Re: AUGraph and output callback
Re: AUGraph and output callback
- Subject: Re: AUGraph and output callback
- From: Paul Davis <email@hidden>
- Date: Tue, 03 Jan 2012 07:06:21 -0500
On 1/3/12, Daniel Tapie <email@hidden> wrote:
> Hi Everyone,
>
> I am new to CoreAudio but I am almost done building an AUGraph that reads
> audio files, mixes them, adds filters and outputs to any HAL device.
> However, I would like to save the samples that are played out to a file
> using our own code (I know about Audio Hijack Pro, but I don't want our
> users to have to buy extra software).
>
> So is there a way to insert a callback at the output of the graph in order
> to get access to the samples ? There would be no synchronization issue since
> we will merely save them to a file.
>
> I have also considered writing our own audio unit and a splitter, but that
> seems like an overkill.
that's actually much simpler than any other solution.
if cost is the issue, you could use JACK, but the architecture of your
"system" would then be more complex.
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