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, 2006 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 * |
27 |
#include <vector> |
#include <vector> |
28 |
#include <map> |
#include <map> |
29 |
#include "common/global.h" |
#include "common/global.h" |
30 |
#include "common/LinuxSamplerException.h" |
#include "common/Exception.h" |
31 |
#include "engines/common/Engine.h" |
#include "engines/common/EngineChannel.h" |
32 |
#include "mididriver/MidiInputDevice.h" |
#include "drivers/midi/MidiInputDevice.h" |
33 |
#include "audiodriver/AudioOutputDevice.h" |
#include "drivers/audio/AudioOutputDevice.h" |
34 |
|
|
35 |
namespace LinuxSampler { |
namespace LinuxSampler { |
36 |
|
|
37 |
// just symbol prototyping |
// just symbol prototyping |
38 |
class Sampler; |
class Sampler; |
39 |
|
|
40 |
/** LinuxSampler sampler channel |
/** @brief LinuxSampler sampler channel |
41 |
* |
* |
42 |
* Encapsulates one sampler engine, one connection to a MIDI input |
* Encapsulates a channel of a specific sampler engine type, one |
43 |
* device and one connection to an audio output device. You cannot |
* connection to a MIDI input device and one connection to an audio |
44 |
* create an instance of this class on your own, you have to use the |
* output device. You cannot create an instance of this class on your |
45 |
* AddSamplerChannel() method of the Sampler object to create a new |
* own, you have to use the AddSamplerChannel() method of the Sampler |
46 |
* sampler channel. |
* object to create a new sampler channel. |
47 |
*/ |
*/ |
48 |
class SamplerChannel { |
class SamplerChannel { |
49 |
public: |
public: |
50 |
/** |
/** |
51 |
* Deploy a sampler engine of the given type for this sampler |
* Assign a sampler engine type to this sampler channel. |
|
* channnel. If there was already a sampler engine deployed on |
|
|
* this sampler channel, then the old engine will automatically |
|
|
* be destroyed. |
|
52 |
* |
* |
53 |
* @param EngineType - type of the engine to deploy |
* @param EngineType - type of the engine to use |
54 |
|
* @throws Exception - if \a EngineType is invalid |
55 |
*/ |
*/ |
56 |
void LoadEngine(Engine::type_t EngineType); // TODO: to be changed to 'void LoadEngine(String EngineType) throws (LinuxSamplerException);' |
void SetEngineType(String EngineType) throw (Exception); |
57 |
|
|
58 |
/** |
/** |
59 |
* Connect this sampler channel to an audio output device, that |
* Connect this sampler channel to an audio output device, that |
66 |
void SetAudioOutputDevice(AudioOutputDevice* pDevice); |
void SetAudioOutputDevice(AudioOutputDevice* pDevice); |
67 |
|
|
68 |
/** |
/** |
69 |
* Connect this sampler channel to and MIDI input device. |
* Connect this sampler channel to a MIDI input device. |
70 |
* |
* |
71 |
* @param pDevice - MIDI input device to connect to |
* @param pDevice - MIDI input device to connect to |
72 |
*/ |
*/ |
73 |
void SetMidiInputDevice(MidiInputDevice *pDevice); |
void SetMidiInputDevice(MidiInputDevice *pDevice); |
74 |
|
|
75 |
/** |
/** |
76 |
* Connect this sampler channel to and MIDI input port. |
* Connect this sampler channel to a MIDI input port. |
77 |
* |
* |
78 |
* @param MidiPort - MIDI port to connect to |
* @param MidiPort - MIDI port to connect to |
79 |
*/ |
*/ |
80 |
void SetMidiInputPort(int MidiPort); |
void SetMidiInputPort(int MidiPort); |
81 |
|
|
82 |
/** |
/** |
83 |
* Connect this sampler channel to and MIDI input channel. |
* Define on which MIDI channel(s) this sampler channel should |
