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Diffstat (limited to 'contrib/ffmpeg/libavcodec/dsputil.h')
| -rw-r--r-- | contrib/ffmpeg/libavcodec/dsputil.h | 778 |
1 files changed, 778 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavcodec/dsputil.h b/contrib/ffmpeg/libavcodec/dsputil.h new file mode 100644 index 000000000..35deb6aab --- /dev/null +++ b/contrib/ffmpeg/libavcodec/dsputil.h @@ -0,0 +1,778 @@ +/* + * DSP utils + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard. + * Copyright (c) 2002-2004 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 dsputil.h + * DSP utils. + * note, many functions in here may use MMX which trashes the FPU state, it is + * absolutely necessary to call emms_c() between dsp & float/double code + */ + +#ifndef DSPUTIL_H +#define DSPUTIL_H + +#include "common.h" +#include "avcodec.h" + + +//#define DEBUG +/* dct code */ +typedef short DCTELEM; +typedef int DWTELEM; + +void fdct_ifast (DCTELEM *data); +void fdct_ifast248 (DCTELEM *data); +void ff_jpeg_fdct_islow (DCTELEM *data); +void ff_fdct248_islow (DCTELEM *data); + +void j_rev_dct (DCTELEM *data); +void j_rev_dct4 (DCTELEM *data); +void j_rev_dct2 (DCTELEM *data); +void j_rev_dct1 (DCTELEM *data); + +void ff_fdct_mmx(DCTELEM *block); +void ff_fdct_mmx2(DCTELEM *block); +void ff_fdct_sse2(DCTELEM *block); + +void ff_h264_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride); +void ff_h264_idct_add_c(uint8_t *dst, DCTELEM *block, int stride); +void ff_h264_idct8_dc_add_c(uint8_t *dst, DCTELEM *block, int stride); +void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride); +void ff_h264_lowres_idct_add_c(uint8_t *dst, int stride, DCTELEM *block); +void ff_h264_lowres_idct_put_c(uint8_t *dst, int stride, DCTELEM *block); + +void ff_vector_fmul_add_add_c(float *dst, const float *src0, const float *src1, + const float *src2, int src3, int blocksize, int step); +void ff_float_to_int16_c(int16_t *dst, const float *src, int len); + +/* encoding scans */ +extern const uint8_t ff_alternate_horizontal_scan[64]; +extern const uint8_t ff_alternate_vertical_scan[64]; +extern const uint8_t ff_zigzag_direct[64]; +extern const uint8_t ff_zigzag248_direct[64]; + +/* pixel operations */ +#define MAX_NEG_CROP 1024 + +/* temporary */ +extern uint32_t ff_squareTbl[512]; +extern uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP]; + +/* VP3 DSP functions */ +void ff_vp3_idct_c(DCTELEM *block/* align 16*/); +void ff_vp3_idct_put_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); +void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); + +/* 1/2^n downscaling functions from imgconvert.c */ +void ff_img_copy_plane(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); +void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); +void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); +void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); + +void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy, + int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height); + +/* minimum alignment rules ;) +if u notice errors in the align stuff, need more alignment for some asm code for some cpu +or need to use a function with less aligned data then send a mail to the ffmpeg-dev list, ... + +!warning these alignments might not match reallity, (missing attribute((align)) stuff somewhere possible) +i (michael) didnt check them, these are just the alignents which i think could be reached easily ... + +!future video codecs might need functions with less strict alignment +*/ + +/* +void get_pixels_c(DCTELEM *block, const uint8_t *pixels, int line_size); +void diff_pixels_c(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride); +void put_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size); +void add_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size); +void clear_blocks_c(DCTELEM *blocks); +*/ + +/* add and put pixel (decoding) */ +// blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16 +//h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller then 4 +typedef void (*op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int h); +typedef void (*tpel_mc_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int w, int