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tta: datalen is unsigned integer per reference library

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-10-17 09:12:18 +00:00
parent 364c60bf64
commit d6ea59b860
1 changed files with 5 additions and 4 deletions
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9
libavformat/tta.c
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@ -44,8 +44,9 @@ static int tta_read_header(AVFormatContext *s)
{
TTAContext *c = s->priv_data;
AVStream *st;
int i, channels, bps, samplerate, datalen;
int i, channels, bps, samplerate;
uint64_t framepos, start_offset;
uint32_t datalen;
if (!av_dict_get(s->metadata, "", NULL, AV_DICT_IGNORE_SUFFIX))
ff_id3v1_read(s);
@ -64,9 +65,9 @@ static int tta_read_header(AVFormatContext *s)
}
datalen = avio_rl32(s->pb);
if(datalen < 0){
av_log(s, AV_LOG_ERROR, "nonsense datalen\n");
return -1;
if (!datalen) {
av_log(s, AV_LOG_ERROR, "invalid datalen\n");
return AVERROR_INVALIDDATA;
}
avio_skip(s->pb, 4); // header crc