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Require 4 instead of 3 frames for detecting mp3,

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fixes misdetection of mpegps_mp3_unrecognized_format.mpg (issue997)

Originally committed as revision 18657 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-04-22 02:58:20 +00:00
parent 0ee51c556e
commit f9f2ab8229
1 changed files with 2 additions and 1 deletions

3
libavformat/mp3.c
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@ -391,10 +391,11 @@ static int mp3_read_probe(AVProbeData *p)
} }
if (first_frames>=3) return AVPROBE_SCORE_MAX/2+1; if (first_frames>=3) return AVPROBE_SCORE_MAX/2+1;
else if(max_frames>500)return AVPROBE_SCORE_MAX/2; else if(max_frames>500)return AVPROBE_SCORE_MAX/2;
else if(max_frames>=3) return AVPROBE_SCORE_MAX/4; else if(max_frames>=4) return AVPROBE_SCORE_MAX/4;
else if(buf0!=p->buf) return AVPROBE_SCORE_MAX/4-1; else if(buf0!=p->buf) return AVPROBE_SCORE_MAX/4-1;
else if(max_frames>=1) return 1; else if(max_frames>=1) return 1;
else return 0; else return 0;
//mpegps_mp3_unrecognized_format.mpg has max_frames=3
} }
/** /**