diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2005-08-21 22:31:01 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2005-08-21 22:31:01 +0000 |
| commit | 5b28c8c3552626eb4beda42731232bc697073264 (patch) | |
| tree | 77b9379e093922a2cb5053e21e7dca3c532cf2de /output_example.c | |
| parent | cc884a3506a428e1d0000b24bbbb1d2fdf3add29 (diff) | |
time_base description by Rich Felker | dalias, aerifal cx
Originally committed as revision 4536 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'output_example.c')
| -rw-r--r-- | output_example.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/output_example.c b/output_example.c index f61229dedd..6091d85089 100644 --- a/output_example.c +++ b/output_example.c @@ -199,7 +199,10 @@ AVStream *add_video_stream(AVFormatContext *oc, int codec_id) /* resolution must be a multiple of two */ c->width = 352; c->height = 288; - /* frames per second */ + /* time base: this is the fundamental unit of time (in seconds) in terms + of which frame timestamps are represented. for fixed-fps content, + timebase should be 1/framerate and timestamp increments should be + identically 1. */ c->time_base.den = STREAM_FRAME_RATE; c->time_base.num = 1; c->gop_size = 12; /* emit one intra frame every twelve frames at most */ |