84 |
|
* listen to. By default, that is after creation of a new |
85 |
|
* sampler channel, the sampler channel will listen to all MIDI |
86 |
|
* channels. |
87 |
* |
* |
88 |
* @param MidiChannel - MIDI channel to connect to |
* @param MidiChannel - MIDI channel to listen |
89 |
*/ |
*/ |
90 |
void SetMidiInputChannel(MidiInputDevice::MidiInputPort::midi_chan_t MidiChannel); |
void SetMidiInputChannel(midi_chan_t MidiChannel); |
91 |
|
|
92 |
/** |
/** |
93 |
* Connect this sampler channel to a MIDI input triplet. |
* Connect this sampler channel to a MIDI input triplet. |
94 |
* |
* |
95 |
* @param pDevice - MIDI input device to connect to |
* @param pDevice - MIDI input device to connect to |
96 |
* @param MidiPort - MIDI port to connect to |
* @param iMidiPort - MIDI port to connect to |
97 |
* @param MidiChannel - optional: MIDI channel on which the |
* @param MidiChannel - optional: MIDI channel on which the |
98 |
* sampler channel should listen to |
* sampler channel should listen to |
99 |
* (default: listen on all MIDI channels) |
* (default: listen on all MIDI channels) |
100 |
*/ |
*/ |
101 |
void SetMidiInput(MidiInputDevice* pDevice, int MidiPort, MidiInputDevice::MidiInputPort::midi_chan_t MidiChannel = MidiInputDevice::MidiInputPort::midi_chan_all); |
void SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel = midi_chan_all); |
102 |
|
|
103 |
/** |
/** |
104 |
* Returns the engine that was deployed on this sampler channel. |
* Returns the EngineChannel object that was deployed on this |
105 |
|
* sampler channel appropriate to the given sampler engine type. |
106 |
* |
* |
107 |
* @returns pointer to engine or NULL if no engine deployed |
* @returns pointer to engine or NULL if no engine deployed |
108 |
*/ |
*/ |
109 |
Engine* GetEngine(); |
EngineChannel* GetEngineChannel(); |
110 |
|
|
111 |
/** |
/** |
112 |
* Returns the MIDI input channel to which this sampler |
* Returns the MIDI input channel to which this sampler |
115 |
* @returns The MIDI input channel on which the sampler |
* @returns The MIDI input channel on which the sampler |
116 |
* channel is listening to. |
* channel is listening to. |
117 |
*/ |
*/ |
118 |
MidiInputDevice::MidiInputPort::midi_chan_t GetMidiInputChannel(); |
midi_chan_t GetMidiInputChannel(); |
119 |
|
|
120 |
/** |
/** |
121 |
* Returns the MIDI input port number to which this sampler |
* Returns the MIDI input port number to which this sampler |
151 |
|
|
152 |
protected: |
protected: |
153 |
SamplerChannel(Sampler* pS); |
SamplerChannel(Sampler* pS); |
154 |
~SamplerChannel(); |
virtual ~SamplerChannel(); |
155 |
|
|
156 |
/** Getting MIDI input device port given its index number. */ |
/** Getting MIDI input device port given its index number. */ |
157 |
MidiInputDevice::MidiInputPort* GetMidiInputDevicePort(int MidiPort); |
MidiInputPort* __GetMidiInputDevicePort(int iMidiPort); |
158 |
|
|
159 |
Sampler* pSampler; |
Sampler* pSampler; |
160 |
Engine* pEngine; |
EngineChannel* pEngineChannel; |
161 |
AudioOutputDevice* pAudioOutputDevice; |
AudioOutputDevice* pAudioOutputDevice; |
162 |
MidiInputDevice* pMidiInputDevice; |
MidiInputDevice* pMidiInputDevice; |
|
int midiPort; |
|
|
MidiInputDevice::MidiInputPort::midi_chan_t midiChannel; |
|
163 |
int iIndex; |
int iIndex; |
164 |
|
|
165 |
friend class Sampler; |
friend class Sampler; |
166 |
|
private: |
167 |
|
int iMidiPort; ///< Don't access directly, read GetMidiInputPort() instead ! |
168 |
|
midi_chan_t midiChannel; ///< Don't access directly, read GetMidiInputChannel() instead ! |
