void CAAudioHardwareSystem::AddPropertyListener(AudioHardwarePropertyID inPropertyID, AudioHardwarePropertyListenerProc inListenerProc, void* inClientData)
{
OSStatus theError = AudioHardwareAddPropertyListener(inPropertyID, inListenerProc, inClientData);
ThrowIfError(theError, CAException(theError), "CAAudioHardwareSystem::AddPropertyListener: got an error adding a property listener");
}
JNIEXPORT jint JNICALL Java_com_apple_audio_hardware_AudioHardware_AudioHardwareAddPropertyListener
(JNIEnv *, jclass, jint inPropertyID, jint inProc, jint inClientData)
{
return (jint)AudioHardwareAddPropertyListener((AudioHardwarePropertyID)inPropertyID, (AudioHardwarePropertyListenerProc)inProc, (void *)inClientData);
}
// ----------------------------------------------------------------------------
void AudioCoreDriver::initialize(PlayerLibSidplay* player, int sampleRate, int bitsPerSample)
// ----------------------------------------------------------------------------
{
if (mInstanceId != 0)
return;
mPlayer = player;
mNumSamplesInBuffer = 512;
mIsPlaying = false;
mIsPlayingPreRenderedBuffer = false;
mBufferUnderrunDetected = false;
mBufferUnderrunCount = 0;
mSpectrumTemporalSmoothing = 0.5f;
mPreRenderedBuffer = NULL;
mPreRenderedBufferSampleCount = 0;
mPreRenderedBufferPlaybackPosition = 0;
if (!mIsInitialized)
{
OSStatus err;
//get default output device
UInt32 propertySize = sizeof(mDeviceID);
AudioObjectPropertyAddress prop1 = {kAudioHardwarePropertyDefaultOutputDevice, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster};
err = AudioObjectGetPropertyData(kAudioObjectSystemObject, &prop1, 0, NULL, &propertySize, &mDeviceID);
if (err != kAudioHardwareNoError) {
printf("AudioObjectGetPropertyData(kAudioHardwarePropertyDefaultOutputDevice) failed\n");
return;
}
if (mDeviceID == kAudioDeviceUnknown)
return;
err = queryStreamFormat(mDeviceID, mStreamFormat);
if (err != kAudioHardwareNoError) {
printf("queryStreamFormat failed\n");
return;
}
//add property listeners
#if USE_NEW_API
AudioObjectPropertyAddress prop5 = {
kAudioDevicePropertyStreamFormat, //TODO this is deprecated, how to get this notification?
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
err = AudioObjectAddPropertyListener(mDeviceID, &prop5, streamFormatChanged, (void*)this);
if (err != kAudioHardwareNoError) {
printf("AudioObjectAddPropertyListener(streamFormatChanged) failed\n");
return;
}
AudioObjectPropertyAddress prop6 = {
kAudioDeviceProcessorOverload,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
err = AudioObjectAddPropertyListener(mDeviceID, &prop6, overloadDetected, (void*)this);
if (err != kAudioHardwareNoError) {
printf("AudioObjectAddPropertyListener(overloadDetected) failed\n");
return;
}
AudioObjectPropertyAddress prop7 = {
kAudioHardwarePropertyDefaultOutputDevice,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
err = AudioObjectAddPropertyListener(mDeviceID, &prop7, deviceChanged, (void*)this);
if (err != kAudioHardwareNoError) {
printf("AudioObjectAddPropertyListener(deviceChanged) failed\n");
return;
}
#else
if (AudioDeviceAddPropertyListener(mDeviceID, 0, false, kAudioDevicePropertyStreamFormat, streamFormatChanged, (void*) this) != kAudioHardwareNoError)
return;
if (AudioDeviceAddPropertyListener(mDeviceID, 0, false, kAudioDeviceProcessorOverload, overloadDetected, (void*) this) != kAudioHardwareNoError)
return;
if (AudioHardwareAddPropertyListener(kAudioHardwarePropertyDefaultOutputDevice, deviceChanged, (void*) this) != kAudioHardwareNoError)
return;
#endif
mSampleBuffer1 = new short[mNumSamplesInBuffer];
memset(mSampleBuffer1, 0, sizeof(short) * mNumSamplesInBuffer);
mSampleBuffer2 = new short[mNumSamplesInBuffer];
memset(mSampleBuffer2, 0, sizeof(short) * mNumSamplesInBuffer);
mSpectrumBuffer = new float[mNumSamplesInBuffer/2];
memset(mSpectrumBuffer, 0, sizeof(float) * (mNumSamplesInBuffer/2));
mSampleBuffer = mSampleBuffer1;
mRetSampleBuffer = mSampleBuffer2;
int bufferByteSize = mNumSamplesInBuffer * mStreamFormat.mChannelsPerFrame * sizeof(float);
propertySize = sizeof(bufferByteSize);
#if USE_NEW_API
AudioObjectPropertyAddress prop8 = {
kAudioDevicePropertyBufferSize,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
err = AudioObjectSetPropertyData(mDeviceID, &prop8, 0, NULL, propertySize, &bufferByteSize);
if (err != kAudioHardwareNoError) {
printf("AudioObjectSetPropertyData(kAudioDevicePropertyBufferSize) failed\n");
return;
}
#else
if (AudioDeviceSetProperty(mDeviceID, NULL, 0, false, kAudioDevicePropertyBufferSize, propertySize, &bufferByteSize) != kAudioHardwareNoError)
return;
#endif
mScaleFactor = sBitScaleFactor;
mPreRenderedBufferScaleFactor = sBitScaleFactor;
if (AudioDeviceCreateIOProcID(mDeviceID, emulationPlaybackProc, (void*) this, &mEmulationPlaybackProcID) != kAudioHardwareNoError)
{
delete[] mSampleBuffer1;
mSampleBuffer1 = NULL;
delete[] mSampleBuffer2;
mSampleBuffer2 = NULL;
mSampleBuffer = NULL;
mRetSampleBuffer = NULL;
delete[] mSpectrumBuffer;
mSpectrumBuffer = NULL;
return;
}
if (AudioDeviceCreateIOProcID(mDeviceID, preRenderedBufferPlaybackProc, (void*) this, &mPreRenderedBufferPlaybackProcID) != kAudioHardwareNoError)
{
delete[] mSampleBuffer1;
mSampleBuffer1 = NULL;
delete[] mSampleBuffer2;
mSampleBuffer2 = NULL;
mSampleBuffer = NULL;
mRetSampleBuffer = NULL;
delete[] mSpectrumBuffer;
mSpectrumBuffer = NULL;
return;
}
}
mVolume = 1.0f;
mIsInitialized = true;
}