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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This library 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 * |
* 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 * |
* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
* (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, * |
* This library is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
* 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 * |
* 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 * |
* along with this library; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
* MA 02111-1307 USA * |
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***************************************************************************/ |
***************************************************************************/ |
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#include "Sampler.h" |
#include "Sampler.h" |
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#include "audiodriver/AudioOutputDeviceFactory.h" |
#include "common/global_private.h" |
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#include "mididriver/MidiInputDeviceAlsa.h" |
#include "engines/EngineFactory.h" |
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#include "engines/gig/Engine.h" |
#include "engines/EngineChannelFactory.h" |
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#include "plugins/InstrumentEditorFactory.h" |
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#include "drivers/audio/AudioOutputDeviceFactory.h" |
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#include "drivers/midi/MidiInputDeviceFactory.h" |
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#include "drivers/midi/MidiInstrumentMapper.h" |
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#include "common/Features.h" |
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namespace LinuxSampler { |
namespace LinuxSampler { |
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SamplerChannel::SamplerChannel(Sampler* pS) { |
SamplerChannel::SamplerChannel(Sampler* pS) { |
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pSampler = pS; |
pSampler = pS; |
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pEngine = NULL; |
pEngineChannel = NULL; |
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pMidiInputDevice = NULL; |
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pAudioOutputDevice = NULL; |
pAudioOutputDevice = NULL; |
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pMidiInputDevice = NULL; |
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iMidiPort = 0; |
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midiChannel = midi_chan_all; |
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iIndex = -1; |
iIndex = -1; |
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} |
} |
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SamplerChannel::~SamplerChannel() { |
SamplerChannel::~SamplerChannel() { |
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if (pEngine) { |
if (pEngineChannel) { |
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if (pMidiInputDevice) pMidiInputDevice->Disconnect(pEngine); |
Engine* engine = pEngineChannel->GetEngine(); |
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if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(pEngine); |
if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); |
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delete pEngine; |
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MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel()); |
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if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel); |
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if (pEngineChannel) { |
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if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); |
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EngineChannelFactory::Destroy(pEngineChannel); |
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// reconnect engine if it still exists |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
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if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); |
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} |
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} |
} |
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} |
} |
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void SamplerChannel::LoadEngine(Engine::type_t EngineType) { |
void SamplerChannel::SetEngineType(String EngineType) throw (Exception) { |
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dmsg(2,("SamplerChannel: Loading engine...")); |
dmsg(2,("SamplerChannel: Assigning engine type...")); |
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if (pEngineChannel) { |
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if (!strcasecmp(pEngineChannel->EngineName().c_str(), EngineType.c_str())) { |
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dmsg(2,("OK\n")); |
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return; |
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} |
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} |
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// create new engine |
fireEngineToBeChanged(); |
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Engine* pNewEngine = NULL; |
