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avcodec/mpeg4audio: correctly propagate meaningful error values 

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2016-11-25 10:40:59 -03:00
parent e0791c5aaf
commit 50b1453915
1 changed files with 5 additions and 4 deletions
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9
libavcodec/mpeg4audio.c
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@ -33,10 +33,10 @@
static int parse_config_ALS(GetBitContext *gb, MPEG4AudioConfig *c)
{
if (get_bits_left(gb) < 112)
return -1;
return AVERROR_INVALIDDATA;
if (get_bits_long(gb, 32) != MKBETAG('A','L','S','\0'))
return -1;
return AVERROR_INVALIDDATA;
// override AudioSpecificConfig channel configuration and sample rate
// which are buggy in old ALS conformance files
@ -127,8 +127,9 @@ int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf,
specific_config_bitindex = get_bits_count(&gb);
if (parse_config_ALS(&gb, c))
return -1;
ret = parse_config_ALS(&gb, c);
if (ret < 0)
return ret;
}
if (c->ext_object_type != AOT_SBR && sync_extension) {