HAL Output IOProc and multiple AudioBuffers
HAL Output IOProc and multiple AudioBuffers
- Subject: HAL Output IOProc and multiple AudioBuffers
- From: Sven Behne Listen <email@hidden>
- Date: Tue, 6 Jul 2004 15:18:43 +0200
Hi all!
I'm having a question regarding the HAL output IOProc in cases where an
AudioDevice has an AudioBufferList with more than one AudioBuffer (like
a MOTU 828 with 8 analog and 2 digital outs).
Supposed, I'm having only 8 channels and don't want any output on the
additional 2 digital channels, is it allright to set the mDataByteSize
field of the corresponding buffer to 0?
Or - if that's not within specs - am I safe to assume, that the
AudioBuffer's data will be zero the first time the IOProc is called and
I don't have to zero the buffer every time the IOProc is called?
Best regards,
Sven
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