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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 * |
* Copyright (C) 2005 - 2009 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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#include "EngineChannel.h" |
#include "EngineChannel.h" |
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#include "../../common/global_private.h" |
#include "../../common/global_private.h" |
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#include "../../Sampler.h" |
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namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
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SoloMode = false; |
SoloMode = false; |
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PortamentoMode = false; |
PortamentoMode = false; |
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PortamentoTime = CONFIG_PORTAMENTO_TIME_DEFAULT; |
PortamentoTime = CONFIG_PORTAMENTO_TIME_DEFAULT; |
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// reset the instrument change command struct (need to be done |
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// twice, as it is double buffered) |
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{ |
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instrument_change_command_t& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
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cmd.pDimRegionsInUse = NULL; |
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cmd.pInstrument = NULL; |
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cmd.bChangeInstrument = false; |
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} |
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{ |
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instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig(); |
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cmd.pDimRegionsInUse = NULL; |
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cmd.pInstrument = NULL; |
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cmd.bChangeInstrument = false; |
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} |
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} |
} |
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EngineChannel::~EngineChannel() { |
EngineChannel::~EngineChannel() { |
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DisconnectAudioOutputDevice(); |
DisconnectAudioOutputDevice(); |
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// In case the channel was removed before the instrument was |
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// fully loaded, try to give back instrument again (see bug #113) |
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instrument_change_command_t& cmd = ChangeInstrument(NULL); |
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if (cmd.pInstrument) { |
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Engine::instruments.HandBack(cmd.pInstrument, this); |
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} |
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/////// |
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if (pEventQueue) delete pEventQueue; |
if (pEventQueue) delete pEventQueue; |
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if (pActiveKeys) delete pActiveKeys; |
if (pActiveKeys) delete pActiveKeys; |
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if (pMIDIKeyInfo) delete[] pMIDIKeyInfo; |
if (pMIDIKeyInfo) delete[] pMIDIKeyInfo; |
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cmd.bChangeInstrument = false; |
cmd.bChangeInstrument = false; |
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} |
} |
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if (pInstrument != NULL) { |
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pInstrument = NULL; |
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InstrumentStat = -1; |
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InstrumentIdx = -1; |
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InstrumentIdxName = ""; |
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InstrumentFile = ""; |
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bStatusChanged = true; |
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} |
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for (uint i = 0; i < 128; i++) { |
for (uint i = 0; i < 128; i++) { |
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pMIDIKeyInfo[i].pActiveVoices = new RTList<Voice>(pEngine->pVoicePool); |
pMIDIKeyInfo[i].pActiveVoices = new RTList<Voice>(pEngine->pVoicePool); |
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pMIDIKeyInfo[i].pEvents = new RTList<Event>(pEngine->pEventPool); |
pMIDIKeyInfo[i].pEvents = new RTList<Event>(pEngine->pEventPool); |
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void EngineChannel::DisconnectAudioOutputDevice() { |
void EngineChannel::DisconnectAudioOutputDevice() { |
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if (pEngine) { // if clause to prevent disconnect loops |
if (pEngine) { // if clause to prevent disconnect loops |
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ResetInternal(); |
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// delete the structures used for instrument change |
// delete the structures used for instrument change |
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RTList< ::gig::DimensionRegion*>* d = InstrumentChangeCommand.GetConfigForUpdate().pDimRegionsInUse; |
RTList< ::gig::DimensionRegion*>* d = InstrumentChangeCommand.GetConfigForUpdate().pDimRegionsInUse; |
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if (d) delete d; |
if (d) delete d; |
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EngineChannel::instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig(); |
EngineChannel::instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig(); |
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d = cmd.pDimRegionsInUse; |
d = cmd.pDimRegionsInUse; |
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if (d) delete d; |
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if (cmd.pInstrument) { |
if (cmd.pInstrument) { |
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// release the currently loaded instrument |
// release the currently loaded instrument |
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Engine::instruments.HandBackInstrument(cmd.pInstrument, this, d); |
Engine::instruments.HandBack(cmd.pInstrument, this); |
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} |
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if (d) delete d; |
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// release all active dimension regions to resource |
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// manager |
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RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
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RTList<uint>::Iterator end = pActiveKeys->end(); |
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while (iuiKey != end) { // iterate through all active keys |
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midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey]; |
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++iuiKey; |
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RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
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RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
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for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
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Engine::instruments.HandBackDimReg(itVoice->pDimRgn); |
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} |
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} |
} |
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ResetInternal(); |
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if (pEvents) { |
if (pEvents) { |
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delete pEvents; |
delete pEvents; |
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pEvents = NULL; |
pEvents = NULL; |
