/*
* DSP utils
- * Copyright (c) 2000, 2001 Fabrice Bellard.
+ * Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
*/
/**
- * @file dsputil.c
+ * @file libavcodec/dsputil.c
* DSP utils
*/
#include "simple_idct.h"
#include "faandct.h"
#include "faanidct.h"
+#include "mathops.h"
#include "h263.h"
#include "snow.h"
/* pngdec.c */
void ff_add_png_paeth_prediction(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp);
+/* eaidct.c */
+void ff_ea_idct_put_c(uint8_t *dest, int linesize, DCTELEM *block);
+
uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP] = {0, };
uint32_t ff_squareTbl[512] = {0, };
int j;
j = src_scantable[i];
st->permutated[i] = permutation[j];
-#ifdef ARCH_POWERPC
+#if ARCH_PPC
st->inverse[j] = i;
#endif
}
}
-#ifdef CONFIG_SNOW_ENCODER //dwt is in snow.c
+#if CONFIG_SNOW_ENCODER //dwt is in snow.c
static inline int w_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int w, int h, int type){
int s, i, j;
const int dec_count= w==8 ? 3 : 4;
}
}
-#ifdef CONFIG_CAVS_DECODER
+#if CONFIG_CAVS_DECODER
/* AVS specific */
void ff_cavsdsp_init(DSPContext* c, AVCodecContext *avctx);
}
#endif /* CONFIG_CAVS_DECODER */
-#if defined(CONFIG_VC1_DECODER) || defined(CONFIG_WMV3_DECODER)
+#if CONFIG_VC1_DECODER || CONFIG_WMV3_DECODER
/* VC-1 specific */
void ff_vc1dsp_init(DSPContext* c, AVCodecContext *avctx);
void ff_put_vc1_mspel_mc00_c(uint8_t *dst, uint8_t *src, int stride, int rnd) {
put_pixels8_c(dst, src, stride, 8);
}
+void ff_avg_vc1_mspel_mc00_c(uint8_t *dst, uint8_t *src, int stride, int rnd) {
+ avg_pixels8_c(dst, src, stride, 8);
+}
#endif /* CONFIG_VC1_DECODER||CONFIG_WMV3_DECODER */
void ff_intrax8dsp_init(DSPContext* c, AVCodecContext *avctx);
/* H264 specific */
void ff_h264dspenc_init(DSPContext* c, AVCodecContext *avctx);
+#if CONFIG_RV30_DECODER
+void ff_rv30dsp_init(DSPContext* c, AVCodecContext *avctx);
+#endif /* CONFIG_RV30_DECODER */
+
+#if CONFIG_RV40_DECODER
+static void put_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, int stride){
+ put_pixels16_xy2_c(dst, src, stride, 16);
+}
+static void avg_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, int stride){
+ avg_pixels16_xy2_c(dst, src, stride, 16);
+}
+static void put_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, int stride){
+ put_pixels8_xy2_c(dst, src, stride, 8);
+}
+static void avg_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, int stride){
+ avg_pixels8_xy2_c(dst, src, stride, 8);
+}
+
+void ff_rv40dsp_init(DSPContext* c, AVCodecContext *avctx);
+#endif /* CONFIG_RV40_DECODER */
+
static void wmv2_mspel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int w){
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
int i;
}
static void h263_v_loop_filter_c(uint8_t *src, int stride, int qscale){
- if(ENABLE_ANY_H263) {
+ if(CONFIG_ANY_H263) {
int x;
const int strength= ff_h263_loop_filter_strength[qscale];
}
static void h263_h_loop_filter_c(uint8_t *src, int stride, int qscale){
- if(ENABLE_ANY_H263) {
+ if(CONFIG_ANY_H263) {
int y;
const int strength= ff_h263_loop_filter_strength[qscale];
h264_loop_filter_luma_c(pix, 1, stride, alpha, beta, tc0);
}
