Apple

On 3 Dec 2012, at 16:08, Aran Mulholland wrote:

Just a question Paul

From the doco:

"The first time this function is called, allocations may be performed. You can call this function with 0 frames and a NULL buffer in a non-time-critical context to initialize the asynchronous mechanism. Once initialized, subsequent calls are very efficient and do not take locks. This technique may be used to write to a file from a realtime thread."

If it takes no locks and is "very efficient" why can't you use it in a render callback? From my understanding it does no disk IO, just puts the data in a ringbuffer for processing from another thread somewhere in its innards..

On Tue, Dec 4, 2012 at 6:54 AM, Paul Davis <email@hidden> wrote:

ExtAudioFileWriteAsync

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References:
	>How to capture audio generated by a render callback, iOS (From: Tim Kemp <email@hidden>)
	>Re: How to capture audio generated by a render callback, iOS (From: Gregory Wieber <email@hidden>)
	>Re: How to capture audio generated by a render callback, iOS (From: Paul Davis <email@hidden>)
	>Re: How to capture audio generated by a render callback, iOS (From: Paul Davis <email@hidden>)
	>Re: How to capture audio generated by a render callback, iOS (From: Aran Mulholland <email@hidden>)
	>Re: How to capture audio generated by a render callback, iOS (From: Tim Kemp <email@hidden>)