]> git.sesse.net Git - vlc/blobdiff - src/playlist/playlist.c
* src/playlist/playlist.c:
[vlc] / src / playlist / playlist.c
index d048e45c26779f43e571aee11fc210cb44bf034b..0e6f99837f3cc7562efddfc2690e5a1533c7cd27 100644 (file)
@@ -2,7 +2,7 @@
  * playlist.c : Playlist management functions
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: playlist.c,v 1.21 2002/11/13 20:51:05 sam Exp $
+ * $Id: playlist.c,v 1.32 2003/02/13 00:09:51 hartman Exp $
  *
  * Authors: Samuel Hocevar <sam@zoy.org>
  *
 
 #include "vlc_playlist.h"
 
-#define PLAYLIST_STOPPED 0
-#define PLAYLIST_RUNNING 1
+#define PLAYLIST_FILE_HEADER_0_5  "# vlc playlist file version 0.5"
+#ifdef WIN32
+#   define PLAYLIST_FILE_EOL "\r\n"
+#else
+#   define PLAYLIST_FILE_EOL "\n"
+#endif
 
 /*****************************************************************************
  * Local prototypes
@@ -51,6 +55,7 @@ static void Poubellize ( playlist_t *, input_thread_t * );
 playlist_t * __playlist_Create ( vlc_object_t *p_parent )
 {
     playlist_t *p_playlist;
+    vlc_value_t     val;
 
     /* Allocate structure */
     p_playlist = vlc_object_create( p_parent, VLC_OBJECT_PLAYLIST );
@@ -60,6 +65,10 @@ playlist_t * __playlist_Create ( vlc_object_t *p_parent )
         return NULL;
     }
 
+    var_Create( p_playlist, "intf-change", VLC_VAR_BOOL );
+    val.b_bool = VLC_TRUE;
+    var_Set( p_playlist, "intf-change", val );
+
     p_playlist->p_input = NULL;
     p_playlist->i_status = PLAYLIST_STOPPED;
     p_playlist->i_index = -1;
@@ -91,6 +100,8 @@ void playlist_Destroy( playlist_t * p_playlist )
 
     vlc_thread_join( p_playlist );
 
+    var_Destroy( p_playlist, "intf-change" );
+
     vlc_object_destroy( p_playlist );
 }
 
@@ -103,11 +114,8 @@ void playlist_Destroy( playlist_t * p_playlist )
 int playlist_Add( playlist_t *p_playlist, const char * psz_target,
                                           int i_mode, int i_pos )
 {
-    playlist_item_t *p_item;
+    playlist_item_t * p_item;
 
-    msg_Dbg( p_playlist, "adding playlist item « %s »", psz_target );
-
-    /* Create the new playlist item */
     p_item = malloc( sizeof( playlist_item_t ) );
     if( p_item == NULL )
     {
@@ -115,12 +123,60 @@ int playlist_Add( playlist_t *p_playlist, const char * psz_target,
     }
 
     p_item->psz_name = strdup( psz_target );
+    p_item->psz_uri  = strdup( psz_target );
     p_item->i_type = 0;
     p_item->i_status = 0;
     p_item->b_autodeletion = VLC_FALSE;
 
+    return playlist_AddItem( p_playlist, p_item, i_mode, i_pos );
+}
+
+
+int playlist_AddItem( playlist_t *p_playlist, playlist_item_t * p_item,
+                int i_mode, int i_pos)
+{
+    vlc_value_t     val;
+
     vlc_mutex_lock( &p_playlist->object_lock );
 
+    /*
+     * CHECK_INSERT : checks if the item is already enqued before
+     * enqueing it
+     */
+    if ( i_mode & PLAYLIST_CHECK_INSERT )
+    {
+         int j;
+
+         if ( p_playlist->pp_items )
+         {
+             for ( j = 0; j < p_playlist->i_size; j++ )
+             {
+                 if ( !strcmp( p_playlist->pp_items[j]->psz_uri, p_item->psz_uri ) )
+                 {
+                      if( p_item->psz_name )
+                      {
+                          free( p_item->psz_name );
+                      }
+                      if( p_item->psz_uri )
+                      {
+                          free( p_item->psz_uri );
+                      }
+                      free( p_item );
+                      vlc_mutex_unlock( &p_playlist->object_lock );
+                      return 0;
+                 }
+             }
+         }
+         i_mode &= ~PLAYLIST_CHECK_INSERT;
+         i_mode |= PLAYLIST_APPEND;
+    }
+
+
+    msg_Dbg( p_playlist, "adding playlist item « %s »", p_item->psz_name );
+
+    /* Create the new playlist item */
+
+
     /* Do a few boundary checks and allocate space for the item */
     if( i_pos == PLAYLIST_END )
     {
@@ -164,7 +220,14 @@ int playlist_Add( playlist_t *p_playlist, const char * psz_target,
     else
     {
         /* i_mode == PLAYLIST_REPLACE and 0 <= i_pos < p_playlist->i_size */
-        free( p_playlist->pp_items[i_pos]->psz_name );
+        if( p_playlist->pp_items[i_pos]->psz_name )
+        {
+            free( p_playlist->pp_items[i_pos]->psz_name );
+        }
+        if( p_playlist->pp_items[i_pos]->psz_uri )
+        {
+            free( p_playlist->pp_items[i_pos]->psz_uri );
+        }
         /* XXX: what if the item is still in use? */
         free( p_playlist->pp_items[i_pos] );
         p_playlist->pp_items[i_pos] = p_item;
@@ -182,6 +245,9 @@ int playlist_Add( playlist_t *p_playlist, const char * psz_target,
 
