[FFmpeg-cvslog] lavf/asfenc: check the number of streams in header
Marton Balint
git at videolan.org
Fri Feb 5 21:39:35 CET 2016
ffmpeg | branch: master | Marton Balint <cus at passwd.hu> | Wed Feb 3 22:53:56 2016 +0100| [046476730102da3fe795176c9738e4db6bc7036f] | committer: Marton Balint
lavf/asfenc: check the number of streams in header
Reviewed-by: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Marton Balint <cus at passwd.hu>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=046476730102da3fe795176c9738e4db6bc7036f
---
libavformat/asfenc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/asfenc.c b/libavformat/asfenc.c
index 9f082c6..6932c11 100644
--- a/libavformat/asfenc.c
+++ b/libavformat/asfenc.c
@@ -684,6 +684,11 @@ static int asf_write_header(AVFormatContext *s)
s->max_interleave_delta = 0;
asf->nb_packets = 0;
+ if (s->nb_streams > 127) {
+ av_log(s, AV_LOG_ERROR, "ASF can only handle 127 streams\n");
+ return AVERROR(EINVAL);
+ }
+
asf->index_ptr = av_malloc(sizeof(ASFIndex) * ASF_INDEX_BLOCK);
if (!asf->index_ptr)
return AVERROR(ENOMEM);
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