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mxfdec: Sanity-check SampleRate

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This avoids a SIGFPE if SampleRate is missing or set to naughty values.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Tomas Härdin 2012-01-26 14:12:50 +01:00 committed by Diego Biurrun
parent c65642d351
commit d6b81ff949
1 changed files with 4 additions and 1 deletions
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5
libavformat/mxfdec.c
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@ -1431,7 +1431,10 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
st->codec->codec_id = container_ul->id;
st->codec->channels = descriptor->channels;
st->codec->bits_per_coded_sample = descriptor->bits_per_sample;
st->codec->sample_rate = descriptor->sample_rate.num / descriptor->sample_rate.den;
if (descriptor->sample_rate.den > 0)
st->codec->sample_rate = descriptor->sample_rate.num / descriptor->sample_rate.den;
/* TODO: implement CODEC_ID_RAWAUDIO */
if (st->codec->codec_id == CODEC_ID_PCM_S16LE) {
if (descriptor->bits_per_sample > 16 && descriptor->bits_per_sample <= 24)