soundboard/include/sound.h

#pragma once

#include "miniaudio.h"

#include <functional>
#include <string>
#include <list>
#include <mutex>
#include <thread>
#include <vector>

#include "sounddevice.h"
#include "samplereader.h"

#include "sound.h"

class Sound {
public:
	using sndcb_func = std::function<void(uint64_t)>;

	static Sound& instance();
	static void deinitInstance();

	void addPlayback(const std::string& name, float volume = 1.f, uint64_t beginms = 0, uint64_t length = 0);
	void addPlayback(const std::string& audioDeviceName, const std::string& name, float volume = 1.f, uint64_t beginms = 0, uint64_t length = 0, sndcb_func callback = {});
	bool addDefaultDevice();
	bool addDeviceWithName(const std::string& name);
	void stopAll();
	void reset();

	SampleReader* openFile(const std::string& name);
	std::vector<std::string> getOutputs();

	void setMasterVolume(float m);
	float getMasterVolume() const;

	static std::string FOLDER;

private:
	Sound();
	~Sound();

	void deinit();
	void init();

	void backgroundThreadLoop();
	void cleanAllDecoders();

	void startBackgroundThread();
	void stopBackgroundThread();

	ma_context context;
	bool threadShouldrun = false;
	std::thread backgroundCleanup;

	std::mutex devicesMutex;
	std::vector<SoundDevice*> devices;

	float masterVolume = 1.0;

	static Sound* inst;

	friend void sound_callback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount);
};