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* * |
* * |
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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 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 - 2007 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 <sstream> |
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#include "Sampler.h" |
#include "Sampler.h" |
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#include "audiodriver/AudioOutputDeviceAlsa.h" |
#include "engines/EngineFactory.h" |
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#include "audiodriver/AudioOutputDeviceJack.h" |
#include "engines/EngineChannelFactory.h" |
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#include "mididriver/MidiInputDeviceAlsa.h" |
#include "drivers/audio/AudioOutputDeviceFactory.h" |
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#include "engines/gig/Engine.h" |
#include "drivers/midi/MidiInputDeviceFactory.h" |
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#include "drivers/midi/MidiInstrumentMapper.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(1,("SamplerChannel: Loading engine\n")); |
dmsg(2,("SamplerChannel: Assigning engine type...")); |
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// create new engine |
// create new engine channel |
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Engine* pNewEngine = NULL; |
EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType); |
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switch (EngineType) { |
if (!pNewEngineChannel) throw Exception("Unknown engine type"); |
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case engine_type_gig: |
|
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pNewEngine = new gig::Engine; |
//FIXME: hack to allow fast retrieval of engine channel's sampler channel index |
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break; |
pNewEngineChannel->iSamplerChannelIndex = Index(); |
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default: |
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throw LinuxSamplerException("Unknown engine type"); |
// 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()); |
dmsg(2,("OK\n")); |
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if (pAudioOutputDevice) pAudioOutputDevice->Connect(pNewEngine); |
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dmsg(1,("SamplerChannel: Engine loaded.\n")); |
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} |
} |
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void SamplerChannel::SetAudioOutputDevice(audio_output_type_t AudioType) { |
void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) { |
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// get / create desired audio device |
if(pAudioOutputDevice == pDevice) return; |
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AudioOutputDevice* pDevice = pSampler->GetAudioOutputDevice(AudioType); |
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if (!pDevice) pDevice = pSampler->CreateAudioOutputDevice(AudioType); |
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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(midi_input_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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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::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::AddAudioDeviceCountListener(AudioDeviceCountListener* l) { |
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{ |
llAudioDeviceCountListeners.AddListener(l); |
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MidiInputDeviceMap::iterator iter = MidiInputDevices.begin(); |
} |
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for (; iter != MidiInputDevices.end(); iter++) { |
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MidiInputDevice* pDevice = iter->second; |
void Sampler::RemoveAudioDeviceCountListener(AudioDeviceCountListener* l) { |
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pDevice->StopListen(); |
llAudioDeviceCountListeners.RemoveListener(l); |
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delete pDevice; |
} |
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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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// delete audio output devices |
