/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            multiplexer.h
 *
 *  Wed Aug 31 13:05:18 CEST 2005
 *  Copyright  2005 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of MIaV.
 *
 *  MIaV 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 2 of the License, or
 *  (at your option) any later version.
 *
 *  MIaV 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 MIaV; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#ifndef __MIAV_MULTIPLEXER_H__
#define __MIAV_MULTIPLEXER_H__

#include "iso11172-1.h"
#include "iso11172-2.h"
#include "iso11172-3.h"

#include "file.h"
#include "multicast.h"
#include "frame.h"

#include "threadsafe_queue_priority.h"

/**
 * Multiplexer configuration
 */
// How many packets should we put in one pack
#define PACKETS_PER_PACK 3

// How many packets bewteen audio packs
#define AUDIO_PACKET_FREQUENCY 10

// How many packs bewteen system headers
#define SYSTEM_HEADER_FREQUENCY 5

// Size of video or audio data pr. packet
#define PACKET_SIZE 2028

/**
 * Other stuff
 */
// The number of streamtypes.
#define NUM_TYPES 2

// Enum of the streamtypes.
typedef enum {
  TYPE_VIDEO,
  TYPE_AUDIO
} StreamType;


class Multiplexer {
public:
  Multiplexer(File *file, Multicast *m, volatile bool *running,
              ThreadSafeQueuePriority *video_queue,
              ThreadSafeQueuePriority *audio_queue);
  ~Multiplexer();

  void multiplex();

protected:
  int Write(void* data, int size);
  int Write(char* data, int size);
  int Write(uint64_t val);
  int Write(int64_t val);
  int Write(int32_t val);
  int Write(uint32_t val);
  int Write24(uint32_t val);
  /*
  int Write(int val);
  int Write(unsigned int val);
  */
  int Write(int16_t val);
  int Write(uint16_t val);

  uint64_t SCR;

  double written[NUM_TYPES];

  void iso11172_stream();
  void pack_header();
  bool pack();
  void system_header();
  bool packet();
  bool packet(StreamType type);
  /*
  void audio_packet();
  void video_packet();

  void audio_data(ISO11172_3::header *header);
  void audio_data_layer_I(ISO11172_3::header *header);
  void audio_data_layer_II(ISO11172_3::header *header);
  void audio_data_layer_III(ISO11172_3::header *header);

  void video_data(ISO11172_2::sequence_header_1 *header1,
                  ISO11172_2::sequence_header_2 *header2);
  */
  // Frequency variables
  uint32_t write_system_header;
  uint32_t write_audio_packet;

  Frame *getFrame(StreamType type);
  int read_stream(char *buf, unsigned int size, StreamType type);

  Frame *frame[NUM_TYPES];
  unsigned int frame_number[NUM_TYPES];
  unsigned int read[NUM_TYPES];

  File *file;
  Multicast *multicast;
  volatile bool *running;

  // Audio Header
  bool audio_header_read;

  ThreadSafeQueuePriority *queue[NUM_TYPES];
};

#endif/*__MIAV_MULTIPLEXER_H__*/