1 |
/*************************************************************************** |
2 |
* * |
3 |
* LinuxSampler - modular, streaming capable sampler * |
4 |
* * |
5 |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
6 |
* Copyright (C) 2005, 2006 Christian Schoenebeck * |
7 |
* * |
8 |
* 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 * |
10 |
* the Free Software Foundation; either version 2 of the License, or * |
11 |
* (at your option) any later version. * |
12 |
* * |
13 |
* This program is distributed in the hope that it will be useful, * |
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
16 |
* GNU General Public License for more details. * |
17 |
* * |
18 |
* You should have received a copy of the GNU General Public License * |
19 |
* along with this program; if not, write to the Free Software * |
20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
21 |
* MA 02111-1307 USA * |
22 |
***************************************************************************/ |
23 |
|
24 |
#include "MidiInputPort.h" |
25 |
|
26 |
#include "../../Sampler.h" |
27 |
#include "../../engines/EngineFactory.h" |
28 |
|
29 |
namespace LinuxSampler { |
30 |
|
31 |
// *************** ParameterName *************** |
32 |
// * |
33 |
|
34 |
MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort) : DeviceRuntimeParameterString("Port " + ToString(pPort->GetPortNumber())) { |
35 |
this->pPort = pPort; |
36 |
} |
37 |
|
38 |
MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort, String val) : DeviceRuntimeParameterString(val) { |
39 |
this->pPort = pPort; |
40 |
} |
41 |
|
42 |
String MidiInputPort::ParameterName::Description() { |
43 |
return "Name for this port"; |
44 |
} |
45 |
|
46 |
bool MidiInputPort::ParameterName::Fix() { |
47 |
return false; |
48 |
} |
49 |
|
50 |
std::vector<String> MidiInputPort::ParameterName::PossibilitiesAsString() { |
51 |
return std::vector<String>(); |
52 |
} |
53 |
|
54 |
void MidiInputPort::ParameterName::OnSetValue(String s) throw (Exception) { |
55 |
return; /* FIXME: Nothing to do here */ |
56 |
} |
57 |
|
58 |
|
59 |
|
60 |
// *************** MidiInputPort *************** |
61 |
// * |
62 |
|
63 |
MidiInputPort::~MidiInputPort() { |
64 |
std::map<String,DeviceRuntimeParameter*>::iterator iter = Parameters.begin(); |
65 |
while (iter != Parameters.end()) { |
66 |
delete iter->second; |
67 |
iter++; |
68 |
} |
69 |
Parameters.clear(); |
70 |
} |
71 |
|
72 |
MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber) |
73 |
: MidiChannelMapReader(MidiChannelMap), |
74 |
SysexListenersReader(SysexListeners) { |
75 |
this->pDevice = pDevice; |
76 |
this->portNumber = portNumber; |
77 |
Parameters["NAME"] = new ParameterName(this); |
78 |
pPreviousProgramChangeEngineChannel = NULL; |
79 |
} |
80 |
|
81 |
MidiInputDevice* MidiInputPort::GetDevice() { |
82 |
return pDevice; |
83 |
} |
84 |
|
85 |
uint MidiInputPort::GetPortNumber() { |
86 |
return portNumber; |
87 |
} |
88 |
|
89 |
std::map<String,DeviceRuntimeParameter*> MidiInputPort::PortParameters() { |
90 |
return Parameters; |
91 |
} |
92 |
|
93 |
void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel) { |
94 |
const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock(); |
95 |
// dispatch event for engines listening to the same MIDI channel |
96 |
{ |
97 |
std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin(); |
98 |
std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end(); |
99 |
for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity); |
100 |
} |
101 |
// dispatch event for engines listening to ALL MIDI channels |
102 |
{ |
103 |
std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin(); |
104 |
std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end(); |
105 |
for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity); |
106 |
} |
107 |
MidiChannelMapReader.Unlock(); |
108 |
} |
109 |
|
110 |
void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) { |
111 |
const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock(); |
112 |
// dispatch event for engines listening to the same MIDI channel |
113 |
{ |
114 |
std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin(); |
115 |
std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end(); |
116 |
for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity); |
117 |
} |
118 |
// dispatch event for engines listening to ALL MIDI channels |
119 |
{ |
120 |
std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin(); |
121 |
std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end(); |
122 |
for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity); |
123 |
} |
124 |
MidiChannelMapReader.Unlock(); |
125 |
} |
126 |
|
127 |
void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) { |
128 |
const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock(); |
129 |
// dispatch event for engines listening to the same MIDI channel |
130 |
{ |
131 |
std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin(); |
132 |
std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end(); |
133 |
for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch); |
134 |
} |
135 |
// dispatch event for engines listening to ALL MIDI channels |
136 |
{ |
137 |
std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin(); |
138 |
std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end(); |
139 |
for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch); |
