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| author | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-06-15 20:59:22 +0200 |
|---|---|---|
| committer | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-06-19 20:31:12 +0200 |
| commit | d89cd16afa97771f2950b2ee783e9b4ad6e75b57 (patch) | |
| tree | b33c11932c847a52ae0f828315760a3a3edeadb1 | |
| parent | 7cbceb16ade6937d0f8b5e7d92e8acfc1a00f088 (diff) | |
| download | ffmpeg-d89cd16afa97771f2950b2ee783e9b4ad6e75b57.tar.gz | |
matroskadec: check audio sample rate
And default to 8000 if it is invalid.
An invalid sample rate can trigger av_assert2 in av_rescale_rnd.
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 5b76c82fd7a5f4f36bb901b8c43d7f7319599599)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
| -rw-r--r-- | libavformat/matroskadec.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 16063412de..9cb52f95ee 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -1668,6 +1668,14 @@ static int matroska_parse_tracks(AVFormatContext *s) if (!track->codec_id) continue; + if (track->audio.samplerate < 0 || track->audio.samplerate > INT_MAX || + isnan(track->audio.samplerate)) { + av_log(matroska->ctx, AV_LOG_WARNING, + "Invalid sample rate %f, defaulting to 8000 instead.\n", + track->audio.samplerate); + track->audio.samplerate = 8000; + } + if (track->type == MATROSKA_TRACK_TYPE_VIDEO) { if (!track->default_duration && track->video.frame_rate > 0) track->default_duration = 1000000000 / track->video.frame_rate; |