/*****************************************************************************
* sort.c : Playlist sorting functions
*****************************************************************************
- * Copyright (C) 1999-2001 VideoLAN
- * $Id: sort.c,v 1.1 2003/10/29 18:00:46 zorglub Exp $
+ * Copyright (C) 1999-2007 the VideoLAN team
+ * $Id$
*
- * Authors: Clément Stenac <zorglub@videolan.org>
+ * Authors: Clément Stenac <zorglub@videolan.org>
+ * Ilkka Ollakka <ileoo@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/vout.h>
-#include <vlc/sout.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <vlc_common.h>
#include "vlc_playlist.h"
+#include "playlist_internal.h"
+
+
+static int playlist_ItemArraySort( playlist_t *p_playlist, int i_items,
+ playlist_item_t **pp_items, int i_mode,
+ int i_type );
+static int playlist_cmp(const void *, const void *);
/**
- * Sort the playlist by title
+ * Sort a node.
+ * This function must be entered with the playlist lock !
+ *
* \param p_playlist the playlist
- * \param i_type: SORT_NORMAL or SORT_REVERSE (reversed order)
- * \return 0 on success
+ * \param p_node the node to sort
+ * \param i_mode: SORT_ID, SORT_TITLE, SORT_ARTIST, SORT_ALBUM, SORT_RANDOM
+ * \param i_type: ORDER_NORMAL or ORDER_REVERSE (reversed order)
+ * \return VLC_SUCCESS on success
*/
-int playlist_SortTitle( playlist_t * p_playlist , int i_type )
+static int playlist_NodeSort( playlist_t * p_playlist , playlist_item_t *p_node,
+ int i_mode, int i_type )
{
- int i , i_small , i_position;
- playlist_item_t *p_temp;
-
- vlc_mutex_lock( &p_playlist->object_lock );
+ playlist_ItemArraySort( p_playlist,p_node->i_children,
+ p_node->pp_children, i_mode, i_type );
+ return VLC_SUCCESS;
+}
- for( i_position = 0; i_position < p_playlist->i_size -1 ; i_position ++ )
+/**
+ * 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_ARTIST, 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++ )
{
- i_small = i_position;
- for( i = i_position + 1 ; i< p_playlist->i_size ; i++)
+ if( p_node->pp_children[i]->i_children != -1 )
{
- int i_test;
-
- i_test = strcasecmp( p_playlist->pp_items[i]->psz_name,
- p_playlist->pp_items[i_small]->psz_name );
-
- if( ( i_type == SORT_NORMAL && i_test < 0 ) ||
- ( i_type == SORT_REVERSE && i_test > 0 ) )
- {
- i_small = i;
- }
+ playlist_RecursiveNodeSort( p_playlist, p_node->pp_children[i],
+ i_mode,i_type );
}
- /* 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;
}
- vlc_mutex_unlock( &p_playlist->object_lock );
-
- return 0;
+ return VLC_SUCCESS;
}
-/**
- * Sort the playlist by author
- * \param p_playlist the playlist
- * \param i_type: SORT_NORMAL or SORT_REVERSE (reversed order)
- * \return 0 on success
- */
-int playlist_SortAuthor( playlist_t * p_playlist , int i_type )
+static int sort_mode = 0;
+static int sort_type = 0;
+
+static 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;
+ int i_position;
playlist_item_t *p_temp;
+ vlc_value_t val;
+ val.b_bool = true;
+ sort_mode = i_mode;
+ sort_type = i_type;
- vlc_mutex_lock( &p_playlist->object_lock );
+ (void)p_playlist; // a bit surprising we don't need p_playlist!
