[FFmpeg-devel] [PATCH] avcodec/gif: dont honor transparency if palette changed

Paul B Mahol onemda at gmail.com
Tue Sep 6 14:30:17 EEST 2016


It generally does not work.

Signed-off-by: Paul B Mahol <onemda at gmail.com>
---
 libavcodec/gif.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/gif.c b/libavcodec/gif.c
index 6af1f4a..d9c99d5 100644
--- a/libavcodec/gif.c
+++ b/libavcodec/gif.c
@@ -83,7 +83,7 @@ static int gif_image_write_image(AVCodecContext *avctx,
     GIFContext *s = avctx->priv_data;
     int len = 0, height = avctx->height, width = avctx->width, x, y;
     int x_start = 0, y_start = 0, trans = s->transparent_index;
-    int honor_transparency = (s->flags & GF_TRANSDIFF) && s->last_frame;
+    int honor_transparency = (s->flags & GF_TRANSDIFF) && s->last_frame && !palette;
     const uint8_t *ptr;
 
     /* Crop image */
-- 
2.5.0



More information about the ffmpeg-devel mailing list