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Update active voices with interval based on system clock

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This commit is contained in:
Jean Pierre Cimalando 2021-04-03 17:47:31 +02:00
parent 12896fe168
commit 0bcfbc5495
2 changed files with 24 additions and 36 deletions
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54
plugins/vst/SfizzVstProcessor.cpp
View file

@ -39,11 +39,10 @@ static const char* kRingIdOsc = "Osc";
static const char* kMsgIdSetNumVoices = "SetNumVoices";
static const char* kMsgIdSetOversampling = "SetOversampling";
static const char* kMsgIdSetPreloadSize = "SetPreloadSize";
static const char* kMsgIdNotifyPlayState = "NotifyPlayState";
static const char* kMsgIdReceiveMessage = "ReceiveMessage";
static const char* kMsgIdNoteEvents = "NoteEvents";
static constexpr std::chrono::milliseconds kBackgroundIdleInterval { 500 };
static constexpr std::chrono::milliseconds kBackgroundIdleInterval { 50 };
SfizzVstProcessor::SfizzVstProcessor()
: _fifoToWorker(64 * 1024), _fifoMessageFromUi(64 * 1024),
@ -219,9 +218,6 @@ tresult PLUGIN_API SfizzVstProcessor::setActive(TBool state)
if (state) {
synth->setSampleRate(processSetup.sampleRate);
synth->setSamplesPerBlock(processSetup.maxSamplesPerBlock);
_playStateChangePeriod = static_cast<uint32>(50e-3 * processSetup.sampleRate);
startBackgroundWork();
} else {
stopBackgroundWork();
@ -291,15 +287,6 @@ tresult PLUGIN_API SfizzVstProcessor::process(Vst::ProcessData& data)
synth.sendMessage(client, 0, "/cc/changed~", "", nullptr);
synth.sendMessage(client, 0, "/sw/last/current", "", nullptr);
_playStateChangeCounter += numFrames;
if (_playStateChangeCounter > _playStateChangePeriod) {
_playStateChangeCounter %= _playStateChangePeriod;
SfizzPlayState playState {};
playState.activeVoices = synth.getNumActiveVoices();
if (writeWorkerMessage(kMsgIdNotifyPlayState, &playState, sizeof(playState)))
_semaToWorker.post();
}
//
std::pair<uint32, float> noteEvents[128];
size_t numNoteEvents = 0;
@ -663,6 +650,7 @@ void SfizzVstProcessor::doBackgroundWork()
bool haveDoneIdleWork = false;
Clock::time_point lastIdleWorkTime;
size_t idleCounter = 0;
for (;;) {
bool isNotified = _semaToWorker.timed_wait(kBackgroundIdleInterval.count());
@ -697,13 +685,6 @@ void SfizzVstProcessor::doBackgroundWork()
std::lock_guard<SpinMutex> lock(_processMutex);
_synth->setPreloadSize(value);
}
else if (id == kMsgIdNotifyPlayState) {
SfizzPlayState playState = *msg->payload<SfizzPlayState>();
Steinberg::OPtr<Vst::IMessage> notification { allocateMessage() };
notification->setMessageID("NotifiedPlayState");
notification->getAttributes()->setBinary("PlayState", &playState, sizeof(playState));
sendMessage(notification);
}
else if (id == kMsgIdReceiveMessage) {
Steinberg::OPtr<Vst::IMessage> notification { allocateMessage() };
notification->setMessageID("ReceivedMessage");
@ -719,24 +700,35 @@ void SfizzVstProcessor::doBackgroundWork()
Clock::time_point currentTime = Clock::now();
if (!haveDoneIdleWork || currentTime - lastIdleWorkTime > kBackgroundIdleInterval) {
doBackgroundIdle();
doBackgroundIdle(idleCounter++);
haveDoneIdleWork = true;
lastIdleWorkTime = currentTime;
}
}
}
void SfizzVstProcessor::doBackgroundIdle()
void SfizzVstProcessor::doBackgroundIdle(size_t idleCounter)
{
if (_synth->shouldReloadFile()) {
fprintf(stderr, "[Sfizz] sfz file has changed, reloading\n");
std::lock_guard<SpinMutex> lock(_processMutex);
loadSfzFileOrDefault(_state.sfzFile);
{
SfizzPlayState ps;
ps.activeVoices = _synth->getNumActiveVoices();
Steinberg::OPtr<Vst::IMessage> notification { allocateMessage() };
notification->setMessageID("NotifiedPlayState");
notification->getAttributes()->setBinary("PlayState", &ps, sizeof(ps));
sendMessage(notification);
}
if (_synth->shouldReloadScala()) {
fprintf(stderr, "[Sfizz] scala file has changed, reloading\n");
std::lock_guard<SpinMutex> lock(_processMutex);
_synth->loadScalaFile(_state.scalaFile);
if (idleCounter % 10 == 0) {
if (_synth->shouldReloadFile()) {
fprintf(stderr, "[Sfizz] sfz file has changed, reloading\n");
std::lock_guard<SpinMutex> lock(_processMutex);
loadSfzFileOrDefault(_state.sfzFile);
}
if (_synth->shouldReloadScala()) {
fprintf(stderr, "[Sfizz] scala file has changed, reloading\n");
std::lock_guard<SpinMutex> lock(_processMutex);
_synth->loadScalaFile(_state.scalaFile);
}
}
}

6
plugins/vst/SfizzVstProcessor.h
View file

@ -75,10 +75,6 @@ private:
Ring_Buffer _fifoMessageFromUi;
SpinMutex _processMutex;
// state notification periodic timer
uint32 _playStateChangeCounter = 0;
uint32 _playStateChangePeriod = 0;
// time info
int _timeSigNumerator = 0;
int _timeSigDenominator = 0;
@ -98,7 +94,7 @@ private:
// worker
void doBackgroundWork();
void doBackgroundIdle();
void doBackgroundIdle(size_t idleCounter);
void startBackgroundWork();
void stopBackgroundWork();
// writer