- for( i_position = 0; i_position < p_playlist->i_size -1 ; i_position ++ )
+ if( i_mode == SORT_RANDOM )
{
- i_small = i_position;
- for( i = i_position + 1 ; i< p_playlist->i_size ; i++)
+ for( i_position = 0; i_position < i_items ; i_position ++ )
{
- int i_test;
-
- i_test = strcasecmp( p_playlist->pp_items[i]->psz_author,
- p_playlist->pp_items[i_small]->psz_author );
-
- if( ( i_type == SORT_NORMAL && i_test < 0 ) ||
- ( i_type == SORT_REVERSE && i_test > 0 ) )
- {
- i_small = i;
- }
+ 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;
}
- /* 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;
- }
- vlc_mutex_unlock( &p_playlist->object_lock );
- return 0;
+ return VLC_SUCCESS;
+ }
+ qsort(pp_items,i_items,sizeof(pp_items[0]),playlist_cmp);
+ return VLC_SUCCESS;
}
-int playlist_SortGroup( playlist_t * p_playlist , int i_type )
+static int playlist_cmp(const void *first, const void *second)
{
- int i , i_small , i_position;
- playlist_item_t *p_temp;
- vlc_mutex_lock( &p_playlist->object_lock );
+#define META_STRCASECMP_NAME( ) { \
+ char *psz_i = input_item_GetName( (*(playlist_item_t **)first)->p_input ); \
+ char *psz_ismall = input_item_GetName( (*(playlist_item_t **)second)->p_input ); \
+ i_test = strcasecmp( psz_i, psz_ismall ); \
+ free( psz_i ); \
+ free( psz_ismall ); \
+}
- for( i_position = 0; i_position < p_playlist->i_size -1 ; i_position ++ )
- {
- i_small = i_position;
- for( i = i_position + 1 ; i< p_playlist->i_size ; i++)
- {
- int i_test;
- i_test = p_playlist->pp_items[i]->i_group -
- p_playlist->pp_items[i_small]->i_group;
+#define DO_META_SORT_ADV( node, integer ) { \
+ char *psz_a = input_item_GetMeta( (*(playlist_item_t **)first)->p_input, vlc_meta_##node ); \
+ char *psz_b = input_item_GetMeta( (*(playlist_item_t **)second)->p_input, vlc_meta_##node ); \
+ /* Nodes go first */ \
+ if( (*(playlist_item_t **)first)->i_children == -1 && (*(playlist_item_t **)second)->i_children >= 0 ) \
+ i_test = 1;\
+ else if( (*(playlist_item_t **)first)->i_children >= 0 &&\
+ (*(playlist_item_t **)second)->i_children == -1 ) \
+ i_test = -1; \
+ /* Both are nodes, sort by name */ \
+ else if( (*(playlist_item_t **)first)->i_children >= 0 && \
+ (*(playlist_item_t **)second)->i_children >= 0 ) \
+ { \
+ META_STRCASECMP_NAME( ) \
+ } \
+ /* Both are items */ \
+ else if( psz_a == NULL && psz_b != NULL ) \
+ i_test = 1; \
+ else if( psz_a != NULL && psz_b == NULL ) \
+ i_test = -1;\
+ /* No meta, sort by name */ \
+ else if( psz_a == NULL && psz_b == NULL ) \
+ { \
+ META_STRCASECMP_NAME( ); \
+ } \
+ else \
+ { \
+ if( !integer ) i_test = strcmp( psz_a, psz_b ); \
+ else i_test = atoi( psz_a ) - atoi( psz_b ); \
+ } \
+ free( psz_a ); \
+ free( psz_b ); \
+}
+#define DO_META_SORT( node ) DO_META_SORT_ADV( node, false )
+
+ int i_test = 0;
+
+ if( sort_mode == SORT_TITLE )
+ {
+ META_STRCASECMP_NAME( );
+ }
+ else if( sort_mode == SORT_TITLE_NUMERIC )
+ {
+ char *psz_i = input_item_GetName( (*(playlist_item_t **)first)->p_input );
+ char *psz_ismall =
+ input_item_GetName( (*(playlist_item_t **)second)->p_input );
+ i_test = atoi( psz_i ) - atoi( psz_ismall );
+ free( psz_i );
+ free( psz_ismall );
+ }
+ else if( sort_mode == SORT_DURATION )
+ {
+ i_test = input_item_GetDuration( (*(playlist_item_t **)first)->p_input ) -
+ input_item_GetDuration( (*(playlist_item_t **)second)->p_input );
+ }
+ else if( sort_mode == SORT_ARTIST )
+ {
+ DO_META_SORT( Artist );
+ /* sort by artist, album, tracknumber */
+ if( i_test == 0 )
+ DO_META_SORT( Album );
+ if( i_test == 0 )
+ DO_META_SORT_ADV( TrackNumber, true );
+ }
+ else if( sort_mode == SORT_GENRE )
+ {
+ DO_META_SORT( Genre );
+ }
+ else if( sort_mode == SORT_ALBUM )
+ {
+ DO_META_SORT( Album );
+ /* Sort by tracknumber if albums are the same */
+ if( i_test == 0 )
+ DO_META_SORT_ADV( TrackNumber, true );
+ }
+ else if( sort_mode == SORT_TRACK_NUMBER )
+ {
+ DO_META_SORT_ADV( TrackNumber, true );
+ }
+ else if( sort_mode == SORT_DESCRIPTION )
+ {
+ DO_META_SORT( Description );
+ }
+ else if( sort_mode == SORT_ID )
+ {
+ i_test = (*(playlist_item_t **)first)->i_id - (*(playlist_item_t **)second)->i_id;
+ }
+ else if( sort_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 ) )
- {
- i_small = i;
- }
+ if( (*(playlist_item_t **)first)->i_children == -1 &&
+ (*(playlist_item_t **)second)->i_children >= 0 )
+ {
+ i_test = 1;
+ }
+ else if( (*(playlist_item_t **)first)->i_children >= 0 &&
+ (*(playlist_item_t **)second)->i_children == -1 )
+ {
+ i_test = -1;
+ }
+ else
+ {
+ i_test = strcasecmp( (*(playlist_item_t **)first)->p_input->psz_name,
+ (*(playlist_item_t **)second)->p_input->psz_name );
}
- /* 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;
}
- vlc_mutex_unlock( &p_playlist->object_lock );
- return 0;
+ if ( sort_type == ORDER_REVERSE )
+ i_test = i_test * -1;
+#undef DO_META_SORT
+#undef DO_META_SORT_ADV
+
+ return i_test;
}
projects / vlc / blobdiff