void Sampler::AddMidiDeviceCountListener(MidiDeviceCountListener* l) { |
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{ |
llMidiDeviceCountListeners.AddListener(l); |
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AudioOutputDeviceMap::iterator iter = AudioOutputDevices.begin(); |
} |
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for (; iter != AudioOutputDevices.end(); iter++) { |
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AudioOutputDevice* pDevice = iter->second; |
void Sampler::RemoveMidiDeviceCountListener(MidiDeviceCountListener* l) { |
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pDevice->Stop(); |
llMidiDeviceCountListeners.RemoveListener(l); |
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delete pDevice; |
} |
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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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uint Sampler::SamplerChannels() { |
void Sampler::AddVoiceCountListener(VoiceCountListener* l) { |
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vSamplerChannels.size(); |
llVoiceCountListeners.AddListener(l); |
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} |
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296 |
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void Sampler::RemoveVoiceCountListener(VoiceCountListener* l) { |
297 |
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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); |
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} |
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void Sampler::fireStreamCountChanged(int ChannelId, int NewCount) { |
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for (int i = 0; i < llStreamCountListeners.GetListenerCount(); i++) { |
316 |
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llStreamCountListeners.GetListener(i)->StreamCountChanged(ChannelId, NewCount); |
317 |
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} |
318 |
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} |
319 |
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320 |
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void Sampler::AddBufferFillListener(BufferFillListener* l) { |
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llBufferFillListeners.AddListener(l); |
322 |
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} |
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void Sampler::RemoveBufferFillListener(BufferFillListener* l) { |
325 |
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llBufferFillListeners.RemoveListener(l); |
326 |
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} |
327 |
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void Sampler::fireBufferFillChanged(int ChannelId, String FillData) { |
329 |
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for (int i = 0; i < llBufferFillListeners.GetListenerCount(); i++) { |
330 |
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llBufferFillListeners.GetListener(i)->BufferFillChanged(ChannelId, FillData); |
331 |
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} |
332 |
} |
} |
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void Sampler::AddTotalVoiceCountListener(TotalVoiceCountListener* l) { |
335 |
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llTotalVoiceCountListeners.AddListener(l); |
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} |
337 |
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338 |
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void Sampler::RemoveTotalVoiceCountListener(TotalVoiceCountListener* l) { |
339 |
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llTotalVoiceCountListeners.RemoveListener(l); |
340 |
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} |
341 |
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342 |
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void Sampler::fireTotalVoiceCountChanged(int NewCount) { |
343 |
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for (int i = 0; i < llTotalVoiceCountListeners.GetListenerCount(); i++) { |
344 |
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llTotalVoiceCountListeners.GetListener(i)->TotalVoiceCountChanged(NewCount); |