169 |
}; |
}; |
170 |
|
|
171 |
/** LinuxSampler main class |
/** @brief LinuxSampler main class |
172 |
* |
* |
173 |
* This is the toplevel class for a LinuxSampler instance. |
* This is the toplevel class for a LinuxSampler instance. |
174 |
* |
* |
176 |
* sampler channel can individually be deployed with it's own sampler |
* sampler channel can individually be deployed with it's own sampler |
177 |
* engine, connected to an arbitrary MIDI input device and connected to |
* engine, connected to an arbitrary MIDI input device and connected to |
178 |
* an arbitrary audio output device. Here an example setup: |
* an arbitrary audio output device. Here an example setup: |
179 |
|
* @code |
180 |
|
* S.Channel. MIDI in S.Engine Audio out |
181 |
|
* ------------------------------------------------------------------- |
182 |
|
* 0 Alsa -> gig::Engine -> Jack |
183 |
|
* 1 VSTi -> Akai::Engine -> VSTi |
184 |
|
* 2 Jack -> DLS::Engine -> Jack |
185 |
|
* 3 Jack -> SF::Engine -> Alsa |
186 |
* |
* |
187 |
* S.Channel. MIDI in S.Engine Audio out |
* ... (and so on) ... |
188 |
* ------------------------------------------------------------------- |
* @endcode |
|
* 0 Alsa -> gig::Engine -> Jack |
|
|
* 1 VSTi -> Akai::Engine -> VSTi |
|
|
* 2 Jack -> DLS::Engine -> Jack |
|
|
* 3 Jack -> SF::Engine -> Alsa |
|
|
* |
|
|
* ... (and so on) ... |
|
189 |
* |
* |
190 |
* Note that not all audio and MIDI backends and sampler engines listed |
* Note that not all audio and MIDI backends and sampler engines listed |
191 |
* in the example above are already implemented! |
* in the example above are already implemented! |
194 |
* several, different audio output and MIDI input systems |
* several, different audio output and MIDI input systems |
195 |
* simultaniously at the same time. Here the example setup shown in the |
* simultaniously at the same time. Here the example setup shown in the |
196 |
* ascpect of MIDI input and audio output devices / drivers: |
* ascpect of MIDI input and audio output devices / drivers: |
197 |
* |
* @code |
198 |
* ######################### ######################### |
* ######################### ######################### |
199 |
* # AudioOutputDeviceJack # # AudioOutputDeviceVSTi # |
* # AudioOutputDeviceJack # # AudioOutputDeviceVSTi # |
200 |
* ######################### ######################### |
* ######################### ######################### |
201 |
* ^ ^ ^ |
* ^ ^ ^ |
202 |
* /------------>|Sampler Channel 0|-----/ | | |
* /------------>|Sampler Channel 0|-----/ | | |
203 |
* | /--------->|Sampler Channel 1|---------------------/ |
* | /--------->|Sampler Channel 1|---------------------/ |
204 |
* | | /---->|Sampler Channel 2|---------/ |
* | | /------>|Sampler Channel 2|---------/ |
205 |
* | | | /->|Sampler Channel 3|------------>######################### |
* | | | /--->|Sampler Channel 3|------------>######################### |
206 |
* | | | | ... (and so on) ... # AudioOutputDeviceAlsa # |
* | | | | ... (and so on) ... # AudioOutputDeviceAlsa # |
207 |
* | | | | ######################### |
* | | | | ######################### |
208 |
* | | | \----------------------------------------------------\ |
* | | | \-----------------------------------------------------\ |
209 |
* | | \-------------------------------------------\ | |
* | | \--------------------------------------------\ | |
210 |
* | \--------------------\ | | |
* | \--------------------\ | | |
211 |
* | | | | |
* | | | | |
212 |
