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https://github.com/sle118/squeezelite-esp32.git
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new cspot/bell
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philippe44
@@ -1,158 +1,158 @@
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#pragma once
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#include <cmath>
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#include <mutex>
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#include <map>
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#include <unordered_map>
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#include <stdint.h> // for uint32_t
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#include <map> // for map
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#include <memory> // for unique_ptr, allocator
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#include <mutex> // for scoped_lock
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#include <stdexcept> // for invalid_argument
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#include <string> // for string, operator<, hash, operator==
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#include <unordered_map> // for operator!=, unordered_map, __hash_map_c...
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#include <utility> // for pair
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#include <vector> // for vector
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#include "AudioTransform.h"
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extern "C" int dsps_biquad_f32_ae32(const float *input, float *output, int len, float *coef, float *w);
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#include "AudioTransform.h" // for AudioTransform
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#include "StreamInfo.h" // for StreamInfo
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#include "TransformConfig.h" // for TransformConfig
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namespace bell
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{
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class Biquad : public bell::AudioTransform
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{
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public:
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Biquad();
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~Biquad(){};
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extern "C" int dsps_biquad_f32_ae32(const float* input, float* output, int len,
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float* coef, float* w);
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enum class Type
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{
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Free,
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Highpass,
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Lowpass,
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HighpassFO,
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LowpassFO,
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namespace bell {
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class Biquad : public bell::AudioTransform {
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public:
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Biquad();
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~Biquad(){};
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Peaking,
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Highshelf,
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HighshelfFO,
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Lowshelf,
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LowshelfFO,
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Notch,
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Bandpass,
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Allpass,
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AllpassFO
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};
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enum class Type {
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Free,
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Highpass,
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Lowpass,
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HighpassFO,
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LowpassFO,
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std::map<std::string, float> currentConfig;
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Peaking,
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Highshelf,
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HighshelfFO,
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Lowshelf,
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LowshelfFO,
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Notch,
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Bandpass,
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Allpass,
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AllpassFO
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};
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std::unordered_map<std::string, Type> const strMapType = {
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{"free", Type::Free},
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{"highpass", Type::Highpass},
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{"lowpass", Type::Lowpass},
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{"highpass_fo", Type::HighpassFO},
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{"lowpass_fo", Type::LowpassFO},
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{"peaking", Type::Peaking},
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{"highshelf", Type::Highshelf},
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{"highshelf_fo", Type::HighpassFO},
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{"lowshelf", Type::Lowshelf},
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{"lowshelf_fo", Type::LowpassFO},
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{"notch", Type::Notch},
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{"bandpass", Type::Bandpass},
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{"allpass", Type::Allpass},
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{"allpass_fo", Type::AllpassFO},
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};
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std::map<std::string, float> currentConfig;
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float freq, q, gain;
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int channel;
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Biquad::Type type;
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std::unordered_map<std::string, Type> const strMapType = {
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{"free", Type::Free},
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{"highpass", Type::Highpass},
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{"lowpass", Type::Lowpass},
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{"highpass_fo", Type::HighpassFO},
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{"lowpass_fo", Type::LowpassFO},
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{"peaking", Type::Peaking},
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{"highshelf", Type::Highshelf},
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{"highshelf_fo", Type::HighpassFO},
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{"lowshelf", Type::Lowshelf},
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{"lowshelf_fo", Type::LowpassFO},
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{"notch", Type::Notch},
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{"bandpass", Type::Bandpass},
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{"allpass", Type::Allpass},
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{"allpass_fo", Type::AllpassFO},
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};
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std::unique_ptr<StreamInfo> process(std::unique_ptr<StreamInfo> data) override;
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float freq, q, gain;
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int channel;
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Biquad::Type type;
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void configure(Type type, std::map<std::string, float> &config);
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std::unique_ptr<StreamInfo> process(
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std::unique_ptr<StreamInfo> data) override;
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void sampleRateChanged(uint32_t sampleRate) override;
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void configure(Type type, std::map<std::string, float>& config);
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void reconfigure() override
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{
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std::scoped_lock lock(this->accessMutex);
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std::map<std::string, float> biquadConfig;
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this->channel = config->getChannels()[0];
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void sampleRateChanged(uint32_t sampleRate) override;
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float invalid = -0x7C;
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void reconfigure() override {
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std::scoped_lock lock(this->accessMutex);
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std::map<std::string, float> biquadConfig;
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this->channel = config->getChannels()[0];
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auto type = config->getString("biquad_type");
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float bandwidth = config->getFloat("bandwidth", false, invalid);
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float slope = config->getFloat("slope", false, invalid);
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float gain = config->getFloat("gain", false, invalid);
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float frequency = config->getFloat("frequency", false, invalid);
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float q = config->getFloat("q", false, invalid);
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float invalid = -0x7C;
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if (currentConfig["bandwidth"] == bandwidth &&
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currentConfig["slope"] == slope &&
