/*
  mkvmerge -- utility for splicing together matroska files
      from component media subtypes

  p_ac3.h

  Written by Moritz Bunkus <moritz@bunkus.org>

  Distributed under the GPL
  see the file COPYING for details
  or visit http://www.gnu.org/copyleft/gpl.html
*/

/*!
    \file
    \version \$Id: p_ac3.h,v 1.9 2003/04/13 15:23:02 mosu Exp $
    \brief class definition for the AC3 output module
    \author Moritz Bunkus         <moritz @ bunkus.org>
*/
 
#ifndef __P_AC3_H
#define __P_AC3_H

#include "common.h"
#include "queue.h"
#include "ac3_common.h"

class ac3_packetizer_c: public q_c {
private:
  int64_t        bytes_output, packetno;
  unsigned long  samples_per_sec;
  int            channels;
  unsigned char *packet_buffer;
  int            buffer_size;

public:
  ac3_packetizer_c(unsigned long nsamples_per_sec, int nchannels,
                   track_info_t *nti) throw (error_c);
  virtual ~ac3_packetizer_c();
    
  virtual int            process(unsigned char *buf, int size,
                                 int64_t timescode = -1, int64_t length = -1);
  virtual void           set_header();
    
private:
  virtual void           add_to_buffer(unsigned char *buf, int size);
  virtual unsigned char *get_ac3_packet(unsigned long *header,
                                        ac3_header_t *ac3header);
  virtual int            ac3_packet_available();
  virtual void           remove_ac3_packet(int pos, int framesize);
};

#endif // __P_AC3_H