CAUOutputDevice *CCoreAudioGraph::CreateUnit(AEAudioFormat &format) { if (!m_audioUnit || !m_mixerUnit) return NULL; std::string formatString; AudioStreamBasicDescription inputFormat; AudioStreamBasicDescription outputFormat; OSStatus ret; int busNumber = GetFreeBus(); if (busNumber == INVALID_BUS) return NULL; // create output unit CAUOutputDevice *outputUnit = new CAUOutputDevice(); if (!outputUnit->Open(m_audioGraph, kAudioUnitType_FormatConverter, kAudioUnitSubType_AUConverter, kAudioUnitManufacturer_Apple)) goto error; m_audioUnit->GetFormatDesc(format, &inputFormat); // get the format frm the mixer if (!m_mixerUnit->GetFormat(&outputFormat, kAudioUnitScope_Input, kOutputBus)) goto error; if (!outputUnit->SetFormat(&outputFormat, kAudioUnitScope_Output, kOutputBus)) goto error; if (!outputUnit->SetFormat(&inputFormat, kAudioUnitScope_Input, kOutputBus)) goto error; ret = AUGraphConnectNodeInput(m_audioGraph, outputUnit->GetNode(), 0, m_mixerUnit->GetNode(), busNumber); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::CreateUnit: Error connecting outputUnit. Error = %s", GetError(ret).c_str()); goto error; } // TODO: setup mixmap, get free bus number for connection outputUnit->SetBus(busNumber); AUGraphUpdate(m_audioGraph, NULL); printf("Add unit\n\n"); ShowGraph(); printf("\n"); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Input Stream Format %s", StreamDescriptionToString(inputFormat, formatString)); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Output Stream Format %s", StreamDescriptionToString(outputFormat, formatString)); m_auUnitList.push_back(outputUnit); return outputUnit; error: delete outputUnit; return NULL; }
CAUOutputDevice *CCoreAudioGraph::CreateUnit(AEAudioFormat &format) { if (!m_audioUnit || !m_mixerUnit) return NULL; AudioStreamBasicDescription fmt = {0}; AudioStreamBasicDescription inputFormat = {0}; AudioStreamBasicDescription outputFormat = {0}; int busNumber = GetFreeBus(); if (busNumber == INVALID_BUS) return NULL; OSStatus ret; // create output unit CAUOutputDevice *outputUnit = new CAUOutputDevice(); if (!outputUnit->Open(m_audioGraph, kAudioUnitType_FormatConverter, kAudioUnitSubType_AUConverter, kAudioUnitManufacturer_Apple)) goto error; m_audioUnit->GetFormatDesc(format, &inputFormat, &fmt); // get the format frm the mixer if (!m_mixerUnit->GetFormat(&outputFormat, kAudioUnitScope_Input, kOutputBus)) goto error; if (!outputUnit->SetFormat(&inputFormat, kAudioUnitScope_Input, kOutputBus)) goto error; if (!outputUnit->SetFormat(&outputFormat, kAudioUnitScope_Output, kOutputBus)) goto error; ret = AUGraphConnectNodeInput(m_audioGraph, outputUnit->GetNode(), 0, m_mixerUnit->GetNode(), busNumber); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::CreateUnit: " "Error connecting outputUnit. Error = %s", GetError(ret).c_str()); goto error; } // TODO: setup mixmap, get free bus number for connection outputUnit->SetBus(busNumber); if (m_mixMap || m_mixMap->IsValid()) { UInt32 inputNumber = outputUnit->GetBus(); int channelOffset = GetMixerChannelOffset(inputNumber); CCoreAudioMixMap::SetMixingMatrix(m_mixerUnit, m_mixMap, &inputFormat, &fmt, channelOffset); } AUGraphUpdate(m_audioGraph, NULL); m_auUnitList.push_back(outputUnit); return outputUnit; error: delete outputUnit; return NULL; }