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currentConfig["gain"] == gain &&
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currentConfig["frequency"] == frequency &&
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currentConfig["q"] == q)
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{
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return;
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}
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auto type = config->getString("biquad_type");
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float bandwidth = config->getFloat("bandwidth", false, invalid);
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float slope = config->getFloat("slope", false, invalid);
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float gain = config->getFloat("gain", false, invalid);
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float frequency = config->getFloat("frequency", false, invalid);
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float q = config->getFloat("q", false, invalid);
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if (bandwidth != invalid)
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biquadConfig["bandwidth"] = bandwidth;
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if (slope != invalid)
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biquadConfig["slope"] = slope;
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if (gain != invalid)
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biquadConfig["gain"] = gain;
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if (frequency != invalid)
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biquadConfig["freq"] = frequency;
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if (q != invalid)
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biquadConfig["q"] = q;
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if (currentConfig["bandwidth"] == bandwidth &&
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currentConfig["slope"] == slope && currentConfig["gain"] == gain &&
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currentConfig["frequency"] == frequency && currentConfig["q"] == q) {
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return;
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}
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if (type == "free")
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{
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biquadConfig["a1"] = config->getFloat("a1");
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biquadConfig["a2"] = config->getFloat("a2");
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biquadConfig["b0"] = config->getFloat("b0");
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biquadConfig["b1"] = config->getFloat("b1");
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biquadConfig["b2"] = config->getFloat("b2");
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}
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if (bandwidth != invalid)
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biquadConfig["bandwidth"] = bandwidth;
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if (slope != invalid)
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biquadConfig["slope"] = slope;
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if (gain != invalid)
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biquadConfig["gain"] = gain;
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if (frequency != invalid)
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biquadConfig["freq"] = frequency;
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if (q != invalid)
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biquadConfig["q"] = q;
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auto typeElement = strMapType.find(type);
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if (typeElement != strMapType.end())
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{
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this->configure(typeElement->second, biquadConfig);
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}
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else
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{
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throw std::invalid_argument("No biquad of type " + type);
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}
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}
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if (type == "free") {
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biquadConfig["a1"] = config->getFloat("a1");
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biquadConfig["a2"] = config->getFloat("a2");
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biquadConfig["b0"] = config->getFloat("b0");
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biquadConfig["b1"] = config->getFloat("b1");
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biquadConfig["b2"] = config->getFloat("b2");
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}
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private:
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float coeffs[5];
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float w[2] = {1.0, 1.0};
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auto typeElement = strMapType.find(type);
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if (typeElement != strMapType.end()) {
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this->configure(typeElement->second, biquadConfig);
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} else {
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throw std::invalid_argument("No biquad of type " + type);
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}
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}
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float sampleRate = 44100;
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private:
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float coeffs[5];
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float w[2] = {1.0, 1.0};
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// Generator methods for different filter types
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void highPassCoEffs(float f, float q);
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void highPassFOCoEffs(float f);
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void lowPassCoEffs(float f, float q);
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void lowPassFOCoEffs(float f);
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float sampleRate = 44100;
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void peakCoEffs(float f, float gain, float q);
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void peakCoEffsBandwidth(float f, float gain, float bandwidth);
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// Generator methods for different filter types
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void highPassCoEffs(float f, float q);
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void highPassFOCoEffs(float f);
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void lowPassCoEffs(float f, float q);
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void lowPassFOCoEffs(float f);
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void highShelfCoEffs(float f, float gain, float q);
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void highShelfCoEffsSlope(float f, float gain, float slope);
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void highShelfFOCoEffs(float f, float gain);
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void peakCoEffs(float f, float gain, float q);
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void peakCoEffsBandwidth(float f, float gain, float bandwidth);
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void lowShelfCoEffs(float f, float gain, float q);
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void lowShelfCoEffsSlope(float f, float gain, float slope);
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void lowShelfFOCoEffs(float f, float gain);
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void highShelfCoEffs(float f, float gain, float q);
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void highShelfCoEffsSlope(float f, float gain, float slope);
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void highShelfFOCoEffs(float f, float gain);
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void notchCoEffs(float f, float gain, float q);
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void notchCoEffsBandwidth(float f, float gain, float bandwidth);
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void lowShelfCoEffs(float f, float gain, float q);
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void lowShelfCoEffsSlope(float f, float gain, float slope);
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void lowShelfFOCoEffs(float f, float gain);
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void bandPassCoEffs(float f, float q);
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void bandPassCoEffsBandwidth(float f, float bandwidth);
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void notchCoEffs(float f, float gain, float q);
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void notchCoEffsBandwidth(float f, float gain, float bandwidth);
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void allPassCoEffs(float f, float q);
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void allPassCoEffsBandwidth(float f, float bandwidth);
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void allPassFOCoEffs(float f);
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void bandPassCoEffs(float f, float q);
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void bandPassCoEffsBandwidth(float f, float bandwidth);
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void normalizeCoEffs(float a0, float a1, float a2, float b0, float b1, float b2);
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};
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void allPassCoEffs(float f, float q);
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void allPassCoEffsBandwidth(float f, float bandwidth);
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void allPassFOCoEffs(float f);
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}
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void normalizeCoEffs(float a0, float a1, float a2, float b0, float b1,
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float b2);
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};
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} // namespace bell
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