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aacdec: Fix null pointer crash 

Fixes bug170
Bug found by: Gautam Gupta

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-12-17 05:02:11 +01:00
parent 4d70023a2a
commit f37b2d5a68
1 changed files with 3 additions and 0 deletions
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3
libavcodec/mpeg4audio.c
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@ -82,6 +82,9 @@ int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf,
GetBitContext gb;
int specific_config_bitindex;
if(bit_size<=0)
return AVERROR_INVALIDDATA;
init_get_bits(&gb, buf, bit_size);
c->object_type = get_object_type(&gb);
c->sample_rate = get_sample_rate(&gb, &c->sampling_index);