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#include "Sampler.h" |
#include "Sampler.h" |
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#include "audiodriver/AudioOutputDeviceFactory.h" |
#include "drivers/audio/AudioOutputDeviceFactory.h" |
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#include "mididriver/MidiInputDeviceFactory.h" |
#include "drivers/midi/MidiInputDeviceFactory.h" |
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#include "engines/gig/Engine.h" |
#include "engines/gig/Engine.h" |
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namespace LinuxSampler { |
namespace LinuxSampler { |
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void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) { |
void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) { |
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SetMidiInput(pDevice, this->midiPort, this->midiChannel); |
SetMidiInput(pDevice, this->midiPort, this->midiChannel); |
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} |
} |
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void SamplerChannel::SetMidiInputPort(int MidiPort) { |
void SamplerChannel::SetMidiInputPort(int MidiPort) { |
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SetMidiInput(pMidiInputDevice, MidiPort, this->midiChannel); |
SetMidiInput(pMidiInputDevice, MidiPort, this->midiChannel); |
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} |
} |
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void SamplerChannel::SetMidiInputChannel(MidiInputDevice::MidiInputPort::midi_chan_t MidiChannel) { |
void SamplerChannel::SetMidiInputChannel(MidiInputDevice::MidiInputPort::midi_chan_t MidiChannel) { |
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SetMidiInput(pMidiInputDevice, this->midiPort, MidiChannel); |
SetMidiInput(pMidiInputDevice, this->midiPort, MidiChannel); |
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} |
} |
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void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int MidiPort, MidiInputDevice::MidiInputPort::midi_chan_t MidiChannel) { |
void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int MidiPort, MidiInputDevice::MidiInputPort::midi_chan_t MidiChannel) { |
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// dereference old midi input port. |
// dereference old midi input port. |
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MidiInputDevice::MidiInputPort *pMidiInputPort = GetMidiInputDevicePort(this->midiPort); |
MidiInputDevice::MidiInputPort *pMidiInputPort = GetMidiInputDevicePort(this->midiPort); |
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uint SamplerChannel::Index() { |
uint SamplerChannel::Index() { |
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if (iIndex >= 0) return iIndex; |
if (iIndex >= 0) return iIndex; |
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std::vector<SamplerChannel*>::iterator iter = pSampler->vSamplerChannels.begin(); |
Sampler::SamplerChannelMap::iterator iter = pSampler->mSamplerChannels.begin(); |
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for (int i = 0; iter != pSampler->vSamplerChannels.end(); i++, iter++) { |
for (; iter != pSampler->mSamplerChannels.end(); iter++) { |
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if (*iter == this) { |
if (iter->second == this) { |
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iIndex = i; |
iIndex = iter->first; |
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return i; |
return iIndex; |
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} |
} |
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} |
} |
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throw LinuxSamplerException("SamplerChannel index not found"); |
throw LinuxSamplerException("Internal error: SamplerChannel index not found"); |
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} |
} |
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MidiInputDevice::MidiInputPort* SamplerChannel::GetMidiInputDevicePort(int MidiPort) { |
MidiInputDevice::MidiInputPort* SamplerChannel::GetMidiInputDevicePort(int MidiPort) { |
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return pMidiInputPort; |
return pMidiInputPort; |
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} |
} |
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// ****************************************************************** |
// ****************************************************************** |
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// * Sampler |
// * Sampler |
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} |
} |
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Sampler::~Sampler() { |
Sampler::~Sampler() { |
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// delete sampler channels |
Reset(); |
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{ |
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std::vector<SamplerChannel*>::iterator iter = vSamplerChannels.begin(); |
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for (; iter != vSamplerChannels.end(); iter++) delete *iter; |
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} |
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// delete midi input devices |
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{ |
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MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); |
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for (; iter != mMidiInputDevices.end(); iter++) { |
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MidiInputDevice* pDevice = iter->second; |
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pDevice->StopListen(); |
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delete pDevice; |
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} |
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} |
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// delete audio output devices |
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{ |
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AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
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for (; iter != mAudioOutputDevices.end(); iter++) { |
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AudioOutputDevice* pDevice = iter->second; |
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pDevice->Stop(); |
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delete pDevice; |
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} |
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} |
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} |
} |
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uint Sampler::SamplerChannels() { |
uint Sampler::SamplerChannels() { |
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return vSamplerChannels.size(); |
return mSamplerChannels.size(); |
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} |
} |
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SamplerChannel* Sampler::AddSamplerChannel() { |
SamplerChannel* Sampler::AddSamplerChannel() { |
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// if there's no sampler channel yet |
