59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
#pragma once
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#include <pulse/error.h>
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#include <pulse/pulseaudio.h>
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#include <pulse/simple.h>
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#include <unistd.h>
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#include <string>
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#include <fstream>
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#include <memory>
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#include <mutex>
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#include <VUtils/Environment.h>
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#include <VulcanoLE/Audio/FFT.h>
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#include <VulcanoLE/Audio/Types.h>
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static const char recStreamName[] = "vulcanoLE";
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static const char recStreamDescription[] = "Keyboard Input Stream";
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static const int32_t sampleRate = 44100;
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static const int32_t channels = 2;
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static const std::string defaultMonitorPostfix = ".monitor";
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class AudioGrabber {
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public:
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enum class ReqMode {
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FFT = 0,
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RMS = 1,
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PEAK = 2,
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ALL = 3
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};
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AudioGrabber();
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~AudioGrabber();
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bool read(stereoSample *buffer, uint32_t bufferSize);
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static AudioGrabber* createAudioGrabber();
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void init();
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FFT fft;
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ReqMode requestMode = ReqMode::FFT;
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stereoSampleFrame loudness = {0.0, 0.0};
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stereoSampleFrame getLoudness();
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bool work();
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VUtils::Environment *env = nullptr;
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private:
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std::mutex m_mtx;
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stereoSample *m_buffer{};
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pa_simple *m_pulseaudioSimple{};
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pa_mainloop *m_pulseaudioMainloop{};
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std::string m_PulseaudioDefaultSourceName;
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void populateDefaultSourceName();
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bool openPulseaudioSource(uint32_t maxBufferSize);
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static void pulseaudioContextStateCallback(pa_context *c,
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void *userdata);
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static void pulseaudioServerInfoCallback(pa_context *context,
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const pa_server_info *i,
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void *userdata);
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void calculateRMS(stereoSample *pFrame);
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void calculatePEAK(stereoSample *pFrame);
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double m_scale = 1.0;
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};
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