[Libav-user] Synchronising audio to system clock

[Simon Brown]

On Tue, 12 Oct 2021 at 15:41, drwho <drwho at infidigm.net> wrote:

> One of the audio hifi streaming devices used to drop or insert samples.
> In newer versions they fine tune the audio pll to match the stream rate.
> Beware Sonos has a patent on the behavior you just described.  What is your
> application?
>
> Thanks.
But if eg your PC is playing audio from a file stored on the PC and also
from a stream eg YouTube, how can it tune the audio pll as it's already set
for the file playback?
The application is to get audio from a browser back to an embedded system
to play it out there - but as multiple different audio sources are on the
embedded system it cannot tune the audio pll to match the browser clock
rate.
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