bool CCoreAudioGraph::Open(ICoreAudioSource *pSource, AEAudioFormat &format, bool allowMixing) { OSStatus ret; AudioStreamBasicDescription inputFormat; AudioStreamBasicDescription outputFormat; m_allowMixing = allowMixing; ret = NewAUGraph(&m_audioGraph); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error create audio grpah. Error = %s", GetError(ret).c_str()); return false; } ret = AUGraphOpen(m_audioGraph); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error open audio grpah. Error = %s", GetError(ret).c_str()); return false; } // get output unit if (m_audioUnit) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error audio unit already open. double call ?"); return false; } m_audioUnit = new CAUOutputDevice(); if (!m_audioUnit->Open(m_audioGraph, kAudioUnitType_Output, kAudioUnitSubType_RemoteIO, kAudioUnitManufacturer_Apple)) return false; if (!m_audioUnit->EnableInputOuput()) return false; m_audioUnit->GetFormatDesc(format, &inputFormat); //if(!allowMixing) //{ if (!m_audioUnit->SetFormat(&inputFormat, kAudioUnitScope_Input, kOutputBus)) return false; if (!m_audioUnit->SetFormat(&inputFormat, kAudioUnitScope_Output, kInputBus)) return false; //} if (allowMixing) { // get mixer unit if (m_mixerUnit) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error mixer unit already open. double call ?"); return false; } m_mixerUnit = new CAUMultiChannelMixer(); if (!m_mixerUnit->Open(m_audioGraph, kAudioUnitType_Mixer, kAudioUnitSubType_MultiChannelMixer, kAudioUnitManufacturer_Apple)) return false; // set number of input buses if (!m_mixerUnit->SetInputBusCount(MAX_CONNECTION_LIMIT)) return false; //if(!m_mixerUnit->SetFormat(&fmt, kAudioUnitScope_Output, kOutputBus)) // return false; m_mixerUnit->SetBus(0); if (!m_audioUnit->GetFormat(&outputFormat, kAudioUnitScope_Input, kOutputBus)) return false; /* if(!m_mixerUnit->SetInputBusFormat(MAX_CONNECTION_LIMIT, &outputFormat)) return false; */ ret = AUGraphConnectNodeInput(m_audioGraph, m_mixerUnit->GetNode(), 0, m_audioUnit->GetNode(), 0); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error connecting m_m_mixerNode. Error = %s", GetError(ret).c_str()); return false; } // get output unit if (m_inputUnit) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error mixer unit already open. double call ?"); return false; } m_inputUnit = new CAUOutputDevice(); if (!m_inputUnit->Open(m_audioGraph, kAudioUnitType_FormatConverter, kAudioUnitSubType_AUConverter, kAudioUnitManufacturer_Apple)) return false; if (!m_inputUnit->SetFormat(&inputFormat, kAudioUnitScope_Input, kOutputBus)) return false; /* if(!m_inputUnit->SetFormat(&outputFormat, kAudioUnitScope_Output, kOutputBus)) return false; */ // configure output unit int busNumber = GetFreeBus(); ret = AUGraphConnectNodeInput(m_audioGraph, m_inputUnit->GetNode(), 0, m_mixerUnit->GetNode(), busNumber); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error connecting m_converterNode. Error = %s", GetError(ret).c_str()); return false; } m_inputUnit->SetBus(busNumber); ret = AUGraphUpdate(m_audioGraph, NULL); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error update graph. Error = %s", GetError(ret).c_str()); return false; } ret = AUGraphInitialize(m_audioGraph); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error initialize graph. Error = %s", GetError(ret).c_str()); return false; } // Regenerate audio format and copy format for the Output AU } ret = AUGraphUpdate(m_audioGraph, NULL); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error update graph. Error = %s", GetError(ret).c_str()); return false; } std::string formatString; AudioStreamBasicDescription inputDesc_end, outputDesc_end; m_audioUnit->GetFormat(&inputDesc_end, kAudioUnitScope_Input, kOutputBus); m_audioUnit->GetFormat(&outputDesc_end, kAudioUnitScope_Output, kInputBus); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Input Stream Format %s", StreamDescriptionToString(inputDesc_end, formatString)); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Output Stream Format %s", StreamDescriptionToString(outputDesc_end, formatString)); if (m_mixerUnit) { m_mixerUnit->GetFormat(&inputDesc_end, kAudioUnitScope_Input, kOutputBus); m_mixerUnit->GetFormat(&outputDesc_end, kAudioUnitScope_Output, kOutputBus); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Input Stream Format %s", StreamDescriptionToString(inputDesc_end, formatString)); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Output