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2014/10/15 ¤U¤È 10:10:14
iphone Programming Glossary: indatahttp://stackoverflow.com/questions/3678249/routing-iphone-audio-sound nil Where void audioSessionPropertyListener void inClientData AudioSessionPropertyID inID UInt32 inDataSize const void inData UInt32 audioRouteOverride kAudioSessionOverrideAudioRoute_Speaker if isHeadsetPluggedIn AudioSessionSetProperty.. Where void audioSessionPropertyListener void inClientData AudioSessionPropertyID inID UInt32 inDataSize const void inData UInt32 audioRouteOverride kAudioSessionOverrideAudioRoute_Speaker if isHeadsetPluggedIn AudioSessionSetProperty kAudioSessionProperty_OverrideAudioRoute..
Audio Processing: Playing with volume level http://stackoverflow.com/questions/3982723/audio-processing-playing-with-volume-level inURL kAudioFileReadPermission kAudioFileWAVEType inFileID UInt32 fileSize self audioFileSize inFileID Float32 inData malloc fileSize sizeof Float32 I used Float32 type with jv42's suggestion AudioFileReadBytes inFileID false 0 fileSize inData.. malloc fileSize sizeof Float32 I used Float32 type with jv42's suggestion AudioFileReadBytes inFileID false 0 fileSize inData Float32 outData malloc fileSize sizeof Float32 Art's suggestion if I've correctly understood him float ampScale 0.5f this.. understood him float ampScale 0.5f this will reduce the 'volume' by 6db for int i 0 i fileSize i outData i Float32 inData i ampScale AudioStreamBasicDescription outDataFormat 0 self audioDataFormat inFileID AudioFileID outFileID CFURLRef outURL..
AVAssetReader and Audio Queue streaming problem http://stackoverflow.com/questions/4763598/avassetreader-and-audio-queue-streaming-problem pplayerState bufferByteSize NSNotificationCenter defaultCenter postNotificationName NOTIF_callsample object nil float inData float inBuffer mAudioData int offsetSample 0 Loop until finish reading from the music data while bytesToRead THIS IS THE.. sizeof audioBufferList NULL NULL 0 blockBuffer AudioBuffer audioBuffer audioBufferList.mBuffers 0 memcpy inData 2 offsetSample audioBuffer.mData audioBuffer.mDataByteSize bytesToRead bytesToRead audioBuffer.mDataByteSize offsetSample..
iPhone - Capture device button push http://stackoverflow.com/questions/639721/iphone-capture-device-button-push with a listener callback void audioVolumeChangeListenerCallback void inUserData AudioSessionPropertyID inID UInt32 inDataSize const void inData RootViewController controller RootViewController inUserData Float32 newGain Float32 inData controller.. void audioVolumeChangeListenerCallback void inUserData AudioSessionPropertyID inID UInt32 inDataSize const void inData RootViewController controller RootViewController inUserData Float32 newGain Float32 inData controller setGainManual newGain.. inDataSize const void inData RootViewController controller RootViewController inUserData Float32 newGain Float32 inData controller setGainManual newGain which gets initialized in my view controller's viewDidLoad like this AudioSessionAddPropertyListener..
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