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has_decode_delay_been_guessed: skip guessing when sps.num_reorder_frames is available 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-07-02 23:18:32 +02:00
parent 1fb07be062
commit 4e9e0700fb
1 changed files with 5 additions and 0 deletions
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5
libavformat/utils.c
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@ -2285,6 +2285,11 @@ static int has_codec_parameters(AVStream *st)
static int has_decode_delay_been_guessed(AVStream *st)
{
if(st->codec->codec_id != CODEC_ID_H264) return 1;
#if CONFIG_H264_DECODER
if(st->codec->has_b_frames &&
avpriv_h264_has_num_reorder_frames(st->codec) == st->codec->has_b_frames)
return 1;
#endif
if(st->codec->has_b_frames<3)
return st->info->nb_decoded_frames >= 6;
return st->info->nb_decoded_frames >= 20;