* ####################### ####################### ####################### |
* ####################### ####################### ####################### |
213 |
* # MidiInputDeviceAlsa # # MidiInputDeviceVSTi # # MidiInputDeviceJack # |
* # MidiInputDeviceAlsa # # MidiInputDeviceVSTi # # MidiInputDeviceJack # |
214 |
* ####################### ####################### ####################### |
* ####################### ####################### ####################### |
215 |
|
* @endcode |
216 |
* |
* |
217 |
* As you can see in this example setup, one device (that is midi input |
* As you can see in this example setup, one device (that is midi input |
218 |
* driver / audio output driver) can be connected multiple times to |
* driver / audio output driver) can be connected multiple times to |
228 |
/** |
/** |
229 |
* Destructor. |
* Destructor. |
230 |
*/ |
*/ |
231 |
~Sampler(); |
virtual ~Sampler(); |
232 |
|
|
233 |
/** |
/** |
234 |
* Returns the number of sampler channels currently allocated. |
* Returns the number of sampler channels currently allocated. |
236 |
uint SamplerChannels(); |
uint SamplerChannels(); |
237 |
|
|
238 |
/** |
/** |
239 |
* Create and add a new sampler channel to this Sampler instance. |
* Create and add a new sampler channel to this Sampler |
240 |
|
* instance. For race condition reasons the new channel will use |
241 |
|
* an index past the last already existing sampler channel |
242 |
|
* index (in case the index limit was not reached yet, otherwise |
243 |
|
* a free index starting from 0 is searched). |
244 |
* |
* |
245 |
* @returns pointer to new sampler channel |
* @returns pointer to new sampler channel |
246 |
*/ |
*/ |
255 |
SamplerChannel* GetSamplerChannel(uint uiSamplerChannel); |
SamplerChannel* GetSamplerChannel(uint uiSamplerChannel); |
256 |
|
|
257 |
/** |
/** |
258 |
|
* Returns all created sampler channels. |
259 |
|
*/ |
260 |
|
std::map<uint, SamplerChannel*> GetSamplerChannels(); |
261 |
|
|
262 |
|
/** |
263 |
* Destroy and remove the given sampler channel from this |
* Destroy and remove the given sampler channel from this |
264 |
* Sampler instance. |
* Sampler instance. |
265 |
* |
* |
276 |
*/ |
*/ |
277 |
void RemoveSamplerChannel(uint uiSamplerChannel); |
void RemoveSamplerChannel(uint uiSamplerChannel); |
278 |
|
|
279 |
|
/** |
280 |
|
* Returns the names of all available audio output drivers. |
281 |
|
*/ |
282 |
std::vector<String> AvailableAudioOutputDrivers(); |
std::vector<String> AvailableAudioOutputDrivers(); |
283 |
|
|
284 |
/** |
/** |
288 |
* @param Parameters - eventually needed driver parameters to |
* @param Parameters - eventually needed driver parameters to |
289 |
* create the device |
* create the device |
290 |
* @returns pointer to created audio output device |
* @returns pointer to created audio output device |
291 |
* @throws LinuxSamplerException if device could not be created |
* @throws Exception if device could not be created |
292 |
*/ |
*/ |
293 |
AudioOutputDevice* CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (LinuxSamplerException); |
AudioOutputDevice* CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (Exception); |
294 |
|
|
295 |
/** |
/** |
296 |
* Create a midi input device. |
* Create a midi input device. |
299 |
* @param Parameters - eventually needed driver parameters to |
* @param Parameters - eventually needed driver parameters to |
300 |
* create the device |
* create the device |
301 |
* @returns pointer to created midi input device |
