From 9b5fab918b79e9404a68becabc367b58bae6f847 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 5 Aug 2008 11:33:40 +0000 Subject: [PATCH] Simplify l1mv/l1ref calculation. Originally committed as revision 14621 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 6980304fa07..9ab87196274 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -973,16 +973,6 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){ int *col_poc = h->ref_list[1]->field_poc; int col_parity = FFABS(col_poc[0] - cur_poc) >= FFABS(col_poc[1] - cur_poc); mb_xy= s->mb_x + ((s->mb_y&~1) + col_parity)*s->mb_stride; - l1mv0 = &h->ref_list[1][0].motion_val[0][h->mb2b_xy [mb_xy]]; - l1mv1 = &h->ref_list[1][0].motion_val[1][h->mb2b_xy [mb_xy]]; - l1ref0 = &h->ref_list[1][0].ref_index [0][h->mb2b8_xy[mb_xy]]; - l1ref1 = &h->ref_list[1][0].ref_index [1][h->mb2b8_xy[mb_xy]]; - if(s->mb_y&1){ - l1ref0 += b8_stride; - l1ref1 += b8_stride; - l1mv0 += 2*b4_stride; - l1mv1 += 2*b4_stride; - } b8_stride = 0; } }else if(!(s->picture_structure & h->ref_list[1][0].reference)){// FL -> FL & differ parity @@ -1026,11 +1016,17 @@ single_col: } } - if(b8_stride){ l1mv0 = &h->ref_list[1][0].motion_val[0][h->mb2b_xy [mb_xy]]; l1mv1 = &h->ref_list[1][0].motion_val[1][h->mb2b_xy [mb_xy]]; l1ref0 = &h->ref_list[1][0].ref_index [0][h->mb2b8_xy[mb_xy]]; l1ref1 = &h->ref_list[1][0].ref_index [1][h->mb2b8_xy[mb_xy]]; + if(!b8_stride){ + if(s->mb_y&1){ + l1ref0 += h->b8_stride; + l1ref1 += h->b8_stride; + l1mv0 += 2*b4_stride; + l1mv1 += 2*b4_stride; + } } if(h->direct_spatial_mv_pred){ -- 2.39.5