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avformat/rsd: Check channels and sample_rate fields 

Fixes probetest failure

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-11-06 11:48:49 +01:00
parent a35e30b672
commit 50a3c4c5d2
1 changed files with 7 additions and 4 deletions
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11
libavformat/rsd.c
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@ -43,10 +43,13 @@ static const uint32_t rsd_unsupported_tags[] = {
static int rsd_probe(AVProbeData *p)
{
if (!memcmp(p->buf, "RSD", 3) &&
p->buf[3] - '0' >= 2 && p->buf[3] - '0' <= 6)
return AVPROBE_SCORE_EXTENSION;
return 0;
if (memcmp(p->buf, "RSD", 3) || p->buf[3] - '0' < 2 || p->buf[3] - '0' > 6)
return 0;
if (AV_RL32(p->buf + 8) > 256 || !AV_RL32(p->buf + 8))
return 1;
if (AV_RL32(p->buf + 16) > 8*48000 || !AV_RL32(p->buf + 16))
return 1;
return AVPROBE_SCORE_EXTENSION;
}
static int rsd_read_header(AVFormatContext *s)