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 Christian Schoenebeck * |
7 |
* * |
* * |
8 |
* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
9 |
* 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 * |
25 |
|
|
26 |
#include "Sampler.h" |
#include "Sampler.h" |
27 |
|
|
28 |
|
#include "engines/EngineFactory.h" |
29 |
|
#include "engines/EngineChannelFactory.h" |
30 |
#include "drivers/audio/AudioOutputDeviceFactory.h" |
#include "drivers/audio/AudioOutputDeviceFactory.h" |
31 |
#include "drivers/midi/MidiInputDeviceFactory.h" |
#include "drivers/midi/MidiInputDeviceFactory.h" |
32 |
#include "engines/gig/Engine.h" |
#include "network/lscpserver.h" |
33 |
|
|
34 |
namespace LinuxSampler { |
namespace LinuxSampler { |
35 |
|
|
38 |
|
|
39 |
SamplerChannel::SamplerChannel(Sampler* pS) { |
SamplerChannel::SamplerChannel(Sampler* pS) { |
40 |
pSampler = pS; |
pSampler = pS; |
41 |
pEngine = NULL; |
pEngineChannel = NULL; |
|
pMidiInputDevice = NULL; |
|
42 |
pAudioOutputDevice = NULL; |
pAudioOutputDevice = NULL; |
43 |
midiPort = 0; |
pMidiInputDevice = NULL; |
44 |
midiChannel = MidiInputDevice::MidiInputPort::midi_chan_all; |
iMidiPort = 0; |
45 |
|
midiChannel = midi_chan_all; |
46 |
iIndex = -1; |
iIndex = -1; |
47 |
} |
} |
48 |
|
|
49 |
SamplerChannel::~SamplerChannel() { |
SamplerChannel::~SamplerChannel() { |
50 |
if (pEngine) { |
if (pEngineChannel) { |
51 |
MidiInputDevice::MidiInputPort *pMidiInputPort = GetMidiInputDevicePort(this->midiPort); |
Engine* engine = pEngineChannel->GetEngine(); |
52 |
if (pMidiInputPort) pMidiInputPort->Disconnect(pEngine); |
if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); |
53 |
if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(pEngine); |
|
54 |
delete pEngine; |
MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel()); |
55 |
|
if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel); |
56 |
|
if (pEngineChannel) { |
57 |
|
if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); |
58 |
|
EngineChannelFactory::Destroy(pEngineChannel); |
59 |
|
|
60 |
|
// reconnect engine if it still exists |
61 |
|
const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
62 |
|
if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); |
63 |
|
} |
64 |
} |
} |
65 |
} |
} |
66 |
|
|
67 |
void SamplerChannel::LoadEngine(Engine::type_t EngineType) { |
void SamplerChannel::SetEngineType(String EngineType) throw (LinuxSamplerException) { |
68 |
dmsg(2,("SamplerChannel: Loading engine...")); |
dmsg(2,("SamplerChannel: Assigning engine type...")); |
69 |
|
|
70 |
// create new engine |
// create new engine channel |
71 |
Engine* pNewEngine = NULL; |
EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType); |
72 |
switch (EngineType) { |
if (!pNewEngineChannel) throw LinuxSamplerException("Unknown engine type"); |
73 |
case Engine::type_gig: |
|
74 |
pNewEngine = new gig::Engine; |
//FIXME: hack to allow fast retrieval of engine channel's sampler channel index |
75 |
break; |
pNewEngineChannel->iSamplerChannelIndex = Index(); |
|
default: |
|
|
throw LinuxSamplerException("Unknown engine type"); |
|
|
} |
|
76 |
|
|
77 |
// dereference midi input port. |
// dereference midi input port. |
78 |
MidiInputDevice::MidiInputPort *pMidiInputPort = GetMidiInputDevicePort(this->midiPort); |
MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); |
79 |
// disconnect old engine |
// disconnect old engine channel |
80 |
if (pEngine) { |
if (pEngineChannel) { |
81 |
if (pMidiInputPort) pMidiInputPort->Disconnect(pEngine); |
Engine* engine = pEngineChannel->GetEngine(); |
82 |
if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(pEngine); |
if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); |
83 |
delete pEngine; |
|
84 |
} |
if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel); |
85 |
|
if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); |
86 |
|
EngineChannelFactory::Destroy(pEngineChannel); |
87 |
|
|
88 |
|
// reconnect engine if it still exists |
89 |
|
const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
90 |
|
if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); |
91 |
|
} |
92 |
|
|
93 |
|
// connect new engine channel |
94 |
|
