git.sesse.net Git - vlc/blob - plugins/dvd/dvd_summary.c

   1 /*****************************************************************************
   2  * dvd_summary.c: set of functions to print options of selected title
   3  * found in .ifo.
   4  *****************************************************************************
   5  * Copyright (C) 1998-2001 VideoLAN
   6  * $Id: dvd_summary.c,v 1.10 2001/11/28 15:08:05 massiot 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 #define MODULE_NAME dvd
  26 #include "modules_inner.h"
  27
  28 /*****************************************************************************
  29  * Preamble
  30  *****************************************************************************/
  31 #include "defs.h"
  32
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35
  36 #ifdef HAVE_UNISTD_H
  37 #include <unistd.h>
  38 #endif
  39
  40 #if !defined( WIN32 )
  41 #include <netinet/in.h>
  42 #endif
  43
  44 #include <fcntl.h>
  45 #include <sys/types.h>
  46
  47 #include <string.h>
  48 #ifdef STRNCASECMP_IN_STRINGS_H
  49 #   include <strings.h>
  50 #endif
  51 #include <errno.h>
  52
  53 #ifdef GOD_DAMN_DMCA
  54 #   include "dummy_dvdcss.h"
  55 #else
  56 #   include <videolan/dvdcss.h>
  57 #endif
  58
  59 #include "config.h"
  60 #include "common.h"
  61 #include "intf_msg.h"
  62 #include "threads.h"
  63 #include "mtime.h"
  64 #include "iso_lang.h"
  65 #include "tests.h"
  66
  67 #include "main.h"
  68
  69 #include "input_dvd.h"
  70 #include "dvd_ifo.h"
  71
  72 #include "debug.h"
  73
  74 #include "modules.h"
  75 #include "modules_export.h"
  76
  77
  78 /*
  79  * Local tools to decode some data in ifo
  80  */
  81
  82 /****************************************************************************
  83  * IfoPrintTitle
  84  ****************************************************************************/
  85 void IfoPrintTitle( thread_dvd_data_t * p_dvd )
  86 {
  87     intf_WarnMsg( 5, "dvd info: title: %d", p_dvd->i_title );
  88     intf_WarnMsg( 5, "    vobstart at: %d blocks", p_dvd->i_start );
  89     intf_WarnMsg( 5, "    stream size: %d blocks", p_dvd->i_size );
  90     intf_WarnMsg( 5, "    number of chapters: %d", p_dvd->i_chapter_nb );
  91     intf_WarnMsg( 5, "    number of angles: %d", p_dvd->i_angle_nb );
  92 }
  93
  94 /****************************************************************************
  95  * IfoPrintVideo
  96  ****************************************************************************/
  97 #define video p_dvd->p_ifo->vts.manager_inf.video_attr
  98 void IfoPrintVideo( thread_dvd_data_t * p_dvd )
  99 {
 100     char     psz_ratio[12];
 101     char     psz_perm_displ[4][23] =
 102              {
 103                 "pan-scan & letterboxed",
 104                 "pan-scan",
 105                 "letterboxed",
 106                 "not specified"
 107              };
 108     char     psz_source_res[4][28] =
 109              {
 110                 "720x480 ntsc or 720x576 pal",
 111                 "704x480 ntsc or 704x576 pal",
 112                 "352x480 ntsc or 352x576 pal",
 113                 "352x240 ntsc or 352x288 pal"
 114              };
 115
 116
 117     switch( video.i_ratio )
 118     {
 119     case 0:
 120         sprintf( psz_ratio, "4:3" );
 121         break;
 122     case 3:
 123         sprintf( psz_ratio, "16:9" );
 124         break;
 125     default:
 126         sprintf( psz_ratio, "undef" );
 127         break;
 128     }
 129
 130     intf_WarnMsg( 5, "dvd info: video" );
 131     intf_WarnMsg( 5, "    compression: mpeg-%d", video.i_compression+1 );
 132     intf_WarnMsg( 5, "    tv system: %s Hz",
 133                      video.i_system ? "pal 625/50" : "ntsc 525/60" );
 134     intf_WarnMsg( 5, "    aspect ratio: %s", psz_ratio );
 135     intf_WarnMsg( 5, "    display mode: %s",
 136                      psz_perm_displ[video.i_perm_displ] );
 137     intf_WarnMsg( 5, "    line21-1: %s",