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pMIDIKeyInfo[i].pEvents = NULL; |
pMIDIKeyInfo[i].pEvents = NULL; |
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} |
} |
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} |
} |
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Engine* oldEngine = pEngine; |
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AudioOutputDevice* oldAudioDevice = pEngine->pAudioOutputDevice; |
AudioOutputDevice* oldAudioDevice = pEngine->pAudioOutputDevice; |
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pEngine = NULL; |
pEngine = NULL; |
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Engine::FreeEngine(this, oldAudioDevice); |
Engine::FreeEngine(this, oldAudioDevice); |
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} |
} |
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fxSends.push_back(pFxSend); |
fxSends.push_back(pFxSend); |
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if (pEngine) pEngine->Enable(); |
if (pEngine) pEngine->Enable(); |
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fireFxSendCountChanged(iSamplerChannelIndex, GetFxSendCount()); |
fireFxSendCountChanged(GetSamplerChannel()->Index(), GetFxSendCount()); |
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return pFxSend; |
return pFxSend; |
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} |
} |
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} |
} |
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} |
} |
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if (pEngine) pEngine->Enable(); |
if (pEngine) pEngine->Enable(); |
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fireFxSendCountChanged(iSamplerChannelIndex, GetFxSendCount()); |
fireFxSendCountChanged(GetSamplerChannel()->Index(), GetFxSendCount()); |
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} |
} |
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/** |
/** |
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} |
} |
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} |
} |
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/** |
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* Will be called by the MIDIIn Thread to signal that a program |
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* change should be performed. As a program change isn't |
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* real-time safe, the actual change is performed by the disk |
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* thread. |
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* |
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* @param Program - MIDI program change number |
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*/ |
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void EngineChannel::SendProgramChange(uint8_t Program) { |
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if (pEngine) { |
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pEngine->pDiskThread->OrderProgramChange(Program, this); |
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} |
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} |
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void EngineChannel::ClearEventLists() { |
void EngineChannel::ClearEventLists() { |
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pEvents->clear(); |
pEvents->clear(); |
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// empty MIDI key specific event lists |
// empty MIDI key specific event lists |
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MidiVolume = 1.0; |
MidiVolume = 1.0; |
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GlobalPanLeft = 1.0f; |
GlobalPanLeft = 1.0f; |
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GlobalPanRight = 1.0f; |
GlobalPanRight = 1.0f; |
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iLastPanRequest = 64; |
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GlobalTranspose = 0; |
GlobalTranspose = 0; |
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// set all MIDI controller values to zero |
// set all MIDI controller values to zero |
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memset(ControllerTable, 0x00, 129); |
memset(ControllerTable, 0x00, 129); |
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bStatusChanged = true; // status of engine channel has changed, so set notify flag |
bStatusChanged = true; // status of engine channel has changed, so set notify flag |
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} |
} |
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float EngineChannel::Pan() { |
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return float(iLastPanRequest - 64) / 64.0f; |
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} |
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void EngineChannel::Pan(float f) { |
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int iMidiPan = int(f * 64.0f) + 64; |
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if (iMidiPan > 127) iMidiPan = 127; |
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else if (iMidiPan < 0) iMidiPan = 0; |
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GlobalPanLeft = Engine::PanCurve[128 - iMidiPan]; |
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GlobalPanRight = Engine::PanCurve[iMidiPan]; |
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iLastPanRequest = iMidiPan; |
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} |
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uint EngineChannel::Channels() { |
uint EngineChannel::Channels() { |
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return 2; |
return 2; |
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} |
} |
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return LS_GIG_ENGINE_NAME; |
return LS_GIG_ENGINE_NAME; |
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} |
} |
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void EngineChannel::ClearDimRegionsInUse() { |
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{ |
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instrument_change_command_t& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
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if(cmd.pDimRegionsInUse != NULL) cmd.pDimRegionsInUse->clear(); |
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} |
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{ |
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instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig(); |
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if(cmd.pDimRegionsInUse != NULL) cmd.pDimRegionsInUse->clear(); |
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} |
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} |
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void EngineChannel::ResetDimRegionsInUse() { |
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{ |
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instrument_change_command_t& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
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if(cmd.pDimRegionsInUse != NULL) { |
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delete cmd.pDimRegionsInUse; |
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cmd.pDimRegionsInUse = new RTList< ::gig::DimensionRegion*>(pEngine->pDimRegionPool[0]); |
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} |
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} |
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{ |
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instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig(); |
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if(cmd.pDimRegionsInUse != NULL) { |
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delete cmd.pDimRegionsInUse; |
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cmd.pDimRegionsInUse = new RTList< ::gig::DimensionRegion*>(pEngine->pDimRegionPool[1]); |
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} |
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} |
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} |
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}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |