2014/10/15 下午 10:08:41

iphone Programming Glossary: extaudiofiledispose

Audio Processing: Playing with volume level

http://stackoverflow.com/questions/3982723/audio-processing-playing-with-volume-level

read in the data UInt32 rFrames UInt32 numFrames err ExtAudioFileRead audiofile rFrames bufferList close the file err ExtAudioFileDispose audiofile process the audio for int ii 0 ii bufferList mNumberBuffers ii float fBuf float bufferList mBuffers ii .mData.. sizeof clientFormat clientFormat write the data err ExtAudioFileWrite audiofile rFrames bufferList close the file ExtAudioFileDispose audiofile destroy the buffers for int ii 0 ii bufferList mNumberBuffers ii free bufferList mBuffers ii .mData free bufferList..

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

THIS mAudioFileRef inNumberFrames bufferList return noErr In stopRecord you should close the audio file with ExtAudioFileDispose void stopRecording NSTimer theTimer printf nstopRecording n AudioOutputUnitStop mAudioUnit AudioUnitUninitialize mAudioUnit.. theTimer printf nstopRecording n AudioOutputUnitStop mAudioUnit AudioUnitUninitialize mAudioUnit OSStatus status ExtAudioFileDispose mAudioFileRef printf OSStatus ExtAudioFileDispose ld n status Full source code http pastebin.com 92Fyjaye share improve..

ExtAudioFileWrite to m4a/aac failing on dual-core devices (ipad 2, iphone 4s)

http://stackoverflow.com/questions/8719865/extaudiofilewrite-to-m4a-aac-failing-on-dual-core-devices-ipad-2-iphone-4s

mBuffers 0 .mData writeBuffer mBuffers 1 .mData bufferFrames ExtAudioFileWrite outFile bufferFrames writeBuffer err ExtAudioFileDispose outFile The pcm frames are properly created but ExtAudioFileWrite fails the 2nd 3rd time it is called. Any ideas Thank you..