mirror of https://github.com/AxioDL/amuse.git
275 lines
10 KiB
C++
275 lines
10 KiB
C++
#include "amuse/BooBackend.hpp"
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#include "amuse/Engine.hpp"
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#include "amuse/Submix.hpp"
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#include "amuse/Voice.hpp"
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namespace amuse {
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void BooBackendVoice::VoiceCallback::preSupplyAudio(boo2::IAudioVoice&, double dt) {
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m_parent.m_clientVox.preSupplyAudio(dt);
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}
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size_t BooBackendVoice::VoiceCallback::supplyAudio(boo2::IAudioVoice&, size_t frames, int16_t* data) {
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return m_parent.m_clientVox.supplyAudio(frames, data);
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}
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void BooBackendVoice::VoiceCallback::routeAudio(size_t frames, size_t channels, double dt, int busId, int16_t* in,
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int16_t* out) {
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m_parent.m_clientVox.routeAudio(frames, dt, busId, in, out);
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}
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void BooBackendVoice::VoiceCallback::routeAudio(size_t frames, size_t channels, double dt, int busId, int32_t* in,
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int32_t* out) {
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m_parent.m_clientVox.routeAudio(frames, dt, busId, in, out);
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}
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void BooBackendVoice::VoiceCallback::routeAudio(size_t frames, size_t channels, double dt, int busId, float* in,
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float* out) {
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m_parent.m_clientVox.routeAudio(frames, dt, busId, in, out);
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}
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BooBackendVoice::BooBackendVoice(boo2::IAudioVoiceEngine& engine, Voice& clientVox, double sampleRate, bool dynamicPitch)
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: m_clientVox(clientVox), m_cb(*this), m_booVoice(engine.allocateNewMonoVoice(sampleRate, &m_cb, dynamicPitch)) {}
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void BooBackendVoice::resetSampleRate(double sampleRate) { m_booVoice->resetSampleRate(sampleRate); }
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void BooBackendVoice::resetChannelLevels() { m_booVoice->resetChannelLevels(); }
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void BooBackendVoice::setChannelLevels(IBackendSubmix* submix, const std::array<float, 8>& coefs, bool slew) {
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auto& smx = *static_cast<BooBackendSubmix*>(submix);
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m_booVoice->setMonoChannelLevels(smx.m_booSubmix.get(), coefs.data(), slew);
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}
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void BooBackendVoice::setPitchRatio(double ratio, bool slew) { m_booVoice->setPitchRatio(ratio, slew); }
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void BooBackendVoice::start() { m_booVoice->start(); }
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void BooBackendVoice::stop() { m_booVoice->stop(); }
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bool BooBackendSubmix::SubmixCallback::canApplyEffect() const { return m_parent.m_clientSmx.canApplyEffect(); }
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void BooBackendSubmix::SubmixCallback::applyEffect(float* audio, size_t frameCount, const boo2::ChannelMap& chanMap,
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double) const {
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return m_parent.m_clientSmx.applyEffect(audio, frameCount, reinterpret_cast<const ChannelMap&>(chanMap));
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}
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void BooBackendSubmix::SubmixCallback::resetOutputSampleRate(double sampleRate) {
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m_parent.m_clientSmx.resetOutputSampleRate(sampleRate);
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}
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BooBackendSubmix::BooBackendSubmix(boo2::IAudioVoiceEngine& engine, Submix& clientSmx, bool mainOut, int busId)
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: m_clientSmx(clientSmx), m_cb(*this), m_booSubmix(engine.allocateNewSubmix(mainOut, &m_cb, busId)) {}
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void BooBackendSubmix::setSendLevel(IBackendSubmix* submix, float level, bool slew) {
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BooBackendSubmix& smx = *reinterpret_cast<BooBackendSubmix*>(submix);
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m_booSubmix->setSendLevel(smx.m_booSubmix.get(), level, slew);
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}
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double BooBackendSubmix::getSampleRate() const { return m_booSubmix->getSampleRate(); }
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BooBackendMIDIReader::~BooBackendMIDIReader() {}
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BooBackendMIDIReader::BooBackendMIDIReader(Engine& engine, bool useLock)
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: m_engine(engine), m_decoder(*this), m_useLock(useLock) {
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BooBackendVoiceAllocator& voxAlloc = static_cast<BooBackendVoiceAllocator&>(engine.getBackend());
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auto devices = voxAlloc.m_booEngine.enumerateMIDIInputs();
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for (const auto& dev : devices) {
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auto midiIn =
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voxAlloc.m_booEngine.newRealMIDIIn(dev.first.c_str(), std::bind(&BooBackendMIDIReader::_MIDIReceive, this,
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std::placeholders::_1, std::placeholders::_2));
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if (midiIn)
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m_midiIns[dev.first] = std::move(midiIn);
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}
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if (voxAlloc.m_booEngine.supportsVirtualMIDIIn())
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m_virtualIn = voxAlloc.m_booEngine.newVirtualMIDIIn(
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std::bind(&BooBackendMIDIReader::_MIDIReceive, this, std::placeholders::_1, std::placeholders::_2));