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switch (EngineType) { |
// create new engine channel |
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case Engine::type_gig: |
EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType); |
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pNewEngine = new gig::Engine; |
if (!pNewEngineChannel) throw Exception("Unknown engine type"); |
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break; |
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default: |
pNewEngineChannel->SetSamplerChannel(this); |
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throw LinuxSamplerException("Unknown engine type"); |
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// dereference midi input port. |
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MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); |
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// disconnect old engine channel |
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if (pEngineChannel) { |
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Engine* engine = pEngineChannel->GetEngine(); |
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if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); |
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if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel); |
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if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); |
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EngineChannelFactory::Destroy(pEngineChannel); |
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// reconnect engine if it still exists |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
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if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); |
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} |
} |
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// disconnect old engine |
// connect new engine channel |
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if (pEngine) { |
if (pAudioOutputDevice) { |
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if (pMidiInputDevice) pMidiInputDevice->Disconnect(pEngine); |
pNewEngineChannel->Connect(pAudioOutputDevice); |
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if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(pEngine); |
pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine()); |
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delete pEngine; |
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} |
} |
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if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel()); |
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pEngineChannel = pNewEngineChannel; |
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// from now on get MIDI device and port from EngineChannel object |
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this->pMidiInputDevice = NULL; |
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this->iMidiPort = 0; |
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// connect new engine |
pEngineChannel->StatusChanged(true); |
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pEngine = pNewEngine; |
fireEngineChanged(); |
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if (pMidiInputDevice) pMidiInputDevice->Connect(pNewEngine, (MidiInputDevice::midi_chan_t) Index()); |
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if (pAudioOutputDevice) pAudioOutputDevice->Connect(pNewEngine); |
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dmsg(2,("OK\n")); |
dmsg(2,("OK\n")); |
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} |
} |
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void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) { |
void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) { |
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if(pAudioOutputDevice == pDevice) return; |
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// disconnect old device |
// disconnect old device |
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if (pAudioOutputDevice && pEngine) pAudioOutputDevice->Disconnect(pEngine); |
if (pAudioOutputDevice && pEngineChannel) { |
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Engine* engine = pEngineChannel->GetEngine(); |
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pAudioOutputDevice->Disconnect(engine); |
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pEngineChannel->DisconnectAudioOutputDevice(); |
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// reconnect engine if it still exists |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
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if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); |
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} |
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// connect new device |
// connect new device |
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pAudioOutputDevice = pDevice; |
pAudioOutputDevice = pDevice; |
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if (pEngine) pAudioOutputDevice->Connect(pEngine); |
if (pEngineChannel) { |
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pEngineChannel->Connect(pAudioOutputDevice); |
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pAudioOutputDevice->Connect(pEngineChannel->GetEngine()); |
