soundboard/include/sounddevice.h

#pragma once

#include "miniaudio.h"

#include <functional>
#include <list>
#include <limits>
#include <string>

class SoundDevice {
	SoundDevice();

public:
	~SoundDevice();
	static SoundDevice* createDevice(ma_context* ctx, const std::string& name); // get device with name
	static SoundDevice* createDevice(ma_context* ctx, const ma_device_id* did = NULL);

	void stop();
	void addPlayback(const std::string& name, float volume = 1.f, uint64_t beginms = 0, uint64_t length = 0, std::function<void(uint64_t)> callback = {});

	void startDevice();
	void cleanupDecoders(); //fertige decoder löschen

	std::string getName() const;

	// callback
	void sound_callback(void* outbuffer, ma_uint32 frameCount);

private:
	struct Playback {
		ma_decoder decoder;
		float volume;
		uint64_t currentFrame = 0;
		uint64_t startFrame = 0;
		uint64_t endFrame = std::numeric_limits<uint64_t>::max();
		bool isDone = false;
		std::function<void(uint64_t)> callback;
		Playback() {}
	};

	struct SoundData {
		std::list<Playback*> playbacks; //liste der decoder
		unsigned int decoderCount = 0;
		ma_mutex* mutex;
	};

	bool deviceRunning = false;
	ma_device device;
	SoundData data;
};