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drop broken telecine detection code 

Originally committed as revision 6343 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-09-26 18:03:17 +00:00
parent 35eab0c043
commit 6c17a956b4
1 changed files with 0 additions and 23 deletions
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23
libavformat/utils.c
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@ -1955,29 +1955,6 @@ int av_find_stream_info(AVFormatContext *ic)
}
}
/* set real frame rate info */
/* compute the real frame rate for telecine */
if ((st->codec->codec_id == CODEC_ID_MPEG1VIDEO ||
st->codec->codec_id == CODEC_ID_MPEG2VIDEO) &&
st->codec->sub_id == 2) {
if (st->codec_info_nb_frames >= 20) {
float coded_frame_rate, est_frame_rate;
est_frame_rate = ((double)st->codec_info_nb_frames * AV_TIME_BASE) /
(double)st->codec_info_duration ;
coded_frame_rate = 1.0/av_q2d(st->codec->time_base);
#if 0
printf("telecine: coded_frame_rate=%0.3f est_frame_rate=%0.3f\n",
coded_frame_rate, est_frame_rate);
#endif
/* if we detect that it could be a telecine, we
signal it. It would be better to do it at a
higher level as it can change in a film */
if (coded_frame_rate >= 24.97 &&
(est_frame_rate >= 23.5 && est_frame_rate < 24.5)) {
st->r_frame_rate = (AVRational){24000, 1001};
}
}
}
/* if no real frame rate, use the codec one */
if (!st->r_frame_rate.num){
st->r_frame_rate.num = st->codec->time_base.den;