diff --git a/mac/sound.cpp b/mac/sound.cpp index 86536f04..07a4717d 100755 --- a/mac/sound.cpp +++ b/mac/sound.cpp @@ -37,10 +37,11 @@ CSound::CSound ( void (*fpNewProcessCallback) ( CVector& psData, void* ar // notifications (for most apps, this will be the main thread), add the // following lines of code: // tell the HAL to use the current thread as it's run loop - CFRunLoopRef theRunLoop = CFRunLoopGetCurrent(); - AudioObjectPropertyAddress property = { kAudioHardwarePropertyRunLoop, - kAudioObjectPropertyScopeGlobal, - kAudioObjectPropertyElementMaster }; + CFRunLoopRef theRunLoop = CFRunLoopGetCurrent(); + AudioObjectPropertyAddress property = { kAudioHardwarePropertyRunLoop, + kAudioObjectPropertyScopeGlobal, + kAudioObjectPropertyElementMaster }; + AudioObjectSetPropertyData ( kAudioObjectSystemObject, &property, 0, @@ -48,113 +49,6 @@ CSound::CSound ( void (*fpNewProcessCallback) ( CVector& psData, void* ar sizeof ( CFRunLoopRef ), &theRunLoop ); - // set up stream format - streamFormat.mSampleRate = SYSTEM_SAMPLE_RATE_HZ; - streamFormat.mFormatID = kAudioFormatLinearPCM; - streamFormat.mFormatFlags = kAudioFormatFlagIsSignedInteger; - streamFormat.mFramesPerPacket = 1; - streamFormat.mBytesPerFrame = 4; - streamFormat.mBytesPerPacket = 4; - streamFormat.mChannelsPerFrame = 2; // stereo - streamFormat.mBitsPerChannel = 16; - - // set up a callback struct for new input data - inputCallbackStruct.inputProc = processInput; - inputCallbackStruct.inputProcRefCon = this; - - // set up a callback struct for new output data - outputCallbackStruct.inputProc = processOutput; - outputCallbackStruct.inputProcRefCon = this; - - // allocate memory for buffer struct - pBufferList = (AudioBufferList*) malloc ( offsetof ( AudioBufferList, - mBuffers[0] ) + sizeof ( AudioBuffer ) ); - - // open the default unit - ComponentDescription desc; - desc.componentType = kAudioUnitType_Output; - desc.componentSubType = kAudioUnitSubType_HALOutput; - desc.componentManufacturer = kAudioUnitManufacturer_Apple; - desc.componentFlags = 0; - desc.componentFlagsMask = 0; - - Component comp = FindNextComponent ( NULL, &desc ); - if ( comp == NULL ) - { - throw CGenErr ( tr ( "No CoreAudio next component found" ) ); - } - - if ( OpenAComponent ( comp, &audioInputUnit ) ) - { - throw CGenErr ( tr ( "CoreAudio creating input component instance failed" ) ); - } - - if ( OpenAComponent ( comp, &audioOutputUnit ) ) - { - throw CGenErr ( tr ( "CoreAudio creating output component instance failed" ) ); - } - - // we enable input and disable output for input component - UInt32 enableIO = 1; - AudioUnitSetProperty ( audioInputUnit, - kAudioOutputUnitProperty_EnableIO, - kAudioUnitScope_Input, - 1, // input element - &enableIO, - sizeof ( enableIO ) ); - - enableIO = 0; - AudioUnitSetProperty ( audioInputUnit, - kAudioOutputUnitProperty_EnableIO, - kAudioUnitScope_Output, - 0, // output element - &enableIO, - sizeof ( enableIO ) ); - - // set up a callback function for new input data - if ( AudioUnitSetProperty ( audioInputUnit, - kAudioOutputUnitProperty_SetInputCallback, - kAudioUnitScope_Global, - 0, - &inputCallbackStruct, - sizeof ( inputCallbackStruct ) ) ) - { - throw CGenErr ( tr ( "CoreAudio audio unit set property