modules/demux/playlist/ifo.c

   1 /*****************************************************************************
   2  * ifo.c: Dummy ifo demux to enable opening DVDs rips by double cliking on VIDEO_TS.IFO
   3  *****************************************************************************
   4  * Copyright (C) 2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Antoine Cellerier <dionoea @t videolan d.t org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30
  31 #include <vlc_common.h>
  32 #include <vlc_demux.h>
  33
  34 #include "playlist.h"
  35
  36 /*****************************************************************************
  37  * Local prototypes
  38  *****************************************************************************/
  39 static int Demux( demux_t *p_demux);
  40 static int DemuxDVD_VR( demux_t *p_demux);
  41 static int Control( demux_t *p_demux, int i_query, va_list args );
  42
  43 /*****************************************************************************
  44  * Import_IFO: main import function
  45  *****************************************************************************/
  46 int Import_IFO( vlc_object_t *p_this )
  47 {
  48     demux_t *p_demux = (demux_t *)p_this;
  49
  50     size_t len = strlen( p_demux->psz_path );
  51
  52     char *psz_file = p_demux->psz_path + len - strlen( "VIDEO_TS.IFO" );
  53     /* Valid filenames are :
  54      *  - VIDEO_TS.IFO
  55      *  - VTS_XX_X.IFO where X are digits
  56      */
  57     if( len > strlen( "VIDEO_TS.IFO" )
  58         && ( !strcasecmp( psz_file, "VIDEO_TS.IFO" )
  59         || (!strncasecmp( psz_file, "VTS_", 4 )
  60         && !strcasecmp( psz_file + strlen( "VTS_00_0" ) , ".IFO" ) ) ) )
  61     {
  62         int i_peek;
  63         const uint8_t *p_peek;
  64         i_peek = stream_Peek( p_demux->s, &p_peek, 8 );
  65
  66         if( i_peek != 8 || memcmp( p_peek, "DVDVIDEO", 8 ) )
  67             return VLC_EGENERIC;
  68
  69         p_demux->pf_demux = Demux;
  70     }
  71     /* Valid filename for DVD-VR is VR_MANGR.IFO */
  72     else if( len >= 12 && !strcmp( &p_demux->psz_path[len-12], "VR_MANGR.IFO" ) )
  73     {
  74         int i_peek;
  75         const uint8_t *p_peek;
  76         i_peek = stream_Peek( p_demux->s, &p_peek, 8 );
  77
  78         if( i_peek != 8 || memcmp( p_peek, "DVD_RTR_", 8 ) )
  79             return VLC_EGENERIC;
  80
  81         p_demux->pf_demux = DemuxDVD_VR;
  82     }
  83     else
  84         return VLC_EGENERIC;
  85
  86 //    STANDARD_DEMUX_INIT_MSG( "found valid VIDEO_TS.IFO" )
  87     p_demux->pf_control = Control;
  88
  89     return VLC_SUCCESS;
  90 }
  91
  92 /*****************************************************************************
  93  * Deactivate: frees unused data
  94  *****************************************************************************/
  95 void Close_IFO( vlc_object_t *p_this )
  96 {
  97     VLC_UNUSED(p_this);
  98 }
  99
 100 static int Demux( demux_t *p_demux )
 101 {
 102     size_t len = strlen( "dvd://" ) + strlen( p_demux->psz_path )
 103                - strlen( "VIDEO_TS.IFO" );
 104     char *psz_url;
 105
 106     psz_url = malloc( len+1 );
 107     if( !psz_url )
 108         return 0;
 109     snprintf( psz_url, len+1, "dvd://%s", p_demux->psz_path );
 110
 111     input_item_t *p_current_input = GetCurrentItem(p_demux);
 112     input_item_t *p_input = input_item_New( p_demux, psz_url, psz_url );
 113     input_item_AddSubItem( p_current_input, p_input );
 114     input_item_AddSubItem2( p_current_input, p_input );
 115     vlc_gc_decref( p_input );
 116
 117     vlc_gc_decref(p_current_input);
 118     free( psz_url );
 119
 120     return 0; /* Needed for correct operation of go back */
 121 }
 122
 123 static int DemuxDVD_VR( demux_t *p_demux )
 124 {
 125     char *psz_url = strdup( p_demux->psz_path );
 126
 127     if( !psz_url )
 128         return 0;
 129
 130     size_t len = strlen( psz_url );
 131
 132     strncpy( psz_url + len - 12, "VR_MOVIE.VRO", 12 );
 133
 134     input_item_t *p_current_input = GetCurrentItem(p_demux);
 135     input_item_t *p_input = input_item_New( p_demux, psz_url, psz_url );
 136     input_item_AddSubItem( p_current_input, p_input );
 137     input_item_AddSubItem2( p_current_input, p_input );
 138
 139     vlc_gc_decref( p_input );
 140
 141     vlc_gc_decref(p_current_input);
 142     free( psz_url );
 143
 144     return 0; /* Needed for correct operation of go back */
 145 }
 146
 147
 148 static int Control( demux_t *p_demux, int i_query, va_list args )
 149 {
 150     VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args);
 151     return VLC_EGENERIC;
 152 }