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probe: Restore identification of files with very large id3 tags and no extension.

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Restore behavior of identifying files with huge id3 tags as
mp3 at AVPROBE_SCORE_MAX/4. This was broken in r25378 and subsequently
removed in r25929.
This commit is contained in:
Alex Converse 2011-10-25 18:37:24 -07:00
parent 7a773d4d59
commit 61856d06eb
1 changed files with 8 additions and 0 deletions
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8
libavformat/utils.c
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@ -347,6 +347,14 @@ AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score
}
}
if (!fmt && id3 && *score_max < AVPROBE_SCORE_MAX/4-1) {
while ((fmt = av_iformat_next(fmt)))
if (fmt->extensions && av_match_ext("mp3", fmt->extensions)) {
*score_max = AVPROBE_SCORE_MAX/4-1;
break;
}
}
return fmt;
}