if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel()); |
95 |
|
if (pAudioOutputDevice) { |
96 |
|
pNewEngineChannel->Connect(pAudioOutputDevice); |
97 |
|
pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine()); |
98 |
|
} |
99 |
|
pEngineChannel = pNewEngineChannel; |
100 |
|
|
101 |
|
// from now on get MIDI device and port from EngineChannel object |
102 |
|
this->pMidiInputDevice = NULL; |
103 |
|
this->iMidiPort = 0; |
104 |
|
|
105 |
|
pEngineChannel->StatusChanged(true); |
106 |
|
|
|
// connect new engine |
|
|
pEngine = pNewEngine; |
|
|
if (pMidiInputPort) pMidiInputPort->Connect(pNewEngine, this->midiChannel); |
|
|
if (pAudioOutputDevice) pAudioOutputDevice->Connect(pNewEngine); |
|
107 |
dmsg(2,("OK\n")); |
dmsg(2,("OK\n")); |
108 |
} |
} |
109 |
|
|
110 |
void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) { |
void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) { |
111 |
// disconnect old device |
// disconnect old device |
112 |
if (pAudioOutputDevice && pEngine) pAudioOutputDevice->Disconnect(pEngine); |
if (pAudioOutputDevice && pEngineChannel) { |
113 |
|
Engine* engine = pEngineChannel->GetEngine(); |
114 |
|
pAudioOutputDevice->Disconnect(engine); |
115 |
|
|
116 |
|
pEngineChannel->DisconnectAudioOutputDevice(); |
117 |
|
|
118 |
|
// reconnect engine if it still exists |
119 |
|
const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
120 |
|
if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); |
121 |
|
} |
122 |
|
|
123 |
// connect new device |
// connect new device |
124 |
pAudioOutputDevice = pDevice; |
pAudioOutputDevice = pDevice; |
125 |
if (pEngine) pAudioOutputDevice->Connect(pEngine); |
if (pEngineChannel) { |
126 |
|
pEngineChannel->Connect(pAudioOutputDevice); |
127 |
|
pAudioOutputDevice->Connect(pEngineChannel->GetEngine()); |
128 |
|
} |
129 |
} |
} |
130 |
|
|
131 |
void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) { |
void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) { |
132 |
SetMidiInput(pDevice, this->midiPort, this->midiChannel); |
SetMidiInput(pDevice, 0, GetMidiInputChannel()); |
133 |
} |
} |
134 |
|
|
135 |
void SamplerChannel::SetMidiInputPort(int MidiPort) { |
void SamplerChannel::SetMidiInputPort(int MidiPort) { |
136 |
SetMidiInput(pMidiInputDevice, MidiPort, this->midiChannel); |
SetMidiInput(GetMidiInputDevice(), MidiPort, GetMidiInputChannel()); |
137 |
} |
} |
138 |
|
|
139 |
void SamplerChannel::SetMidiInputChannel(MidiInputDevice::MidiInputPort::midi_chan_t MidiChannel) { |
void SamplerChannel::SetMidiInputChannel(midi_chan_t MidiChannel) { |
140 |
SetMidiInput(pMidiInputDevice, this->midiPort, MidiChannel); |
SetMidiInput(GetMidiInputDevice(), GetMidiInputPort(), MidiChannel); |
141 |
} |
} |
142 |
|
|
143 |
void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int MidiPort, MidiInputDevice::MidiInputPort::midi_chan_t MidiChannel) { |
void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) { |
144 |
// dereference old midi input port. |
if (!pDevice) throw LinuxSamplerException("No MIDI input device assigned."); |
145 |
MidiInputDevice::MidiInputPort *pMidiInputPort = GetMidiInputDevicePort(this->midiPort); |
|
146 |
|
// get old and new midi input port |
147 |
|
MidiInputPort* pOldMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); |
148 |
|
MidiInputPort* pNewMidiInputPort = pDevice->GetPort(iMidiPort); |
149 |
|
|
150 |
// disconnect old device port |
// disconnect old device port |
151 |
if (pMidiInputPort && pEngine) pMidiInputPort->Disconnect(pEngine); |
if (pOldMidiInputPort && pEngineChannel) pOldMidiInputPort->Disconnect(pEngineChannel); |
152 |
// new device, port and channel |
// remember new device, port and channel if not engine channel yet created |
153 |
pMidiInputDevice = pDevice; |
if (!pEngineChannel) { |
154 |
this->midiPort = MidiPort; |
this->pMidiInputDevice = pDevice; |
155 |
this->midiChannel = MidiChannel; |
this->iMidiPort = iMidiPort; |
156 |
|
this->midiChannel = MidiChannel; |
157 |
|
} |
158 |
|
|
159 |
// connect new device port |
// connect new device port |
160 |
pMidiInputPort = GetMidiInputDevicePort(this->midiPort); |
if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel); |
|
