include/lib/dvb/lowlevel/pmt.h

   1
   2 /*
   3  * PROGRAM MAP TABLE
   4  *
   5  * Copyright (C) 1998  Thomas Mirlacher
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  * The author may be reached as dent@cosy.sbg.ac.at, or
  22  * Thomas Mirlacher, Jakob-Haringerstr. 2, A-5020 Salzburg,
  23  * Austria
  24  *
  25  *------------------------------------------------------------
  26  *
  27  */
  28
  29 #ifndef __PMT_H__
  30 #define __PMT_H__
  31
  32 #include <sys/types.h>
  33
  34 #define PMT_LEN 12
  35
  36 typedef struct pmt_struct {
  37         u_char table_id                         : 8;
  38
  39 #if BYTE_ORDER == BIG_ENDIAN
  40         u_char section_syntax_indicator         : 1;
  41         u_char dummy                            : 1; // has to be 0
  42         u_char                                  : 2;
  43         u_char section_length_hi                : 4;
  44 #else
  45         u_char section_length_hi                : 4;
  46         u_char                                  : 2;
  47         u_char dummy                            : 1; // has to be 0
  48         u_char section_syntax_indicator         : 1;
  49 #endif
  50
  51         u_char section_length_lo                : 8;
  52
  53         u_char program_number_hi                : 8;
  54
  55         u_char program_number_lo                : 8;
  56
  57
  58 #if BYTE_ORDER == BIG_ENDIAN
  59         u_char                                  :2;
  60         u_char version_number                   :5;
  61         u_char current_next_indicator           :1;
  62 #else
  63         u_char current_next_indicator           :1;
  64         u_char version_number                   :5;
  65         u_char                                  :2;
  66 #endif
  67
  68         u_char section_number                   : 8;
  69
  70         u_char last_section_number              : 8;
  71
  72 #if BYTE_ORDER == BIG_ENDIAN
  73         u_char                                  : 3;
  74         u_char PCR_PID_hi                       : 5;
  75 #else
  76         u_char PCR_PID_hi                       : 5;
  77         u_char                                  : 3;
  78 #endif
  79
  80         u_char PCR_PID_lo                       : 8;
  81
  82 #if BYTE_ORDER == BIG_ENDIAN
  83         u_char                                  : 4;
  84         u_char program_info_length_hi           : 4;
  85 #else
  86         u_char program_info_length_hi           : 4;
  87         u_char                                  : 4;
  88 #endif
  89
  90         u_char program_info_length_lo           : 8;
  91         //descriptors
  92 } pmt_t;
  93
  94 #define PMT_info_LEN 5
  95
  96 typedef struct pmt_info_struct {
  97         u_char stream_type                      : 8;
  98
  99 #if BYTE_ORDER == BIG_ENDIAN
 100         u_char                                  : 3;
 101         u_char elementary_PID_hi                : 5;
 102 #else
 103         u_char elementary_PID_hi                : 5;
 104         u_char                                  : 3;
 105 #endif
 106         u_char elementary_PID_lo                : 8;
 107
 108 #if BYTE_ORDER == BIG_ENDIAN
 109         u_char                                  : 4;
 110         u_char ES_info_length_hi                : 4;
 111 #else
 112         u_char ES_info_length_hi                : 4;
 113         u_char                                  : 4;
 114 #endif
 115
 116         u_char ES_info_length_lo                : 8;
 117         // descriptors
 118 } pmt_info_t;
 119
 120 #endif