Add dummy .IFO playlist demux to enable opening a DVD rip by double clicking...

Add dummy .IFO playlist demux to enable opening a DVD rip by double clicking on the .IFO files. closes #1067.

modules/demux/playlist/Modules.am

@@ -13,6 +13,7 @@ SOURCES_playlist = \
 	sgimb.c \
 	qtl.c \
 	gvp.c \
+	ifo.c \
 	$(NULL)
 
 

modules/demux/playlist/ifo.c

+/*****************************************************************************
+ * ifo.c: Dummy ifo demux to enable opening DVDs rips by double cliking on VIDEO_TS.IFO
+ *****************************************************************************
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Antoine Cellerier <dionoea @t videolan d.t org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <vlc/vlc.h>
+#include <vlc_demux.h>
+
+#include <errno.h>                                                 /* ENOMEM */
+#include "playlist.h"
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int Demux( demux_t *p_demux);
+static int Control( demux_t *p_demux, int i_query, va_list args );
+
+/*****************************************************************************
+ * Import_IFO: main import function
+ *****************************************************************************/
+int E_(Import_IFO)( vlc_object_t *p_this )
+{
+    demux_t *p_demux = (demux_t *)p_this;
+
+    char *psz_file = p_demux->psz_path + strlen( p_demux->psz_path )
+                     - strlen( "VIDEO_TS.IFO" );
+    /* Valid filenamed are :
+     *  - VIDEO_TS.IFO
+     *  - VTS_XX_X.IFO where X are digits
+     */
+    if( strlen( p_demux->psz_path ) > strlen( "VIDEO_TS.IFO" )
+        && ( !strcasecmp( psz_file, "VIDEO_TS.IFO" )
+        || (!strncasecmp( psz_file, "VTS_", 4 )
+        && !strcasecmp( psz_file + strlen( "VTS_00_0" ) , ".IFO" ) ) ) )
+    {
+        int i_peek;
+        byte_t *p_peek;
+        i_peek = stream_Peek( p_demux->s, &p_peek, 8 );
+
+        if( strncmp( p_peek, "DVDVIDEO", 8 ) )
+            return VLC_EGENERIC;
+    }
+    else
+        return VLC_EGENERIC;
+
+//    STANDARD_DEMUX_INIT_MSG( "found valid VIDEO_TS.IFO" )
+    p_demux->pf_control = Control;
+    p_demux->pf_demux = Demux;
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Deactivate: frees unused data
+ *****************************************************************************/
+void E_(Close_IFO)( vlc_object_t *p_this )
+{
+}
+
+static int Demux( demux_t *p_demux )
+{
+    char *psz_url = NULL;
+    char *psz_file = p_demux->psz_path + strlen( p_demux->psz_path )
+                     - strlen( "VIDEO_TS.IFO" );
+    size_t len = 0;
+    input_item_t *p_input;
+
+    INIT_PLAYLIST_STUFF;
+
+    len = strlen( "dvd://" ) + strlen( p_demux->psz_path )
+          - strlen( "VIDEO_TS.IFO" );
+    psz_url = (char *)malloc( len+1 );
+    snprintf( psz_url, len+1, "dvd://%s", p_demux->psz_path );
+
+    p_input = input_ItemNewExt( p_playlist, psz_url, psz_url, 0, NULL, -1 );
+    playlist_BothAddInput( p_playlist, p_input,
+                           p_item_in_category,
+                           PLAYLIST_APPEND | PLAYLIST_SPREPARSE,
+                           PLAYLIST_END, NULL, NULL, VLC_FALSE );
+
+    HANDLE_PLAY_AND_RELEASE;
+
+    return -1; /* Needed for correct operation of go back */
+}
+
+static int Control( demux_t *p_demux, int i_query, va_list args )
+{
+    return VLC_EGENERIC;
+}

modules/demux/playlist/playlist.c

@@ -113,6 +113,10 @@ vlc_module_begin();
         add_shortcut( "gvp" );
         set_capability( "demux2", 10 );
         set_callbacks( E_(Import_GVP), E_(Close_GVP) );
+    add_submodule();
+        set_description( _("Dummy ifo demux") );
+        set_capability( "demux2", 12 );
+        set_callbacks( E_(Import_IFO), E_(Close_IFO) );
 vlc_module_end();
 
 

modules/demux/playlist/playlist.h

@@ -67,6 +67,9 @@ void E_(Close_QTL) ( vlc_object_t * );
 int E_(Import_GVP) ( vlc_object_t * );
 void E_(Close_GVP) ( vlc_object_t * );
 
+int E_(Import_IFO) ( vlc_object_t * );
+void E_(Close_IFO) ( vlc_object_t * );
+
 #define INIT_PLAYLIST_STUFF \
     playlist_t *p_playlist = pl_Yield( p_demux ); \
     vlc_bool_t b_play = var_CreateGetBool( p_demux, "playlist-autostart" ); \