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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2009 Grigor Iliev * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#include "CAAudioDeviceModel.h" |
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|
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#include <iostream> |
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#include "../../common/Exception.h" |
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#include "../../common/global_private.h" |
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|
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namespace LinuxSampler { |
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|
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CAAudioDeviceModel::CAAudioDeviceModel(AudioDeviceID Id) { |
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this->Id = Id; |
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ChannelNumber = 2; |
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DefaultSamplerate = 44100; |
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|
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charBufSize = 512; |
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charBuf = new char[charBufSize]; |
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|
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Init(); |
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} |
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|
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CAAudioDeviceModel::CAAudioDeviceModel(const CAAudioDeviceModel& m) : Uid(m.Uid), |
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Name(m.Name), NominalSamplerates(m.NominalSamplerates), AudioStreams(m.AudioStreams) { |
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|
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Id = m.Id; |
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ChannelNumber = m.ChannelNumber; |
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DefaultSamplerate = m.DefaultSamplerate; |
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|
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charBufSize = 512; |
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charBuf = new char[charBufSize]; |
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|
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Init(); |
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} |
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|
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CAAudioDeviceModel::~CAAudioDeviceModel() { |
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CAAudioDeviceListModel::GetModel()->RemoveListener(this); |
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delete [] charBuf; |
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} |
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|
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CAAudioDeviceModel& CAAudioDeviceModel::operator=(const CAAudioDeviceModel& m) { |
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Id = m.Id; |
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Uid = m.Uid; |
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Name = m.Name; |
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ChannelNumber = m.ChannelNumber; |
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DefaultSamplerate = m.DefaultSamplerate; |
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NominalSamplerates = m.NominalSamplerates; |
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AudioStreams = m.AudioStreams; |
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|
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return *this; |
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} |
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|
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void CAAudioDeviceModel::Init() { |
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CAAudioDeviceListModel::GetModel()->AddListener(this); |
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} |
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|
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void CAAudioDeviceModel::DeviceChanged(AudioDeviceID devID) { |
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if(GetID() == devID) FireDeviceChangedEvent(); |
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} |
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|
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void CAAudioDeviceModel::FireDeviceChangedEvent() { |
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for(int i = 0; i < GetListenerCount(); i++) { |
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GetListener(i)->DeviceChanged(); |
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} |
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} |
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|
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AudioDeviceID CAAudioDeviceModel::GetID() { return Id; } |
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|
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std::string CAAudioDeviceModel::GetUID() { return Uid; } |
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|
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void CAAudioDeviceModel::SetUID(CFStringRef s) { |
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Uid = GetStr(s); |
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} |
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|
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std::string CAAudioDeviceModel::GetName() { return Name; } |
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|
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void CAAudioDeviceModel::SetName(CFStringRef s) { |
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Name = GetStr(s); |
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} |
