[FFmpeg-user] Audio sync problem

Bojan Petrović bojan85 at gmail.com
Wed Aug 1 22:10:21 CEST 2012

Yes, I had them with combined input too.

Sync seems fine here, but I'm yet to test a really long capture.

On 1 August 2012 00:15, Roger Pack <rogerdpack2 at gmail.com> wrote:

> > So do you have any clue why it's not working with sources combined? And
> are
> > there any downsides of split input?
> I read that it was "less synchronous"
> http://ffmpeg.zeranoe.com/forum/viewtopic.php?f=3&t=27 but I haven't
> tested it myself.
> > And I am getting "real-time buffer 189% full! frame dropped!" messages.
> > Should I worry about those?
> Did you get them before?
> I have been contemplating a patch to ffmpeg to make the directshow
> input "back off" by not accepting more packets instead of just
> dropping them on the floor.  It's a more 'direct-show-y' approach but
> haven't done it yet, nor am I indeed certain if it would be better or
> not.  Until then, you can either limit the fps of your input, or live
> with the "frame dropped!" messages I guess.
> -roger-
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