virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-26 19:01:44 +02:00
Code Issues Releases Activity

mov.c: reasonable bitrate for fragmented mp4

Browse Source 
If using MFRA for timestamps, the stream may start from a large offset
and/or have gaps. With this change we calculate the bitrate based on
frames we've seen.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Mika Raento 2014-10-21 15:04:10 +03:00 committed by Michael Niedermayer
parent 059c842818
commit 17702f1fc5
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
libavformat/mov.c
View File

@ -3943,6 +3943,17 @@ static int mov_read_header(AVFormatContext *s)
}
}
if (mov->use_mfra_for > 0) {
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
MOVStreamContext *sc = st->priv_data;
if (sc->duration_for_fps > 0) {
st->codec->bit_rate = sc->data_size * 8 * sc->time_scale /
sc->duration_for_fps;
}
}
}
for (i = 0; i < mov->bitrates_count && i < s->nb_streams; i++) {
if (mov->bitrates[i]) {
s->streams[i]->codec->bit_rate = mov->bitrates[i];