--- linuxsampler/trunk/src/Sampler.cpp 2005/02/26 02:01:14 411 +++ linuxsampler/trunk/src/Sampler.cpp 2012/10/04 17:45:22 2375 @@ -3,20 +3,20 @@ * LinuxSampler - modular, streaming capable sampler * * * * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * - * Copyright (C) 2005 Christian Schoenebeck * + * Copyright (C) 2005 - 2012 Christian Schoenebeck * * * - * This program is free software; you can redistribute it and/or modify * + * This library is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * - * This program is distributed in the hope that it will be useful, * + * This library is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the Free Software * + * along with this library; if not, write to the Free Software * * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * * MA 02111-1307 USA * ***************************************************************************/ @@ -25,9 +25,14 @@ #include "Sampler.h" +#include "common/global_private.h" +#include "engines/EngineFactory.h" #include "engines/EngineChannelFactory.h" +#include "plugins/InstrumentEditorFactory.h" #include "drivers/audio/AudioOutputDeviceFactory.h" #include "drivers/midi/MidiInputDeviceFactory.h" +#include "drivers/midi/MidiInstrumentMapper.h" +#include "common/Features.h" #include "network/lscpserver.h" namespace LinuxSampler { @@ -38,93 +43,165 @@ SamplerChannel::SamplerChannel(Sampler* pS) { pSampler = pS; pEngineChannel = NULL; - pMidiInputDevice = NULL; pAudioOutputDevice = NULL; - midiPort = 0; - midiChannel = MidiInputPort::midi_chan_all; + pMidiInputDevice = NULL; + iMidiPort = 0; + midiChannel = midi_chan_all; iIndex = -1; } SamplerChannel::~SamplerChannel() { if (pEngineChannel) { - MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort); + Engine* engine = pEngineChannel->GetEngine(); + if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); + + MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel()); if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel); - if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(pEngineChannel); - delete pEngineChannel; + if (pEngineChannel) { + if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); + EngineChannelFactory::Destroy(pEngineChannel); + + // reconnect engine if it still exists + const std::set& engines = EngineFactory::EngineInstances(); + if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); + } } } - void SamplerChannel::SetEngineType(String EngineType) throw (LinuxSamplerException) { + void SamplerChannel::SetEngineType(String EngineType) throw (Exception) { dmsg(2,("SamplerChannel: Assigning engine type...")); + if (pEngineChannel) { + if (!strcasecmp(pEngineChannel->EngineName().c_str(), EngineType.c_str())) { + dmsg(2,("OK\n")); + return; + } + } + + fireEngineToBeChanged(); + // create new engine channel EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType); - if (!pNewEngineChannel) throw LinuxSamplerException("Unknown engine type"); + if (!pNewEngineChannel) throw Exception("Unknown engine type"); + + pNewEngineChannel->SetSamplerChannel(this); // dereference midi input port. - MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort); - // disconnect old engine + MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); + midi_chan_t midiChannel = GetMidiInputChannel(); + // disconnect old engine channel if (pEngineChannel) { + Engine* engine = pEngineChannel->GetEngine(); + if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); + if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel); - if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(pEngineChannel); - delete pEngineChannel; + if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); + EngineChannelFactory::Destroy(pEngineChannel); + + // reconnect engine if it still exists + const std::set& engines = EngineFactory::EngineInstances(); + if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); } // connect new engine channel + if (pAudioOutputDevice) { + pNewEngineChannel->Connect(pAudioOutputDevice); + pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine()); + } + if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, midiChannel); pEngineChannel = pNewEngineChannel; - if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, this->midiChannel); - if (pAudioOutputDevice) pAudioOutputDevice->Connect(pNewEngineChannel); + + // from now on get MIDI device and port from EngineChannel object + this->pMidiInputDevice = NULL; + this->iMidiPort = 0; + + pEngineChannel->StatusChanged(true); + fireEngineChanged(); dmsg(2,("OK\n")); } - void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) { + void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception) { + if(pAudioOutputDevice == pDevice) return; + // disconnect old device - if (pAudioOutputDevice && pEngineChannel) pAudioOutputDevice->Disconnect(pEngineChannel); + if (pAudioOutputDevice && pEngineChannel) { + if (!pAudioOutputDevice->isAutonomousDevice()) + throw Exception("The audio output device '" + pAudioOutputDevice->Driver() + "' cannot be dropped from this sampler channel!"); + + Engine* engine = pEngineChannel->GetEngine(); + pAudioOutputDevice->Disconnect(engine); + + pEngineChannel->DisconnectAudioOutputDevice(); + + // reconnect engine if it still exists + const std::set& engines = EngineFactory::EngineInstances(); + if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); + } + // connect new device pAudioOutputDevice = pDevice; - if (pEngineChannel) pAudioOutputDevice->Connect(pEngineChannel); + if (pEngineChannel) { + pEngineChannel->Connect(pAudioOutputDevice); + pAudioOutputDevice->Connect(pEngineChannel->GetEngine()); + } } - void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) { - SetMidiInput(pDevice, this->midiPort, this->midiChannel); + void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) { + SetMidiInput(pDevice, 0, GetMidiInputChannel()); } - void SamplerChannel::SetMidiInputPort(int MidiPort) { - SetMidiInput(pMidiInputDevice, MidiPort, this->midiChannel); + void SamplerChannel::SetMidiInputPort(int MidiPort) throw (Exception) { + SetMidiInput(GetMidiInputDevice(), MidiPort, GetMidiInputChannel()); } - void SamplerChannel::SetMidiInputChannel(MidiInputPort::midi_chan_t MidiChannel) { - SetMidiInput(pMidiInputDevice, this->midiPort, MidiChannel); + void SamplerChannel::SetMidiInputChannel(midi_chan_t MidiChannel) { + SetMidiInput(GetMidiInputDevice(), GetMidiInputPort(), MidiChannel); } - void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, MidiInputPort::midi_chan_t MidiChannel) { - // dereference old midi input port. - MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort); + void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) throw (Exception) { + if (!pDevice) throw Exception("No MIDI input device assigned."); + + // get old and new midi input port + MidiInputPort* pOldMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); + MidiInputPort* pNewMidiInputPort = pDevice->GetPort(iMidiPort); + // disconnect old device port - if (pMidiInputPort && pEngineChannel) pMidiInputPort->Disconnect(pEngineChannel); - // new device, port and channel - pMidiInputDevice = pDevice; - this->midiPort = iMidiPort; - this->midiChannel = MidiChannel; + if (pOldMidiInputPort && pEngineChannel) { + MidiInputDevice* pOldDevice = pOldMidiInputPort->GetDevice(); + if (pOldMidiInputPort != pNewMidiInputPort && + pOldDevice && !pOldDevice->isAutonomousDevice() + ) throw Exception("The MIDI input port '" + pOldDevice->Driver() + "' cannot be altered on this sampler channel!"); + + pOldMidiInputPort->Disconnect(pEngineChannel); + } + + // remember new device, port and channel if not engine channel yet created + if (!pEngineChannel) { + this->pMidiInputDevice = pDevice; + this->iMidiPort = iMidiPort; + this->midiChannel = MidiChannel; + } + // connect new device port - pMidiInputPort = GetMidiInputDevicePort(this->midiPort); - if (pMidiInputPort && pEngineChannel) pMidiInputPort->Connect(pEngineChannel, MidiChannel); + if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel); // Ooops. - if (pMidiInputPort == NULL) - throw LinuxSamplerException("There is no MIDI input port with index " + ToString(iMidiPort) + "."); + if (pNewMidiInputPort == NULL) + throw Exception("There is no MIDI input port with index " + ToString(iMidiPort) + "."); } EngineChannel* SamplerChannel::GetEngineChannel() { return pEngineChannel; } - MidiInputPort::midi_chan_t SamplerChannel::GetMidiInputChannel() { + midi_chan_t SamplerChannel::GetMidiInputChannel() { + if (pEngineChannel) this->midiChannel = pEngineChannel->MidiChannel(); return this->midiChannel; } int SamplerChannel::GetMidiInputPort() { - MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort); - return (pMidiInputPort ? (int) pMidiInputPort->GetPortNumber() : -1); + MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : NULL; + if (pMidiInputPort) this->iMidiPort = (int) pMidiInputPort->GetPortNumber(); + return iMidiPort; } AudioOutputDevice* SamplerChannel::GetAudioOutputDevice() { @@ -132,6 +209,8 @@ } MidiInputDevice* SamplerChannel::GetMidiInputDevice() { + if (pEngineChannel) + pMidiInputDevice = (pEngineChannel->GetMidiInputPort()) ? pEngineChannel->GetMidiInputPort()->GetDevice() : NULL; return pMidiInputDevice; } @@ -146,11 +225,40 @@ } } - throw LinuxSamplerException("Internal error: SamplerChannel index not found"); + throw Exception("Internal error: SamplerChannel index not found"); + } + + Sampler* SamplerChannel::GetSampler() { + return pSampler; + } + + void SamplerChannel::AddEngineChangeListener(EngineChangeListener* l) { + llEngineChangeListeners.AddListener(l); + } + + void SamplerChannel::RemoveEngineChangeListener(EngineChangeListener* l) { + llEngineChangeListeners.RemoveListener(l); + } + + void SamplerChannel::RemoveAllEngineChangeListeners() { + llEngineChangeListeners.RemoveAllListeners(); + } + + void SamplerChannel::fireEngineToBeChanged() { + for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) { + llEngineChangeListeners.GetListener(i)->EngineToBeChanged(Index()); + } + } + + void SamplerChannel::fireEngineChanged() { + for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) { + llEngineChangeListeners.GetListener(i)->EngineChanged(Index()); + } } - MidiInputPort* SamplerChannel::GetMidiInputDevicePort(int iMidiPort) { + MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) { MidiInputPort* pMidiInputPort = NULL; + MidiInputDevice* pMidiInputDevice = GetMidiInputDevice(); if (pMidiInputDevice) pMidiInputPort = pMidiInputDevice->GetPort(iMidiPort); return pMidiInputPort; @@ -162,6 +270,8 @@ // * Sampler Sampler::Sampler() { + eventHandler.SetSampler(this); + uiOldTotalVoiceCount = uiOldTotalStreamCount = 0; } Sampler::~Sampler() { @@ -172,12 +282,201 @@ return mSamplerChannels.size(); } + void Sampler::AddChannelCountListener(ChannelCountListener* l) { + llChannelCountListeners.AddListener(l); + } + + void Sampler::RemoveChannelCountListener(ChannelCountListener* l) { + llChannelCountListeners.RemoveListener(l); + } + + void Sampler::fireChannelCountChanged(int NewCount) { + for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) { + llChannelCountListeners.GetListener(i)->ChannelCountChanged(NewCount); + } + } + + void Sampler::fireChannelAdded(SamplerChannel* pChannel) { + for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) { + llChannelCountListeners.GetListener(i)->ChannelAdded(pChannel); + } + } + + void Sampler::fireChannelToBeRemoved(SamplerChannel* pChannel) { + for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) { + llChannelCountListeners.GetListener(i)->ChannelToBeRemoved(pChannel); + } + } + + void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) { + llAudioDeviceCountListeners.AddListener(l); + } + + void Sampler::RemoveAudioDeviceCountListener(AudioDeviceCountListener* l) { + llAudioDeviceCountListeners.RemoveListener(l); + } + + void Sampler::fireAudioDeviceCountChanged(int NewCount) { + for (int i = 0; i < llAudioDeviceCountListeners.GetListenerCount(); i++) { + llAudioDeviceCountListeners.GetListener(i)->AudioDeviceCountChanged(NewCount); + } + } + + void Sampler::AddMidiDeviceCountListener(MidiDeviceCountListener* l) { + llMidiDeviceCountListeners.AddListener(l); + } + + void Sampler::RemoveMidiDeviceCountListener(MidiDeviceCountListener* l) { + llMidiDeviceCountListeners.RemoveListener(l); + } + + void Sampler::fireMidiDeviceCountChanged(int NewCount) { + for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) { + llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCountChanged(NewCount); + } + } + + void Sampler::fireMidiDeviceToBeDestroyed(MidiInputDevice* pDevice) { + for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) { + llMidiDeviceCountListeners.GetListener(i)->MidiDeviceToBeDestroyed(pDevice); + } + } + + void