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Don't override duration from file header with bitrate duration

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This is most noticable on matroska files which has duration
as part of it's header.
This commit is contained in:
Joakim Plate 2011-09-13 01:02:48 +02:00
parent 5d70536804
commit cdced09ef6
1 changed files with 5 additions and 3 deletions
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8
libavformat/utils.c
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@ -1856,6 +1856,8 @@ static int has_duration(AVFormatContext *ic)
{
int i;
AVStream *st;
if(ic->duration != AV_NOPTS_VALUE)
return 1;
for(i = 0;i < ic->nb_streams; i++) {
st = ic->streams[i];
@ -1913,14 +1915,14 @@ static void update_stream_timings(AVFormatContext *ic)
duration = end_time - start_time;
}
}
if (duration != INT64_MIN) {
if (duration != INT64_MIN && ic->duration == AV_NOPTS_VALUE) {
ic->duration = duration;
if (ic->file_size > 0) {
}
if (ic->file_size > 0 && ic->duration != AV_NOPTS_VALUE) {
/* compute the bitrate */
ic->bit_rate = (double)ic->file_size * 8.0 * AV_TIME_BASE /
(double)ic->duration;
}
}
}
static void fill_all_stream_timings(AVFormatContext *ic)