[Libav-user] Encoding AC3
ggarra13 at gmail.com
Sat Aug 3 17:41:56 CEST 2013
On 03/08/13 00:14, Anshul maheshwari wrote:
> On Aug 3, 2013 2:56 AM, "Gonzalo Garramuno" <ggarra13 at gmail.com
> <mailto:ggarra13 at gmail.com>> wrote:
> > I copied the latest docs/example muxing.c and decoding_enconding.c
> and modified it to my needs.
> > I am able to save a movie with synced sound if I use audio codec
> pcm_s16le and convert the float values into s16 values using
> swresample. However, when I want to save ac3 to keep the data in
> float (fltp), the video gets created fine, but the audio comes out of
> sync. My guess is that I am not using proper pts/dts values.
> > _______________________________________________
> > Libav-user mailing list
> > Libav-user at ffmpeg.org <mailto:Libav-user at ffmpeg.org>
> > http://ffmpeg.org/mailman/listinfo/libav-user
> Hi gonzalo
> Are u passing, the pts ur self.
> Or they are auto generated?
Sorry. They are autogenerated. There's a generation of pts in the
following code (taken from the examples):
audio_time += audio_st->pts.val * av_q2d(audio_st->time_base);
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Libav-user