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H.264: add filter_mb_fast support for >8-bit decoding

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Much faster high bit depth deblocking.
This commit is contained in:
Jason Garrett-Glaser
2011-07-11 14:46:37 -07:00
parent 5ccbf80963
commit b5bbc84fe2
2 changed files with 59 additions and 48 deletions
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104
libavcodec/h264_loopfilter.c
View File

@@ -207,56 +207,48 @@ static void av_always_inline filter_mb_edgech( uint8_t *pix, int stride, const i
}
}
void ff_h264_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 void av_always_inline h264_filter_mb_fast_internal( 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, int pixel_shift) {
MpegEncContext * const s = &h->s;
int mb_xy;
int mb_type, left_type, top_type;
int qp, qp0, qp1, qpc, qpc0, qpc1;
int chroma = !(CONFIG_GRAY && (s->flags&CODEC_FLAG_GRAY));
int chroma444 = CHROMA444;
int qp_bd_offset, a, b;
mb_xy = h->mb_xy;
int mb_xy = h->mb_xy;
int left_type= h->left_type[LTOP];
int top_type= h->top_type;
if(!h->h264dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {
ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
return;
}
assert(!FRAME_MBAFF);
left_type= h->left_type[LTOP];
top_type= h->top_type;
int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
int a = h->slice_alpha_c0_offset - qp_bd_offset;
int b = h->slice_beta_offset - qp_bd_offset;
mb_type = s->current_picture.f.mb_type[mb_xy];
qp = s->current_picture.f.qscale_table[mb_xy];
qp0 = s->current_picture.f.qscale_table[mb_xy - 1];
qp1 = s->current_picture.f.qscale_table[h->top_mb_xy];
qpc = get_chroma_qp( h, 0, qp );
qpc0 = get_chroma_qp( h, 0, qp0 );
qpc1 = get_chroma_qp( h, 0, qp1 );
int mb_type = s->current_picture.f.mb_type[mb_xy];
int qp = s->current_picture.f.qscale_table[mb_xy];
int qp0 = s->current_picture.f.qscale_table[mb_xy - 1];
int qp1 = s->current_picture.f.qscale_table[h->top_mb_xy];
int qpc = get_chroma_qp( h, 0, qp );
int qpc0 = get_chroma_qp( h, 0, qp0 );
int qpc1 = get_chroma_qp( h, 0, qp1 );
qp0 = (qp + qp0 + 1) >> 1;
qp1 = (qp + qp1 + 1) >> 1;
qpc0 = (qpc + qpc0 + 1) >> 1;
qpc1 = (qpc + qpc1 + 1) >> 1;
qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
a = h->slice_alpha_c0_offset - qp_bd_offset;
b = h->slice_beta_offset - qp_bd_offset;
if( IS_INTRA(mb_type) ) {
static const int16_t bS4[4] = {4,4,4,4};
static const int16_t bS3[4] = {3,3,3,3};
const int16_t *bSH = FIELD_PICTURE ? bS3 : bS4;
if(left_type)
filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, a, b, h, 1);
filter_mb_edgev( &img_y[4*0<<pixel_shift], linesize, bS4, qp0, a, b, h, 1);
if( IS_8x8DCT(mb_type) ) {
filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, a, b, h, 0);
filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
if(top_type){
filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);
}
filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);
} else {
filter_mb_edgev( &img_y[4*1], linesize, bS3, qp, a, b, h, 0);
filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, a, b, h, 0);
filter_mb_edgev( &img_y[4*3], linesize, bS3, qp, a, b, h, 0);
filter_mb_edgev( &img_y[4*1<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
filter_mb_edgev( &img_y[4*3<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
if(top_type){
filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);
}
@@ -267,12 +259,12 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
if(chroma){
if(chroma444){
if(left_type){
filter_mb_edgev( &img_cb[4*0], linesize, bS4, qpc0, a, b, h, 1);
filter_mb_edgev( &img_cr[4*0], linesize, bS4, qpc0, a, b, h, 1);
filter_mb_edgev( &img_cb[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
filter_mb_edgev( &img_cr[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
}
if( IS_8x8DCT(mb_type) ) {
filter_mb_edgev( &img_cb[4*2], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*2], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
if(top_type){
filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
@@ -280,12 +272,12 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
} else {
filter_mb_edgev( &img_cb[4*1], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*1], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cb[4*2], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*2], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cb[4*3], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*3], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cb[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cb[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
if(top_type){
filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
@@ -299,11 +291,11 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
}
}else{
if(left_type){
filter_mb_edgecv( &img_cb[2*0], uvlinesize, bS4, qpc0, a, b, h, 1);
filter_mb_edgecv( &img_cr[2*0], uvlinesize, bS4, qpc0, a, b, h, 1);
filter_mb_edgecv( &img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
filter_mb_edgecv( &img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
}
filter_mb_edgecv( &img_cb[2*2], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgecv( &img_cr[2*2], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgecv( &img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgecv( &img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
if(top_type){
filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
@@ -337,14 +329,14 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
#define FILTER(hv,dir,edge,intra)\
if(AV_RN64A(bS[dir][edge])) { \
filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir, a, b, h, intra );\
filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qp : qp##dir, a, b, h, intra );\
if(chroma){\
if(chroma444){\
filter_mb_edge##hv( &img_cb[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
filter_mb_edge##hv( &img_cr[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
filter_mb_edge##hv( &img_cb[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
filter_mb_edge##hv( &img_cr[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
} else if(!(edge&1)) {\
filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
}\
}\
}
@@ -372,6 +364,24 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
}
}
void ff_h264_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) {
assert(!FRAME_MBAFF);
if(!h->h264dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {
ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
return;
}
#if CONFIG_SMALL
h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, h->pixel_shift);
#else
if(h->pixel_shift){
h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 1);
}else{
h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 0);
}
#endif
}
static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
int v;

3
libavcodec/x86/h264dsp_mmx.c
View File

@@ -354,10 +354,11 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth)
{
int mm_flags = av_get_cpu_flags();
if (bit_depth == 8) {
if (mm_flags & AV_CPU_FLAG_MMX2) {
c->h264_loop_filter_strength= h264_loop_filter_strength_mmx2;
}
if (bit_depth == 8) {
#if HAVE_YASM
if (mm_flags & AV_CPU_FLAG_MMX) {
c->h264_idct_dc_add =