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swr: check count argument of realloc_audio()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2012-05-22 17:15:07 +02:00
parent 50858a64bf
commit a645049bd8
1 changed files with 3 additions and 0 deletions
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3
libswresample/swresample.c
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@ -344,6 +344,9 @@ static int realloc_audio(AudioData *a, int count){
int i, countb; int i, countb;
AudioData old; AudioData old;
if(count < 0 || count > INT_MAX/2/a->bps/a->ch_count)
return AVERROR(EINVAL);
if(a->count >= count) if(a->count >= count)
return 0; return 0;