di = IS_8x8DCT(mb_type) ? 4 : 1;
+ for(i=0; i<16; i+=di){
+ int nnz = h->non_zero_count_cache[ scan8[i] ];
+ if(nnz){
+ if(nnz==1 && h->mb[i*16])
+ idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+ else
+ idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+ }
+ }
+ }
+ }else{
+ for(i=0; i<16; i++){
+ if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
+ uint8_t * const ptr= dest_y + block_offset[i];
+ svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
+ }
+ }
+ }
+ }
+
+ if(!(s->flags&CODEC_FLAG_GRAY)){
+ uint8_t *dest[2] = {dest_cb, dest_cr};
+ if(transform_bypass){
+ idct_add = idct_dc_add = s->dsp.add_pixels4;
+ }else{
+ idct_add = s->dsp.h264_idct_add;
+ idct_dc_add = s->dsp.h264_idct_dc_add;
+ chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp][0]);
+ chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp][0]);
+ }
+ if(s->codec_id == CODEC_ID_H264){
+ for(i=16; i<16+8; i++){
+ if(h->non_zero_count_cache[ scan8[i] ])
+ idct_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
+ else if(h->mb[i*16])
+ idct_dc_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
+ }
+ }else{
+ for(i=16; i<16+8; i++){
+ if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
+ uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];
+ svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
+ }
+ }
+ }
+ }
+ }
+ if(h->deblocking_filter) {
+ if (FRAME_MBAFF) {
+ //FIXME try deblocking one mb at a time?
+ // the reduction in load/storing mvs and such might outweigh the extra backup/xchg_border
+ const int mb_y = s->mb_y - 1;
+ uint8_t *pair_dest_y, *pair_dest_cb, *pair_dest_cr;
+ const int mb_xy= mb_x + mb_y*s->mb_stride;
+ const int mb_type_top = s->current_picture.mb_type[mb_xy];
+ const int mb_type_bottom= s->current_picture.mb_type[mb_xy+s->mb_stride];
+ if (!bottom) return;
+ pair_dest_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16;
+ pair_dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
+ pair_dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
+
+ if(IS_INTRA(mb_type_top | mb_type_bottom))
+ xchg_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize, 0);
+
+ backup_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize);
+ // deblock a pair
+ // top
+ s->mb_y--;
+ tprintf("call mbaff filter_mb mb_x:%d mb_y:%d pair_dest_y = %p, dest_y = %p\n", mb_x, mb_y, pair_dest_y, dest_y);
+ fill_caches(h, mb_type_top, 1); //FIXME don't fill stuff which isn't used by filter_mb
+ h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy]);
+ filter_mb(h, mb_x, mb_y, pair_dest_y, pair_dest_cb, pair_dest_cr, linesize, uvlinesize);
+ // bottom
+ s->mb_y++;
+ tprintf("call mbaff filter_mb\n");
+ fill_caches(h, mb_type_bottom, 1); //FIXME don't fill stuff which isn't used by filter_mb
+ h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy+s->mb_stride]);
+ filter_mb(h, mb_x, mb_y+1, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
+ } else {
+ tprintf("call filter_mb\n");
+ backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
+ fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
+ filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
+ }
+ }
+}
+
+/**
+ * fills the default_ref_list.
+ */
+static int fill_default_ref_list(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ int i;
+ int smallest_poc_greater_than_current = -1;
+ Picture sorted_short_ref[32];
+
+ if(h->slice_type==B_TYPE){
+ int out_i;
+ int limit= INT_MIN;
+
+ /* sort frame according to poc in B slice */
+ for(out_i=0; out_i<h->short_ref_count; out_i++){
+ int best_i=INT_MIN;
+ int best_poc=INT_MAX;
+
+ for(i=0; i<h->short_ref_count; i++){
+ const int poc= h->short_ref[i]->poc;
+ if(poc > limit && poc < best_poc){
+ best_poc= poc;
+ best_i= i;
+ }
+ }
+
+ assert(best_i != INT_MIN);
+
+ limit= best_poc;
+ sorted_short_ref[out_i]= *h->short_ref[best_i];
+ tprintf("sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
+ if (-1 == smallest_poc_greater_than_current) {
+ if (h->short_ref[best_i]->poc >= s->current_picture_ptr->poc) {
+ smallest_poc_greater_than_current = out_i;
+ }
+ }
+ }
+ }
+
+ if(s->picture_structure == PICT_FRAME){
+ if(h->slice_type==B_TYPE){
+ int list;
+ tprintf("current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
+
+ // find the largest poc
+ for(list=0; list<2; list++){
+ int index = 0;
+ int j= -99;
+ int step= list ? -1 : 1;
+
+ for(i=0; i<h->short_ref_count && index < h->ref_count[list]; i++, j+=step) {
+ while(j<0 || j>= h->short_ref_count){
+ if(j != -99 && step == (list ? -1 : 1))
+ return -1;
+ step = -step;
+ j= smallest_poc_greater_than_current + (step>>1);
+ }
+ if(sorted_short_ref[j].reference != 3) continue;
+ h->default_ref_list[list][index ]= sorted_short_ref[j];
+ h->default_ref_list[list][index++].pic_id= sorted_short_ref[j].frame_num;
+ }
+
+ for(i = 0; i < 16 && index < h->ref_count[ list ]; i++){
+ if(h->long_ref[i] == NULL) continue;
+ if(h->long_ref[i]->reference != 3) continue;
+
+ h->default_ref_list[ list ][index ]= *h->long_ref[i];
+ h->default_ref_list[ list ][index++].pic_id= i;;
+ }
+
+ if(list && (smallest_poc_greater_than_current<=0 || smallest_poc_greater_than_current>=h->short_ref_count) && (1 < index)){
+ // swap the two first elements of L1 when
+ // L0 and L1 are identical
+ Picture temp= h->default_ref_list[1][0];
+ h->default_ref_list[1][0] = h->default_ref_list[1][1];
+ h->default_ref_list[1][1] = temp;
+ }
+
+ if(index < h->ref_count[ list ])
+ memset(&h->default_ref_list[list][index], 0, sizeof(Picture)*(h->ref_count[ list ] - index));
+ }
+ }else{
+ int index=0;
+ for(i=0; i<h->short_ref_count; i++){
+ if(h->short_ref[i]->reference != 3) continue; //FIXME refernce field shit
+ h->default_ref_list[0][index ]= *h->short_ref[i];
+ h->default_ref_list[0][index++].pic_id= h->short_ref[i]->frame_num;
+ }
+ for(i = 0; i < 16; i++){
+ if(h->long_ref[i] == NULL) continue;
+ if(h->long_ref[i]->reference != 3) continue;
+ h->default_ref_list[0][index ]= *h->long_ref[i];
+ h->default_ref_list[0][index++].pic_id= i;;
+ }
+ if(index < h->ref_count[0])
+ memset(&h->default_ref_list[0][index], 0, sizeof(Picture)*(h->ref_count[0] - index));
+ }
+ }else{ //FIELD
+ if(h->slice_type==B_TYPE){
+ }else{
+ //FIXME second field balh
+ }
+ }
+#ifdef TRACE
+ for (i=0; i<h->ref_count[0]; i++) {
+ tprintf("List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
+ }
+ if(h->slice_type==B_TYPE){
+ for (i=0; i<h->ref_count[1]; i++) {
+ tprintf("List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[0][i].data[0]);
+ }
+ }
+#endif
+ return 0;
+}
+
+static void print_short_term(H264Context *h);
+static void print_long_term(H264Context *h);
+
+static int decode_ref_pic_list_reordering(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ int list, index;
+
+ print_short_term(h);
+ print_long_term(h);
+ if(h->slice_type==I_TYPE || h->slice_type==SI_TYPE) return 0; //FIXME move before func
+
+ for(list=0; list<2; list++){
+ memcpy(h->ref_list[list], h->default_ref_list[list], sizeof(Picture)*h->ref_count[list]);
+
+ if(get_bits1(&s->gb)){
+ int pred= h->curr_pic_num;
+
+ for(index=0; ; index++){
+ int reordering_of_pic_nums_idc= get_ue_golomb(&s->gb);
+ int pic_id;
+ int i;
+ Picture *ref = NULL;
+
+ if(reordering_of_pic_nums_idc==3)
+ break;
+
+ if(index >= h->ref_count[list]){
+ av_log(h->s.avctx, AV_LOG_ERROR, "reference count overflow\n");
+ return -1;
+ }
+
+ if(reordering_of_pic_nums_idc<3){
+ if(reordering_of_pic_nums_idc<2){
+ const int abs_diff_pic_num= get_ue_golomb(&s->gb) + 1;
+
+ if(abs_diff_pic_num >= h->max_pic_num){
+ av_log(h->s.avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n");
+ return -1;
+ }
+
+ if(reordering_of_pic_nums_idc == 0) pred-= abs_diff_pic_num;
+ else pred+= abs_diff_pic_num;
+ pred &= h->max_pic_num - 1;
+
+ for(i= h->short_ref_count-1; i>=0; i--){
+ ref = h->short_ref[i];
+ assert(ref->reference == 3);
+ assert(!ref->long_ref);
+ if(ref->data[0] != NULL && ref->frame_num == pred && ref->long_ref == 0) // ignore non existing pictures by testing data[0] pointer
+ break;
+ }
+ if(i>=0)
+ ref->pic_id= ref->frame_num;
+ }else{
+ pic_id= get_ue_golomb(&s->gb); //long_term_pic_idx
+ ref = h->long_ref[pic_id];
+ ref->pic_id= pic_id;
+ assert(ref->reference == 3);
+ assert(ref->long_ref);
+ i=0;
+ }
+
+ if (i < 0) {
+ av_log(h->s.avctx, AV_LOG_ERROR, "reference picture missing during reorder\n");
+ memset(&h->ref_list[list][index], 0, sizeof(Picture)); //FIXME
+ } else {
+ for(i=index; i+1<h->ref_count[list]; i++){
+ if(ref->long_ref == h->ref_list[list][i].long_ref && ref->pic_id == h->ref_list[list][i].pic_id)
+ break;
+ }
+ for(; i > index; i--){
+ h->ref_list[list][i]= h->ref_list[list][i-1];
+ }
+ h->ref_list[list][index]= *ref;
+ }
+ }else{
+ av_log(h->s.avctx, AV_LOG_ERROR, "illegal reordering_of_pic_nums_idc\n");
+ return -1;
+ }
+ }
+ }
+
+ if(h->slice_type!=B_TYPE) break;
+ }
+ for(list=0; list<2; list++){
+ for(index= 0; index < h->ref_count[list]; index++){
+ if(!h->ref_list[list][index].data[0])
+ h->ref_list[list][index]= s->current_picture;
+ }
+ if(h->slice_type!=B_TYPE) break;
+ }
+
+ if(h->slice_type==B_TYPE && !h->direct_spatial_mv_pred)
+ direct_dist_scale_factor(h);
+ direct_ref_list_init(h);
+ return 0;
+}
+
+static void fill_mbaff_ref_list(H264Context *h){
+ int list, i, j;
+ for(list=0; list<2; list++){
+ for(i=0; i<h->ref_count[list]; i++){
+ Picture *frame = &h->ref_list[list][i];
+ Picture *field = &h->ref_list[list][16+2*i];
+ field[0] = *frame;
+ for(j=0; j<3; j++)
+ field[0].linesize[j] <<= 1;
+ field[1] = field[0];
+ for(j=0; j<3; j++)
+ field[1].data[j] += frame->linesize[j];
+
+ h->luma_weight[list][16+2*i] = h->luma_weight[list][16+2*i+1] = h->luma_weight[list][i];
+ h->luma_offset[list][16+2*i] = h->luma_offset[list][16+2*i+1] = h->luma_offset[list][i];
+ for(j=0; j<2; j++){
+ h->chroma_weight[list][16+2*i][j] = h->chroma_weight[list][16+2*i+1][j] = h->chroma_weight[list][i][j];
+ h->chroma_offset[list][16+2*i][j] = h->chroma_offset[list][16+2*i+1][j] = h->chroma_offset[list][i][j];
+ }
+ }
+ }
+ for(j=0; j<h->ref_count[1]; j++){
+ for(i=0; i<h->ref_count[0]; i++)
+ h->implicit_weight[j][16+2*i] = h->implicit_weight[j][16+2*i+1] = h->implicit_weight[j][i];
+ memcpy(h->implicit_weight[16+2*j], h->implicit_weight[j], sizeof(*h->implicit_weight));
+ memcpy(h->implicit_weight[16+2*j+1], h->implicit_weight[j], sizeof(*h->implicit_weight));
+ }
+}
+
+static int pred_weight_table(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ int list, i;
+ int luma_def, chroma_def;
+
+ h->use_weight= 0;
+ h->use_weight_chroma= 0;
+ h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
+ h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
+ luma_def = 1<<h->luma_log2_weight_denom;
+ chroma_def = 1<<h->chroma_log2_weight_denom;
+
+ for(list=0; list<2; list++){
+ for(i=0; i<h->ref_count[list]; i++){
+ int luma_weight_flag, chroma_weight_flag;
+
+ luma_weight_flag= get_bits1(&s->gb);
+ if(luma_weight_flag){
+ h->luma_weight[list][i]= get_se_golomb(&s->gb);
+ h->luma_offset[list][i]= get_se_golomb(&s->gb);
+ if( h->luma_weight[list][i] != luma_def
+ || h->luma_offset[list][i] != 0)
+ h->use_weight= 1;
+ }else{
+ h->luma_weight[list][i]= luma_def;
+ h->luma_offset[list][i]= 0;
+ }
+
+ chroma_weight_flag= get_bits1(&s->gb);
+ if(chroma_weight_flag){
+ int j;
+ for(j=0; j<2; j++){
+ h->chroma_weight[list][i][j]= get_se_golomb(&s->gb);
+ h->chroma_offset[list][i][j]= get_se_golomb(&s->gb);
+ if( h->chroma_weight[list][i][j] != chroma_def
+ || h->chroma_offset[list][i][j] != 0)
+ h->use_weight_chroma= 1;
+ }
+ }else{
+ int j;
+ for(j=0; j<2; j++){
+ h->chroma_weight[list][i][j]= chroma_def;
+ h->chroma_offset[list][i][j]= 0;
+ }
+ }
+ }
+ if(h->slice_type != B_TYPE) break;
+ }
+ h->use_weight= h->use_weight || h->use_weight_chroma;
+ return 0;
+}
+
+static void implicit_weight_table(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ int ref0, ref1;
+ int cur_poc = s->current_picture_ptr->poc;
+
+ if( h->ref_count[0] == 1 && h->ref_count[1] == 1
+ && h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){
+ h->use_weight= 0;
+ h->use_weight_chroma= 0;
+ return;
+ }
+
+ h->use_weight= 2;
+ h->use_weight_chroma= 2;
+ h->luma_log2_weight_denom= 5;
+ h->chroma_log2_weight_denom= 5;
+
+ for(ref0=0; ref0 < h->ref_count[0]; ref0++){
+ int poc0 = h->ref_list[0][ref0].poc;
+ for(ref1=0; ref1 < h->ref_count[1]; ref1++){
+ int poc1 = h->ref_list[1][ref1].poc;
+ int td = clip(poc1 - poc0, -128, 127);
+ if(td){
+ int tb = clip(cur_poc - poc0, -128, 127);
+ int tx = (16384 + (FFABS(td) >> 1)) / td;
+ int dist_scale_factor = clip((tb*tx + 32) >> 6, -1024, 1023) >> 2;
+ if(dist_scale_factor < -64 || dist_scale_factor > 128)
+ h->implicit_weight[ref0][ref1] = 32;
+ else
+ h->implicit_weight[ref0][ref1] = 64 - dist_scale_factor;
+ }else
+ h->implicit_weight[ref0][ref1] = 32;
+ }
+ }
+}
+
+static inline void unreference_pic(H264Context *h, Picture *pic){
+ int i;
+ pic->reference=0;
+ if(pic == h->delayed_output_pic)
+ pic->reference=1;
+ else{
+ for(i = 0; h->delayed_pic[i]; i++)
+ if(pic == h->delayed_pic[i]){
+ pic->reference=1;
+ break;
+ }
+ }
+}
+
+/**
+ * instantaneous decoder refresh.
+ */
+static void idr(H264Context *h){
+ int i;
+
+ for(i=0; i<16; i++){
+ if (h->long_ref[i] != NULL) {
+ unreference_pic(h, h->long_ref[i]);
+ h->long_ref[i]= NULL;
+ }
+ }
+ h->long_ref_count=0;
+
+ for(i=0; i<h->short_ref_count; i++){
+ unreference_pic(h, h->short_ref[i]);
+ h->short_ref[i]= NULL;
+ }
+ h->short_ref_count=0;
+}
+
+/* forget old pics after a seek */
+static void flush_dpb(AVCodecContext *avctx){
+ H264Context *h= avctx->priv_data;
+ int i;
+ for(i=0; i<16; i++) {
+ if(h->delayed_pic[i])
+ h->delayed_pic[i]->reference= 0;
+ h->delayed_pic[i]= NULL;
+ }
+ if(h->delayed_output_pic)
+ h->delayed_output_pic->reference= 0;
+ h->delayed_output_pic= NULL;
+ idr(h);
+ if(h->s.current_picture_ptr)
+ h->s.current_picture_ptr->reference= 0;
+}
+
+/**
+ *
+ * @return the removed picture or NULL if an error occurs
+ */
+static Picture * remove_short(H264Context *h, int frame_num){
+ MpegEncContext * const s = &h->s;
+ int i;
+
+ if(s->avctx->debug&FF_DEBUG_MMCO)
+ av_log(h->s.avctx, AV_LOG_DEBUG, "remove short %d count %d\n", frame_num, h->short_ref_count);
+
+ for(i=0; i<h->short_ref_count; i++){
+ Picture *pic= h->short_ref[i];
+ if(s->avctx->debug&FF_DEBUG_MMCO)
+ av_log(h->s.avctx, AV_LOG_DEBUG, "%d %d %p\n", i, pic->frame_num, pic);
+ if(pic->frame_num == frame_num){
+ h->short_ref[i]= NULL;
+ memmove(&h->short_ref[i], &h->short_ref[i+1], (h->short_ref_count - i - 1)*sizeof(Picture*));
+ h->short_ref_count--;
+ return pic;
+ }
+ }
+ return NULL;
+}
+
+/**
+ *
+ * @return the removed picture or NULL if an error occurs
+ */
+static Picture * remove_long(H264Context *h, int i){
+ Picture *pic;
+
+ pic= h->long_ref[i];
+ h->long_ref[i]= NULL;
+ if(pic) h->long_ref_count--;
+
+ return pic;
+}
+
+/**
+ * print short term list
+ */
+static void print_short_term(H264Context *h) {
+ uint32_t i;
+ if(h->s.avctx->debug&FF_DEBUG_MMCO) {
+ av_log(h->s.avctx, AV_LOG_DEBUG, "short term list:\n");
+ for(i=0; i<h->short_ref_count; i++){
+ Picture *pic= h->short_ref[i];
+ av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
+ }
+ }
+}
+
+/**
+ * print long term list
+ */
+static void print_long_term(H264Context *h) {
+ uint32_t i;
+ if(h->s.avctx->debug&FF_DEBUG_MMCO) {
+ av_log(h->s.avctx, AV_LOG_DEBUG, "long term list:\n");
+ for(i = 0; i < 16; i++){
+ Picture *pic= h->long_ref[i];
+ if (pic) {
+ av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
+ }
+ }
+ }
+}
+
+/**
+ * Executes the reference picture marking (memory management control operations).