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|
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int CAAudioDeviceModel::GetChannelNumber() { return ChannelNumber; } |
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|
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int CAAudioDeviceModel::GetDefaultSamplerate() { return DefaultSamplerate; } |
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|
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const std::vector<int> CAAudioDeviceModel::GetNominalSamplerates() { |
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return NominalSamplerates; |
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} |
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|
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std::vector<CAAudioStream> CAAudioDeviceModel::GetAudioStreams() { |
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return AudioStreams; |
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} |
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|
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std::string CAAudioDeviceModel::GetStr(CFStringRef s) { |
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if(s == NULL) return std::string("Undefined"); |
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|
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CFRetain(s); |
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CFIndex len = CFStringGetLength(s) + 1; |
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if(charBufSize < len) { |
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delete [] charBuf; |
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charBufSize *= 2; |
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if(charBufSize < len) charBufSize = len; |
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charBuf = new char[charBufSize]; |
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} |
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|
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std::string s2; |
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if(CFStringGetCString(s, charBuf, charBufSize, kCFStringEncodingASCII)) { |
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s2 = charBuf; |
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} |
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CFRelease(s); |
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|
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return s2; |
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} |
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|
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////////////////////////////////////////////////////////////////// |
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//// |
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|
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CAAudioDeviceListModel* CAAudioDeviceListModel::pModel = NULL; |
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|
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CAAudioDeviceListModel* CAAudioDeviceListModel::GetModel() { |
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if(pModel == NULL) { |
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pModel = new CAAudioDeviceListModel(); |
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pModel->RescanDevices(); |
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pModel->InstallListeners(); |
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} |
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return pModel; |
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} |
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|
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OSStatus CAAudioDeviceListModel::AudioHardwarePropertyListenerCallback ( |
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AudioHardwarePropertyID inPropertyID, void* inClientData |
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) { |
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CAAudioDeviceListModel* model = CAAudioDeviceListModel::GetModel(); |
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switch(inPropertyID) { |
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case kAudioHardwarePropertyDevices: |
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model->RescanDevices(); |
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break; |
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case kAudioHardwarePropertyDefaultOutputDevice: |
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model->UpdateDefaultOutputDevice(); |
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model->FireDefaultOutputDeviceChangedEvent(model->GetDefaultOutputDeviceID()); |
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break; |
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} |
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return noErr; |
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} |
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|
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OSStatus CAAudioDeviceListModel::AudioDevicePropertyListenerCallback ( |
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AudioDeviceID inDevice, |
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UInt32 inChannel, |
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Boolean isInput, |
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AudioDevicePropertyID inPropertyID, |
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void* inClientData |
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) { |
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CAAudioDeviceListModel* model = CAAudioDeviceListModel::GetModel(); |
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|
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switch(inPropertyID) { |
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case kAudioDevicePropertyDeviceHasChanged: |
