git.sesse.net Git - vlc/blob - modules/access/dvd/summary.c

   1 /*****************************************************************************
   2  * summary.c: set of functions to print options of selected title
   3  * found in .ifo.
   4  *****************************************************************************
   5  * Copyright (C) 1998-2001 VideoLAN
   6  * $Id: summary.c,v 1.2 2002/08/08 00:35:10 sam Exp $
   7  *
   8  * Author: Stéphane Borel <stef@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30
  31 #include <vlc/vlc.h>
  32
  33 #ifdef HAVE_UNISTD_H
  34 #   include <unistd.h>
  35 #endif
  36
  37 #if !defined( WIN32 )
  38 #   include <netinet/in.h>
  39 #endif
  40
  41 #include <fcntl.h>
  42 #include <sys/types.h>
  43
  44 #include <string.h>
  45 #ifdef STRNCASECMP_IN_STRINGS_H
  46 #   include <strings.h>
  47 #endif
  48 #include <errno.h>
  49
  50 #ifdef GOD_DAMN_DMCA
  51 #   include "dvdcss.h"
  52 #else
  53 #   include <dvdcss/dvdcss.h>
  54 #endif
  55
  56 #include "dvd.h"
  57 #include "ifo.h"
  58 #include "iso_lang.h"
  59
  60 /*
  61  * Local tools to decode some data in ifo
  62  */
  63
  64 /****************************************************************************
  65  * IfoPrintTitle
  66  ****************************************************************************/
  67 void IfoPrintTitle( thread_dvd_data_t * p_dvd )
  68 {
  69 #if 0
  70     intf_WarnMsg( 5, "dvd info: title %d, %d chapter%s, %d angle%s",
  71                      p_dvd->i_title, p_dvd->i_chapter_nb,
  72                      (p_dvd->i_chapter_nb == 1) ? "" : "s",
  73                      p_dvd->i_angle_nb,
  74                      (p_dvd->i_angle_nb == 1) ? "" : "s" );
  75 #endif
  76 }
  77
  78 /****************************************************************************
  79  * IfoPrintVideo
  80  ****************************************************************************/
  81 #define video p_dvd->p_ifo->vts.manager_inf.video_attr
  82 void IfoPrintVideo( thread_dvd_data_t * p_dvd )
  83 {
  84 #if 0
  85     char*    psz_perm_displ[4] =
  86              {
  87                 "pan-scan & letterboxed",
  88                 "pan-scan",
  89                 "letterboxed",
  90                 "not specified"
  91              };
  92     char*    psz_source_res[4] =
  93              {
  94                 "720x480 ntsc or 720x576 pal",
  95                 "704x480 ntsc or 704x576 pal",
  96                 "352x480 ntsc or 352x576 pal",
  97                 "352x240 ntsc or 352x288 pal"
  98              };
  99
 100     intf_WarnMsg( 5, "dvd info: MPEG-%d video, %sHz, aspect ratio %s",
 101                      video.i_compression + 1,
 102                      video.i_system ? "pal 625 @50" : "ntsc 525 @60",
 103                      video.i_ratio ? (video.i_ratio == 3) ? "16:9"
 104                                                           : "unknown"
 105                                    : "4:3" );
 106
 107     intf_WarnMsg( 5, "dvd info: display mode %s, %s, %s",
 108                      psz_perm_displ[video.i_perm_displ],
 109                      video.i_line21_1 ? "line21-1 data in GOP"
 110                                       : "no line21-1 data",
 111                      video.i_line21_2 ? "line21-2 data in GOP"
 112                                       : "no line21-2 data" );
 113
 114     intf_WarnMsg( 5, "dvd info: source is %s, %sletterboxed, %s mode",
 115                      psz_source_res[video.i_source_res],
 116                      video.i_letterboxed ? "" : "not ",
 117                      video.i_mode ? "film (625/50 only)" : "camera" );
 118 #endif
 119 }
 120 #undef video
 121
 122 /****************************************************************************
 123  * IfoPrintAudio
 124  ****************************************************************************/
 125 #define audio p_dvd->p_ifo->vts.manager_inf.p_audio_attr[i-1]
 126 #define audio_status \
 127     p_dvd->p_ifo->vts.title_unit.p_title[p_dvd->i_title_id-1].title.pi_audio_status[i-1]
 128 void IfoPrintAudio( thread_dvd_data_t * p_dvd, int i )
 129 {
 130     if( audio_status.i_available )
 131     {
 132 #if 0
 133         char* ppsz_mode[8] =
 134             { "A52", "unknown", "MPEG", "MPEG-2", "LPCM", "SDDS", "DTS", "" };
 135         char* ppsz_appl_mode[4] =
 136             { "no application specified", "karaoke", "surround sound", "" };
 137         char* ppsz_quant[4] =
 138             { "16 bits", "20 bits", "24 bits", "drc" };
 139
 140         intf_WarnMsg( 5, "dvd info: audio %d (%s) is %s, "
 141                          "%d%s channel%s, %dHz, %s", i,
 142                          DecodeLanguage( audio.i_lang_code ),
 143                          ppsz_mode[audio.i_coding_mode & 0x7],
 144                          audio.i_num_channels + 1,
 145                          audio.i_multichannel_extension ? " ext." : "",
 146                          audio.i_num_channels ? "s" : "",
 147                          audio.i_sample_freq ? 96000 : 48000,
 148                          ppsz_appl_mode[audio.i_appl_mode & 0x3] );
 149
 150         intf_WarnMsg( 5, "dvd info: %s, quantization %s, status %x",
 151                          (audio.i_caption == 1) ? "normal caption"
 152                            : (audio.i_caption == 3) ? "directors comments"
 153                                : "unknown caption",
 154                          ppsz_quant[audio.i_quantization & 0x3],
 155                          audio_status.i_position );
 156 #endif
 157     }
 158 }
 159 #undef audio_status
 160 #undef audio
 161
 162 /****************************************************************************
 163  * IfoPrintSpu
 164  ****************************************************************************/
 165 #define spu p_dvd->p_ifo->vts.manager_inf.p_spu_attr[i-1]
 166 #define spu_status \
 167     p_dvd->p_ifo->vts.title_unit.p_title[p_dvd->i_title_id-1].title.pi_spu_status[i-1]
 168
 169 void IfoPrintSpu( thread_dvd_data_t * p_dvd, int i )
 170 {
 171     if( spu_status.i_available )
 172     {
 173 #if 0
 174         intf_WarnMsg( 5, "dvd info: spu %d (%s), caption %d "
 175                          "prefix %x, modes [%s%s%s%s ]", i,
 176                          DecodeLanguage( spu.i_lang_code ),
 177                          spu.i_caption, spu.i_prefix,
 178                          spu_status.i_position_43 ? " 4:3" : "",
 179                          spu_status.i_position_wide ? " wide" : "",
 180                          spu_status.i_position_letter ? " letter" : "",
 181                          spu_status.i_position_pan ? " pan" : "" );
 182 #endif
 183     }
 184 }
 185 #undef spu_status
 186 #undef spu