+ */
+static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
+ MpegEncContext * const s = &h->s;
+ int i, j;
+ int current_is_long=0;
+ Picture *pic;
+
+ if((s->avctx->debug&FF_DEBUG_MMCO) && mmco_count==0)
+ av_log(h->s.avctx, AV_LOG_DEBUG, "no mmco here\n");
+
+ for(i=0; i<mmco_count; i++){
+ if(s->avctx->debug&FF_DEBUG_MMCO)
+ av_log(h->s.avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode, h->mmco[i].short_frame_num, h->mmco[i].long_index);
+
+ switch(mmco[i].opcode){
+ case MMCO_SHORT2UNUSED:
+ pic= remove_short(h, mmco[i].short_frame_num);
+ if(pic)
+ unreference_pic(h, pic);
+ else if(s->avctx->debug&FF_DEBUG_MMCO)
+ av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_short() failure\n");
+ break;
+ case MMCO_SHORT2LONG:
+ pic= remove_long(h, mmco[i].long_index);
+ if(pic) unreference_pic(h, pic);
+
+ h->long_ref[ mmco[i].long_index ]= remove_short(h, mmco[i].short_frame_num);
+ h->long_ref[ mmco[i].long_index ]->long_ref=1;
+ h->long_ref_count++;
+ break;
+ case MMCO_LONG2UNUSED:
+ pic= remove_long(h, mmco[i].long_index);
+ if(pic)
+ unreference_pic(h, pic);
+ else if(s->avctx->debug&FF_DEBUG_MMCO)
+ av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_long() failure\n");
+ break;
+ case MMCO_LONG:
+ pic= remove_long(h, mmco[i].long_index);
+ if(pic) unreference_pic(h, pic);
+
+ h->long_ref[ mmco[i].long_index ]= s->current_picture_ptr;
+ h->long_ref[ mmco[i].long_index ]->long_ref=1;
+ h->long_ref_count++;
+
+ current_is_long=1;
+ break;
+ case MMCO_SET_MAX_LONG:
+ assert(mmco[i].long_index <= 16);
+ // just remove the long term which index is greater than new max
+ for(j = mmco[i].long_index; j<16; j++){
+ pic = remove_long(h, j);
+ if (pic) unreference_pic(h, pic);
+ }
+ break;
+ case MMCO_RESET:
+ while(h->short_ref_count){
+ pic= remove_short(h, h->short_ref[0]->frame_num);
+ unreference_pic(h, pic);
+ }
+ for(j = 0; j < 16; j++) {
+ pic= remove_long(h, j);
+ if(pic) unreference_pic(h, pic);
+ }
+ break;
+ default: assert(0);
+ }
+ }
+
+ if(!current_is_long){
+ pic= remove_short(h, s->current_picture_ptr->frame_num);
+ if(pic){
+ unreference_pic(h, pic);
+ av_log(h->s.avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
+ }
+
+ if(h->short_ref_count)
+ memmove(&h->short_ref[1], &h->short_ref[0], h->short_ref_count*sizeof(Picture*));
+
+ h->short_ref[0]= s->current_picture_ptr;
+ h->short_ref[0]->long_ref=0;
+ h->short_ref_count++;
+ }
+
+ print_short_term(h);
+ print_long_term(h);
+ return 0;
+}
+
+static int decode_ref_pic_marking(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ int i;
+
+ if(h->nal_unit_type == NAL_IDR_SLICE){ //FIXME fields
+ s->broken_link= get_bits1(&s->gb) -1;
+ h->mmco[0].long_index= get_bits1(&s->gb) - 1; // current_long_term_idx
+ if(h->mmco[0].long_index == -1)
+ h->mmco_index= 0;
+ else{
+ h->mmco[0].opcode= MMCO_LONG;
+ h->mmco_index= 1;
+ }
+ }else{
+ if(get_bits1(&s->gb)){ // adaptive_ref_pic_marking_mode_flag
+ for(i= 0; i<MAX_MMCO_COUNT; i++) {
+ MMCOOpcode opcode= get_ue_golomb(&s->gb);;
+
+ h->mmco[i].opcode= opcode;
+ if(opcode==MMCO_SHORT2UNUSED || opcode==MMCO_SHORT2LONG){
+ h->mmco[i].short_frame_num= (h->frame_num - get_ue_golomb(&s->gb) - 1) & ((1<<h->sps.log2_max_frame_num)-1); //FIXME fields
+/* if(h->mmco[i].short_frame_num >= h->short_ref_count || h->short_ref[ h->mmco[i].short_frame_num ] == NULL){
+ av_log(s->avctx, AV_LOG_ERROR, "illegal short ref in memory management control operation %d\n", mmco);
+ return -1;
+ }*/
+ }
+ if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){
+ h->mmco[i].long_index= get_ue_golomb(&s->gb);
+ if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ h->mmco[i].long_index >= 16){
+ av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
+ return -1;
+ }
+ }
+
+ if(opcode > MMCO_LONG){
+ av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
+ return -1;
+ }
+ if(opcode == MMCO_END)
+ break;
+ }
+ h->mmco_index= i;
+ }else{
+ assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count);
+
+ if(h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count){ //FIXME fields
+ h->mmco[0].opcode= MMCO_SHORT2UNUSED;
+ h->mmco[0].short_frame_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num;
+ h->mmco_index= 1;
+ }else
+ h->mmco_index= 0;
+ }
+ }
+
+ return 0;
+}
+
+static int init_poc(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int max_frame_num= 1<<h->sps.log2_max_frame_num;
+ int field_poc[2];
+
+ if(h->nal_unit_type == NAL_IDR_SLICE){
+ h->frame_num_offset= 0;
+ }else{
+ if(h->frame_num < h->prev_frame_num)
+ h->frame_num_offset= h->prev_frame_num_offset + max_frame_num;
+ else
+ h->frame_num_offset= h->prev_frame_num_offset;
+ }
+
+ if(h->sps.poc_type==0){
+ const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb;
+
+ if(h->nal_unit_type == NAL_IDR_SLICE){
+ h->prev_poc_msb=
+ h->prev_poc_lsb= 0;
+ }
+
+ if (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2)
+ h->poc_msb = h->prev_poc_msb + max_poc_lsb;
+ else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2)
+ h->poc_msb = h->prev_poc_msb - max_poc_lsb;
+ else
+ h->poc_msb = h->prev_poc_msb;
+//printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
+ field_poc[0] =
+ field_poc[1] = h->poc_msb + h->poc_lsb;
+ if(s->picture_structure == PICT_FRAME)
+ field_poc[1] += h->delta_poc_bottom;
+ }else if(h->sps.poc_type==1){
+ int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
+ int i;
+
+ if(h->sps.poc_cycle_length != 0)
+ abs_frame_num = h->frame_num_offset + h->frame_num;
+ else
+ abs_frame_num = 0;
+
+ if(h->nal_ref_idc==0 && abs_frame_num > 0)
+ abs_frame_num--;
+
+ expected_delta_per_poc_cycle = 0;
+ for(i=0; i < h->sps.poc_cycle_length; i++)
+ expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
+
+ if(abs_frame_num > 0){
+ int poc_cycle_cnt = (abs_frame_num - 1) / h->sps.poc_cycle_length;
+ int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length;
+
+ expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle;
+ for(i = 0; i <= frame_num_in_poc_cycle; i++)
+ expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[ i ];
+ } else
+ expectedpoc = 0;
+
+ if(h->nal_ref_idc == 0)
+ expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic;
+
+ field_poc[0] = expectedpoc + h->delta_poc[0];
+ field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field;
+
+ if(s->picture_structure == PICT_FRAME)
+ field_poc[1] += h->delta_poc[1];
+ }else{
+ int poc;
+ if(h->nal_unit_type == NAL_IDR_SLICE){
+ poc= 0;
+ }else{
+ if(h->nal_ref_idc) poc= 2*(h->frame_num_offset + h->frame_num);
+ else poc= 2*(h->frame_num_offset + h->frame_num) - 1;
+ }
+ field_poc[0]= poc;
+ field_poc[1]= poc;
+ }
+
+ if(s->picture_structure != PICT_BOTTOM_FIELD)
+ s->current_picture_ptr->field_poc[0]= field_poc[0];
+ if(s->picture_structure != PICT_TOP_FIELD)
+ s->current_picture_ptr->field_poc[1]= field_poc[1];
+ if(s->picture_structure == PICT_FRAME) // FIXME field pix?
+ s->current_picture_ptr->poc= FFMIN(field_poc[0], field_poc[1]);
+
+ return 0;
+}
+
+/**
+ * decodes a slice header.
+ * this will allso call MPV_common_init() and frame_start() as needed
+ */
+static int decode_slice_header(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ int first_mb_in_slice, pps_id;
+ int num_ref_idx_active_override_flag;
+ static const uint8_t slice_type_map[5]= {P_TYPE, B_TYPE, I_TYPE, SP_TYPE, SI_TYPE};
+ int slice_type;
+ int default_ref_list_done = 0;
+
+ s->current_picture.reference= h->nal_ref_idc != 0;
+ s->dropable= h->nal_ref_idc == 0;
+
+ first_mb_in_slice= get_ue_golomb(&s->gb);
+
+ slice_type= get_ue_golomb(&s->gb);
+ if(slice_type > 9){
+ av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
+ return -1;
+ }
+ if(slice_type > 4){
+ slice_type -= 5;
+ h->slice_type_fixed=1;
+ }else
+ h->slice_type_fixed=0;
+
+ slice_type= slice_type_map[ slice_type ];
+ if (slice_type == I_TYPE
+ || (h->slice_num != 0 && slice_type == h->slice_type) ) {
+ default_ref_list_done = 1;
+ }
+ h->slice_type= slice_type;
+
+ s->pict_type= h->slice_type; // to make a few old func happy, it's wrong though
+
+ pps_id= get_ue_golomb(&s->gb);
+ if(pps_id>255){
+ av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
+ return -1;
+ }
+ h->pps= h->pps_buffer[pps_id];
+ if(h->pps.slice_group_count == 0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "non existing PPS referenced\n");
+ return -1;
+ }
+
+ h->sps= h->sps_buffer[ h->pps.sps_id ];
+ if(h->sps.log2_max_frame_num == 0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "non existing SPS referenced\n");
+ return -1;
+ }
+
+ if(h->dequant_coeff_pps != pps_id){
+ h->dequant_coeff_pps = pps_id;
+ init_dequant_tables(h);
+ }
+
+ s->mb_width= h->sps.mb_width;
+ s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
+
+ h->b_stride= s->mb_width*4;
+ h->b8_stride= s->mb_width*2;
+
+ s->width = 16*s->mb_width - 2*(h->sps.crop_left + h->sps.crop_right );
+ if(h->sps.frame_mbs_only_flag)
+ s->height= 16*s->mb_height - 2*(h->sps.crop_top + h->sps.crop_bottom);
+ else
+ s->height= 16*s->mb_height - 4*(h->sps.crop_top + h->sps.crop_bottom); //FIXME recheck
+
+ if (s->context_initialized
+ && ( s->width != s->avctx->width || s->height != s->avctx->height)) {
+ free_tables(h);
+ MPV_common_end(s);
+ }
+ if (!s->context_initialized) {
+ if (MPV_common_init(s) < 0)
+ return -1;
+
+ if(s->dsp.h264_idct_add == ff_h264_idct_add_c){ //FIXME little ugly
+ memcpy(h->zigzag_scan, zigzag_scan, 16*sizeof(uint8_t));
+ memcpy(h-> field_scan, field_scan, 16*sizeof(uint8_t));
+ }else{
+ int i;
+ for(i=0; i<16; i++){
+#define T(x) (x>>2) | ((x<<2) & 0xF)
+ h->zigzag_scan[i] = T(zigzag_scan[i]);
+ h-> field_scan[i] = T( field_scan[i]);
+#undef T
+ }
+ }
+ if(s->dsp.h264_idct8_add == ff_h264_idct8_add_c){
+ memcpy(h->zigzag_scan8x8, zigzag_scan8x8, 64*sizeof(uint8_t));
+ memcpy(h->zigzag_scan8x8_cavlc, zigzag_scan8x8_cavlc, 64*sizeof(uint8_t));
+ memcpy(h->field_scan8x8, field_scan8x8, 64*sizeof(uint8_t));
+ memcpy(h->field_scan8x8_cavlc, field_scan8x8_cavlc, 64*sizeof(uint8_t));
+ }else{
+ int i;
+ for(i=0; i<64; i++){
+#define T(x) (x>>3) | ((x&7)<<3)
+ h->zigzag_scan8x8[i] = T(zigzag_scan8x8[i]);
+ h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]);
+ h->field_scan8x8[i] = T(field_scan8x8[i]);
+ h->field_scan8x8_cavlc[i] = T(field_scan8x8_cavlc[i]);
+#undef T
+ }
+ }
+ if(h->sps.transform_bypass){ //FIXME same ugly
+ h->zigzag_scan_q0 = zigzag_scan;
+ h->zigzag_scan8x8_q0 = zigzag_scan8x8;
+ h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
+ h->field_scan_q0 = field_scan;
+ h->field_scan8x8_q0 = field_scan8x8;
+ h->field_scan8x8_cavlc_q0 = field_scan8x8_cavlc;
+ }else{
+ h->zigzag_scan_q0 = h->zigzag_scan;
+ h->zigzag_scan8x8_q0 = h->zigzag_scan8x8;
+ h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
+ h->field_scan_q0 = h->field_scan;
+ h->field_scan8x8_q0 = h->field_scan8x8;
+ h->field_scan8x8_cavlc_q0 = h->field_scan8x8_cavlc;
+ }
+
+ alloc_tables(h);
+
+ s->avctx->width = s->width;
+ s->avctx->height = s->height;
+ s->avctx->sample_aspect_ratio= h->sps.sar;
+ if(!s->avctx->sample_aspect_ratio.den)
+ s->avctx->sample_aspect_ratio.den = 1;
+
+ if(h->sps.timing_info_present_flag){
+ s->avctx->time_base= (AVRational){h->sps.num_units_in_tick * 2, h->sps.time_scale};
+ if(h->x264_build > 0 && h->x264_build < 44)
+ s->avctx->time_base.den *= 2;
+ av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
+ s->avctx->time_base.num, s->avctx->time_base.den, 1<<30);
+ }
+ }
+
+ if(h->slice_num == 0){
+ if(frame_start(h) < 0)
+ return -1;
+ }
+
+ s->current_picture_ptr->frame_num= //FIXME frame_num cleanup
+ h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);
+
+ h->mb_mbaff = 0;
+ h->mb_aff_frame = 0;
+ if(h->sps.frame_mbs_only_flag){
+ s->picture_structure= PICT_FRAME;
+ }else{
+ if(get_bits1(&s->gb)) { //field_pic_flag
+ s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); //bottom_field_flag
+ av_log(h->s.avctx, AV_LOG_ERROR, "PAFF interlacing is not implemented\n");
+ } else {
+ s->picture_structure= PICT_FRAME;
+ h->mb_aff_frame = h->sps.mb_aff;
+ }
+ }
+
+ s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
+ s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << h->mb_aff_frame;
+ if(s->mb_y >= s->mb_height){
+ return -1;
+ }
+
+ if(s->picture_structure==PICT_FRAME){
+ h->curr_pic_num= h->frame_num;
+ h->max_pic_num= 1<< h->sps.log2_max_frame_num;
+ }else{
+ h->curr_pic_num= 2*h->frame_num;
+ h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1);
+ }
+
+ if(h->nal_unit_type == NAL_IDR_SLICE){
+ get_ue_golomb(&s->gb); /* idr_pic_id */
+ }
+
+ if(h->sps.poc_type==0){
+ h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb);
+
+ if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){
+ h->delta_poc_bottom= get_se_golomb(&s->gb);
+ }
+ }
+
+ if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){
+ h->delta_poc[0]= get_se_golomb(&s->gb);
+
+ if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME)
+ h->delta_poc[1]= get_se_golomb(&s->gb);
+ }
+
+ init_poc(h);
+
+ if(h->pps.redundant_pic_cnt_present){
+ h->redundant_pic_count= get_ue_golomb(&s->gb);
+ }
+
+ //set defaults, might be overriden a few line later
+ h->ref_count[0]= h->pps.ref_count[0];
+ h->ref_count[1]= h->pps.ref_count[1];
+
+ if(h->slice_type == P_TYPE || h->slice_type == SP_TYPE || h->slice_type == B_TYPE){
+ if(h->slice_type == B_TYPE){
+ h->direct_spatial_mv_pred= get_bits1(&s->gb);
+ if(h->sps.mb_aff && h->direct_spatial_mv_pred)
+ av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF + spatial direct mode is not implemented\n");
+ }
+ num_ref_idx_active_override_flag= get_bits1(&s->gb);
+
+ if(num_ref_idx_active_override_flag){
+ h->ref_count[0]= get_ue_golomb(&s->gb) + 1;
+ if(h->slice_type==B_TYPE)
+ h->ref_count[1]= get_ue_golomb(&s->gb) + 1;
+
+ if(h->ref_count[0] > 32 || h->ref_count[1] > 32){
+ av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
+ return -1;
+ }
+ }
+ }
+
+ if(!default_ref_list_done){
+ fill_default_ref_list(h);
+ }
+
+ if(decode_ref_pic_list_reordering(h) < 0)
+ return -1;
+
+ if( (h->pps.weighted_pred && (h->slice_type == P_TYPE || h->slice_type == SP_TYPE ))
+ || (h->pps.weighted_bipred_idc==1 && h->slice_type==B_TYPE ) )
+ pred_weight_table(h);
+ else if(h->pps.weighted_bipred_idc==2 && h->slice_type==B_TYPE)
+ implicit_weight_table(h);
+ else
+ h->use_weight = 0;
+
+ if(s->current_picture.reference)
+ decode_ref_pic_marking(h);
+
+ if(FRAME_MBAFF)
+ fill_mbaff_ref_list(h);
+
+ if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE && h->pps.cabac )
+ h->cabac_init_idc = get_ue_golomb(&s->gb);
+
+ h->last_qscale_diff = 0;
+ s->qscale = h->pps.init_qp + get_se_golomb(&s->gb);
+ if(s->qscale<0 || s->qscale>51){
+ av_log(s->avctx, AV_LOG_ERROR, "QP %d out of range\n", s->qscale);
+ return -1;
+ }
+ h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
+ //FIXME qscale / qp ... stuff
+ if(h->slice_type == SP_TYPE){
+ get_bits1(&s->gb); /* sp_for_switch_flag */
+ }
+ if(h->slice_type==SP_TYPE || h->slice_type == SI_TYPE){
+ get_se_golomb(&s->gb); /* slice_qs_delta */
+ }
+
+ h->deblocking_filter = 1;
+ h->slice_alpha_c0_offset = 0;
+ h->slice_beta_offset = 0;
+ if( h->pps.deblocking_filter_parameters_present ) {
+ h->deblocking_filter= get_ue_golomb(&s->gb);
+ if(h->deblocking_filter < 2)
+ h->deblocking_filter^= 1; // 1<->0
+
+ if( h->deblocking_filter ) {
+ h->slice_alpha_c0_offset = get_se_golomb(&s->gb) << 1;
+ h->slice_beta_offset = get_se_golomb(&s->gb) << 1;
+ }
+ }
+ if( s->avctx->skip_loop_filter >= AVDISCARD_ALL
+ ||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type != I_TYPE)
+ ||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR && h->slice_type == B_TYPE)
+ ||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
+ h->deblocking_filter= 0;
+
+#if 0 //FMO
+ if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
+ slice_group_change_cycle= get_bits(&s->gb, ?);
+#endif
+
+ h->slice_num++;
+
+ h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;
+ h->emu_edge_height= FRAME_MBAFF ? 0 : h->emu_edge_width;
+
+ if(s->avctx->debug&FF_DEBUG_PICT_INFO){
+ av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%d frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s\n",
+ h->slice_num,
+ (s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),
+ first_mb_in_slice,
+ av_get_pict_type_char(h->slice_type),
+ pps_id, h->frame_num,
+ s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
+ h->ref_count[0], h->ref_count[1],
+ s->qscale,
+ h->deblocking_filter, h->slice_alpha_c0_offset/2, h->slice_beta_offset/2,
+ h->use_weight,
+ h->use_weight==1 && h->use_weight_chroma ? "c" : ""
+ );
+ }
+
+ if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !s->current_picture.reference){
+ s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;
+ s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;
+ }else{
+ s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab;
+ s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab;
+ }
+
+ return 0;
+}
+
+/**
+ *
+ */
+static inline int get_level_prefix(GetBitContext *gb){
+ unsigned int buf;
+ int log;
+
+ OPEN_READER(re, gb);
+ UPDATE_CACHE(re, gb);
+ buf=GET_CACHE(re, gb);
+
+ log= 32 - av_log2(buf);
+#ifdef TRACE
+ print_bin(buf>>(32-log), log);
+ av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__);
+#endif
+
+ LAST_SKIP_BITS(re, gb, log);
+ CLOSE_READER(re, gb);
+
+ return log-1;
+}
+
+static inline int get_dct8x8_allowed(H264Context *h){
+ int i;
+ for(i=0; i<4; i++){
+ if(!IS_SUB_8X8(h->sub_mb_type[i])
+ || (!h->sps.direct_8x8_inference_flag && IS_DIRECT(h->sub_mb_type[i])))
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * decodes a residual block.
+ * @param n block index
+ * @param scantable scantable
+ * @param max_coeff number of coefficients in the block
+ * @return <0 if an error occured
+ */
+static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff){
+ MpegEncContext * const s = &h->s;
+ static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3};
+ int level[16];
+ int zeros_left, coeff_num, coeff_token, total_coeff, i, j, trailing_ones, run_before;
+
+ //FIXME put trailing_onex into the context
+
+ if(n == CHROMA_DC_BLOCK_INDEX){
+ coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
+ total_coeff= coeff_token>>2;
+ }else{
+ if(n == LUMA_DC_BLOCK_INDEX){
+ total_coeff= pred_non_zero_count(h, 0);
+ coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
+ total_coeff= coeff_token>>2;
+ }else{
+ total_coeff= pred_non_zero_count(h, n);
+ coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
+ total_coeff= coeff_token>>2;
+ h->non_zero_count_cache[ scan8[n] ]= total_coeff;
+ }
+ }
+
+ //FIXME set last_non_zero?
