2 |
* * |
* * |
3 |
* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
6 |
|
* Copyright (C) 2005-2009 Christian Schoenebeck * |
7 |
|
* Copyright (C) 2009 Grigor Iliev * |
8 |
* * |
* * |
9 |
* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
10 |
* 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 * |
22 |
* MA 02111-1307 USA * |
* MA 02111-1307 USA * |
23 |
***************************************************************************/ |
***************************************************************************/ |
24 |
|
|
|
#include <sstream> |
|
|
#include "DiskThread.h" |
|
|
#include "Voice.h" |
|
|
|
|
25 |
#include "Engine.h" |
#include "Engine.h" |
26 |
|
#include "EngineChannel.h" |
27 |
|
|
28 |
namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
29 |
|
Engine::Format Engine::GetEngineFormat() { return GIG; } |
|
InstrumentResourceManager Engine::Instruments; |
|
|
|
|
|
Engine::Engine() { |
|
|
pRIFF = NULL; |
|
|
pGig = NULL; |
|
|
pInstrument = NULL; |
|
|
pAudioOutputDevice = NULL; |
|
|
pDiskThread = NULL; |
|
|
pEventGenerator = NULL; |
|
|
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT); |
|
|
pEventPool = new RTELMemoryPool<Event>(MAX_EVENTS_PER_FRAGMENT); |
|
|
pVoicePool = new RTELMemoryPool<Voice>(MAX_AUDIO_VOICES); |
|
|
pActiveKeys = new RTELMemoryPool<uint>(128); |
|
|
pEvents = new RTEList<Event>(pEventPool); |
|
|
pCCEvents = new RTEList<Event>(pEventPool); |
|
|
for (uint i = 0; i < Event::destination_count; i++) { |
|
|
pSynthesisEvents[i] = new RTEList<Event>(pEventPool); |
|
|
} |
|
|
for (uint i = 0; i < 128; i++) { |
|
|
pMIDIKeyInfo[i].pActiveVoices = new RTEList<Voice>(pVoicePool); |
|
|
pMIDIKeyInfo[i].KeyPressed = false; |
|
|
pMIDIKeyInfo[i].Active = false; |
|
|
pMIDIKeyInfo[i].ReleaseTrigger = false; |
|
|
pMIDIKeyInfo[i].pSelf = NULL; |
|
|
pMIDIKeyInfo[i].pEvents = new RTEList<Event>(pEventPool); |
|
|
} |
|
|
for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) { |
|
|
pVoice->SetEngine(this); |
|
|
} |
|
|
pVoicePool->clear(); |
|
|
|
|
|
pSynthesisParameters[0] = NULL; // we allocate when an audio device is connected |
|
|
pBasicFilterParameters = NULL; |
|
|
pMainFilterParameters = NULL; |
|
|
|
|
|
InstrumentIdx = -1; |
|
|
InstrumentStat = -1; |
|
|
|
|
|
AudioDeviceChannelLeft = -1; |
|
|
AudioDeviceChannelRight = -1; |
|
|
|
|
|
ResetInternal(); |
|
|
} |
|
|
|
|
|
Engine::~Engine() { |
|
|
if (pDiskThread) { |
|
|
pDiskThread->StopThread(); |
|
|
delete pDiskThread; |
|
|
} |
|
|
if (pGig) delete pGig; |
|
|
if (pRIFF) delete pRIFF; |
|
|
for (uint i = 0; i < 128; i++) { |
|
|
if (pMIDIKeyInfo[i].pActiveVoices) delete pMIDIKeyInfo[i].pActiveVoices; |
|
|
if (pMIDIKeyInfo[i].pEvents) delete pMIDIKeyInfo[i].pEvents; |
|
|
} |
|
|
for (uint i = 0; i < Event::destination_count; i++) { |
|
|
if (pSynthesisEvents[i]) delete pSynthesisEvents[i]; |
|
|
} |
|
|
delete[] pSynthesisEvents; |
|
|
if (pEvents) delete pEvents; |
|
|
if (pCCEvents) delete pCCEvents; |
|
|
if (pEventQueue) delete pEventQueue; |
|
|
if (pEventPool) delete pEventPool; |
|
|
if (pVoicePool) delete pVoicePool; |
|
|
if (pActiveKeys) delete pActiveKeys; |
|
|
if (pEventGenerator) delete pEventGenerator; |
|
|
if (pMainFilterParameters) delete[] pMainFilterParameters; |
|
|
if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
|
|
if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0]; |
|
|
} |
|
|
|
|
|
void Engine::Enable() { |
|
|
dmsg(3,("gig::Engine: enabling\n")); |
|
|
EngineDisabled.PushAndUnlock(false, 2); // set condition object 'EngineDisabled' to false (wait max. 2s) |
|
|
dmsg(3,("gig::Engine: enabled (val=%d)\n", EngineDisabled.GetUnsafe())); |
|
|
} |
|
|
|
|
|
void Engine::Disable() { |
|
|
dmsg(3,("gig::Engine: disabling\n")); |
|
|
bool* pWasDisabled = EngineDisabled.PushAndUnlock(true, 2); // wait max. 2s |
|
|
if (!pWasDisabled) dmsg(3,("gig::Engine warning: Timeout waiting to disable engine.\n")); |
|
|
} |
|
|
|
|
|
void Engine::DisableAndLock() { |
|
|
dmsg(3,("gig::Engine: disabling\n")); |
|
|
bool* pWasDisabled = EngineDisabled.Push(true, 2); // wait max. 2s |
|
|
if (!pWasDisabled) dmsg(3,("gig::Engine warning: Timeout waiting to disable engine.\n")); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Reset all voices and disk thread and clear input event queue and all |
|
|
* control and status variables. |
|
|
*/ |
|
|
void Engine::Reset() { |
|
|
DisableAndLock(); |
|
|
|
|
|
//if (pAudioOutputDevice->IsPlaying()) { // if already running |
|
|
/* |
|
|
// signal audio thread not to enter render part anymore |
|
|
SuspensionRequested = true; |
|
|
// sleep until wakened by audio thread |
|
|
pthread_mutex_lock(&__render_state_mutex); |
|
|
pthread_cond_wait(&__render_exit_condition, &__render_state_mutex); |
|
|
pthread_mutex_unlock(&__render_state_mutex); |
|
|
*/ |
|
|
//} |
|
|
|
|
|
//if (wasplaying) pAudioOutputDevice->Stop(); |
|
|
|
|
|
ResetInternal(); |
|
|
|
|
|
// signal audio thread to continue with rendering |
|
|
//SuspensionRequested = false; |
|
|
Enable(); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Reset all voices and disk thread and clear input event queue and all |
|
|
* control and status variables. This method is not thread safe! |
|
|
*/ |
|
|
void Engine::ResetInternal() { |
|
|
Pitch = 0; |
|
|
SustainPedal = false; |
|
|
ActiveVoiceCount = 0; |
|
|
