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Edge emulation should be used in B-frame MC in mspel mode with 

mv_x < 1 or mv_y < 1.

Originally committed as revision 19255 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2009-06-23 07:41:38 +00:00
parent 1a40491ef2
commit 74a30595b2
1 changed files with 2 additions and 2 deletions
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4
libavcodec/vc1dec.c
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@ -860,8 +860,8 @@ static void vc1_interp_mc(VC1Context *v)
}
if(v->rangeredfrm
|| (unsigned)src_x > s->h_edge_pos - (mx&3) - 16 - s->mspel*3
|| (unsigned)src_y > s->v_edge_pos - (my&3) - 16 - s->mspel*3){
|| (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx&3) - 16 - s->mspel*3
|| (unsigned)(src_y - s->mspel) > s->v_edge_pos - (my&3) - 16 - s->mspel*3){
uint8_t *uvbuf= s->edge_emu_buffer + 19 * s->linesize;
srcY -= s->mspel * (1 + s->linesize);