+
+ if(total_coeff==0)
+ return 0;
+
+ trailing_ones= coeff_token&3;
+ tprintf("trailing:%d, total:%d\n", trailing_ones, total_coeff);
+ assert(total_coeff<=16);
+
+ for(i=0; i<trailing_ones; i++){
+ level[i]= 1 - 2*get_bits1(gb);
+ }
+
+ if(i<total_coeff) {
+ int level_code, mask;
+ int suffix_length = total_coeff > 10 && trailing_ones < 3;
+ int prefix= get_level_prefix(gb);
+
+ //first coefficient has suffix_length equal to 0 or 1
+ if(prefix<14){ //FIXME try to build a large unified VLC table for all this
+ if(suffix_length)
+ level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length); //part
+ else
+ level_code= (prefix<<suffix_length); //part
+ }else if(prefix==14){
+ if(suffix_length)
+ level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length); //part
+ else
+ level_code= prefix + get_bits(gb, 4); //part
+ }else if(prefix==15){
+ level_code= (prefix<<suffix_length) + get_bits(gb, 12); //part
+ if(suffix_length==0) level_code+=15; //FIXME doesn't make (much)sense
+ }else{
+ av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+
+ if(trailing_ones < 3) level_code += 2;
+
+ suffix_length = 1;
+ if(level_code > 5)
+ suffix_length++;
+ mask= -(level_code&1);
+ level[i]= (((2+level_code)>>1) ^ mask) - mask;
+ i++;
+
+ //remaining coefficients have suffix_length > 0
+ for(;i<total_coeff;i++) {
+ static const int suffix_limit[7] = {0,5,11,23,47,95,INT_MAX };
+ prefix = get_level_prefix(gb);
+ if(prefix<15){
+ level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length);
+ }else if(prefix==15){
+ level_code = (prefix<<suffix_length) + get_bits(gb, 12);
+ }else{
+ av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+ mask= -(level_code&1);
+ level[i]= (((2+level_code)>>1) ^ mask) - mask;
+ if(level_code > suffix_limit[suffix_length])
+ suffix_length++;
+ }
+ }
+
+ if(total_coeff == max_coeff)
+ zeros_left=0;
+ else{
+ if(n == CHROMA_DC_BLOCK_INDEX)
+ zeros_left= get_vlc2(gb, chroma_dc_total_zeros_vlc[ total_coeff-1 ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
+ else
+ zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff-1 ].table, TOTAL_ZEROS_VLC_BITS, 1);
+ }
+
+ coeff_num = zeros_left + total_coeff - 1;
+ j = scantable[coeff_num];
+ if(n > 24){
+ block[j] = level[0];
+ for(i=1;i<total_coeff;i++) {
+ if(zeros_left <= 0)
+ run_before = 0;
+ else if(zeros_left < 7){
+ run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
+ }else{
+ run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
+ }
+ zeros_left -= run_before;
+ coeff_num -= 1 + run_before;
+ j= scantable[ coeff_num ];
+
+ block[j]= level[i];
+ }
+ }else{
+ block[j] = (level[0] * qmul[j] + 32)>>6;
+ for(i=1;i<total_coeff;i++) {
+ if(zeros_left <= 0)
+ run_before = 0;
+ else if(zeros_left < 7){
+ run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
+ }else{
+ run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
+ }
+ zeros_left -= run_before;
+ coeff_num -= 1 + run_before;
+ j= scantable[ coeff_num ];
+
+ block[j]= (level[i] * qmul[j] + 32)>>6;
+ }
+ }
+
+ if(zeros_left<0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+
+ return 0;
+}
+
+static void predict_field_decoding_flag(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
+ int mb_type = (h->slice_table[mb_xy-1] == h->slice_num)
+ ? s->current_picture.mb_type[mb_xy-1]
+ : (h->slice_table[mb_xy-s->mb_stride] == h->slice_num)
+ ? s->current_picture.mb_type[mb_xy-s->mb_stride]
+ : 0;
+ h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
+}
+
+/**
+ * decodes a P_SKIP or B_SKIP macroblock
+ */
+static void decode_mb_skip(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
+ int mb_type=0;
+
+ memset(h->non_zero_count[mb_xy], 0, 16);
+ memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
+
+ if(MB_FIELD)
+ mb_type|= MB_TYPE_INTERLACED;
+
+ if( h->slice_type == B_TYPE )
+ {
+ // just for fill_caches. pred_direct_motion will set the real mb_type
+ mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP;
+
+ fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
+ pred_direct_motion(h, &mb_type);
+ mb_type|= MB_TYPE_SKIP;
+ }
+ else
+ {
+ int mx, my;
+ mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
+
+ fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
+ pred_pskip_motion(h, &mx, &my);
+ fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
+ fill_rectangle( h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
+ }
+
+ write_back_motion(h, mb_type);
+ s->current_picture.mb_type[mb_xy]= mb_type;
+ s->current_picture.qscale_table[mb_xy]= s->qscale;
+ h->slice_table[ mb_xy ]= h->slice_num;
+ h->prev_mb_skipped= 1;
+}
+
+/**
+ * decodes a macroblock
+ * @returns 0 if ok, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
+ */
+static int decode_mb_cavlc(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
+ int mb_type, partition_count, cbp;
+ int dct8x8_allowed= h->pps.transform_8x8_mode;
+
+ s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?
+
+ tprintf("pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
+ cbp = 0; /* avoid warning. FIXME: find a solution without slowing
+ down the code */
+ if(h->slice_type != I_TYPE && h->slice_type != SI_TYPE){
+ if(s->mb_skip_run==-1)
+ s->mb_skip_run= get_ue_golomb(&s->gb);
+
+ if (s->mb_skip_run--) {
+ if(FRAME_MBAFF && (s->mb_y&1) == 0){
+ if(s->mb_skip_run==0)
+ h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
+ else
+ predict_field_decoding_flag(h);
+ }
+ decode_mb_skip(h);
+ return 0;
+ }
+ }
+ if(FRAME_MBAFF){
+ if( (s->mb_y&1) == 0 )
+ h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
+ }else
+ h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
+
+ h->prev_mb_skipped= 0;
+
+ mb_type= get_ue_golomb(&s->gb);
+ if(h->slice_type == B_TYPE){
+ if(mb_type < 23){
+ partition_count= b_mb_type_info[mb_type].partition_count;
+ mb_type= b_mb_type_info[mb_type].type;
+ }else{
+ mb_type -= 23;
+ goto decode_intra_mb;
+ }
+ }else if(h->slice_type == P_TYPE /*|| h->slice_type == SP_TYPE */){
+ if(mb_type < 5){
+ partition_count= p_mb_type_info[mb_type].partition_count;
+ mb_type= p_mb_type_info[mb_type].type;
+ }else{
+ mb_type -= 5;
+ goto decode_intra_mb;
+ }
+ }else{
+ assert(h->slice_type == I_TYPE);
+decode_intra_mb:
+ if(mb_type > 25){
+ av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y);
+ return -1;
+ }
+ partition_count=0;
+ cbp= i_mb_type_info[mb_type].cbp;
+ h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
+ mb_type= i_mb_type_info[mb_type].type;
+ }
+
+ if(MB_FIELD)
+ mb_type |= MB_TYPE_INTERLACED;
+
+ h->slice_table[ mb_xy ]= h->slice_num;
+
+ if(IS_INTRA_PCM(mb_type)){
+ unsigned int x, y;
+
+ // we assume these blocks are very rare so we dont optimize it
+ align_get_bits(&s->gb);
+
+ // The pixels are stored in the same order as levels in h->mb array.
+ for(y=0; y<16; y++){
+ const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
+ for(x=0; x<16; x++){
+ tprintf("LUMA ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
+ h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= get_bits(&s->gb, 8);
+ }
+ }
+ for(y=0; y<8; y++){
+ const int index= 256 + 4*(y&3) + 32*(y>>2);
+ for(x=0; x<8; x++){
+ tprintf("CHROMA U ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
+ h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
+ }
+ }
+ for(y=0; y<8; y++){
+ const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
+ for(x=0; x<8; x++){
+ tprintf("CHROMA V ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
+ h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
+ }
+ }
+
+ // In deblocking, the quantizer is 0
+ s->current_picture.qscale_table[mb_xy]= 0;
+ h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 0);
+ // All coeffs are present
+ memset(h->non_zero_count[mb_xy], 16, 16);
+
+ s->current_picture.mb_type[mb_xy]= mb_type;
+ return 0;
+ }
+
+ if(MB_MBAFF){
+ h->ref_count[0] <<= 1;
+ h->ref_count[1] <<= 1;
+ }
+
+ fill_caches(h, mb_type, 0);
+
+ //mb_pred
+ if(IS_INTRA(mb_type)){
+// init_top_left_availability(h);
+ if(IS_INTRA4x4(mb_type)){
+ int i;
+ int di = 1;
+ if(dct8x8_allowed && get_bits1(&s->gb)){
+ mb_type |= MB_TYPE_8x8DCT;
+ di = 4;
+ }
+
+// fill_intra4x4_pred_table(h);
+ for(i=0; i<16; i+=di){
+ int mode= pred_intra_mode(h, i);
+
+ if(!get_bits1(&s->gb)){
+ const int rem_mode= get_bits(&s->gb, 3);
+ mode = rem_mode + (rem_mode >= mode);
+ }
+
+ if(di==4)
+ fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
+ else
+ h->intra4x4_pred_mode_cache[ scan8[i] ] = mode;
+ }
+ write_back_intra_pred_mode(h);
+ if( check_intra4x4_pred_mode(h) < 0)
+ return -1;
+ }else{
+ h->intra16x16_pred_mode= check_intra_pred_mode(h, h->intra16x16_pred_mode);
+ if(h->intra16x16_pred_mode < 0)
+ return -1;
+ }
+ h->chroma_pred_mode= get_ue_golomb(&s->gb);
+
+ h->chroma_pred_mode= check_intra_pred_mode(h, h->chroma_pred_mode);
+ if(h->chroma_pred_mode < 0)
+ return -1;
+ }else if(partition_count==4){
+ int i, j, sub_partition_count[4], list, ref[2][4];
+
+ if(h->slice_type == B_TYPE){
+ for(i=0; i<4; i++){
+ h->sub_mb_type[i]= get_ue_golomb(&s->gb);
+ if(h->sub_mb_type[i] >=13){
+ av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %d out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
+ return -1;
+ }
+ sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
+ h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
+ }
+ if( IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1])
+ || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) {
+ pred_direct_motion(h, &mb_type);
+ h->ref_cache[0][scan8[4]] =
+ h->ref_cache[1][scan8[4]] =
+ h->ref_cache[0][scan8[12]] =
+ h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
+ }
+ }else{
+ assert(h->slice_type == P_TYPE || h->slice_type == SP_TYPE); //FIXME SP correct ?
+ for(i=0; i<4; i++){
+ h->sub_mb_type[i]= get_ue_golomb(&s->gb);
+ if(h->sub_mb_type[i] >=4){
+ av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %d out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
+ return -1;
+ }
+ sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
+ h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
+ }
+ }
+
+ for(list=0; list<2; list++){
+ int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
+ if(ref_count == 0) continue;
+ for(i=0; i<4; i++){
+ if(IS_DIRECT(h->sub_mb_type[i])) continue;
+ if(IS_DIR(h->sub_mb_type[i], 0, list)){
+ ref[list][i] = get_te0_golomb(&s->gb, ref_count); //FIXME init to 0 before and skip?
+ }else{
+ //FIXME
+ ref[list][i] = -1;
+ }
+ }
+ }
+
+ if(dct8x8_allowed)
+ dct8x8_allowed = get_dct8x8_allowed(h);
+
+ for(list=0; list<2; list++){
+ const int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
+ if(ref_count == 0) continue;
+
+ for(i=0; i<4; i++){
+ if(IS_DIRECT(h->sub_mb_type[i])) {
+ h->ref_cache[list][ scan8[4*i] ] = h->ref_cache[list][ scan8[4*i]+1 ];
+ continue;
+ }
+ h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]=
+ h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
+
+ if(IS_DIR(h->sub_mb_type[i], 0, list)){
+ const int sub_mb_type= h->sub_mb_type[i];
+ const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
+ for(j=0; j<sub_partition_count[i]; j++){
+ int mx, my;
+ const int index= 4*i + block_width*j;
+ int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
+ pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
+ mx += get_se_golomb(&s->gb);
+ my += get_se_golomb(&s->gb);
+ tprintf("final mv:%d %d\n", mx, my);
+
+ if(IS_SUB_8X8(sub_mb_type)){
+ mv_cache[ 0 ][0]= mv_cache[ 1 ][0]=
+ mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
+ mv_cache[ 0 ][1]= mv_cache[ 1 ][1]=
+ mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
+ }else if(IS_SUB_8X4(sub_mb_type)){
+ mv_cache[ 0 ][0]= mv_cache[ 1 ][0]= mx;
+ mv_cache[ 0 ][1]= mv_cache[ 1 ][1]= my;
+ }else if(IS_SUB_4X8(sub_mb_type)){
+ mv_cache[ 0 ][0]= mv_cache[ 8 ][0]= mx;
+ mv_cache[ 0 ][1]= mv_cache[ 8 ][1]= my;
+ }else{
+ assert(IS_SUB_4X4(sub_mb_type));
+ mv_cache[ 0 ][0]= mx;
+ mv_cache[ 0 ][1]= my;
+ }
+ }
+ }else{
+ uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
+ p[0] = p[1]=
+ p[8] = p[9]= 0;
+ }
+ }
+ }
+ }else if(IS_DIRECT(mb_type)){
+ pred_direct_motion(h, &mb_type);
+ dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
+ }else{
+ int list, mx, my, i;
+ //FIXME we should set ref_idx_l? to 0 if we use that later ...
+ if(IS_16X16(mb_type)){
+ for(list=0; list<2; list++){
+ if(h->ref_count[list]>0){
+ if(IS_DIR(mb_type, 0, list)){
+ const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
+ fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);
+ }else
+ fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (LIST_NOT_USED&0xFF), 1);
+ }
+ }
+ for(list=0; list<2; list++){
+ if(IS_DIR(mb_type, 0, list)){
+ pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
+ mx += get_se_golomb(&s->gb);
+ my += get_se_golomb(&s->gb);
+ tprintf("final mv:%d %d\n", mx, my);
+
+ fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
+ }else
+ fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
+ }
+ }
+ else if(IS_16X8(mb_type)){
+ for(list=0; list<2; list++){
+ if(h->ref_count[list]>0){
+ for(i=0; i<2; i++){
+ if(IS_DIR(mb_type, i, list)){
+ const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
+ fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);
+ }else
+ fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
+ }
+ }
+ }
+ for(list=0; list<2; list++){
+ for(i=0; i<2; i++){
+ if(IS_DIR(mb_type, i, list)){
+ pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
+ mx += get_se_golomb(&s->gb);
+ my += get_se_golomb(&s->gb);
+ tprintf("final mv:%d %d\n", mx, my);
+
+ fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
+ }else
+ fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
+ }
+ }
+ }else{
+ assert(IS_8X16(mb_type));
+ for(list=0; list<2; list++){
+ if(h->ref_count[list]>0){
+ for(i=0; i<2; i++){
+ if(IS_DIR(mb_type, i, list)){ //FIXME optimize
+ const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
+ fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);
+ }else
+ fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
+ }
+ }
+ }
+ for(list=0; list<2; list++){
+ for(i=0; i<2; i++){
+ if(IS_DIR(mb_type, i, list)){
+ pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
+ mx += get_se_golomb(&s->gb);
+ my += get_se_golomb(&s->gb);
+ tprintf("final mv:%d %d\n", mx, my);
+
+ fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
+ }else
+ fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
+ }
+ }
+ }
+ }
+
+ if(IS_INTER(mb_type))
+ write_back_motion(h, mb_type);
+
+ if(!IS_INTRA16x16(mb_type)){
+ cbp= get_ue_golomb(&s->gb);
+ if(cbp > 47){
+ av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%d) at %d %d\n", cbp, s->mb_x, s->mb_y);
+ return -1;
+ }
+
+ if(IS_INTRA4x4(mb_type))
+ cbp= golomb_to_intra4x4_cbp[cbp];
+ else
+ cbp= golomb_to_inter_cbp[cbp];
+ }
+ h->cbp = cbp;
+
+ if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){
+ if(get_bits1(&s->gb))
+ mb_type |= MB_TYPE_8x8DCT;
+ }
+ s->current_picture.mb_type[mb_xy]= mb_type;
+
+ if(cbp || IS_INTRA16x16(mb_type)){
+ int i8x8, i4x4, chroma_idx;
+ int chroma_qp, dquant;
+ GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
+ const uint8_t *scan, *scan8x8, *dc_scan;
+
+// fill_non_zero_count_cache(h);
+
+ if(IS_INTERLACED(mb_type)){
+ scan8x8= s->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;
+ scan= s->qscale ? h->field_scan : h->field_scan_q0;
+ dc_scan= luma_dc_field_scan;
+ }else{
+ scan8x8= s->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;
+ scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
+ dc_scan= luma_dc_zigzag_scan;
+ }
+
+ dquant= get_se_golomb(&s->gb);
+
+ if( dquant > 25 || dquant < -26 ){
+ av_log(h->s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, s->mb_x, s->mb_y);
+ return -1;
+ }
+
+ s->qscale += dquant;
+ if(((unsigned)s->qscale) > 51){
+ if(s->qscale<0) s->qscale+= 52;
+ else s->qscale-= 52;
+ }
+
+ h->chroma_qp= chroma_qp= get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
+ if(IS_INTRA16x16(mb_type)){
+ if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, h->dequant4_coeff[0][s->qscale], 16) < 0){
+ return -1; //FIXME continue if partitioned and other return -1 too
+ }
+
+ assert((cbp&15) == 0 || (cbp&15) == 15);
+
+ if(cbp&15){
+ for(i8x8=0; i8x8<4; i8x8++){
+ for(i4x4=0; i4x4<4; i4x4++){
+ const int index= i4x4 + 4*i8x8;
+ if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 ){
+ return -1;
+ }
+ }
+ }
+ }else{
+ fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
+ }
+ }else{
+ for(i8x8=0; i8x8<4; i8x8++){
+ if(cbp & (1<<i8x8)){
+ if(IS_8x8DCT(mb_type)){
+ DCTELEM *buf = &h->mb[64*i8x8];
+ uint8_t *nnz;
+ for(i4x4=0; i4x4<4; i4x4++){
+ if( decode_residual(h, gb, buf, i4x4+4*i8x8, scan8x8+16*i4x4,
+ h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 16) <0 )
+ return -1;
+ }
+ nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
+ nnz[0] += nnz[1] + nnz[8] + nnz[9];
+ }else{
+ for(i4x4=0; i4x4<4; i4x4++){
+ const int index= i4x4 + 4*i8x8;
+
+ if( decode_residual(h, gb, h->mb + 16*index, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) <0 ){
+ return -1;
+ }
+ }
+ }
+ }else{
+ uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
+ nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
+ }
+ }
+ }
+
+ if(cbp&0x30){
+ for(chroma_idx=0; chroma_idx<2; chroma_idx++)
+ if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, NULL, 4) < 0){
+ return -1;
+ }
+ }
+
+ if(cbp&0x20){
+ for(chroma_idx=0; chroma_idx<2; chroma_idx++){
+ for(i4x4=0; i4x4<4; i4x4++){
+ const int index= 16 + 4*chroma_idx + i4x4;
+ if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][chroma_qp], 15) < 0){
+ return -1;
+ }
+ }
+ }
+ }else{
+ uint8_t * const nnz= &h->non_zero_count_cache[0];
+ nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
+ nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
+ }
+ }else{
+ uint8_t * const nnz= &h->non_zero_count_cache[0];
+ fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
+ nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
+ nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
+ }
+ s->current_picture.qscale_table[mb_xy]= s->qscale;
+ write_back_non_zero_count(h);
+
+ if(MB_MBAFF){
+ h->ref_count[0] >>= 1;
+ h->ref_count[1] >>= 1;
+ }
+
+ return 0;
+}
+
+static int decode_cabac_field_decoding_flag(H264Context *h) {
+ MpegEncContext * const s = &h->s;
+ const int mb_x = s->mb_x;
+ const int mb_y = s->mb_y & ~1;
+ const int mba_xy = mb_x - 1 + mb_y *s->mb_stride;
+ const int mbb_xy = mb_x + (mb_y-2)*s->mb_stride;
+
+ unsigned int ctx = 0;
+
+ if( h->slice_table[mba_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) {
+ ctx += 1;
+ }
+ if( h->slice_table[mbb_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) {
+ ctx += 1;
+ }
+
+ return get_cabac_noinline( &h->cabac, &h->cabac_state[70 + ctx] );
+}
+
