/*****************************************************************************
* sort.c : Playlist sorting functions
*****************************************************************************
- * Copyright (C) 1999-2001 VideoLAN
- * $Id: sort.c,v 1.2 2003/11/26 10:45:21 zorglub Exp $
+ * Copyright (C) 1999-2004 the VideoLAN team
+ * $Id$
*
- * Authors: Clément Stenac <zorglub@videolan.org>
+ * Authors: Clément Stenac <zorglub@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include <stdlib.h> /* free(), strtol() */
#include <stdio.h> /* sprintf() */
#include <string.h> /* strerror() */
#include <vlc/vlc.h>
+#include <vlc/input.h>
#include <vlc/vout.h>
#include <vlc/sout.h>
#include "vlc_playlist.h"
+
+int playlist_ItemArraySort( playlist_t *p_playlist, int i_items,
+ playlist_item_t **pp_items, int i_mode,
+ int i_type );
+
+
/**
- * Sort the playlist
+ * Sort the playlist.
* \param p_playlist the playlist
- * \param i_mode: SORT_TITLE, SORT_GROUP, SORT_AUTHOR, SORT_RANDOM
- * \param i_type: SORT_NORMAL or SORT_REVERSE (reversed order)
- * \return 0 on success
+ * \param i_mode: SORT_ID, SORT_TITLE, SORT_AUTHOR, SORT_ALBUM, SORT_RANDOM
+ * \param i_type: ORDER_NORMAL or ORDER_REVERSE (reversed order)
+ * \return VLC_SUCCESS on success
*/
int playlist_Sort( playlist_t * p_playlist , int i_mode, int i_type )
{
- int i , i_small , i_position;
- playlist_item_t *p_temp;
+ int i_id = -1;
+ vlc_value_t val;
+ val.b_bool = VLC_TRUE;
vlc_mutex_lock( &p_playlist->object_lock );
- if( i_mode == SORT_RANDOM )
+ p_playlist->i_sort = i_mode;
+ p_playlist->i_order = i_type;
+
+ if( p_playlist->i_index >= 0 )
+ {
+ i_id = p_playlist->pp_items[p_playlist->i_index]->input.i_id;
+ }
+
+ playlist_ItemArraySort( p_playlist, p_playlist->i_size,
+ p_playlist->pp_items, i_mode, i_type );
+
+ if( i_id != -1 )
+ {
+ p_playlist->i_index = playlist_GetPositionById( p_playlist, i_id );
+ }
+
+ /* ensure we are in no-view mode */
+ p_playlist->status.i_view = -1;
+
+ vlc_mutex_unlock( &p_playlist->object_lock );
+
+ /* Notify the interfaces */
+ var_Set( p_playlist, "intf-change", val );
+
+ return VLC_SUCCESS;
+}
+
+/**
+ * Sort a node.
+ *
+ * This function must be entered with the playlist lock !
+ *
+ * \param p_playlist the playlist
+ * \param p_node the node to sort
+ * \param i_mode: SORT_ID, SORT_TITLE, SORT_AUTHOR, SORT_ALBUM, SORT_RANDOM
+ * \param i_type: ORDER_NORMAL or ORDER_REVERSE (reversed order)
+ * \return VLC_SUCCESS on success
+ */
+int playlist_NodeSort( playlist_t * p_playlist , playlist_item_t *p_node,
+ int i_mode, int i_type )
+{
+
+ playlist_ItemArraySort( p_playlist,p_node->i_children,
+ p_node->pp_children, i_mode, i_type );
+
+ p_node->i_serial++;
+
+ return VLC_SUCCESS;
+}
+
+/**
+ *
+ * Sort a node recursively.
+ *
+ * This function must be entered with the playlist lock !
