142 |
uint SamplerChannel::Index() { |
uint SamplerChannel::Index() { |
143 |
if (iIndex >= 0) return iIndex; |
if (iIndex >= 0) return iIndex; |
144 |
|
|
145 |
std::vector<SamplerChannel*>::iterator iter = pSampler->vSamplerChannels.begin(); |
Sampler::SamplerChannelMap::iterator iter = pSampler->mSamplerChannels.begin(); |
146 |
for (int i = 0; iter != pSampler->vSamplerChannels.end(); i++, iter++) { |
for (; iter != pSampler->mSamplerChannels.end(); iter++) { |
147 |
if (*iter == this) { |
if (iter->second == this) { |
148 |
iIndex = i; |
iIndex = iter->first; |
149 |
return i; |
return iIndex; |
150 |
} |
} |
151 |
} |
} |
152 |
|
|
153 |
throw LinuxSamplerException("SamplerChannel index not found"); |
throw LinuxSamplerException("Internal error: SamplerChannel index not found"); |
154 |
} |
} |
155 |
|
|
156 |
MidiInputDevice::MidiInputPort* SamplerChannel::GetMidiInputDevicePort(int MidiPort) { |
MidiInputDevice::MidiInputPort* SamplerChannel::GetMidiInputDevicePort(int MidiPort) { |
169 |
Sampler::~Sampler() { |
Sampler::~Sampler() { |
170 |
// delete sampler channels |
// delete sampler channels |
171 |
{ |
{ |
172 |
std::vector<SamplerChannel*>::iterator iter = vSamplerChannels.begin(); |
SamplerChannelMap::iterator iter = mSamplerChannels.begin(); |
173 |
for (; iter != vSamplerChannels.end(); iter++) delete *iter; |
for (; iter != mSamplerChannels.end(); iter++) delete iter->second; |
174 |
} |
} |
175 |
|
|
176 |
// delete midi input devices |
// delete midi input devices |
195 |
} |
} |
196 |
|
|
197 |
uint Sampler::SamplerChannels() { |
uint Sampler::SamplerChannels() { |
198 |
return vSamplerChannels.size(); |
return mSamplerChannels.size(); |
199 |
} |
} |
200 |
|
|
201 |
SamplerChannel* Sampler::AddSamplerChannel() { |
SamplerChannel* Sampler::AddSamplerChannel() { |
202 |
|
// if there's no sampler channel yet |
203 |
|
if (!mSamplerChannels.size()) { |
204 |
|
SamplerChannel* pChannel = new SamplerChannel(this); |
205 |
|
mSamplerChannels[0] = pChannel; |
206 |
|
return pChannel; |
207 |
|
} |
208 |
|
|
209 |
|
// get the highest used sampler channel index |
210 |
|
uint lastIndex = (--(mSamplerChannels.end()))->first; |
211 |
|
|
212 |
|
// check if we reached the index limit |
213 |
|
if (lastIndex + 1 < lastIndex) { |
214 |
|
// search for an unoccupied sampler channel index starting from 0 |
215 |
|
for (uint i = 0; i < lastIndex; i++) { |
216 |
|
if (mSamplerChannels.find(i) != mSamplerChannels.end()) continue; |
217 |
|
// we found an unused index, so insert the new channel there |
218 |
|
SamplerChannel* pChannel = new SamplerChannel(this); |
219 |
|
mSamplerChannels[i] = pChannel; |
220 |
|
return pChannel; |
221 |
|
} |
222 |
|
throw LinuxSamplerException("Internal error: could not find unoccupied sampler channel index."); |
223 |
|
} |
224 |
|
|
225 |
|
// we have not reached the index limit so we just add the channel past the highest index |
226 |
SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
227 |
vSamplerChannels.push_back(pChannel); |
mSamplerChannels[lastIndex + 1] = pChannel; |
228 |
return pChannel; |
return pChannel; |
229 |
} |
} |
230 |
|
|
231 |
SamplerChannel* Sampler::GetSamplerChannel(uint uiSamplerChannel) { |
SamplerChannel* Sampler::GetSamplerChannel(uint uiSamplerChannel) { |
232 |
if (uiSamplerChannel >= SamplerChannels()) return NULL; |
return (mSamplerChannels.find(uiSamplerChannel) != mSamplerChannels.end()) ? mSamplerChannels[uiSamplerChannel] : NULL; |
233 |
return vSamplerChannels[uiSamplerChannel]; |
} |
234 |
|
|
235 |
|
std::map<uint, SamplerChannel*> Sampler::GetSamplerChannels() { |
236 |
|
return mSamplerChannels; |
237 |
} |
} |
238 |
|
|
239 |
void Sampler::RemoveSamplerChannel(SamplerChannel* pSamplerChannel) { |
void Sampler::RemoveSamplerChannel(SamplerChannel* pSamplerChannel) { |
240 |
std::vector<SamplerChannel*>::iterator iterChan = vSamplerChannels.begin(); |
SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
241 |
for (; iterChan != vSamplerChannels.end(); iterChan++) { |
for (; iterChan != mSamplerChannels.end(); iterChan++) { |
242 |
if (*iterChan == pSamplerChannel) { |
if (iterChan->second == pSamplerChannel) { |
243 |
vSamplerChannels.erase(iterChan); |
mSamplerChannels.erase(iterChan); |
244 |
delete pSamplerChannel; |
delete pSamplerChannel; |
245 |
return; |
return; |
246 |
} |
} |