ActiveVoiceCountMax = 0; |
|
|
GlobalVolume = 1.0; |
|
|
|
|
|
// set all MIDI controller values to zero |
|
|
memset(ControllerTable, 0x00, 128); |
|
|
|
|
|
// reset key info |
|
|
for (uint i = 0; i < 128; i++) { |
|
|
pMIDIKeyInfo[i].pActiveVoices->clear(); |
|
|
pMIDIKeyInfo[i].pEvents->clear(); |
|
|
pMIDIKeyInfo[i].KeyPressed = false; |
|
|
pMIDIKeyInfo[i].Active = false; |
|
|
pMIDIKeyInfo[i].ReleaseTrigger = false; |
|
|
pMIDIKeyInfo[i].pSelf = NULL; |
|
|
} |
|
|
|
|
|
// reset all key groups |
|
|
map<uint,uint*>::iterator iter = ActiveKeyGroups.begin(); |
|
|
for (; iter != ActiveKeyGroups.end(); iter++) iter->second = NULL; |
|
|
|
|
|
// reset all voices |
|
|
for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) { |
|
|
pVoice->Reset(); |
|
|
} |
|
|
pVoicePool->clear(); |
|
|
|
|
|
// free all active keys |
|
|
pActiveKeys->clear(); |
|
|
|
|
|
// reset disk thread |
|
|
if (pDiskThread) pDiskThread->Reset(); |
|
|
|
|
|
// delete all input events |
|
|
pEventQueue->init(); |
|
|
} |
|
30 |
|
|
31 |
/** |
/** |
32 |
* Load an instrument from a .gig file. |
* Reacts on supported control change commands (e.g. pitch bend wheel, |
33 |
|
* modulation wheel, aftertouch). |
34 |
* |
* |
35 |
* @param FileName - file name of the Gigasampler instrument file |
* @param pEngineChannel - engine channel on which this event occured on |
36 |
* @param Instrument - index of the instrument in the .gig file |
* @param itControlChangeEvent - controller, value and time stamp of the event |
|
* @throws LinuxSamplerException on error |
|
|
* @returns detailed description of the method call result |
|
37 |
*/ |
*/ |
38 |
void Engine::LoadInstrument(const char* FileName, uint Instrument) { |
void Engine::ProcessControlChange ( |
39 |
|
LinuxSampler::EngineChannel* pEngineChannel, |
40 |
DisableAndLock(); |
Pool<Event>::Iterator& itControlChangeEvent |
41 |
|
) { |
42 |
ResetInternal(); // reset engine |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value)); |
43 |
|
|
44 |
// free old instrument |
EngineChannel* pChannel = dynamic_cast<EngineChannel*>(pEngineChannel); |
45 |
if (pInstrument) { |
// handle the "control triggered" MIDI rule: a control change |
46 |
// give old instrument back to instrument manager |
// event can trigger a new note on or note off event |
47 |
Instruments.HandBack(pInstrument, this); |
if (pChannel->pInstrument) { |
48 |
} |
|
49 |
|
::gig::MidiRule* rule; |
50 |
InstrumentFile = FileName; |
for (int i = 0 ; (rule = pChannel->pInstrument->GetMidiRule(i)) ; i++) { |
51 |
InstrumentIdx = Instrument; |
|
52 |
InstrumentStat = 0; |
if (::gig::MidiRuleCtrlTrigger* ctrlTrigger = |
53 |
|
dynamic_cast< ::gig::MidiRuleCtrlTrigger*>(rule)) { |
54 |
// delete all key groups |
if (itControlChangeEvent->Param.CC.Controller == |
55 |
ActiveKeyGroups.clear(); |
ctrlTrigger->ControllerNumber) { |
56 |
|
|
57 |
// request gig instrument from instrument manager |
uint8_t oldCCValue = pChannel->ControllerTable[ |
58 |
try { |
itControlChangeEvent->Param.CC.Controller]; |
59 |
instrument_id_t instrid; |
uint8_t newCCValue = itControlChangeEvent->Param.CC.Value; |
60 |
instrid.FileName = FileName; |
|
61 |
instrid.iInstrument = Instrument; |
for (int i = 0 ; i < ctrlTrigger->Triggers ; i++) { |
62 |
pInstrument = Instruments.Borrow(instrid, this); |
::gig::MidiRuleCtrlTrigger::trigger_t* pTrigger = |
63 |
if (!pInstrument) { |
&ctrlTrigger->pTriggers[i]; |
64 |
InstrumentStat = -1; |
|
65 |
dmsg(1,("no instrument loaded!!!\n")); |
// check if the controller has passed the |
66 |
exit(EXIT_FAILURE); |
// trigger point in the right direction |
67 |
|
if ((pTrigger->Descending && |
68 |
|
oldCCValue > pTrigger->TriggerPoint && |
69 |
|
newCCValue <= pTrigger->TriggerPoint) || |
70 |
|
(!pTrigger->Descending && |
71 |
|
oldCCValue < pTrigger->TriggerPoint && |
72 |
|
newCCValue >= pTrigger->TriggerPoint)) { |
73 |
|
|
74 |
|
RTList<Event>::Iterator itNewEvent = pGlobalEvents->allocAppend(); |
75 |
|
if (itNewEvent) { |
76 |
|
*itNewEvent = *itControlChangeEvent; |
77 |
|
itNewEvent->Param.Note.Key = pTrigger->Key; |
78 |
|
|
79 |
|
if (pTrigger->NoteOff || pTrigger->Velocity == 0) { |
80 |
|
itNewEvent->Type = Event::type_note_off; |
81 |
|
itNewEvent->Param.Note.Velocity = 100; |
82 |
|
|
83 |
|
ProcessNoteOff(pEngineChannel, itNewEvent); |
84 |
|
} else { |
85 |
|
itNewEvent->Type = Event::type_note_on; |
86 |
|
//TODO: if Velocity is 255, the triggered velocity should |
87 |
|
// depend on how fast the controller is moving |
88 |
|
itNewEvent->Param.Note.Velocity = |
89 |
|
pTrigger->Velocity == 255 ? 100 : |
90 |
|
pTrigger->Velocity; |
91 |
|
|
92 |
|
ProcessNoteOn(pEngineChannel, itNewEvent); |
93 |
|
} |
94 |
|
} |
95 |
|
else dmsg(1,("Event pool emtpy!\n")); |
96 |
|
} |
97 |
|
} |
98 |
|
} |
99 |
|
} |
100 |
} |
} |
101 |
} |
} |
|
catch (RIFF::Exception e) { |
|
|
InstrumentStat = -2; |
|
|
String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message; |
|
|
throw LinuxSamplerException(msg); |
|
|
} |
|
|
catch (InstrumentResourceManagerException e) { |
|
|
InstrumentStat = -3; |
|
|
String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message(); |
|
|
throw LinuxSamplerException(msg); |
|
|
} |
|
|
catch (...) { |
|
|
InstrumentStat = -4; |
|
|
throw LinuxSamplerException("gig::Engine error: Failed to load instrument, cause: Unknown exception while trying to parse gig file."); |