h); +typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride); +typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y); +typedef void (*h264_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int offset); +typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset); + +#define DEF_OLD_QPEL(name)\ +void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\ +void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\ +void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride); + +DEF_OLD_QPEL(qpel16_mc11_old_c) +DEF_OLD_QPEL(qpel16_mc31_old_c) +DEF_OLD_QPEL(qpel16_mc12_old_c) +DEF_OLD_QPEL(qpel16_mc32_old_c) +DEF_OLD_QPEL(qpel16_mc13_old_c) +DEF_OLD_QPEL(qpel16_mc33_old_c) +DEF_OLD_QPEL(qpel8_mc11_old_c) +DEF_OLD_QPEL(qpel8_mc31_old_c) +DEF_OLD_QPEL(qpel8_mc12_old_c) +DEF_OLD_QPEL(qpel8_mc32_old_c) +DEF_OLD_QPEL(qpel8_mc13_old_c) +DEF_OLD_QPEL(qpel8_mc33_old_c) + +#define CALL_2X_PIXELS(a, b, n)\ +static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\ + b(block , pixels , line_size, h);\ + b(block+n, pixels+n, line_size, h);\ +} + +/* motion estimation */ +// h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller then 2 +// allthough currently h<4 is not used as functions with width <8 are not used and neither implemented +typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align width (8 or 16)*/, uint8_t *blk2/*align 1*/, int line_size, int h)/* __attribute__ ((const))*/; + + +// for snow slices +typedef struct slice_buffer_s slice_buffer; + +/** + * DSPContext. + */ +typedef struct DSPContext { + /* pixel ops : interface with DCT */ + void (*get_pixels)(DCTELEM *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size); + void (*diff_pixels)(DCTELEM *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride); + void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); + void (*put_signed_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); + void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); + void (*add_pixels8)(uint8_t *pixels, DCTELEM *block, int line_size); + void (*add_pixels4)(uint8_t *pixels, DCTELEM *block, int line_size); + /** + * translational global motion compensation. + */ + void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder); + /** + * global motion compensation. + */ + void (*gmc )(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int ox, int oy, + int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height); + void (*clear_blocks)(DCTELEM *blocks/*align 16*/); + int (*pix_sum)(uint8_t * pix, int line_size); + int (*pix_norm1)(uint8_t * pix, int line_size); +// 16x16 8x8 4x4 2x2 16x8 8x4 4x2 8x16 4x8 2x4 + + me_cmp_func sad[5]; /* identical to pix_absAxA except additional void * */ + me_cmp_func sse[5]; + me_cmp_func hadamard8_diff[5]; + me_cmp_func dct_sad[5]; + me_cmp_func quant_psnr[5]; + me_cmp_func bit[5]; + me_cmp_func rd[5]; + me_cmp_func vsad[5]; + me_cmp_func vsse[5]; + me_cmp_func nsse[5]; + me_cmp_func w53[5]; + me_cmp_func w97[5]; + me_cmp_func dct_max[5]; + me_cmp_func dct264_sad[5]; + + me_cmp_func me_pre_cmp[5]; + me_cmp_func me_cmp[5]; + me_cmp_func me_sub_cmp[5]; + me_cmp_func mb_cmp[5]; + me_cmp_func ildct_cmp[5]; //only width 16 used + me_cmp_func frame_skip_cmp[5]; //only width 8 used + + /** + * Halfpel motion compensation with rounding (a+b+1)>>1. + * this is an array[4][4] of motion compensation funcions for 4 + * horizontal blocksizes (8,16) and the 4 halfpel positions<br> + * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination where the result is stored + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + op_pixels_func put_pixels_tab[4][4]; + + /** + * Halfpel motion compensation with rounding (a+b+1)>>1. + * This is an array[4][4] of motion compensation functions for 4 + * horizontal blocksizes (8,16) and the 4 halfpel positions<br> + * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination into which the result is averaged (a+b+1)>>1 + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + op_pixels_func avg_pixels_tab[4][4]; + + /** + * Halfpel motion compensation with no rounding (a+b)>>1. + * this is an array[2][4] of motion compensation funcions for 2 + * horizontal blocksizes (8,16) and the 4 halfpel positions<br> + * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination where the result is stored + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + op_pixels_func put_no_rnd_pixels_tab[4][4]; + + /** + * Halfpel motion compensation with no rounding (a+b)>>1. + * this is an array[2][4] of motion compensation funcions for 2 + * horizontal blocksizes (8,16) and the 4 halfpel positions<br> + * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination into which the result is averaged (a+b)>>1 + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + op_pixels_func avg_no_rnd_pixels_tab[4][4]; + + void (*put_no_rnd_pixels_l2[2])(uint8_t *block/*align width (8 or 16)*/, const uint8_t *a/*align 1*/, const uint8_t *b/*align 1*/, int line_size, int h); + + /** + * Thirdpel motion compensation with rounding (a+b+1)>>1. + * this is an array[12] of motion compensation funcions for the 9 thirdpel positions<br> + * *pixels_tab[ xthirdpel + 4*ythirdpel ] + * @param block destination where the result is stored + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + tpel_mc_func put_tpel_pixels_tab[11]; //FIXME individual func ptr per width? + tpel_mc_func avg_tpel_pixels_tab[11]; //FIXME individual func ptr per width? + + qpel_mc_func put_qpel_pixels_tab[2][16]; + qpel_mc_func avg_qpel_pixels_tab[2][16]; + qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16]; + qpel_mc_func avg_no_rnd_qpel_pixels_tab[2][16]; + qpel_mc_func put_mspel_pixels_tab[8]; + + /** + * h264 Chram MC + */ + h264_chroma_mc_func put_h264_chroma_pixels_tab[3]; + /* This is really one func used in VC-1 decoding */ + h264_chroma_mc_func put_no_rnd_h264_chroma_pixels_tab[3]; + h264_chroma_mc_func avg_h264_chroma_pixels_tab[3]; + + qpel_mc_func put_h264_qpel_pixels_tab[4][16]; + qpel_mc_func avg_h264_qpel_pixels_tab[4][16]; + + qpel_mc_func put_2tap_qpel_pixels_tab[4][16]; + qpel_mc_func avg_2tap_qpel_pixels_tab[4][16]; + + h264_weight_func weight_h264_pixels_tab[10]; + h264_biweight_func biweight_h264_pixels_tab[10]; + + /* AVS specific */ + qpel_mc_func put_cavs_qpel_pixels_tab[2][16]; + qpel_mc_func avg_cavs_qpel_pixels_tab[2][16]; + void (*cavs_filter_lv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); + void (*cavs_filter_lh)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); + void (*cavs_filter_cv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); + void (*cavs_filter_ch)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); + void (*cavs_idct8_add)(uint8_t *dst, DCTELEM *block, int stride); + + me_cmp_func pix_abs[2][4]; + + /* huffyuv specific */ + void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w); + void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w); + /** + * subtract huffyuv's variant of median prediction + * note, this might read from src1[-1], src2[-1] + */ + void (*sub_hfyu_median_prediction)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top); + void (*bswap_buf)(uint32_t *dst, uint32_t *src, int w); + + void (*h264_v_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0); + void (*h264_h_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0); + void (*h264_v_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0); + void (*h264_h_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0); + void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix, int stride, int alpha, int beta); + void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix, int stride, int alpha, int beta); + // h264_loop_filter_strength: simd only. the C version is inlined in h264.c + void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40], int8_t ref[2][40], int16_t mv[2][40][2], + int bidir, int edges, int step, int mask_mv0, int mask_mv1); + + void (*h263_v_loop_filter)(uint8_t *src, int stride, int qscale); + void (*h263_h_loop_filter)(uint8_t *src, int stride, int qscale); + + void (*h261_loop_filter)(uint8_t *src, int stride); + + /* assume len is a multiple of 4, and arrays are 16-byte aligned */ + void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize); + /* assume len is a multiple of 8, and arrays are 16-byte aligned */ + void (*vector_fmul)(float *dst, const float *src, int len); + void (*vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len); + /* assume len is a multiple of 8, and src arrays are 16-byte aligned */ + void (*vector_fmul_add_add)(float *dst, const float *src0, const