failed" ) ); - } - - // set input stream format - if ( AudioUnitSetProperty ( audioInputUnit, - kAudioUnitProperty_StreamFormat, - kAudioUnitScope_Output, - 1, - &streamFormat, - sizeof ( streamFormat ) ) ) - { - throw CGenErr ( tr ( "CoreAudio stream format set property failed" ) ); - } - - // set up a callback function for new output data - if ( AudioUnitSetProperty ( audioOutputUnit, - kAudioUnitProperty_SetRenderCallback, - kAudioUnitScope_Global, - 0, - &outputCallbackStruct, - sizeof ( outputCallbackStruct ) ) ) - { - throw CGenErr ( tr ( "CoreAudio audio unit set property failed" ) ); - } - - // set output stream format - if ( AudioUnitSetProperty ( audioOutputUnit, - kAudioUnitProperty_StreamFormat, - kAudioUnitScope_Input, - 0, - &streamFormat, - sizeof ( streamFormat ) ) ) - { - throw CGenErr ( tr ( "CoreAudio stream format set property failed" ) ); - } - // Get available input/output devices -------------------------------------- UInt32 iPropertySize; @@ -183,7 +77,7 @@ CSound::CSound ( void (*fpNewProcessCallback) ( CVector& psData, void* ar audioDevices ); // calculate device count based on size of returned data array - const UInt32 deviceCount = ( iPropertySize / sizeof ( AudioDeviceID ) ); + const UInt32 deviceCount = iPropertySize / sizeof ( AudioDeviceID ); // always add system default devices for input and output as first entry lNumDevs = 0; @@ -263,6 +157,8 @@ CSound::CSound ( void (*fpNewProcessCallback) ( CVector& psData, void* ar } } + free ( audioDevices ); + // init device index as not initialized (invalid) lCurDev = INVALID_SNC_CARD_DEVICE; CurrentAudioInputDeviceID = 0; @@ -273,41 +169,46 @@ void CSound::GetAudioDeviceInfos ( const AudioDeviceID DeviceID, bool& bIsInput, bool& bIsOutput ) { - // check if device is input or output or both (is that possible?) - // we do this by trying to set the current device for the audio unit - // with the parameter input and output and then we simply check the - // error/ok result - bIsInput = !AudioUnitSetProperty ( audioInputUnit, - kAudioOutputUnitProperty_CurrentDevice, - kAudioUnitScope_Global, - 1, - &DeviceID, - sizeof ( AudioDeviceID ) ); + UInt32 iPropertySize; + AudioObjectPropertyAddress stPropertyAddress; - bIsOutput = !AudioUnitSetProperty ( audioOutputUnit, - kAudioOutputUnitProperty_CurrentDevice, - kAudioUnitScope_Global, - 0, - &DeviceID, - sizeof ( AudioDeviceID ) ); + // init return values + strDeviceName = "UNKNOWN"; // init value in case no name is available + bIsInput = false; + bIsOutput = false; + + // check if device is input or output or both (is that possible?) + stPropertyAddress.mSelector = kAudioDevicePropertyStreams; + stPropertyAddress.mElement = kAudioObjectPropertyElementMaster; + + // input check + stPropertyAddress.mScope = kAudioDevicePropertyScopeInput; + + AudioObjectGetPropertyDataSize ( DeviceID, + &stPropertyAddress, + 0, + NULL, + &iPropertySize ); + + bIsInput = ( iPropertySize > 0 ); // check if any input streams are available + + // output check + stPropertyAddress.mScope = kAudioDevicePropertyScopeOutput; + + AudioObjectGetPropertyDataSize ( DeviceID, + &stPropertyAddress, + 0, + NULL, + &iPropertySize ); + + bIsOutput = ( iPropertySize > 0 ); // check if any output streams are available // get property name - UInt32 iPropertySize = sizeof ( CFStringRef ); CFStringRef sPropertyStringValue; - AudioObjectPropertyAddress stPropertyAddress; stPropertyAddress.mSelector = kAudioObjectPropertyName; - - if ( bIsInput ) - { - stPropertyAddress.mScope = kAudioDevicePropertyScopeInput; - } - else - { - stPropertyAddress.mScope = kAudioDevicePropertyScopeOutput; - } - - stPropertyAddress.mElement = 0; + stPropertyAddress.mScope = kAudioObjectPropertyScopeGlobal; + iPropertySize = sizeof ( CFStringRef ); AudioObjectGetPropertyData ( DeviceID, &stPropertyAddress, @@ -317,8 +218,6 @@ void CSound::GetAudioDeviceInfos ( const AudioDeviceID DeviceID, &sPropertyStringValue ); // first check if the string is not empty - strDeviceName = "UNKNOWN"; // init value in case no name is available - if ( CFStringGetLength ( sPropertyStringValue ) > 0 ) { // convert CFString in c-string (quick hack!) and then in QString @@ -332,33 +231,13 @@ void CSound::GetAudioDeviceInfos ( const AudioDeviceID DeviceID, { strDeviceName = sC_strPropValue; } + + free ( sC_strPropValue ); } } QString CSound::LoadAndInitializeDriver ( int iDriverIdx ) { - // set input device - if ( AudioUnitSetProperty ( audioInputUnit, - kAudioOutputUnitProperty_CurrentDevice, - kAudioUnitScope_Global, - 1, - &audioInputDevice[iDriverIdx], - sizeof ( AudioDeviceID ) ) ) - { - throw CGenErr ( tr ( "CoreAudio input AudioUnitSetProperty call failed" ) ); - } - - // set output device - if ( AudioUnitSetProperty ( audioOutputUnit, - kAudioOutputUnitProperty_CurrentDevice, - kAudioUnitScope_Global, - 0, - &audioOutputDevice[iDriverIdx], - sizeof ( AudioDeviceID ) ) ) - { - throw CGenErr ( tr ( "CoreAudio output AudioUnitSetProperty call failed" ) ); - } - // check device capabilities if it fullfills our requirements const QString strStat = CheckDeviceCapabilities ( iDriverIdx ); @@ -368,19 +247,6 @@ QString CSound::LoadAndInitializeDriver ( int iDriverIdx ) // store ID of selected driver if initialization was successful lCurDev = iDriverIdx; CurrentAudioInputDeviceID = audioInputDevice[iDriverIdx]; - -// TODO why is only the input enough...? - - // setup callback for xruns (only for input is enough) - AudioObjectPropertyAddress stPropertyAddress; - stPropertyAddress.mSelector = kAudioDeviceProcessorOverload; - stPropertyAddress.mScope = kAudioObjectPropertyScopeGlobal; - stPropertyAddress.mElement = kAudioObjectPropertyElementMaster; - - AudioObjectAddPropertyListener ( audioInputDevice[lCurDev], - &stPropertyAddress, - deviceNotification, - this ); } return strStat; @@ -388,30 +254,31 @@ QString CSound::LoadAndInitializeDriver ( int iDriverIdx ) QString CSound::CheckDeviceCapabilities ( const int iDriverIdx ) { - UInt32 size; - const Float64 fSystemSampleRate = (Float64) SYSTEM_SAMPLE_RATE_HZ; - AudioObjectPropertyAddress stSRatePropertyAddress; + UInt32 iPropertySize; + Float64 inputSampleRate; + AudioStreamBasicDescription CurDevStreamFormat; + const Float64 fSystemSampleRate = static_cast ( SYSTEM_SAMPLE_RATE_HZ ); + AudioObjectPropertyAddress stPropertyAddress; - stSRatePropertyAddress.mSelector = kAudioDevicePropertyNominalSampleRate; - stSRatePropertyAddress.mScope = kAudioObjectPropertyScopeGlobal; - stSRatePropertyAddress.mElement = kAudioObjectPropertyElementMaster; + stPropertyAddress.mScope = kAudioObjectPropertyScopeGlobal; + stPropertyAddress.mElement = kAudioObjectPropertyElementMaster; // check input device sample rate - size = sizeof ( Float64 ); - Float64 inputSampleRate; + stPropertyAddress.mSelector = kAudioDevicePropertyNominalSampleRate; + iPropertySize = sizeof ( Float64 ); - AudioUnitGetProperty ( audioInputUnit, - kAudioUnitProperty_SampleRate, - kAudioUnitScope_Input, - 1, - &inputSampleRate, - &size ); + AudioObjectGetPropertyData ( audioInputDevice[iDriverIdx], + &stPropertyAddress, + 0, + NULL, + &iPropertySize, + &inputSampleRate ); - if ( static_cast ( inputSampleRate ) != SYSTEM_SAMPLE_RATE_HZ ) + if ( inputSampleRate != fSystemSampleRate ) { // try to change the sample rate if ( AudioObjectSetPropertyData ( audioInputDevice[iDriverIdx], - &stSRatePropertyAddress, + &stPropertyAddress, 0, NULL, sizeof ( Float64 ), @@ -425,20 +292,21 @@ QString CSound::CheckDeviceCapabilities ( const int iDriverIdx ) } // check output device sample rate - size = sizeof ( Float64 ); + iPropertySize = sizeof ( Float64 ); Float64 outputSampleRate; - AudioUnitGetProperty ( audioOutputUnit, - kAudioUnitProperty_SampleRate, - kAudioUnitScope_Output, - 0, - &outputSampleRate, - &size ); - if ( static_cast ( outputSampleRate ) != SYSTEM_SAMPLE_RATE_HZ ) + AudioObjectGetPropertyData ( audioOutputDevice[iDriverIdx], + &stPropertyAddress, + 0, + NULL, + &iPropertySize, + &outputSampleRate ); + + if ( outputSampleRate != fSystemSampleRate ) { // try to change the sample rate if ( AudioObjectSetPropertyData ( audioOutputDevice[iDriverIdx], - &stSRatePropertyAddress, + &stPropertyAddress, 0, NULL, sizeof ( Float64 ), @@ -451,24 +319,77 @@ QString CSound::CheckDeviceCapabilities ( const int iDriverIdx ) } } + // According to the AudioHardware documentation: "If the format is a linear PCM + // format, the data will always be presented as 32 bit, native endian floating + // point. All conversions to and from the true physical format of the hardware + // is handled by the devices driver." + // So we check for the fixed values here. + iPropertySize = sizeof ( AudioStreamBasicDescription ); + stPropertyAddress.mSelector = kAudioStreamPropertyVirtualFormat; + + AudioObjectGetPropertyData ( audioOutputDevice[iDriverIdx], + &stPropertyAddress, + 0, + NULL, + &iPropertySize, + &CurDevStreamFormat ); + + if ( ( CurDevStreamFormat.mFormatID != kAudioFormatLinearPCM ) || + ( CurDevStreamFormat.mFramesPerPacket != 1 ) || + ( CurDevStreamFormat.mBytesPerFrame != 8 ) || + ( CurDevStreamFormat.mBytesPerPacket != 8 ) || + ( CurDevStreamFormat.mChannelsPerFrame != 2 ) || + ( CurDevStreamFormat.mBitsPerChannel != 32 ) ) + { + return QString ( tr ( "The audio stream format for this audio device is" + "not compatible with the requirements." ) ); + } + +// TODO mSampleRate, mFormatFlags = kAudioFormatFlagIsSignedInteger + +// TODO check input device, too! + +qDebug() << "mBitsPerChannel" << CurDevStreamFormat.mBitsPerChannel; +qDebug() << "mBytesPerFrame" << CurDevStreamFormat.mBytesPerFrame; +qDebug() << "mBytesPerPacket" << CurDevStreamFormat.mBytesPerPacket; +qDebug() << "mChannelsPerFrame" << CurDevStreamFormat.mChannelsPerFrame; +qDebug() << "mFramesPerPacket" << CurDevStreamFormat.mFramesPerPacket; +qDebug() << "mSampleRate" << CurDevStreamFormat.mSampleRate; + + + // everything