[Libav-user] Merging various audio and video sources into one using avfilter lib?

Anshul maheshwari er.anshul.maheshwari at gmail.com
Mon Jun 17 09:07:17 CEST 2013

Isnt merging is same as muxing two elementry stream means audio n video in
ur cases
On Jun 17, 2013 12:32 PM, "jona" <jona at visualblasters.com> wrote:

> Hello!
> I'm looking to merge various audio and video sources into one. The sources
> need to start at different time offsets. My guess is to use avfilter lib.
> Would that do the trick? Is that the right direction?
> If avfilter lib is the correct direction I would greatly appreciate if
> someone could provide some pseudo code on how I could be done? I'm having a
> hard time finding some documentation or examples about using filters.
> I have looked into the filtering_video.c example but I'm not 100% sure how
> to go about setting it up and all.
> How do I feed the various audio and video frames to the different input
> filter buffers? I'm not sure how the offsets are set or handled or if the
> avfilter lib handles that side of things.
> Thanks for any help or direction about this.
> - Jona
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