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Merge remote-tracking branch 'cehoyos/master' 

* cehoyos/master:
  Autodetect idcin only if audio properties allow decoding.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-06-19 22:13:29 +02:00
parent b08cd2fb94 06bede95fc
commit 37baeccef4
1 changed files with 5 additions and 5 deletions
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10
libavformat/idcin.c
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@ -93,7 +93,7 @@ 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
@ -122,18 +122,18 @@ 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 certainty since this check is a bit sketchy */