Capturing AU output to file
Capturing AU output to file
- Subject: Capturing AU output to file
- From: Jeff Evans <email@hidden>
- Date: Fri, 10 Apr 2009 13:05:01 -0700
| Hi - I'm trying to use the CAAudioUnitOutputCapturer sample code to capture output from the DLS synth, and I can't get past an 'unsupported format' error at ExtAudioFileCreateNew. The format argument seems to be properly initialized using AudioUnitGetProperty on the synth, but I see the formatID is 'lpcm' - is ExtAudioFileCreateNew just unable to accept that format? For output file formats I've tried kAudioFileWAVEType, kAudioFileAIFFType, etc. but now I wonder: does the output capturer just not work with the built-in DLS synth?
I have a feeling this will end up being a dumb question - I had assumed that the capturer would convert output on the fly to the specified audio file format - am I mixed up?
Jeff
|
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