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model->FireDeviceChangedEvent(inDevice); |
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break; |
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} |
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|
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return noErr; |
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} |
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|
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CAAudioDeviceListModel::CAAudioDeviceListModel() { |
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DefaultOutputDeviceID = 0; |
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} |
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|
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CAAudioDeviceListModel::~CAAudioDeviceListModel() { |
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UninstallListeners(); |
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} |
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|
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void CAAudioDeviceListModel::InstallListeners() { |
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InstallHardwareListeners(); |
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InstallDeviceListeners(); |
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} |
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|
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void CAAudioDeviceListModel::UninstallListeners() { |
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UninstallHardwareListeners(); |
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UninstallDeviceListeners(); |
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} |
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|
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void CAAudioDeviceListModel::InstallHardwareListeners() { |
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// Notify when device is added or removed |
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InstallHardwareListener(kAudioHardwarePropertyDevices); |
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//Notify when the default audio output device is changed |
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InstallHardwareListener(kAudioHardwarePropertyDefaultOutputDevice); |
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} |
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|
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void CAAudioDeviceListModel::UninstallHardwareListeners() { |
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UninstallHardwareListener(kAudioHardwarePropertyDevices); |
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UninstallHardwareListener(kAudioHardwarePropertyDefaultOutputDevice); |
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} |
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|
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void CAAudioDeviceListModel::InstallHardwareListener(AudioHardwarePropertyID id) { |
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AudioHardwareAddPropertyListener ( |
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id, AudioHardwarePropertyListenerCallback, NULL |
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); |
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} |
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|
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void CAAudioDeviceListModel::UninstallHardwareListener(AudioHardwarePropertyID id) { |
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AudioHardwareRemovePropertyListener ( |
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id, AudioHardwarePropertyListenerCallback |
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); |
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} |
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|
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void CAAudioDeviceListModel::InstallDeviceListeners() { |
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InstallDeviceListener(kAudioDevicePropertyDeviceHasChanged); |
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} |
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|
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void CAAudioDeviceListModel::UninstallDeviceListeners() { |
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UninstallDeviceListener(kAudioDevicePropertyDeviceHasChanged); |
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} |
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|
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void CAAudioDeviceListModel::InstallDeviceListener(AudioDevicePropertyID id) { |
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for(int i = 0; i < GetModel()->GetOutputDeviceCount(); i++) { |
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AudioDeviceAddPropertyListener ( |
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GetModel()->GetOutputDevice(i).GetID(), 0, false, |
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id, AudioDevicePropertyListenerCallback, NULL |
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); |
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} |
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} |
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|
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void CAAudioDeviceListModel::UninstallDeviceListener(AudioDevicePropertyID id) { |
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for(int i = 0; i < GetModel()->GetOutputDeviceCount(); i++) { |
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AudioDeviceRemovePropertyListener ( |
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GetModel()->GetOutputDevice(i).GetID(), 0, false, |
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id, AudioDevicePropertyListenerCallback |
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); |