+static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
+ uint8_t *state= &h->cabac_state[ctx_base];
+ int mb_type;
+
+ if(intra_slice){
+ MpegEncContext * const s = &h->s;
+ const int mba_xy = h->left_mb_xy[0];
+ const int mbb_xy = h->top_mb_xy;
+ int ctx=0;
+ if( h->slice_table[mba_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mba_xy] ) )
+ ctx++;
+ if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) )
+ ctx++;
+ if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
+ return 0; /* I4x4 */
+ state += 2;
+ }else{
+ if( get_cabac_noinline( &h->cabac, &state[0] ) == 0 )
+ return 0; /* I4x4 */
+ }
+
+ if( get_cabac_terminate( &h->cabac ) )
+ return 25; /* PCM */
+
+ mb_type = 1; /* I16x16 */
+ mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
+ if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
+ mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
+ mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
+ mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
+ return mb_type;
+}
+
+static int decode_cabac_mb_type( H264Context *h ) {
+ MpegEncContext * const s = &h->s;
+
+ if( h->slice_type == I_TYPE ) {
+ return decode_cabac_intra_mb_type(h, 3, 1);
+ } else if( h->slice_type == P_TYPE ) {
+ if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
+ /* P-type */
+ if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
+ /* P_L0_D16x16, P_8x8 */
+ return 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
+ } else {
+ /* P_L0_D8x16, P_L0_D16x8 */
+ return 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
+ }
+ } else {
+ return decode_cabac_intra_mb_type(h, 17, 0) + 5;
+ }
+ } else if( h->slice_type == B_TYPE ) {
+ const int mba_xy = h->left_mb_xy[0];
+ const int mbb_xy = h->top_mb_xy;
+ int ctx = 0;
+ int bits;
+
+ if( h->slice_table[mba_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) )
+ ctx++;
+ if( h->slice_table[mbb_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
+ ctx++;
+
+ if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) )
+ return 0; /* B_Direct_16x16 */
+
+ if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
+ return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
+ }
+
+ bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
+ bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
+ bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
+ bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
+ if( bits < 8 )
+ return bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
+ else if( bits == 13 ) {
+ return decode_cabac_intra_mb_type(h, 32, 0) + 23;
+ } else if( bits == 14 )
+ return 11; /* B_L1_L0_8x16 */
+ else if( bits == 15 )
+ return 22; /* B_8x8 */
+
+ bits= ( bits<<1 ) | get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
+ return bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
+ } else {
+ /* TODO SI/SP frames? */
+ return -1;
+ }
+}
+
+static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
+ MpegEncContext * const s = &h->s;
+ int mba_xy, mbb_xy;
+ int ctx = 0;
+
+ if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
+ int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
+ mba_xy = mb_xy - 1;
+ if( (mb_y&1)
+ && h->slice_table[mba_xy] == h->slice_num
+ && MB_FIELD == !!IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) )
+ mba_xy += s->mb_stride;
+ if( MB_FIELD ){
+ mbb_xy = mb_xy - s->mb_stride;
+ if( !(mb_y&1)
+ && h->slice_table[mbb_xy] == h->slice_num
+ && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) )
+ mbb_xy -= s->mb_stride;
+ }else
+ mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
+ }else{
+ int mb_xy = mb_x + mb_y*s->mb_stride;
+ mba_xy = mb_xy - 1;
+ mbb_xy = mb_xy - s->mb_stride;
+ }
+
+ if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] ))
+ ctx++;
+ if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] ))
+ ctx++;
+
+ if( h->slice_type == B_TYPE )
+ ctx += 13;
+ return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
+}
+
+static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
+ int mode = 0;
+
+ if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
+ return pred_mode;
+
+ mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
+ mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
+ mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
+
+ if( mode >= pred_mode )
+ return mode + 1;
+ else
+ return mode;
+}
+
+static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
+ const int mba_xy = h->left_mb_xy[0];
+ const int mbb_xy = h->top_mb_xy;
+
+ int ctx = 0;
+
+ /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
+ if( h->slice_table[mba_xy] == h->slice_num && h->chroma_pred_mode_table[mba_xy] != 0 )
+ ctx++;
+
+ if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 )
+ ctx++;
+
+ if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
+ return 0;
+
+ if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
+ return 1;
+ if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
+ return 2;
+ else
+ return 3;
+}
+
+static const uint8_t block_idx_x[16] = {
+ 0, 1, 0, 1, 2, 3, 2, 3, 0, 1, 0, 1, 2, 3, 2, 3
+};
+static const uint8_t block_idx_y[16] = {
+ 0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3
+};
+static const uint8_t block_idx_xy[4][4] = {
+ { 0, 2, 8, 10},
+ { 1, 3, 9, 11},
+ { 4, 6, 12, 14},
+ { 5, 7, 13, 15}
+};
+
+static int decode_cabac_mb_cbp_luma( H264Context *h) {
+ int cbp = 0;
+ int cbp_b = -1;
+ int i8x8;
+
+ if( h->slice_table[h->top_mb_xy] == h->slice_num ) {
+ cbp_b = h->top_cbp;
+ tprintf("cbp_b = top_cbp = %x\n", cbp_b);
+ }
+
+ for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
+ int cbp_a = -1;
+ int x, y;
+ int ctx = 0;
+
+ x = block_idx_x[4*i8x8];
+ y = block_idx_y[4*i8x8];
+
+ if( x > 0 )
+ cbp_a = cbp;
+ else if( h->slice_table[h->left_mb_xy[0]] == h->slice_num ) {
+ cbp_a = h->left_cbp;
+ tprintf("cbp_a = left_cbp = %x\n", cbp_a);
+ }
+
+ if( y > 0 )
+ cbp_b = cbp;
+
+ /* No need to test for skip as we put 0 for skip block */
+ /* No need to test for IPCM as we put 1 for IPCM block */
+ if( cbp_a >= 0 ) {
+ int i8x8a = block_idx_xy[(x-1)&0x03][y]/4;
+ if( ((cbp_a >> i8x8a)&0x01) == 0 )
+ ctx++;
+ }
+
+ if( cbp_b >= 0 ) {
+ int i8x8b = block_idx_xy[x][(y-1)&0x03]/4;
+ if( ((cbp_b >> i8x8b)&0x01) == 0 )
+ ctx += 2;
+ }
+
+ if( get_cabac( &h->cabac, &h->cabac_state[73 + ctx] ) ) {
+ cbp |= 1 << i8x8;
+ }
+ }
+ return cbp;
+}
+static int decode_cabac_mb_cbp_chroma( H264Context *h) {
+ int ctx;
+ int cbp_a, cbp_b;
+
+ cbp_a = (h->left_cbp>>4)&0x03;
+ cbp_b = (h-> top_cbp>>4)&0x03;
+
+ ctx = 0;
+ if( cbp_a > 0 ) ctx++;
+ if( cbp_b > 0 ) ctx += 2;
+ if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
+ return 0;
+
+ ctx = 4;
+ if( cbp_a == 2 ) ctx++;
+ if( cbp_b == 2 ) ctx += 2;
+ return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
+}
+static int decode_cabac_mb_dqp( H264Context *h) {
+ MpegEncContext * const s = &h->s;
+ int mbn_xy;
+ int ctx = 0;
+ int val = 0;
+
+ if( s->mb_x > 0 )
+ mbn_xy = s->mb_x + s->mb_y*s->mb_stride - 1;
+ else
+ mbn_xy = s->mb_width - 1 + (s->mb_y-1)*s->mb_stride;
+
+ if( h->last_qscale_diff != 0 )
+ ctx++;
+
+ while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
+ if( ctx < 2 )
+ ctx = 2;
+ else
+ ctx = 3;
+ val++;
+ if(val > 102) //prevent infinite loop
+ return INT_MIN;
+ }
+
+ if( val&0x01 )
+ return (val + 1)/2;
+ else
+ return -(val + 1)/2;
+}
+static int decode_cabac_p_mb_sub_type( H264Context *h ) {
+ if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
+ return 0; /* 8x8 */
+ if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
+ return 1; /* 8x4 */
+ if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
+ return 2; /* 4x8 */
+ return 3; /* 4x4 */
+}
+static int decode_cabac_b_mb_sub_type( H264Context *h ) {
+ int type;
+ if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
+ return 0; /* B_Direct_8x8 */
+ if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
+ return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
+ type = 3;
+ if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
+ if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
+ return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
+ type += 4;
+ }
+ type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
+ type += get_cabac( &h->cabac, &h->cabac_state[39] );
+ return type;
+}
+
+static inline int decode_cabac_mb_transform_size( H264Context *h ) {
+ return get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
+}
+
+static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
+ int refa = h->ref_cache[list][scan8[n] - 1];
+ int refb = h->ref_cache[list][scan8[n] - 8];
+ int ref = 0;
+ int ctx = 0;
+
+ if( h->slice_type == B_TYPE) {
+ if( refa > 0 && !h->direct_cache[scan8[n] - 1] )
+ ctx++;
+ if( refb > 0 && !h->direct_cache[scan8[n] - 8] )
+ ctx += 2;
+ } else {
+ if( refa > 0 )
+ ctx++;
+ if( refb > 0 )
+ ctx += 2;
+ }
+
+ while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
+ ref++;
+ if( ctx < 4 )
+ ctx = 4;
+ else
+ ctx = 5;
+ }
+ return ref;
+}
+
+static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) {
+ int amvd = abs( h->mvd_cache[list][scan8[n] - 1][l] ) +
+ abs( h->mvd_cache[list][scan8[n] - 8][l] );
+ int ctxbase = (l == 0) ? 40 : 47;
+ int ctx, mvd;
+
+ if( amvd < 3 )
+ ctx = 0;
+ else if( amvd > 32 )
+ ctx = 2;
+ else
+ ctx = 1;
+
+ if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+ctx]))
+ return 0;
+
+ mvd= 1;
+ ctx= 3;
+ while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase+ctx] ) ) {
+ mvd++;
+ if( ctx < 6 )
+ ctx++;
+ }
+
+ if( mvd >= 9 ) {
+ int k = 3;
+ while( get_cabac_bypass( &h->cabac ) ) {
+ mvd += 1 << k;
+ k++;
+ }
+ while( k-- ) {
+ if( get_cabac_bypass( &h->cabac ) )
+ mvd += 1 << k;
+ }
+ }
+ return get_cabac_bypass_sign( &h->cabac, -mvd );
+}
+
+static int inline get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
+ int nza, nzb;
+ int ctx = 0;
+
+ if( cat == 0 ) {
+ nza = h->left_cbp&0x100;
+ nzb = h-> top_cbp&0x100;
+ } else if( cat == 1 || cat == 2 ) {
+ nza = h->non_zero_count_cache[scan8[idx] - 1];
+ nzb = h->non_zero_count_cache[scan8[idx] - 8];
+ } else if( cat == 3 ) {
+ nza = (h->left_cbp>>(6+idx))&0x01;
+ nzb = (h-> top_cbp>>(6+idx))&0x01;
+ } else {
+ assert(cat == 4);
+ nza = h->non_zero_count_cache[scan8[16+idx] - 1];
+ nzb = h->non_zero_count_cache[scan8[16+idx] - 8];
+ }
+
+ if( nza > 0 )
+ ctx++;
+
+ if( nzb > 0 )
+ ctx += 2;
+
+ return ctx + 4 * cat;
+}
+
+static const __attribute((used)) uint8_t last_coeff_flag_offset_8x8[63] = {
+ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
+ 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
+};
+
+static int decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff) {
+ const int mb_xy = h->s.mb_x + h->s.mb_y*h->s.mb_stride;
+ static const int significant_coeff_flag_offset[2][6] = {
+ { 105+0, 105+15, 105+29, 105+44, 105+47, 402 },
+ { 277+0, 277+15, 277+29, 277+44, 277+47, 436 }
+ };
+ static const int last_coeff_flag_offset[2][6] = {
+ { 166+0, 166+15, 166+29, 166+44, 166+47, 417 },
+ { 338+0, 338+15, 338+29, 338+44, 338+47, 451 }
+ };
+ static const int coeff_abs_level_m1_offset[6] = {
+ 227+0, 227+10, 227+20, 227+30, 227+39, 426
+ };
+ static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
+ { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
+ 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
+ 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
+ 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
+ { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
+ 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
+ 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
+ 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
+ };
+
+ int index[64];
+
+ int last;
+ int coeff_count = 0;
+
+ int abslevel1 = 1;
+ int abslevelgt1 = 0;
+
+ uint8_t *significant_coeff_ctx_base;
+ uint8_t *last_coeff_ctx_base;
+ uint8_t *abs_level_m1_ctx_base;
+
+#ifndef ARCH_X86
+#define CABAC_ON_STACK
+#endif
+#ifdef CABAC_ON_STACK
+#define CC &cc
+ CABACContext cc;
+ cc.range = h->cabac.range;
+ cc.low = h->cabac.low;
+ cc.bytestream= h->cabac.bytestream;
+#else
+#define CC &h->cabac
+#endif
+
+
+ /* cat: 0-> DC 16x16 n = 0
+ * 1-> AC 16x16 n = luma4x4idx
+ * 2-> Luma4x4 n = luma4x4idx
+ * 3-> DC Chroma n = iCbCr
+ * 4-> AC Chroma n = 4 * iCbCr + chroma4x4idx
+ * 5-> Luma8x8 n = 4 * luma8x8idx
+ */
+
+ /* read coded block flag */
+ if( cat != 5 ) {
+ if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n ) ] ) == 0 ) {
+ if( cat == 1 || cat == 2 )
+ h->non_zero_count_cache[scan8[n]] = 0;
+ else if( cat == 4 )
+ h->non_zero_count_cache[scan8[16+n]] = 0;
+#ifdef CABAC_ON_STACK
+ h->cabac.range = cc.range ;
+ h->cabac.low = cc.low ;
+ h->cabac.bytestream= cc.bytestream;
+#endif
+ return 0;
+ }
+ }
+
+ significant_coeff_ctx_base = h->cabac_state
+ + significant_coeff_flag_offset[MB_FIELD][cat];
+ last_coeff_ctx_base = h->cabac_state
+ + last_coeff_flag_offset[MB_FIELD][cat];
+ abs_level_m1_ctx_base = h->cabac_state
+ + coeff_abs_level_m1_offset[cat];
+
+ if( cat == 5 ) {
+#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
+ for(last= 0; last < coefs; last++) { \
+ uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
+ if( get_cabac( CC, sig_ctx )) { \
+ uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
+ index[coeff_count++] = last; \
+ if( get_cabac( CC, last_ctx ) ) { \
+ last= max_coeff; \
+ break; \
+ } \
+ } \
+ }\
+ if( last == max_coeff -1 ) {\
+ index[coeff_count++] = last;\
+ }
+ const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
+#if defined(ARCH_X86) && !(defined(PIC) && defined(__GNUC__))
+ coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off);
+ } else {
+ coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index);
+#else
+ DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );
+ } else {
+ DECODE_SIGNIFICANCE( max_coeff - 1, last, last );
+#endif
+ }
+ assert(coeff_count > 0);
+
+ if( cat == 0 )
+ h->cbp_table[mb_xy] |= 0x100;
+ else if( cat == 1 || cat == 2 )
+ h->non_zero_count_cache[scan8[n]] = coeff_count;
+ else if( cat == 3 )
+ h->cbp_table[mb_xy] |= 0x40 << n;
+ else if( cat == 4 )
+ h->non_zero_count_cache[scan8[16+n]] = coeff_count;
+ else {
+ assert( cat == 5 );
+ fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
+ }
+
+ for( coeff_count--; coeff_count >= 0; coeff_count-- ) {
+ uint8_t *ctx = (abslevelgt1 != 0 ? 0 : FFMIN( 4, abslevel1 )) + abs_level_m1_ctx_base;
+ int j= scantable[index[coeff_count]];
+
+ if( get_cabac( CC, ctx ) == 0 ) {
+ if( !qmul ) {
+ block[j] = get_cabac_bypass_sign( CC, -1);
+ }else{
+ block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6;;
+ }
+
+ abslevel1++;
+ } else {
+ int coeff_abs = 2;
+ ctx = 5 + FFMIN( 4, abslevelgt1 ) + abs_level_m1_ctx_base;
+ while( coeff_abs < 15 && get_cabac( CC, ctx ) ) {
+ coeff_abs++;
+ }
+
+ if( coeff_abs >= 15 ) {
+ int j = 0;
+ while( get_cabac_bypass( CC ) ) {
+ j++;
+ }
+
+ coeff_abs=1;
+ while( j-- ) {
+ coeff_abs += coeff_abs + get_cabac_bypass( CC );
+ }
+ coeff_abs+= 14;
+ }
+
+ if( !qmul ) {
+ if( get_cabac_bypass( CC ) ) block[j] = -coeff_abs;
+ else block[j] = coeff_abs;
+ }else{
+ if( get_cabac_bypass( CC ) ) block[j] = (-coeff_abs * qmul[j] + 32) >> 6;
+ else block[j] = ( coeff_abs * qmul[j] + 32) >> 6;
+ }
+
+ abslevelgt1++;
+ }
+ }
+#ifdef CABAC_ON_STACK
+ h->cabac.range = cc.range ;
+ h->cabac.low = cc.low ;
+ h->cabac.bytestream= cc.bytestream;
+#endif
+ return 0;
+}
+
+static void inline compute_mb_neighbors(H264Context *h)
+{
+ MpegEncContext * const s = &h->s;
+ const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
+ h->top_mb_xy = mb_xy - s->mb_stride;
+ h->left_mb_xy[0] = mb_xy - 1;
+ if(FRAME_MBAFF){
+ const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
+ const int top_pair_xy = pair_xy - s->mb_stride;
+ const int top_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
+ const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
+ const int curr_mb_frame_flag = !MB_FIELD;
+ const int bottom = (s->mb_y & 1);
+ if (bottom
+ ? !curr_mb_frame_flag // bottom macroblock
+ : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
+ ) {
+ h->top_mb_xy -= s->mb_stride;
+ }
+ if (left_mb_frame_flag != curr_mb_frame_flag) {
+ h->left_mb_xy[0] = pair_xy - 1;
+ }
+ }
+ return;
+}
+
+/**
+ * decodes a macroblock
+ * @returns 0 if ok, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
+ */
+static int decode_mb_cabac(H264Context *h) {
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
+ int mb_type, partition_count, cbp = 0;
+ int dct8x8_allowed= h->pps.transform_8x8_mode;
+
+ s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?)
+
+ tprintf("pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
+ if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE ) {
+ int skip;
+ /* a skipped mb needs the aff flag from the following mb */
+ if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )
+ predict_field_decoding_flag(h);
+ if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
+ skip = h->next_mb_skipped;
+ else
+ skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
+ /* read skip flags */
+ if( skip ) {
+ if( FRAME_MBAFF && (s->mb_y&1)==0 ){
+ s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;
+ h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
+ if(h->next_mb_skipped)
+ predict_field_decoding_flag(h);
+ else
+ h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
+ }
+
+ decode_mb_skip(h);
+
+ h->cbp_table[mb_xy] = 0;
+ h->chroma_pred_mode_table[mb_xy] = 0;
+ h->last_qscale_diff = 0;
+
+ return 0;
+
+ }
+ }
+ if(FRAME_MBAFF){
+ if( (s->mb_y&1) == 0 )
+ h->mb_mbaff =
+ h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
+ }else
+ h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
+
+ h->prev_mb_skipped = 0;
+
+ compute_mb_neighbors(h);
+ if( ( mb_type = decode_cabac_mb_type( h ) ) < 0 ) {
+ av_log( h->s.avctx, AV_LOG_ERROR, "decode_cabac_mb_type failed\n" );
+ return -1;
+ }
+
+ if( h->slice_type == B_TYPE ) {
+ if( mb_type < 23 ){
+ partition_count= b_mb_type_info[mb_type].partition_count;
+ mb_type= b_mb_type_info[mb_type].type;
+ }else{
+ mb_type -= 23;
+ goto decode_intra_mb;
+ }
+ } else if( h->slice_type == P_TYPE ) {
+ if( mb_type < 5) {
+ partition_count= p_mb_type_info[mb_type].partition_count;
+ mb_type= p_mb_type_info[mb_type].type;
+ } else {
+ mb_type -= 5;
+ goto decode_intra_mb;
+ }
+ } else {
+ assert(h->slice_type == I_TYPE);
+decode_intra_mb:
+ partition_count = 0;
+ cbp= i_mb_type_info[mb_type].cbp;
+ h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
+ mb_type= i_mb_type_info[mb_type].type;
+ }
+ if(MB_FIELD)
+ mb_type |= MB_TYPE_INTERLACED;
+
+ h->slice_table[ mb_xy ]= h->slice_num;
+
+ if(IS_INTRA_PCM(mb_type)) {
+ const uint8_t *ptr;
+ unsigned int x, y;
+
+ // We assume these blocks are very rare so we dont optimize it.