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} |
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} |
} |
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void SamplerChannel::SetMidiInputDevice(MidiInputDevice::type_t MidiType, MidiInputDevice::midi_chan_t MidiChannel) { |
void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) { |
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// get / create desired midi device |
SetMidiInput(pDevice, 0, GetMidiInputChannel()); |
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MidiInputDevice* pDevice = pSampler->GetMidiInputDevice(MidiType); |
} |
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if (!pDevice) pDevice = pSampler->CreateMidiInputDevice(MidiType); |
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// disconnect old device |
void SamplerChannel::SetMidiInputPort(int MidiPort) { |
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if (pMidiInputDevice && pEngine) pMidiInputDevice->Disconnect(pEngine); |
SetMidiInput(GetMidiInputDevice(), MidiPort, GetMidiInputChannel()); |
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} |
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// connect new device |
void SamplerChannel::SetMidiInputChannel(midi_chan_t MidiChannel) { |
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pMidiInputDevice = pDevice; |
SetMidiInput(GetMidiInputDevice(), GetMidiInputPort(), MidiChannel); |
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if (pEngine) pMidiInputDevice->Connect(pEngine, MidiChannel); |
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} |
} |
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Engine* SamplerChannel::GetEngine() { |
void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) { |
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return pEngine; |
if (!pDevice) throw Exception("No MIDI input device assigned."); |
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// get old and new midi input port |
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MidiInputPort* pOldMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); |
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MidiInputPort* pNewMidiInputPort = pDevice->GetPort(iMidiPort); |
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// disconnect old device port |
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if (pOldMidiInputPort && pEngineChannel) pOldMidiInputPort->Disconnect(pEngineChannel); |
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// remember new device, port and channel if not engine channel yet created |
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if (!pEngineChannel) { |
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this->pMidiInputDevice = pDevice; |
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this->iMidiPort = iMidiPort; |
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this->midiChannel = MidiChannel; |
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} |
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// connect new device port |
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if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel); |
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// Ooops. |
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if (pNewMidiInputPort == NULL) |
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throw Exception("There is no MIDI input port with index " + ToString(iMidiPort) + "."); |
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} |
} |
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MidiInputDevice* SamplerChannel::GetMidiInputDevice() { |
EngineChannel* SamplerChannel::GetEngineChannel() { |
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return pMidiInputDevice; |
return pEngineChannel; |
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} |
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midi_chan_t SamplerChannel::GetMidiInputChannel() { |
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if (pEngineChannel) this->midiChannel = pEngineChannel->MidiChannel(); |
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return this->midiChannel; |
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} |
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int SamplerChannel::GetMidiInputPort() { |
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MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : NULL; |
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if (pMidiInputPort) this->iMidiPort = (int) pMidiInputPort->GetPortNumber(); |
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return iMidiPort; |
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} |
} |
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AudioOutputDevice* SamplerChannel::GetAudioOutputDevice() { |
AudioOutputDevice* SamplerChannel::GetAudioOutputDevice() { |
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return pAudioOutputDevice; |
return pAudioOutputDevice; |
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} |
} |
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MidiInputDevice* SamplerChannel::GetMidiInputDevice() { |
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if (pEngineChannel) |
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pMidiInputDevice = (pEngineChannel->GetMidiInputPort()) ? pEngineChannel->GetMidiInputPort()->GetDevice() : NULL; |
