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update heatmap settings in spectrum

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Boof2015
2026-04-05 15:54:20 -04:00
parent 07837949d7
commit e2e2ab388e
12 changed files with 472 additions and 40 deletions
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native/src/main.cpp
+26
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@@ -171,6 +171,30 @@ Napi::Value SpectrumGetMagnitudes(const Napi::CallbackInfo& info) {
return result;
}
Napi::Value SpectrumGetRawMagnitudes(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
const auto& magnitudes = spectrum.getRawMagnitudes();
Napi::Float32Array result = Napi::Float32Array::New(env, magnitudes.size());
memcpy(result.Data(), magnitudes.data(), magnitudes.size() * sizeof(float));
return result;
}
Napi::Value SpectrumFillRawMagnitudes(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
if (info.Length() < 1 || !info[0].IsTypedArray()) {
Napi::TypeError::New(env, "Expected output Float32Array").ThrowAsJavaScriptException();
return env.Null();
}
Napi::Float32Array output = info[0].As<Napi::Float32Array>();
const auto& magnitudes = spectrum.getRawMagnitudes();
const size_t count = std::min(output.ElementLength(), magnitudes.size());
if (count > 0) {
memcpy(output.Data(), magnitudes.data(), count * sizeof(float));
}
return Napi::Number::New(env, static_cast<double>(count));
}
Napi::Value SpectrumFillMagnitudes(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
if (info.Length() < 1 || !info[0].IsTypedArray()) {
@@ -344,7 +368,9 @@ Napi::Object Init(Napi::Env env, Napi::Object exports) {
specExports.Set("setSampleRate", Napi::Function::New(env, SpectrumSetSampleRate));
specExports.Set("setSmoothing", Napi::Function::New(env, SpectrumSetSmoothing));
specExports.Set("pushSamples", Napi::Function::New(env, SpectrumPushSamples));
specExports.Set("fillRawMagnitudes", Napi::Function::New(env, SpectrumFillRawMagnitudes));
specExports.Set("fillMagnitudes", Napi::Function::New(env, SpectrumFillMagnitudes));
specExports.Set("getRawMagnitudes", Napi::Function::New(env, SpectrumGetRawMagnitudes));
specExports.Set("getMagnitudes", Napi::Function::New(env, SpectrumGetMagnitudes));
specExports.Set("process", Napi::Function::New(env, SpectrumProcess));
specExports.Set("binToFrequency", Napi::Function::New(env, SpectrumBinToFrequency));