gifdec: fix transparent background color

Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago · 64f4fb75c4
parent b61097fe0d
commit 64f4fb75c4
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/gifdec.c
+++ b/libavcodec/gifdec.c
@ -202,7 +202,7 @@ static int gif_read_image(GifState *s)
        s->gce_w = width; s->gce_h = height;

        if (s->gce_disposal == GCE_DISPOSAL_BACKGROUND) {
-            if (s->background_color_index == s->transparent_color_index)
+            if (s->background_color_index >= 0)
                s->stored_bg_color = s->trans_color;
            else
                s->stored_bg_color = s->bg_color;