+static inline void h264_loop_filter_luma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta)
+{
+ int d;
+ for( d = 0; d < 16; d++ ) {
+ const int p2 = pix[-3*xstride];
+ const int p1 = pix[-2*xstride];
+ const int p0 = pix[-1*xstride];
+
+ const int q0 = pix[ 0*xstride];
+ const int q1 = pix[ 1*xstride];
+ const int q2 = pix[ 2*xstride];
+
+ 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*xstride];
+ /* p0', p1', p2' */
+ pix[-1*xstride] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
+ pix[-2*xstride] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
+ pix[-3*xstride] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
+ } else {
+ /* p0' */
+ pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
+ }
+ if( FFABS( q2 - q0 ) < beta)
+ {
+ const int q3 = pix[3*xstride];
+ /* q0', q1', q2' */
+ pix[0*xstride] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
+ pix[1*xstride] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
+ pix[2*xstride] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
+ } else {
+ /* q0' */
+ pix[0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
+ }
+ }else{
+ /* p0', q0' */
+ pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
+ pix[ 0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
+ }
+ }
+ pix += ystride;
+ }
+}
+static void h264_v_loop_filter_luma_intra_c(uint8_t *pix, int stride, int alpha, int beta)
+{
+ h264_loop_filter_luma_intra_c(pix, stride, 1, alpha, beta);
+}
+static void h264_h_loop_filter_luma_intra_c(uint8_t *pix, int stride, int alpha, int beta)
+{
+ h264_loop_filter_luma_intra_c(pix, 1, stride, alpha, beta);
+}
+
static inline void h264_loop_filter_chroma_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0)
{
int i, d;
void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type){
int i;
- memset(cmp, 0, sizeof(void*)*5);
+ memset(cmp, 0, sizeof(void*)*6);
- for(i=0; i<5; i++){
+ for(i=0; i<6; i++){
switch(type&0xFF){
case FF_CMP_SAD:
cmp[i]= c->sad[i];
case FF_CMP_NSSE:
cmp[i]= c->nsse[i];
break;
-#ifdef CONFIG_SNOW_ENCODER
+#if CONFIG_SNOW_ENCODER
case FF_CMP_W53:
cmp[i]= c->w53[i];
break;
}
}
+static void clear_block_c(DCTELEM *block)
+{
+ memset(block, 0, sizeof(DCTELEM)*64);
+}
+
/**
* memset(blocks, 0, sizeof(DCTELEM)*6*64)
*/
static void diff_bytes_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
long i;
-#ifndef HAVE_FAST_UNALIGNED
+#if !HAVE_FAST_UNALIGNED
if((long)src2 & (sizeof(long)-1)){
for(i=0; i+7<w; i+=8){
dst[i+0] = src1[i+0]-src2[i+0];
dst[i+0] = src1[i+0]-src2[i+0];
}
+static void add_hfyu_median_prediction_c(uint8_t *dst, uint8_t *src1, uint8_t *diff, int w, int *left, int *left_top){
+ int i;
+ uint8_t l, lt;
+
+ l= *left;
+ lt= *left_top;
+
+ for(i=0; i<w; i++){
+ l= mid_pred(l, src1[i], (l + src1[i] - lt)&0xFF) + diff[i];
+ lt= src1[i];
+ dst[i]= l;
+ }
+
+ *left= l;
+ *left_top= lt;
+}
+
static void sub_hfyu_median_prediction_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top){
int i;
uint8_t l, lt;
return s->dsp.sum_abs_dctelem(temp);
}
-#ifdef CONFIG_GPL
+#if CONFIG_GPL
#define DCT8_1D {\
const int s07 = SRC(0) + SRC(7);\
const int s16 = SRC(1) + SRC(6);\
return bits;
}
-static int vsad_intra16_c(/*MpegEncContext*/ void *c, uint8_t *s, uint8_t *dummy, int stride, int h){
