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Add avg_frame_rate.

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Originally committed as revision 20826 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-12-13 15:52:11 +00:00
parent 1261b07f5f
commit 02b398ef49
2 changed files with 11 additions and 0 deletions
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5
libavformat/avformat.h
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@ -466,6 +466,11 @@ typedef struct AVStream {
* used internally, NOT PART OF PUBLIC API, dont read or write from outside of libav*
*/
struct AVPacketList *last_in_packet_buffer;
/**
* Average framerate
*/
AVRational avg_frame_rate;
} AVStream;
#define AV_PROGRAM_RUNNING 1

6
libavformat/utils.c
View File

@ -2223,6 +2223,10 @@ int av_find_stream_info(AVFormatContext *ic)
}
for(i=0;i<ic->nb_streams;i++) {
st = ic->streams[i];
if(codec_info_nb_frames[i]>2)
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
(codec_info_nb_frames[i]-2)*(int64_t)st->time_base.den,
codec_info_duration[i] *(int64_t)st->time_base.num, 60000);
if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
if(st->codec->codec_id == CODEC_ID_RAWVIDEO && !st->codec->codec_tag && !st->codec->bits_per_coded_sample)
st->codec->codec_tag= avcodec_pix_fmt_to_codec_tag(st->codec->pix_fmt);
@ -2900,6 +2904,8 @@ static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_out
display_aspect_ratio.num, display_aspect_ratio.den);
}
if(st->codec->codec_type == CODEC_TYPE_VIDEO){
if(st->avg_frame_rate.den && st->avg_frame_rate.num)
print_fps(av_q2d(st->avg_frame_rate), "fps");
if(st->r_frame_rate.den && st->r_frame_rate.num)
print_fps(av_q2d(st->r_frame_rate), "tbr");
if(st->time_base.den && st->time_base.num)