diff options
author | Jason Garrett-Glaser <jason@x264.com> | 2011-06-28 00:07:26 +0400 |
---|---|---|
committer | Jason Garrett-Glaser <jason@x264.com> | 2011-07-04 02:05:49 +0400 |
commit | 4320a309ce10a7eec93aef239a0776a33b1a5a34 (patch) | |
tree | 64b8586dd4beb24c83fec9459f55d00ece265352 | |
parent | abc78a5a7c158e9813db502cedce096101e38890 (diff) |
H.264: make filter_mb_fast support the case of unavailable top mb
Significantly faster deblocking in streams with lots of slices.
-rw-r--r-- | libavcodec/h264_loopfilter.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/libavcodec/h264_loopfilter.c b/libavcodec/h264_loopfilter.c index bdfbce79f0..1575b1b3d9 100644 --- a/libavcodec/h264_loopfilter.c +++ b/libavcodec/h264_loopfilter.c @@ -215,19 +215,20 @@ static void av_always_inline filter_mb_edgech( uint8_t *pix, int stride, int16_t 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) { MpegEncContext * const s = &h->s; int mb_xy; - int mb_type, left_type; + int mb_type, left_type, top_type; int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh; int chroma = !(CONFIG_GRAY && (s->flags&CODEC_FLAG_GRAY)); int chroma444 = CHROMA444; mb_xy = h->mb_xy; - if(!h->top_type || !h->h264dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) { + 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[0]; + top_type= h->top_type; mb_type = s->current_picture.mb_type[mb_xy]; qp = s->current_picture.qscale_table[mb_xy]; @@ -253,13 +254,17 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h); if( IS_8x8DCT(mb_type) ) { filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h); - filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h); + if(top_type){ + filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h); + } filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h); } else { filter_mb_edgev( &img_y[4*1], linesize, bS3, qp, h); filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h); filter_mb_edgev( &img_y[4*3], linesize, bS3, qp, h); - filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h); + if(top_type){ + filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h); + } filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, h); filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h); filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, h); @@ -273,8 +278,10 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, if( IS_8x8DCT(mb_type) ) { filter_mb_edgev( &img_cb[4*2], linesize, bS3, qpc, h); filter_mb_edgev( &img_cr[4*2], linesize, bS3, qpc, h); - filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, h); - filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, h); + if(top_type){ + filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, h); + filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, h); + } filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, h); filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, h); } else { @@ -284,8 +291,10 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, filter_mb_edgev( &img_cr[4*2], linesize, bS3, qpc, h); filter_mb_edgev( &img_cb[4*3], linesize, bS3, qpc, h); filter_mb_edgev( &img_cr[4*3], linesize, bS3, qpc, h); - filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, h); - filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, h); + if(top_type){ + filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, h); + filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, h); + } filter_mb_edgeh( &img_cb[4*1*linesize], linesize, bS3, qpc, h); filter_mb_edgeh( &img_cr[4*1*linesize], linesize, bS3, qpc, h); filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, h); @@ -300,9 +309,11 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, } filter_mb_edgecv( &img_cb[2*2], uvlinesize, bS3, qpc, h); filter_mb_edgecv( &img_cr[2*2], uvlinesize, bS3, qpc, h); - filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, h); + if(top_type){ + filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, h); + filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, h); + } filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, h); - filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, h); filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, h); } } @@ -326,7 +337,7 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, } if( IS_INTRA(left_type) ) AV_WN64A(bS[0][0], 0x0004000400040004ULL); - if( IS_INTRA(h->top_type) ) + if( IS_INTRA(top_type) ) AV_WN64A(bS[1][0], FIELD_PICTURE ? 0x0003000300030003ULL : 0x0004000400040004ULL); #define FILTER(hv,dir,edge)\ @@ -345,16 +356,19 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, if(left_type) FILTER(v,0,0); if( edges == 1 ) { - FILTER(h,1,0); + if(top_type) + FILTER(h,1,0); } else if( IS_8x8DCT(mb_type) ) { FILTER(v,0,2); - FILTER(h,1,0); + if(top_type) + FILTER(h,1,0); FILTER(h,1,2); } else { FILTER(v,0,1); FILTER(v,0,2); FILTER(v,0,3); - FILTER(h,1,0); + if(top_type) + FILTER(h,1,0); FILTER(h,1,1); FILTER(h,1,2); FILTER(h,1,3); |