if (pMidiInputPort && pEngine) pMidiInputPort->Connect(pEngine, MidiChannel); |
|
161 |
// Ooops. |
// Ooops. |
162 |
if (pMidiInputPort == NULL) |
if (pNewMidiInputPort == NULL) |
163 |
throw LinuxSamplerException("There is no MIDI input port with index " + ToString(MidiPort) + "."); |
throw LinuxSamplerException("There is no MIDI input port with index " + ToString(iMidiPort) + "."); |
164 |
} |
} |
165 |
|
|
166 |
Engine* SamplerChannel::GetEngine() { |
EngineChannel* SamplerChannel::GetEngineChannel() { |
167 |
return pEngine; |
return pEngineChannel; |
168 |
} |
} |
169 |
|
|
170 |
MidiInputDevice::MidiInputPort::midi_chan_t SamplerChannel::GetMidiInputChannel() { |
midi_chan_t SamplerChannel::GetMidiInputChannel() { |
171 |
|
if (pEngineChannel) this->midiChannel = pEngineChannel->MidiChannel(); |
172 |
return this->midiChannel; |
return this->midiChannel; |
173 |
} |
} |
174 |
|
|
175 |
int SamplerChannel::GetMidiInputPort() { |
int SamplerChannel::GetMidiInputPort() { |
176 |
MidiInputDevice::MidiInputPort *pMidiInputPort = GetMidiInputDevicePort(this->midiPort); |
MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : NULL; |
177 |
return (pMidiInputPort ? (int) pMidiInputPort->GetPortNumber() : -1); |
if (pMidiInputPort) this->iMidiPort = (int) pMidiInputPort->GetPortNumber(); |
178 |
|
return iMidiPort; |
179 |
} |
} |
180 |
|
|
181 |
AudioOutputDevice* SamplerChannel::GetAudioOutputDevice() { |
AudioOutputDevice* SamplerChannel::GetAudioOutputDevice() { |
183 |
} |
} |
184 |
|
|
185 |
MidiInputDevice* SamplerChannel::GetMidiInputDevice() { |
MidiInputDevice* SamplerChannel::GetMidiInputDevice() { |
186 |
|
if (pEngineChannel) |
187 |
|
pMidiInputDevice = (pEngineChannel->GetMidiInputPort()) ? pEngineChannel->GetMidiInputPort()->GetDevice() : NULL; |
188 |
return pMidiInputDevice; |
return pMidiInputDevice; |
189 |
} |
} |
190 |
|
|
202 |
throw LinuxSamplerException("Internal error: SamplerChannel index not found"); |
throw LinuxSamplerException("Internal error: SamplerChannel index not found"); |
203 |
} |
} |
204 |
|
|
205 |
MidiInputDevice::MidiInputPort* SamplerChannel::GetMidiInputDevicePort(int MidiPort) { |
MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) { |
206 |
MidiInputDevice::MidiInputPort *pMidiInputPort = NULL; |
MidiInputPort* pMidiInputPort = NULL; |
207 |
|
MidiInputDevice* pMidiInputDevice = GetMidiInputDevice(); |
208 |
if (pMidiInputDevice) |
if (pMidiInputDevice) |
209 |
pMidiInputPort = pMidiInputDevice->GetPort(MidiPort); |
pMidiInputPort = pMidiInputDevice->GetPort(iMidiPort); |
210 |
return pMidiInputPort; |
return pMidiInputPort; |
211 |
} |
} |
212 |
|
|
213 |
|
|
214 |
|
|
215 |
// ****************************************************************** |
// ****************************************************************** |
216 |
// * Sampler |
// * Sampler |
217 |
|
|
219 |
} |
} |
220 |
|
|
221 |
Sampler::~Sampler() { |
Sampler::~Sampler() { |
222 |
// delete sampler channels |
Reset(); |
|
{ |
|
|
SamplerChannelMap::iterator iter = mSamplerChannels.begin(); |
|
|
for (; iter != mSamplerChannels.end(); iter++) delete iter->second; |
|
|
} |
|
|
|
|
|
// delete midi input devices |
|
|
{ |
|
|
MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); |
|
|
for (; iter != mMidiInputDevices.end(); iter++) { |
|
|
MidiInputDevice* pDevice = iter->second; |
|
|
pDevice->StopListen(); |
|
|
delete pDevice; |
|
|
} |
|
|
} |
|
|
|
|
|
// delete audio output devices |
|
|
{ |
|
|
AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
|
|
for (; iter != mAudioOutputDevices.end(); iter++) { |
|
|
AudioOutputDevice* pDevice = iter->second; |
|
|
pDevice->Stop(); |
|
|
delete pDevice; |
|
|
} |
|
|
} |
|
223 |
} |
} |
224 |
|
|
225 |
uint Sampler::SamplerChannels() { |
uint Sampler::SamplerChannels() { |
231 |
if (!mSamplerChannels.size()) { |
if (!mSamplerChannels.size()) { |
232 |
SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
233 |
mSamplerChannels[0] = pChannel; |
mSamplerChannels[0] = pChannel; |
234 |
|
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, 1)); |
235 |
return pChannel; |
return pChannel; |
236 |
} |
} |
237 |
|
|
246 |
// we found an unused index, so insert the new channel there |
