[FFmpeg-cvslog] lavf/gif: support only GIF codec.

[Clément Bœsch]

ffmpeg | branch: master | Clément Bœsch <ubitux at gmail.com> | Thu Apr 18 13:52:13 2013 +0200| [9db1c6455e47e4deb7e584642f06276e9ecf833d] | committer: Clément Bœsch

lavf/gif: support only GIF codec.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9db1c6455e47e4deb7e584642f06276e9ecf833d
---

 libavformat/gif.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libavformat/gif.c b/libavformat/gif.c
index 6968156..3d86f23 100644
--- a/libavformat/gif.c
+++ b/libavformat/gif.c
@@ -77,10 +77,11 @@ static int gif_write_header(AVFormatContext *s)
     int width, height;
     uint32_t palette[AVPALETTE_COUNT];
 
-    if (s->nb_streams != 1 || !s->streams[0]->codec ||
-        s->streams[0]->codec->codec_type != AVMEDIA_TYPE_VIDEO) {
+    if (s->nb_streams != 1 ||
+        s->streams[0]->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
+        s->streams[0]->codec->codec_id   != AV_CODEC_ID_GIF) {
         av_log(s, AV_LOG_ERROR,
-               "GIF supports only a single video stream.\n");
+               "GIF muxer supports only a single video GIF stream.\n");
         return AVERROR(EINVAL);
     }