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}
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void BooBackendMIDIReader::addMIDIIn(const char* name) {
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BooBackendVoiceAllocator& voxAlloc = static_cast<BooBackendVoiceAllocator&>(m_engine.getBackend());
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auto midiIn = voxAlloc.m_booEngine.newRealMIDIIn(
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name, std::bind(&BooBackendMIDIReader::_MIDIReceive, this, std::placeholders::_1, std::placeholders::_2));
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if (midiIn)
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m_midiIns[name] = std::move(midiIn);
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}
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void BooBackendMIDIReader::removeMIDIIn(const char* name) { m_midiIns.erase(name); }
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bool BooBackendMIDIReader::hasMIDIIn(const char* name) const { return m_midiIns.find(name) != m_midiIns.cend(); }
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void BooBackendMIDIReader::setVirtualIn(bool v) {
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if (v) {
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BooBackendVoiceAllocator& voxAlloc = static_cast<BooBackendVoiceAllocator&>(m_engine.getBackend());
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if (voxAlloc.m_booEngine.supportsVirtualMIDIIn())
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m_virtualIn = voxAlloc.m_booEngine.newVirtualMIDIIn(
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std::bind(&BooBackendMIDIReader::_MIDIReceive, this, std::placeholders::_1, std::placeholders::_2));
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} else {
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m_virtualIn.reset();
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}
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}
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bool BooBackendMIDIReader::hasVirtualIn() const { return m_virtualIn.operator bool(); }
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void BooBackendMIDIReader::_MIDIReceive(std::vector<uint8_t>&& bytes, double time) {
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std::unique_lock<std::mutex> lk(m_midiMutex, std::defer_lock_t{});
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if (m_useLock)
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lk.lock();
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m_queue.emplace_back(time, std::move(bytes));
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#if 0
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openlog("LogIt", (LOG_CONS|LOG_PERROR|LOG_PID), LOG_DAEMON);
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syslog(LOG_EMERG, "MIDI receive %f\n", time);
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closelog();
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#endif
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}
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void BooBackendMIDIReader::pumpReader(double dt) {
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dt += 0.001; /* Add 1ms to ensure consumer keeps up with producer */
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std::unique_lock<std::mutex> lk(m_midiMutex, std::defer_lock_t{});
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if (m_useLock)
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lk.lock();
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if (m_queue.empty())
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return;
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/* Determine range of buffer updates within this period */
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auto periodEnd = m_queue.cbegin();
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double startPt = m_queue.front().first;
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for (; periodEnd != m_queue.cend(); ++periodEnd) {
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double delta = periodEnd->first - startPt;
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if (delta > dt)
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break;
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}
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if (m_queue.cbegin() == periodEnd)
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return;
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/* Dispatch buffers */
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for (auto it = m_queue.begin(); it != periodEnd;) {
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#if 0
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char str[64];
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sprintf(str, "MIDI %zu %f ", it->second.size(), it->first);
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for (uint8_t byte : it->second)
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sprintf(str + strlen(str), "%02X ", byte);
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openlog("LogIt", (LOG_CONS|LOG_PERROR|LOG_PID), LOG_DAEMON);
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syslog(LOG_EMERG, "%s\n", str);
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closelog();
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#endif
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m_decoder.receiveBytes(it->second.cbegin(), it->second.cend());
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it = m_queue.erase(it);
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}
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}
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void BooBackendMIDIReader::noteOff(uint8_t chan, uint8_t key, uint8_t velocity) {
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for (ObjToken<Sequencer>& seq : m_engine.getActiveSequencers())
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seq->keyOff(chan, key, velocity);
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#if 0
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openlog("LogIt", (LOG_CONS|LOG_PERROR|LOG_PID), LOG_DAEMON);
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syslog(LOG_EMERG, "NoteOff %d", key);
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closelog();
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#endif
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}
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void BooBackendMIDIReader::noteOn(uint8_t chan, uint8_t key, uint8_t velocity) {
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for (ObjToken<Sequencer>& seq : m_engine.getActiveSequencers())
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seq->keyOn(chan, key, velocity);
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#if 0
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openlog("LogIt", (LOG_CONS|LOG_PERROR|LOG_PID), LOG_DAEMON);