Sampler::fireMidiDeviceCreated(MidiInputDevice* pDevice) { + for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) { + llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCreated(pDevice); + } + } + + void Sampler::AddVoiceCountListener(VoiceCountListener* l) { + llVoiceCountListeners.AddListener(l); + } + + void Sampler::RemoveVoiceCountListener(VoiceCountListener* l) { + llVoiceCountListeners.RemoveListener(l); + } + + void Sampler::fireVoiceCountChanged(int ChannelId, int NewCount) { + std::map::iterator it = mOldVoiceCounts.find(ChannelId); + if (it != mOldVoiceCounts.end()) { + uint oldCount = it->second; + if (NewCount == oldCount) return; + } + + mOldVoiceCounts[ChannelId] = NewCount; + + for (int i = 0; i < llVoiceCountListeners.GetListenerCount(); i++) { + llVoiceCountListeners.GetListener(i)->VoiceCountChanged(ChannelId, NewCount); + } + } + + void Sampler::AddStreamCountListener(StreamCountListener* l) { + llStreamCountListeners.AddListener(l); + } + + void Sampler::RemoveStreamCountListener(StreamCountListener* l) { + llStreamCountListeners.RemoveListener(l); + } + + void Sampler::fireStreamCountChanged(int ChannelId, int NewCount) { + std::map::iterator it = mOldStreamCounts.find(ChannelId); + if (it != mOldStreamCounts.end()) { + uint oldCount = it->second; + if (NewCount == oldCount) return; + } + + mOldStreamCounts[ChannelId] = NewCount; + + for (int i = 0; i < llStreamCountListeners.GetListenerCount(); i++) { + llStreamCountListeners.GetListener(i)->StreamCountChanged(ChannelId, NewCount); + } + } + + void Sampler::AddBufferFillListener(BufferFillListener* l) { + llBufferFillListeners.AddListener(l); + } + + void Sampler::RemoveBufferFillListener(BufferFillListener* l) { + llBufferFillListeners.RemoveListener(l); + } + + void Sampler::fireBufferFillChanged(int ChannelId, String FillData) { + for (int i = 0; i < llBufferFillListeners.GetListenerCount(); i++) { + llBufferFillListeners.GetListener(i)->BufferFillChanged(ChannelId, FillData); + } + } + + void Sampler::AddTotalStreamCountListener(TotalStreamCountListener* l) { + llTotalStreamCountListeners.AddListener(l); + } + + void Sampler::RemoveTotalStreamCountListener(TotalStreamCountListener* l) { + llTotalStreamCountListeners.RemoveListener(l); + } + + void Sampler::fireTotalStreamCountChanged(int NewCount) { + if (NewCount == uiOldTotalStreamCount) return; + uiOldTotalStreamCount = NewCount; + + for (int i = 0; i < llTotalStreamCountListeners.GetListenerCount(); i++) { + llTotalStreamCountListeners.GetListener(i)->TotalStreamCountChanged(NewCount); + } + } + + void Sampler::AddTotalVoiceCountListener(TotalVoiceCountListener* l) { + llTotalVoiceCountListeners.AddListener(l); + } + + void Sampler::RemoveTotalVoiceCountListener(TotalVoiceCountListener* l) { + llTotalVoiceCountListeners.RemoveListener(l); + } + + void Sampler::fireTotalVoiceCountChanged(int NewCount) { + if (NewCount == uiOldTotalVoiceCount) return; + uiOldTotalVoiceCount = NewCount; + + for (int i = 0; i < llTotalVoiceCountListeners.GetListenerCount(); i++) { + llTotalVoiceCountListeners.GetListener(i)->TotalVoiceCountChanged(NewCount); + } + } + + void Sampler::AddFxSendCountListener(FxSendCountListener* l) { + llFxSendCountListeners.AddListener(l); + } + + void Sampler::RemoveFxSendCountListener(FxSendCountListener* l) { + llFxSendCountListeners.RemoveListener(l); + } + + void Sampler::fireFxSendCountChanged(int ChannelId, int NewCount) { + for (int i = 0; i < llFxSendCountListeners.GetListenerCount(); i++) { + llFxSendCountListeners.GetListener(i)->FxSendCountChanged(ChannelId, NewCount); + } + } + + void Sampler::EventHandler::EngineToBeChanged(int ChannelId) { + // nothing to do here + } + + void Sampler::EventHandler::EngineChanged(int ChannelId) { + EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel(); + if(engineChannel == NULL) return; + engineChannel->AddFxSendCountListener(this); + } + + void Sampler::EventHandler::FxSendCountChanged(int ChannelId, int NewCount) { + pSampler->fireFxSendCountChanged(ChannelId, NewCount); + } + + SamplerChannel* Sampler::AddSamplerChannel() { // if there's no sampler channel yet if (!mSamplerChannels.size()) { SamplerChannel* pChannel = new