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return pMidiInputDevice; |
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} |
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uint SamplerChannel::Index() { |
uint SamplerChannel::Index() { |
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if (iIndex >= 0) return iIndex; |
if (iIndex >= 0) return iIndex; |
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std::vector<SamplerChannel*>::iterator iter = pSampler->vSamplerChannels.begin(); |
Sampler::SamplerChannelMap::iterator iter = pSampler->mSamplerChannels.begin(); |
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for (int i = 0; iter != pSampler->vSamplerChannels.end(); i++, iter++) { |
for (; iter != pSampler->mSamplerChannels.end(); iter++) { |
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if (*iter == this) { |
if (iter->second == this) { |
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iIndex = i; |
iIndex = iter->first; |
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return i; |
return iIndex; |
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} |
} |
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} |
} |
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throw LinuxSamplerException("SamplerChannel index not found"); |
throw Exception("Internal error: SamplerChannel index not found"); |
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} |
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Sampler* SamplerChannel::GetSampler() { |
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return pSampler; |
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} |
} |
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void SamplerChannel::AddEngineChangeListener(EngineChangeListener* l) { |
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llEngineChangeListeners.AddListener(l); |
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} |
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void SamplerChannel::RemoveEngineChangeListener(EngineChangeListener* l) { |
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llEngineChangeListeners.RemoveListener(l); |
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} |
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void SamplerChannel::RemoveAllEngineChangeListeners() { |
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llEngineChangeListeners.RemoveAllListeners(); |
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} |
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void SamplerChannel::fireEngineToBeChanged() { |
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for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) { |
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llEngineChangeListeners.GetListener(i)->EngineToBeChanged(Index()); |
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} |
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} |
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void SamplerChannel::fireEngineChanged() { |
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for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) { |
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llEngineChangeListeners.GetListener(i)->EngineChanged(Index()); |
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} |
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} |
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MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) { |
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MidiInputPort* pMidiInputPort = NULL; |
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MidiInputDevice* pMidiInputDevice = GetMidiInputDevice(); |
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if (pMidiInputDevice) |
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pMidiInputPort = pMidiInputDevice->GetPort(iMidiPort); |
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return pMidiInputPort; |
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} |
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// ****************************************************************** |
// ****************************************************************** |
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// * Sampler |
// * Sampler |
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Sampler::Sampler() { |
Sampler::Sampler() { |
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eventHandler.SetSampler(this); |
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} |
} |
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Sampler::~Sampler() { |
Sampler::~Sampler() { |
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// delete sampler channels |
Reset(); |
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{ |
} |
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std::vector<SamplerChannel*>::iterator iter = vSamplerChannels.begin(); |
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for (; iter != vSamplerChannels.end(); iter++) delete *iter; |
uint Sampler::SamplerChannels() { |
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return mSamplerChannels.size(); |
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} |
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void Sampler::AddChannelCountListener(ChannelCountListener* l) { |
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llChannelCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveChannelCountListener(ChannelCountListener* l) { |
