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Correct edge MC for chroma 

Originally committed as revision 5813 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2006-07-23 04:57:36 +00:00
parent 1997a98875
commit 83b3df83d3
1 changed files with 2 additions and 2 deletions
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4
libavcodec/vc1.c
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@ -1123,8 +1123,8 @@ static void vc1_mc_4mv_chroma(VC1Context *v)
uvsrc_y = clip(uvsrc_y, -8, s->mb_height * 8);
srcU = s->last_picture.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
srcV = s->last_picture.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
if((unsigned)uvsrc_x > (s->h_edge_pos >> 1) - ((uvmx >> 1)&1) - 8
|| (unsigned)uvsrc_y > (s->v_edge_pos >> 1) - ((uvmy >> 1)&1) - 8){
if((unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 9
|| (unsigned)uvsrc_y > (s->v_edge_pos >> 1) - 9){
ff_emulated_edge_mc(s->edge_emu_buffer , srcU, s->uvlinesize, 8+1, 8+1,
uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
ff_emulated_edge_mc(s->edge_emu_buffer + 16, srcV, s->uvlinesize, 8+1, 8+1,