|
|
} |
|
|
|
|
|
// rebuild ActiveKeyGroups map with key groups of current instrument |
|
|
for (::gig::Region* pRegion = pInstrument->GetFirstRegion(); pRegion; pRegion = pInstrument->GetNextRegion()) |
|
|
if (pRegion->KeyGroup) ActiveKeyGroups[pRegion->KeyGroup] = NULL; |
|
|
|
|
|
InstrumentStat = 100; |
|
|
|
|
|
// inform audio driver for the need of two channels |
|
|
try { |
|
|
if (pAudioOutputDevice) pAudioOutputDevice->AcquireChannels(2); // gig Engine only stereo |
|
|
} |
|
|
catch (AudioOutputException e) { |
|
|
String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
|
|
throw LinuxSamplerException(msg); |
|
|
} |
|
|
|
|
|
Enable(); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Will be called by the InstrumentResourceManager when the instrument |
|
|
* we are currently using in this engine is going to be updated, so we |
|
|
* can stop playback before that happens. |
|
|
*/ |
|
|
void Engine::ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg) { |
|
|
dmsg(3,("gig::Engine: Received instrument update message.\n")); |
|
|
DisableAndLock(); |
|
|
ResetInternal(); |
|
|
this->pInstrument = NULL; |
|
|
} |
|
|
|
|
|
/** |
|
|
* Will be called by the InstrumentResourceManager when the instrument |
|
|
* update process was completed, so we can continue with playback. |
|
|
*/ |
|
|
void Engine::ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg) { |
|
|
this->pInstrument = pNewResource; //TODO: there are couple of engine parameters we should update here as well if the instrument was updated (see LoadInstrument()) |
|
|
Enable(); |
|
|
} |
|
|
|
|
|
void Engine::Connect(AudioOutputDevice* pAudioOut) { |
|
|
pAudioOutputDevice = pAudioOut; |
|
|
|
|
|
ResetInternal(); |
|
|
|
|
|
// inform audio driver for the need of two channels |
|
|
try { |
|
|
pAudioOutputDevice->AcquireChannels(2); // gig engine only stereo |
|
|
} |
|
|
catch (AudioOutputException e) { |
|
|
String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
|
|
throw LinuxSamplerException(msg); |
|
|
} |
|
102 |
|
|
103 |
this->AudioDeviceChannelLeft = 0; |
// update controller value in the engine channel's controller table |
104 |
this->AudioDeviceChannelRight = 1; |
pChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
|
this->pOutputLeft = pAudioOutputDevice->Channel(0)->Buffer(); |
|
|
this->pOutputRight = pAudioOutputDevice->Channel(1)->Buffer(); |
|
|
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
|
|
this->SampleRate = pAudioOutputDevice->SampleRate(); |
|
|
|
|
|
// (re)create disk thread |
|
|
if (this->pDiskThread) { |
|
|
this->pDiskThread->StopThread(); |
|
|
delete this->pDiskThread; |
|
|
} |
|
|
this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo |
|
|
if (!pDiskThread) { |
|
|
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
|
|
exit(EXIT_FAILURE); |
|
|
} |
|
|
|
|
|
for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) { |
|
|
pVoice->pDiskThread = this->pDiskThread; |
|
|
dmsg(3,("d")); |
|
|
} |
|
|
pVoicePool->clear(); |
|
105 |
|
|
106 |
// (re)create event generator |
ProcessHardcodedControllers(pEngineChannel, itControlChangeEvent); |
|
if (pEventGenerator) delete pEventGenerator; |
|
|
pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
|
|
|
|
|
// (re)allocate synthesis parameter matrix |
|
|
if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0]; |
|
|
pSynthesisParameters[0] = new float[Event::destination_count * pAudioOut->MaxSamplesPerCycle()]; |
|
|
for (int dst = 1; dst < Event::destination_count; dst++) |
|
|
pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle(); |
|
|
|
|
|
// (re)allocate biquad filter parameter sequence |
|
|
if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
|
|
if (pMainFilterParameters) delete[] pMainFilterParameters; |
|
|
pBasicFilterParameters = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()]; |
|
|
pMainFilterParameters = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()]; |
|
|
|
|
|
dmsg(1,("Starting disk thread...")); |
|
|
pDiskThread->StartThread(); |
|
|
dmsg(1,("OK\n")); |
|
|
|
|
|
for (Voice* pVoice = pVoicePool->first(); pVoice; pVoice = pVoicePool->next()) { |
|
|
if (!pVoice->pDiskThread) { |
|
|
dmsg(0,("Engine -> voice::trigger: !pDiskThread\n")); |
|
|
exit(EXIT_FAILURE); |
|
|
} |
|
|
} |
|
|
} |
|
107 |
|
|
108 |
void Engine::DisconnectAudioOutputDevice() { |
// handle FX send controllers |
109 |
if (pAudioOutputDevice) { // if clause to prevent disconnect loops |
ProcessFxSendControllers(pChannel, itControlChangeEvent); |
|
AudioOutputDevice* olddevice = pAudioOutputDevice; |
|
|
pAudioOutputDevice = NULL; |
|
|
olddevice->Disconnect(this); |
|
|
AudioDeviceChannelLeft = -1; |
|
|
AudioDeviceChannelRight = -1; |
|
|
} |
|
110 |
} |
} |
111 |
|
|
112 |
/** |
DiskThread* Engine::CreateDiskThread() { |
113 |
* Let this engine proceed to render the given amount of sample points. The |
return new DiskThread ( |
114 |
* calculated audio data of all voices of this engine will be placed into |
iMaxDiskStreams, |
115 |
* the engine's audio sum buffer which has to be copied and eventually be |
((pAudioOutputDevice->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6, //FIXME: assuming stereo |
116 |
* converted to the appropriate value range by the audio output class (e.g. |
&instruments |
