]> git.sesse.net Git - vlc/blob - modules/demux/playlist/pls.c
Add a bunch of helper functions/macros and start using them:
[vlc] / modules / demux / playlist / pls.c
1 /*****************************************************************************
2  * pls.c : PLS playlist format import
3  *****************************************************************************
4  * Copyright (C) 2004 the VideoLAN team
5  * $Id$
6  *
7  * Authors: ClĂ©ment Stenac <zorglub@videolan.org>
8  * Authors: Sigmund Augdal Helberg <dnumgis@videolan.org>
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28 #include <vlc/vlc.h>
29 #include <vlc/input.h>
30 #include <vlc/intf.h>
31
32 #include "playlist.h"
33
34 struct demux_sys_t
35 {
36     char *psz_prefix;
37 };
38
39 /*****************************************************************************
40  * Local prototypes
41  *****************************************************************************/
42 static int Demux( demux_t *p_demux);
43 static int Control( demux_t *p_demux, int i_query, va_list args );
44
45 /*****************************************************************************
46  * Import_PLS: main import function
47  *****************************************************************************/
48 int E_(Import_PLS)( vlc_object_t *p_this )
49 {
50     demux_t *p_demux = (demux_t *)p_this;
51     uint8_t *p_peek;
52     CHECK_PEEK( p_peek, 7 );
53
54     if( POKE( p_peek, "[playlist]", 10 ) ||
55         isExtension( p_demux, ".pls" )   || isDemux( p_demux, "pls" ) )
56     {
57         ;
58     }
59     else return VLC_EGENERIC;
60
61     STANDARD_DEMUX_INIT_MSG(  "found valid PLS playlist file");
62     p_demux->p_sys->psz_prefix = E_(FindPrefix)( p_demux );
63
64     return VLC_SUCCESS;
65 }
66
67 /*****************************************************************************
68  * Deactivate: frees unused data
69  *****************************************************************************/
70 void E_(Close_PLS)( vlc_object_t *p_this )
71 {
72     demux_t *p_demux = (demux_t *)p_this;
73     if( p_demux->p_sys->psz_prefix )
74     {
75         free( p_demux->p_sys->psz_prefix );
76     }
77     free( p_demux->p_sys );
78 }
79
80 static int Demux( demux_t *p_demux )
81 {
82     mtime_t        i_duration = -1;
83     char          *psz_name = NULL;
84     char          *psz_line;
85     char          *psz_mrl = NULL;
86     char          *psz_key;
87     char          *psz_value;
88     int            i_position;
89     int            i_item = -1;
90     int            i_new_item = 0;
91     int            i_key_length;
92
93     INIT_PLAYLIST_STUFF;
94
95     while( ( psz_line = stream_ReadLine( p_demux->s ) ) )
96     {
97         if( !strncasecmp( psz_line, "[playlist]", sizeof("[playlist]")-1 ) )
98         {
99             free( psz_line );
100             continue;
101         }
102         psz_key = psz_line;
103         psz_value = strchr( psz_line, '=' );
104         if( psz_value )
105         {
106             *psz_value='\0';
107             psz_value++;
108         }
109         else
110         {
111             msg_Warn( p_demux, "invalid line in pls file" );
112             free( psz_line );
113             continue;
114         }
115         if( !strcasecmp( psz_key, "version" ) )
116         {
117             msg_Dbg( p_demux, "pls file version: %s", psz_value );
118             free( psz_line );
119             continue;
120         }
121         /* find the number part of of file1, title1 or length1 etc */
122         i_key_length = strlen( psz_key );
123         if( i_key_length >= 5 ) /* file1 type case */
124         {
125             i_new_item = atoi( psz_key + 4 );
126             if( i_new_item == 0 && i_key_length >= 6 ) /* title1 type case */
127             {
128                 i_new_item = atoi( psz_key + 5 );
129                 if( i_new_item == 0 && i_key_length >= 7 ) /* length1 type case */
130                 {
131                     i_new_item = atoi( psz_key + 6 );
132                 }
133             }
134         }
135         if( i_new_item == 0 )
136         {
137             msg_Warn( p_demux, "couldn't find number of items" );
138             free( psz_line );
139             continue;
140         }
141         if( i_item == -1 )
142         {
143             i_item = i_new_item;
144         }
145         /* we found a new item, insert the previous */
146         if( i_item != i_new_item )
147         {
148             if( psz_mrl )
149             {
150                 p_input = input_ItemNewExt( p_playlist, psz_mrl, psz_name,
151                                             0, NULL, -1 );
152                 vlc_input_item_CopyOptions( p_current->p_input, p_input );
153                 playlist_AddWhereverNeeded( p_playlist, p_input, p_current,
154                                 p_item_in_category, (i_parent_id > 0 ) ?
155                                 VLC_TRUE: VLC_FALSE, PLAYLIST_APPEND );
156             }
157             else
158             {
159                 msg_Warn( p_demux, "no file= part found for item %d", i_item );
160             }
161             if( psz_name )
162             {
163                 free( psz_name );
164                 psz_name = NULL;
165             }
166             i_duration = -1;
167             i_item = i_new_item;
168             i_new_item = 0;
169         }
170         if( !strncasecmp( psz_key, "file", sizeof("file") -1 ) )
171         {
172             psz_mrl = E_(ProcessMRL)( psz_value, p_demux->p_sys->psz_prefix );
173         }
174         else if( !strncasecmp( psz_key, "title", sizeof("title") -1 ) )
175         {
176             psz_name = strdup( psz_value );
177         }
178         else if( !strncasecmp( psz_key, "length", sizeof("length") -1 ) )
179         {
180             i_duration = atoi( psz_value );
181             if( i_duration != -1 )
182             {
183                 i_duration *= 1000000;
184             }
185         }
186         else
187         {
188             msg_Warn( p_demux, "unknown key found in pls file: %s", psz_key );
189         }
190         free( psz_line );
191     }
192     /* Add last object */
193     if( psz_mrl )
194     {
195         p_input = input_ItemNewExt( p_playlist, psz_mrl, psz_name,0, NULL, -1 );
196         vlc_input_item_CopyOptions( p_current->p_input, p_input );
197         playlist_AddWhereverNeeded( p_playlist, p_input, p_current,
198                                 p_item_in_category, (i_parent_id > 0 ) ?
199                                 VLC_TRUE: VLC_FALSE, PLAYLIST_APPEND );
200         free( psz_mrl );
201         psz_mrl = NULL;
202     }
203     else
204     {
205         msg_Warn( p_demux, "no file= part found for item %d", i_item );
206     }
207     if( psz_name )
208     {
209         free( psz_name );
210         psz_name = NULL;
211     }
212
213     HANDLE_PLAY_AND_RELEASE;
214     return VLC_SUCCESS;
215 }
216
217 static int Control( demux_t *p_demux, int i_query, va_list args )
218 {
219     return VLC_EGENERIC;
220 }