#ifndef DECODER_H
#define DECODER_H

/**
 * @todo write docs
 */
#include <deque>

#include <emscripten/val.h>
#include "mad.h"

#define BUFFER_LENGTH 30000000

class Decoder {
public:
    Decoder();
    ~Decoder();
    
    void addFragment(intptr_t bufferPtr, uint32_t length);
    emscripten::val decode(uint32_t count = UINT32_MAX);
    bool hasMore() const;
    uint32_t framesLeft(uint32_t max = UINT32_MAX);
    
private:
    uint32_t sampleRate;
    uint8_t channels;
    uint32_t cachedLength;
    uint16_t samplesPerFrame;
    uint8_t* buffer;
    bool cached;
    
    mad_synth* synth;
    mad_stream* stream;
    mad_frame* frame;
    emscripten::val context;
    
private:
    void initializeProbe(mad_stream& probe);

};

#endif // DECODER_H