Stream Format %s", StreamDescriptionToString(outputDesc_end, formatString)); } if (m_inputUnit) { m_inputUnit->GetFormat(&inputDesc_end, kAudioUnitScope_Input, kOutputBus); m_inputUnit->GetFormat(&outputDesc_end, kAudioUnitScope_Output, kOutputBus); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Input Stream Format %s", StreamDescriptionToString(inputDesc_end, formatString)); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Output Stream Format %s", StreamDescriptionToString(outputDesc_end, formatString)); } ret = AUGraphInitialize(m_audioGraph); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error initialize graph. Error = %s", GetError(ret).c_str()); return false; } UInt32 bufferFrames = m_audioUnit->GetBufferFrameSize(); m_audioUnit->SetMaxFramesPerSlice(bufferFrames); if (m_inputUnit) m_inputUnit->SetMaxFramesPerSlice(bufferFrames); SetInputSource(pSource); ShowGraph(); return Start(); }
bool CCoreAudioGraph::Open(ICoreAudioSource *pSource, AEAudioFormat &format, AudioDeviceID deviceId, bool allowMixing, AudioChannelLayoutTag layoutTag) { AudioStreamBasicDescription fmt = {0}; AudioStreamBasicDescription inputFormat = {0}; AudioStreamBasicDescription outputFormat = {0}; m_deviceId = deviceId; m_allowMixing = allowMixing; OSStatus ret = NewAUGraph(&m_audioGraph); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error create audio grpah. Error = %s", GetError(ret).c_str()); return false; } ret = AUGraphOpen(m_audioGraph); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error open audio grpah. Error = %s", GetError(ret).c_str()); return false; } // get output unit if (m_audioUnit) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error audio unit already open. double call ?"); return false; } m_audioUnit = new CAUOutputDevice(); if (!m_audioUnit->Open(m_audioGraph, kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple)) return false; m_audioUnit->SetBus(GetFreeBus()); m_audioUnit->GetFormatDesc(format, &inputFormat, &fmt); if (!m_audioUnit->EnableInputOuput()) return false; if (!m_audioUnit->SetCurrentDevice(deviceId)) return false; if (allowMixing) { delete m_mixMap; m_mixMap = CCoreAudioMixMap::CreateMixMap(m_audioUnit, format, layoutTag); if (m_mixMap || m_mixMap->IsValid()) { // maximum input channel ber input bus //fmt.mChannelsPerFrame = MAXIMUM_MIXER_CHANNELS; // get output unit if (m_inputUnit) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error mixer unit already open. double call ?"); return false; } m_inputUnit = new CAUOutputDevice(); if (!m_inputUnit->Open(m_audioGraph, kAudioUnitType_FormatConverter, kAudioUnitSubType_AUConverter, kAudioUnitManufacturer_Apple)) return false; if (!m_inputUnit->SetFormat(&inputFormat, kAudioUnitScope_Input, kOutputBus)) return false; if (!m_inputUnit->SetFormat(&fmt, kAudioUnitScope_Output, kOutputBus)) return false; // get mixer unit if (m_mixerUnit) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: Error mixer unit already open. double call ?"); return false; } m_mixerUnit = new CAUMatrixMixer(); if (!m_mixerUnit->Open(m_audioGraph, kAudioUnitType_Mixer, kAudioUnitSubType_MatrixMixer, kAudioUnitManufacturer_Apple)) return false; // set number of input buses if (!m_mixerUnit->SetInputBusCount(MAX_CONNECTION_LIMIT)) return false; // set number of output buses if (!m_mixerUnit->SetOutputBusCount(1)) return false; if (!m_mixerUnit->SetInputBusFormat(MAX_CONNECTION_LIMIT, &fmt)) return false; if (!m_mixerUnit->SetFormat(&fmt, kAudioUnitScope_Output, kOutputBus)) return false; ret = AUGraphConnectNodeInput(m_audioGraph, m_mixerUnit->GetNode(), 0, m_audioUnit->GetNode(), 0); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error connecting m_m_mixerNode. Error = %s", GetError(ret).c_str()); return false; } m_mixerUnit->SetBus(0); // configure output unit