- int score=0;
- int x,y;
-
- for(y=1; y<h; y++){
- for(x=0; x<16; x+=4){
- score+= FFABS(s[x ] - s[x +stride]) + FFABS(s[x+1] - s[x+1+stride])
- +FFABS(s[x+2] - s[x+2+stride]) + FFABS(s[x+3] - s[x+3+stride]);
- }
- s+= stride;
- }
-
- return score;
-}
+#define VSAD_INTRA(size) \
+static int vsad_intra##size##_c(/*MpegEncContext*/ void *c, uint8_t *s, uint8_t *dummy, int stride, int h){ \
+ int score=0; \
+ int x,y; \
+ \
+ for(y=1; y<h; y++){ \
+ for(x=0; x<size; x+=4){ \
+ score+= FFABS(s[x ] - s[x +stride]) + FFABS(s[x+1] - s[x+1+stride]) \
+ +FFABS(s[x+2] - s[x+2+stride]) + FFABS(s[x+3] - s[x+3+stride]); \
+ } \
+ s+= stride; \
+ } \
+ \
+ return score; \
+}
+VSAD_INTRA(8)
+VSAD_INTRA(16)
static int vsad16_c(/*MpegEncContext*/ void *c, uint8_t *s1, uint8_t *s2, int stride, int h){
int score=0;
}
#define SQ(a) ((a)*(a))
-static int vsse_intra16_c(/*MpegEncContext*/ void *c, uint8_t *s, uint8_t *dummy, int stride, int h){
- int score=0;
- int x,y;
-
- for(y=1; y<h; y++){
- for(x=0; x<16; x+=4){
- score+= SQ(s[x ] - s[x +stride]) + SQ(s[x+1] - s[x+1+stride])
- +SQ(s[x+2] - s[x+2+stride]) + SQ(s[x+3] - s[x+3+stride]);
- }
- s+= stride;
- }
-
- return score;
-}
+#define VSSE_INTRA(size) \
+static int vsse_intra##size##_c(/*MpegEncContext*/ void *c, uint8_t *s, uint8_t *dummy, int stride, int h){ \
+ int score=0; \
+ int x,y; \
+ \
+ for(y=1; y<h; y++){ \
+ for(x=0; x<size; x+=4){ \
+ score+= SQ(s[x ] - s[x +stride]) + SQ(s[x+1] - s[x+1+stride]) \
+ +SQ(s[x+2] - s[x+2+stride]) + SQ(s[x+3] - s[x+3+stride]); \
+ } \
+ s+= stride; \
+ } \
+ \
+ return score; \
+}
+VSSE_INTRA(8)
+VSSE_INTRA(16)
static int vsse16_c(/*MpegEncContext*/ void *c, uint8_t *s1, uint8_t *s2, int stride, int h){
int score=0;
WRAPPER8_16_SQ(hadamard8_diff8x8_c, hadamard8_diff16_c)
WRAPPER8_16_SQ(hadamard8_intra8x8_c, hadamard8_intra16_c)
WRAPPER8_16_SQ(dct_sad8x8_c, dct_sad16_c)
-#ifdef CONFIG_GPL
+#if CONFIG_GPL
WRAPPER8_16_SQ(dct264_sad8x8_c, dct264_sad16_c)
#endif
WRAPPER8_16_SQ(dct_max8x8_c, dct_max16_c)
}
}
+static void int32_to_float_fmul_scalar_c(float *dst, const int *src, float mul, int len){
+ int i;
+ for(i=0; i<len; i++)
+ dst[i] = src[i] * mul;
+}
+
static av_always_inline int float_to_int16_one(const float *src){
int_fast32_t tmp = *(const int32_t*)src;
if(tmp & 0xf0000){
static int did_fail=0;
DECLARE_ALIGNED_16(int, aligned);
- if((long)&aligned & 15){
+ if((intptr_t)&aligned & 15){
if(!did_fail){
-#if defined(HAVE_MMX) || defined(HAVE_ALTIVEC)
+#if HAVE_MMX || HAVE_ALTIVEC
av_log(NULL, AV_LOG_ERROR,
"Compiler did not align stack variables. Libavcodec has been miscompiled\n"
"and may be very slow or crash. This is not a bug in libavcodec,\n"
ff_check_alignment();
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
if(avctx->dct_algo==FF_DCT_FASTINT) {
c->fdct = fdct_ifast;
c->fdct248 = fdct_ifast248;
#endif //CONFIG_ENCODERS
if(avctx->lowres==1){
- if(avctx->idct_algo==FF_IDCT_INT || avctx->idct_algo==FF_IDCT_AUTO || !ENABLE_H264_DECODER){
+ if(avctx->idct_algo==FF_IDCT_INT || avctx->idct_algo==FF_IDCT_AUTO || !CONFIG_H264_DECODER){
c->idct_put= ff_jref_idct4_put;
c->idct_add= ff_jref_idct4_add;
