Re: Using MidiMan Delta 66 drivers.
Re: Using MidiMan Delta 66 drivers.
- Subject: Re: Using MidiMan Delta 66 drivers.
- From: Jeff Moore <email@hidden>
- Date: Wed, 12 Dec 2001 11:53:48 -0800
on 12/12/01 6:02 AM, Markus Handell <email@hidden> wrote:
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When we shift the sample rate in our framework, we perform the change
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with the stream stopped. This is because we use non-interleaved buffers
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aside from the IOProc-supplied buffers and we don't want to allocate any
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memory in the IOProc. So we do every change with the sound stream
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stopped. The thing is, with the Midiman driver chosen, we cannot always
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start the driver again. The calls fail.
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So I fooled around with delays before and after settings changes, and
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the problem seems to occur less often.
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Does anyone know what's going on? I don't like putting sleeps in our
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software :-) !!!
That definitely sounds odd. Can you try this with a USB Audio device and see
if things behave better/worse?
--
Jeff Moore
Core Audio
Apple