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llChannelCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireChannelCountChanged(int NewCount) { |
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for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) { |
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llChannelCountListeners.GetListener(i)->ChannelCountChanged(NewCount); |
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} |
} |
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} |
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// delete midi input devices |
void Sampler::fireChannelAdded(SamplerChannel* pChannel) { |
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{ |
for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) { |
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MidiInputDeviceMap::iterator iter = MidiInputDevices.begin(); |
llChannelCountListeners.GetListener(i)->ChannelAdded(pChannel); |
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for (; iter != MidiInputDevices.end(); iter++) { |
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MidiInputDevice* pDevice = iter->second; |
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pDevice->StopListen(); |
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delete pDevice; |
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} |
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} |
} |
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} |
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// delete audio output devices |
void Sampler::fireChannelToBeRemoved(SamplerChannel* pChannel) { |
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{ |
for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) { |
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AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
llChannelCountListeners.GetListener(i)->ChannelToBeRemoved(pChannel); |
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for (; iter != mAudioOutputDevices.end(); iter++) { |
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AudioOutputDevice* pDevice = iter->second; |
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pDevice->Stop(); |
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delete pDevice; |
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} |
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} |
} |
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} |
} |
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uint Sampler::SamplerChannels() { |
void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) { |
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return vSamplerChannels.size(); |
llAudioDeviceCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveAudioDeviceCountListener(AudioDeviceCountListener* l) { |
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llAudioDeviceCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireAudioDeviceCountChanged(int NewCount) { |
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for (int i = 0; i < llAudioDeviceCountListeners.GetListenerCount(); i++) { |
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llAudioDeviceCountListeners.GetListener(i)->AudioDeviceCountChanged(NewCount); |
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} |
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} |
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void Sampler::AddMidiDeviceCountListener(MidiDeviceCountListener* l) { |
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llMidiDeviceCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveMidiDeviceCountListener(MidiDeviceCountListener* l) { |
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llMidiDeviceCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireMidiDeviceCountChanged(int NewCount) { |
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for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) { |
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llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCountChanged(NewCount); |
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} |
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} |
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void Sampler::fireMidiDeviceToBeDestroyed(MidiInputDevice* pDevice) { |
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for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) { |
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llMidiDeviceCountListeners.GetListener(i)->MidiDeviceToBeDestroyed(pDevice); |
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} |
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} |
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void Sampler::fireMidiDeviceCreated(MidiInputDevice* pDevice) { |
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for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) { |
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llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCreated(pDevice); |
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} |
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} |
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void Sampler::AddVoiceCountListener(VoiceCountListener* l) { |
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llVoiceCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveVoiceCountListener(VoiceCountListener* l) { |