117 |
* AlsaIO or JackIO) right after. |
); |
118 |
* |
} |
119 |
* @param Samples - number of sample points to be rendered |
|
120 |
* @returns 0 on success |
void Engine::TriggerNewVoices ( |
121 |
*/ |
LinuxSampler::EngineChannel* pEngineChannel, |
122 |
int Engine::RenderAudio(uint Samples) { |
RTList<Event>::Iterator& itNoteOnEvent, |
123 |
dmsg(5,("RenderAudio(Samples=%d)\n", Samples)); |
bool HandleKeyGroupConflicts |
124 |
|
) { |
125 |
// return if no instrument loaded or engine disabled |
EngineChannel* pChannel = static_cast<EngineChannel*>(pEngineChannel); |
126 |
if (EngineDisabled.Pop()) { |
// first, get total amount of required voices (dependant on amount of layers) |
127 |
dmsg(5,("gig::Engine: engine disabled (val=%d)\n",EngineDisabled.GetUnsafe())); |
::gig::Region* pRegion = pChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key); |
128 |
return 0; |
if (pRegion && !RegionSuspended(pRegion)) { |
129 |
} |
int voicesRequired = pRegion->Layers; |
130 |
if (!pInstrument) { |
// now launch the required amount of voices |
131 |
dmsg(5,("gig::Engine: no instrument loaded\n")); |
for (int i = 0; i < voicesRequired; i++) |
132 |
return 0; |
LaunchVoice(pChannel, itNoteOnEvent, i, false, true, HandleKeyGroupConflicts); |
133 |
} |
} |
134 |
|
} |
135 |
|
|
136 |
// empty the event lists for the new fragment |
void Engine::TriggerReleaseVoices ( |
137 |
pEvents->clear(); |
LinuxSampler::EngineChannel* pEngineChannel, |
138 |
pCCEvents->clear(); |
RTList<Event>::Iterator& itNoteOffEvent |
139 |
for (uint i = 0; i < Event::destination_count; i++) { |
) { |
140 |
pSynthesisEvents[i]->clear(); |
EngineChannel* pChannel = static_cast<EngineChannel*>(pEngineChannel); |
141 |
} |
MidiKey* pKey = &pChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
142 |
|
// first, get total amount of required voices (dependant on amount of layers) |
143 |
// read and copy events from input queue |
::gig::Region* pRegion = pChannel->pInstrument->GetRegion(itNoteOffEvent->Param.Note.Key); |
144 |
Event event = pEventGenerator->CreateEvent(); |
if (pRegion) { |
145 |
while (true) { |
int voicesRequired = pRegion->Layers; |
146 |
if (!pEventQueue->pop(&event)) break; |
|
147 |
pEvents->alloc_assign(event); |
// MIDI note-on velocity is used instead of note-off velocity |
148 |
} |
itNoteOffEvent->Param.Note.Velocity = pKey->Velocity; |
149 |
|
|
150 |
|
// now launch the required amount of voices |
151 |
// update time of start and end of this audio fragment (as events' time stamps relate to this) |
for (int i = 0; i < voicesRequired; i++) |
152 |
pEventGenerator->UpdateFragmentTime(Samples); |
LaunchVoice(pChannel, itNoteOffEvent, i, true, false, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
153 |
|
} |
154 |
|
} |
155 |
// process events |
|
156 |
Event* pNextEvent = pEvents->first(); |
Pool<Voice>::Iterator Engine::LaunchVoice ( |
157 |
while (pNextEvent) { |
LinuxSampler::EngineChannel* pEngineChannel, |
158 |
Event* pEvent = pNextEvent; |
Pool<Event>::Iterator& itNoteOnEvent, |
159 |
pEvents->set_current(pEvent); |
int iLayer, |
160 |
pNextEvent = pEvents->next(); |
bool ReleaseTriggerVoice, |
161 |
switch (pEvent->Type) { |
bool VoiceStealing, |
162 |
case Event::type_note_on: |
bool HandleKeyGroupConflicts |
163 |
dmsg(5,("Audio Thread: Note on received\n")); |
) { |
164 |
ProcessNoteOn(pEvent); |
EngineChannel* pChannel = static_cast<EngineChannel*>(pEngineChannel); |
165 |
break; |
int MIDIKey = itNoteOnEvent->Param.Note.Key; |
166 |
case Event::type_note_off: |
EngineChannel::MidiKey* pKey = &pChannel->pMIDIKeyInfo[MIDIKey]; |
167 |
dmsg(5,("Audio Thread: Note off received\n")); |
::gig::Region* pRegion = pChannel->pInstrument->GetRegion(MIDIKey); |
168 |
ProcessNoteOff(pEvent); |
|
169 |
break; |
// if nothing defined for this key |
170 |
case Event::type_control_change: |
if (!pRegion) return Pool<Voice>::Iterator(); // nothing to do |
171 |
dmsg(5,("Audio Thread: MIDI CC received\n")); |
|
172 |
ProcessControlChange(pEvent); |
// only mark the first voice of a layered voice (group) to be in a |
173 |
break; |
// key group, so the layered voices won't kill each other |
174 |
case Event::type_pitchbend: |
int iKeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0; |
175 |
dmsg(5,("Audio Thread: Pitchbend received\n")); |
|
176 |
ProcessPitchbend(pEvent); |
// handle key group (a.k.a. exclusive group) conflicts |
177 |
break; |
if (HandleKeyGroupConflicts) { |
178 |
} |
if (iKeyGroup) { // if this voice / key belongs to a key group |
179 |
} |
uint** ppKeyGroup = &pChannel->ActiveKeyGroups[iKeyGroup]; |
180 |
|
if (*ppKeyGroup) { // if there's already an active key in that key group |
181 |
|
EngineChannel::MidiKey* pOtherKey = &pChannel->pMIDIKeyInfo[**ppKeyGroup]; |
182 |
// render audio from all active voices |
// kill all voices on the (other) key |
183 |
int active_voices = 0; |
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
184 |
uint* piKey = pActiveKeys->first(); |
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
185 |
while (piKey) { // iterate through all active keys |
for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
186 |
midi_key_info_t* pKey = &pMIDIKeyInfo[*piKey]; |
if (itVoiceToBeKilled->Type != Voice::type_release_trigger) { |
187 |
pActiveKeys->set_current(piKey); |
itVoiceToBeKilled->Kill(itNoteOnEvent); |
