--- linuxsampler/trunk/src/Sampler.cpp 2006/12/17 22:35:01 981 +++ linuxsampler/trunk/src/Sampler.cpp 2014/01/10 12:20:05 2500 @@ -3,20 +3,20 @@ * LinuxSampler - modular, streaming capable sampler * * * * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * - * Copyright (C) 2005, 2006 Christian Schoenebeck * + * Copyright (C) 2005 - 2014 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 * ***************************************************************************/ @@ -25,10 +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 { @@ -40,7 +44,6 @@ pSampler = pS; pEngineChannel = NULL; pAudioOutputDevice = NULL; - pMidiInputDevice = NULL; iMidiPort = 0; midiChannel = midi_chan_all; iIndex = -1; @@ -51,9 +54,9 @@ Engine* engine = pEngineChannel->GetEngine(); if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); - MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel()); - if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel); if (pEngineChannel) { + pEngineChannel->DisconnectAllMidiInputPorts(); + if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); EngineChannelFactory::Destroy(pEngineChannel); @@ -67,51 +70,73 @@ 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 Exception("Unknown engine type"); - //FIXME: hack to allow fast retrieval of engine channel's sampler channel index - pNewEngineChannel->iSamplerChannelIndex = Index(); + // remember current MIDI input connections + std::vector vMidiInputs = GetMidiInputPorts(); + midi_chan_t midiChannel = GetMidiInputChannel(); + + try { + pNewEngineChannel->SetSamplerChannel(this); - // dereference midi input port. - MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); - // disconnect old engine channel - if (pEngineChannel) { - Engine* engine = pEngineChannel->GetEngine(); - if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); + // disconnect old engine channel + if (pEngineChannel) { + Engine* engine = pEngineChannel->GetEngine(); + if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); - if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel); - if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); - EngineChannelFactory::Destroy(pEngineChannel); + pEngineChannel->DisconnectAllMidiInputPorts(); + if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); + EngineChannelFactory::Destroy(pEngineChannel); + pEngineChannel = NULL; - // reconnect engine if it still exists - const std::set& engines = EngineFactory::EngineInstances(); - if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); - } + // 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()); + // connect new engine channel + if (pAudioOutputDevice) { + pNewEngineChannel->Connect(pAudioOutputDevice); + pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine()); + } + pNewEngineChannel->SetMidiChannel(midiChannel); + for (int i = 0; i < vMidiInputs.size(); ++i) { + pNewEngineChannel->Connect(vMidiInputs[i]); + } + } catch (...) { + EngineChannelFactory::Destroy(pNewEngineChannel); + throw; // re-throw the same exception } - if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel()); pEngineChannel = pNewEngineChannel; - // from now on get MIDI device and port from EngineChannel object - this->pMidiInputDevice = NULL; + // from now on get MIDI input ports from EngineChannel object + this->vMidiInputs.clear(); 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) { + 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); @@ -130,39 +155,127 @@ } } - void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) { + void SamplerChannel::Connect(MidiInputPort* pPort) throw (Exception) { + if (!pPort) throw Exception("No MIDI input port provided"); + + // prevent attempts to connect non-autonomous MIDI ports + // (host plugins like VST, AU, LV2, DSSI) + if (!pPort->GetDevice()->isAutonomousDevice()) + throw Exception("The MIDI input port '" + pPort->GetDevice()->Driver() + "' cannot be managed manually!"); + + std::vector vMidiPorts = GetMidiInputPorts(); + + // ignore if port is already connected + for (int i = 0; i < vMidiPorts.size(); ++i) { + if (vMidiPorts[i] == pPort) return; + } + + // connect this new port + if (pEngineChannel) { + pEngineChannel->Connect(pPort); + } else { // no engine channel yet, remember it for future connection ... + const midi_conn_t c = { + pPort->GetDevice()->MidiInputDeviceID(), + pPort->GetPortNumber() + }; + this->vMidiInputs.push_back(c); + } + } + + void SamplerChannel::Disconnect(MidiInputPort* pPort) throw (Exception) { + if (!pPort) return; + + // prevent attempts to alter channels with non-autonomous devices + // (host plugins like VST, AU, LV2, DSSI) + if (!pPort->GetDevice()->isAutonomousDevice()) + throw Exception("The MIDI input port '" + pPort->GetDevice()->Driver() + "' cannot be managed manually!"); + + // disconnect this port + if (pEngineChannel) { + pEngineChannel->Disconnect(pPort); + } else { // no engine channel yet, forget it regarding future connection ... + const midi_conn_t c = { + pPort->GetDevice()->MidiInputDeviceID(), + pPort->GetPortNumber() + }; + for (int i = this->vMidiInputs.size() - 1; i >= 0; --i) { + if (this->vMidiInputs[i] == c) + this->vMidiInputs.erase(this->vMidiInputs.begin() + i); + // no break or return here, for safety reasons + // (just in case there were really duplicates for some reason) + } + } + } + + void SamplerChannel::DisconnectAllMidiInputPorts() throw (Exception) { + std::vector vMidiPorts = GetMidiInputPorts(); + for (int i = 0; i < vMidiPorts.size(); ++i) Disconnect(vMidiPorts[i]); + } + + std::vector SamplerChannel::GetMidiInputPorts() { + std::vector v; + if (pEngineChannel) { + MidiInputPort* pPort = pEngineChannel->GetMidiInputPort(0); + for (int i = 0; pPort; pPort = pEngineChannel->GetMidiInputPort(++i)) + v.push_back(pPort); + } else { + for (int i = 0; i < this->vMidiInputs.size(); ++i) { + MidiInputPort* pPort = _getPortForID(this->vMidiInputs[i]); + if (pPort) v.push_back(pPort); + } + } + return v; + } + + void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) { SetMidiInput(pDevice, 0, GetMidiInputChannel()); } - void SamplerChannel::SetMidiInputPort(int MidiPort) { + void SamplerChannel::SetMidiInputPort(int MidiPort) throw (Exception) { SetMidiInput(GetMidiInputDevice(), MidiPort, GetMidiInputChannel()); } void SamplerChannel::SetMidiInputChannel(midi_chan_t MidiChannel) { - SetMidiInput(GetMidiInputDevice(), GetMidiInputPort(), MidiChannel); + if (!isValidMidiChan(MidiChannel)) throw Exception("Invalid MIDI channel (" + ToString(int(MidiChannel)) + ")"); + if (pEngineChannel) pEngineChannel->SetMidiChannel(MidiChannel); + this->midiChannel = MidiChannel; } - void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) { + 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 (pOldMidiInputPort && pEngineChannel) 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 - if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel); - // Ooops. - if (pNewMidiInputPort == NULL) - throw Exception("There is no MIDI input port with index " + ToString(iMidiPort) + "."); + // apply new MIDI channel + SetMidiInputChannel(MidiChannel); + + MidiInputPort* pNewPort = pDevice->GetPort(iMidiPort); + if (!pNewPort) throw Exception("There is no MIDI input port with index " + ToString(iMidiPort) + "."); + + std::vector vMidiPorts = GetMidiInputPorts(); + + // prevent attempts to remove non-autonomous MIDI ports + // (host plugins like VST, AU, LV2, DSSI) + for (int i = 0; i < vMidiPorts.size(); ++i) { + if (vMidiPorts[i] == pNewPort) continue; + if (!vMidiPorts[i]->GetDevice()->isAutonomousDevice()) + throw Exception("The MIDI input port '" + vMidiPorts[i]->GetDevice()->Driver() + "' cannot be altered on this sampler channel!"); + } + + if (pEngineChannel) { + // remove all current connections + pEngineChannel->DisconnectAllMidiInputPorts(); + // create the new connection (alone) + pEngineChannel->Connect(pNewPort); + } else { // if there is no engine channel yet, then store connection for future ... + // delete all previously scheduled connections + this->vMidiInputs.clear(); + // store the new connection (alone) + const midi_conn_t c = { + pNewPort->GetDevice()->MidiInputDeviceID(), + pNewPort->GetPortNumber() + }; + this->vMidiInputs.push_back(c); + this->iMidiPort = iMidiPort; + } } EngineChannel* SamplerChannel::GetEngineChannel() { @@ -175,7 +288,7 @@ } int SamplerChannel::GetMidiInputPort() { - MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : NULL; + MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort(0) : NULL; if (pMidiInputPort) this->iMidiPort = (int) pMidiInputPort->GetPortNumber(); return iMidiPort; } @@ -186,8 +299,16 @@ MidiInputDevice* SamplerChannel::GetMidiInputDevice() { if (pEngineChannel) - pMidiInputDevice = (pEngineChannel->GetMidiInputPort()) ? pEngineChannel->GetMidiInputPort()->GetDevice() : NULL; - return pMidiInputDevice; + return (pEngineChannel->GetMidiInputPort(0)) ? pEngineChannel->GetMidiInputPort(0)->GetDevice() : NULL; + + if (vMidiInputs.empty()) + return NULL; + + std::map mAllDevices = MidiInputDeviceFactory::Devices(); + if (!mAllDevices.count(vMidiInputs[0].deviceID)) + return NULL; + + return mAllDevices[vMidiInputs[0].deviceID]; } uint SamplerChannel::Index() { @@ -204,20 +325,53 @@ throw Exception("Internal error: SamplerChannel index not found"); } - MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) { - MidiInputPort* pMidiInputPort = NULL; - MidiInputDevice* pMidiInputDevice = GetMidiInputDevice(); - if (pMidiInputDevice) - pMidiInputPort = pMidiInputDevice->GetPort(iMidiPort); - return pMidiInputPort; + 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()); + } } + + /** + * Takes a numeric MIDI device ID, port ID pair as argument and returns + * the actual MIDI input port associated with that unique ID pair. + */ + MidiInputPort* SamplerChannel::_getPortForID(const midi_conn_t& c) { + std::map mAllDevices = MidiInputDeviceFactory::Devices(); + if (!mAllDevices.count(c.deviceID)) + return NULL; + return mAllDevices[c.deviceID]->GetPort(c.portNr); + } // ****************************************************************** // * Sampler Sampler::Sampler() { + eventHandler.SetSampler(this); + uiOldTotalVoiceCount = uiOldTotalStreamCount = 0; } Sampler::~Sampler() { @@ -228,12 +382,201 @@ 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_channel_count, 1)); + fireChannelAdded(pChannel); + fireChannelCountChanged(1); + pChannel->AddEngineChangeListener(&eventHandler); return pChannel; } @@ -248,7 +591,9 @@ // we found an unused index, so insert the new channel there SamplerChannel* pChannel = new SamplerChannel(this); mSamplerChannels[i] = pChannel; - LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, i)); + fireChannelAdded(pChannel); + fireChannelCountChanged(SamplerChannels()); + pChannel->AddEngineChangeListener(&eventHandler); return pChannel; } throw Exception("Internal error: could not find unoccupied sampler channel index."); @@ -257,7 +602,9 @@ // 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_channel_count, lastIndex + 1)); + fireChannelAdded(pChannel); + fireChannelCountChanged(SamplerChannels()); + pChannel->AddEngineChangeListener(&eventHandler); return pChannel; } @@ -273,9 +620,13 @@ 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_channel_count, mSamplerChannels.size())); + fireChannelCountChanged(SamplerChannels()); return; } } @@ -287,6 +638,19 @@ 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(); } @@ -303,77 +667,90 @@ // 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; - } - } - - LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_audio_device_count, AudioOutputDevices())); + 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 (Exception) { - 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 Exception("Sampler channel " + ToString(i) + " is still connected to the audio output device."); - - // disable device - pDevice->Stop(); + 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."); + + //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; - LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_audio_device_count, AudioOutputDevices())); - break; - } + DestroyAudioOutputDevice(pDevice); } } void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) { - 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 Exception("Sampler channel " + ToString(i) + " is still connected to the midi input device."); - - // disable device - pDevice->StopListen(); + if (pDevice) { + // check if there are still sampler engines connected to this device + for (SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); + iterChan != mSamplerChannels.end(); ++iterChan) + { + std::vector vPorts = iterChan->second->GetMidiInputPorts(); + for (int k = 0; k < vPorts.size(); ++k) + if (vPorts[k]->GetDevice() == pDevice) + throw Exception("Sampler channel " + ToString(iterChan->first) + " is still connected to the midi input device."); + } + + 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; - LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_device_count, MidiInputDevices())); - break; - } + DestroyMidiInputDevice(pDevice); } } @@ -381,18 +758,22 @@ // create new device MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this); - // 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; - } - } - - LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_device_count, MidiInputDevices())); + 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(); @@ -404,14 +785,44 @@ 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; @@ -420,11 +831,7 @@ // 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; @@ -433,16 +840,86 @@ // 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)) + { + LockGuard lock(LSCPServer::RTNotifyMutex); + 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()); + } + } + +#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