SamplerChannel(this); mSamplerChannels[0] = pChannel; - LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, 1)); + fireChannelAdded(pChannel); + fireChannelCountChanged(1); + pChannel->AddEngineChangeListener(&eventHandler); return pChannel; } @@ -192,16 +491,20 @@ // we found an unused index, so insert the new channel there SamplerChannel* pChannel = new SamplerChannel(this); mSamplerChannels[i] = pChannel; - LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, i)); + fireChannelAdded(pChannel); + fireChannelCountChanged(SamplerChannels()); + pChannel->AddEngineChangeListener(&eventHandler); return pChannel; } - throw LinuxSamplerException("Internal error: could not find unoccupied sampler channel index."); + throw Exception("Internal error: could not find unoccupied sampler channel index."); } // we have not reached the index limit so we just add the channel past the highest index SamplerChannel* pChannel = new SamplerChannel(this); mSamplerChannels[lastIndex + 1] = pChannel; - LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, lastIndex + 1)); + fireChannelAdded(pChannel); + fireChannelCountChanged(SamplerChannels()); + pChannel->AddEngineChangeListener(&eventHandler); return pChannel; } @@ -217,9 +520,13 @@ SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); for (; iterChan != mSamplerChannels.end(); iterChan++) { if (iterChan->second == pSamplerChannel) { + fireChannelToBeRemoved(pSamplerChannel); + mOldVoiceCounts.erase(pSamplerChannel->Index()); + mOldStreamCounts.erase(pSamplerChannel->Index()); + pSamplerChannel->RemoveAllEngineChangeListeners(); mSamplerChannels.erase(iterChan); delete pSamplerChannel; - LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, mSamplerChannels.size())); + fireChannelCountChanged(SamplerChannels()); return; } } @@ -231,104 +538,186 @@ RemoveSamplerChannel(pChannel); } + void Sampler::RemoveAllSamplerChannels() { + /* + * In maps iterator invalidation occurs when the iterator point + * to the element that is being erased. So we need to copy the map + * by calling GetSamplerChannels() to prevent that. + */ + SamplerChannelMap chns = GetSamplerChannels(); + SamplerChannelMap::iterator iter = chns.begin(); + for(; iter != chns.end(); iter++) { + RemoveSamplerChannel(iter->second); + } + } + std::vector Sampler::AvailableAudioOutputDrivers() { return AudioOutputDeviceFactory::AvailableDrivers(); } - AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map Parameters) throw (LinuxSamplerException) { + std::vector Sampler::AvailableMidiInputDrivers() { + return MidiInputDeviceFactory::AvailableDrivers(); + } + + std::vector Sampler::AvailableEngineTypes() { + return EngineFactory::AvailableEngineTypes(); + } + + AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map Parameters) throw (Exception) { // create new device AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters); - // add new audio device to the audio device list - for (uint i = 0; ; i++) { // seek for a free place starting from the beginning - if (!mAudioOutputDevices[i]) { - mAudioOutputDevices[i] = pDevice; - break; - } - } - + fireAudioDeviceCountChanged(AudioOutputDevices()); return pDevice; } uint Sampler::AudioOutputDevices() { - return mAudioOutputDevices.size(); + return AudioOutputDeviceFactory::Devices().size(); } uint Sampler::MidiInputDevices() { - return mMidiInputDevices.size(); + return MidiInputDeviceFactory::Devices().size(); } std::map Sampler::GetAudioOutputDevices() { - return mAudioOutputDevices; + return AudioOutputDeviceFactory::Devices(); } std::map Sampler::GetMidiInputDevices() { - return mMidiInputDevices; + return MidiInputDeviceFactory::Devices(); } - void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (LinuxSamplerException) { - AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); - for (; iter != mAudioOutputDevices.end(); iter++) { - if (iter->second == pDevice) { - // check if there are still sampler engines connected to this device - for (uint i = 0; i < SamplerChannels(); i++) - if (GetSamplerChannel(i)->GetAudioOutputDevice() == pDevice) throw LinuxSamplerException("Sampler channel " + ToString(i) + " is still connected to the audio output device."); + void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception) { + if (pDevice) { + // check if there are still sampler engines connected to this device + for (SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); + iterChan != mSamplerChannels.end(); iterChan++ + ) if (iterChan->second->GetAudioOutputDevice() == pDevice) throw Exception("Sampler channel " + ToString(iterChan->first) + " is still connected to the audio output device."); - // disable device - pDevice->Stop(); + //TODO: should we add fireAudioDeviceToBeDestroyed() here ? + AudioOutputDeviceFactory::Destroy(pDevice); + fireAudioDeviceCountChanged(AudioOutputDevices()); + } + } - // remove device from the device list - mAudioOutputDevices.erase(iter); + void Sampler::DestroyAllAudioOutputDevices() throw (Exception) { + /* + * In maps iterator invalidation occurs when the iterator point + * to the element that is being erased. So we need to copy the map + * by calling GetAudioOutputDevices() to prevent that. + */ + std::map devs = GetAudioOutputDevices(); + std::map::iterator iter = devs.begin(); + for (; iter != devs.end(); iter++) { + AudioOutputDevice* pDevice = iter->second; - // destroy and free device from memory - delete pDevice; - } + // skip non-autonomous devices + if (!pDevice->isAutonomousDevice()) continue; + + DestroyAudioOutputDevice(pDevice); } } - void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (LinuxSamplerException) { - MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); - for (; iter != mMidiInputDevices.end(); iter++) { - if (iter->second == pDevice) { - // check if there are still sampler engines connected to this device - for (uint i = 0; i < SamplerChannels(); i++) - if (GetSamplerChannel(i)->GetMidiInputDevice() == pDevice) throw LinuxSamplerException("Sampler channel " + ToString(i) + " is still connected to the midi input device."); + void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) { + if (pDevice) { + // check if there are still sampler engines connected to this device + for (SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); + iterChan != mSamplerChannels.end(); iterChan++ + ) if (iterChan->second->GetMidiInputDevice() == pDevice) throw Exception("Sampler channel " + ToString(iterChan->first) + " is still connected to the midi input device."); - // disable device - pDevice->StopListen(); + fireMidiDeviceToBeDestroyed(pDevice); + MidiInputDeviceFactory::Destroy(pDevice); + fireMidiDeviceCountChanged(MidiInputDevices()); + } + } - // remove device from the device list - mMidiInputDevices.erase(iter); + void Sampler::DestroyAllMidiInputDevices() throw (Exception) { + /* + * In maps iterator invalidation occurs when the iterator point + * to the element that is being erased. So we need to copy the map + * by calling GetMidiInputDevices() to prevent that. + */ + std::map devs = GetMidiInputDevices(); + std::map::iterator iter = devs.begin(); + for (; iter != devs.end(); iter++) { + MidiInputDevice* pDevice = iter->second; - // destroy and free device from memory - delete pDevice; - } + // skip non-autonomous devices + if (!pDevice->isAutonomousDevice()) continue; + + DestroyMidiInputDevice(pDevice); } } - MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map Parameters) throw (LinuxSamplerException) { + MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map Parameters) throw (Exception) { // create new device - MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters); - - // add new device to the midi device list - for (uint i = 0; ; i++) { // seek for a free place starting from the beginning - if (!mMidiInputDevices[i]) { - mMidiInputDevices[i] = pDevice; - break; - } - } + MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this); + fireMidiDeviceCreated(pDevice); + fireMidiDeviceCountChanged(MidiInputDevices()); return pDevice; } + int Sampler::GetDiskStreamCount() { + int count = 0; + std::set::iterator it = EngineFactory::EngineInstances().begin(); + + for(; it != EngineFactory::EngineInstances().end(); it++) { + count += (*it)->DiskStreamCount(); + } + + return count; + } + + int Sampler::GetVoiceCount() { + int count = 0; + std::set::iterator it = EngineFactory::EngineInstances().begin(); + + for(; it != EngineFactory::EngineInstances().end(); it++) { + count += (*it)->VoiceCount(); + } + + return