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llVoiceCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireVoiceCountChanged(int ChannelId, int NewCount) { |
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for (int i = 0; i < llVoiceCountListeners.GetListenerCount(); i++) { |
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llVoiceCountListeners.GetListener(i)->VoiceCountChanged(ChannelId, NewCount); |
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} |
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} |
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void Sampler::AddStreamCountListener(StreamCountListener* l) { |
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llStreamCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveStreamCountListener(StreamCountListener* l) { |
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llStreamCountListeners.RemoveListener(l); |
357 |
} |
} |
358 |
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359 |
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void Sampler::fireStreamCountChanged(int ChannelId, int NewCount) { |
360 |
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for (int i = 0; i < llStreamCountListeners.GetListenerCount(); i++) { |
361 |
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llStreamCountListeners.GetListener(i)->StreamCountChanged(ChannelId, NewCount); |
362 |
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} |
363 |
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} |
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365 |
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void Sampler::AddBufferFillListener(BufferFillListener* l) { |
366 |
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llBufferFillListeners.AddListener(l); |
367 |
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} |
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369 |
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void Sampler::RemoveBufferFillListener(BufferFillListener* l) { |
370 |
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llBufferFillListeners.RemoveListener(l); |
371 |
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} |
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373 |
|
void Sampler::fireBufferFillChanged(int ChannelId, String FillData) { |
374 |
|
for (int i = 0; i < llBufferFillListeners.GetListenerCount(); i++) { |
375 |
|
llBufferFillListeners.GetListener(i)->BufferFillChanged(ChannelId, FillData); |
376 |
|
} |
377 |
|
} |
378 |
|
|
379 |
|
void Sampler::AddTotalStreamCountListener(TotalStreamCountListener* l) { |
380 |
|
llTotalStreamCountListeners.AddListener(l); |
381 |
|
} |
382 |
|
|
383 |
|
void Sampler::RemoveTotalStreamCountListener(TotalStreamCountListener* l) { |
384 |
|
llTotalStreamCountListeners.RemoveListener(l); |
385 |
|
} |
386 |
|
|
387 |
|
void Sampler::fireTotalStreamCountChanged(int NewCount) { |
388 |
|
for (int i = 0; i < llTotalStreamCountListeners.GetListenerCount(); i++) { |
389 |
|
llTotalStreamCountListeners.GetListener(i)->TotalStreamCountChanged(NewCount); |
390 |
|
} |
391 |
|
} |
392 |
|
|
393 |
|
void Sampler::AddTotalVoiceCountListener(TotalVoiceCountListener* l) { |
394 |
|
llTotalVoiceCountListeners.AddListener(l); |
395 |
|
} |
396 |
|
|
397 |
|
void Sampler::RemoveTotalVoiceCountListener(TotalVoiceCountListener* l) { |
398 |
|
llTotalVoiceCountListeners.RemoveListener(l); |
399 |
|
} |
400 |
|
|
401 |
|
void Sampler::fireTotalVoiceCountChanged(int NewCount) { |
402 |
|
for (int i = 0; i < llTotalVoiceCountListeners.GetListenerCount(); i++) { |
403 |
|
llTotalVoiceCountListeners.GetListener(i)->TotalVoiceCountChanged(NewCount); |
404 |
|
} |
405 |
|
} |
406 |
|
|
407 |
|
void Sampler::AddFxSendCountListener(FxSendCountListener* l) { |
408 |
|
llFxSendCountListeners.AddListener(l); |
409 |
|
} |
410 |
|
|
411 |
|
void Sampler::RemoveFxSendCountListener(FxSendCountListener* l) { |
412 |
|
llFxSendCountListeners.RemoveListener(l); |
413 |
|
} |
414 |
|
|
415 |
|
void Sampler::fireFxSendCountChanged(int ChannelId, int NewCount) { |
416 |
|
for (int i = 0; i < llFxSendCountListeners.GetListenerCount(); i++) { |
417 |
|
llFxSendCountListeners.GetListener(i)->FxSendCountChanged(ChannelId, NewCount); |
418 |
|
} |
419 |
|
} |
420 |
|
|
421 |
|
void Sampler::EventHandler::EngineToBeChanged(int ChannelId) { |
422 |
|
// nothing to do here |
423 |
|
} |
424 |
|
|
425 |
|
void Sampler::EventHandler::EngineChanged(int ChannelId) { |
426 |
|
EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel(); |
427 |
|
if(engineChannel == NULL) return; |
428 |
|
engineChannel->AddFxSendCountListener(this); |
429 |
|
} |
430 |
|
|
431 |
|
void Sampler::EventHandler::FxSendCountChanged(int ChannelId, int NewCount) { |
432 |
|
pSampler->fireFxSendCountChanged(ChannelId, NewCount); |
433 |
|
} |
434 |
|
|
435 |
|
|
436 |
SamplerChannel* Sampler::AddSamplerChannel() { |
SamplerChannel* Sampler::AddSamplerChannel() { |
437 |
|
// if there's no sampler channel yet |
438 |
|
if (!mSamplerChannels.size()) { |
439 |
|
SamplerChannel* pChannel = new SamplerChannel(this); |
440 |
|
mSamplerChannels[0] = pChannel; |
441 |
|
fireChannelAdded(pChannel); |
442 |
|
fireChannelCountChanged(1); |
443 |
|
pChannel->AddEngineChangeListener(&eventHandler); |
444 |
|
return pChannel; |
445 |
|
} |
446 |
|
|
447 |
|
// get the highest used sampler channel index |
448 |
|
uint lastIndex = (--(mSamplerChannels.end()))->first; |
