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mp3: Tweak the probe scores 

Having more than 10 consecutive frames decoded as mp3 should be
considered a clear signal that the sample is mp3 and not mpegps.

Reported-By: Florian Iragne <florian@iragne.fr>
CC: libav-stable@libav.org
This commit is contained in:
Luca Barbato 2014-12-06 12:32:25 +01:00
parent 4f5906a1d7
commit 4fd7e63c87
1 changed files with 4 additions and 1 deletions
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5
libavformat/mp3dec.c
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@ -81,7 +81,10 @@ static int mp3_read_probe(AVProbeData *p)
}
// keep this in sync with ac3 probe, both need to avoid
// issues with MPEG-files!
if (first_frames >= 4) return AVPROBE_SCORE_EXTENSION + 1;
if (first_frames >= 10)
return AVPROBE_SCORE_EXTENSION + 5;
if (first_frames >= 4)
return AVPROBE_SCORE_EXTENSION + 1;
if (max_frames) {
int pes = 0, i;