+ *
+ * \param p_playlist the playlist
+ * \param p_node the node to sort
+ * \param i_mode: SORT_ID, SORT_TITLE, SORT_AUTHOR, SORT_ALBUM, SORT_RANDOM
+ * \param i_type: ORDER_NORMAL or ORDER_REVERSE (reversed order)
+ * \return VLC_SUCCESS on success
+ */
+int playlist_RecursiveNodeSort( playlist_t *p_playlist, playlist_item_t *p_node,
+ int i_mode, int i_type )
+{
+ int i;
+
+ playlist_NodeSort( p_playlist, p_node, i_mode, i_type );
+ for( i = 0 ; i< p_node->i_children; i++ )
{
- for( i_position = 0; i_position < p_playlist->i_size ; i_position ++ )
+ if( p_node->pp_children[i]->i_children != -1 )
{
- int i_new = rand() % (p_playlist->i_size - 1);
+ playlist_RecursiveNodeSort( p_playlist, p_node->pp_children[i],
+ i_mode,i_type );
+ }
+ }
+
+ return VLC_SUCCESS;
- /* Keep the correct current index */
- if( i_new == p_playlist->i_index )
- p_playlist->i_index = i_position;
- else if( i_position == p_playlist->i_index )
- p_playlist->i_index = i_new;
+}
+
+
+int playlist_ItemArraySort( playlist_t *p_playlist, int i_items,
+ playlist_item_t **pp_items, int i_mode,
+ int i_type )
+{
+ int i , i_small , i_position;
+ playlist_item_t *p_temp;
+ vlc_value_t val;
+ val.b_bool = VLC_TRUE;
- p_temp = p_playlist->pp_items[i_position];
- p_playlist->pp_items[i_position] = p_playlist->pp_items[i_new];
- p_playlist->pp_items[i_new] = p_temp;
+ if( i_mode == SORT_RANDOM )
+ {
+ for( i_position = 0; i_position < i_items ; i_position ++ )
+ {
+ int i_new;
+
+ if( i_items > 1 )
+ i_new = rand() % (i_items - 1);
+ else
+ i_new = 0;
+ p_temp = pp_items[i_position];
+ pp_items[i_position] = pp_items[i_new];
+ pp_items[i_new] = p_temp;
}
- vlc_mutex_unlock( &p_playlist->object_lock );
- return 0;
+ return VLC_SUCCESS;
}
- for( i_position = 0; i_position < p_playlist->i_size -1 ; i_position ++ )
+ for( i_position = 0; i_position < i_items -1 ; i_position ++ )
{
i_small = i_position;
- for( i = i_position + 1 ; i< p_playlist->i_size ; i++)
+ for( i = i_position + 1 ; i< i_items ; i++)
{
int i_test = 0;
if( i_mode == SORT_TITLE )
{
- i_test = strcasecmp( p_playlist->pp_items[i]->psz_name,
- p_playlist->pp_items[i_small]->psz_name );
+ i_test = strcasecmp( pp_items[i]->input.psz_name,
+ pp_items[i_small]->input.psz_name );
}
- else if( i_mode == SORT_GROUP )
+ else if( i_mode == SORT_TITLE_NUMERIC )
{
- i_test = p_playlist->pp_items[i]->i_group -
- p_playlist->pp_items[i_small]->i_group;
+ i_test = atoi( pp_items[i]->input.psz_name ) -
+ atoi( pp_items[i_small]->input.psz_name );
+ }
+ else if( i_mode == SORT_DURATION )
+ {
+ i_test = pp_items[i]->input.i_duration -
+ pp_items[i_small]->input.i_duration;
}
else if( i_mode == SORT_AUTHOR )
{
- i_test = strcasecmp( p_playlist->pp_items[i]->psz_author,
- p_playlist->pp_items[i_small]->psz_author );
+ char *psz_a = vlc_input_item_GetInfo(
+ &pp_items[i]->input,
+ _(VLC_META_INFO_CAT), _(VLC_META_ARTIST) );
+ char *psz_b = vlc_input_item_GetInfo(
+ &pp_items[i_small]->input,
+ _(VLC_META_INFO_CAT), _(VLC_META_ARTIST) );
+ if( pp_items[i]->i_children == -1 &&
+ pp_items[i_small]->i_children >= 0 )
+ {
+ i_test = 1;
+ }
+ else if( pp_items[i]->i_children >= 0 &&
+ pp_items[i_small]->i_children == -1 )
+ {
+ i_test = -1;
+ }
+ // both are nodes
+ else if( pp_items[i]->i_children >= 0 &&
+ pp_items[i_small]->i_children >= 0 )
+ {
+ i_test = strcasecmp( pp_items[i]->input.psz_name,
+ pp_items[i_small]->input.psz_name );
+ }
+ else if( psz_a == NULL && psz_b != NULL )
+ {
+ i_test = 1;
+ }
+ else if( psz_a != NULL && psz_b == NULL )
+ {
+ i_test = -1;
+ }
+ else if( psz_a == NULL && psz_b == NULL )
+ {
+ i_test = strcasecmp( pp_items[i]->input.psz_name,
+ pp_items[i_small]->input.psz_name );
+ }
+ else
+ {
+ i_test = strcmp( psz_b, psz_a );
+ }
}
+ else if( i_mode == SORT_ALBUM )
+ {
+ char *psz_a = vlc_input_item_GetInfo(
+ &pp_items[i]->input,
+ _(VLC_META_INFO_CAT), _(VLC_META_COLLECTION) );
+ char *psz_b = vlc_input_item_GetInfo(
