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Diffstat (limited to 'contrib/ffmpeg/libavcodec/h264.h')
| -rw-r--r-- | contrib/ffmpeg/libavcodec/h264.h | 419 |
1 files changed, 0 insertions, 419 deletions
diff --git a/contrib/ffmpeg/libavcodec/h264.h b/contrib/ffmpeg/libavcodec/h264.h deleted file mode 100644 index f45b3a6a4..000000000 --- a/contrib/ffmpeg/libavcodec/h264.h +++ /dev/null @@ -1,419 +0,0 @@ -/* - * 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.h - * H.264 / AVC / MPEG4 part10 codec. - * @author Michael Niedermayer <michaelni@gmx.at> - */ - -#ifndef FFMPEG_H264_H -#define FFMPEG_H264_H - -#include "dsputil.h" -#include "cabac.h" -#include "mpegvideo.h" -#include "h264pred.h" - -#define interlaced_dct interlaced_dct_is_a_bad_name -#define mb_intra mb_intra_is_not_initialized_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 -#define FIELD_PICTURE (s->picture_structure != PICT_FRAME) -#else -#define MB_MBAFF 0 -#define MB_FIELD 0 -#define FRAME_MBAFF 0 -#define FIELD_PICTURE 0 -#undef IS_INTERLACED -#define IS_INTERLACED(mb_type) 0 -#endif -#define FIELD_OR_MBAFF_PICTURE (FRAME_MBAFF || FIELD_PICTURE) - -/** - * 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; ///< pic_width_in_mbs_minus1 + 1 - int mb_height; ///< pic_height_in_map_units_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{ - unsigned 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; - unsigned 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[2]; - 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]; - uint8_t chroma_qp_table[2][256]; ///< pre-scaled (with chroma_qp_index_offset) version of qp_table - int chroma_qp_diff; -}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_pic_num; ///< pic_num without wrapping (pic_num & max_pic_num) - int long_arg; ///< index, pic_num, or num long refs depending on opcode -} MMCO; - -/** - * H264Context - */ -typedef struct H264Context{ - MpegEncContext s; - int nal_ref_idc; - int nal_unit_type; - uint8_t *rbsp_buffer[2]; - unsigned int rbsp_buffer_size[2]; - - /** - * 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[2]; //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]; - H264PredContext hpc; - 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_buffers[MAX_SPS_COUNT]; - SPS sps; ///< current sps - - PPS *pps_buffers[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 - - unsigned 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+1 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 - */ - unsigned int ref_count[2]; ///< counts frames or fields, depending on current mb mode - unsigned int list_count; - Picture *short_ref[32]; - Picture *long_ref[32]; - Picture default_ref_list[2][32]; ///< base reference list for all slices of a coded picture - Picture ref_list[2][48]; /**< 0..15: frame refs, 16..47: mbaff field refs. - Reordered version of default_ref_list - according to picture reordering in slice header */ - Picture *delayed_pic[18]; //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_16(DCTELEM, mb[16*24]); - DCTELEM mb_padding[256]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not to large or ensure that there is some unused stuff after mb - - /** - * 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; - - /** - * @defgroup multithreading Members for slice based multithreading - * @{ - */ - struct H264Context *thread_context[MAX_THREADS]; - - /** - * current slice number, used to initalize slice_num of each thread/context - */ - int current_slice; - - /** - * Max number of threads / contexts. - * This is equal to AVCodecContext.thread_count unless - * multithreaded decoding is impossible, in which case it is - * reduced to 1. - */ - int max_contexts; - - /** - * 1 if the single thread fallback warning has already been - * displayed, 0 otherwise. - */ - int single_decode_warning; - - int last_slice_type; - /** @} */ - -}H264Context; - -#endif /* FFMPEG_H264_H */ |