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has_decode_delay_been_guessed: tighten up the heuristic.

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This adds the minimum delay needed with the current decoder to
recognize the reorder buffer size for the reference bitstreams.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-07-02 23:23:33 +02:00
parent 4e9e0700fb
commit a08efa2e36
1 changed files with 4 additions and 1 deletions
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5
libavformat/utils.c
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@ -2292,7 +2292,10 @@ static int has_decode_delay_been_guessed(AVStream *st)
#endif
if(st->codec->has_b_frames<3)
return st->info->nb_decoded_frames >= 6;
return st->info->nb_decoded_frames >= 20;
else if(st->codec->has_b_frames<4)
return st->info->nb_decoded_frames >= 18;
else
return st->info->nb_decoded_frames >= 20;
}
/* returns 1 or 0 if or if not decoded data was returned, or a negative error */