+ &pp_items[i_small]->input,
+ _(VLC_META_INFO_CAT), _(VLC_META_COLLECTION) );
+ if( pp_items[i]->i_children == -1 &&
+ pp_items[i_small]->i_children >= 0 )
+ {
+ i_test = 1;
+ }
+ else if( pp_items[i]->i_children >= 0 &&
+ pp_items[i_small]->i_children == -1 )
+ {
+ i_test = -1;
+ }
+ // both are nodes
+ else if( pp_items[i]->i_children >= 0 &&
+ pp_items[i_small]->i_children >= 0 )
+ {
+ i_test = strcasecmp( pp_items[i]->input.psz_name,
+ pp_items[i_small]->input.psz_name );
+ }
+ else if( psz_a == NULL && psz_b != NULL )
+ {
+ i_test = 1;
+ }
+ else if( psz_a != NULL && psz_b == NULL )
+ {
+ i_test = -1;
+ }
+ else if( psz_a == NULL && psz_b == NULL )
+ {
+ i_test = strcasecmp( pp_items[i]->input.psz_name,
+ pp_items[i_small]->input.psz_name );
+ }
+ else
+ {
+ i_test = strcmp( psz_b, psz_a );
+ }
+ }
+ else if( i_mode == SORT_TITLE_NODES_FIRST )
+ {
+ /* Alphabetic sort, all nodes first */
- if( ( i_type == SORT_NORMAL && i_test < 0 ) ||
- ( i_type == SORT_REVERSE && i_test > 0 ) )
+ if( pp_items[i]->i_children == -1 &&
+ pp_items[i_small]->i_children >= 0 )
+ {
+ i_test = 1;
+ }
+ else if( pp_items[i]->i_children >= 0 &&
+ pp_items[i_small]->i_children == -1 )
+ {
+ i_test = -1;
+ }
+ else
+ {
+ i_test = strcasecmp( pp_items[i]->input.psz_name,
+ pp_items[i_small]->input.psz_name );
+ }
+ }
+
+ if( ( i_type == ORDER_NORMAL && i_test < 0 ) ||
+ ( i_type == ORDER_REVERSE && i_test > 0 ) )
{
i_small = i;
}
}
- /* Keep the correct current index */
- if( i_small == p_playlist->i_index )
- p_playlist->i_index = i_position;
- else if( i_position == p_playlist->i_index )
- p_playlist->i_index = i_small;
-
- p_temp = p_playlist->pp_items[i_position];
- p_playlist->pp_items[i_position] = p_playlist->pp_items[i_small];
- p_playlist->pp_items[i_small] = p_temp;
+ p_temp = pp_items[i_position];
+ pp_items[i_position] = pp_items[i_small];
+ pp_items[i_small] = p_temp;
}
- vlc_mutex_unlock( &p_playlist->object_lock );
+ return VLC_SUCCESS;
+}
+
+
+int playlist_NodeGroup( playlist_t * p_playlist , int i_view,
+ playlist_item_t *p_root,
+ playlist_item_t **pp_items,int i_item,
+ int i_mode, int i_type )
+{
+ char *psz_search = NULL;
+ int i_nodes = 0;
+ playlist_item_t **pp_nodes = NULL;
+ playlist_item_t *p_node;
+ vlc_bool_t b_found;
+ int i,j;
+ for( i = 0; i< i_item ; i++ )
+ {
+ if( psz_search ) free( psz_search );
+ if( i_mode == SORT_TITLE )
+ {
+ psz_search = strdup( pp_items[i]->input.psz_name );
+ }
+ else if ( i_mode == SORT_AUTHOR )
+ {
+ psz_search = vlc_input_item_GetInfo( &pp_items[i]->input,
+ _(VLC_META_INFO_CAT), _(VLC_META_ARTIST) );
+ }
+ else if ( i_mode == SORT_ALBUM )
+ {
+ psz_search = vlc_input_item_GetInfo( &pp_items[i]->input,
+ _(VLC_META_INFO_CAT), _(VLC_META_COLLECTION) );
+ }
+ else if ( i_mode == SORT_GENRE )
+ {
+ psz_search = vlc_input_item_GetInfo( &pp_items[i]->input,
+ _(VLC_META_INFO_CAT), _(VLC_META_GENRE) );
+ }
+
+ if( psz_search && !strcmp( psz_search, "" ) )
+ {
+ free( psz_search );
+ psz_search = strdup( _("Undefined") );
+ }
- return 0;
+ b_found = VLC_FALSE;
+ for( j = 0 ; j< i_nodes; j++ )
+ {
+ if( !strcasecmp( psz_search, pp_nodes[j]->input.psz_name ) )
+ {
+ playlist_NodeAppend( p_playlist, i_view,
+ pp_items[i], pp_nodes[j] );
+ b_found = VLC_TRUE;
+ break;
+ }
+ }
+ if( !b_found )
+ {
+ p_node = playlist_NodeCreate( p_playlist, i_view,psz_search,
+ NULL );
+ INSERT_ELEM( pp_nodes, i_nodes, i_nodes, p_node );
+ playlist_NodeAppend( p_playlist, i_view,
+ pp_items[i],p_node );
+ }
+ }
+
+ /* Now, sort the nodes by name */
+ playlist_ItemArraySort( p_playlist, i_nodes, pp_nodes, SORT_TITLE,
+ i_type );
+
+ /* Now, sort each node and append it to the root node*/
+ for( i = 0 ; i< i_nodes ; i++ )
+ {
+ playlist_ItemArraySort( p_playlist, pp_nodes[i]->i_children,
+ pp_nodes[i]->pp_children, SORT_TITLE, i_type );
+
+ playlist_NodeAppend( p_playlist, i_view,
+ pp_nodes[i], p_root );
+ }
+ return VLC_SUCCESS;
}