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| author | Derek Buitenhuis <derek.buitenhuis@gmail.com> | 2017-04-20 13:14:42 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 12:20:15 +0200 |
| commit | 1485562f6edee18a44446a8cbf2dca7ec16b69ce (patch) | |
| tree | 251bef815ab58a5347fda72eb81a6e63d4f52bf4 | |
| parent | bb61a312234003f49ad0a2bc84faccfff7f246d4 (diff) | |
| download | ffmpeg-1485562f6edee18a44446a8cbf2dca7ec16b69ce.tar.gz | |
avformat/webmdashenc: Require the 'adaptation_sets' option to be set
This seems to be non-optional, and if the muxer is run without it,
strlen() is run on NULL, causing a segfault.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cbd3a68f3e1c2d1679370301eb5e1a32a2df64fe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/webmdashenc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/webmdashenc.c b/libavformat/webmdashenc.c index d4b3146790..740fd8eb01 100644 --- a/libavformat/webmdashenc.c +++ b/libavformat/webmdashenc.c @@ -428,6 +428,10 @@ static int parse_adaptation_sets(AVFormatContext *s) char *p = w->adaptation_sets; char *q; enum { new_set, parsed_id, parsing_streams } state; + if (!w->adaptation_sets) { + av_log(s, AV_LOG_ERROR, "The 'adaptation_sets' option must be set.\n"); + return AVERROR(EINVAL); + } // syntax id=0,streams=0,1,2 id=1,streams=3,4 and so on state = new_set; while (p < w->adaptation_sets + strlen(w->adaptation_sets)) { |