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Merge remote-tracking branch 'qatar/master'

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* qatar/master:
  flvdec: remove spurious use of stream id
  lavf: deprecate r_frame_rate.
  lavf: round estimated average fps to a "standard" fps.

Conflicts:
	ffmpeg.c
	ffprobe.c
	libavformat/avformat.h
	libavformat/electronicarts.c
	libavformat/flvdec.c
	libavformat/rawdec.c
	libavformat/utils.c
	tests/ref/fate/iv8-demux

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-07-30 00:56:33 +02:00
commit 7d1918affe
15 changed files with 81 additions and 32 deletions
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25
libavformat/utils.c
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@ -2556,7 +2556,9 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
}
for (i=0; i<ic->nb_streams; i++) {
#if FF_API_R_FRAME_RATE
ic->streams[i]->info->last_dts = AV_NOPTS_VALUE;
#endif
ic->streams[i]->info->fps_first_dts = AV_NOPTS_VALUE;
ic->streams[i]->info->fps_last_dts = AV_NOPTS_VALUE;
}
@ -2676,6 +2678,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
}
st->info->codec_info_duration += pkt->duration;
}
#if FF_API_R_FRAME_RATE
{
int64_t last = st->info->last_dts;
@ -2703,6 +2706,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
if (last == AV_NOPTS_VALUE || st->info->duration_count <= 1)
st->info->last_dts = pkt->dts;
}
#endif
if(st->parser && st->parser->parser->split && !st->codec->extradata){
int i= st->parser->parser->split(st->codec, pkt->data, pkt->size);
if (i > 0 && i < FF_MAX_EXTRADATA_SIZE) {
@ -2784,9 +2788,28 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
/* estimate average framerate if not set by demuxer */
if (st->codec_info_nb_frames>2 && !st->avg_frame_rate.num && st->info->codec_info_duration) {
int best_fps = 0;
double best_error = 0.01;
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
(st->codec_info_nb_frames-2)*(int64_t)st->time_base.den,
st->info->codec_info_duration*(int64_t)st->time_base.num, 60000);
/* round guessed framerate to a "standard" framerate if it's
* within 1% of the original estimate*/
for (j = 1; j < MAX_STD_TIMEBASES; j++) {
AVRational std_fps = (AVRational){get_std_framerate(j), 12*1001};
double error = fabs(av_q2d(st->avg_frame_rate) / av_q2d(std_fps) - 1);
if (error < best_error) {
best_error = error;
best_fps = std_fps.num;
}
}
if (best_fps) {
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
best_fps, 12*1001, INT_MAX);
}
}
// the check for tb_unreliable() is not completely correct, since this is not about handling
// a unreliable/inexact time base, but a time base that is finer than necessary, as e.g.
@ -3835,8 +3858,10 @@ static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_out
if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
if(st->avg_frame_rate.den && st->avg_frame_rate.num)
print_fps(av_q2d(st->avg_frame_rate), "fps");
#if FF_API_R_FRAME_RATE
if(st->r_frame_rate.den && st->r_frame_rate.num)
print_fps(av_q2d(st->r_frame_rate), "tbr");
#endif
if(st->time_base.den && st->time_base.num)
print_fps(1/av_q2d(st->time_base), "tbn");
if(st->codec->time_base.den && st->codec->time_base.num)