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Autodetect idcin only if audio properties allow decoding.

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Fixes ticket #2688.
(cherry picked from commit 06bede95fcea47d2e51e8ff248c15311f335b898)
This commit is contained in:
Carl Eugen Hoyos 2013-06-19 16:31:10 +02:00
parent d5b068d44b
commit 3d4a61fbda
1 changed files with 5 additions and 5 deletions
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10
libavformat/idcin.c
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@ -91,7 +91,7 @@ typedef struct IdcinDemuxContext {
static int idcin_probe(AVProbeData *p)
{
unsigned int number;
unsigned int number, sample_rate;
/*
* This is what you could call a "probabilistic" file check: id CIN
@ -120,18 +120,18 @@ static int idcin_probe(AVProbeData *p)
return 0;
/* check the audio sample rate */
number = AV_RL32(&p->buf[8]);
if ((number != 0) && ((number < 8000) | (number > 48000)))
sample_rate = AV_RL32(&p->buf[8]);
if (sample_rate && (sample_rate < 8000 || sample_rate > 48000))
return 0;
/* check the audio bytes/sample */
number = AV_RL32(&p->buf[12]);
if (number > 2)
if (number > 2 || sample_rate && !number)
return 0;
/* check the audio channels */
number = AV_RL32(&p->buf[16]);
if (number > 2)
if (number > 2 || sample_rate && !number)
return 0;
/* return half certainly since this check is a bit sketchy */