345 |
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} |
346 |
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} |
347 |
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348 |
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void Sampler::AddFxSendCountListener(FxSendCountListener* l) { |
349 |
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llFxSendCountListeners.AddListener(l); |
350 |
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} |
351 |
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352 |
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void Sampler::RemoveFxSendCountListener(FxSendCountListener* l) { |
353 |
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llFxSendCountListeners.RemoveListener(l); |
354 |
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} |
355 |
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356 |
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void Sampler::fireFxSendCountChanged(int ChannelId, int NewCount) { |
357 |
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for (int i = 0; i < llFxSendCountListeners.GetListenerCount(); i++) { |
358 |
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llFxSendCountListeners.GetListener(i)->FxSendCountChanged(ChannelId, NewCount); |
359 |
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} |
360 |
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} |
361 |
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362 |
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void Sampler::EventHandler::EngineChanged(int ChannelId) { |
363 |
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EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel(); |
364 |
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if(engineChannel == NULL) return; |
365 |
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engineChannel->AddFxSendCountListener(this); |
366 |
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} |
367 |
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368 |
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void Sampler::EventHandler::FxSendCountChanged(int ChannelId, int NewCount) { |
369 |
|
pSampler->fireFxSendCountChanged(ChannelId, NewCount); |
370 |
|
} |
371 |
|
|
372 |
|
|
373 |
SamplerChannel* Sampler::AddSamplerChannel() { |
SamplerChannel* Sampler::AddSamplerChannel() { |
374 |
|
// if there's no sampler channel yet |
375 |
|
if (!mSamplerChannels.size()) { |
376 |
|
SamplerChannel* pChannel = new SamplerChannel(this); |
377 |
|
mSamplerChannels[0] = pChannel; |
378 |
|
fireChannelCountChanged(1); |
379 |
|
pChannel->AddEngineChangeListener(&eventHandler); |
380 |
|
return pChannel; |
381 |
|
} |
382 |
|
|
383 |
|
// get the highest used sampler channel index |
384 |
|
uint lastIndex = (--(mSamplerChannels.end()))->first; |
385 |
|
|
386 |
|
// check if we reached the index limit |
387 |
|
if (lastIndex + 1 < lastIndex) { |
388 |
|
// search for an unoccupied sampler channel index starting from 0 |
389 |
|
for (uint i = 0; i < lastIndex; i++) { |
390 |
|
if (mSamplerChannels.find(i) != mSamplerChannels.end()) continue; |
391 |
|
// we found an unused index, so insert the new channel there |
392 |
|
SamplerChannel* pChannel = new SamplerChannel(this); |
393 |
|
mSamplerChannels[i] = pChannel; |
394 |
|
fireChannelCountChanged(SamplerChannels()); |
395 |
|
pChannel->AddEngineChangeListener(&eventHandler); |
396 |
|
return pChannel; |
397 |
|
} |
398 |
|
throw Exception("Internal error: could not find unoccupied sampler channel index."); |
399 |
|
} |
400 |
|
|
401 |
|
// we have not reached the index limit so we just add the channel past the highest index |
402 |
SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
403 |
vSamplerChannels.push_back(pChannel); |
mSamplerChannels[lastIndex + 1] = pChannel; |
404 |
|
fireChannelCountChanged(SamplerChannels()); |
405 |
|
pChannel->AddEngineChangeListener(&eventHandler); |
406 |
return pChannel; |
return pChannel; |
407 |
} |
} |
408 |
|
|
409 |
SamplerChannel* Sampler::GetSamplerChannel(uint uiSamplerChannel) { |
SamplerChannel* Sampler::GetSamplerChannel(uint uiSamplerChannel) { |
410 |
if (uiSamplerChannel >= SamplerChannels()) return NULL; |