}else{
c->idct_add= ff_jref_idct_add;
c->idct = j_rev_dct;
c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
- }else if((ENABLE_VP3_DECODER || ENABLE_VP5_DECODER || ENABLE_VP6_DECODER || ENABLE_THEORA_DECODER ) &&
+ }else if((CONFIG_VP3_DECODER || CONFIG_VP5_DECODER || CONFIG_VP6_DECODER || CONFIG_THEORA_DECODER ) &&
avctx->idct_algo==FF_IDCT_VP3){
c->idct_put= ff_vp3_idct_put_c;
c->idct_add= ff_vp3_idct_add_c;
c->idct_add= ff_faanidct_add;
c->idct = ff_faanidct;
c->idct_permutation_type= FF_NO_IDCT_PERM;
+ }else if(CONFIG_EATGQ_DECODER && avctx->idct_algo==FF_IDCT_EA) {
+ c->idct_put= ff_ea_idct_put_c;
+ c->idct_permutation_type= FF_NO_IDCT_PERM;
}else{ //accurate/default
c->idct_put= ff_simple_idct_put;
c->idct_add= ff_simple_idct_add;
}
}
- if (ENABLE_H264_DECODER) {
+ if (CONFIG_H264_DECODER) {
c->h264_idct_add= ff_h264_idct_add_c;
c->h264_idct8_add= ff_h264_idct8_add_c;
c->h264_idct_dc_add= ff_h264_idct_dc_add_c;
c->h264_idct8_dc_add= ff_h264_idct8_dc_add_c;
+ c->h264_idct_add16 = ff_h264_idct_add16_c;
+ c->h264_idct8_add4 = ff_h264_idct8_add4_c;
+ c->h264_idct_add8 = ff_h264_idct_add8_c;
+ c->h264_idct_add16intra= ff_h264_idct_add16intra_c;
}
c->get_pixels = get_pixels_c;
c->sum_abs_dctelem = sum_abs_dctelem_c;
c->gmc1 = gmc1_c;
c->gmc = ff_gmc_c;
+ c->clear_block = clear_block_c;
c->clear_blocks = clear_blocks_c;
c->pix_sum = pix_sum_c;
c->pix_norm1 = pix_norm1_c;
c->draw_edges = draw_edges_c;
-#ifdef CONFIG_CAVS_DECODER
+#if CONFIG_CAVS_DECODER
ff_cavsdsp_init(c,avctx);
#endif
-#if defined(CONFIG_VC1_DECODER) || defined(CONFIG_WMV3_DECODER)
+#if CONFIG_VC1_DECODER || CONFIG_WMV3_DECODER
ff_vc1dsp_init(c,avctx);
#endif
-#if defined(CONFIG_WMV2_DECODER) || defined(CONFIG_VC1_DECODER) || defined(CONFIG_WMV3_DECODER)
+#if CONFIG_WMV2_DECODER || CONFIG_VC1_DECODER || CONFIG_WMV3_DECODER
ff_intrax8dsp_init(c,avctx);
#endif
-#if defined(CONFIG_H264_ENCODER)
- ff_h264dspenc_init(c,avctx);
+#if CONFIG_RV30_DECODER
+ ff_rv30dsp_init(c,avctx);
+#endif
+#if CONFIG_RV40_DECODER
+ ff_rv40dsp_init(c,avctx);
+ c->put_rv40_qpel_pixels_tab[0][15] = put_rv40_qpel16_mc33_c;
+ c->avg_rv40_qpel_pixels_tab[0][15] = avg_rv40_qpel16_mc33_c;
+ c->put_rv40_qpel_pixels_tab[1][15] = put_rv40_qpel8_mc33_c;
+ c->avg_rv40_qpel_pixels_tab[1][15] = avg_rv40_qpel8_mc33_c;
#endif
c->put_mspel_pixels_tab[0]= put_mspel8_mc00_c;
SET_CMP_FUNC(hadamard8_diff)
c->hadamard8_diff[4]= hadamard8_intra16_c;
+ c->hadamard8_diff[5]= hadamard8_intra8x8_c;
SET_CMP_FUNC(dct_sad)
SET_CMP_FUNC(dct_max)
-#ifdef CONFIG_GPL
+#if CONFIG_GPL
SET_CMP_FUNC(dct264_sad)
#endif
c->sad[0]= pix_abs16_c;
SET_CMP_FUNC(bit)
c->vsad[0]= vsad16_c;
c->vsad[4]= vsad_intra16_c;
+ c->vsad[5]= vsad_intra8_c;
c->vsse[0]= vsse16_c;
c->vsse[4]= vsse_intra16_c;
+ c->vsse[5]= vsse_intra8_c;
c->nsse[0]= nsse16_c;
c->nsse[1]= nsse8_c;
-#ifdef CONFIG_SNOW_ENCODER
+#if CONFIG_SNOW_ENCODER
c->w53[0]= w53_16_c;
c->w53[1]= w53_8_c;
c->w97[0]= w97_16_c;
c->add_bytes= add_bytes_c;
c->add_bytes_l2= add_bytes_l2_c;
c->diff_bytes= diff_bytes_c;
+ c->add_hfyu_median_prediction= add_hfyu_median_prediction_c;
c->sub_hfyu_median_prediction= sub_hfyu_median_prediction_c;
c->bswap_buf= bswap_buf;
