From f28a2656c365a38995c451d9ff5e98e9e614bd95 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 7 Feb 2010 21:53:55 +0000 Subject: [PATCH] Merge mv&ref related code for spatial direct MV code. a bit more than 10 cpu cycles faster. Originally committed as revision 21678 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264_direct.c | 31 +++++++++++-------------------- 1 file changed, 11 insertions(+), 20 deletions(-) diff --git a/libavcodec/h264_direct.c b/libavcodec/h264_direct.c index 86880b2..159f3ea 100644 --- a/libavcodec/h264_direct.c +++ b/libavcodec/h264_direct.c @@ -231,31 +231,22 @@ single_col: if(refc == PART_NOT_AVAILABLE) refc = h->ref_cache[list][scan8[0] - 8 - 1]; ref[list] = FFMIN3((unsigned)refa, (unsigned)refb, (unsigned)refc); - if(ref[list] < 0) + if(ref[list] >= 0){ + pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]); + }else{ + int mask= ~(MB_TYPE_L0 << (2*list)); + mv[list][0] = mv[list][1] = 0; ref[list] = -1; + if(!is_b8x8) + *mb_type &= mask; + sub_mb_type &= mask; + } } - if(ref[0] < 0 && ref[1] < 0){ ref[0] = ref[1] = 0; - mv[0][0] = mv[0][1] = - mv[1][0] = mv[1][1] = 0; - }else{ - for(list=0; list<2; list++){ - if(ref[list] >= 0) - pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]); - else - mv[list][0] = mv[list][1] = 0; - } - } - - if(ref[1] < 0){ - if(!is_b8x8) - *mb_type &= ~MB_TYPE_L1; - sub_mb_type &= ~MB_TYPE_L1; - }else if(ref[0] < 0){ if(!is_b8x8) - *mb_type &= ~MB_TYPE_L0; - sub_mb_type &= ~MB_TYPE_L0; + *mb_type |= MB_TYPE_L0L1; + sub_mb_type |= MB_TYPE_L0L1; } if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){ -- 2.7.4