2014/10/15 下午 10:10:34

iphone Programming Glossary: inuserdata

How do I synthesize sounds with CoreAudio on iPhone/Mac

http://stackoverflow.com/questions/1361148/how-do-i-synthesize-sounds-with-coreaudio-on-iphone-mac

then be called whenever the AudioQueue needs more data. Implement with something like void AudioQueueCallback void inUserData AudioQueueRef inAQ AudioQueueBufferRef inBuffer void pBuffer inBuffer mAudioData UInt32 bytes inBuffer mAudioDataBytesCapacity..

how to resume recording after interruption occured in iphone?

http://stackoverflow.com/questions/1706064/how-to-resume-recording-after-interruption-occured-in-iphone

not. Hope this helps someone out there. EDIT Audio interrupt listener callback void interruptionListenerCallback void inUserData UInt32 interruptionState if interruptionState kAudioSessionBeginInterruption self.audioRecorder pause else if interruptionState..

Audio queue start failed

http://stackoverflow.com/questions/2490786/audio-queue-start-failed

very much appreciated. Update The code that I'm currently using is given below void interruptionListenerCallback void inUserData UInt32 interruptionState This callback being outside the implementation block needs a reference to the AudioPlayer object..

How to recognize swipe gesture in UIScrollView

http://stackoverflow.com/questions/3648967/how-to-recognize-swipe-gesture-in-uiscrollview

Data format from recording using Audio Queue framework

http://stackoverflow.com/questions/3963827/data-format-from-recording-using-audio-queue-framework

failed And finally here is the callback which handles new audio data void AQRecorder MyInputBufferHandler void inUserData AudioQueueRef inAQ AudioQueueBufferRef inBuffer const AudioTimeStamp inStartTime UInt32 inNumPackets const AudioStreamPacketDescription.. inStartTime UInt32 inNumPackets const AudioStreamPacketDescription inPacketDesc AQRecorder aqr AQRecorder inUserData try if inNumPackets 0 CAStreamBasicDescription queueFormat aqr DataFormat SoundTouch soundTouch aqr getSoundTouch soundTouch..

iPhone - Capture device button push

http://stackoverflow.com/questions/639721/iphone-capture-device-button-push

c share improve this question It's easy with a listener callback void audioVolumeChangeListenerCallback void inUserData AudioSessionPropertyID inID UInt32 inDataSize const void inData RootViewController controller RootViewController inUserData.. AudioSessionPropertyID inID UInt32 inDataSize const void inData RootViewController controller RootViewController inUserData Float32 newGain Float32 inData controller setGainManual newGain which gets initialized in my view controller's viewDidLoad..

Why might my AudioQueueOutputCallback not be called?

http://stackoverflow.com/questions/7575670/why-might-my-audioqueueoutputcallback-not-be-called

to every example I've seen so far Prototype declared above the class's @implementation void AQBufferCallback void inUserData AudioQueueRef inAudioQueue AudioQueueBufferRef inAudioQueueBuffer Definition at the bottom of the file. void AQBufferCallback.. inAudioQueue AudioQueueBufferRef inAudioQueueBuffer Definition at the bottom of the file. void AQBufferCallback void inUserData AudioQueueRef inAudioQueue AudioQueueBufferRef inAudioQueueBuffer printf callback n MyAudioPlayer inUserData audioQueue.. void inUserData AudioQueueRef inAudioQueue AudioQueueBufferRef inAudioQueueBuffer printf callback n MyAudioPlayer inUserData audioQueue inAudioQueue didAquireBufferForReuse inAudioQueueBuffer I create the AudioQueue like this OSStatus status 0 status..

iOS Stream Audio from one iOS Device to Another

http://stackoverflow.com/questions/8357514/ios-stream-audio-from-one-ios-device-to-another

that data to the audio queue That's the call back method set up in AQPlayer void AQPlayer AQBufferCallback void inUserData AudioQueueRef inAQ AudioQueueBufferRef inCompleteAQBuffer The method that we'll use to add part of our data to the audio..

Audio recorded using Audio Queue Services to data

http://stackoverflow.com/questions/8451084/audio-recorded-using-audio-queue-services-to-data

callback method in which I believe I should grab the data and send it to the other iPhone void AudioInputCallback void inUserData AudioQueueRef inAQ AudioQueueBufferRef inBuffer const AudioTimeStamp inStartTime UInt32 inNumberPacketDescriptions const.. UInt32 inNumberPacketDescriptions const AudioStreamPacketDescription inPacketDescs RecordState recordState RecordState inUserData if recordState recording return OSStatus status AudioFileWritePackets recordState audioFile false inBuffer mAudioDataByteSize..