int busNumber = GetFreeBus(); ret = AUGraphConnectNodeInput(m_audioGraph, m_inputUnit->GetNode(), 0, m_mixerUnit->GetNode(), busNumber); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error connecting m_converterNode. Error = %s", GetError(ret).c_str()); return false; } m_inputUnit->SetBus(busNumber); ret = AUGraphUpdate(m_audioGraph, NULL); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error update graph. Error = %s", GetError(ret).c_str()); return false; } ret = AUGraphInitialize(m_audioGraph); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error initialize graph. Error = %s", GetError(ret).c_str()); return false; } // Update format structure to reflect the desired format from the mixer // The output format of the mixer is identical to the input format, except for the channel count fmt.mChannelsPerFrame = m_mixMap->GetOutputChannels(); UInt32 inputNumber = m_inputUnit->GetBus(); int channelOffset = GetMixerChannelOffset(inputNumber); if (!CCoreAudioMixMap::SetMixingMatrix(m_mixerUnit, m_mixMap, &inputFormat, &fmt, channelOffset)) return false; // Regenerate audio format and copy format for the Output AU outputFormat = fmt; } else { outputFormat = inputFormat; } } else { outputFormat = inputFormat; } if (!m_audioUnit->SetFormat(&outputFormat, kAudioUnitScope_Input, kOutputBus)) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error setting input format on audio device. Channel count %d, set it to %d", (int)outputFormat.mChannelsPerFrame, format.m_channelLayout.Count()); outputFormat.mChannelsPerFrame = format.m_channelLayout.Count(); if (!m_audioUnit->SetFormat(&outputFormat, kAudioUnitScope_Input, kOutputBus)) return false; } std::string formatString; // asume we are in dd-wave mode if (!m_inputUnit) { if (!m_audioUnit->SetFormat(&inputFormat, kAudioUnitScope_Output, kInputBus)) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error setting Device Output Stream Format %s", StreamDescriptionToString(inputFormat, formatString)); } } ret = AUGraphUpdate(m_audioGraph, NULL); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error update graph. Error = %s", GetError(ret).c_str()); return false; } AudioStreamBasicDescription inputDesc_end, outputDesc_end; m_audioUnit->GetFormat(&inputDesc_end, kAudioUnitScope_Input, kOutputBus); m_audioUnit->GetFormat(&outputDesc_end, kAudioUnitScope_Output, kInputBus); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Input Stream Format %s", StreamDescriptionToString(inputDesc_end, formatString)); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Output Stream Format %s", StreamDescriptionToString(outputDesc_end, formatString)); if (m_mixerUnit) { m_mixerUnit->GetFormat(&inputDesc_end, kAudioUnitScope_Input, kOutputBus); m_mixerUnit->GetFormat(&outputDesc_end, kAudioUnitScope_Output, kOutputBus); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Input Stream Format %s", StreamDescriptionToString(inputDesc_end, formatString)); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Output Stream Format %s", StreamDescriptionToString(outputDesc_end, formatString)); } if (m_inputUnit) { m_inputUnit->GetFormat(&inputDesc_end, kAudioUnitScope_Input, kOutputBus); m_inputUnit->GetFormat(&outputDesc_end, kAudioUnitScope_Output, kOutputBus); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Input Stream Format %s", StreamDescriptionToString(inputDesc_end, formatString)); CLog::Log(LOGINFO, "CCoreAudioGraph::Open: Output Stream Format %s", StreamDescriptionToString(outputDesc_end, formatString)); } ret = AUGraphInitialize(m_audioGraph); if (ret) { CLog::Log(LOGERROR, "CCoreAudioGraph::Open: " "Error initialize graph. Error = %s", GetError(ret).c_str()); return false; } UInt32 bufferFrames = m_audioUnit->GetBufferFrameSize(); if (!m_audioUnit->SetMaxFramesPerSlice(bufferFrames)) return false; SetInputSource(pSource); return Start(); }