return (mSamplerChannels.find(uiSamplerChannel) != mSamplerChannels.end()) ? mSamplerChannels[uiSamplerChannel] : NULL; |
411 |
return vSamplerChannels[uiSamplerChannel]; |
} |
412 |
|
|
413 |
|
std::map<uint, SamplerChannel*> Sampler::GetSamplerChannels() { |
414 |
|
return mSamplerChannels; |
415 |
} |
} |
416 |
|
|
417 |
void Sampler::RemoveSamplerChannel(SamplerChannel* pSamplerChannel) { |
void Sampler::RemoveSamplerChannel(SamplerChannel* pSamplerChannel) { |
418 |
std::vector<SamplerChannel*>::iterator iterChan = vSamplerChannels.begin(); |
SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
419 |
for (; iterChan != vSamplerChannels.end(); iterChan++) { |
for (; iterChan != mSamplerChannels.end(); iterChan++) { |
420 |
if (*iterChan == pSamplerChannel) { |
if (iterChan->second == pSamplerChannel) { |
421 |
vSamplerChannels.erase(iterChan); |
pSamplerChannel->RemoveAllEngineChangeListeners(); |
422 |
|
mSamplerChannels.erase(iterChan); |
423 |
delete pSamplerChannel; |
delete pSamplerChannel; |
424 |
|
fireChannelCountChanged(SamplerChannels()); |
425 |
return; |
return; |
426 |
} |
} |
427 |
} |
} |
433 |
RemoveSamplerChannel(pChannel); |
RemoveSamplerChannel(pChannel); |
434 |
} |
} |
435 |
|
|
436 |
AudioOutputDevice* Sampler::CreateAudioOutputDevice(audio_output_type_t AudioType) { |
std::vector<String> Sampler::AvailableAudioOutputDrivers() { |
437 |
// check if device already created |
return AudioOutputDeviceFactory::AvailableDrivers(); |
438 |
AudioOutputDevice* pDevice = GetAudioOutputDevice(AudioType); |
} |
|
if (pDevice) return pDevice; |
|
439 |
|
|
440 |
|
std::vector<String> Sampler::AvailableMidiInputDrivers() { |
441 |
|
return MidiInputDeviceFactory::AvailableDrivers(); |
442 |
|
} |
443 |
|
|
444 |
|
std::vector<String> Sampler::AvailableEngineTypes() { |
445 |
|
return EngineFactory::AvailableEngineTypes(); |
446 |
|
} |
447 |
|
|
448 |
|
AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (Exception) { |
449 |
// create new device |
// create new device |
450 |
switch (AudioType) { |
AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters); |
451 |
case audio_output_type_alsa: |
|
452 |
pDevice = new AudioOutputDeviceAlsa; |
// add new audio device to the audio device list |
453 |
break; |
for (uint i = 0; ; i++) { // seek for a free place starting from the beginning |
454 |
case audio_output_type_jack: |
if (!mAudioOutputDevices[i]) { |
455 |
pDevice = new AudioOutputDeviceJack; |
mAudioOutputDevices[i] = pDevice; |
456 |
break; |
break; |
457 |
default: |
} |
|
throw LinuxSamplerException("Unknown audio output device type"); |
|
458 |
} |
} |
459 |
|
|
460 |
// activate device |
fireAudioDeviceCountChanged(AudioOutputDevices()); |
|
pDevice->Play(); |
|
|
|
|
461 |
return pDevice; |
return pDevice; |
462 |
} |
} |
463 |
|
|
464 |
AudioOutputDevice* Sampler::GetAudioOutputDevice(audio_output_type_t AudioType) { |
uint Sampler::AudioOutputDevices() { |
465 |
AudioOutputDeviceMap::iterator iter = AudioOutputDevices.find(AudioType); |
return mAudioOutputDevices.size(); |
|
return (iter != AudioOutputDevices.end()) ? iter->second : NULL; |
|
466 |
} |
} |
467 |
|
|
468 |
MidiInputDevice* Sampler::CreateMidiInputDevice(midi_input_type_t MidiType) { |
uint Sampler::MidiInputDevices() { |
469 |
// check if device already created |
return mMidiInputDevices.size(); |
470 |
MidiInputDevice* pDevice = GetMidiInputDevice(MidiType); |
} |
|
if (pDevice) return pDevice; |
|
471 |
|
|
472 |
// create new device |
std::map<uint, AudioOutputDevice*> Sampler::GetAudioOutputDevices() { |
473 |
switch (MidiType) { |
return mAudioOutputDevices; |
474 |
case midi_input_type_alsa: |
} |
475 |
pDevice = new MidiInputDeviceAlsa; |
|
476 |
|
std::map<uint, MidiInputDevice*> Sampler::GetMidiInputDevices() { |
477 |
|
return mMidiInputDevices; |
478 |
|
} |
479 |
|
|
480 |
|
void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception) { |
481 |
|
AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
482 |
|
for (; iter != mAudioOutputDevices.end(); iter++) { |
483 |
|
if (iter->second == pDevice) { |
484 |
|
// check if there are still sampler engines connected to this device |
485 |
|
for (uint i = 0; i < SamplerChannels(); i++) |
486 |
|
if (GetSamplerChannel(i)->GetAudioOutputDevice() == pDevice) throw Exception("Sampler channel " + ToString(i) + " is still connected to the audio output device."); |