 138                      video.i_line21_1 ? "data present in GOP" : "" );
 139     intf_WarnMsg( 5, "    line21-2: %s",
 140                      video.i_line21_2 ? "data present in GOP" : "" );
 141     intf_WarnMsg( 5, "    source res: %s",
 142                      psz_source_res[video.i_source_res] );
 143     intf_WarnMsg( 5, "    letterboxed: %s",
 144                      video.i_letterboxed ? "yes" : "no" );
 145     intf_WarnMsg( 5, "    mode: %s",
 146                      video.i_mode ? "film (625/50 only)" : "camera");
 147 }
 148 #undef video
 149
 150 /****************************************************************************
 151  * IfoPrintAudio
 152  ****************************************************************************/
 153 #define audio p_dvd->p_ifo->vts.manager_inf.p_audio_attr[i-1]
 154 #define audio_status \
 155     p_dvd->p_ifo->vts.title_unit.p_title[p_dvd->i_title_id-1].title.pi_audio_status[i-1]
 156 void IfoPrintAudio( thread_dvd_data_t * p_dvd, int i )
 157 {
 158
 159     if( audio_status.i_available )
 160     {
 161         char    ppsz_mode[7][9] =
 162                 { "ac3", "unknown", "mpeg-1", "mpeg-2", "lpcm", "sdds", "dts" };
 163         char    ppsz_appl_mode[3][15] =
 164                 { "not specified", "karaoke", "surround sound" };
 165         char    psz_caption[25];
 166         char    ppsz_quant[4][10] =
 167                 { "16 bits", "20 bits", "24 bits", "drc" };
 168
 169         intf_WarnMsg( 5, "dvd info: audio %d" , i );
 170         intf_WarnMsg( 5, "    language: %s",
 171                          DecodeLanguage( hton16( audio.i_lang_code ) ) );
 172         intf_WarnMsg( 5, "    mode: %s", ppsz_mode[audio.i_coding_mode & 0x7] );
 173         intf_WarnMsg( 5, "    channel(s): %d %s",
 174                          audio.i_num_channels + 1,
 175                          audio.i_multichannel_extension ? "ext." : "" );
 176         intf_WarnMsg( 5, "    sampling: %d Hz",
 177                          audio.i_sample_freq ? 96000 : 48000 );
 178         intf_WarnMsg( 5, "    appl_mode: %s",
 179                          ppsz_appl_mode[audio.i_appl_mode & 0x2] );
 180         switch( audio.i_caption )
 181         {
 182         case 1:
 183             sprintf( psz_caption, "normal caption" );
 184             break;
 185         case 3:
 186             sprintf( psz_caption, "directors comments" );
 187             break;
 188         default:
 189             sprintf( psz_caption, " " );
 190             break;
 191         }
 192         intf_WarnMsg( 5, "    caption: %s", psz_caption );
 193         intf_WarnMsg( 5, "    quantization: %s",
 194                          ppsz_quant[audio.i_quantization & 0x3] );
 195
 196         intf_WarnMsg( 5, "    status: %x", audio_status.i_position );
 197     }
 198
 199
 200 }
 201 #undef audio_status
 202 #undef audio
 203
 204 /****************************************************************************
 205  * IfoPrintSpu
 206  ****************************************************************************/
 207 #define spu p_dvd->p_ifo->vts.manager_inf.p_spu_attr[i-1]
 208 #define spu_status \
 209     p_dvd->p_ifo->vts.title_unit.p_title[p_dvd->i_title_id-1].title.pi_spu_status[i-1]
 210
 211 void IfoPrintSpu( thread_dvd_data_t * p_dvd, int i )
 212 {
 213     if( spu_status.i_available )
 214     {
 215         intf_WarnMsg( 5, "dvd info: spu %d", i );
 216         intf_WarnMsg( 5, "    caption: %d", spu.i_caption );
 217         intf_WarnMsg( 5, "    language: %s",
 218                          DecodeLanguage( hton16( spu.i_lang_code ) ) );
 219         intf_WarnMsg( 5, "    prefix: %x", spu.i_prefix );
 220
 221         intf_WarnMsg( 5, "    status: 4:3 %x wide %x letter %x pan %x",
 222             spu_status.i_position_43,
 223             spu_status.i_position_wide,
 224             spu_status.i_position_letter,
 225             spu_status.i_position_pan );
 226     }
 227
 228 }
 229 #undef spu_status
 230 #undef spu