mpeg2demux.h

从 IEEE 1394总线接收传输流

/*
 * MPEG2-TS over IEEE 1394 decoder - receive and decode MPEG-2 transport
 *                                   streams according to IEC 61883-4
 *
 * Copyright (C) 2000-2007, Manfred Weihs <[e-mail]>
 *
 * This program 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.
 *
 * 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 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
 */

/*
  MPEG 2 transport stream demultiplexer
  many ideas and some code taken from Alex Theo de Jong (NIST, February 1996)
*/

#ifndef __mpeg2demux_h
#define __mpeg2demux_h

#include <stdio.h>

int mpeg2demux_init();
void mpeg2demux_done();

/*****************************************************
 * these both functions set or get the pids used for *
 * - the video decoder (videopid)                    *
 * - the audio decoder (audiopid)                    *
 * - synchronisation (pcrpid)                        *
 *                                                   *
 * the values have the following meaning:            *
 * 0x0000 - 0x1FFF ... the desired pid               *
 * -1      ........... disabled                      *
 * -2      ........... auto select (for video/audio) *
 *****************************************************/

void set_pids(int videopid, int audiopid, int pcrpid);
void get_pids(int *videopid, int *audiopid, int *pcrpid);

int select_program(int program_number);
int select_any_program();
int select_first_program();

int get_videobuffer_size();
int get_videobuffer_state();
int get_audiobuffer_size();
int get_audiobuffer_state();

void printPAT(FILE* ostream);
void printPMT(FILE* ostream);
void printPidTable(FILE* ostream);

int getProgramNumbers(int *number_array); /* returns an array containing the program numbers of PMT */

#endif