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avformat/mpeg: Decrease score by 1 for files with very little valid data

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Fixes: 8233/PPY6574574605_cut.mp3

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 20f7b4dfc9640c910655bd153c6996e9edd42ff0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2020-04-14 00:03:30 +02:00
parent d303f28c57
commit e81e27ffd0
1 changed files with 1 additions and 1 deletions
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2
libavformat/mpeg.c
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@ -107,7 +107,7 @@ static int mpegps_probe(AVProbeData *p)
if (sys > invalid && sys * 9 <= pspack * 10)
return (audio > 12 || vid > 3 || pspack > 2) ? AVPROBE_SCORE_EXTENSION + 2
: AVPROBE_SCORE_EXTENSION / 2 + 1; // 1 more than mp3
: AVPROBE_SCORE_EXTENSION / 2 + (audio + vid + pspack > 1); // 1 more than mp3
if (pspack > invalid && (priv1 + vid + audio) * 10 >= pspack * 9)
return pspack > 2 ? AVPROBE_SCORE_EXTENSION + 2
: AVPROBE_SCORE_EXTENSION / 2; // 1 more than .mpg