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syslog(LOG_EMERG, "NoteOn %d", key);
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closelog();
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#endif
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}
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void BooBackendMIDIReader::notePressure(uint8_t /*chan*/, uint8_t /*key*/, uint8_t /*pressure*/) {}
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void BooBackendMIDIReader::controlChange(uint8_t chan, uint8_t control, uint8_t value) {
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for (ObjToken<Sequencer>& seq : m_engine.getActiveSequencers())
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seq->setCtrlValue(chan, control, value);
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}
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void BooBackendMIDIReader::programChange(uint8_t chan, uint8_t program) {
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for (ObjToken<Sequencer>& seq : m_engine.getActiveSequencers())
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seq->setChanProgram(chan, program);
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}
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void BooBackendMIDIReader::channelPressure(uint8_t /*chan*/, uint8_t /*pressure*/) {}
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void BooBackendMIDIReader::pitchBend(uint8_t chan, int16_t pitch) {
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for (ObjToken<Sequencer>& seq : m_engine.getActiveSequencers())
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seq->setPitchWheel(chan, (pitch - 0x2000) / float(0x2000));
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}
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void BooBackendMIDIReader::allSoundOff(uint8_t chan) {
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for (ObjToken<Sequencer>& seq : m_engine.getActiveSequencers())
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seq->allOff(chan, true);
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}
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void BooBackendMIDIReader::resetAllControllers(uint8_t /*chan*/) {}
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void BooBackendMIDIReader::localControl(uint8_t /*chan*/, bool /*on*/) {}
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void BooBackendMIDIReader::allNotesOff(uint8_t chan) {
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for (ObjToken<Sequencer>& seq : m_engine.getActiveSequencers())
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seq->allOff(chan, false);
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}
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void BooBackendMIDIReader::omniMode(uint8_t /*chan*/, bool /*on*/) {}
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void BooBackendMIDIReader::polyMode(uint8_t /*chan*/, bool /*on*/) {}
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void BooBackendMIDIReader::sysex(const void* /*data*/, size_t /*len*/) {}
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void BooBackendMIDIReader::timeCodeQuarterFrame(uint8_t /*message*/, uint8_t /*value*/) {}
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void BooBackendMIDIReader::songPositionPointer(uint16_t /*pointer*/) {}
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void BooBackendMIDIReader::songSelect(uint8_t /*song*/) {}
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void BooBackendMIDIReader::tuneRequest() {}
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void BooBackendMIDIReader::startSeq() {}
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void BooBackendMIDIReader::continueSeq() {}
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void BooBackendMIDIReader::stopSeq() {}
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void BooBackendMIDIReader::reset() {}
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BooBackendVoiceAllocator::BooBackendVoiceAllocator(boo2::IAudioVoiceEngine& booEngine) : m_booEngine(booEngine) {
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booEngine.setCallbackInterface(this);
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}
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std::unique_ptr<IBackendVoice> BooBackendVoiceAllocator::allocateVoice(Voice& clientVox, double sampleRate,
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bool dynamicPitch) {
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return std::make_unique<BooBackendVoice>(m_booEngine, clientVox, sampleRate, dynamicPitch);
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}
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std::unique_ptr<IBackendSubmix> BooBackendVoiceAllocator::allocateSubmix(Submix& clientSmx, bool mainOut, int busId) {
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return std::make_unique<BooBackendSubmix>(m_booEngine, clientSmx, mainOut, busId);
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}
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std::vector<std::pair<std::string, std::string>> BooBackendVoiceAllocator::enumerateMIDIDevices() {
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return m_booEngine.enumerateMIDIInputs();
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}
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std::unique_ptr<IMIDIReader> BooBackendVoiceAllocator::allocateMIDIReader(Engine& engine) {
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return std::make_unique<BooBackendMIDIReader>(engine, m_booEngine.useMIDILock());
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}
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void BooBackendVoiceAllocator::setCallbackInterface(Engine* engine) { m_cbInterface = engine; }
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AudioChannelSet BooBackendVoiceAllocator::getAvailableSet() { return AudioChannelSet(m_booEngine.getAvailableSet()); }
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void BooBackendVoiceAllocator::setVolume(float vol) { m_booEngine.setVolume(vol); }
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void BooBackendVoiceAllocator::on5MsInterval(boo2::IAudioVoiceEngine& engine, double dt) {
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if (m_cbInterface)
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m_cbInterface->_on5MsInterval(*this, dt);
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}
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void BooBackendVoiceAllocator::onPumpCycleComplete(boo2::IAudioVoiceEngine& engine) {
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if (m_cbInterface)
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m_cbInterface->_onPumpCycleComplete(*this);
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}
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} // namespace amuse
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