* playlist.c : Playlist management functions
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
- * $Id: playlist.c,v 1.13 2002/08/29 23:53:22 massiot Exp $
+ * $Id: playlist.c,v 1.34 2003/03/18 00:49:14 gbazin Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
#include <stdlib.h> /* free(), strtol() */
#include <stdio.h> /* sprintf() */
#include <string.h> /* strerror() */
-#include <errno.h> /* ENOMEM */
#include <vlc/vlc.h>
#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
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 );
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_RUNNING;
+ p_playlist->i_status = PLAYLIST_STOPPED;
p_playlist->i_index = -1;
p_playlist->i_size = 0;
p_playlist->pp_items = NULL;
vlc_thread_join( p_playlist );
+ var_Destroy( p_playlist, "intf-change" );
+
vlc_object_destroy( p_playlist );
}
int playlist_Add( playlist_t *p_playlist, const char * psz_target,
int i_mode, int i_pos )
{
- playlist_item_t *p_item;
-
- msg_Dbg( p_playlist, "adding playlist item « %s »", psz_target );
+ playlist_item_t * p_item;
- /* Create the new playlist item */
p_item = malloc( sizeof( playlist_item_t ) );
if( p_item == NULL )
{
}
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 )
{
if( !(i_mode & PLAYLIST_REPLACE)
|| i_pos < 0 || i_pos >= p_playlist->i_size )
{
- int i_index;
-
- p_playlist->i_size++;
- p_playlist->pp_items = realloc( p_playlist->pp_items,
- p_playlist->i_size * sizeof(void*) );
- if( p_playlist->pp_items == NULL )
- {
- msg_Err( p_playlist, "out of memory" );
- free( p_item->psz_name );
- free( p_item );
- vlc_mutex_unlock( &p_playlist->object_lock );
- return -1;
- }
-
/* Additional boundary checks */
if( i_mode & PLAYLIST_APPEND )
{
{
i_pos = 0;
}
- else if( i_pos > p_playlist->i_size - 1 )
+ else if( i_pos > p_playlist->i_size )
{
- i_pos = p_playlist->i_size - 1;
+ i_pos = p_playlist->i_size;
}
- /* Now we know exactly where it goes. Just renumber the playlist */
- for( i_index = p_playlist->i_size - 1; i_index > i_pos ; i_index-- )
- {
- p_playlist->pp_items[i_index] = p_playlist->pp_items[i_index - 1];
- }
+ INSERT_ELEM( p_playlist->pp_items,
+ p_playlist->i_size,
+ i_pos,
+ p_item );
if( p_playlist->i_index >= i_pos )
{
else
{
/* i_mode == PLAYLIST_REPLACE and 0 <= i_pos < p_playlist->i_size */
- free( p_playlist->pp_items[i_pos]->psz_name );
- free( p_playlist->pp_items[i_pos] );
+ 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;
}
- p_playlist->pp_items[i_pos] = p_item;
-
if( i_mode & PLAYLIST_GO )
{
p_playlist->i_index = i_pos;
vlc_mutex_unlock( &p_playlist->object_lock );
+ val.b_bool = VLC_TRUE;
+ var_Set( p_playlist, "intf-change", val );
+
return 0;
}
*****************************************************************************/
int playlist_Delete( playlist_t * p_playlist, int i_pos )
{
- int i_index;
-
+ vlc_value_t val;
vlc_mutex_lock( &p_playlist->object_lock );
if( i_pos >= 0 && i_pos < p_playlist->i_size )
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 );
- free( p_playlist->pp_items[i_pos] );
+ 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] );
- if( i_pos < p_playlist->i_index )
+ if( i_pos <= p_playlist->i_index )
{
p_playlist->i_index--;
}
/* Renumber the playlist */
- for( i_index = i_pos + 1; i_index < p_playlist->i_size; i_index++ )
+ REMOVE_ELEM( p_playlist->pp_items,
+ p_playlist->i_size,
+ i_pos );
+ }
+
+ vlc_mutex_unlock( &p_playlist->object_lock );
+
+ val.b_bool = VLC_TRUE;
+ var_Set( p_playlist, "intf-change", val );
+
+ return 0;
+}
+
+/*****************************************************************************
+ * playlist_Move: move an item in the playlist
+ *****************************************************************************
+ * Move the item in the playlist with position i_pos before the current item
+ * at position i_newpos.
+ *****************************************************************************/
+int playlist_Move( playlist_t * p_playlist, int i_pos, int i_newpos)
+{
+ vlc_value_t val;
+ vlc_mutex_lock( &p_playlist->object_lock );
+
+ /* take into account that our own row disappears. */
+ if ( i_pos < i_newpos ) i_newpos--;
+
+ if( i_pos >= 0 && i_newpos >=0 && i_pos <= p_playlist->i_size
+ && i_newpos <= p_playlist->i_size )
+ {
+ playlist_item_t * temp;
+
+ msg_Dbg( p_playlist, "moving playlist item « %s »",
+ p_playlist->pp_items[i_pos]->psz_name );
+
+ if( i_pos == p_playlist->i_index )
+ {
+ p_playlist->i_index = i_newpos;
+ }
+ else if( i_pos > p_playlist->i_index && i_newpos <= p_playlist->i_index )
{
- p_playlist->pp_items[i_index - 1] = p_playlist->pp_items[i_index];
+ p_playlist->i_index++;
+ }
+ else if( i_pos < p_playlist->i_index && i_newpos >= p_playlist->i_index )
+ {
+ p_playlist->i_index--;
}
- p_playlist->i_size--;
- if( p_playlist->i_size )
+ if ( i_pos < i_newpos )
{
- p_playlist->pp_items = realloc( p_playlist->pp_items,
- p_playlist->i_size * sizeof(void*) );
+ temp = p_playlist->pp_items[i_pos];
+ while ( i_pos < i_newpos )
+ {
+ p_playlist->pp_items[i_pos] = p_playlist->pp_items[i_pos+1];
+ i_pos++;
+ }
+ p_playlist->pp_items[i_newpos] = temp;
}
- else
+ else if ( i_pos > i_newpos )
{
- free( p_playlist->pp_items );
- p_playlist->pp_items = NULL;
+ temp = p_playlist->pp_items[i_pos];
+ while ( i_pos > i_newpos )
+ {
+ p_playlist->pp_items[i_pos] = p_playlist->pp_items[i_pos-1];
+ i_pos--;
+ }
+ p_playlist->pp_items[i_newpos] = temp;
}
}
vlc_mutex_unlock( &p_playlist->object_lock );
+ val.b_bool = VLC_TRUE;
+ var_Set( p_playlist, "intf-change", val );
+
return 0;
}
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:
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 );
/* Increment */
if( b_random )
{
- srand( mdate() );
+ srand( (unsigned int)mdate() );
/* Simple random stuff - we cheat a bit to minimize the chances to
* get the same index again. */
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] );
}
/*****************************************************************************
*****************************************************************************/
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;
+}