amuse/lib/BooBackend.cpp

336 lines
11 KiB
C++

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