decoderlibav.h

/*************************************************************************

  Copyright 2011 Ibrahim Sha'ath

  This file is part of KeyFinder.

  KeyFinder is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  KeyFinder 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 General Public License
  along with KeyFinder.  If not, see <http://www.gnu.org/licenses/>.

*************************************************************************/

#ifndef LIBAVDECODER_H
#define LIBAVDECODER_H

#include "decoder.h"
#include "strings.h"

#ifndef INT64_C
#define UINT64_C(c) (c ## ULL)
#endif
#define INBUF_SIZE 4096
#define AUDIO_INBUF_SIZE 20480
#define AUDIO_REFILL_THRESH 4096
extern "C"{
#include <libavutil/avutil.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
}

#include <QMutex>
#include <QFile>

#ifdef Q_OS_WIN
#include "os_windows.h"
#endif

class LibAvDecoder : public AudioFileDecoder{
public:
  LibAvDecoder();
  ~LibAvDecoder();
  virtual KeyFinder::AudioData* decodeFile(const QString&, const int);
private:
  uint8_t* frameBuffer;
  uint8_t* frameBufferConverted;
  int frameBufferSize;
  int decodePacket(AVCodecContext*, ReSampleContext*, AVPacket*, KeyFinder::AudioData*);
};

#endif