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4529d88042
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487a53dcc7 |
20
analyser.h
20
analyser.h
@ -36,7 +36,7 @@ struct AnalyserSTFX : public BaseEffect {
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storage.range("barkResolution", barkResolution)
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.info("res.", "in Bark scale")
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.range(1, 10, 25)
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.range(2, 10, 25)
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.unit("", 0);
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if (storage.extra()) {
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@ -52,7 +52,7 @@ struct AnalyserSTFX : public BaseEffect {
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stft.configure(channels, 0, stftBlockMs*0.001*sampleRate, stftIntervalMs*0.001*sampleRate);
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subRate = sampleRate/stft.defaultInterval();
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bands = spectrum.resize(channels, barkResolution, sampleRate);
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bands = spectrum.resize(channels, barkResolution, sampleRate, stft.blockSamples());
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updateBands();
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tmp.resize(stft.defaultInterval());
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}
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@ -158,7 +158,7 @@ private:
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void stftStep() {
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if (barkResolution != prevBarkResolution) {
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prevBarkResolution = barkResolution;
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bands = spectrum.resize(channels, barkResolution, sampleRate);
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bands = spectrum.resize(channels, barkResolution, sampleRate, stft.blockSamples());
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updateBands();
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}
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@ -196,16 +196,26 @@ private:
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std::vector<Sample> hz, bwHz;
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std::vector<std::vector<Sample>> energy;
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size_t resize(size_t channels, Sample barkResolution, Sample sampleRate) {
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size_t resize(size_t channels, Sample barkResolution, Sample sampleRate, size_t fftBands) {
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bandsChanged = true;
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hz.resize(0);
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bwHz.resize(0);
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Sample maxBwHz = sampleRate/fftBands;
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auto barkScale = signalsmith::curves::Reciprocal<Sample>::barkScale();
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Sample barkStep = 1/barkResolution, barkEnd = barkScale.inverse(sampleRate/2);
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for (Sample bark = barkScale.inverse(0); bark < barkEnd; bark += barkStep) {
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auto bw = barkScale.dx(bark)*barkStep;
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if (!hz.empty() && bw >= maxBwHz) {
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// our Bark scale would be less dense than the FFT, so we might miss data
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for (auto linearHz = hz.back() + maxBwHz; linearHz < sampleRate/2; linearHz += maxBwHz) {
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hz.push_back(linearHz);
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bwHz.push_back(maxBwHz);
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}
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break;
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}
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hz.push_back(barkScale(bark));
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bwHz.push_back(barkScale.dx(bark)*barkStep);
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bwHz.push_back(bw);
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}
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hz.push_back(sampleRate/2);
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bwHz.push_back(barkScale.dx(barkEnd)*barkStep);
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@ -334,7 +334,7 @@ struct WebUILibraryEffect : public LibraryEffect<Sample, WebUIHelper<EffectSTFX,
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auto &message = queue[readIndex];
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return message.readyToSend.test();
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}
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// Poll on the main thread (and directly after any `.webReceive()`), calling `.sent()` after you've sent it, repeat until you get `nullptr`
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WebMessage * getPendingWebMessage() {
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auto &message = queue[readIndex];
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@ -385,6 +385,11 @@ struct WebUILibraryEffect : public LibraryEffect<Sample, WebUIHelper<EffectSTFX,
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}
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}
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void webClosed() {
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// stops new messages from being queued up until the reset message is sent
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requestEntireState();
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}
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// Replace `.process()` to add meter messages if they exist
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template<class Buffers>
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void process(Buffers &&buffers, int blockLength) {
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