140 |
} |
141 |
MidiChannelMapReader.Unlock(); |
142 |
} |
143 |
|
144 |
void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) { |
145 |
const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock(); |
146 |
// dispatch event for engines listening to the same MIDI channel |
147 |
{ |
148 |
std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin(); |
149 |
std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end(); |
150 |
for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value); |
151 |
} |
152 |
// dispatch event for engines listening to ALL MIDI channels |
153 |
{ |
154 |
std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin(); |
155 |
std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end(); |
156 |
for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value); |
157 |
} |
158 |
MidiChannelMapReader.Unlock(); |
159 |
} |
160 |
|
161 |
void MidiInputPort::DispatchSysex(void* pData, uint Size) { |
162 |
const std::set<Engine*> allEngines = SysexListenersReader.Lock(); |
163 |
// dispatch event to all engine instances |
164 |
std::set<Engine*>::iterator engineiter = allEngines.begin(); |
165 |
std::set<Engine*>::iterator end = allEngines.end(); |
166 |
for (; engineiter != end; engineiter++) (*engineiter)->SendSysex(pData, Size); |
167 |
SysexListenersReader.Unlock(); |
168 |
} |
169 |
|
170 |
void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) { |
171 |
if (!pDevice || !pDevice->pSampler) { |
172 |
std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change." |
173 |
<< "This is a bug, please report it!\n" << std::flush; |
174 |
return; |
175 |
} |
176 |
|
177 |
Sampler* pSampler = (Sampler*) pDevice->pSampler; |
178 |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(Program); |
179 |
if (!pSamplerChannel) return; |
180 |
|
181 |
EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); |
182 |
if (!pEngineChannel) return; |
183 |
|
184 |
// disconnect from the engine channel which was connected by the last PC event |
185 |
if (pPreviousProgramChangeEngineChannel) |
186 |
Disconnect(pPreviousProgramChangeEngineChannel); |
187 |
|
188 |
// now connect to the new engine channel and remember it |
189 |
try { |
190 |
Connect(pEngineChannel, (midi_chan_t) MidiChannel); |
191 |
pPreviousProgramChangeEngineChannel = pEngineChannel; |
192 |
} |
193 |
catch (...) { /* NOOP */ } |
194 |
} |
195 |
|
196 |
void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) { |
197 |
if (MidiChannel < 0 || MidiChannel > 16) |
198 |
throw MidiInputException("MIDI channel index out of bounds"); |
199 |
|
200 |
// first check if desired connection is already established |
201 |
MidiChannelMapMutex.Lock(); |
202 |
MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate(); |
203 |
bool bAlreadyDone = midiChannelMap[MidiChannel].count(pEngineChannel); |
204 |
MidiChannelMapMutex.Unlock(); |
205 |
if (bAlreadyDone) return; |
206 |
|
207 |
// remove all other connections of that engine channel (if any) |
208 |
Disconnect(pEngineChannel); |
209 |
|
210 |
// register engine channel on the desired MIDI channel |
211 |
MidiChannelMapMutex.Lock(); |
212 |
MidiChannelMap.GetConfigForUpdate()[MidiChannel].insert(pEngineChannel); |
213 |
MidiChannelMap.SwitchConfig()[MidiChannel].insert(pEngineChannel); |
214 |
MidiChannelMapMutex.Unlock(); |
215 |
|
216 |
// inform engine channel about this connection |
217 |
pEngineChannel->Connect(this, MidiChannel); |
218 |
|
219 |
// mark engine channel as changed |
220 |
pEngineChannel->StatusChanged(true); |
221 |
} |
222 |
|
223 |
void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) { |
224 |
if (!pEngineChannel) return; |
225 |
|
226 |
bool bChannelFound = false; |
227 |
|
228 |
// unregister engine channel from all MIDI channels |
229 |
MidiChannelMapMutex.Lock(); |
230 |
try { |
231 |
{ |
232 |
MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate(); |
233 |
for (int i = 0; i <= 16; i++) { |
234 |
bChannelFound |= midiChannelMap[i].count(pEngineChannel); |
235 |
midiChannelMap[i].erase(pEngineChannel); |
236 |
} |
237 |
} |
238 |
// do the same update again, after switching to the other config |
239 |
{ |
240 |
MidiChannelMap_t& midiChannelMap = MidiChannelMap.SwitchConfig(); |
241 |
for (int i = 0; i <= 16; i++) { |
242 |
bChannelFound |= midiChannelMap[i].count(pEngineChannel); |
243 |
midiChannelMap[i].erase(pEngineChannel); |
244 |
} |
245 |
} |
246 |
} |
247 |
catch(...) { /* NOOP */ } |
248 |
MidiChannelMapMutex.Unlock(); |
249 |
|
250 |
// inform engine channel about the disconnection (if there is one) |
251 |
if (bChannelFound) pEngineChannel->DisconnectMidiInputPort(); |
252 |
|
253 |
// mark engine channel as changed |
254 |
pEngineChannel->StatusChanged(true); |
255 |
} |
256 |
|
257 |
SynchronizedConfig<std::set<LinuxSampler::Engine*> > MidiInputPort::SysexListeners; |
258 |
|
259 |
void MidiInputPort::AddSysexListener(Engine* engine) { |
260 |
std::pair<std::set<Engine*>::iterator, bool> p = SysexListeners.GetConfigForUpdate().insert(engine); |
261 |
if (p.second) SysexListeners.SwitchConfig().insert(engine); |
262 |
} |
263 |
|
264 |
bool MidiInputPort::RemoveSysexListener(Engine* engine) { |
265 |
int count = SysexListeners.GetConfigForUpdate().erase(engine); |
266 |
if (count) SysexListeners.SwitchConfig().erase(engine); |
267 |
return count; |
268 |
} |
269 |
|
270 |
} // namespace LinuxSampler |