     vlc_mutex_unlock( &p_playlist->object_lock );
 
+    val.b_bool = VLC_TRUE;
+    var_Set( p_playlist, "intf-change", val );
+
     return 0;
 }
 
@@ -192,6 +258,7 @@ int playlist_Add( playlist_t *p_playlist, const char * psz_target,
  *****************************************************************************/
 int playlist_Delete( playlist_t * p_playlist, int i_pos )
 {
+    vlc_value_t     val;
     vlc_mutex_lock( &p_playlist->object_lock );
 
     if( i_pos >= 0 && i_pos < p_playlist->i_size )
@@ -199,7 +266,15 @@ int playlist_Delete( playlist_t * p_playlist, int i_pos )
         msg_Dbg( p_playlist, "deleting playlist item « %s »",
                              p_playlist->pp_items[i_pos]->psz_name );
 
-        free( p_playlist->pp_items[i_pos]->psz_name );
+        if( p_playlist->pp_items[i_pos]->psz_name )
+        {
+            free( p_playlist->pp_items[i_pos]->psz_name );
+        }
+        if( p_playlist->pp_items[i_pos]->psz_uri )
+        {
+            free( p_playlist->pp_items[i_pos]->psz_uri );
+        }
+
         /* XXX: what if the item is still in use? */
         free( p_playlist->pp_items[i_pos] );
 
@@ -216,6 +291,9 @@ int playlist_Delete( playlist_t * p_playlist, int i_pos )
 
     vlc_mutex_unlock( &p_playlist->object_lock );
 
+    val.b_bool = VLC_TRUE;
+    var_Set( p_playlist, "intf-change", val );
+
     return 0;
 }
 
@@ -240,6 +318,18 @@ void playlist_Command( playlist_t * p_playlist, int i_command, int i_arg )
 
     case PLAYLIST_PLAY:
         p_playlist->i_status = PLAYLIST_RUNNING;
+        if( p_playlist->p_input )
+        {
+            input_SetStatus( p_playlist->p_input, INPUT_STATUS_PLAY );
+        }
+        break;
+
+    case PLAYLIST_PAUSE:
+        p_playlist->i_status = PLAYLIST_PAUSED;
+        if( p_playlist->p_input )
+        {
+            input_SetStatus( p_playlist->p_input, INPUT_STATUS_PAUSE );
+        }
         break;
 
     case PLAYLIST_SKIP:
@@ -305,15 +395,6 @@ static void RunThread ( playlist_t *p_playlist )
                  * in input_DestroyThread() for some time. */
                 vlc_mutex_unlock( &p_playlist->object_lock );
 
-                /* Check for autodeletion */
-                if( p_playlist->pp_items[p_playlist->i_index]->b_autodeletion )
-                {
-                    playlist_Delete( p_playlist, p_playlist->i_index );
-                }
-
-                /* Select the next playlist item */
-                SkipItem( p_playlist, 1 );
-
                 /* Destroy input */
                 input_DestroyThread( p_input );
                 vlc_object_destroy( p_input );
@@ -328,6 +409,17 @@ static void RunThread ( playlist_t *p_playlist )
             else if( p_playlist->p_input->b_error
                       || p_playlist->p_input->b_eof )
             {
+                /* Check for autodeletion */
+                if( p_playlist->pp_items[p_playlist->i_index]->b_autodeletion )
+                {
+                    vlc_mutex_unlock( &p_playlist->object_lock );
+                    playlist_Delete( p_playlist, p_playlist->i_index );
+                    vlc_mutex_lock( &p_playlist->object_lock );
+                }
+
+                /* Select the next playlist item */
+                SkipItem( p_playlist, 1 );
+
                 /* Release the playlist lock, because we may get stuck
                  * in input_StopThread() for some time. */
                 vlc_mutex_unlock( &p_playlist->object_lock );
@@ -472,7 +564,7 @@ static void PlayItem( playlist_t *p_playlist )
 
     msg_Dbg( p_playlist, "creating new input thread" );
     p_playlist->p_input = input_CreateThread( p_playlist,
-                p_playlist->pp_items[p_playlist->i_index], NULL );
+                                  p_playlist->pp_items[p_playlist->i_index] );
 }
 
