Fix blend_subrect for even-width subrects positioned on odd columns

Patch by Björn Axelsson ( gecko A acc D umu D se ) Originally committed as revision 17088 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago · f54b31b9ef
parent ffe2c09d46
commit f54b31b9ef
1 changed files with 1 additions and 1 deletions
--- a/ffplay.c
+++ b/ffplay.c
@ -449,7 +449,7 @@ static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw,
    cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
    cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];

-    width2 = (dstw + 1) >> 1;
+    width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
    skip2 = dstx >> 1;
    wrap = dst->linesize[0];
    wrap3 = rect->pict.linesize[0];