+ // FIXME The two following lines get the bitstream position in the cabac
+ // decode, I think it should be done by a function in cabac.h (or cabac.c).
+ ptr= h->cabac.bytestream;
+ if (h->cabac.low&0x1) ptr-=CABAC_BITS/8;
+
+ // The pixels are stored in the same order as levels in h->mb array.
+ for(y=0; y<16; y++){
+ const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
+ for(x=0; x<16; x++){
+ tprintf("LUMA ICPM LEVEL (%3d)\n", *ptr);
+ h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= *ptr++;
+ }
+ }
+ for(y=0; y<8; y++){
+ const int index= 256 + 4*(y&3) + 32*(y>>2);
+ for(x=0; x<8; x++){
+ tprintf("CHROMA U ICPM LEVEL (%3d)\n", *ptr);
+ h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
+ }
+ }
+ for(y=0; y<8; y++){
+ const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
+ for(x=0; x<8; x++){
+ tprintf("CHROMA V ICPM LEVEL (%3d)\n", *ptr);
+ h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
+ }
+ }
+
+ ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
+
+ // All blocks are present
+ h->cbp_table[mb_xy] = 0x1ef;
+ h->chroma_pred_mode_table[mb_xy] = 0;
+ // In deblocking, the quantizer is 0
+ s->current_picture.qscale_table[mb_xy]= 0;
+ h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 0);
+ // All coeffs are present
+ memset(h->non_zero_count[mb_xy], 16, 16);
+ s->current_picture.mb_type[mb_xy]= mb_type;
+ return 0;
+ }
+
+ if(MB_MBAFF){
+ h->ref_count[0] <<= 1;
+ h->ref_count[1] <<= 1;
+ }
+
+ fill_caches(h, mb_type, 0);
+
+ if( IS_INTRA( mb_type ) ) {
+ int i;
+ if( IS_INTRA4x4( mb_type ) ) {
+ if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {
+ mb_type |= MB_TYPE_8x8DCT;
+ for( i = 0; i < 16; i+=4 ) {
+ int pred = pred_intra_mode( h, i );
+ int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
+ fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
+ }
+ } else {
+ for( i = 0; i < 16; i++ ) {
+ int pred = pred_intra_mode( h, i );
+ h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
+
+ //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
+ }
+ }
+ write_back_intra_pred_mode(h);
+ if( check_intra4x4_pred_mode(h) < 0 ) return -1;
+ } else {
+ h->intra16x16_pred_mode= check_intra_pred_mode( h, h->intra16x16_pred_mode );
+ if( h->intra16x16_pred_mode < 0 ) return -1;
+ }
+ h->chroma_pred_mode_table[mb_xy] =
+ h->chroma_pred_mode = decode_cabac_mb_chroma_pre_mode( h );
+
+ h->chroma_pred_mode= check_intra_pred_mode( h, h->chroma_pred_mode );
+ if( h->chroma_pred_mode < 0 ) return -1;
+ } else if( partition_count == 4 ) {
+ int i, j, sub_partition_count[4], list, ref[2][4];
+
+ if( h->slice_type == B_TYPE ) {
+ for( i = 0; i < 4; i++ ) {
+ h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
+ sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
+ h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
+ }
+ if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
+ h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
+ pred_direct_motion(h, &mb_type);
+ if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
+ for( i = 0; i < 4; i++ )
+ if( IS_DIRECT(h->sub_mb_type[i]) )
+ fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );
+ }
+ }
+ } else {
+ for( i = 0; i < 4; i++ ) {
+ h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
+ sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
+ h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
+ }
+ }
+
+ for( list = 0; list < 2; list++ ) {
+ if( h->ref_count[list] > 0 ) {
+ for( i = 0; i < 4; i++ ) {
+ if(IS_DIRECT(h->sub_mb_type[i])) continue;
+ if(IS_DIR(h->sub_mb_type[i], 0, list)){
+ if( h->ref_count[list] > 1 )
+ ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
+ else
+ ref[list][i] = 0;
+ } else {
+ ref[list][i] = -1;
+ }
+ h->ref_cache[list][ scan8[4*i]+1 ]=
+ h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
+ }
+ }
+ }
+
+ if(dct8x8_allowed)
+ dct8x8_allowed = get_dct8x8_allowed(h);
+
+ for(list=0; list<2; list++){
+ for(i=0; i<4; i++){
+ if(IS_DIRECT(h->sub_mb_type[i])){
+ fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
+ continue;
+ }
+ h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
+
+ if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
+ const int sub_mb_type= h->sub_mb_type[i];
+ const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
+ for(j=0; j<sub_partition_count[i]; j++){
+ int mpx, mpy;
+ int mx, my;
+ const int index= 4*i + block_width*j;
+ int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
+ int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
+ pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);
+
+ mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );
+ my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );
+ tprintf("final mv:%d %d\n", mx, my);
+
+ if(IS_SUB_8X8(sub_mb_type)){
+ mv_cache[ 0 ][0]= mv_cache[ 1 ][0]=
+ mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
+ mv_cache[ 0 ][1]= mv_cache[ 1 ][1]=
+ mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
+
+ mvd_cache[ 0 ][0]= mvd_cache[ 1 ][0]=
+ mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;
+ mvd_cache[ 0 ][1]= mvd_cache[ 1 ][1]=
+ mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;
+ }else if(IS_SUB_8X4(sub_mb_type)){
+ mv_cache[ 0 ][0]= mv_cache[ 1 ][0]= mx;
+ mv_cache[ 0 ][1]= mv_cache[ 1 ][1]= my;
+
+ mvd_cache[ 0 ][0]= mvd_cache[ 1 ][0]= mx- mpx;
+ mvd_cache[ 0 ][1]= mvd_cache[ 1 ][1]= my - mpy;
+ }else if(IS_SUB_4X8(sub_mb_type)){
+ mv_cache[ 0 ][0]= mv_cache[ 8 ][0]= mx;
+ mv_cache[ 0 ][1]= mv_cache[ 8 ][1]= my;
+
+ mvd_cache[ 0 ][0]= mvd_cache[ 8 ][0]= mx - mpx;
+ mvd_cache[ 0 ][1]= mvd_cache[ 8 ][1]= my - mpy;
+ }else{
+ assert(IS_SUB_4X4(sub_mb_type));
+ mv_cache[ 0 ][0]= mx;
+ mv_cache[ 0 ][1]= my;
+
+ mvd_cache[ 0 ][0]= mx - mpx;
+ mvd_cache[ 0 ][1]= my - mpy;
+ }
+ }
+ }else{
+ uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
+ uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];
+ p[0] = p[1] = p[8] = p[9] = 0;
+ pd[0]= pd[1]= pd[8]= pd[9]= 0;
+ }
+ }
+ }
+ } else if( IS_DIRECT(mb_type) ) {
+ pred_direct_motion(h, &mb_type);
+ fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
+ fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
+ dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
+ } else {
+ int list, mx, my, i, mpx, mpy;
+ if(IS_16X16(mb_type)){
+ for(list=0; list<2; list++){
+ if(IS_DIR(mb_type, 0, list)){
+ if(h->ref_count[list] > 0 ){
+ const int ref = h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 0 ) : 0;
+ fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
+ }
+ }else
+ fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
+ }
+ for(list=0; list<2; list++){
+ if(IS_DIR(mb_type, 0, list)){
+ pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);
+
+ mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );
+ my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );
+ tprintf("final mv:%d %d\n", mx, my);
+
+ fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
+ fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
+ }else
+ fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
+ }
+ }
+ else if(IS_16X8(mb_type)){
+ for(list=0; list<2; list++){
+ if(h->ref_count[list]>0){
+ for(i=0; i<2; i++){
+ if(IS_DIR(mb_type, i, list)){
+ const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 8*i ) : 0;
+ fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
+ }else
+ fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
+ }
+ }
+ }
+ for(list=0; list<2; list++){
+ for(i=0; i<2; i++){
+ if(IS_DIR(mb_type, i, list)){
+ pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);
+ mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );
+ my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );
+ tprintf("final mv:%d %d\n", mx, my);
+
+ fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);
+ fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
+ }else{
+ fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
+ fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
+ }
+ }
+ }
+ }else{
+ assert(IS_8X16(mb_type));
+ for(list=0; list<2; list++){
+ if(h->ref_count[list]>0){
+ for(i=0; i<2; i++){
+ if(IS_DIR(mb_type, i, list)){ //FIXME optimize
+ const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 4*i ) : 0;
+ fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
+ }else
+ fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
+ }
+ }
+ }
+ for(list=0; list<2; list++){
+ for(i=0; i<2; i++){
+ if(IS_DIR(mb_type, i, list)){
+ pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);
+ mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );
+ my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );
+
+ tprintf("final mv:%d %d\n", mx, my);
+ fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
+ fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
+ }else{
+ fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
+ fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
+ }
+ }
+ }
+ }
+ }
+
+ if( IS_INTER( mb_type ) ) {
+ h->chroma_pred_mode_table[mb_xy] = 0;
+ write_back_motion( h, mb_type );
+ }
+
+ if( !IS_INTRA16x16( mb_type ) ) {
+ cbp = decode_cabac_mb_cbp_luma( h );
+ cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
+ }
+
+ h->cbp_table[mb_xy] = h->cbp = cbp;
+
+ if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
+ if( decode_cabac_mb_transform_size( h ) )
+ mb_type |= MB_TYPE_8x8DCT;
+ }
+ s->current_picture.mb_type[mb_xy]= mb_type;
+
+ if( cbp || IS_INTRA16x16( mb_type ) ) {
+ const uint8_t *scan, *scan8x8, *dc_scan;
+ int dqp;
+
+ if(IS_INTERLACED(mb_type)){
+ scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
+ scan= s->qscale ? h->field_scan : h->field_scan_q0;
+ dc_scan= luma_dc_field_scan;
+ }else{
+ scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
+ scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
+ dc_scan= luma_dc_zigzag_scan;
+ }
+
+ h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );
+ if( dqp == INT_MIN ){
+ av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+ s->qscale += dqp;
+ if(((unsigned)s->qscale) > 51){
+ if(s->qscale<0) s->qscale+= 52;
+ else s->qscale-= 52;
+ }
+ h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
+
+ if( IS_INTRA16x16( mb_type ) ) {
+ int i;
+ //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
+ if( decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16) < 0)
+ return -1;
+ if( cbp&15 ) {
+ for( i = 0; i < 16; i++ ) {
+ //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i );
+ if( decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 )
+ return -1;
+ }
+ } else {
+ fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
+ }
+ } else {
+ int i8x8, i4x4;
+ for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
+ if( cbp & (1<<i8x8) ) {
+ if( IS_8x8DCT(mb_type) ) {
+ if( decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
+ scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64) < 0 )
+ return -1;
+ } else
+ for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
+ const int index = 4*i8x8 + i4x4;
+ //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
+//START_TIMER
+ if( decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) < 0 )
+ return -1;
+//STOP_TIMER("decode_residual")
+ }
+ } else {
+ uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
+ nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
+ }
+ }
+ }
+
+ if( cbp&0x30 ){
+ int c;
+ for( c = 0; c < 2; c++ ) {
+ //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
+ if( decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4) < 0)
+ return -1;
+ }
+ }
+
+ if( cbp&0x20 ) {
+ int c, i;
+ for( c = 0; c < 2; c++ ) {
+ for( i = 0; i < 4; i++ ) {
+ const int index = 16 + 4 * c + i;
+ //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
+ if( decode_cabac_residual(h, h->mb + 16*index, 4, index - 16, scan + 1, h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp], 15) < 0)
+ return -1;
+ }
+ }
+ } else {
+ uint8_t * const nnz= &h->non_zero_count_cache[0];
+ nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
+ nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
+ }
+ } else {
+ uint8_t * const nnz= &h->non_zero_count_cache[0];
+ fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
+ nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
+ nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
+ h->last_qscale_diff = 0;
+ }
+
+ s->current_picture.qscale_table[mb_xy]= s->qscale;
+ write_back_non_zero_count(h);
+
+ if(MB_MBAFF){
+ h->ref_count[0] >>= 1;
+ h->ref_count[1] >>= 1;
+ }
+
+ return 0;
+}
+
+
+static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
+ int i, d;
+ const int index_a = qp + h->slice_alpha_c0_offset;
+ const int alpha = (alpha_table+52)[index_a];
+ const int beta = (beta_table+52)[qp + h->slice_beta_offset];
+
+ if( bS[0] < 4 ) {
+ int8_t tc[4];
+ for(i=0; i<4; i++)
+ tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
+ h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
+ } else {
+ /* 16px edge length, because bS=4 is triggered by being at
+ * the edge of an intra MB, so all 4 bS are the same */
+ for( d = 0; d < 16; d++ ) {
+ const int p0 = pix[-1];
+ const int p1 = pix[-2];
+ const int p2 = pix[-3];
+
+ const int q0 = pix[0];
+ const int q1 = pix[1];
+ const int q2 = pix[2];
+
+ if( FFABS( p0 - q0 ) < alpha &&
+ FFABS( p1 - p0 ) < beta &&
+ FFABS( q1 - q0 ) < beta ) {
+
+ if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
+ if( FFABS( p2 - p0 ) < beta)
+ {
+ const int p3 = pix[-4];
+ /* p0', p1', p2' */
+ pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
+ pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
+ pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
+ } else {
+ /* p0' */
+ pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
+ }
+ if( FFABS( q2 - q0 ) < beta)
+ {
+ const int q3 = pix[3];
+ /* q0', q1', q2' */
+ pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
+ pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
+ pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
+ } else {
+ /* q0' */
+ pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
+ }
+ }else{
+ /* p0', q0' */
+ pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
+ pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
+ }
+ tprintf("filter_mb_edgev i:%d d:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, p2, p1, p0, q0, q1, q2, pix[-2], pix[-1], pix[0], pix[1]);
+ }
+ pix += stride;
+ }
+ }
+}
+static void filter_mb_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
+ int i;
+ const int index_a = qp + h->slice_alpha_c0_offset;
+ const int alpha = (alpha_table+52)[index_a];
+ const int beta = (beta_table+52)[qp + h->slice_beta_offset];
+
+ if( bS[0] < 4 ) {
+ int8_t tc[4];
+ for(i=0; i<4; i++)
+ tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] + 1 : 0;
+ h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
+ } else {
+ h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
+ }
+}
+
+static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[8], int qp[2] ) {
+ int i;
+ for( i = 0; i < 16; i++, pix += stride) {
+ int index_a;
+ int alpha;
+ int beta;
+
+ int qp_index;
+ int bS_index = (i >> 1);
+ if (!MB_FIELD) {
+ bS_index &= ~1;
+ bS_index |= (i & 1);
+ }
+
+ if( bS[bS_index] == 0 ) {
+ continue;
+ }
+
+ qp_index = MB_FIELD ? (i >> 3) : (i & 1);
+ index_a = qp[qp_index] + h->slice_alpha_c0_offset;
+ alpha = (alpha_table+52)[index_a];
+ beta = (beta_table+52)[qp[qp_index] + h->slice_beta_offset];
+
+ if( bS[bS_index] < 4 ) {
+ const int tc0 = (tc0_table+52)[index_a][bS[bS_index] - 1];
+ const int p0 = pix[-1];
+ const int p1 = pix[-2];
+ const int p2 = pix[-3];
+ const int q0 = pix[0];
+ const int q1 = pix[1];
+ const int q2 = pix[2];
+
+ if( FFABS( p0 - q0 ) < alpha &&
+ FFABS( p1 - p0 ) < beta &&
+ FFABS( q1 - q0 ) < beta ) {
+ int tc = tc0;
+ int i_delta;
+
+ if( FFABS( p2 - p0 ) < beta ) {
+ pix[-2] = p1 + clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
+ tc++;
+ }
+ if( FFABS( q2 - q0 ) < beta ) {
+ pix[1] = q1 + clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
+ tc++;
+ }
+
+ i_delta = clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
+ pix[-1] = clip_uint8( p0 + i_delta ); /* p0' */
+ pix[0] = clip_uint8( q0 - i_delta ); /* q0' */
+ tprintf("filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
+ }
+ }else{
+ const int p0 = pix[-1];
+ const int p1 = pix[-2];
+ const int p2 = pix[-3];
+
+ const int q0 = pix[0];
+ const int q1 = pix[1];
+ const int q2 = pix[2];
+
+ if( FFABS( p0 - q0 ) < alpha &&
+ FFABS( p1 - p0 ) < beta &&
+ FFABS( q1 - q0 ) < beta ) {
+
+ if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
+ if( FFABS( p2 - p0 ) < beta)
+ {
+ const int p3 = pix[-4];
+ /* p0', p1', p2' */
+ pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
+ pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
+ pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
+ } else {
+ /* p0' */
+ pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
+ }
+ if( FFABS( q2 - q0 ) < beta)
+ {
+ const int q3 = pix[3];
+ /* q0', q1', q2' */
+ pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
+ pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
+ pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
+ } else {
+ /* q0' */
+ pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
+ }
+ }else{
+ /* p0', q0' */
+ pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
+ pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
+ }
+ tprintf("filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, p2, p1, p0, q0, q1, q2, pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
+ }
+ }
+ }
+}
+static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[8], int qp[2] ) {
+ int i;
+ for( i = 0; i < 8; i++, pix += stride) {
+ int index_a;
+ int alpha;
+ int beta;
+
+ int qp_index;
+ int bS_index = i;
+
+ if( bS[bS_index] == 0 ) {
+ continue;
+ }
+
+ qp_index = MB_FIELD ? (i >> 2) : (i & 1);
+ index_a = qp[qp_index] + h->slice_alpha_c0_offset;
+ alpha = (alpha_table+52)[index_a];
+ beta = (beta_table+52)[qp[qp_index] + h->slice_beta_offset];
+
+ if( bS[bS_index] < 4 ) {
+ const int tc = (tc0_table+52)[index_a][bS[bS_index] - 1] + 1;
+ const int p0 = pix[-1];
+ const int p1 = pix[-2];
+ const int q0 = pix[0];
+ const int q1 = pix[1];
+
+ if( FFABS( p0 - q0 ) < alpha &&
+ FFABS( p1 - p0 ) < beta &&
+ FFABS( q1 - q0 ) < beta ) {