 /*****************************************************************************
@@ -482,6 +574,125 @@ static void PlayItem( playlist_t *p_playlist )
  *****************************************************************************/
 static void Poubellize ( playlist_t *p_playlist, input_thread_t *p_input )
 {
-    
+    msg_Dbg( p_playlist, "poubellizing input %i\n", p_input->i_object_id );
+}
+
+/*****************************************************************************
+ * playlist_LoadFile: load a playlist file.
+ ****************************************************************************/
+int playlist_LoadFile( playlist_t * p_playlist, const char *psz_filename )
+{
+    FILE *file;
+    char line[1024];
+    int i_current_status;
+    int i;
+
+    msg_Dbg( p_playlist, "opening playlist file %s", psz_filename );
+
+    file = fopen( psz_filename, "rt" );
+    if( !file )
+    {
+        msg_Err( p_playlist, "playlist file %s does not exist", psz_filename );
+        return -1;
+    }
+    fseek( file, 0L, SEEK_SET );
+
+    /* check the file is not empty */
+    if ( ! fgets( line, 1024, file ) )
+    {
+        msg_Err( p_playlist, "playlist file %s is empty", psz_filename );
+        fclose( file );
+        return -1;
+    }
+
+    /* get rid of line feed */
+    if( line[strlen(line)-1] == '\n' || line[strlen(line)-1] == '\r' )
+    {
+       line[strlen(line)-1] = (char)0;
+       if( line[strlen(line)-1] == '\r' ) line[strlen(line)-1] = (char)0;
+    }
+    /* check the file format is valid */
+    if ( strcmp ( line , PLAYLIST_FILE_HEADER_0_5 ) )
+    {
+        msg_Err( p_playlist, "playlist file %s format is unsupported"
+                , psz_filename );
+        fclose( file );
+        return -1;
+    }
+
+    /* stop playing */
+    i_current_status = p_playlist->i_status;
+    if ( p_playlist->i_status != PLAYLIST_STOPPED )
+    {
+        playlist_Stop ( p_playlist );
+    }
+
+    /* delete current content of the playlist */
+    for( i = p_playlist->i_size - 1; i >= 0; i-- )
+    {
+        playlist_Delete ( p_playlist , i );
+    }
+
+    /* simply add each line */
+    while( fgets( line, 1024, file ) )
+    {
+       /* ignore comments or empty lines */
+       if( (line[0] == '#') || (line[0] == '\r') || (line[0] == '\n')
+               || (line[0] == (char)0) )
+           continue;
+
+       /* get rid of line feed */
+       if( line[strlen(line)-1] == '\n' || line[strlen(line)-1] == '\r' )
+       {
+           line[strlen(line)-1] = (char)0;
+           if( line[strlen(line)-1] == '\r' ) line[strlen(line)-1] = (char)0;
+       }
+
+       playlist_Add ( p_playlist , (char*) &line , PLAYLIST_APPEND , PLAYLIST_END );
+    }
+
+    /* start playing */
+    if ( i_current_status != PLAYLIST_STOPPED )
+    {
+        playlist_Play ( p_playlist );
+    }
+
+    fclose( file );
+
+    return 0;
 }
 
+/*****************************************************************************
+ * playlist_SaveFile: Save a playlist in a file.
+ *****************************************************************************/
+int playlist_SaveFile( playlist_t * p_playlist, const char * psz_filename )
+{
+    FILE *file;
+    int i;
+
+    vlc_mutex_lock( &p_playlist->object_lock );
+
+    msg_Dbg( p_playlist, "saving playlist file %s", psz_filename );
+
+    file = fopen( psz_filename, "wt" );
+    if( !file )
+    {
+        msg_Err( p_playlist , "could not create playlist file %s"
+                , psz_filename );
+        return -1;
+    }
+
+    fprintf( file , PLAYLIST_FILE_HEADER_0_5 PLAYLIST_FILE_EOL );
+
+    for ( i = 0 ; i < p_playlist->i_size ; i++ )
+    {
+        fprintf( file , p_playlist->pp_items[i]->psz_uri );
+        fprintf( file , PLAYLIST_FILE_EOL );
+    }
+
+    fclose( file );
+
+    vlc_mutex_unlock( &p_playlist->object_lock );
+
+    return 0;
+}