Question about the IOAudioEngine::clipOutputSamples()
Question about the IOAudioEngine::clipOutputSamples()
- Subject: Question about the IOAudioEngine::clipOutputSamples()
- From: "David Tan" <email@hidden>
- Date: Wed, 19 Nov 2008 09:38:49 +0800
Hi All,
Could you please clear my confusion?
Now I want to process audio data while playing music.
So I overrode the IOAudioEngine::clipOutputSamples()
and get audio data from its first parameter: const
void* mixBuf
However, it seems that the clipOutputSamples() in my
derived class would never be called. I’m totally confused of it.
I don’t set AudioIOFunction in my IOAudioStream. Does
the IOAudioFamily use clipOutputSamples()
instead, doesn’t it?
If anyone could give me some clarification of it, I’ll
be very grateful. Thanks a lot!
BTW, the derived IOAudioEngine and its IOAudioStream
can show up in the I/O Registry. And I can see my audio engine in Sound
Preference Pane.
Best Regards,
David Tan,
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