+ const int i_delta = clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
+
+ pix[-1] = clip_uint8( p0 + i_delta ); /* p0' */
+ pix[0] = clip_uint8( q0 - i_delta ); /* q0' */
+ tprintf("filter_mb_mbaff_edgecv i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
+ }
+ }else{
+ const int p0 = pix[-1];
+ const int p1 = pix[-2];
+ const int q0 = pix[0];
+ const int q1 = pix[1];
+
+ if( FFABS( p0 - q0 ) < alpha &&
+ FFABS( p1 - p0 ) < beta &&
+ FFABS( q1 - q0 ) < beta ) {
+
+ pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2; /* p0' */
+ pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2; /* q0' */
+ tprintf("filter_mb_mbaff_edgecv i:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, pix[-3], p1, p0, q0, q1, pix[2], pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
+ }
+ }
+ }
+}
+
+static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
+ int i, d;
+ const int index_a = qp + h->slice_alpha_c0_offset;
+ const int alpha = (alpha_table+52)[index_a];
+ const int beta = (beta_table+52)[qp + h->slice_beta_offset];
+ const int pix_next = stride;
+
+ if( bS[0] < 4 ) {
+ int8_t tc[4];
+ for(i=0; i<4; i++)
+ tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
+ h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
+ } else {
+ /* 16px edge length, see filter_mb_edgev */
+ for( d = 0; d < 16; d++ ) {
+ const int p0 = pix[-1*pix_next];
+ const int p1 = pix[-2*pix_next];
+ const int p2 = pix[-3*pix_next];
+ const int q0 = pix[0];
+ const int q1 = pix[1*pix_next];
+ const int q2 = pix[2*pix_next];
+
+ if( FFABS( p0 - q0 ) < alpha &&
+ FFABS( p1 - p0 ) < beta &&
+ FFABS( q1 - q0 ) < beta ) {
+
+ const int p3 = pix[-4*pix_next];
+ const int q3 = pix[ 3*pix_next];
+
+ if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
+ if( FFABS( p2 - p0 ) < beta) {
+ /* p0', p1', p2' */
+ pix[-1*pix_next] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
+ pix[-2*pix_next] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
+ pix[-3*pix_next] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
+ } else {
+ /* p0' */
+ pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
+ }
+ if( FFABS( q2 - q0 ) < beta) {
+ /* q0', q1', q2' */
+ pix[0*pix_next] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
+ pix[1*pix_next] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
+ pix[2*pix_next] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
+ } else {
+ /* q0' */
+ pix[0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
+ }
+ }else{
+ /* p0', q0' */
+ pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
+ pix[ 0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
+ }
+ tprintf("filter_mb_edgeh i:%d d:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, qp, index_a, alpha, beta, bS[i], p2, p1, p0, q0, q1, q2, pix[-2*pix_next], pix[-pix_next], pix[0], pix[pix_next]);
+ }
+ pix++;
+ }
+ }
+}
+
+static void filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
+ int i;
+ const int index_a = qp + h->slice_alpha_c0_offset;
+ const int alpha = (alpha_table+52)[index_a];
+ const int beta = (beta_table+52)[qp + h->slice_beta_offset];
+
+ if( bS[0] < 4 ) {
+ int8_t tc[4];
+ for(i=0; i<4; i++)
+ tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] + 1 : 0;
+ h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
+ } else {
+ h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
+ }
+}
+
+static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
+ MpegEncContext * const s = &h->s;
+ int mb_xy, mb_type;
+ int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
+
+ if(mb_x==0 || mb_y==0 || !s->dsp.h264_loop_filter_strength) {
+ filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
+ return;
+ }
+ assert(!FRAME_MBAFF);
+
+ mb_xy = mb_x + mb_y*s->mb_stride;
+ mb_type = s->current_picture.mb_type[mb_xy];
+ qp = s->current_picture.qscale_table[mb_xy];
+ qp0 = s->current_picture.qscale_table[mb_xy-1];
+ qp1 = s->current_picture.qscale_table[h->top_mb_xy];
+ qpc = get_chroma_qp( h->pps.chroma_qp_index_offset, qp );
+ qpc0 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp0 );
+ qpc1 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp1 );
+ qp0 = (qp + qp0 + 1) >> 1;
+ qp1 = (qp + qp1 + 1) >> 1;
+ qpc0 = (qpc + qpc0 + 1) >> 1;
+ qpc1 = (qpc + qpc1 + 1) >> 1;
+ qp_thresh = 15 - h->slice_alpha_c0_offset;
+ if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
+ qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
+ return;
+
+ if( IS_INTRA(mb_type) ) {
+ int16_t bS4[4] = {4,4,4,4};
+ int16_t bS3[4] = {3,3,3,3};
+ if( IS_8x8DCT(mb_type) ) {
+ filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
+ filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
+ filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bS4, qp1 );
+ filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
+ } else {
+ filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
+ filter_mb_edgev( h, &img_y[4*1], linesize, bS3, qp );
+ filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
+ filter_mb_edgev( h, &img_y[4*3], linesize, bS3, qp );
+ filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bS4, qp1 );
+ filter_mb_edgeh( h, &img_y[4*1*linesize], linesize, bS3, qp );
+ filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
+ filter_mb_edgeh( h, &img_y[4*3*linesize], linesize, bS3, qp );
+ }
+ filter_mb_edgecv( h, &img_cb[2*0], uvlinesize, bS4, qpc0 );
+ filter_mb_edgecv( h, &img_cb[2*2], uvlinesize, bS3, qpc );
+ filter_mb_edgecv( h, &img_cr[2*0], uvlinesize, bS4, qpc0 );
+ filter_mb_edgecv( h, &img_cr[2*2], uvlinesize, bS3, qpc );
+ filter_mb_edgech( h, &img_cb[2*0*uvlinesize], uvlinesize, bS4, qpc1 );
+ filter_mb_edgech( h, &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc );
+ filter_mb_edgech( h, &img_cr[2*0*uvlinesize], uvlinesize, bS4, qpc1 );
+ filter_mb_edgech( h, &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc );
+ return;
+ } else {
+ DECLARE_ALIGNED_8(int16_t, bS[2][4][4]);
+ uint64_t (*bSv)[4] = (uint64_t(*)[4])bS;
+ int edges;
+ if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
+ edges = 4;
+ bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL;
+ } else {
+ int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 :
+ (mb_type & MB_TYPE_16x8) ? 1 : 0;
+ int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))
+ && (s->current_picture.mb_type[mb_xy-1] & (MB_TYPE_16x16 | MB_TYPE_8x16))
+ ? 3 : 0;
+ int step = IS_8x8DCT(mb_type) ? 2 : 1;
+ edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
+ s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
+ (h->slice_type == B_TYPE), edges, step, mask_edge0, mask_edge1 );
+ }
+ if( IS_INTRA(s->current_picture.mb_type[mb_xy-1]) )
+ bSv[0][0] = 0x0004000400040004ULL;
+ if( IS_INTRA(s->current_picture.mb_type[h->top_mb_xy]) )
+ bSv[1][0] = 0x0004000400040004ULL;
+
+#define FILTER(hv,dir,edge)\
+ if(bSv[dir][edge]) {\
+ filter_mb_edge##hv( h, &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir );\
+ if(!(edge&1)) {\
+ filter_mb_edgec##hv( h, &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
+ filter_mb_edgec##hv( h, &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
+ }\
+ }
+ if( edges == 1 ) {
+ FILTER(v,0,0);
+ FILTER(h,1,0);
+ } else if( IS_8x8DCT(mb_type) ) {
+ FILTER(v,0,0);
+ FILTER(v,0,2);
+ FILTER(h,1,0);
+ FILTER(h,1,2);
+ } else {
+ FILTER(v,0,0);
+ FILTER(v,0,1);
+ FILTER(v,0,2);
+ FILTER(v,0,3);
+ FILTER(h,1,0);
+ FILTER(h,1,1);
+ FILTER(h,1,2);
+ FILTER(h,1,3);
+ }
+#undef FILTER
+ }
+}
+
+static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= mb_x + mb_y*s->mb_stride;
+ const int mb_type = s->current_picture.mb_type[mb_xy];
+ const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
+ int first_vertical_edge_done = 0;
+ int dir;
+ /* FIXME: A given frame may occupy more than one position in
+ * the reference list. So ref2frm should be populated with
+ * frame numbers, not indices. */
+ static const int ref2frm[34] = {-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
+ 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
+
+ //for sufficiently low qp, filtering wouldn't do anything
+ //this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
+ if(!FRAME_MBAFF){
+ int qp_thresh = 15 - h->slice_alpha_c0_offset - FFMAX(0, h->pps.chroma_qp_index_offset);
+ int qp = s->current_picture.qscale_table[mb_xy];
+ if(qp <= qp_thresh
+ && (mb_x == 0 || ((qp + s->current_picture.qscale_table[mb_xy-1] + 1)>>1) <= qp_thresh)
+ && (mb_y == 0 || ((qp + s->current_picture.qscale_table[h->top_mb_xy] + 1)>>1) <= qp_thresh)){
+ return;
+ }
+ }
+
+ if (FRAME_MBAFF
+ // left mb is in picture
+ && h->slice_table[mb_xy-1] != 255
+ // and current and left pair do not have the same interlaced type
+ && (IS_INTERLACED(mb_type) != IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]))
+ // and left mb is in the same slice if deblocking_filter == 2
+ && (h->deblocking_filter!=2 || h->slice_table[mb_xy-1] == h->slice_table[mb_xy])) {
+ /* First vertical edge is different in MBAFF frames
+ * There are 8 different bS to compute and 2 different Qp
+ */
+ const int pair_xy = mb_x + (mb_y&~1)*s->mb_stride;
+ const int left_mb_xy[2] = { pair_xy-1, pair_xy-1+s->mb_stride };
+ int16_t bS[8];
+ int qp[2];
+ int chroma_qp[2];
+ int mb_qp, mbn0_qp, mbn1_qp;
+ int i;
+ first_vertical_edge_done = 1;
+
+ if( IS_INTRA(mb_type) )
+ bS[0] = bS[1] = bS[2] = bS[3] = bS[4] = bS[5] = bS[6] = bS[7] = 4;
+ else {
+ for( i = 0; i < 8; i++ ) {
+ int mbn_xy = MB_FIELD ? left_mb_xy[i>>2] : left_mb_xy[i&1];
+
+ if( IS_INTRA( s->current_picture.mb_type[mbn_xy] ) )
+ bS[i] = 4;
+ else if( h->non_zero_count_cache[12+8*(i>>1)] != 0 ||
+ /* FIXME: with 8x8dct + cavlc, should check cbp instead of nnz */
+ h->non_zero_count[mbn_xy][MB_FIELD ? i&3 : (i>>2)+(mb_y&1)*2] )
+ bS[i] = 2;
+ else
+ bS[i] = 1;
+ }
+ }
+
+ mb_qp = s->current_picture.qscale_table[mb_xy];
+ mbn0_qp = s->current_picture.qscale_table[left_mb_xy[0]];
+ mbn1_qp = s->current_picture.qscale_table[left_mb_xy[1]];
+ qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
+ chroma_qp[0] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
+ get_chroma_qp( h->pps.chroma_qp_index_offset, mbn0_qp ) + 1 ) >> 1;
+ qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
+ chroma_qp[1] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
+ get_chroma_qp( h->pps.chroma_qp_index_offset, mbn1_qp ) + 1 ) >> 1;
+
+ /* Filter edge */
+ tprintf("filter mb:%d/%d MBAFF, QPy:%d/%d, QPc:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], chroma_qp[0], chroma_qp[1], linesize, uvlinesize);
+ { int i; for (i = 0; i < 8; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
+ filter_mb_mbaff_edgev ( h, &img_y [0], linesize, bS, qp );
+ filter_mb_mbaff_edgecv( h, &img_cb[0], uvlinesize, bS, chroma_qp );
+ filter_mb_mbaff_edgecv( h, &img_cr[0], uvlinesize, bS, chroma_qp );
+ }
+ /* dir : 0 -> vertical edge, 1 -> horizontal edge */
+ for( dir = 0; dir < 2; dir++ )
+ {
+ int edge;
+ const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
+ const int mbm_type = s->current_picture.mb_type[mbm_xy];
+ int start = h->slice_table[mbm_xy] == 255 ? 1 : 0;
+
+ const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))
+ == (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
+ // how often to recheck mv-based bS when iterating between edges
+ const int mask_edge = (mb_type & (MB_TYPE_16x16 | (MB_TYPE_16x8 << dir))) ? 3 :
+ (mb_type & (MB_TYPE_8x16 >> dir)) ? 1 : 0;
+ // how often to recheck mv-based bS when iterating along each edge
+ const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
+
+ if (first_vertical_edge_done) {
+ start = 1;
+ first_vertical_edge_done = 0;
+ }
+
+ if (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_table[mb_xy])
+ start = 1;
+
+ if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0
+ && !IS_INTERLACED(mb_type)
+ && IS_INTERLACED(mbm_type)
+ ) {
+ // This is a special case in the norm where the filtering must
+ // be done twice (one each of the field) even if we are in a
+ // frame macroblock.
+ //
+ static const int nnz_idx[4] = {4,5,6,3};
+ unsigned int tmp_linesize = 2 * linesize;
+ unsigned int tmp_uvlinesize = 2 * uvlinesize;
+ int mbn_xy = mb_xy - 2 * s->mb_stride;
+ int qp, chroma_qp;
+ int i, j;
+ int16_t bS[4];
+
+ for(j=0; j<2; j++, mbn_xy += s->mb_stride){
+ if( IS_INTRA(mb_type) ||
+ IS_INTRA(s->current_picture.mb_type[mbn_xy]) ) {
+ bS[0] = bS[1] = bS[2] = bS[3] = 3;
+ } else {
+ const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy];
+ for( i = 0; i < 4; i++ ) {
+ if( h->non_zero_count_cache[scan8[0]+i] != 0 ||
+ mbn_nnz[nnz_idx[i]] != 0 )
+ bS[i] = 2;
+ else
+ bS[i] = 1;
+ }
+ }
+ // Do not use s->qscale as luma quantizer because it has not the same
+ // value in IPCM macroblocks.
+ qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
+ tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
+ { int i; for (i = 0; i < 4; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
+ filter_mb_edgeh( h, &img_y[j*linesize], tmp_linesize, bS, qp );
+ chroma_qp = ( h->chroma_qp +
+ get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
+ filter_mb_edgech( h, &img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
+ filter_mb_edgech( h, &img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
+ }
+
+ start = 1;
+ }
+
+ /* Calculate bS */
+ for( edge = start; edge < edges; edge++ ) {
+ /* mbn_xy: neighbor macroblock */
+ const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
+ const int mbn_type = s->current_picture.mb_type[mbn_xy];
+ int16_t bS[4];
+ int qp;
+
+ if( (edge&1) && IS_8x8DCT(mb_type) )
+ continue;
+
+ if( IS_INTRA(mb_type) ||
+ IS_INTRA(mbn_type) ) {
+ int value;
+ if (edge == 0) {
+ if ( (!IS_INTERLACED(mb_type) && !IS_INTERLACED(mbm_type))
+ || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
+ ) {
+ value = 4;
+ } else {
+ value = 3;
+ }
+ } else {
+ value = 3;
+ }
+ bS[0] = bS[1] = bS[2] = bS[3] = value;
+ } else {
+ int i, l;
+ int mv_done;
+
+ if( edge & mask_edge ) {
+ bS[0] = bS[1] = bS[2] = bS[3] = 0;
+ mv_done = 1;
+ }
+ else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {
+ bS[0] = bS[1] = bS[2] = bS[3] = 1;
+ mv_done = 1;
+ }
+ else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
+ int b_idx= 8 + 4 + edge * (dir ? 8:1);
+ int bn_idx= b_idx - (dir ? 8:1);
+ int v = 0;
+ for( l = 0; !v && l < 1 + (h->slice_type == B_TYPE); l++ ) {
+ v |= ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
+ FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
+ FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
+ }
+ bS[0] = bS[1] = bS[2] = bS[3] = v;
+ mv_done = 1;
+ }
+ else
+ mv_done = 0;
+
+ for( i = 0; i < 4; i++ ) {
+ int x = dir == 0 ? edge : i;
+ int y = dir == 0 ? i : edge;
+ int b_idx= 8 + 4 + x + 8*y;
+ int bn_idx= b_idx - (dir ? 8:1);
+
+ if( h->non_zero_count_cache[b_idx] != 0 ||
+ h->non_zero_count_cache[bn_idx] != 0 ) {
+ bS[i] = 2;
+ }
+ else if(!mv_done)
+ {
+ bS[i] = 0;
+ for( l = 0; l < 1 + (h->slice_type == B_TYPE); l++ ) {
+ if( ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
+ FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
+ FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {
+ bS[i] = 1;
+ break;
+ }
+ }
+ }
+ }
+
+ if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
+ continue;
+ }
+
+ /* Filter edge */
+ // Do not use s->qscale as luma quantizer because it has not the same
+ // value in IPCM macroblocks.
+ qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
+ //tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp, s->current_picture.qscale_table[mbn_xy]);
+ tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
+ { int i; for (i = 0; i < 4; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
+ if( dir == 0 ) {
+ filter_mb_edgev( h, &img_y[4*edge], linesize, bS, qp );
+ if( (edge&1) == 0 ) {
+ int chroma_qp = ( h->chroma_qp +
+ get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
+ filter_mb_edgecv( h, &img_cb[2*edge], uvlinesize, bS, chroma_qp );
+ filter_mb_edgecv( h, &img_cr[2*edge], uvlinesize, bS, chroma_qp );
+ }
+ } else {
+ filter_mb_edgeh( h, &img_y[4*edge*linesize], linesize, bS, qp );
+ if( (edge&1) == 0 ) {
+ int chroma_qp = ( h->chroma_qp +
+ get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
+ filter_mb_edgech( h, &img_cb[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
+ filter_mb_edgech( h, &img_cr[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
+ }
+ }
+ }
+ }
+}
+
+static int decode_slice(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int part_mask= s->partitioned_frame ? (AC_END|AC_ERROR) : 0x7F;
+
+ s->mb_skip_run= -1;
+
+ if( h->pps.cabac ) {
+ int i;
+
+ /* realign */
+ align_get_bits( &s->gb );
+
+ /* init cabac */
+ ff_init_cabac_states( &h->cabac);
+ ff_init_cabac_decoder( &h->cabac,
+ s->gb.buffer + get_bits_count(&s->gb)/8,
+ ( s->gb.size_in_bits - get_bits_count(&s->gb) + 7)/8);
+ /* calculate pre-state */
+ for( i= 0; i < 460; i++ ) {
+ int pre;
+ if( h->slice_type == I_TYPE )
+ pre = clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 );
+ else
+ pre = clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 );
+
+ if( pre <= 63 )
+ h->cabac_state[i] = 2 * ( 63 - pre ) + 0;
+ else
+ h->cabac_state[i] = 2 * ( pre - 64 ) + 1;
+ }
+
+ for(;;){
+//START_TIMER
+ int ret = decode_mb_cabac(h);
+ int eos;
+//STOP_TIMER("decode_mb_cabac")
+
+ if(ret>=0) hl_decode_mb(h);
+
+ if( ret >= 0 && FRAME_MBAFF ) { //FIXME optimal? or let mb_decode decode 16x32 ?
+ s->mb_y++;
+
+ if(ret>=0) ret = decode_mb_cabac(h);
+
+ if(ret>=0) hl_decode_mb(h);
+ s->mb_y--;
+ }
+ eos = get_cabac_terminate( &h->cabac );
+
+ if( ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 2) {
+ av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d, bytestream (%d)\n", s->mb_x, s->mb_y, h->cabac.bytestream_end - h->cabac.bytestream);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
+ return -1;
+ }
+
+ if( ++s->mb_x >= s->mb_width ) {
+ s->mb_x = 0;
+ ff_draw_horiz_band(s, 16*s->mb_y, 16);
+ ++s->mb_y;
+ if(FRAME_MBAFF) {
+ ++s->mb_y;
+ }
+ }
+
+ if( eos || s->mb_y >= s->mb_height ) {
+ tprintf("slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
+ return 0;
+ }
+ }
+
+ } else {
+ for(;;){
+ int ret = decode_mb_cavlc(h);
+
+ if(ret>=0) hl_decode_mb(h);
+
+ if(ret>=0 && FRAME_MBAFF){ //FIXME optimal? or let mb_decode decode 16x32 ?
