root/modules/demux/playlist/playlist.c

Revision 9676321a537e902706b44b68adb7102100f48811, 6.8 kB (checked in by Rémi Duraffort <ivoire@videolan.org>, 3 months ago)

demux/playlit/*: Check asprintf return malloc.

  • Property mode set to 100644
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1 /*****************************************************************************
2  * playlist.c :  Playlist import module
3  *****************************************************************************
4  * Copyright (C) 2004 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Clément Stenac <zorglub@videolan.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_plugin.h>
33 #include <vlc_demux.h>
34
35 #include "playlist.h"
36
37 /*****************************************************************************
38  * Module descriptor
39  *****************************************************************************/
40 #define AUTOSTART_TEXT N_( "Auto start" )
41 #define AUTOSTART_LONGTEXT N_( "Automatically start playing the playlist " \
42                 "content once it's loaded." )
43
44 #define SHOW_ADULT_TEXT N_( "Show shoutcast adult content" )
45 #define SHOW_ADULT_LONGTEXT N_( "Show NC17 rated video streams when " \
46                 "using shoutcast video playlists." )
47
48 #define SKIP_ADS_TEXT N_( "Skip ads" )
49 #define SKIP_ADS_LONGTEXT N_( "Use playlist options usually used to prevent " \
50     "ads skipping to detect ads and prevent adding them to the playlist." )
51
52 vlc_module_begin();
53     add_shortcut( "playlist" );
54     set_category( CAT_INPUT );
55     set_subcategory( SUBCAT_INPUT_DEMUX );
56
57     add_bool( "playlist-autostart", 1, NULL,
58               AUTOSTART_TEXT, AUTOSTART_LONGTEXT, false );
59
60     add_integer( "parent-item", 0, NULL, NULL, NULL, true );
61         change_internal();
62
63     add_bool( "playlist-skip-ads", 1, NULL,
64               SKIP_ADS_TEXT, SKIP_ADS_LONGTEXT, false );
65
66     set_shortname( N_("Playlist") );
67     set_description( N_("Playlist") );
68     add_submodule();
69         set_description( N_("M3U playlist import") );
70         add_shortcut( "m3u-open" );
71         set_capability( "demux", 10 );
72         set_callbacks( Import_M3U, Close_M3U );
73     add_submodule();
74         set_description( N_("PLS playlist import") );
75         add_shortcut( "pls-open" );
76         set_capability( "demux", 10 );
77         set_callbacks( Import_PLS, Close_PLS );
78     add_submodule();
79         set_description( N_("B4S playlist import") );
80         add_shortcut( "b4s-open" );
81         add_shortcut( "shout-b4s" );
82         set_capability( "demux", 10 );
83         set_callbacks( Import_B4S, Close_B4S );
84     add_submodule();
85         set_description( N_("DVB playlist import") );
86         add_shortcut( "dvb-open" );
87         set_capability( "demux", 10 );
88         set_callbacks( Import_DVB, Close_DVB );
89     add_submodule();
90         set_description( N_("Podcast parser") );
91         add_shortcut( "podcast" );
92         set_capability( "demux", 10 );
93         set_callbacks( Import_podcast, Close_podcast );
94     add_submodule();
95         set_description( N_("XSPF playlist import") );
96         add_shortcut( "xspf-open" );
97         set_capability( "demux", 10 );
98         set_callbacks( Import_xspf, Close_xspf );
99     add_submodule();
100         set_description( N_("New winamp 5.2 shoutcast import") );
101         add_shortcut( "shout-winamp" );
102         set_capability( "demux", 10 );
103         set_callbacks( Import_Shoutcast, Close_Shoutcast );
104         add_bool( "shoutcast-show-adult", false, NULL,
105                    SHOW_ADULT_TEXT, SHOW_ADULT_LONGTEXT, false );
106     add_submodule();
107         set_description( N_("ASX playlist import") );
108         add_shortcut( "asx-open" );
109         set_capability( "demux", 10 );
110         set_callbacks( Import_ASX, Close_ASX );
111     add_submodule();
112         set_description( N_("Kasenna MediaBase parser") );
113         add_shortcut( "sgimb" );
114         set_capability( "demux", 10 );
115         set_callbacks( Import_SGIMB, Close_SGIMB );
116     add_submodule();
117         set_description( N_("QuickTime Media Link importer") );
118         add_shortcut( "qtl" );
119         set_capability( "demux", 10 );
120         set_callbacks( Import_QTL, Close_QTL );
121     add_submodule();
122         set_description( N_("Google Video Playlist importer") );
123         add_shortcut( "gvp" );
124         set_capability( "demux", 10 );
125         set_callbacks( Import_GVP, Close_GVP );
126     add_submodule();
127         set_description( N_("Dummy ifo demux") );
128         set_capability( "demux", 12 );
129         set_callbacks( Import_IFO, Close_IFO );
130     add_submodule();
131         set_description( N_("iTunes Music Library importer") );
132         add_shortcut( "itml" );
133         set_capability( "demux", 10 );
134         set_callbacks( Import_iTML, Close_iTML );
135 vlc_module_end();
136
137
138 /**
139  * Find directory part of the path to the playlist file, in case of
140  * relative paths inside
141  */
142 char *FindPrefix( demux_t *p_demux )
143 {
144     char *psz_name;
145     char *psz_path = strdup( p_demux->psz_path );
146
147 #ifndef WIN32
148     psz_name = strrchr( psz_path, '/' );
149 #else
150     psz_name = strrchr( psz_path, '\\' );
151     if( !psz_name ) psz_name = strrchr( psz_path, '/' );
152 #endif
153     if( psz_name ) psz_name[1] = '\0';
154     else *psz_path = '\0';
155
156     return psz_path;
157 }
158
159 /**
160  * Add the directory part of the playlist file to the start of the
161  * mrl, if the mrl is a relative file path
162  */
163 char *ProcessMRL( char *psz_mrl, char *psz_prefix )
164 {
165     /* Check for a protocol name.
166      * for URL, we should look for "://"
167      * for MRL (Media Resource Locator) ([[<access>][/<demux>]:][<source>]),
168      * we should look for ":", so we end up looking simply for ":"
169      * PB: on some file systems, ':' are valid characters though */
170
171     /* Simple cases first */
172     if( !psz_mrl || !*psz_mrl ) return NULL;
173     if( !psz_prefix || !*psz_prefix ) return strdup( psz_mrl );
174
175     /* Check if the line specifies an absolute path */
176     if( *psz_mrl == '/' || *psz_mrl == '\\' ) return strdup( psz_mrl );
177
178     /* Check if the line specifies an mrl/url
179      * (and on win32, contains a drive letter) */
180     if( strchr( psz_mrl, ':' ) ) return strdup( psz_mrl );
181
182     /* This a relative path, prepend the prefix */
183     if( asprintf( &psz_mrl, "%s%s", psz_prefix, psz_mrl ) != -1 )
184         return psz_mrl;
185     else
186         return NULL;
187 }
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