float *src1, const float *src2, int src3, int len, int step); + + /* C version: convert floats from the range [384.0,386.0] to ints in [-32768,32767] + * simd versions: convert floats from [-32768.0,32767.0] without rescaling and arrays are 16byte aligned */ + void (*float_to_int16)(int16_t *dst, const float *src, int len); + + /* (I)DCT */ + void (*fdct)(DCTELEM *block/* align 16*/); + void (*fdct248)(DCTELEM *block/* align 16*/); + + /* IDCT really*/ + void (*idct)(DCTELEM *block/* align 16*/); + + /** + * block -> idct -> clip to unsigned 8 bit -> dest. + * (-1392, 0, 0, ...) -> idct -> (-174, -174, ...) -> put -> (0, 0, ...) + * @param line_size size in bytes of a horizotal line of dest + */ + void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); + + /** + * block -> idct -> add dest -> clip to unsigned 8 bit -> dest. + * @param line_size size in bytes of a horizotal line of dest + */ + void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); + + /** + * idct input permutation. + * several optimized IDCTs need a permutated input (relative to the normal order of the reference + * IDCT) + * this permutation must be performed before the idct_put/add, note, normally this can be merged + * with the zigzag/alternate scan<br> + * an example to avoid confusion: + * - (->decode coeffs -> zigzag reorder -> dequant -> reference idct ->...) + * - (x -> referece dct -> reference idct -> x) + * - (x -> referece dct -> simple_mmx_perm = idct_permutation -> simple_idct_mmx -> x) + * - (->decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant -> simple_idct_mmx ->...) + */ + uint8_t idct_permutation[64]; + int idct_permutation_type; +#define FF_NO_IDCT_PERM 1 +#define FF_LIBMPEG2_IDCT_PERM 2 +#define FF_SIMPLE_IDCT_PERM 3 +#define FF_TRANSPOSE_IDCT_PERM 4 +#define FF_PARTTRANS_IDCT_PERM 5 + + int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale); + void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale); +#define BASIS_SHIFT 16 +#define RECON_SHIFT 6 + + void (*h264_idct_add)(uint8_t *dst, DCTELEM *block, int stride); + void (*h264_idct8_add)(uint8_t *dst, DCTELEM *block, int stride); + void (*h264_idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride); + void (*h264_idct8_dc_add)(uint8_t *dst, DCTELEM *block, int stride); + + /* snow wavelet */ + void (*vertical_compose97i)(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width); + void (*horizontal_compose97i)(DWTELEM *b, int width); + void (*inner_add_yblock)(uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8); + + void (*prefetch)(void *mem, int stride, int h); + + void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); + + /* vc1 functions */ + void (*vc1_inv_trans_8x8)(DCTELEM *b); + void (*vc1_inv_trans_8x4)(DCTELEM *b, int n); + void (*vc1_inv_trans_4x8)(DCTELEM *b, int n); + void (*vc1_inv_trans_4x4)(DCTELEM *b, int n); + void (*vc1_v_overlap)(uint8_t* src, int stride); + void (*vc1_h_overlap)(uint8_t* src, int stride); + /* put 8x8 block with bicubic interpolation and quarterpel precision + * last argument is actually round value instead of height + */ + op_pixels_func put_vc1_mspel_pixels_tab[16]; +} DSPContext; + +void dsputil_static_init(void); +void dsputil_init(DSPContext* p, AVCodecContext *avctx); + +/** + * permute block according to permuatation. + * @param last last non zero element in scantable order + */ +void ff_block_permute(DCTELEM *block, uint8_t *permutation, const uint8_t *scantable, int last); + +void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type); + +#define BYTE_VEC32(c) ((c)*0x01010101UL) + +static inline uint32_t rnd_avg32(uint32_t a, uint32_t b) +{ + return (a | b) - (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); +} + +static inline uint32_t no_rnd_avg32(uint32_t a, uint32_t b) +{ + return (a & b) + (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); +} + +static inline int get_penalty_factor(int lambda, int lambda2, int type){ + switch(type&0xFF){ + default: + case FF_CMP_SAD: + return lambda>>FF_LAMBDA_SHIFT; + case FF_CMP_DCT: + return (3*lambda)>>(FF_LAMBDA_SHIFT+1); + case FF_CMP_W53: + return (4*lambda)>>(FF_LAMBDA_SHIFT); + case FF_CMP_W97: + return (2*lambda)>>(FF_LAMBDA_SHIFT); + case FF_CMP_SATD: + case FF_CMP_DCT264: + return (2*lambda)>>FF_LAMBDA_SHIFT; + case FF_CMP_RD: + case FF_CMP_PSNR: + case FF_CMP_SSE: + case FF_CMP_NSSE: + return lambda2>>FF_LAMBDA_SHIFT; + case FF_CMP_BIT: + return 1; + } +} + +/** + * Empty mmx state. + * this must be called between any dsp function and float/double code. + * for example sin(); dsp->idct_put(); emms_c(); cos() + */ +#define emms_c() + +/* should be defined by architectures supporting + one or more MultiMedia extension */ +int mm_support(void); + +#ifdef __GNUC__ + #define DECLARE_ALIGNED_16(t,v) t v __attribute__ ((aligned (16))) +#else + #define DECLARE_ALIGNED_16(t,v) __declspec(align(16)) t v +#endif + +#if defined(HAVE_MMX) + +#undef emms_c + +#define MM_MMX 0x0001 /* standard MMX */ +#define MM_3DNOW 0x0004 /* AMD 3DNOW */ +#define MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */ +#define MM_SSE 0x0008 /* SSE functions */ +#define MM_SSE2 0x0010 /* PIV SSE2 functions */ +#define MM_3DNOWEXT 0x0020 /* AMD 3DNowExt */ +#define MM_SSE3 0x0040 /* Prescott SSE3 functions */ + +extern int mm_flags; + +void add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size); +void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size); +void put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size); + +static inline void emms(void) +{ + __asm __volatile ("emms;":::"memory"); +} + + +#define emms_c() \ +{\ + if (mm_flags & MM_MMX)\ + emms();\ +} + +#ifdef __GNUC__ + #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8))) +#else + #define DECLARE_ALIGNED_8(t,v) __declspec(align(8)) t v +#endif + +#define STRIDE_ALIGN 8 + +void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx); +void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx); + +#elif defined(ARCH_ARMV4L) + +/* This is to use 4 bytes read to the IDCT pointers for some 'zero' + line optimizations */ +#define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (4))) +#define STRIDE_ALIGN 4 + +#define MM_IWMMXT 0x0100 /* XScale IWMMXT */ + +extern int mm_flags; + +void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx); + +#elif defined(HAVE_MLIB) + +/* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */ +#define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8))) +#define STRIDE_ALIGN 8 + +void dsputil_init_mlib(DSPContext* c, AVCodecContext *avctx); + +#elif defined(ARCH_SPARC) + +/* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */ +#define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8))) +#define STRIDE_ALIGN 8 +void dsputil_init_vis(DSPContext* c, AVCodecContext *avctx); + +#elif defined(ARCH_ALPHA) + +#define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8))) +#define STRIDE_ALIGN 8 + +void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx); + +#elif defined(ARCH_POWERPC) + +#define MM_ALTIVEC 0x0001 /* standard AltiVec */ + +extern int mm_flags; + +#if defined(HAVE_ALTIVEC) && !defined(CONFIG_DARWIN) +#define pixel altivec_pixel +#include <altivec.h> +#undef pixel +#endif + +#define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (16))) +#define STRIDE_ALIGN 16 + +void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx); + +#elif defined(HAVE_MMI) + +#define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (16))) +#define STRIDE_ALIGN 16 + +void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx); + +#elif defined(ARCH_SH4) + +#define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8))) +#define STRIDE_ALIGN 8 + +void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx); + +#elif defined(ARCH_BFIN) + +#define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8))) +#define STRIDE_ALIGN 8 + +void dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx); + +#else + +#define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8))) +#define STRIDE_ALIGN 8 + +#endif + +#ifdef __GNUC__ + +struct unaligned_64 { uint64_t l; } __attribute__((packed)); +struct unaligned_32 { uint32_t l; } __attribute__((packed)); +struct unaligned_16 { uint16_t l; } __attribute__((packed)); + +#define LD16(a) (((const struct unaligned_16 *) (a))->l) +#define LD32(a) (((const struct unaligned_32 *) (a))->l) +#define LD64(a) (((const struct unaligned_64 *) (a))->l) + +#define ST16(a, b) (((struct unaligned_16 *) (a))->l) = (b) +#define ST32(a, b) (((struct unaligned_32 *) (a))->l) = (b) + +#else /* __GNUC__ */ + +#define LD16(a) (*((uint16_t*)(a))) +#define LD32(a) (*((uint32_t*)(a))) +#define LD64(a) (*((uint64_t*)(a))) + +#define ST16(a, b) *((uint16_t*)(a)) = (b) +#define ST32(a, b) *((uint32_t*)(a)) = (b) + +#endif /* !