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Fix one case of choosing MV for chroma

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Originally committed as revision 5635 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2006-07-06 03:42:51 +00:00
parent a020e2c5f0
commit 1ae4a8e61f
1 changed files with 5 additions and 5 deletions
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10
libavcodec/vc1.c
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@ -1080,7 +1080,7 @@ static void vc1_mc_4mv_chroma(VC1Context *v)
}
/* calculate chroma MV vector from four luma MVs */
idx = (intra[0] << 3) | (intra[1] << 2) | (intra[2] << 1) | intra[3];
idx = (intra[3] << 3) | (intra[2] << 2) | (intra[1] << 1) | intra[0];
if(!idx) { // all blocks are inter
tx = median4(mvx[0], mvx[1], mvx[2], mvx[3]);
ty = median4(mvy[0], mvy[1], mvy[2], mvy[3]);
@ -1088,19 +1088,19 @@ static void vc1_mc_4mv_chroma(VC1Context *v)
switch(idx) {
case 0x1:
tx = mid_pred(mvx[1], mvx[2], mvx[3]);
tx = mid_pred(mvy[1], mvy[2], mvy[3]);
ty = mid_pred(mvy[1], mvy[2], mvy[3]);
break;
case 0x2:
tx = mid_pred(mvx[0], mvx[2], mvx[3]);
tx = mid_pred(mvy[0], mvy[2], mvy[3]);
ty = mid_pred(mvy[0], mvy[2], mvy[3]);
break;
case 0x4:
tx = mid_pred(mvx[0], mvx[1], mvx[3]);
tx = mid_pred(mvy[0], mvy[1], mvy[3]);
ty = mid_pred(mvy[0], mvy[1], mvy[3]);
break;
case 0x8:
tx = mid_pred(mvx[0], mvx[1], mvx[2]);
tx = mid_pred(mvy[0], mvy[1], mvy[2]);
ty = mid_pred(mvy[0], mvy[1], mvy[2]);
break;
}
} else if(count[idx] == 2) {