* @returns pointer to created midi input device |
302 |
* @throws LinuxSamplerException if device could not be created |
* @throws Exception if device could not be created |
303 |
*/ |
*/ |
304 |
MidiInputDevice* CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (LinuxSamplerException); |
MidiInputDevice* CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (Exception); |
305 |
|
|
306 |
|
/** |
307 |
|
* Returns the number of all created audio output devices. |
308 |
|
*/ |
309 |
uint AudioOutputDevices(); |
uint AudioOutputDevices(); |
310 |
|
|
311 |
|
/** |
312 |
|
* Returns the number of all created MIDI input devices. |
313 |
|
*/ |
314 |
uint MidiInputDevices(); |
uint MidiInputDevices(); |
315 |
|
|
316 |
|
/** |
317 |
|
* Returns all created audio output devices. |
318 |
|
*/ |
319 |
std::map<uint, AudioOutputDevice*> GetAudioOutputDevices(); |
std::map<uint, AudioOutputDevice*> GetAudioOutputDevices(); |
320 |
|
|
321 |
|
/** |
322 |
|
* Returns all created MIDI input devices. |
323 |
|
*/ |
324 |
std::map<uint, MidiInputDevice*> GetMidiInputDevices(); |
std::map<uint, MidiInputDevice*> GetMidiInputDevices(); |
325 |
|
|
326 |
void DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (LinuxSamplerException); |
/** |
327 |
void DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (LinuxSamplerException); |
* Destroy the given audio output device and takes care if there |
328 |
|
* are still sampler angines connected to this device, etc. |
329 |
|
* |
330 |
|
* @throws Exception if sampler channels are still |
331 |
|
* connected to the device |
332 |
|
*/ |
333 |
|
void DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception); |
334 |
|
|
335 |
|
/** |
336 |
|
* Destroy the given MIDI input device and takes care if there |
337 |
|
* are still sampler angines connected to this device, etc. |
338 |
|
* |
339 |
|
* @throws Exception if sampler channels are still |
340 |
|
* connected to the device |
341 |
|
*/ |
342 |
|
void DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception); |
343 |
|
|
344 |
|
/** |
345 |
|
* Gets the current number of all active voices. |
346 |
|
* @returns The current number of all active voices. |
347 |
|
*/ |
348 |
|
int GetVoiceCount(); |
349 |
|
|
350 |
|
/** |
351 |
|
* Reset the whole sampler. Destroy all engines, sampler |
352 |
|
* channels, MIDI input devices and audio output devices. |
353 |
|
*/ |
354 |
|
void Reset(); |
355 |
|
|
356 |
protected: |
protected: |
357 |
typedef std::map<uint, AudioOutputDevice*> AudioOutputDeviceMap; |
typedef std::map<uint, AudioOutputDevice*> AudioOutputDeviceMap; |
358 |
typedef std::map<uint, MidiInputDevice*> MidiInputDeviceMap; |
typedef std::map<uint, MidiInputDevice*> MidiInputDeviceMap; |
359 |
|
typedef std::map<uint, SamplerChannel*> SamplerChannelMap; |
360 |
|
|
361 |
std::vector<SamplerChannel*> vSamplerChannels; ///< contains all created sampler channels |
SamplerChannelMap mSamplerChannels; ///< contains all created sampler channels |
362 |
AudioOutputDeviceMap mAudioOutputDevices; ///< contains all created audio output devices |
AudioOutputDeviceMap mAudioOutputDevices; ///< contains all created audio output devices |
363 |
MidiInputDeviceMap mMidiInputDevices; |
MidiInputDeviceMap mMidiInputDevices; ///< contains all created MIDI input devices |
|
|
|
|
template<class T> inline String ToString(T o) { |
|
|
std::stringstream ss; |
|
|
ss << o; |
|
|
return ss.str(); |
|
|
} |
|
364 |
|
|
365 |
friend class SamplerChannel; |
friend class SamplerChannel; |
366 |
}; |
}; |