188 |
piKey = pActiveKeys->next(); |
--VoiceSpawnsLeft; //FIXME: just a hack, we should better check in StealVoice() if the voice was killed due to key conflict |
189 |
|
} |
190 |
Voice* pVoiceNext = pKey->pActiveVoices->first(); |
} |
|
while (pVoiceNext) { // iterate through all voices on this key |
|
|
// already get next voice on key |
|
|
Voice* pVoice = pVoiceNext; |
|
|
pKey->pActiveVoices->set_current(pVoice); |
|
|
pVoiceNext = pKey->pActiveVoices->next(); |
|
|
|
|
|
// now render current voice |
|
|
pVoice->Render(Samples); |
|
|
if (pVoice->IsActive()) active_voices++; // still active |
|
|
else { // voice reached end, is now inactive |
|
|
KillVoiceImmediately(pVoice); // remove voice from the list of active voices |
|
191 |
} |
} |
192 |
} |
} |
|
pKey->pEvents->clear(); // free all events on the key |
|
193 |
} |
} |
194 |
|
|
195 |
|
Voice::type_t VoiceType = Voice::type_normal; |
196 |
|
|
197 |
// write that to the disk thread class so that it can print it |
// get current dimension values to select the right dimension region |
198 |
// on the console for debugging purposes |
//TODO: for stolen voices this dimension region selection block is processed twice, this should be changed |
199 |
ActiveVoiceCount = active_voices; |
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
200 |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
uint DimValues[8] = { 0 }; |
201 |
|
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
202 |
|
switch (pRegion->pDimensionDefinitions[i].dimension) { |
203 |
return 0; |
case ::gig::dimension_samplechannel: |
204 |
} |
DimValues[i] = 0; //TODO: we currently ignore this dimension |
205 |
|
break; |
206 |
/** |
case ::gig::dimension_layer: |
207 |
* Will be called by the MIDIIn Thread to let the audio thread trigger a new |
DimValues[i] = iLayer; |
208 |
* voice for the given key. |
break; |
209 |
* |
case ::gig::dimension_velocity: |
210 |
* @param Key - MIDI key number of the triggered key |
DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
211 |
* @param Velocity - MIDI velocity value of the triggered key |
break; |
212 |
*/ |
case ::gig::dimension_channelaftertouch: |
213 |
void Engine::SendNoteOn(uint8_t Key, uint8_t Velocity) { |
DimValues[i] = pChannel->ControllerTable[128]; |
214 |
Event event = pEventGenerator->CreateEvent(); |
break; |
215 |
event.Type = Event::type_note_on; |
case ::gig::dimension_releasetrigger: |
216 |
event.Key = Key; |
VoiceType = (ReleaseTriggerVoice) ? Voice::type_release_trigger : (!iLayer) ? Voice::type_release_trigger_required : Voice::type_normal; |
217 |
event.Velocity = Velocity; |
DimValues[i] = (uint) ReleaseTriggerVoice; |
218 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
break; |
219 |
else dmsg(1,("Engine: Input event queue full!")); |
case ::gig::dimension_keyboard: |
220 |
} |
DimValues[i] = (uint) (pChannel->CurrentKeyDimension * pRegion->pDimensionDefinitions[i].zones); |
221 |
|
break; |
222 |
/** |
case ::gig::dimension_roundrobin: |
223 |
* Will be called by the MIDIIn Thread to signal the audio thread to release |
DimValues[i] = (uint) pChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on |
224 |
* voice(s) on the given key. |
break; |
225 |
* |
case ::gig::dimension_random: |
226 |
* @param Key - MIDI key number of the released key |
RandomSeed = RandomSeed * 1103515245 + 12345; // classic pseudo random number generator |
227 |
* @param Velocity - MIDI release velocity value of the released key |
DimValues[i] = (uint) RandomSeed >> (32 - pRegion->pDimensionDefinitions[i].bits); // highest bits are most random |
228 |
*/ |
break; |
229 |
void Engine::SendNoteOff(uint8_t Key, uint8_t Velocity) { |
case ::gig::dimension_modwheel: |
230 |
Event event = pEventGenerator->CreateEvent(); |
DimValues[i] = pChannel->ControllerTable[1]; |
231 |
event.Type = Event::type_note_off; |
break; |
232 |
event.Key = Key; |
case ::gig::dimension_breath: |
233 |
event.Velocity = Velocity; |
DimValues[i] = pChannel->ControllerTable[2]; |
234 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
break; |
235 |
else dmsg(1,("Engine: Input event queue full!")); |
case ::gig::dimension_foot: |
236 |
} |
DimValues[i] = pChannel->ControllerTable[4]; |
237 |
|
break; |
238 |
/** |
case ::gig::dimension_portamentotime: |
239 |
* Will be called by the MIDIIn Thread to signal the audio thread to change |
DimValues[i] = pChannel->ControllerTable[5]; |
240 |
* the pitch value for all voices. |
break; |
241 |
* |
case ::gig::dimension_effect1: |
242 |
* @param Pitch - MIDI pitch value (-8192 ... +8191) |
DimValues[i] = pChannel->ControllerTable[12]; |
243 |
*/ |
break; |
244 |
void Engine::SendPitchbend(int Pitch) { |
case ::gig::dimension_effect2: |
245 |
Event event = pEventGenerator->CreateEvent(); |
DimValues[i] = pChannel->ControllerTable[13]; |
246 |
event.Type = Event::type_pitchbend; |
break; |
247 |
event.Pitch = Pitch; |
case ::gig::dimension_genpurpose1: |
248 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
DimValues[i] = pChannel->ControllerTable[16]; |
249 |
else dmsg(1,("Engine: Input event queue full!")); |
break; |
250 |
} |
case ::gig::dimension_genpurpose2: |
251 |
|
DimValues[i] = pChannel->ControllerTable[17]; |
252 |
/** |
break; |
253 |
* Will be called by the MIDIIn Thread to signal the audio thread that a |
case ::gig::dimension_genpurpose3: |