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} |
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} |
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|
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void CAAudioDeviceListModel::FireDeviceChangedEvent(AudioDeviceID devID) { |
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DeviceMutex.Lock(); |
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for(int i = 0; i < GetListenerCount(); i++) { |
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GetListener(i)->DeviceChanged(devID); |
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} |
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DeviceMutex.Unlock(); |
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} |
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|
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void CAAudioDeviceListModel::FireDeviceListChangedEvent() { |
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DeviceMutex.Lock(); |
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for(int i = 0; i < GetListenerCount(); i++) { |
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GetListener(i)->DeviceListChanged(); |
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} |
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DeviceMutex.Unlock(); |
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} |
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|
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void CAAudioDeviceListModel::FireDefaultOutputDeviceChangedEvent(AudioDeviceID newID) { |
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DeviceMutex.Lock(); |
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for(int i = 0; i < GetListenerCount(); i++) { |
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GetListener(i)->DefaultOutputDeviceChanged(newID); |
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} |
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DeviceMutex.Unlock(); |
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} |
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|
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AudioDeviceID CAAudioDeviceListModel::GetDefaultOutputDeviceID() { |
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return DefaultOutputDeviceID; |
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} |
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|
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UInt32 CAAudioDeviceListModel::GetOutputDeviceCount() { |
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DeviceMutex.Lock(); |
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int size = outDevices.size(); |
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DeviceMutex.Unlock(); |
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return size; |
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} |
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|
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CAAudioDeviceModel CAAudioDeviceListModel::GetOutputDevice(UInt32 Index) { |
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DeviceMutex.Lock(); |
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if(Index < 0 || Index >= GetOutputDeviceCount()) { |
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DeviceMutex.Unlock(); |
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throw Exception("Device index out of bounds"); |
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} |
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|
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CAAudioDeviceModel dev = outDevices[Index]; |
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DeviceMutex.Unlock(); |
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return dev; |
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} |
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|
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CAAudioDeviceModel CAAudioDeviceListModel::GetOutputDeviceByID(AudioDeviceID devID) { |
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DeviceMutex.Lock(); |
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for(int i = 0; i < outDevices.size(); i++) { |
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if(outDevices[i].GetID() == devID) { |
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CAAudioDeviceModel dev = outDevices[i]; |
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DeviceMutex.Unlock(); |
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return dev; |
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} |
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} |
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DeviceMutex.Unlock(); |
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throw Exception("Unknown audio device ID: " + ToString(devID)); |
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} |
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|
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UInt32 CAAudioDeviceListModel::GetOutputDeviceIndex(AudioDeviceID devID) { |
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DeviceMutex.Lock(); |
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for(UInt32 i = 0; i < outDevices.size(); i++) { |
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if(outDevices[i].GetID() == devID) { |
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DeviceMutex.Unlock(); |
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return i; |
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} |
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} |
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DeviceMutex.Unlock(); |
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throw Exception("Unknown audio device ID: " + ToString(devID)); |
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} |
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|
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void CAAudioDeviceListModel::RescanDevices() { |
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DeviceMutex.Lock(); |
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inDevices.clear(); |
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outDevices.clear(); |
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|
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UInt32 outSize; |
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Boolean outWritable; |
328 |
|
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UpdateDefaultOutputDevice(); |
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|
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OSStatus res = AudioHardwareGetPropertyInfo ( |
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kAudioHardwarePropertyDevices, &outSize, &outWritable |
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); |
334 |
|
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if(res) { |
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std::cerr << "Failed to get device list: " << res << std::endl; |
337 |
DeviceMutex.Unlock(); |
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return; |
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} |
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|
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UInt32 deviceNumber = outSize / sizeof(AudioDeviceID); |
342 |
if(deviceNumber < 1) { |
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std::cerr << "No audio devices found" << std::endl; |
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DeviceMutex.Unlock(); |
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return; |
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} |
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|
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if(deviceNumber * sizeof(AudioDeviceID) != outSize) { |
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std::cerr << "Invalid device size. This is a bug!" << std::endl; |
350 |
DeviceMutex.Unlock(); |
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return; |
352 |
} |
353 |
|
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AudioDeviceID* devs = new AudioDeviceID[deviceNumber]; |
355 |
|
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res = AudioHardwareGetProperty ( |
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kAudioHardwarePropertyDevices, &outSize, devs |
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); |
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|
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if(res) { |
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std::cerr << "Failed to get device IDs: " << res << std::endl; |
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delete [] devs; |
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DeviceMutex.Unlock(); |
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return; |
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} |
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|
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for(int i = 0; i < deviceNumber; i++) { |
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// TODO: for now skip devices which are not alive |
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outSize = sizeof(UInt32); |
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UInt32 isAlive = 0; |
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|
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res = AudioDeviceGetProperty ( |
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devs[i], 0, false, |
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kAudioDevicePropertyDeviceIsAlive, |
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&outSize, &isAlive |
376 |
); |
377 |
|
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if(res || !isAlive) continue; |
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/////// |
380 |
|
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CAAudioDeviceModel dev(devs[i]); |
382 |
|
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CFStringRef tempStringRef = NULL; |
384 |
|
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// Get the name of the device |
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outSize = sizeof(CFStringRef); |
387 |
|
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res = AudioDeviceGetProperty ( |
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devs[i], 0, false, |
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kAudioObjectPropertyName, |
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&outSize, &tempStringRef |
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); |
393 |
|
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dev.SetName(tempStringRef); |
395 |
if(tempStringRef != NULL) CFRelease(tempStringRef); |
396 |
/////// |
397 |
|
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// Get the name of the device |
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outSize = sizeof(CFStringRef); |
400 |
|
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res = AudioDeviceGetProperty ( |
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devs[i], 0, false, |
403 |
kAudioDevicePropertyDeviceUID, |
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&outSize, &tempStringRef |
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); |
406 |
|
407 |
dev.SetUID(tempStringRef); |
408 |
if(tempStringRef != NULL) CFRelease(tempStringRef); |
409 |
/////// |
410 |
|
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GetChannels(&dev); |
412 |
GetSamplerates(&dev); |
413 |
if(dev.GetChannelNumber() > 0) outDevices.push_back(dev); |
414 |
} |
415 |
|
416 |
delete [] devs; |
417 |
FireDeviceListChangedEvent(); |
418 |
|
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/*for(int i = 0; i < GetOutputDeviceCount(); i++) { |
420 |
std::cout << "Device ID: " << GetOutputDevice(i).GetID() << std::endl; |
421 |
std::cout << "Device name: " << GetOutputDevice(i).GetName() << std::endl; |
