On Wed, Mar 21, 2012 at 01:34:28PM -0700, Alex Converse wrote: > This prevents a SIGFPE later on. > > Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind > CC: [email protected] > --- > libavformat/xwma.c | 11 +++++++++++ > 1 files changed, 11 insertions(+), 0 deletions(-) > > diff --git a/libavformat/xwma.c b/libavformat/xwma.c > index 2c6ee11..7b34b96 100644 > --- a/libavformat/xwma.c > +++ b/libavformat/xwma.c > @@ -115,6 +115,17 @@ static int xwma_read_header(AVFormatContext *s) > } > } > > + if (!st->codec->channels) { > + av_log(s, AV_LOG_WARNING, "Invalid channel count: %d\n", > + st->codec->channels); > + return AVERROR_INVALIDDATA; > + } > + if (!st->codec->bits_per_coded_sample) { > + av_log(s, AV_LOG_WARNING, "Invalid bits_per_coded_sample: %d\n", > + st->codec->bits_per_coded_sample); > + return AVERROR_INVALIDDATA; > + } > + > /* set the sample rate */ > avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate); > > --
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