254 |
* continuous controller value has changed. |
DimValues[i] = pChannel->ControllerTable[18]; |
255 |
* |
break; |
256 |
* @param Controller - MIDI controller number of the occured control change |
case ::gig::dimension_genpurpose4: |
257 |
* @param Value - value of the control change |
DimValues[i] = pChannel->ControllerTable[19]; |
258 |
*/ |
break; |
259 |
void Engine::SendControlChange(uint8_t Controller, uint8_t Value) { |
case ::gig::dimension_sustainpedal: |
260 |
Event event = pEventGenerator->CreateEvent(); |
DimValues[i] = pChannel->ControllerTable[64]; |
261 |
event.Type = Event::type_control_change; |
break; |
262 |
event.Controller = Controller; |
case ::gig::dimension_portamento: |
263 |
event.Value = Value; |
DimValues[i] = pChannel->ControllerTable[65]; |
264 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
break; |
265 |
else dmsg(1,("Engine: Input event queue full!")); |
case ::gig::dimension_sostenutopedal: |
266 |
} |
DimValues[i] = pChannel->ControllerTable[66]; |
267 |
|
break; |
268 |
/** |
case ::gig::dimension_softpedal: |
269 |
* Assigns and triggers a new voice for the respective MIDI key. |
DimValues[i] = pChannel->ControllerTable[67]; |
270 |
* |
break; |
271 |
* @param pNoteOnEvent - key, velocity and time stamp of the event |
case ::gig::dimension_genpurpose5: |
272 |
*/ |
DimValues[i] = pChannel->ControllerTable[80]; |
273 |
void Engine::ProcessNoteOn(Event* pNoteOnEvent) { |
break; |
274 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Key]; |
case ::gig::dimension_genpurpose6: |
275 |
|
DimValues[i] = pChannel->ControllerTable[81]; |
276 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
break; |
277 |
|
case ::gig::dimension_genpurpose7: |
278 |
// cancel release process of voices on this key if needed |
DimValues[i] = pChannel->ControllerTable[82]; |
279 |
if (pKey->Active && !SustainPedal) { |
break; |
280 |
Event* pCancelReleaseEvent = pKey->pEvents->alloc(); |
case ::gig::dimension_genpurpose8: |
281 |
if (pCancelReleaseEvent) { |
DimValues[i] = pChannel->ControllerTable[83]; |
282 |
*pCancelReleaseEvent = *pNoteOnEvent; |
break; |
283 |
pCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type |
case ::gig::dimension_effect1depth: |
284 |
|
DimValues[i] = pChannel->ControllerTable[91]; |
285 |
|
break; |
286 |
|
case ::gig::dimension_effect2depth: |
287 |
|
DimValues[i] = pChannel->ControllerTable[92]; |
288 |
|
break; |
289 |
|
case ::gig::dimension_effect3depth: |
290 |
|
DimValues[i] = pChannel->ControllerTable[93]; |
291 |
|
break; |
292 |
|
case ::gig::dimension_effect4depth: |
293 |
|
DimValues[i] = pChannel->ControllerTable[94]; |
294 |
|
break; |
295 |
|
case ::gig::dimension_effect5depth: |
296 |
|
DimValues[i] = pChannel->ControllerTable[95]; |
297 |
|
break; |
298 |
|
case ::gig::dimension_none: |
299 |
|
std::cerr << "gig::Engine::LaunchVoice() Error: dimension=none\n" << std::flush; |
300 |
|
break; |
301 |
|
default: |
302 |
|
std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush; |
303 |
} |
} |
|
else dmsg(1,("Event pool emtpy!\n")); |
|
304 |
} |
} |
305 |
|
|
306 |
// allocate and trigger a new voice for the key |
// return if this is a release triggered voice and there is no |
307 |
LaunchVoice(pNoteOnEvent); |
// releasetrigger dimension (could happen if an instrument |
308 |
|
// change has occured between note on and off) |
309 |
// finally move note on event to the key's own event list |
if (ReleaseTriggerVoice && VoiceType != Voice::type_release_trigger) return Pool<Voice>::Iterator(); |
|
pEvents->move(pNoteOnEvent, pKey->pEvents); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Releases the voices on the given key if sustain pedal is not pressed. |
|
|
* If sustain is pressed, the release of the note will be postponed until |
|
|
* sustain pedal will be released or voice turned inactive by itself (e.g. |
|
|
* due to completion of sample playback). |
|
|
* |
|
|
* @param pNoteOffEvent - key, velocity and time stamp of the event |
|
|
*/ |
|
|
void Engine::ProcessNoteOff(Event* pNoteOffEvent) { |
|
|
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOffEvent->Key]; |
|
|
|
|
|
pKey->KeyPressed = false; // the MIDI key was now released |
|
310 |
|
|
311 |
// release voices on this key if needed |
::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues); |
|
if (pKey->Active && !SustainPedal) { |
|
|
pNoteOffEvent->Type = Event::type_release; // transform event type |
|
|
} |
|
312 |
|
|
313 |
// spawn release triggered voice(s) if needed |
// no need to continue if sample is silent |
314 |
if (pKey->ReleaseTrigger) { |
if (!pDimRgn->pSample || !pDimRgn->pSample->SamplesTotal) return Pool<Voice>::Iterator(); |
|
LaunchVoice(pNoteOffEvent, 0, true); |
|
|
pKey->ReleaseTrigger = false; |
|
|
} |
|
|
|
|
|
// move event to the key's own event list |
|
|
pEvents->move(pNoteOffEvent, pKey->pEvents); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Moves pitchbend event from the general (input) event list to the pitch |
|
|
* event list. |
|
|
* |
|
|
* @param pPitchbendEvent - absolute pitch value and time stamp of the event |
|
|
*/ |
|
|
void Engine::ProcessPitchbend(Event* pPitchbendEvent) { |
|
|
this->Pitch = pPitchbendEvent->Pitch; // store current pitch value |
|
|