422 |
std::cout << "Device UID: " << GetOutputDevice(i).GetUID() << std::endl; |
423 |
std::cout << "Channels: " << GetOutputDevice(i).GetChannelNumber() << std::endl; |
424 |
std::cout << "Default samplerate: " << GetOutputDevice(i).GetDefaultSamplerate() << std::endl; |
425 |
|
426 |
const std::vector<int> rates = GetOutputDevice(i).GetNominalSamplerates(); |
427 |
std::cout << "Nominal samplerates: " << std::endl; |
428 |
for(int j = 0; j < rates.size(); j++) { |
429 |
std::cout << "\t" << rates[j] << std::endl; |
430 |
} |
431 |
std::cout << std::endl; |
432 |
}*/ |
433 |
DeviceMutex.Unlock(); |
434 |
} |
435 |
|
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void CAAudioDeviceListModel::UpdateDefaultOutputDevice() { |
437 |
AudioDeviceID id; |
438 |
UInt32 size = sizeof(AudioDeviceID); |
439 |
OSStatus res = AudioHardwareGetProperty ( |
440 |
kAudioHardwarePropertyDefaultOutputDevice, &size, &id |
441 |
); |
442 |
if(res) std::cerr << "Failed to get default output device: " << res << std::endl; |
443 |
else DefaultOutputDeviceID = id; |
444 |
} |
445 |
|
446 |
void CAAudioDeviceListModel::GetChannels(CAAudioDeviceModel* pDev) { |
447 |
UInt32 outSize; |
448 |
bool isInput = false; |
449 |
|
450 |
OSStatus res = AudioDeviceGetPropertyInfo ( |
451 |
pDev->GetID(), 0, isInput, |
452 |
kAudioDevicePropertyStreamConfiguration, |
453 |
&outSize, NULL |
454 |
); |
455 |
if(res || outSize == 0) { |
456 |
if(res) std::cerr << "Failed to get stream config: " << res << std::endl; |
457 |
return; |
458 |
} |
459 |
|
460 |
AudioBufferList* pBufferList = NULL; |
461 |
pBufferList = (AudioBufferList*)malloc(outSize); |
462 |
if(pBufferList == NULL) { |
463 |
perror(NULL); |
464 |
return; |
465 |
} |
466 |
|
467 |
res = AudioDeviceGetProperty ( |
468 |
pDev->GetID(), 0, isInput, |
469 |
kAudioDevicePropertyStreamConfiguration, |
470 |
&outSize, pBufferList |
471 |
); |
472 |
|
473 |
if(res = noErr) { |
474 |
std::cerr << "Failed to get channel number: " << res << std::endl; |
475 |
free(pBufferList); |
476 |
return; |
477 |
} |
478 |
|
479 |
UInt32 chns = 0; |
480 |
for(int i = 0; i < pBufferList->mNumberBuffers; i++) { |
481 |
chns += pBufferList->mBuffers[i].mNumberChannels; |
482 |
} |
483 |
|
484 |
pDev->ChannelNumber = chns; |
485 |
|
486 |
free(pBufferList); |
487 |
} |
488 |
|
489 |
/*void CAAudioDeviceListModel::GetStreams(CAAudioDeviceModel* pDev) { |
490 |
UInt32 outSize = sizeof(AudioStreamID); |
491 |
|
492 |
OSStatus res = AudioDeviceGetPropertyInfo ( |
493 |
pDev->GetID(), 0, false, |
494 |
kAudioDevicePropertyStreams, |
495 |
&outSize, NULL |
496 |
); |
497 |
|
498 |
if(res) { |
499 |
std::cerr << "Failed to get device streams: " << res << std::endl; |
500 |
return; |
501 |
} |
502 |
|
503 |
UInt32 streamNumber = outSize / sizeof(AudioStreamID); |
504 |
if(streamNumber < 1) { |
505 |
std::cerr << "No streams found" << std::endl; |
506 |
return; |
507 |
} |
508 |
|
509 |
if(streamNumber * sizeof(AudioStreamID) != outSize) { |
510 |
std::cerr << "Invalid AudioStreamID size. This is a bug!" << std::endl; |
511 |
return; |
512 |
} |
513 |
|
514 |
AudioStreamID* streams = new AudioStreamID[streamNumber]; |
515 |
|
516 |
res = AudioDeviceGetProperty ( |
517 |
pDev->GetID(), 0, false, |
518 |
kAudioDevicePropertyStreams, |
519 |
&outSize, streams |
520 |
); |
521 |
|
522 |
if(res) { |
523 |
std::cerr << "Failed to get stream IDs: " << res << std::endl; |
524 |
delete [] streams; |
525 |
return; |
526 |
} |
527 |
|
528 |
for(int i = 0; i < streamNumber; i++) { |
529 |
UInt32 inStream; |
530 |
|
531 |
res = AudioStreamGetProperty ( |
532 |
streams[i], 0, kAudioStreamPropertyDirection, &outSize, &inStream |
533 |
); |
534 |
|
535 |
if(res) { |
536 |
std::cerr << "Failed to get stream direction: " << res << std::endl; |
537 |
continue; |
538 |
} |
539 |
|
540 |
//pDev->AudioStreams.push_back(CAAudioStream(inStream, chns)); |
541 |
} |
542 |
|
543 |
delete [] streams; |
544 |
}*/ |
545 |
|
546 |
void CAAudioDeviceListModel::GetSamplerates(CAAudioDeviceModel* pDev) { |
547 |
UInt32 outSize; |
548 |
|
549 |
// Get current nominal sample rate |
550 |
outSize = sizeof(Float64); |
551 |
Float64 srate; |
552 |
|
553 |
OSStatus res = AudioDeviceGetProperty ( |
554 |
pDev->GetID(), 0, false, |
555 |
kAudioDevicePropertyNominalSampleRate, |
556 |
&outSize, &srate |
557 |
); |
558 |
|
559 |
if(res) std::cerr << "Failed to get default samplerate: " << res << std::endl; |
560 |
else pDev->DefaultSamplerate = srate; |
561 |
/////// |
562 |
|
563 |
res = AudioDeviceGetPropertyInfo ( |
564 |
pDev->GetID(), 0, false, |
565 |
kAudioDevicePropertyAvailableNominalSampleRates, |
566 |
&outSize, NULL |
567 |
); |
568 |
|
569 |
if(res) { |
570 |
std::cerr << "Failed to get nominal samplerates: " << res << std::endl; |
571 |
return; |
572 |
} |
573 |
|
574 |
UInt32 rangeNumber = outSize / sizeof(AudioValueRange); |
575 |
if(rangeNumber < 1) { |
576 |
std::cerr << "No nominal samplerates found" << std::endl; |
577 |
return; |
578 |
} |
579 |
|
580 |
if(rangeNumber * sizeof(AudioValueRange) != outSize) { |
581 |
std::cerr << "Invalid AudioValueRange size. This is a bug!" << std::endl; |
582 |
return; |
583 |
} |
584 |
|
585 |
AudioValueRange* ranges = new AudioValueRange[rangeNumber]; |
586 |
|
587 |
res = AudioDeviceGetProperty ( |
588 |
pDev->GetID(), 0, false, |
589 |
kAudioDevicePropertyAvailableNominalSampleRates, |
590 |
&outSize, ranges |
591 |
); |
592 |
|
593 |
if(res) { |
594 |
std::cerr << "Failed to get samplerate ranges: " << res << std::endl; |
595 |
delete [] ranges; |
596 |
return; |
597 |
} |
598 |
|
599 |
for(int i = 0; i < rangeNumber; i++) { |
600 |
// FIXME: might be ranges of valid samplerates |
601 |
UInt32 min = (UInt32)ranges[i].mMinimum; |
602 |
UInt32 max = (UInt32)ranges[i].mMaximum; |
603 |
pDev->NominalSamplerates.push_back(min); |
604 |
if(min != max) pDev->NominalSamplerates.push_back(max); |
605 |
} |
606 |
|
607 |
delete [] ranges; |
608 |
} |
609 |
} // namespace LinuxSampler |