+ s->mb_y++;
+ ret = decode_mb_cavlc(h);
+
+ if(ret>=0) hl_decode_mb(h);
+ s->mb_y--;
+ }
+
+ if(ret<0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
+
+ return -1;
+ }
+
+ if(++s->mb_x >= s->mb_width){
+ s->mb_x=0;
+ ff_draw_horiz_band(s, 16*s->mb_y, 16);
+ ++s->mb_y;
+ if(FRAME_MBAFF) {
+ ++s->mb_y;
+ }
+ if(s->mb_y >= s->mb_height){
+ tprintf("slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
+
+ if(get_bits_count(&s->gb) == s->gb.size_in_bits ) {
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
+
+ return 0;
+ }else{
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
+
+ return -1;
+ }
+ }
+ }
+
+ if(get_bits_count(&s->gb) >= s->gb.size_in_bits && s->mb_skip_run<=0){
+ tprintf("slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
+ if(get_bits_count(&s->gb) == s->gb.size_in_bits ){
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
+
+ return 0;
+ }else{
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
+
+ return -1;
+ }
+ }
+ }
+ }
+
+#if 0
+ for(;s->mb_y < s->mb_height; s->mb_y++){
+ for(;s->mb_x < s->mb_width; s->mb_x++){
+ int ret= decode_mb(h);
+
+ hl_decode_mb(h);
+
+ if(ret<0){
+ av_log(s->avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
+
+ return -1;
+ }
+
+ if(++s->mb_x >= s->mb_width){
+ s->mb_x=0;
+ if(++s->mb_y >= s->mb_height){
+ if(get_bits_count(s->gb) == s->gb.size_in_bits){
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
+
+ return 0;
+ }else{
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
+
+ return -1;
+ }
+ }
+ }
+
+ if(get_bits_count(s->?gb) >= s->gb?.size_in_bits){
+ if(get_bits_count(s->gb) == s->gb.size_in_bits){
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
+
+ return 0;
+ }else{
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
+
+ return -1;
+ }
+ }
+ }
+ s->mb_x=0;
+ ff_draw_horiz_band(s, 16*s->mb_y, 16);
+ }
+#endif
+ return -1; //not reached
+}
+
+static int decode_unregistered_user_data(H264Context *h, int size){
+ MpegEncContext * const s = &h->s;
+ uint8_t user_data[16+256];
+ int e, build, i;
+
+ if(size<16)
+ return -1;
+
+ for(i=0; i<sizeof(user_data)-1 && i<size; i++){
+ user_data[i]= get_bits(&s->gb, 8);
+ }
+
+ user_data[i]= 0;
+ e= sscanf(user_data+16, "x264 - core %d"/*%s - H.264/MPEG-4 AVC codec - Copyleft 2005 - http://www.videolan.org/x264.html*/, &build);
+ if(e==1 && build>=0)
+ h->x264_build= build;
+
+ if(s->avctx->debug & FF_DEBUG_BUGS)
+ av_log(s->avctx, AV_LOG_DEBUG, "user data:\"%s\"\n", user_data+16);
+
+ for(; i<size; i++)
+ skip_bits(&s->gb, 8);
+
+ return 0;
+}
+
+static int decode_sei(H264Context *h){
+ MpegEncContext * const s = &h->s;
+
+ while(get_bits_count(&s->gb) + 16 < s->gb.size_in_bits){
+ int size, type;
+
+ type=0;
+ do{
+ type+= show_bits(&s->gb, 8);
+ }while(get_bits(&s->gb, 8) == 255);
+
+ size=0;
+ do{
+ size+= show_bits(&s->gb, 8);
+ }while(get_bits(&s->gb, 8) == 255);
+
+ switch(type){
+ case 5:
+ if(decode_unregistered_user_data(h, size) < 0)
+ return -1;
+ break;
+ default:
+ skip_bits(&s->gb, 8*size);
+ }
+
+ //FIXME check bits here
+ align_get_bits(&s->gb);
+ }
+
+ return 0;
+}
+
+static inline void decode_hrd_parameters(H264Context *h, SPS *sps){
+ MpegEncContext * const s = &h->s;
+ int cpb_count, i;
+ cpb_count = get_ue_golomb(&s->gb) + 1;
+ get_bits(&s->gb, 4); /* bit_rate_scale */
+ get_bits(&s->gb, 4); /* cpb_size_scale */
+ for(i=0; i<cpb_count; i++){
+ get_ue_golomb(&s->gb); /* bit_rate_value_minus1 */
+ get_ue_golomb(&s->gb); /* cpb_size_value_minus1 */
+ get_bits1(&s->gb); /* cbr_flag */
+ }
+ get_bits(&s->gb, 5); /* initial_cpb_removal_delay_length_minus1 */
+ get_bits(&s->gb, 5); /* cpb_removal_delay_length_minus1 */
+ get_bits(&s->gb, 5); /* dpb_output_delay_length_minus1 */
+ get_bits(&s->gb, 5); /* time_offset_length */
+}
+
+static inline int decode_vui_parameters(H264Context *h, SPS *sps){
+ MpegEncContext * const s = &h->s;
+ int aspect_ratio_info_present_flag, aspect_ratio_idc;
+ int nal_hrd_parameters_present_flag, vcl_hrd_parameters_present_flag;
+
+ aspect_ratio_info_present_flag= get_bits1(&s->gb);
+
+ if( aspect_ratio_info_present_flag ) {
+ aspect_ratio_idc= get_bits(&s->gb, 8);
+ if( aspect_ratio_idc == EXTENDED_SAR ) {
+ sps->sar.num= get_bits(&s->gb, 16);
+ sps->sar.den= get_bits(&s->gb, 16);
+ }else if(aspect_ratio_idc < 14){
+ sps->sar= pixel_aspect[aspect_ratio_idc];
+ }else{
+ av_log(h->s.avctx, AV_LOG_ERROR, "illegal aspect ratio\n");
+ return -1;
+ }
+ }else{
+ sps->sar.num=
+ sps->sar.den= 0;
+ }
+// s->avctx->aspect_ratio= sar_width*s->width / (float)(s->height*sar_height);
+
+ if(get_bits1(&s->gb)){ /* overscan_info_present_flag */
+ get_bits1(&s->gb); /* overscan_appropriate_flag */
+ }
+
+ if(get_bits1(&s->gb)){ /* video_signal_type_present_flag */
+ get_bits(&s->gb, 3); /* video_format */
+ get_bits1(&s->gb); /* video_full_range_flag */
+ if(get_bits1(&s->gb)){ /* colour_description_present_flag */
+ get_bits(&s->gb, 8); /* colour_primaries */
+ get_bits(&s->gb, 8); /* transfer_characteristics */
+ get_bits(&s->gb, 8); /* matrix_coefficients */
+ }
+ }
+
+ if(get_bits1(&s->gb)){ /* chroma_location_info_present_flag */
+ get_ue_golomb(&s->gb); /* chroma_sample_location_type_top_field */
+ get_ue_golomb(&s->gb); /* chroma_sample_location_type_bottom_field */
+ }
+
+ sps->timing_info_present_flag = get_bits1(&s->gb);
+ if(sps->timing_info_present_flag){
+ sps->num_units_in_tick = get_bits_long(&s->gb, 32);
+ sps->time_scale = get_bits_long(&s->gb, 32);
+ sps->fixed_frame_rate_flag = get_bits1(&s->gb);
+ }
+
+ nal_hrd_parameters_present_flag = get_bits1(&s->gb);
+ if(nal_hrd_parameters_present_flag)
+ decode_hrd_parameters(h, sps);
+ vcl_hrd_parameters_present_flag = get_bits1(&s->gb);
+ if(vcl_hrd_parameters_present_flag)
+ decode_hrd_parameters(h, sps);
+ if(nal_hrd_parameters_present_flag || vcl_hrd_parameters_present_flag)
+ get_bits1(&s->gb); /* low_delay_hrd_flag */
+ get_bits1(&s->gb); /* pic_struct_present_flag */
+
+ sps->bitstream_restriction_flag = get_bits1(&s->gb);
+ if(sps->bitstream_restriction_flag){
+ get_bits1(&s->gb); /* motion_vectors_over_pic_boundaries_flag */
+ get_ue_golomb(&s->gb); /* max_bytes_per_pic_denom */
+ get_ue_golomb(&s->gb); /* max_bits_per_mb_denom */
+ get_ue_golomb(&s->gb); /* log2_max_mv_length_horizontal */
+ get_ue_golomb(&s->gb); /* log2_max_mv_length_vertical */
+ sps->num_reorder_frames = get_ue_golomb(&s->gb);
+ get_ue_golomb(&s->gb); /* max_dec_frame_buffering */
+ }
+
+ return 0;
+}
+
+static void decode_scaling_list(H264Context *h, uint8_t *factors, int size,
+ const uint8_t *jvt_list, const uint8_t *fallback_list){
+ MpegEncContext * const s = &h->s;
+ int i, last = 8, next = 8;
+ const uint8_t *scan = size == 16 ? zigzag_scan : zigzag_scan8x8;
+ if(!get_bits1(&s->gb)) /* matrix not written, we use the predicted one */
+ memcpy(factors, fallback_list, size*sizeof(uint8_t));
+ else
+ for(i=0;i<size;i++){
+ if(next)
+ next = (last + get_se_golomb(&s->gb)) & 0xff;
+ if(!i && !next){ /* matrix not written, we use the preset one */
+ memcpy(factors, jvt_list, size*sizeof(uint8_t));
+ break;
+ }
+ last = factors[scan[i]] = next ? next : last;
+ }
+}
+
+static void decode_scaling_matrices(H264Context *h, SPS *sps, PPS *pps, int is_sps,
+ uint8_t (*scaling_matrix4)[16], uint8_t (*scaling_matrix8)[64]){
+ MpegEncContext * const s = &h->s;
+ int fallback_sps = !is_sps && sps->scaling_matrix_present;
+ const uint8_t *fallback[4] = {
+ fallback_sps ? sps->scaling_matrix4[0] : default_scaling4[0],
+ fallback_sps ? sps->scaling_matrix4[3] : default_scaling4[1],
+ fallback_sps ? sps->scaling_matrix8[0] : default_scaling8[0],
+ fallback_sps ? sps->scaling_matrix8[1] : default_scaling8[1]
+ };
+ if(get_bits1(&s->gb)){
+ sps->scaling_matrix_present |= is_sps;
+ decode_scaling_list(h,scaling_matrix4[0],16,default_scaling4[0],fallback[0]); // Intra, Y
+ decode_scaling_list(h,scaling_matrix4[1],16,default_scaling4[0],scaling_matrix4[0]); // Intra, Cr
+ decode_scaling_list(h,scaling_matrix4[2],16,default_scaling4[0],scaling_matrix4[1]); // Intra, Cb
+ decode_scaling_list(h,scaling_matrix4[3],16,default_scaling4[1],fallback[1]); // Inter, Y
+ decode_scaling_list(h,scaling_matrix4[4],16,default_scaling4[1],scaling_matrix4[3]); // Inter, Cr
+ decode_scaling_list(h,scaling_matrix4[5],16,default_scaling4[1],scaling_matrix4[4]); // Inter, Cb
+ if(is_sps || pps->transform_8x8_mode){
+ decode_scaling_list(h,scaling_matrix8[0],64,default_scaling8[0],fallback[2]); // Intra, Y
+ decode_scaling_list(h,scaling_matrix8[1],64,default_scaling8[1],fallback[3]); // Inter, Y
+ }
+ } else if(fallback_sps) {
+ memcpy(scaling_matrix4, sps->scaling_matrix4, 6*16*sizeof(uint8_t));
+ memcpy(scaling_matrix8, sps->scaling_matrix8, 2*64*sizeof(uint8_t));
+ }
+}
+
+static inline int decode_seq_parameter_set(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ int profile_idc, level_idc;
+ int sps_id, i;
+ SPS *sps;
+
+ profile_idc= get_bits(&s->gb, 8);
+ get_bits1(&s->gb); //constraint_set0_flag
+ get_bits1(&s->gb); //constraint_set1_flag
+ get_bits1(&s->gb); //constraint_set2_flag
+ get_bits1(&s->gb); //constraint_set3_flag
+ get_bits(&s->gb, 4); // reserved
+ level_idc= get_bits(&s->gb, 8);
+ sps_id= get_ue_golomb(&s->gb);
+
+ sps= &h->sps_buffer[ sps_id ];
+ sps->profile_idc= profile_idc;
+ sps->level_idc= level_idc;
+
+ if(sps->profile_idc >= 100){ //high profile
+ if(get_ue_golomb(&s->gb) == 3) //chroma_format_idc
+ get_bits1(&s->gb); //residual_color_transform_flag
+ get_ue_golomb(&s->gb); //bit_depth_luma_minus8
+ get_ue_golomb(&s->gb); //bit_depth_chroma_minus8
+ sps->transform_bypass = get_bits1(&s->gb);
+ decode_scaling_matrices(h, sps, NULL, 1, sps->scaling_matrix4, sps->scaling_matrix8);
+ }else
+ sps->scaling_matrix_present = 0;
+
+ sps->log2_max_frame_num= get_ue_golomb(&s->gb) + 4;
+ sps->poc_type= get_ue_golomb(&s->gb);
+
+ if(sps->poc_type == 0){ //FIXME #define
+ sps->log2_max_poc_lsb= get_ue_golomb(&s->gb) + 4;
+ } else if(sps->poc_type == 1){//FIXME #define
+ sps->delta_pic_order_always_zero_flag= get_bits1(&s->gb);
+ sps->offset_for_non_ref_pic= get_se_golomb(&s->gb);
+ sps->offset_for_top_to_bottom_field= get_se_golomb(&s->gb);
+ sps->poc_cycle_length= get_ue_golomb(&s->gb);
+
+ for(i=0; i<sps->poc_cycle_length; i++)
+ sps->offset_for_ref_frame[i]= get_se_golomb(&s->gb);
+ }
+ if(sps->poc_type > 2){
+ av_log(h->s.avctx, AV_LOG_ERROR, "illegal POC type %d\n", sps->poc_type);
+ return -1;
+ }
+
+ sps->ref_frame_count= get_ue_golomb(&s->gb);
+ if(sps->ref_frame_count > MAX_PICTURE_COUNT-2){
+ av_log(h->s.avctx, AV_LOG_ERROR, "too many reference frames\n");
+ }
+ sps->gaps_in_frame_num_allowed_flag= get_bits1(&s->gb);
+ sps->mb_width= get_ue_golomb(&s->gb) + 1;
+ sps->mb_height= get_ue_golomb(&s->gb) + 1;
+ if((unsigned)sps->mb_width >= INT_MAX/16 || (unsigned)sps->mb_height >= INT_MAX/16 ||
+ avcodec_check_dimensions(NULL, 16*sps->mb_width, 16*sps->mb_height))
+ return -1;
+
+ sps->frame_mbs_only_flag= get_bits1(&s->gb);
+ if(!sps->frame_mbs_only_flag)
+ sps->mb_aff= get_bits1(&s->gb);
+ else
+ sps->mb_aff= 0;
+
+ sps->direct_8x8_inference_flag= get_bits1(&s->gb);
+
+#ifndef ALLOW_INTERLACE
+ if(sps->mb_aff)
+ av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF support not included; enable it at compile-time.\n");
+#endif
+ if(!sps->direct_8x8_inference_flag && sps->mb_aff)
+ av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF + !direct_8x8_inference is not implemented\n");
+
+ sps->crop= get_bits1(&s->gb);
+ if(sps->crop){
+ sps->crop_left = get_ue_golomb(&s->gb);
+ sps->crop_right = get_ue_golomb(&s->gb);
+ sps->crop_top = get_ue_golomb(&s->gb);
+ sps->crop_bottom= get_ue_golomb(&s->gb);
+ if(sps->crop_left || sps->crop_top){
+ av_log(h->s.avctx, AV_LOG_ERROR, "insane cropping not completely supported, this could look slightly wrong ...\n");
+ }
+ }else{
+ sps->crop_left =
+ sps->crop_right =
+ sps->crop_top =
+ sps->crop_bottom= 0;
+ }
+
+ sps->vui_parameters_present_flag= get_bits1(&s->gb);
+ if( sps->vui_parameters_present_flag )
+ decode_vui_parameters(h, sps);
+
+ if(s->avctx->debug&FF_DEBUG_PICT_INFO){
+ av_log(h->s.avctx, AV_LOG_DEBUG, "sps:%d profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%d/%d/%d/%d %s\n",
+ sps_id, sps->profile_idc, sps->level_idc,
+ sps->poc_type,
+ sps->ref_frame_count,
+ sps->mb_width, sps->mb_height,
+ sps->frame_mbs_only_flag ? "FRM" : (sps->mb_aff ? "MB-AFF" : "PIC-AFF"),
+ sps->direct_8x8_inference_flag ? "8B8" : "",
+ sps->crop_left, sps->crop_right,
+ sps->crop_top, sps->crop_bottom,
+ sps->vui_parameters_present_flag ? "VUI" : ""
+ );
+ }
+ return 0;
+}
+
+static inline int decode_picture_parameter_set(H264Context *h, int bit_length){
+ MpegEncContext * const s = &h->s;
+ int pps_id= get_ue_golomb(&s->gb);
+ PPS *pps= &h->pps_buffer[pps_id];
+
+ pps->sps_id= get_ue_golomb(&s->gb);
+ pps->cabac= get_bits1(&s->gb);
+ pps->pic_order_present= get_bits1(&s->gb);
+ pps->slice_group_count= get_ue_golomb(&s->gb) + 1;
+ if(pps->slice_group_count > 1 ){
+ pps->mb_slice_group_map_type= get_ue_golomb(&s->gb);
+ av_log(h->s.avctx, AV_LOG_ERROR, "FMO not supported\n");
+ switch(pps->mb_slice_group_map_type){
+ case 0:
+#if 0
+| for( i = 0; i <= num_slice_groups_minus1; i++ ) | | |
+| run_length[ i ] |1 |ue(v) |
+#endif
+ break;
+ case 2:
+#if 0
+| for( i = 0; i < num_slice_groups_minus1; i++ ) | | |
+|{ | | |
+| top_left_mb[ i ] |1 |ue(v) |
+| bottom_right_mb[ i ] |1 |ue(v) |
+| } | | |
+#endif
+ break;
+ case 3:
+ case 4:
+ case 5:
+#if 0
+| slice_group_change_direction_flag |1 |u(1) |
+| slice_group_change_rate_minus1 |1 |ue(v) |
+#endif
+ break;
+ case 6:
+#if 0
+| slice_group_id_cnt_minus1 |1 |ue(v) |
+| for( i = 0; i <= slice_group_id_cnt_minus1; i++ | | |
+|) | | |
+| slice_group_id[ i ] |1 |u(v) |
+#endif
+ break;
+ }
+ }
+ pps->ref_count[0]= get_ue_golomb(&s->gb) + 1;
+ pps->ref_count[1]= get_ue_golomb(&s->gb) + 1;
+ if(pps->ref_count[0] > 32 || pps->ref_count[1] > 32){
+ av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow (pps)\n");
+ return -1;
+ }
+
+ pps->weighted_pred= get_bits1(&s->gb);
+ pps->weighted_bipred_idc= get_bits(&s->gb, 2);
+ pps->init_qp= get_se_golomb(&s->gb) + 26;
+ pps->init_qs= get_se_golomb(&s->gb) + 26;
+ pps->chroma_qp_index_offset= get_se_golomb(&s->gb);
+ pps->deblocking_filter_parameters_present= get_bits1(&s->gb);
+ pps->constrained_intra_pred= get_bits1(&s->gb);
+ pps->redundant_pic_cnt_present = get_bits1(&s->gb);
+
+ pps->transform_8x8_mode= 0;
+ h->dequant_coeff_pps= -1; //contents of sps/pps can change even if id doesn't, so reinit
+ memset(pps->scaling_matrix4, 16, 6*16*sizeof(uint8_t));
+ memset(pps->scaling_matrix8, 16, 2*64*sizeof(uint8_t));
+
+ if(get_bits_count(&s->gb) < bit_length){
+ pps->transform_8x8_mode= get_bits1(&s->gb);
+ decode_scaling_matrices(h, &h->sps_buffer[pps->sps_id], pps, 0, pps->scaling_matrix4, pps->scaling_matrix8);
+ get_se_golomb(&s->gb); //second_chroma_qp_index_offset
+ }
+
+ if(s->avctx->debug&FF_DEBUG_PICT_INFO){
+ av_log(h->s.avctx, AV_LOG_DEBUG, "pps:%d sps:%d %s slice_groups:%d ref:%d/%d %s qp:%d/%d/%d %s %s %s %s\n",
+ pps_id, pps->sps_id,
+ pps->cabac ? "CABAC" : "CAVLC",
+ pps->slice_group_count,
+ pps->ref_count[0], pps->ref_count[1],
+ pps->weighted_pred ? "weighted" : "",
+ pps->init_qp, pps->init_qs, pps->chroma_qp_index_offset,
+ pps->deblocking_filter_parameters_present ? "LPAR" : "",
+ pps->constrained_intra_pred ? "CONSTR" : "",
+ pps->redundant_pic_cnt_present ? "REDU" : "",
+ pps->transform_8x8_mode ? "8x8DCT" : ""
+ );
+ }
+
+ return 0;
+}
+
+/**
+ * finds the end of the current frame in the bitstream.
+ * @return the position of the first byte of the next frame, or -1
+ */
+static int find_frame_end(H264Context *h, const uint8_t *buf, int buf_size){
+ int i;
+ uint32_t state;
+ ParseContext *pc = &(h->s.parse_context);
+//printf("first %02X%02X%02X%02X\n", buf[0], buf[1],buf[2],buf[3]);
+// mb_addr= pc->mb_addr - 1;
+ state= pc->state;
+ for(i=0; i<=buf_size; i++){
+ if((state&0xFFFFFF1F) == 0x101 || (state&0xFFFFFF1F) == 0x102 || (state&0xFFFFFF1F) == 0x105){
+ tprintf("find_frame_end new startcode = %08x, frame_start_found = %d, pos = %d\n", state, pc->frame_start_found, i);
+ if(pc->frame_start_found){
+ // If there isn't one more byte in the buffer
+ // the test on first_mb_in_slice cannot be done yet
+ // do it at next call.