pEvents->move(pPitchbendEvent, pSynthesisEvents[Event::destination_vco]); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Allocates and triggers a new voice. This method will usually be |
|
|
* called by the ProcessNoteOn() method and by the voices itself |
|
|
* (e.g. to spawn further voices on the same key for layered sounds). |
|
|
* |
|
|
* @param pNoteOnEvent - key, velocity and time stamp of the event |
|
|
* @param iLayer - layer index for the new voice (optional - only |
|
|
* in case of layered sounds of course) |
|
|
* @param ReleaseTriggerVoice - if new voice is a release triggered voice |
|
|
* (optional, default = false) |
|
|
*/ |
|
|
void Engine::LaunchVoice(Event* pNoteOnEvent, int iLayer, bool ReleaseTriggerVoice) { |
|
|
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Key]; |
|
315 |
|
|
316 |
// allocate a new voice for the key |
// allocate a new voice for the key |
317 |
Voice* pNewVoice = pKey->pActiveVoices->alloc(); |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
318 |
if (pNewVoice) { |
if (itNewVoice) { |
319 |
// launch the new voice |
// launch the new voice |
320 |
if (pNewVoice->Trigger(pNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice) < 0) { |
if (itNewVoice->Trigger(pChannel, itNoteOnEvent, pChannel->Pitch, pDimRgn, VoiceType, iKeyGroup) < 0) { |
321 |
dmsg(1,("Triggering new voice failed!\n")); |
dmsg(4,("Voice not triggered\n")); |
322 |
pKey->pActiveVoices->free(pNewVoice); |
pKey->pActiveVoices->free(itNewVoice); |
323 |
} |
} |
324 |
else { // on success |
else { // on success |
325 |
uint** ppKeyGroup = NULL; |
--VoiceSpawnsLeft; |
|
if (pNewVoice->KeyGroup) { // if this voice / key belongs to a key group |
|
|
ppKeyGroup = &ActiveKeyGroups[pNewVoice->KeyGroup]; |
|
|
if (*ppKeyGroup) { // if there's already an active key in that key group |
|
|
midi_key_info_t* pOtherKey = &pMIDIKeyInfo[**ppKeyGroup]; |
|
|
// kill all voices on the (other) key |
|
|
Voice* pVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
|
|
while (pVoiceToBeKilled) { |
|
|
Voice* pVoiceToBeKilledNext = pOtherKey->pActiveVoices->next(); |
|
|
if (pVoiceToBeKilled->Type != Voice::type_release_trigger) pVoiceToBeKilled->Kill(pNoteOnEvent); |
|
|
pOtherKey->pActiveVoices->set_current(pVoiceToBeKilled); |
|
|
pVoiceToBeKilled = pVoiceToBeKilledNext; |
|
|
} |
|
|
} |
|
|
} |
|
326 |
if (!pKey->Active) { // mark as active key |
if (!pKey->Active) { // mark as active key |
327 |
pKey->Active = true; |
pKey->Active = true; |
328 |
pKey->pSelf = pActiveKeys->alloc(); |
pKey->itSelf = pChannel->pActiveKeys->allocAppend(); |
329 |
*pKey->pSelf = pNoteOnEvent->Key; |
*pKey->itSelf = itNoteOnEvent->Param.Note.Key; |
330 |
} |
} |
331 |
if (pNewVoice->KeyGroup) { |
if (itNewVoice->KeyGroup) { |
332 |
*ppKeyGroup = pKey->pSelf; // put key as the (new) active key to its key group |
uint** ppKeyGroup = &pChannel->ActiveKeyGroups[itNewVoice->KeyGroup]; |
333 |
|
*ppKeyGroup = &*pKey->itSelf; // put key as the (new) active key to its key group |
334 |
} |
} |
335 |
if (pNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s) |
if (itNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s) |
336 |
|
return itNewVoice; // success |
337 |
} |
} |
338 |
} |
} |
339 |
else std::cerr << "No free voice!" << std::endl << std::flush; |
else if (VoiceStealing) { |
340 |
} |
// try to steal one voice |
341 |
|
int result = StealVoice(pChannel, itNoteOnEvent); |
342 |
/** |
if (!result) { // voice stolen successfully |
343 |
* Immediately kills the voice given with pVoice (no matter if sustain is |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
344 |
* pressed or not) and removes it from the MIDI key's list of active voice. |
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
345 |
* This method will e.g. be called if a voice went inactive by itself. |
if (itStealEvent) { |
346 |
* |
*itStealEvent = *itNoteOnEvent; // copy event |
347 |
* @param pVoice - points to the voice to be killed |
itStealEvent->Param.Note.Layer = iLayer; |
348 |
*/ |
itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
349 |
void Engine::KillVoiceImmediately(Voice* pVoice) { |
pKey->VoiceTheftsQueued++; |
|
if (pVoice) { |
|
|
if (pVoice->IsActive()) pVoice->KillImmediately(); |
|
|
|
|
|
midi_key_info_t* pKey = &pMIDIKeyInfo[pVoice->MIDIKey]; |
|
|
|
|
|
// free the voice object |
|
|
pVoicePool->free(pVoice); |
|
|
|
|
|
// check if there are no voices left on the MIDI key and update the key info if so |
|
|
if (pKey->pActiveVoices->is_empty()) { |
|
|
if (pVoice->KeyGroup) { // if voice / key belongs to a key group |
|
|
uint** ppKeyGroup = &ActiveKeyGroups[pVoice->KeyGroup]; |
|
|
if (*ppKeyGroup == pKey->pSelf) *ppKeyGroup = NULL; // remove key from key group |
|
350 |
} |
} |
351 |
pKey->Active = false; |
else dmsg(1,("Voice stealing queue full!\n")); |
|
pActiveKeys->free(pKey->pSelf); // remove key from list of active keys |
|
|
pKey->pSelf = NULL; |
|
|
pKey->ReleaseTrigger = false; |
|
|
dmsg(3,("Key has no more voices now\n")); |
|
352 |
} |
} |
353 |
} |
} |
|
else std::cerr << "Couldn't release voice! (pVoice == NULL)\n" << std::flush; |
|
|
} |
|
|
|
|
|
/** |
|
|
* Reacts on supported control change commands (e.g. pitch bend wheel, |
|
|
* modulation wheel, aftertouch). |
|
|
* |
|
|
* @param pControlChangeEvent - controller, value and time stamp of the event |
|
|
*/ |
|
|
void Engine::ProcessControlChange(Event* pControlChangeEvent) { |
