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Check there is a stream before writing header.
author
Tomas Härdin
<Tomas.hardin@codemill.se>
Wed, 13 Jan 2010 14:32:48 +0000
(14:32 +0000)
committer
Benoit Fouet
<benoit.fouet@free.fr>
Wed, 13 Jan 2010 14:32:48 +0000
(14:32 +0000)
Patch by Tomas Härdin: $(name) punto hardin chez codemill dot se
Originally committed as revision 21186 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavformat/utils.c
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diff --git
a/libavformat/utils.c
b/libavformat/utils.c
index
b903337
..
000ab90
100644
(file)
--- a/
libavformat/utils.c
+++ b/
libavformat/utils.c
@@
-2501,6
+2501,11
@@
int av_write_header(AVFormatContext *s)
AVStream *st;
// some sanity checks
+ if (s->nb_streams == 0) {
+ av_log(s, AV_LOG_ERROR, "no streams\n");
+ return -1;
+ }
+
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];