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 1.14 2002/03/06 01:20:56 stef 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 <videolan/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 "dummy_dvdcss.h"
  52 #else
  53 #   include <videolan/dvdcss.h>
  54 #endif
  55
  56 #include "dvd.h"
  57 #include "dvd_ifo.h"
  58 #include "iso_lang.h"
  59
  60 #include "debug.h"
  61
  62 /*
  63  * Local tools to decode some data in ifo
  64  */
  65
  66 /****************************************************************************
  67  * IfoPrintTitle
  68  ****************************************************************************/
  69 void IfoPrintTitle( thread_dvd_data_t * p_dvd )
  70 {
  71     intf_WarnMsg( 5, "dvd info: title %d, %d chapter%s, %d angle%s, "
  72                      "vobstart at %d blocks, stream size %d blocks",
  73                      p_dvd->i_title, p_dvd->i_chapter_nb,
  74                      (p_dvd->i_chapter_nb == 1) ? "" : "s",
  75                      p_dvd->i_angle_nb,
  76                      (p_dvd->i_angle_nb == 1) ? "" : "s",
  77                      p_dvd->i_start, p_dvd->i_size );
  78 }
  79
  80 /****************************************************************************
  81  * IfoPrintVideo
  82  ****************************************************************************/
  83 #define video p_dvd->p_ifo->vts.manager_inf.video_attr
  84 void IfoPrintVideo( thread_dvd_data_t * p_dvd )
  85 {
  86     char*    psz_perm_displ[4] =
  87              {
  88                 "pan-scan & letterboxed",
  89                 "pan-scan",
  90                 "letterboxed",
  91                 "not specified"
  92              };
  93     char*    psz_source_res[4] =
  94              {
  95                 "720x480 ntsc or 720x576 pal",
  96                 "704x480 ntsc or 704x576 pal",
  97                 "352x480 ntsc or 352x576 pal",
  98                 "352x240 ntsc or 352x288 pal"
  99              };
 100
 101     intf_WarnMsg( 5, "dvd info: MPEG-%d video, %sHz, aspect ratio %s",
 102                      video.i_compression + 1,
 103                      video.i_system ? "pal 625 @50" : "ntsc 525 @60",
 104                      video.i_ratio ? (video.i_ratio == 3) ? "16:9"
 105                                                           : "unknown"
 106                                    : "4:3" );
 107
 108     intf_WarnMsg( 5, "dvd info: display mode %s, %s, %s",
 109                      psz_perm_displ[video.i_perm_displ],
 110                      video.i_line21_1 ? "line21-1 data in GOP"
 111                                       : "no line21-1 data",
 112                      video.i_line21_2 ? "line21-2 data in GOP"
 113                                       : "no line21-2 data" );
 114
 115     intf_WarnMsg( 5, "dvd info: source is %s, %sletterboxed, %s mode",
 116                      psz_source_res[video.i_source_res],
 117                      video.i_letterboxed ? "" : "not ",
 118                      video.i_mode ? "film (625/50 only)" : "camera" );
 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         char* ppsz_mode[7] =
 133                 { "ac3", "unknown", "mpeg-1", "mpeg-2", "lpcm", "sdds", "dts" };
 134         char* ppsz_appl_mode[3] =
 135                 { "no application specified", "karaoke", "surround sound" };
 136         char* ppsz_quant[4] =
 137                 { "16 bits", "20 bits", "24 bits", "drc" };
 138
 139         intf_WarnMsg( 5, "dvd info: audio %d (%s) is %s, "
 140                          "%d%s channel%s, %dHz, %s", i,
 141                          DecodeLanguage( hton16( audio.i_lang_code ) ),
 142                          ppsz_mode[audio.i_coding_mode & 0x7],
 143                          audio.i_num_channels + 1,
 144                          audio.i_multichannel_extension ? " ext." : "",
 145                          audio.i_num_channels ? "s" : "",
 146                          audio.i_sample_freq ? 96000 : 48000,
 147                          ppsz_appl_mode[audio.i_appl_mode & 0x2] );
 148
 149         intf_WarnMsg( 5, "dvd info: %s, quantization %s, status %x",
 150                          (audio.i_caption == 1) ? "normal caption"
 151                            : (audio.i_caption == 3) ? "directors comments"
 152                                : "unknown caption",
 153                          ppsz_quant[audio.i_quantization & 0x3],
 154                          audio_status.i_position );
 155     }
 156 }
 157 #undef audio_status
 158 #undef audio
 159
 160 /****************************************************************************
 161  * IfoPrintSpu
 162  ****************************************************************************/
 163 #define spu p_dvd->p_ifo->vts.manager_inf.p_spu_attr[i-1]
 164 #define spu_status \
 165     p_dvd->p_ifo->vts.title_unit.p_title[p_dvd->i_title_id-1].title.pi_spu_status[i-1]
 166
 167 void IfoPrintSpu( thread_dvd_data_t * p_dvd, int i )
 168 {
 169     if( spu_status.i_available )
 170     {
 171         intf_WarnMsg( 5, "dvd info: spu %d (%s), caption %d "
 172                          "prefix %x, modes [%s%s%s%s ]", i,
 173                          DecodeLanguage( hton16( spu.i_lang_code ) ),
 174                          spu.i_caption, spu.i_prefix,
 175                          spu_status.i_position_43 ? " 4:3" : "",
 176                          spu_status.i_position_wide ? " wide" : "",
 177                          spu_status.i_position_letter ? " letter" : "",
 178                          spu_status.i_position_pan ? " pan" : "" );
 179     }
 180 }
 181 #undef spu_status
 182 #undef spu