|
|
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", pControlChangeEvent->Controller, pControlChangeEvent->Value)); |
|
|
|
|
|
switch (pControlChangeEvent->Controller) { |
|
|
case 64: { |
|
|
if (pControlChangeEvent->Value >= 64 && !SustainPedal) { |
|
|
dmsg(4,("PEDAL DOWN\n")); |
|
|
SustainPedal = true; |
|
|
|
|
|
// cancel release process of voices if necessary |
|
|
uint* piKey = pActiveKeys->first(); |
|
|
if (piKey) { |
|
|
pControlChangeEvent->Type = Event::type_cancel_release; // transform event type |
|
|
while (piKey) { |
|
|
midi_key_info_t* pKey = &pMIDIKeyInfo[*piKey]; |
|
|
pActiveKeys->set_current(piKey); |
|
|
piKey = pActiveKeys->next(); |
|
|
if (!pKey->KeyPressed) { |
|
|
Event* pNewEvent = pKey->pEvents->alloc(); |
|
|
if (pNewEvent) *pNewEvent = *pControlChangeEvent; // copy event to the key's own event list |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
if (pControlChangeEvent->Value < 64 && SustainPedal) { |
|
|
dmsg(4,("PEDAL UP\n")); |
|
|
SustainPedal = false; |
|
|
|
|
|
// release voices if their respective key is not pressed |
|
|
uint* piKey = pActiveKeys->first(); |
|
|
if (piKey) { |
|
|
pControlChangeEvent->Type = Event::type_release; // transform event type |
|
|
while (piKey) { |
|
|
midi_key_info_t* pKey = &pMIDIKeyInfo[*piKey]; |
|
|
pActiveKeys->set_current(piKey); |
|
|
piKey = pActiveKeys->next(); |
|
|
if (!pKey->KeyPressed) { |
|
|
Event* pNewEvent = pKey->pEvents->alloc(); |
|
|
if (pNewEvent) *pNewEvent = *pControlChangeEvent; // copy event to the key's own event list |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
break; |
|
|
} |
|
|
} |
|
|
|
|
|
// update controller value in the engine's controller table |
|
|
ControllerTable[pControlChangeEvent->Controller] = pControlChangeEvent->Value; |
|
|
|
|
|
// move event from the unsorted event list to the control change event list |
|
|
pEvents->move(pControlChangeEvent, pCCEvents); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Initialize the parameter sequence for the modulation destination given by |
|
|
* by 'dst' with the constant value given by val. |
|
|
*/ |
|
|
void Engine::ResetSynthesisParameters(Event::destination_t dst, float val) { |
|
|
int maxsamples = pAudioOutputDevice->MaxSamplesPerCycle(); |
|
|
float* m = &pSynthesisParameters[dst][0]; |
|
|
for (int i = 0; i < maxsamples; i += 4) { |
|
|
m[i] = val; |
|
|
m[i+1] = val; |
|
|
m[i+2] = val; |
|
|
m[i+3] = val; |
|
|
} |
|
|
} |
|
354 |
|
|
355 |
float Engine::Volume() { |
return Pool<Voice>::Iterator(); // no free voice or error |
|
return GlobalVolume; |
|
|
} |
|
|
|
|
|
void Engine::Volume(float f) { |
|
|
GlobalVolume = f; |
|
|
} |
|
|
|
|
|
uint Engine::Channels() { |
|
|
return 2; |
|
|
} |
|
|
|
|
|
void Engine::SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) { |
|
|
AudioChannel* pChannel = pAudioOutputDevice->Channel(AudioDeviceChannel); |
|
|
if (!pChannel) throw AudioOutputException("Invalid audio output device channel " + ToString(AudioDeviceChannel)); |
|
|
switch (EngineAudioChannel) { |
|
|
case 0: // left output channel |
|
|
pOutputLeft = pChannel->Buffer(); |
|
|
AudioDeviceChannelLeft = AudioDeviceChannel; |
|
|
break; |
|
|
case 1: // right output channel |
|
|
pOutputRight = pChannel->Buffer(); |
|
|
AudioDeviceChannelRight = AudioDeviceChannel; |
|
|
break; |
|
|
default: |
|
|
throw AudioOutputException("Invalid engine audio channel " + ToString(EngineAudioChannel)); |
|
|
} |
|
|
} |
|
|
|
|
|
int Engine::OutputChannel(uint EngineAudioChannel) { |
|
|
switch (EngineAudioChannel) { |
|
|
case 0: // left channel |
|
|
return AudioDeviceChannelLeft; |
|
|
case 1: // right channel |
|
|
return AudioDeviceChannelRight; |
|
|
default: |
|
|
throw AudioOutputException("Invalid engine audio channel " + ToString(EngineAudioChannel)); |
|
|
} |
|
|
} |
|
|
|
|
|
uint Engine::VoiceCount() { |
|
|
return ActiveVoiceCount; |
|
|
} |
|
|
|
|
|
uint Engine::VoiceCountMax() { |
|
|
return ActiveVoiceCountMax; |
|
356 |
} |
} |
357 |
|
|
358 |
bool Engine::DiskStreamSupported() { |
bool Engine::DiskStreamSupported() { |
359 |
return true; |
return true; |
360 |
} |
} |
361 |
|
|
|
uint Engine::DiskStreamCount() { |
|
|
return (pDiskThread) ? pDiskThread->ActiveStreamCount : 0; |
|
|
} |
|
|
|
|
|
uint Engine::DiskStreamCountMax() { |
|
|
return (pDiskThread) ? pDiskThread->ActiveStreamCountMax : 0; |
|
|
} |
|
|
|
|
|
String Engine::DiskStreamBufferFillBytes() { |
|
|
return pDiskThread->GetBufferFillBytes(); |
|
|
} |
|
|
|
|
|
String Engine::DiskStreamBufferFillPercentage() { |
|
|
return pDiskThread->GetBufferFillPercentage(); |
|
|
} |
|
|
|
|
|
String Engine::EngineName() { |
|
|
return "GigEngine"; |
|
|
} |
|
|
|
|
|
String Engine::InstrumentFileName() { |
|
|
return InstrumentFile; |
|
|
} |
|
|
|
|
|
int Engine::InstrumentIndex() { |
|
|
return InstrumentIdx; |
|
|
} |
|
|
|
|
|
int Engine::InstrumentStatus() { |
|
|
return InstrumentStat; |
|
|
} |
|
|
|
|
362 |
String Engine::Description() { |
String Engine::Description() { |
363 |
return "Gigasampler Engine"; |
return "GigaSampler Format Engine"; |
364 |
} |
} |
365 |
|
|
366 |
String Engine::Version() { |
String Engine::Version() { |
367 |
String s = "$Revision: 1.11 $"; |
String s = "$Revision: 1.105 $"; |
368 |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
369 |
} |
} |
370 |
|
|