__GNUC__ */ + +/* PSNR */ +void get_psnr(uint8_t *orig_image[3], uint8_t *coded_image[3], + int orig_linesize[3], int coded_linesize, + AVCodecContext *avctx); + +/* FFT computation */ + +/* NOTE: soon integer code will be added, so you must use the + FFTSample type */ +typedef float FFTSample; + +struct MDCTContext; + +typedef struct FFTComplex { + FFTSample re, im; +} FFTComplex; + +typedef struct FFTContext { + int nbits; + int inverse; + uint16_t *revtab; + FFTComplex *exptab; + FFTComplex *exptab1; /* only used by SSE code */ + void (*fft_calc)(struct FFTContext *s, FFTComplex *z); + void (*imdct_calc)(struct MDCTContext *s, FFTSample *output, + const FFTSample *input, FFTSample *tmp); +} FFTContext; + +int ff_fft_init(FFTContext *s, int nbits, int inverse); +void ff_fft_permute(FFTContext *s, FFTComplex *z); +void ff_fft_calc_c(FFTContext *s, FFTComplex *z); +void ff_fft_calc_sse(FFTContext *s, FFTComplex *z); +void ff_fft_calc_3dn(FFTContext *s, FFTComplex *z); +void ff_fft_calc_3dn2(FFTContext *s, FFTComplex *z); +void ff_fft_calc_altivec(FFTContext *s, FFTComplex *z); + +static inline void ff_fft_calc(FFTContext *s, FFTComplex *z) +{ + s->fft_calc(s, z); +} +void ff_fft_end(FFTContext *s); + +/* MDCT computation */ + +typedef struct MDCTContext { + int n; /* size of MDCT (i.e. number of input data * 2) */ + int nbits; /* n = 2^nbits */ + /* pre/post rotation tables */ + FFTSample *tcos; + FFTSample *tsin; + FFTContext fft; +} MDCTContext; + +int ff_mdct_init(MDCTContext *s, int nbits, int inverse); +void ff_imdct_calc(MDCTContext *s, FFTSample *output, + const FFTSample *input, FFTSample *tmp); +void ff_imdct_calc_3dn2(MDCTContext *s, FFTSample *output, + const FFTSample *input, FFTSample *tmp); +void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output, + const FFTSample *input, FFTSample *tmp); +void ff_mdct_calc(MDCTContext *s, FFTSample *out, + const FFTSample *input, FFTSample *tmp); +void ff_mdct_end(MDCTContext *s); + +#define WARPER8_16(name8, name16)\ +static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\ + return name8(s, dst , src , stride, h)\ + +name8(s, dst+8 , src+8 , stride, h);\ +} + +#define WARPER8_16_SQ(name8, name16)\ +static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\ + int score=0;\ + score +=name8(s, dst , src , stride, 8);\ + score +=name8(s, dst+8 , src+8 , stride, 8);\ + if(h==16){\ + dst += 8*stride;\ + src += 8*stride;\ + score +=name8(s, dst , src , stride, 8);\ + score +=name8(s, dst+8 , src+8 , stride, 8);\ + }\ + return score;\ +} + + +static inline void copy_block2(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h) +{ + int i; + for(i=0; i<h; i++) + { + ST16(dst , LD16(src )); + dst+=dstStride; + src+=srcStride; + } +} + +static inline void copy_block4(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h) +{ + int i; + for(i=0; i<h; i++) + { + ST32(dst , LD32(src )); + dst+=dstStride; + src+=srcStride; + } +} + +static inline void copy_block8(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h) +{ + int i; + for(i=0; i<h; i++) + { + ST32(dst , LD32(src )); + ST32(dst+4 , LD32(src+4 )); + dst+=dstStride; + src+=srcStride; + } +} + +static inline void copy_block9(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h) +{ + int i; + for(i=0; i<h; i++) + { + ST32(dst , LD32(src )); + ST32(dst+4 , LD32(src+4 )); + dst[8]= src[8]; + dst+=dstStride; + src+=srcStride; + } +} + +static inline void copy_block16(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h) +{ + int i; + for(i=0; i<h; i++) + { + ST32(dst , LD32(src )); + ST32(dst+4 , LD32(src+4 )); + ST32(dst+8 , LD32(src+8 )); + ST32(dst+12, LD32(src+12)); + dst+=dstStride; + src+=srcStride; + } +} + +static inline void copy_block17(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h) +{ + int i; + for(i=0; i<h; i++) + { + ST32(dst , LD32(src )); + ST32(dst+4 , LD32(src+4 )); + ST32(dst+8 , LD32(src+8 )); + ST32(dst+12, LD32(src+12)); + dst[16]= src[16]; + dst+=dstStride; + src+=srcStride; + } +} + +#endif |