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if (!mSamplerChannels.size()) { |
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SamplerChannel* pChannel = new SamplerChannel(this); |
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mSamplerChannels[0] = pChannel; |
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return pChannel; |
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} |
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// get the highest used sampler channel index |
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uint lastIndex = (--(mSamplerChannels.end()))->first; |
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// check if we reached the index limit |
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if (lastIndex + 1 < lastIndex) { |
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// search for an unoccupied sampler channel index starting from 0 |
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for (uint i = 0; i < lastIndex; i++) { |
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if (mSamplerChannels.find(i) != mSamplerChannels.end()) continue; |
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// we found an unused index, so insert the new channel there |
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SamplerChannel* pChannel = new SamplerChannel(this); |
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mSamplerChannels[i] = pChannel; |
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return pChannel; |
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} |
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throw LinuxSamplerException("Internal error: could not find unoccupied sampler channel index."); |
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} |
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// we have not reached the index limit so we just add the channel past the highest index |
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SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
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vSamplerChannels.push_back(pChannel); |
mSamplerChannels[lastIndex + 1] = pChannel; |
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return pChannel; |
return pChannel; |
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} |
} |
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SamplerChannel* Sampler::GetSamplerChannel(uint uiSamplerChannel) { |
SamplerChannel* Sampler::GetSamplerChannel(uint uiSamplerChannel) { |
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if (uiSamplerChannel >= SamplerChannels()) return NULL; |
return (mSamplerChannels.find(uiSamplerChannel) != mSamplerChannels.end()) ? mSamplerChannels[uiSamplerChannel] : NULL; |
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return vSamplerChannels[uiSamplerChannel]; |
} |
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std::map<uint, SamplerChannel*> Sampler::GetSamplerChannels() { |
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return mSamplerChannels; |
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} |
} |
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void Sampler::RemoveSamplerChannel(SamplerChannel* pSamplerChannel) { |
void Sampler::RemoveSamplerChannel(SamplerChannel* pSamplerChannel) { |
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std::vector<SamplerChannel*>::iterator iterChan = vSamplerChannels.begin(); |
SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
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for (; iterChan != vSamplerChannels.end(); iterChan++) { |
for (; iterChan != mSamplerChannels.end(); iterChan++) { |
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if (*iterChan == pSamplerChannel) { |
if (iterChan->second == pSamplerChannel) { |
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vSamplerChannels.erase(iterChan); |
mSamplerChannels.erase(iterChan); |
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delete pSamplerChannel; |
delete pSamplerChannel; |
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return; |
return; |
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} |
} |
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return pDevice; |
return pDevice; |
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} |
} |
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void Sampler::Reset() { |
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// delete sampler channels |
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try { |
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SamplerChannelMap::iterator iter = mSamplerChannels.begin(); |
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for (; iter != mSamplerChannels.end(); iter++) { |
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RemoveSamplerChannel(iter->second); |
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} |
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} |
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catch(...) { |
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std::cerr << "Sampler::Reset(): Exception occured while trying to delete all sampler channels, exiting.\n" << std::flush; |
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exit(EXIT_FAILURE); |
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} |
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// delete midi input devices |
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try { |
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MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); |
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for (; iter != mMidiInputDevices.end(); iter++) { |
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DestroyMidiInputDevice(iter->second); |
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} |
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} |
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catch(...) { |
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std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI input devices, exiting.\n" << std::flush; |
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exit(EXIT_FAILURE); |
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} |
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// delete audio output devices |
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try { |
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AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
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for (; iter != mAudioOutputDevices.end(); iter++) { |
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DestroyAudioOutputDevice(iter->second); |
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} |
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} |
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catch(...) { |
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std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush; |
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exit(EXIT_FAILURE); |
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} |
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} |
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} // namespace LinuxSampler |
} // namespace LinuxSampler |