Fix decoding of interlaced gif, e.g. http://samples.mplayerhq.hu/GIF/7up.gif

Originally committed as revision 12297 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2008-03-03 13:16:29 +00:00
parent 78db672cae
commit e7a5e2f626

View File

@ -364,11 +364,8 @@ static int gif_read_image(GifState *s)
y1 += 8;
ptr += linesize * 8;
if (y1 >= height) {
y1 = 4;
if (pass == 0)
ptr = ptr1 + linesize * 4;
else
ptr = ptr1 + linesize * 2;
y1 = pass == 0 ? 4 : 2;
ptr = ptr1 + linesize * y1;
pass++;
}
break;