449 |
|
|
450 |
|
// check if we reached the index limit |
451 |
|
if (lastIndex + 1 < lastIndex) { |
452 |
|
// search for an unoccupied sampler channel index starting from 0 |
453 |
|
for (uint i = 0; i < lastIndex; i++) { |
454 |
|
if (mSamplerChannels.find(i) != mSamplerChannels.end()) continue; |
455 |
|
// we found an unused index, so insert the new channel there |
456 |
|
SamplerChannel* pChannel = new SamplerChannel(this); |
457 |
|
mSamplerChannels[i] = pChannel; |
458 |
|
fireChannelAdded(pChannel); |
459 |
|
fireChannelCountChanged(SamplerChannels()); |
460 |
|
pChannel->AddEngineChangeListener(&eventHandler); |
461 |
|
return pChannel; |
462 |
|
} |
463 |
|
throw Exception("Internal error: could not find unoccupied sampler channel index."); |
464 |
|
} |
465 |
|
|
466 |
|
// we have not reached the index limit so we just add the channel past the highest index |
467 |
SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
468 |
vSamplerChannels.push_back(pChannel); |
mSamplerChannels[lastIndex + 1] = pChannel; |
469 |
|
fireChannelAdded(pChannel); |
470 |
|
fireChannelCountChanged(SamplerChannels()); |
471 |
|
pChannel->AddEngineChangeListener(&eventHandler); |
472 |
return pChannel; |
return pChannel; |
473 |
} |
} |
474 |
|
|
475 |
SamplerChannel* Sampler::GetSamplerChannel(uint uiSamplerChannel) { |
SamplerChannel* Sampler::GetSamplerChannel(uint uiSamplerChannel) { |
476 |
if (uiSamplerChannel >= SamplerChannels()) return NULL; |
return (mSamplerChannels.find(uiSamplerChannel) != mSamplerChannels.end()) ? mSamplerChannels[uiSamplerChannel] : NULL; |
477 |
return vSamplerChannels[uiSamplerChannel]; |
} |
478 |
|
|
479 |
|
std::map<uint, SamplerChannel*> Sampler::GetSamplerChannels() { |
480 |
|
return mSamplerChannels; |
481 |
} |
} |
482 |
|
|
483 |
void Sampler::RemoveSamplerChannel(SamplerChannel* pSamplerChannel) { |
void Sampler::RemoveSamplerChannel(SamplerChannel* pSamplerChannel) { |
484 |
std::vector<SamplerChannel*>::iterator iterChan = vSamplerChannels.begin(); |
SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
485 |
for (; iterChan != vSamplerChannels.end(); iterChan++) { |
for (; iterChan != mSamplerChannels.end(); iterChan++) { |
486 |
if (*iterChan == pSamplerChannel) { |
if (iterChan->second == pSamplerChannel) { |
487 |
vSamplerChannels.erase(iterChan); |
fireChannelToBeRemoved(pSamplerChannel); |
488 |
|
pSamplerChannel->RemoveAllEngineChangeListeners(); |
489 |
|
mSamplerChannels.erase(iterChan); |
490 |
delete pSamplerChannel; |
delete pSamplerChannel; |
491 |
|
fireChannelCountChanged(SamplerChannels()); |
492 |
return; |
return; |
493 |
} |
} |
494 |
} |
} |
504 |
return AudioOutputDeviceFactory::AvailableDrivers(); |
return AudioOutputDeviceFactory::AvailableDrivers(); |
505 |
} |
} |
506 |
|
|
507 |
AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) { |
std::vector<String> Sampler::AvailableMidiInputDrivers() { |
508 |
|
return MidiInputDeviceFactory::AvailableDrivers(); |
509 |
|
} |
510 |
|
|
511 |
|
std::vector<String> Sampler::AvailableEngineTypes() { |
512 |
|
return EngineFactory::AvailableEngineTypes(); |
513 |
|
} |
514 |
|
|
515 |
|
AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (Exception) { |
516 |
// create new device |
// create new device |
517 |
AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters); |
AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters); |
518 |
|
|
|
// activate device |
|
|
pDevice->Play(); |
|
|
|
|
519 |
// add new audio device to the audio device list |
// add new audio device to the audio device list |
520 |
for (uint i = 0; ; i++) { // seek for a free place starting from the beginning |
for (uint i = 0; ; i++) { // seek for a free place starting from the beginning |
521 |
if (!mAudioOutputDevices[i]) { |
if (!mAudioOutputDevices[i]) { |
524 |
} |
} |
525 |
} |
} |
526 |
|
|
527 |
|
fireAudioDeviceCountChanged(AudioOutputDevices()); |
528 |
return pDevice; |
return pDevice; |
529 |
} |
} |
530 |
|
|
532 |
return mAudioOutputDevices.size(); |
return mAudioOutputDevices.size(); |
533 |
} |
} |
534 |
|
|
535 |
|
uint Sampler::MidiInputDevices() { |
536 |
|
return mMidiInputDevices.size(); |
537 |
|
} |
538 |
|
|
539 |
std::map<uint, AudioOutputDevice*> Sampler::GetAudioOutputDevices() { |
std::map<uint, AudioOutputDevice*> Sampler::GetAudioOutputDevices() { |
540 |
return mAudioOutputDevices; |
return mAudioOutputDevices; |
541 |
} |
} |
542 |
|
|
543 |
void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (LinuxSamplerException) { |
std::map<uint, MidiInputDevice*> Sampler::GetMidiInputDevices() { |
544 |
|
return mMidiInputDevices; |
545 |
|
} |
546 |
|
|
547 |
|
void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception) { |
548 |
AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
549 |
for (; iter != mAudioOutputDevices.end(); iter++) { |
for (; iter != mAudioOutputDevices.end(); iter++) { |
550 |
if (iter->second == pDevice) { |
if (iter->second == pDevice) { |
551 |
// check if there are still sampler engines connected to this device |
// check if there are still sampler engines connected to this device |
552 |
for (uint i = 0; i < SamplerChannels(); i++) |
for (uint i = 0; i < SamplerChannels(); i++) |
553 |
if (GetSamplerChannel(i)->GetAudioOutputDevice() == pDevice) throw LinuxSamplerException("Sampler channel " + ToString(i) + " is still connected to the audio output device."); |
