git.sesse.net Git - vlc/blob - 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: Clément 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 <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31 #include <vlc/input.h>
  32 #include <vlc/intf.h>
  33
  34 #include <errno.h>                                                 /* ENOMEM */
  35 #include "playlist.h"
  36
  37 struct demux_sys_t
  38 {
  39     char *psz_prefix;
  40 };
  41
  42 /*****************************************************************************
  43  * Local prototypes
  44  *****************************************************************************/
  45 static int Demux( demux_t *p_demux);
  46 static int Control( demux_t *p_demux, int i_query, va_list args );
  47
  48 /*****************************************************************************
  49  * Import_PLS: main import function
  50  *****************************************************************************/
  51 int E_(Import_PLS)( vlc_object_t *p_this )
  52 {
  53     demux_t *p_demux = (demux_t *)p_this;
  54
  55     uint8_t *p_peek;
  56     char    *psz_ext;
  57
  58     if( stream_Peek( p_demux->s , &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
  59     psz_ext = strrchr ( p_demux->psz_path, '.' );
  60
  61     if( !strncasecmp( (char *)p_peek, "[playlist]", 10 ) )
  62     {
  63         ;
  64     }
  65     else if( ( psz_ext && !strcasecmp( psz_ext, ".pls") ) ||
  66              ( p_demux->psz_demux && !strcmp(p_demux->psz_demux, "pls") ) )
  67     {
  68         ;
  69     }
  70     else return VLC_EGENERIC;
  71
  72     msg_Dbg( p_demux, "found valid PLS playlist file");
  73
  74     p_demux->pf_control = Control;
  75     p_demux->pf_demux = Demux;
  76     p_demux->p_sys = malloc( sizeof(demux_sys_t) );
  77     if( p_demux->p_sys == NULL )
  78     {
  79         msg_Err( p_demux, "out of memory" );
  80         return VLC_ENOMEM;
  81     }
  82     p_demux->p_sys->psz_prefix = E_(FindPrefix)( p_demux );
  83
  84     return VLC_SUCCESS;
  85 }
  86
  87 /*****************************************************************************
  88  * Deactivate: frees unused data
  89  *****************************************************************************/
  90 void E_(Close_PLS)( vlc_object_t *p_this )
  91 {
  92     demux_t *p_demux = (demux_t *)p_this;
  93     if( p_demux->p_sys->psz_prefix )
  94     {
  95         free( p_demux->p_sys->psz_prefix );
  96     }
  97     free( p_demux->p_sys );
  98 }
  99
 100 static int Demux( demux_t *p_demux )
 101 {
 102 #if 0
 103     mtime_t        i_duration = -1;
 104     char          *psz_name = NULL;
 105     char          *psz_line;
 106     char          *psz_mrl = NULL;
 107     char          *psz_key;
 108     char          *psz_value;
 109     playlist_t    *p_playlist;
 110     int            i_position;
 111     int            i_item = -1;
 112     int            i_new_item = 0;
 113     int            i_key_length;
 114     playlist_item_t *p_parent;
 115     vlc_bool_t b_play;
 116
 117     p_playlist = (playlist_t *) vlc_object_find( p_demux, VLC_OBJECT_PLAYLIST,
 118                                                  FIND_ANYWHERE );
 119     if( !p_playlist )
 120     {
 121         msg_Err( p_demux, "can't find playlist" );
 122         return -1;
 123     }
 124
 125     b_play = E_(FindItem)( p_demux, p_playlist, &p_parent );
 126     p_parent->input.i_type = ITEM_TYPE_PLAYLIST;
 127
 128     /* Change the item to a node */
 129     if( p_parent->i_children == -1)
 130     {
 131         playlist_ItemToNode( p_playlist,p_parent );
 132     }
 133
 134     while( ( psz_line = stream_ReadLine( p_demux->s ) ) )
 135     {
 136         if( !strncasecmp( psz_line, "[playlist]", sizeof("[playlist]")-1 ) )
 137         {
 138             free( psz_line );
 139             continue;
 140         }
 141         psz_key = psz_line;
 142         psz_value = strchr( psz_line, '=' );
 143         if( psz_value )
 144         {
 145             *psz_value='\0';
 146             psz_value++;
 147         }
 148         else
 149         {
 150             msg_Warn( p_demux, "invalid line in pls file" );
 151             free( psz_line );
 152             continue;
 153         }
 154         if( !strcasecmp( psz_key, "version" ) )
 155         {
 156             msg_Dbg( p_demux, "pls file version: %s", psz_value );
 157             free( psz_line );
 158             continue;
 159         }
 160         /* find the number part of of file1, title1 or length1 etc */
 161         i_key_length = strlen( psz_key );
 162         if( i_key_length >= 5 ) /* file1 type case */
 163         {
