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/*
* dxr3audiodecoder.h
*
* Copyright (C) 2002-2004 Kai Möller
* Copyright (C) 2004 Christian Gmeiner
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#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_*/
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