2014/10/15 下午 10:04:12

iphone Programming Glossary: audioqueueref

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

You would setup the AudeioQueue to run in a new thread as such #define BUFFER_SIZE 16384 #define BUFFER_COUNT 3 static AudioQueueRef audioQueue void SetupAudioQueue OSStatus err noErr Setup the audio device. AudioStreamBasicDescription deviceFormat deviceFormat.mSampleRate.. 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 Write..

where to start with audio synthesis on iPhone

http://stackoverflow.com/questions/2067267/where-to-start-with-audio-synthesis-on-iphone

sound data is liitle endian signed 16 bit @ 44.1KHz class BleepMachine static void staticQueueCallback void userData AudioQueueRef outAQ AudioQueueBufferRef outBuffer BleepMachine pThis reinterpret_cast BleepMachine userData pThis queueCallback outAQ.. BleepMachine pThis reinterpret_cast BleepMachine userData pThis queueCallback outAQ outBuffer void queueCallback AudioQueueRef outAQ AudioQueueBufferRef outBuffer AudioStreamBasicDescription m_outFormat AudioQueueRef m_outAQ enum kBufferSizeInFrames.. outBuffer void queueCallback AudioQueueRef outAQ AudioQueueBufferRef outBuffer AudioStreamBasicDescription m_outFormat AudioQueueRef m_outAQ enum kBufferSizeInFrames 512 kNumBuffers 4 kSampleRate 44100 AudioQueueBufferRef m_buffers kNumBuffers bool m_isInitialised..

iPhone audio analysis

http://stackoverflow.com/questions/2110009/iphone-audio-analysis

iphone share improve this question Look in the Audio Queue framework . This is what I use to get a high water mark AudioQueueRef audioQueue Imagine this is correctly set up UInt32 dataSize sizeof AudioQueueLevelMeterState recordFormat.mChannelsPerFrame..

Data format from recording using Audio Queue framework

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

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..

AVAssetReader and Audio Queue streaming problem

http://stackoverflow.com/questions/4763598/avassetreader-and-audio-queue-streaming-problem

function 'works' when it is not called by the AudioQueue callback. static void HandleOutputBuffer void playerStateH AudioQueueRef inAQ AudioQueueBufferRef inBuffer AQPlayerState pplayerState AQPlayerState playerStateH if pplayerState mIsRunning 0 return..

Why might my AudioQueueOutputCallback not be called?

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

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 void inUserData.. AudioQueueBufferRef inAudioQueueBuffer Definition at the bottom of the file. void AQBufferCallback void inUserData AudioQueueRef inAudioQueue AudioQueueBufferRef inAudioQueueBuffer printf callback n MyAudioPlayer inUserData audioQueue inAudioQueue didAquireBufferForReuse..

iOS Stream Audio from one iOS Device to Another

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

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 queue is AudioQueueEnqueueBuffer..

Audio recorded using Audio Queue Services to data

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

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 AudioStreamPacketDescription..