is ok, return empty string for "no error" case return ""; } -void CSound::CloseCoreAudio() -{ - // clean up - AudioUnitUninitialize ( audioInputUnit ); - AudioUnitUninitialize ( audioOutputUnit ); - CloseComponent ( audioInputUnit ); - CloseComponent ( audioOutputUnit ); -} - void CSound::Start() { - // start the rendering - AudioOutputUnitStart ( audioInputUnit ); - AudioOutputUnitStart ( audioOutputUnit ); + // setup callback for xruns (only for input is enough) + AudioObjectPropertyAddress stPropertyAddress; + + stPropertyAddress.mSelector = kAudioDeviceProcessorOverload; + stPropertyAddress.mElement = kAudioObjectPropertyElementMaster; + stPropertyAddress.mScope = kAudioObjectPropertyScopeGlobal; + + AudioObjectAddPropertyListener ( audioInputDevice[lCurDev], + &stPropertyAddress, + deviceNotification, + this ); + + // register the callback function for input and output + AudioDeviceCreateIOProcID ( audioInputDevice[lCurDev], + callbackIO, + this, + &audioInputProcID ); + + AudioDeviceCreateIOProcID ( audioOutputDevice[lCurDev], + callbackIO, + this, + &audioOutputProcID ); + + // start the audio stream + AudioDeviceStart ( audioInputDevice[lCurDev], audioInputProcID ); + AudioDeviceStart ( audioOutputDevice[lCurDev], audioOutputProcID ); // call base class CSoundBase::Start(); @@ -477,8 +398,24 @@ void CSound::Start() void CSound::Stop() { // stop the audio stream - AudioOutputUnitStop ( audioInputUnit ); - AudioOutputUnitStop ( audioOutputUnit ); + AudioDeviceStop ( audioInputDevice[lCurDev], audioInputProcID ); + AudioDeviceStop ( audioOutputDevice[lCurDev], audioOutputProcID ); + + // unregister the callback function for input and output + AudioDeviceDestroyIOProcID ( audioInputDevice[lCurDev], audioInputProcID ); + AudioDeviceDestroyIOProcID ( audioOutputDevice[lCurDev], audioOutputProcID ); + + // unregister the callback function for xruns + AudioObjectPropertyAddress stPropertyAddress; + + stPropertyAddress.mSelector = kAudioDeviceProcessorOverload; + stPropertyAddress.mElement = kAudioObjectPropertyElementMaster; + stPropertyAddress.mScope = kAudioObjectPropertyScopeGlobal; + + AudioObjectRemovePropertyListener( audioInputDevice[lCurDev], + &stPropertyAddress, + deviceNotification, + this ); // call base class CSoundBase::Stop(); @@ -530,41 +467,6 @@ int CSound::Init ( const int iNewPrefMonoBufferSize ) // create memory for intermediate audio buffer vecsTmpAudioSndCrdStereo.Init ( iCoreAudioBufferSizeStereo ); - // fill audio unit buffer struct - pBufferList->mNumberBuffers = 1; - pBufferList->mBuffers[0].mNumberChannels = 2; // stereo - pBufferList->mBuffers[0].mDataByteSize = iCoreAudioBufferSizeMono * 4; // 2 bytes, 2 channels - pBufferList->mBuffers[0].mData = &vecsTmpAudioSndCrdStereo[0]; - - // initialize units - if ( AudioUnitInitialize ( audioInputUnit ) ) - { - throw CGenErr ( tr ( "Initialization of CoreAudio failed" ) ); - } - - if ( AudioUnitInitialize ( audioOutputUnit ) ) - { - throw CGenErr ( tr ( "Initialization of CoreAudio failed" ) ); - } - - -/* -// TEST -AudioDeviceIOProcID testIn; -AudioDeviceCreateIOProcID ( audioInputDevice[lCurDev], - callbackIO, - this, - &testIn ); - -AudioDeviceIOProcID testOut; -AudioDeviceCreateIOProcID ( audioOutputDevice[lCurDev], - callbackIO, - this, - &testOut ); -*/ - - - return iCoreAudioBufferSizeMono; } @@ -584,7 +486,7 @@ UInt32 CSound::SetBufferSize ( AudioDeviceID& audioDeviceID, stPropertyAddress.mScope = kAudioDevicePropertyScopeOutput; } - stPropertyAddress.mElement = 0; + stPropertyAddress.mElement = kAudioObjectPropertyElementMaster; // first set the value UInt32 iSizeBufValue = sizeof ( UInt32 ); @@ -609,29 +511,25 @@ UInt32 CSound::SetBufferSize ( AudioDeviceID& audioDeviceID, OSStatus CSound::deviceNotification ( AudioDeviceID, UInt32, - const AudioObjectPropertyAddress* inAddresses, - void* inRefCon ) + const AudioObjectPropertyAddress* /* inAddresses */, + void* /* inRefCon */ ) { +// TODO: Do we need this anymore? If not, we can completely remove this function... +/* CSound* pSound = static_cast ( inRefCon ); if ( inAddresses->mSelector == kAudioDeviceProcessorOverload ) { - -// TODO: Do we need this anymore? If not, we can completely remove this function... -/* // xrun handling (it is important to act on xruns under CoreAudio // since it seems that the xrun situation stays stable for a // while and would give you a long time bad audio) pSound->EmitReinitRequestSignal ( RS_ONLY_RESTART ); -*/ } +*/ return noErr; } - -/* -// TEST OSStatus CSound::callbackIO ( AudioDeviceID inDevice, const AudioTimeStamp*, const AudioBufferList* inInputData, @@ -642,70 +540,46 @@ OSStatus CSound::callbackIO ( AudioDeviceID inDevice, { CSound* pSound = static_cast ( inRefCon ); + // both, the input and output device use the same callback function + QMutexLocker locker ( &pSound->Mutex ); + if ( inDevice == pSound->CurrentAudioInputDeviceID ) { - // audio input callback, copy data first - memcpy ( &pSound->vecsTmpAudioSndCrdStereo[0], - inInputData->mBuffers[0].mData, - inInputData->mBuffers[0].mDataByteSize ); + // check size (float32 has four bytes) + if ( inInputData->mBuffers[0].mDataByteSize == + static_cast ( pSound->iCoreAudioBufferSizeStereo * 4 ) ) + { + // get a pointer to the input data of the correct type + Float32* pInData = static_cast ( inInputData->mBuffers[0].mData ); - // call processing callback function - pSound->ProcessCallback ( pSound->vecsTmpAudioSndCrdStereo ); + // copy input data + for ( int i = 0; i < pSound->iCoreAudioBufferSizeStereo; i++ ) + { + pSound->vecsTmpAudioSndCrdStereo[i] = + (short) ( pInData[i] * _MAXSHORT ); + } + + // call processing callback function + pSound->ProcessCallback ( pSound->vecsTmpAudioSndCrdStereo ); + } } else { - // audio output callback, simply copy data - memcpy ( outOutputData->mBuffers[0].mData, - &pSound->vecsTmpAudioSndCrdStereo[0], - outOutputData->mBuffers[0].mDataByteSize ); + // check size (float32 has four bytes) + if ( outOutputData->mBuffers[0].mDataByteSize == + static_cast ( pSound->iCoreAudioBufferSizeStereo * 4 ) ) + { + // get a pointer to the input data of the correct type + Float32* pOutData = static_cast ( outOutputData->mBuffers[0].mData ); + + // copy output data + for ( int i = 0; i < pSound->iCoreAudioBufferSizeStereo; i++ ) + { + pOutData[i] = (Float32) + pSound->vecsTmpAudioSndCrdStereo[i] / _MAXSHORT; + } + } } return