-#ifdef CONFIG_PNG_DECODER
+#if CONFIG_PNG_DECODER
c->add_png_paeth_prediction= ff_add_png_paeth_prediction;
#endif
c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_c;
c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_c;
+ c->h264_v_loop_filter_luma_intra= h264_v_loop_filter_luma_intra_c;
+ c->h264_h_loop_filter_luma_intra= h264_h_loop_filter_luma_intra_c;
c->h264_v_loop_filter_chroma= h264_v_loop_filter_chroma_c;
c->h264_h_loop_filter_chroma= h264_h_loop_filter_chroma_c;
c->h264_v_loop_filter_chroma_intra= h264_v_loop_filter_chroma_intra_c;
c->h264_h_loop_filter_chroma_intra= h264_h_loop_filter_chroma_intra_c;
c->h264_loop_filter_strength= NULL;
- if (ENABLE_ANY_H263) {
+ if (CONFIG_ANY_H263) {
c->h263_h_loop_filter= h263_h_loop_filter_c;
c->h263_v_loop_filter= h263_v_loop_filter_c;
}
+ if (CONFIG_VP3_DECODER || CONFIG_THEORA_DECODER) {
+ c->vp3_h_loop_filter= ff_vp3_h_loop_filter_c;
+ c->vp3_v_loop_filter= ff_vp3_v_loop_filter_c;
+ }
+ if (CONFIG_VP6_DECODER) {
+ c->vp6_filter_diag4= ff_vp6_filter_diag4_c;
+ }
+
c->h261_loop_filter= h261_loop_filter_c;
c->try_8x8basis= try_8x8basis_c;
c->add_8x8basis= add_8x8basis_c;
-#ifdef CONFIG_SNOW_DECODER
+#if CONFIG_SNOW_DECODER
c->vertical_compose97i = ff_snow_vertical_compose97i;
c->horizontal_compose97i = ff_snow_horizontal_compose97i;
c->inner_add_yblock = ff_snow_inner_add_yblock;
#endif
-#ifdef CONFIG_VORBIS_DECODER
+#if CONFIG_VORBIS_DECODER
c->vorbis_inverse_coupling = vorbis_inverse_coupling;
#endif
-#ifdef CONFIG_AC3_DECODER
+#if CONFIG_AC3_DECODER
c->ac3_downmix = ff_ac3_downmix_c;
#endif
-#ifdef CONFIG_FLAC_ENCODER
+#if CONFIG_FLAC_ENCODER
c->flac_compute_autocorr = ff_flac_compute_autocorr;
#endif
c->vector_fmul = vector_fmul_c;
c->vector_fmul_reverse = vector_fmul_reverse_c;
c->vector_fmul_add_add = ff_vector_fmul_add_add_c;
c->vector_fmul_window = ff_vector_fmul_window_c;
+ c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_c;
c->float_to_int16 = ff_float_to_int16_c;
c->float_to_int16_interleave = ff_float_to_int16_interleave_c;
c->add_int16 = add_int16_c;
memset(c->put_2tap_qpel_pixels_tab, 0, sizeof(c->put_2tap_qpel_pixels_tab));
memset(c->avg_2tap_qpel_pixels_tab, 0, sizeof(c->avg_2tap_qpel_pixels_tab));
- if (ENABLE_MMX) dsputil_init_mmx (c, avctx);
- if (ENABLE_ARMV4L) dsputil_init_armv4l(c, avctx);
- if (ENABLE_MLIB) dsputil_init_mlib (c, avctx);
- if (ENABLE_VIS) dsputil_init_vis (c, avctx);
- if (ENABLE_ALPHA) dsputil_init_alpha (c, avctx);
- if (ENABLE_POWERPC) dsputil_init_ppc (c, avctx);
- if (ENABLE_MMI) dsputil_init_mmi (c, avctx);
- if (ENABLE_SH4) dsputil_init_sh4 (c, avctx);
- if (ENABLE_BFIN) dsputil_init_bfin (c, avctx);
+ if (HAVE_MMX) dsputil_init_mmx (c, avctx);
+ if (ARCH_ARM) dsputil_init_arm (c, avctx);
+ if (CONFIG_MLIB) dsputil_init_mlib (c, avctx);
+ if (HAVE_VIS) dsputil_init_vis (c, avctx);
+ if (ARCH_ALPHA) dsputil_init_alpha (c, avctx);
+ if (ARCH_PPC) dsputil_init_ppc (c, avctx);
+ if (HAVE_MMI) dsputil_init_mmi (c, avctx);
+ if (ARCH_SH4) dsputil_init_sh4 (c, avctx);
+ if (ARCH_BFIN) dsputil_init_bfin (c, avctx);
for(i=0; i<64; i++){
if(!c->put_2tap_qpel_pixels_tab[0][i])
projects / frescor / ffmpeg.git / blobdiff