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Fix vp3_draw_horiz_band to calculate chroma offsets correctly

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for 4:2:2 and 4:4:4 formats.

Originally committed as revision 23537 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2010-06-08 19:25:28 +00:00
parent f5d33f5241
commit 8764389d47
1 changed files with 1 additions and 1 deletions
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libavcodec/vp3.c
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@ -1329,7 +1329,7 @@ static void vp3_draw_horiz_band(Vp3DecodeContext *s, int y)
y = s->height - y - h;
}
cy = y >> 1;
cy = y >> s->chroma_y_shift;
offset[0] = s->current_frame.linesize[0]*y;
offset[1] = s->current_frame.linesize[1]*cy;
offset[2] = s->current_frame.linesize[2]*cy;