#ifndef _DXR3_AUDIODECODER_H_
#define _DXR3_AUDIODECODER_H_

#include <stdlib.h>
#include <stdint.h>

#include "dxr3ffmpeg.h"
#include "dxr3syncbuffer.h"
#include "dxr3multichannelaudio.h"
#include "dxr3log.h"

// ==================================
// decode audio to mp2 or use DD :)

class cDxr3AudioDecoder 
{
public:
    cDxr3AudioDecoder();
    ~cDxr3AudioDecoder();

    void Init(void); // init in const?                                

    void Decode(const uint8_t* buf, int length, uint32_t pts, cDxr3SyncBuffer &aBuf);
    void DecodeLpcm(const uint8_t* buf, int length, uint32_t pts, cDxr3SyncBuffer &aBuf);
    void DecodeAc3Dts(const uint8_t* pPes, const uint8_t* buf, int length, uint32_t pts, cDxr3SyncBuffer &aBuf);

    int GetRate(void) const			{ return rate; }
    int GetChannelCount(void) const { return channels; }
    int GetFrameSize(void) const	{ return frameSize; }
    void Reset(void)				{ ac3dtsDecoder.Clear(); rbuf.Clear(); }
    
private:
    bool HeadCheck(unsigned long head);
    
	struct Dxr3Codec Codec;

    cRingBufferFrame rbuf;
    cMultichannelAudio ac3dtsDecoder;
    
    bool audioSynched;
    bool decoderOpened;
    uint8_t lastHeader[4];
    int rate;
    int channels;
    uint32_t frameSize;
    uint8_t pcmbuf[AVCODEC_MAX_AUDIO_FRAME_SIZE];
    int volume;
    bool foundHeader;
    bool decodeAudio;

    cDxr3AudioDecoder(cDxr3AudioDecoder&); // no copy constructor
};

#endif /*_DXR3_AUDIODECODER_H_*/