 164             i_new_item = atoi( psz_key + 4 );
 165             if( i_new_item == 0 && i_key_length >= 6 ) /* title1 type case */
 166             {
 167                 i_new_item = atoi( psz_key + 5 );
 168                 if( i_new_item == 0 && i_key_length >= 7 ) /* length1 type case */
 169                 {
 170                     i_new_item = atoi( psz_key + 6 );
 171                 }
 172             }
 173         }
 174         if( i_new_item == 0 )
 175         {
 176             msg_Warn( p_demux, "couldn't find number of items" );
 177             free( psz_line );
 178             continue;
 179         }
 180         if( i_item == -1 )
 181         {
 182             i_item = i_new_item;
 183         }
 184         /* we found a new item, insert the previous */
 185         if( i_item != i_new_item )
 186         {
 187             if( psz_mrl )
 188             {
 189                 playlist_item_t *p_item = playlist_ItemNew( p_playlist, psz_mrl,
 190                                                             psz_name );
 191
 192                 playlist_NodeAddItem( p_playlist,p_item,
 193                                       p_parent->pp_parents[0]->i_view,
 194                                       p_parent,
 195                                       PLAYLIST_APPEND, PLAYLIST_END );
 196
 197                 playlist_CopyParents( p_parent, p_item );
 198                 if( i_duration != -1 )
 199                 {
 200                     //playlist_SetDuration( p_playlist, i_position, i_duration );
 201                 }
 202                 i_position++;
 203                 free( psz_mrl );
 204                 psz_mrl = NULL;
 205
 206                 vlc_input_item_CopyOptions( &p_parent->input,
 207                                             &p_item->input );
 208             }
 209             else
 210             {
 211                 msg_Warn( p_demux, "no file= part found for item %d", i_item );
 212             }
 213             if( psz_name )
 214             {
 215                 free( psz_name );
 216                 psz_name = NULL;
 217             }
 218             i_duration = -1;
 219             i_item = i_new_item;
 220             i_new_item = 0;
 221         }
 222         if( !strncasecmp( psz_key, "file", sizeof("file") -1 ) )
 223         {
 224             psz_mrl = E_(ProcessMRL)( psz_value, p_demux->p_sys->psz_prefix );
 225         }
 226         else if( !strncasecmp( psz_key, "title", sizeof("title") -1 ) )
 227         {
 228             psz_name = strdup( psz_value );
 229         }
 230         else if( !strncasecmp( psz_key, "length", sizeof("length") -1 ) )
 231         {
 232             i_duration = atoi( psz_value );
 233             if( i_duration != -1 )
 234             {
 235                 i_duration *= 1000000;
 236             }
 237         }
 238         else
 239         {
 240             msg_Warn( p_demux, "unknown key found in pls file: %s", psz_key );
 241         }
 242         free( psz_line );
 243     }
 244     /* Add last object */
 245     if( psz_mrl )
 246     {
 247         playlist_item_t *p_item = playlist_ItemNew( p_playlist, psz_mrl,
 248                                                     psz_name );
 249
 250         playlist_NodeAddItem( p_playlist,p_item,
 251                               p_parent->pp_parents[0]->i_view,
 252                               p_parent,
 253                               PLAYLIST_APPEND, PLAYLIST_END );
 254
 255         playlist_CopyParents( p_parent, p_item );
 256         if( i_duration != -1 )
 257         {
 258             //playlist_SetDuration( p_playlist, i_position, i_duration );
 259         }
 260         free( psz_mrl );
 261         psz_mrl = NULL;
 262
 263         vlc_input_item_CopyOptions( &p_parent->input,
 264                                     &p_item->input );
 265     }
 266     else
 267     {
 268         msg_Warn( p_demux, "no file= part found for item %d", i_item );
 269     }
 270     if( psz_name )
 271     {
 272         free( psz_name );
 273         psz_name = NULL;
 274     }
 275
 276     if( b_play && p_playlist->status.p_item &&
 277         p_playlist->status.p_item->i_children > 0 )
 278     {
 279         playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
 280                           p_playlist->status.i_view,
 281                           p_playlist->status.p_item,
 282                           p_playlist->status.p_item->pp_children[0] );
 283     }
 284     vlc_object_release( p_playlist );
 285     return VLC_SUCCESS;
 286 #endif
 287 }
 288
 289 static int Control( demux_t *p_demux, int i_query, va_list args )
 290 {
 291     return VLC_EGENERIC;
 292 }