if (GetSamplerChannel(i)->GetAudioOutputDevice() == pDevice) throw Exception("Sampler channel " + ToString(i) + " is still connected to the audio output device."); |
554 |
|
|
555 |
// disable device |
// disable device |
556 |
pDevice->Stop(); |
pDevice->Stop(); |
560 |
|
|
561 |
// destroy and free device from memory |
// destroy and free device from memory |
562 |
delete pDevice; |
delete pDevice; |
563 |
|
|
564 |
|
fireAudioDeviceCountChanged(AudioOutputDevices()); |
565 |
|
break; |
566 |
} |
} |
567 |
} |
} |
568 |
} |
} |
569 |
|
|
570 |
MidiInputDevice* Sampler::CreateMidiInputDevice(MidiInputDevice::type_t MidiType) { |
void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) { |
571 |
// check if device already created |
MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); |
572 |
MidiInputDevice* pDevice = GetMidiInputDevice(MidiType); |
for (; iter != mMidiInputDevices.end(); iter++) { |
573 |
if (pDevice) return pDevice; |
if (iter->second == pDevice) { |
574 |
|
// check if there are still sampler engines connected to this device |
575 |
|
for (uint i = 0; i < SamplerChannels(); i++) |
576 |
|
if (GetSamplerChannel(i)->GetMidiInputDevice() == pDevice) throw Exception("Sampler channel " + ToString(i) + " is still connected to the midi input device."); |
577 |
|
|
578 |
// create new device |
fireMidiDeviceToBeDestroyed(pDevice); |
579 |
switch (MidiType) { |
|
580 |
case MidiInputDevice::type_alsa: |
// disable device |
581 |
pDevice = new MidiInputDeviceAlsa; |
pDevice->StopListen(); |
582 |
|
|
583 |
|
// remove device from the device list |
584 |
|
mMidiInputDevices.erase(iter); |
585 |
|
|
586 |
|
// destroy and free device from memory |
587 |
|
delete pDevice; |
588 |
|
|
589 |
|
fireMidiDeviceCountChanged(MidiInputDevices()); |
590 |
break; |
break; |
591 |
default: |
} |
|
throw LinuxSamplerException("Unknown audio output device type"); |
|
592 |
} |
} |
593 |
|
} |
594 |
|
|
595 |
// activate device |
MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (Exception) { |
596 |
pDevice->Listen(); |
// create new device |
597 |
|
MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this); |
598 |
|
|
599 |
// add new MIDI device to the MIDI device list |
// add new device to the midi device list |
600 |
MidiInputDevices[MidiType] = pDevice; |
for (uint i = 0; ; i++) { // seek for a free place starting from the beginning |
601 |
|
if (!mMidiInputDevices[i]) { |
602 |
|
mMidiInputDevices[i] = pDevice; |
603 |
|
break; |
604 |
|
} |
605 |
|
} |
606 |
|
|
607 |
|
fireMidiDeviceCreated(pDevice); |
608 |
|
fireMidiDeviceCountChanged(MidiInputDevices()); |
609 |
return pDevice; |
return pDevice; |
610 |
} |
} |
611 |
|
|
612 |
MidiInputDevice* Sampler::GetMidiInputDevice(MidiInputDevice::type_t MidiType) { |
int Sampler::GetDiskStreamCount() { |
613 |
MidiInputDeviceMap::iterator iter = MidiInputDevices.find(MidiType); |
int count = 0; |
614 |
return (iter != MidiInputDevices.end()) ? iter->second : NULL; |
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
615 |
|
|
616 |
|
for(; it != EngineFactory::EngineInstances().end(); it++) { |
617 |
|
count += (*it)->DiskStreamCount(); |
618 |
|
} |
619 |
|
|
620 |
|
return count; |
621 |
|
} |
622 |
|
|
623 |
|
int Sampler::GetVoiceCount() { |
624 |
|
int count = 0; |
625 |
|
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
626 |
|
|
627 |
|
for(; it != EngineFactory::EngineInstances().end(); it++) { |
628 |
|
count += (*it)->VoiceCount(); |
629 |
|
} |
630 |
|
|
631 |
|
return count; |
632 |
|
} |
633 |
|
|
634 |
|
void Sampler::Reset() { |
635 |
|
// delete sampler channels |
636 |
|
try { |
637 |
|
while (true) { |
638 |
|
SamplerChannelMap::iterator iter = mSamplerChannels.begin(); |
639 |
|
if (iter == mSamplerChannels.end()) break; |
640 |
|
RemoveSamplerChannel(iter->second); |
641 |
|
} |
642 |
|
} |
643 |
|
catch(...) { |
644 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all sampler channels, exiting.\n" << std::flush; |
645 |
|
exit(EXIT_FAILURE); |
646 |
|
} |
647 |
|
|
648 |
|
// delete midi input devices |
649 |
|
try { |
650 |
|
while (true) { |
651 |
|
MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); |
652 |
|
if (iter == mMidiInputDevices.end()) break; |
653 |
|
DestroyMidiInputDevice(iter->second); |
654 |
|
} |
655 |
|
} |
656 |
|
catch(...) { |
657 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI input devices, exiting.\n" << std::flush; |
658 |
|
exit(EXIT_FAILURE); |
659 |
|
} |
660 |
|
|
661 |
|
// delete audio output devices |
662 |
|
try { |
663 |
|
while (true) { |
664 |
|
AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
665 |
|
if (iter == mAudioOutputDevices.end()) break; |
666 |
|
DestroyAudioOutputDevice(iter->second); |
667 |
|
} |
668 |
|
} |
669 |
|
catch(...) { |
670 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush; |
671 |
|
exit(EXIT_FAILURE); |
672 |
|
} |
673 |
|
|
674 |
|
// delete MIDI instrument maps |
675 |
|
try { |
676 |
|
MidiInstrumentMapper::RemoveAllMaps(); |
677 |
|
} |
678 |
|
catch(...) { |
679 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush; |
680 |
|
exit(EXIT_FAILURE); |
681 |
|
} |
682 |
|
|
683 |
|
// unload all instrument editor DLLs |
684 |
|
InstrumentEditorFactory::ClosePlugins(); |
685 |
|
} |
686 |
|
|
687 |
|
bool Sampler::EnableDenormalsAreZeroMode() { |
688 |
|
Features::detect(); |
689 |
|
return Features::enableDenormalsAreZeroMode(); |
690 |
} |
} |
691 |
|
|
692 |
} // namespace LinuxSampler |
} // namespace LinuxSampler |