// we found an unused index, so insert the new channel there |
247 |
SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
248 |
mSamplerChannels[i] = pChannel; |
mSamplerChannels[i] = pChannel; |
249 |
|
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, i)); |
250 |
return pChannel; |
return pChannel; |
251 |
} |
} |
252 |
throw LinuxSamplerException("Internal error: could not find unoccupied sampler channel index."); |
throw LinuxSamplerException("Internal error: could not find unoccupied sampler channel index."); |
255 |
// we have not reached the index limit so we just add the channel past the highest index |
// we have not reached the index limit so we just add the channel past the highest index |
256 |
SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
257 |
mSamplerChannels[lastIndex + 1] = pChannel; |
mSamplerChannels[lastIndex + 1] = pChannel; |
258 |
|
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, lastIndex + 1)); |
259 |
return pChannel; |
return pChannel; |
260 |
} |
} |
261 |
|
|
273 |
if (iterChan->second == pSamplerChannel) { |
if (iterChan->second == pSamplerChannel) { |
274 |
mSamplerChannels.erase(iterChan); |
mSamplerChannels.erase(iterChan); |
275 |
delete pSamplerChannel; |
delete pSamplerChannel; |
276 |
|
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, mSamplerChannels.size())); |
277 |
return; |
return; |
278 |
} |
} |
279 |
} |
} |
336 |
|
|
337 |
// destroy and free device from memory |
// destroy and free device from memory |
338 |
delete pDevice; |
delete pDevice; |
339 |
|
|
340 |
|
break; |
341 |
} |
} |
342 |
} |
} |
343 |
} |
} |
358 |
|
|
359 |
// destroy and free device from memory |
// destroy and free device from memory |
360 |
delete pDevice; |
delete pDevice; |
361 |
|
|
362 |
|
break; |
363 |
} |
} |
364 |
} |
} |
365 |
} |
} |
366 |
|
|
367 |
MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) { |
MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) { |
368 |
// create new device |
// create new device |
369 |
MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters); |
MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this); |
370 |
|
|
371 |
// add new device to the midi device list |
// add new device to the midi device list |
372 |
for (uint i = 0; ; i++) { // seek for a free place starting from the beginning |
for (uint i = 0; ; i++) { // seek for a free place starting from the beginning |
379 |
return pDevice; |
return pDevice; |
380 |
} |
} |
381 |
|
|
382 |
|
int Sampler::GetVoiceCount() { |
383 |
|
int count = 0; |
384 |
|
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
385 |
|
|
386 |
|
for(; it != EngineFactory::EngineInstances().end(); it++) { |
387 |
|
count += (*it)->VoiceCount(); |
388 |
|
} |
389 |
|
|
390 |
|
return count; |
391 |
|
} |
392 |
|
|
393 |
|
void Sampler::Reset() { |
394 |
|
// delete sampler channels |
395 |
|
try { |
396 |
|
while (true) { |
397 |
|
SamplerChannelMap::iterator iter = mSamplerChannels.begin(); |
398 |
|
if (iter == mSamplerChannels.end()) break; |
399 |
|
RemoveSamplerChannel(iter->second); |
400 |
|
} |
401 |
|
} |
402 |
|
catch(...) { |
403 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all sampler channels, exiting.\n" << std::flush; |
404 |
|
exit(EXIT_FAILURE); |
405 |
|
} |
406 |
|
|
407 |
|
// delete midi input devices |
408 |
|
try { |
409 |
|
while (true) { |
410 |
|
MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); |
411 |
|
if (iter == mMidiInputDevices.end()) break; |
412 |
|
DestroyMidiInputDevice(iter->second); |
413 |
|
} |
414 |
|
} |
415 |
|
catch(...) { |
416 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI input devices, exiting.\n" << std::flush; |
417 |
|
exit(EXIT_FAILURE); |
418 |
|
} |
419 |
|
|
420 |
|
// delete audio output devices |
421 |
|
try { |
422 |
|
while (true) { |
423 |
|
AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
424 |
|
if (iter == mAudioOutputDevices.end()) break; |
425 |
|
DestroyAudioOutputDevice(iter->second); |
426 |
|
} |
427 |
|
} |
428 |
|
catch(...) { |
429 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush; |
430 |
|
exit(EXIT_FAILURE); |
431 |
|
} |
432 |
|
} |
433 |
|
|
434 |
} // namespace LinuxSampler |
} // namespace LinuxSampler |