+ if (i >= buf_size) break;
+ if (buf[i] & 0x80) {
+ // first_mb_in_slice is 0, probably the first nal of a new
+ // slice
+ tprintf("find_frame_end frame_end_found, state = %08x, pos = %d\n", state, i);
+ pc->state=-1;
+ pc->frame_start_found= 0;
+ return i-4;
+ }
+ }
+ pc->frame_start_found = 1;
+ }
+ if((state&0xFFFFFF1F) == 0x107 || (state&0xFFFFFF1F) == 0x108 || (state&0xFFFFFF1F) == 0x109){
+ if(pc->frame_start_found){
+ pc->state=-1;
+ pc->frame_start_found= 0;
+ return i-4;
+ }
+ }
+ if (i<buf_size)
+ state= (state<<8) | buf[i];
+ }
+
+ pc->state= state;
+ return END_NOT_FOUND;
+}
+
+#ifdef CONFIG_H264_PARSER
+static int h264_parse(AVCodecParserContext *s,
+ AVCodecContext *avctx,
+ uint8_t **poutbuf, int *poutbuf_size,
+ const uint8_t *buf, int buf_size)
+{
+ H264Context *h = s->priv_data;
+ ParseContext *pc = &h->s.parse_context;
+ int next;
+
+ next= find_frame_end(h, buf, buf_size);
+
+ if (ff_combine_frame(pc, next, (uint8_t **)&buf, &buf_size) < 0) {
+ *poutbuf = NULL;
+ *poutbuf_size = 0;
+ return buf_size;
+ }
+
+ *poutbuf = (uint8_t *)buf;
+ *poutbuf_size = buf_size;
+ return next;
+}
+
+static int h264_split(AVCodecContext *avctx,
+ const uint8_t *buf, int buf_size)
+{
+ int i;
+ uint32_t state = -1;
+ int has_sps= 0;
+
+ for(i=0; i<=buf_size; i++){
+ if((state&0xFFFFFF1F) == 0x107)
+ has_sps=1;
+/* if((state&0xFFFFFF1F) == 0x101 || (state&0xFFFFFF1F) == 0x102 || (state&0xFFFFFF1F) == 0x105){
+ }*/
+ if((state&0xFFFFFF00) == 0x100 && (state&0xFFFFFF1F) != 0x107 && (state&0xFFFFFF1F) != 0x108 && (state&0xFFFFFF1F) != 0x109){
+ if(has_sps){
+ while(i>4 && buf[i-5]==0) i--;
+ return i-4;
+ }
+ }
+ if (i<buf_size)
+ state= (state<<8) | buf[i];
+ }
+ return 0;
+}
+#endif /* CONFIG_H264_PARSER */
+
+static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
+ MpegEncContext * const s = &h->s;
+ AVCodecContext * const avctx= s->avctx;
+ int buf_index=0;
+#if 0
+ int i;
+ for(i=0; i<50; i++){
+ av_log(NULL, AV_LOG_ERROR,"%02X ", buf[i]);
+ }
+#endif
+ h->slice_num = 0;
+ s->current_picture_ptr= NULL;
+ for(;;){
+ int consumed;
+ int dst_length;
+ int bit_length;
+ uint8_t *ptr;
+ int i, nalsize = 0;
+
+ if(h->is_avc) {
+ if(buf_index >= buf_size) break;
+ nalsize = 0;
+ for(i = 0; i < h->nal_length_size; i++)
+ nalsize = (nalsize << 8) | buf[buf_index++];
+ if(nalsize <= 1){
+ if(nalsize == 1){
+ buf_index++;
+ continue;
+ }else{
+ av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
+ break;
+ }
+ }
+ } else {
+ // start code prefix search
+ for(; buf_index + 3 < buf_size; buf_index++){
+ // this should allways succeed in the first iteration
+ if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
+ break;
+ }
+
+ if(buf_index+3 >= buf_size) break;
+
+ buf_index+=3;
+ }
+
+ ptr= decode_nal(h, buf + buf_index, &dst_length, &consumed, h->is_avc ? nalsize : buf_size - buf_index);
+ while(ptr[dst_length - 1] == 0 && dst_length > 1)
+ dst_length--;
+ bit_length= 8*dst_length - decode_rbsp_trailing(ptr + dst_length - 1);
+
+ if(s->avctx->debug&FF_DEBUG_STARTCODE){
+ av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d at %d/%d length %d\n", h->nal_unit_type, buf_index, buf_size, dst_length);
+ }
+
+ if (h->is_avc && (nalsize != consumed))
+ av_log(h->s.avctx, AV_LOG_ERROR, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize);
+
+ buf_index += consumed;
+
+ if( (s->hurry_up == 1 && h->nal_ref_idc == 0) //FIXME dont discard SEI id
+ ||(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
+ continue;
+
+ switch(h->nal_unit_type){
+ case NAL_IDR_SLICE:
+ idr(h); //FIXME ensure we don't loose some frames if there is reordering
+ case NAL_SLICE:
+ init_get_bits(&s->gb, ptr, bit_length);
+ h->intra_gb_ptr=
+ h->inter_gb_ptr= &s->gb;
+ s->data_partitioning = 0;
+
+ if(decode_slice_header(h) < 0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
+ break;
+ }
+ s->current_picture_ptr->key_frame= (h->nal_unit_type == NAL_IDR_SLICE);
+ if(h->redundant_pic_count==0 && s->hurry_up < 5
+ && (avctx->skip_frame < AVDISCARD_NONREF || h->nal_ref_idc)
+ && (avctx->skip_frame < AVDISCARD_BIDIR || h->slice_type!=B_TYPE)
+ && (avctx->skip_frame < AVDISCARD_NONKEY || h->slice_type==I_TYPE)
+ && avctx->skip_frame < AVDISCARD_ALL)
+ decode_slice(h);
+ break;
+ case NAL_DPA:
+ init_get_bits(&s->gb, ptr, bit_length);
+ h->intra_gb_ptr=
+ h->inter_gb_ptr= NULL;
+ s->data_partitioning = 1;
+
+ if(decode_slice_header(h) < 0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
+ }
+ break;
+ case NAL_DPB:
+ init_get_bits(&h->intra_gb, ptr, bit_length);
+ h->intra_gb_ptr= &h->intra_gb;
+ break;
+ case NAL_DPC:
+ init_get_bits(&h->inter_gb, ptr, bit_length);
+ h->inter_gb_ptr= &h->inter_gb;
+
+ if(h->redundant_pic_count==0 && h->intra_gb_ptr && s->data_partitioning
+ && s->hurry_up < 5
+ && (avctx->skip_frame < AVDISCARD_NONREF || h->nal_ref_idc)
+ && (avctx->skip_frame < AVDISCARD_BIDIR || h->slice_type!=B_TYPE)
+ && (avctx->skip_frame < AVDISCARD_NONKEY || h->slice_type==I_TYPE)
+ && avctx->skip_frame < AVDISCARD_ALL)
+ decode_slice(h);
+ break;
+ case NAL_SEI:
+ init_get_bits(&s->gb, ptr, bit_length);
+ decode_sei(h);
+ break;
+ case NAL_SPS:
+ init_get_bits(&s->gb, ptr, bit_length);
+ decode_seq_parameter_set(h);
+
+ if(s->flags& CODEC_FLAG_LOW_DELAY)
+ s->low_delay=1;
+
+ if(avctx->has_b_frames < 2)
+ avctx->has_b_frames= !s->low_delay;
+ break;
+ case NAL_PPS:
+ init_get_bits(&s->gb, ptr, bit_length);
+
+ decode_picture_parameter_set(h, bit_length);
+
+ break;
+ case NAL_AUD:
+ case NAL_END_SEQUENCE:
+ case NAL_END_STREAM:
+ case NAL_FILLER_DATA:
+ case NAL_SPS_EXT:
+ case NAL_AUXILIARY_SLICE:
+ break;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "Unknown NAL code: %d\n", h->nal_unit_type);
+ }
+ }
+
+ if(!s->current_picture_ptr) return buf_index; //no frame
+
+ s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
+ s->current_picture_ptr->pict_type= s->pict_type;
+
+ h->prev_frame_num_offset= h->frame_num_offset;
+ h->prev_frame_num= h->frame_num;
+ if(s->current_picture_ptr->reference){
+ h->prev_poc_msb= h->poc_msb;
+ h->prev_poc_lsb= h->poc_lsb;
+ }
+ if(s->current_picture_ptr->reference)
+ execute_ref_pic_marking(h, h->mmco, h->mmco_index);
+
+ ff_er_frame_end(s);
+
+ MPV_frame_end(s);
+
+ return buf_index;
+}
+
+/**
+ * returns the number of bytes consumed for building the current frame
+ */
+static int get_consumed_bytes(MpegEncContext *s, int pos, int buf_size){
+ if(s->flags&CODEC_FLAG_TRUNCATED){
+ pos -= s->parse_context.last_index;
+ if(pos<0) pos=0; // FIXME remove (unneeded?)
+
+ return pos;
+ }else{
+ if(pos==0) pos=1; //avoid infinite loops (i doubt thats needed but ...)
+ if(pos+10>buf_size) pos=buf_size; // oops ;)
+
+ return pos;
+ }
+}
+
+static int decode_frame(AVCodecContext *avctx,
+ void *data, int *data_size,
+ uint8_t *buf, int buf_size)
+{
+ H264Context *h = avctx->priv_data;
+ MpegEncContext *s = &h->s;
+ AVFrame *pict = data;
+ int buf_index;
+
+ s->flags= avctx->flags;
+ s->flags2= avctx->flags2;
+
+ /* no supplementary picture */
+ if (buf_size == 0) {
+ return 0;
+ }
+
+ if(s->flags&CODEC_FLAG_TRUNCATED){
+ int next= find_frame_end(h, buf, buf_size);
+
+ if( ff_combine_frame(&s->parse_context, next, &buf, &buf_size) < 0 )
+ return buf_size;
+//printf("next:%d buf_size:%d last_index:%d\n", next, buf_size, s->parse_context.last_index);
+ }
+
+ if(h->is_avc && !h->got_avcC) {
+ int i, cnt, nalsize;
+ unsigned char *p = avctx->extradata;
+ if(avctx->extradata_size < 7) {
+ av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
+ return -1;
+ }
+ if(*p != 1) {
+ av_log(avctx, AV_LOG_ERROR, "Unknown avcC version %d\n", *p);
+ return -1;
+ }
+ /* sps and pps in the avcC always have length coded with 2 bytes,
+ so put a fake nal_length_size = 2 while parsing them */
+ h->nal_length_size = 2;
+ // Decode sps from avcC
+ cnt = *(p+5) & 0x1f; // Number of sps
+ p += 6;
+ for (i = 0; i < cnt; i++) {
+ nalsize = BE_16(p) + 2;
+ if(decode_nal_units(h, p, nalsize) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Decoding sps %d from avcC failed\n", i);
+ return -1;
+ }
+ p += nalsize;
+ }
+ // Decode pps from avcC
+ cnt = *(p++); // Number of pps
+ for (i = 0; i < cnt; i++) {
+ nalsize = BE_16(p) + 2;
+ if(decode_nal_units(h, p, nalsize) != nalsize) {
+ av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
+ return -1;
+ }
+ p += nalsize;
+ }
+ // Now store right nal length size, that will be use to parse all other nals
+ h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
+ // Do not reparse avcC
+ h->got_avcC = 1;
+ }
+
+ if(!h->is_avc && s->avctx->extradata_size && s->picture_number==0){
+ if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
+ return -1;
+ }
+
+ buf_index=decode_nal_units(h, buf, buf_size);
+ if(buf_index < 0)
+ return -1;
+
+ //FIXME do something with unavailable reference frames
+
+// if(ret==FRAME_SKIPPED) return get_consumed_bytes(s, buf_index, buf_size);
+ if(!s->current_picture_ptr){
+ av_log(h->s.avctx, AV_LOG_DEBUG, "error, NO frame\n");
+ return -1;
+ }
+
+ {
+ Picture *out = s->current_picture_ptr;
+#if 0 //decode order
+ *data_size = sizeof(AVFrame);
+#else
+ /* Sort B-frames into display order */
+ Picture *cur = s->current_picture_ptr;
+ Picture *prev = h->delayed_output_pic;
+ int i, pics, cross_idr, out_of_order, out_idx;
+
+ if(h->sps.bitstream_restriction_flag
+ && s->avctx->has_b_frames < h->sps.num_reorder_frames){
+ s->avctx->has_b_frames = h->sps.num_reorder_frames;
+ s->low_delay = 0;
+ }
+
+ pics = 0;
+ while(h->delayed_pic[pics]) pics++;
+ h->delayed_pic[pics++] = cur;
+ if(cur->reference == 0)
+ cur->reference = 1;
+
+ cross_idr = 0;
+ for(i=0; h->delayed_pic[i]; i++)
+ if(h->delayed_pic[i]->key_frame || h->delayed_pic[i]->poc==0)
+ cross_idr = 1;
+
+ out = h->delayed_pic[0];
+ out_idx = 0;
+ for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame; i++)
+ if(h->delayed_pic[i]->poc < out->poc){
+ out = h->delayed_pic[i];
+ out_idx = i;
+ }
+
+ out_of_order = !cross_idr && prev && out->poc < prev->poc;
+ if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
+ { }
+ else if(prev && pics <= s->avctx->has_b_frames)
+ out = prev;
+ else if((out_of_order && pics-1 == s->avctx->has_b_frames && pics < 15)
+ || (s->low_delay &&
+ ((!cross_idr && prev && out->poc > prev->poc + 2)
+ || cur->pict_type == B_TYPE)))
+ {
+ s->low_delay = 0;
+ s->avctx->has_b_frames++;
+ out = prev;
+ }
+ else if(out_of_order)
+ out = prev;
+
+ if(out_of_order || pics > s->avctx->has_b_frames){
+ for(i=out_idx; h->delayed_pic[i]; i++)
+ h->delayed_pic[i] = h->delayed_pic[i+1];
+ }
+
+ if(prev == out)
+ *data_size = 0;
+ else
+ *data_size = sizeof(AVFrame);
+ if(prev && prev != out && prev->reference == 1)
+ prev->reference = 0;
+ h->delayed_output_pic = out;
+#endif
+
+ if(out)
+ *pict= *(AVFrame*)out;
+ else
+ av_log(avctx, AV_LOG_DEBUG, "no picture\n");
+ }
+
+ assert(pict->data[0] || !*data_size);
+ ff_print_debug_info(s, pict);
+//printf("out %d\n", (int)pict->data[0]);
+#if 0 //?
+
+ /* Return the Picture timestamp as the frame number */
+ /* we substract 1 because it is added on utils.c */
+ avctx->frame_number = s->picture_number - 1;
+#endif
+ return get_consumed_bytes(s, buf_index, buf_size);
+}
+#if 0
+static inline void fill_mb_avail(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
+
+ if(s->mb_y){
+ h->mb_avail[0]= s->mb_x && h->slice_table[mb_xy - s->mb_stride - 1] == h->slice_num;
+ h->mb_avail[1]= h->slice_table[mb_xy - s->mb_stride ] == h->slice_num;
+ h->mb_avail[2]= s->mb_x+1 < s->mb_width && h->slice_table[mb_xy - s->mb_stride + 1] == h->slice_num;
+ }else{
+ h->mb_avail[0]=
+ h->mb_avail[1]=
+ h->mb_avail[2]= 0;
+ }
+ h->mb_avail[3]= s->mb_x && h->slice_table[mb_xy - 1] == h->slice_num;
+ h->mb_avail[4]= 1; //FIXME move out
+ h->mb_avail[5]= 0; //FIXME move out
+}
+#endif
+
+#if 0 //selftest
+#define COUNT 8000
+#define SIZE (COUNT*40)
+int main(){
+ int i;
+ uint8_t temp[SIZE];
+ PutBitContext pb;
+ GetBitContext gb;
+// int int_temp[10000];
+ DSPContext dsp;
+ AVCodecContext avctx;
+
+ dsputil_init(&dsp, &avctx);
+
+ init_put_bits(&pb, temp, SIZE);
+ printf("testing unsigned exp golomb\n");
+ for(i=0; i<COUNT; i++){
+ START_TIMER
+ set_ue_golomb(&pb, i);
+ STOP_TIMER("set_ue_golomb");
+ }
+ flush_put_bits(&pb);
+
+ init_get_bits(&gb, temp, 8*SIZE);
+ for(i=0; i<COUNT; i++){
+ int j, s;
+
+ s= show_bits(&gb, 24);
+
+ START_TIMER
+ j= get_ue_golomb(&gb);
+ if(j != i){
+ printf("missmatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
+// return -1;
+ }
+ STOP_TIMER("get_ue_golomb");
+ }
+
+
+ init_put_bits(&pb, temp, SIZE);
+ printf("testing signed exp golomb\n");
+ for(i=0; i<COUNT; i++){
+ START_TIMER
+ set_se_golomb(&pb, i - COUNT/2);
+ STOP_TIMER("set_se_golomb");
+ }
+ flush_put_bits(&pb);
+
+ init_get_bits(&gb, temp, 8*SIZE);
+ for(i=0; i<COUNT; i++){
+ int j, s;
+
+ s= show_bits(&gb, 24);
+
+ START_TIMER
+ j= get_se_golomb(&gb);
+ if(j != i - COUNT/2){
+ printf("missmatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
+// return -1;
+ }
+ STOP_TIMER("get_se_golomb");
+ }
+
+ printf("testing 4x4 (I)DCT\n");
+
+ DCTELEM block[16];
+ uint8_t src[16], ref[16];
+ uint64_t error= 0, max_error=0;
+
+ for(i=0; i<COUNT; i++){
+ int j;
+// printf("%d %d %d\n", r1, r2, (r2-r1)*16);
+ for(j=0; j<16; j++){
+ ref[j]= random()%255;
+ src[j]= random()%255;
+ }
+
+ h264_diff_dct_c(block, src, ref, 4);
+
+ //normalize
+ for(j=0; j<16; j++){
+// printf("%d ", block[j]);
+ block[j]= block[j]*4;
+ if(j&1) block[j]= (block[j]*4 + 2)/5;
+ if(j&4) block[j]= (block[j]*4 + 2)/5;
+ }
+// printf("\n");
+
+ s->dsp.h264_idct_add(ref, block, 4);
+/* for(j=0; j<16; j++){
+ printf("%d ", ref[j]);
+ }
+ printf("\n");*/
+
+ for(j=0; j<16; j++){
+ int diff= FFABS(src[j] - ref[j]);
+
+ error+= diff*diff;
+ max_error= FFMAX(max_error, diff);
+ }
+ }
+ printf("error=%f max_error=%d\n", ((float)error)/COUNT/16, (int)max_error );
+#if 0
+ printf("testing quantizer\n");
+ for(qp=0; qp<52; qp++){
+ for(i=0; i<16; i++)
+ src1_block[i]= src2_block[i]= random()%255;
+
+ }
+#endif
+ printf("Testing NAL layer\n");
+
+ uint8_t bitstream[COUNT];
+ uint8_t nal[COUNT*2];
+ H264Context h;
+ memset(&h, 0, sizeof(H264Context));
+
+ for(i=0; i<COUNT; i++){
+ int zeros= i;
+ int nal_length;
+ int consumed;
+ int out_length;
+ uint8_t *out;
+ int j;
+
+ for(j=0; j<COUNT; j++){
+ bitstream[j]= (random() % 255) + 1;
+ }
+
+ for(j=0; j<zeros; j++){
+ int pos= random() % COUNT;
+ while(bitstream[pos] == 0){
+ pos++;
+ pos %= COUNT;
+ }
+ bitstream[pos]=0;
+ }
+
+ START_TIMER
+
+ nal_length= encode_nal(&h, nal, bitstream, COUNT, COUNT*2);
+ if(nal_length<0){
+ printf("encoding failed\n");
+ return -1;
+ }
+
+ out= decode_nal(&h, nal, &out_length, &consumed, nal_length);
+
+ STOP_TIMER("NAL")
+
+ if(out_length != COUNT){
+ printf("incorrect length %d %d\n", out_length, COUNT);
+ return -1;
+ }
+
+ if(consumed != nal_length){
+ printf("incorrect consumed length %d %d\n", nal_length, consumed);
+ return -1;
+ }
+
+ if(memcmp(bitstream, out, COUNT)){
+ printf("missmatch\n");
+ return -1;
+ }
+ }
+
+ printf("Testing RBSP\n");
+
+
+ return 0;
+}
+#endif
+
+
+static int decode_end(AVCodecContext *avctx)
+{
+ H264Context *h = avctx->priv_data;
+ MpegEncContext *s = &h->s;
+
+ av_freep(&h->rbsp_buffer);
+ free_tables(h); //FIXME cleanup init stuff perhaps
+ MPV_common_end(s);
+
+// memset(h, 0, sizeof(H264Context));
+
+ return 0;
+}
+
+
+AVCodec h264_decoder = {
+ "h264",
+ CODEC_TYPE_VIDEO,
+ CODEC_ID_H264,
+ sizeof(H264Context),
+ decode_init,
+ NULL,
+ decode_end,
+ decode_frame,
+ /*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
+ .flush= flush_dpb,
+};
+
+#ifdef CONFIG_H264_PARSER
+AVCodecParser h264_parser = {
+ { CODEC_ID_H264 },
+ sizeof(H264Context),
+ NULL,
+ h264_parse,
+ ff_parse_close,
+ h264_split,
+};
+#endif
+
+#include "svq3.c"
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