kAudioHardwareNoError; } -*/ - - - - -OSStatus CSound::processInput ( void* inRefCon, - AudioUnitRenderActionFlags* ioActionFlags, - const AudioTimeStamp* inTimeStamp, - UInt32 inBusNumber, - UInt32 inNumberFrames, - AudioBufferList* ) -{ - CSound* pSound = static_cast ( inRefCon ); - - QMutexLocker locker ( &pSound->Mutex ); - - // get the new audio data - AudioUnitRender ( pSound->audioInputUnit, - ioActionFlags, - inTimeStamp, - inBusNumber, - inNumberFrames, - pSound->pBufferList ); - - // call processing callback function - pSound->ProcessCallback ( pSound->vecsTmpAudioSndCrdStereo ); - - return noErr; -} - -OSStatus CSound::processOutput ( void* inRefCon, - AudioUnitRenderActionFlags*, - const AudioTimeStamp*, - UInt32, - UInt32, - AudioBufferList* ioData ) -{ - CSound* pSound = static_cast ( inRefCon ); - - QMutexLocker locker ( &pSound->Mutex ); - - memcpy ( ioData->mBuffers[0].mData, - &pSound->vecsTmpAudioSndCrdStereo[0], - pSound->pBufferList->mBuffers[0].mDataByteSize ); - - return noErr; -} diff --git a/mac/sound.h b/mac/sound.h index e2e36ea9..b71b886e 100755 --- a/mac/sound.h +++ b/mac/sound.h @@ -25,11 +25,8 @@ #if !defined(_SOUND_H__9518A621345F78_363456876UZGSDF82CF549__INCLUDED_) #define _SOUND_H__9518A621345F78_363456876UZGSDF82CF549__INCLUDED_ -#include -#include -#include +#include #include -#include "util.h" #include "soundbase.h" #include "global.h" @@ -39,7 +36,6 @@ class CSound : public CSoundBase { public: CSound ( void (*fpNewProcessCallback) ( CVector& psData, void* arg ), void* arg ); - virtual ~CSound() { CloseCoreAudio(); } virtual int Init ( const int iNewPrefMonoBufferSize ); virtual void Start(); @@ -57,8 +53,6 @@ protected: QString CheckDeviceCapabilities ( const int iDriverIdx ); - void CloseCoreAudio(); - UInt32 SetBufferSize ( AudioDeviceID& audioDeviceID, const bool bIsInput, UInt32 iPrefBufferSize ); @@ -74,8 +68,6 @@ protected: const AudioObjectPropertyAddress* inAddresses, void* inRefCon ); -/* -// TEST static OSStatus callbackIO ( AudioDeviceID inDevice, const AudioTimeStamp*, const AudioBufferList* inInputData, @@ -83,35 +75,13 @@ protected: AudioBufferList* outOutputData, const AudioTimeStamp*, void* inRefCon ); -*/ - static OSStatus processInput ( void* inRefCon, - AudioUnitRenderActionFlags* ioActionFlags, - const AudioTimeStamp* inTimeStamp, - UInt32 inBusNumber, - UInt32 inNumberFrames, - AudioBufferList* ); + AudioDeviceID audioInputDevice[MAX_NUMBER_SOUND_CARDS]; + AudioDeviceID audioOutputDevice[MAX_NUMBER_SOUND_CARDS]; + AudioDeviceIOProcID audioInputProcID; + AudioDeviceIOProcID audioOutputProcID; - static OSStatus processOutput ( void* inRefCon, - AudioUnitRenderActionFlags*, - const AudioTimeStamp*, - UInt32, - UInt32, - AudioBufferList* ioData ); - - AudioStreamBasicDescription streamFormat; - - AURenderCallbackStruct inputCallbackStruct; - AURenderCallbackStruct outputCallbackStruct; - - ComponentInstance audioInputUnit; - AudioDeviceID audioInputDevice[MAX_NUMBER_SOUND_CARDS]; - ComponentInstance audioOutputUnit; - AudioDeviceID audioOutputDevice[MAX_NUMBER_SOUND_CARDS]; - - AudioBufferList* pBufferList; - - QMutex Mutex; + QMutex Mutex; }; #endif // !defined(_SOUND_H__9518A621345F78_363456876UZGSDF82CF549__INCLUDED_)