count; + } + + int Sampler::GetGlobalMaxVoices() { + return GLOBAL_MAX_VOICES; // see common/global_private.cpp + } + + int Sampler::GetGlobalMaxStreams() { + return GLOBAL_MAX_STREAMS; // see common/global_private.cpp + } + + void Sampler::SetGlobalMaxVoices(int n) throw (Exception) { + if (n < 1) throw Exception("Maximum voices may not be less than 1"); + GLOBAL_MAX_VOICES = n; // see common/global_private.cpp + const std::set& engines = EngineFactory::EngineInstances(); + if (engines.size() > 0) { + std::set::iterator iter = engines.begin(); + std::set::iterator end = engines.end(); + for (; iter != end; ++iter) { + (*iter)->SetMaxVoices(n); + } + } + } + + void Sampler::SetGlobalMaxStreams(int n) throw (Exception) { + if (n < 0) throw Exception("Maximum disk streams may not be negative"); + GLOBAL_MAX_STREAMS = n; // see common/global_private.cpp + const std::set& engines = EngineFactory::EngineInstances(); + if (engines.size() > 0) { + std::set::iterator iter = engines.begin(); + std::set::iterator end = engines.end(); + for (; iter != end; ++iter) { + (*iter)->SetMaxDiskStreams(n); + } + } + } + void Sampler::Reset() { // delete sampler channels try { - while (true) { - SamplerChannelMap::iterator iter = mSamplerChannels.begin(); - if (iter == mSamplerChannels.end()) break; - RemoveSamplerChannel(iter->second); - } + RemoveAllSamplerChannels(); } catch(...) { std::cerr << "Sampler::Reset(): Exception occured while trying to delete all sampler channels, exiting.\n" << std::flush; @@ -337,11 +726,7 @@ // delete midi input devices try { - while (true) { - MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); - if (iter == mMidiInputDevices.end()) break; - DestroyMidiInputDevice(iter->second); - } + DestroyAllMidiInputDevices(); } catch(...) { std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI input devices, exiting.\n" << std::flush; @@ -350,16 +735,88 @@ // delete audio output devices try { - while (true) { - AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); - if (iter == mAudioOutputDevices.end()) break; - DestroyAudioOutputDevice(iter->second); - } + DestroyAllAudioOutputDevices(); } catch(...) { std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush; exit(EXIT_FAILURE); } + + // delete MIDI instrument maps + try { + MidiInstrumentMapper::RemoveAllMaps(); + } + catch(...) { + std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush; + exit(EXIT_FAILURE); + } + + // unload all instrument editor DLLs + InstrumentEditorFactory::ClosePlugins(); + } + + bool Sampler::EnableDenormalsAreZeroMode() { + Features::detect(); + return Features::enableDenormalsAreZeroMode(); + } + + void Sampler::fireStatistics() { + static const LSCPEvent::event_t eventsArr[] = { + LSCPEvent::event_voice_count, LSCPEvent::event_stream_count, + LSCPEvent::event_buffer_fill, LSCPEvent::event_total_voice_count + }; + static const std::list events(eventsArr, eventsArr + 4); + + if (LSCPServer::EventSubscribers(events)) + { + LSCPServer::LockRTNotify(); + std::map channels = GetSamplerChannels(); + std::map::iterator iter = channels.begin(); + for (; iter != channels.end(); iter++) { + SamplerChannel* pSamplerChannel = iter->second; + EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); + if (!pEngineChannel) continue; + Engine* pEngine = pEngineChannel->GetEngine(); + if (!pEngine) continue; + fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount()); + fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount()); + fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage()); + } + + fireTotalStreamCountChanged(GetDiskStreamCount()); + fireTotalVoiceCountChanged(GetVoiceCount()); + + LSCPServer::UnlockRTNotify(); + } } +#if defined(WIN32) + static HINSTANCE dllInstance = NULL; + + String Sampler::GetInstallDir() { + char buf[MAX_PATH + 1]; + if (GetModuleFileName(dllInstance, buf, MAX_PATH)) { + String s(buf); + size_t n = s.rfind('\\'); + if (n != String::npos) { + return s.substr(0, n); + } + } + return ""; + } +#endif } // namespace LinuxSampler + +#if defined(WIN32) +extern "C" { + BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved) + { + switch (reason) { + case DLL_PROCESS_ATTACH: + LinuxSampler::dllInstance = instance; + break; + } + return TRUE; + } +} +#endif