[FFmpeg-devel] [PATCH] fix interlaced gif

[Reimar Döffinger]

Hello,
attached patch fixes decoding of http://samples.mplayerhq.hu/GIF/7up.gif
If there are no objections I will apply soon.

Greetings,
Reimar D?ffinger
-------------- next part --------------
Index: libavformat/gifdec.c
===================================================================
--- libavformat/gifdec.c	(revision 12287)
+++ libavformat/gifdec.c	(working copy)
@@ -364,11 +364,8 @@
                 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;