487 |
|
|
488 |
|
// disable device |
489 |
|
pDevice->Stop(); |
490 |
|
|
491 |
|
// remove device from the device list |
492 |
|
mAudioOutputDevices.erase(iter); |
493 |
|
|
494 |
|
// destroy and free device from memory |
495 |
|
delete pDevice; |
496 |
|
|
497 |
|
fireAudioDeviceCountChanged(AudioOutputDevices()); |
498 |
break; |
break; |
499 |
default: |
} |
|
throw LinuxSamplerException("Unknown audio output device type"); |
|
500 |
} |
} |
501 |
|
} |
502 |
|
|
503 |
|
void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) { |
504 |
|
MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); |
505 |
|
for (; iter != mMidiInputDevices.end(); iter++) { |
506 |
|
if (iter->second == pDevice) { |
507 |
|
// check if there are still sampler engines connected to this device |
508 |
|
for (uint i = 0; i < SamplerChannels(); i++) |
509 |
|
if (GetSamplerChannel(i)->GetMidiInputDevice() == pDevice) throw Exception("Sampler channel " + ToString(i) + " is still connected to the midi input device."); |
510 |
|
|
511 |
// activate device |
// disable device |
512 |
pDevice->Listen(); |
pDevice->StopListen(); |
513 |
|
|
514 |
|
// remove device from the device list |
515 |
|
mMidiInputDevices.erase(iter); |
516 |
|
|
517 |
|
// destroy and free device from memory |
518 |
|
delete pDevice; |
519 |
|
|
520 |
|
fireMidiDeviceCountChanged(MidiInputDevices()); |
521 |
|
break; |
522 |
|
} |
523 |
|
} |
524 |
|
} |
525 |
|
|
526 |
|
MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (Exception) { |
527 |
|
// create new device |
528 |
|
MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this); |
529 |
|
|
530 |
|
// add new device to the midi device list |
531 |
|
for (uint i = 0; ; i++) { // seek for a free place starting from the beginning |
532 |
|
if (!mMidiInputDevices[i]) { |
533 |
|
mMidiInputDevices[i] = pDevice; |
534 |
|
break; |
535 |
|
} |
536 |
|
} |
537 |
|
|
538 |
|
fireMidiDeviceCountChanged(MidiInputDevices()); |
539 |
return pDevice; |
return pDevice; |
540 |
} |
} |
541 |
|
|
542 |
MidiInputDevice* Sampler::GetMidiInputDevice(midi_input_type_t MidiType) { |
int Sampler::GetVoiceCount() { |
543 |
MidiInputDeviceMap::iterator iter = MidiInputDevices.find(MidiType); |
int count = 0; |
544 |
return (iter != MidiInputDevices.end()) ? iter->second : NULL; |
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
545 |
|
|
546 |
|
for(; it != EngineFactory::EngineInstances().end(); it++) { |
547 |
|
count += (*it)->VoiceCount(); |
548 |
|
} |
549 |
|
|
550 |
|
return count; |
551 |
|
} |
552 |
|
|
553 |
|
void Sampler::Reset() { |
554 |
|
// delete sampler channels |
555 |
|
try { |
556 |
|
while (true) { |
557 |
|
SamplerChannelMap::iterator iter = mSamplerChannels.begin(); |
558 |
|
if (iter == mSamplerChannels.end()) break; |
559 |
|
RemoveSamplerChannel(iter->second); |
560 |
|
} |
561 |
|
} |
562 |
|
catch(...) { |
563 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all sampler channels, exiting.\n" << std::flush; |
564 |
|
exit(EXIT_FAILURE); |
565 |
|
} |
566 |
|
|
567 |
|
// delete midi input devices |
568 |
|
try { |
569 |
|
while (true) { |
570 |
|
MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); |
571 |
|
if (iter == mMidiInputDevices.end()) break; |
572 |
|
DestroyMidiInputDevice(iter->second); |
573 |
|
} |
574 |
|
} |
575 |
|
catch(...) { |
576 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI input devices, exiting.\n" << std::flush; |
577 |
|
exit(EXIT_FAILURE); |
578 |
|
} |
579 |
|
|
580 |
|
// delete audio output devices |
581 |
|
try { |
582 |
|
while (true) { |
583 |
|
AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
584 |
|
if (iter == mAudioOutputDevices.end()) break; |
585 |
|
DestroyAudioOutputDevice(iter->second); |
586 |
|
} |
587 |
|
} |
588 |
|
catch(...) { |
589 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush; |
590 |
|
exit(EXIT_FAILURE); |
591 |
|
} |
592 |
|
|
593 |
|
// delete MIDI instrument maps |
594 |
|
try { |
595 |
|
MidiInstrumentMapper::RemoveAllMaps(); |
596 |
|
} |
597 |
|
catch(...) { |
598 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush; |
599 |
|
exit(EXIT_FAILURE); |
600 |
|
} |
601 |
} |
} |
602 |
|
|
603 |
} // namespace LinuxSampler |
} // namespace LinuxSampler |