From e6e77eb6fae2e5bb6562467ed80d4f451ffe698d Mon Sep 17 00:00:00 2001 From: Loren Merritt Date: Wed, 4 Oct 2006 07:08:26 +0000 Subject: [PATCH] simplify write_back_motion for skip mbs Originally committed as revision 6548 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/libavcodec/h264.c b/libavcodec/h264.c index e2388a7..8602276 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -1714,6 +1714,9 @@ static inline void write_back_motion(H264Context *h, int mb_type){ *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y]; } if( h->pps.cabac ) { + if(IS_SKIP(mb_type)) + fill_rectangle(h->mvd_table[list][b_xy], 4, 4, h->b_stride, 0, 4); + else for(y=0; y<4; y++){ *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y]; *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y]; @@ -5110,10 +5113,7 @@ static void decode_mb_skip(H264Context *h){ fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ... pred_direct_motion(h, &mb_type); - if(h->pps.cabac){ - fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4); - fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4); - } + mb_type|= MB_TYPE_SKIP; } else { @@ -5124,12 +5124,10 @@ static void decode_mb_skip(H264Context *h){ pred_pskip_motion(h, &mx, &my); fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1); fill_rectangle( h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4); - if(h->pps.cabac) - fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4); } write_back_motion(h, mb_type); - s->current_picture.mb_type[mb_xy]= mb_type|MB_TYPE_SKIP; + s->current_picture.mb_type[mb_xy]= mb_type; s->current_picture.qscale_table[mb_xy]= s->qscale; h->slice_table[ mb_xy ]= h->slice_num; h->prev_mb_skipped= 1; -- 2.7.4