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 * |
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* Copyright (C) 2005 Christian Schoenebeck * |
* Copyright (C) 2005, 2006 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
56 |
return true; |
return true; |
57 |
} |
} |
58 |
|
|
59 |
void AudioOutputDevice::ParameterActive::OnSetValue(bool b) throw (LinuxSamplerException) { |
void AudioOutputDevice::ParameterActive::OnSetValue(bool b) throw (Exception) { |
60 |
if (b) ((AudioOutputDevice*)pDevice)->Play(); |
if (b) ((AudioOutputDevice*)pDevice)->Play(); |
61 |
else ((AudioOutputDevice*)pDevice)->Stop(); |
else ((AudioOutputDevice*)pDevice)->Stop(); |
62 |
} |
} |
109 |
return std::vector<int>(); |
return std::vector<int>(); |
110 |
} |
} |
111 |
|
|
112 |
void AudioOutputDevice::ParameterSampleRate::OnSetValue(int i) throw (LinuxSamplerException) { |
void AudioOutputDevice::ParameterSampleRate::OnSetValue(int i) throw (Exception) { |
113 |
/* cannot happen, as parameter is fix */ |
/* cannot happen, as parameter is fix */ |
114 |
} |
} |
115 |
|
|
161 |
return std::vector<int>(); |
return std::vector<int>(); |
162 |
} |
} |
163 |
|
|
164 |
void AudioOutputDevice::ParameterChannels::OnSetValue(int i) throw (LinuxSamplerException) { |
void AudioOutputDevice::ParameterChannels::OnSetValue(int i) throw (Exception) { |
165 |
((AudioOutputDevice*)pDevice)->AcquireChannels(i); |
((AudioOutputDevice*)pDevice)->AcquireChannels(i); |
166 |
} |
} |
167 |
|
|
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// *************** AudioOutputDevice *************** |
// *************** AudioOutputDevice *************** |
175 |
// * |
// * |
176 |
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|
177 |
AudioOutputDevice::AudioOutputDevice(std::map<String,DeviceCreationParameter*> DriverParameters) { |
AudioOutputDevice::AudioOutputDevice(std::map<String,DeviceCreationParameter*> DriverParameters) |
178 |
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: EnginesReader(Engines) { |
179 |
this->Parameters = DriverParameters; |
this->Parameters = DriverParameters; |
180 |
} |
} |
181 |
|
|
184 |
{ |
{ |
185 |
std::vector<AudioChannel*>::iterator iter = Channels.begin(); |
std::vector<AudioChannel*>::iterator iter = Channels.begin(); |
186 |
while (iter != Channels.end()) { |
while (iter != Channels.end()) { |
|
Channels.erase(iter); |
|
187 |
delete *iter; |
delete *iter; |
188 |
iter++; |
iter++; |
189 |
} |
} |
190 |
|
Channels.clear(); |
191 |
} |
} |
192 |
|
|
193 |
// delete all device parameters |
// delete all device parameters |
194 |
{ |
{ |
195 |
std::map<String,DeviceCreationParameter*>::iterator iter = Parameters.begin(); |
std::map<String,DeviceCreationParameter*>::iterator iter = Parameters.begin(); |
196 |
while (iter != Parameters.end()) { |
while (iter != Parameters.end()) { |
|
Parameters.erase(iter); |
|
197 |
delete iter->second; |
delete iter->second; |
198 |
iter++; |
iter++; |
199 |
} |
} |
200 |
|
Parameters.clear(); |
201 |
} |
} |
202 |
} |
} |
203 |
|
|
204 |
void AudioOutputDevice::Connect(Engine* pEngine) { |
void AudioOutputDevice::Connect(Engine* pEngine) { |
205 |
if (Engines.find(pEngine) == Engines.end()) { |
std::set<Engine*>& engines = Engines.GetConfigForUpdate(); |
206 |
Engines.insert(pEngine); |
if (engines.find(pEngine) == engines.end()) { |
207 |
|
engines.insert(pEngine); |
208 |
|
Engines.SwitchConfig().insert(pEngine); |
209 |
// make sure the engine knows about the connection |
// make sure the engine knows about the connection |
210 |
//pEngine->Connect(this); |
//pEngine->Connect(this); |
211 |
} |
} |
212 |
} |
} |
213 |
|
|
214 |
void AudioOutputDevice::Disconnect(Engine* pEngine) { |
void AudioOutputDevice::Disconnect(Engine* pEngine) { |
215 |
if (Engines.find(pEngine) != Engines.end()) { // if clause to prevent disconnect loop |
std::set<Engine*>& engines = Engines.GetConfigForUpdate(); |
216 |
Engines.erase(pEngine); |
if (engines.find(pEngine) != engines.end()) { // if clause to prevent disconnect loop |
217 |
|
engines.erase(pEngine); |
218 |
|
Engines.SwitchConfig().erase(pEngine); |
219 |
// make sure the engine knows about the disconnection |
// make sure the engine knows about the disconnection |
220 |
//pEngine->DisconnectAudioOutputDevice(); |
//pEngine->DisconnectAudioOutputDevice(); |
221 |
} |
} |
251 |
int result = 0; |
int result = 0; |
252 |
|
|
253 |
// let all connected engines render audio for the current audio fragment cycle |
// let all connected engines render audio for the current audio fragment cycle |
254 |
|
const std::set<Engine*>& engines = EnginesReader.Lock(); |
255 |
#if CONFIG_RT_EXCEPTIONS |
#if CONFIG_RT_EXCEPTIONS |
256 |
try |
try |
257 |
#endif // CONFIG_RT_EXCEPTIONS |
#endif // CONFIG_RT_EXCEPTIONS |
258 |
{ |
{ |
259 |
std::set<Engine*>::iterator iterEngine = Engines.begin(); |
std::set<Engine*>::iterator iterEngine = engines.begin(); |
260 |
std::set<Engine*>::iterator end = Engines.end(); |
std::set<Engine*>::iterator end = engines.end(); |
261 |
for (; iterEngine != end; iterEngine++) { |
for (; iterEngine != end; iterEngine++) { |
262 |
int res = (*iterEngine)->RenderAudio(Samples); |
int res = (*iterEngine)->RenderAudio(Samples); |
263 |
if (res != 0) result = res; |
if (res != 0) result = res; |
270 |
} |
} |
271 |
#endif // CONFIG_RT_EXCEPTIONS |
#endif // CONFIG_RT_EXCEPTIONS |
272 |
|
|
273 |
|
EnginesReader.Unlock(); |
274 |
return result; |
return result; |
275 |
} |
} |
276 |
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