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2014/10/15 ¤U¤È 10:04:15
iphone Programming Glossary: audiounitsetpropertyHow to record sound produced by mixer unit output (iOS Core Audio & Audio Graph) http://stackoverflow.com/questions/7118429/how-to-record-sound-produced-by-mixer-unit-output-ios-core-audio-audio-graph the code below. This is done just after the Multichannel Mixer unit Setup UInt32 flag 1 Enable IO for playback result AudioUnitSetProperty iOUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Output 0 Output bus flag sizeof flag if noErr result self.. kAudioUnitScope_Output 0 Output bus flag sizeof flag if noErr result self printErrorMessage @ AudioUnitSetProperty EnableIO withStatus result return can't do that because AudioUnitSetProperty EnableIO error 1073752493 00000000 result AudioUnitSetProperty.. if noErr result self printErrorMessage @ AudioUnitSetProperty EnableIO withStatus result return can't do that because AudioUnitSetProperty EnableIO error 1073752493 00000000 result AudioUnitSetProperty iOUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Input..
Can anybody help me in recording iPhone output sound through Audio Unit http://stackoverflow.com/questions/8615358/can-anybody-help-me-in-recording-iphone-output-sound-through-audio-unit Get audio units status AudioComponentInstanceNew inputComponent audioUnit Enable IO for recording UInt32 flag 1 status AudioUnitSetProperty audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Input kInputBus flag sizeof flag Enable IO for playback.. kAudioUnitScope_Input kInputBus flag sizeof flag Enable IO for playback status AudioUnitSetProperty audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Output kOutputBus flag sizeof flag Describe format.. 1 audioFormat.mBitsPerChannel 16 audioFormat.mBytesPerPacket 2 audioFormat.mBytesPerFrame 2 Apply format status AudioUnitSetProperty audioUnit kAudioUnitProperty_StreamFormat kAudioUnitScope_Output kInputBus audioFormat sizeof audioFormat status..
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