/*****************************************************************************
- * control.c : Hanle control of the playlist & running through it
+ * control.c : Handle control of the playlist & running through it
*****************************************************************************
* Copyright (C) 1999-2004 the VideoLAN team
* $Id: /local/vlc/0.8.6-playlist-vlm/src/playlist/playlist.c 13741 2006-03-21T19:29:39.792444Z zorglub $
#include <vlc/vlc.h>
#include <vlc/input.h>
#include "vlc_playlist.h"
+#include "playlist_internal.h"
#include <assert.h>
/*****************************************************************************
playlist_item_t *p_item, *p_node;
vlc_value_t val;
- if( p_playlist->i_size <= 0 )
- {
+ if( p_playlist->items.i_size <= 0 )
return VLC_EGENERIC;
- }
switch( i_query )
{
p_playlist->request.b_request = VLC_TRUE;
p_playlist->request.p_node = p_node;
p_playlist->request.p_item = p_item;
+ if( p_item && var_GetBool( p_playlist, "random" ) )
+ p_playlist->b_reset_currently_playing = VLC_TRUE;
break;
case PLAYLIST_PLAY:
return VLC_EBADVAR;
break;
}
+ vlc_cond_signal( &p_playlist->object_wait );
return VLC_SUCCESS;
}
p_playlist->p_preparse->i_waiting,
p_item );
vlc_mutex_unlock( &p_playlist->p_preparse->object_lock );
+ vlc_cond_signal( &p_playlist->p_preparse->object_wait );
return VLC_SUCCESS;
}
return VLC_SUCCESS;
}
+int playlist_AskForArtEnqueue( playlist_t *p_playlist,
+ input_item_t *p_item )
+{
+ int i;
+ preparse_item_t p;
+ p.p_item = p_item;
+ p.b_fetch_art = VLC_TRUE;
+
+ vlc_mutex_lock( &p_playlist->p_secondary_preparse->object_lock );
+ for( i = 0; i < p_playlist->p_secondary_preparse->i_waiting &&
+ p_playlist->p_secondary_preparse->p_waiting->b_fetch_art == VLC_TRUE;
+ i++ );
+ vlc_gc_incref( p_item );
+ INSERT_ELEM( p_playlist->p_secondary_preparse->p_waiting,
+ p_playlist->p_secondary_preparse->i_waiting,
+ i, p );
+ vlc_mutex_unlock( &p_playlist->p_secondary_preparse->object_lock );
+ vlc_cond_signal( &p_playlist->p_secondary_preparse->object_wait );
+ return VLC_SUCCESS;
+}
+
void PreparseEnqueueItemSub( playlist_t *p_playlist,
playlist_item_t *p_item )
{
{
for( i = 0; i < p_item->i_children; i++)
{
- PreparseEnqueueItemSub( p_playlist,
- p_item->pp_children[i] );
+ PreparseEnqueueItemSub( p_playlist, p_item->pp_children[i] );
}
}
}
* Playback logic
*****************************************************************************/
+static void ResyncCurrentIndex(playlist_t *p_playlist, playlist_item_t *p_cur )
+{
+ PL_DEBUG("resyncing on %s", PLI_NAME(p_cur) );
+ /* Simply resync index */
+ int i;
+ p_playlist->i_current_index = -1;
+ for( i = 0 ; i< p_playlist->current.i_size; i++ )
+ {
+ if( ARRAY_VAL(p_playlist->current, i) == p_cur )
+ {
+ p_playlist->i_current_index = i;
+ break;
+ }
+ }
+ PL_DEBUG("%s is at %i", PLI_NAME(p_cur), p_playlist->i_current_index );
+}
+
+static void ResetCurrentlyPlaying( playlist_t *p_playlist, vlc_bool_t b_random,
+ playlist_item_t *p_cur )
+{
+ playlist_item_t *p_next = NULL;
+ PL_DEBUG("rebuilding array of current - root %s",
+ PLI_NAME(p_playlist->status.p_node) );
+ ARRAY_RESET(p_playlist->current);
+ p_playlist->i_current_index = -1;
+ while( 1 )
+ {
+ /** FIXME: this is *slow* */
+ p_next = playlist_GetNextLeaf( p_playlist,
+ p_playlist->status.p_node,
+ p_next, VLC_TRUE, VLC_FALSE );
+ if( p_next )
+ {
+ if( p_next == p_cur )
+ p_playlist->i_current_index = p_playlist->current.i_size;
+ ARRAY_APPEND( p_playlist->current, p_next);
+ }
+ else break;
+ }
+ PL_DEBUG("rebuild done - %i items, index %i", p_playlist->current.i_size,
+ p_playlist->i_current_index);
+ if( b_random )
+ {
+ /* Shuffle the array */
+ srand( (unsigned int)mdate() );
+ int swap = 0;
+ int j;
+ for( j = p_playlist->current.i_size - 1; j > 0; j-- )
+ {
+ swap++;
+ int i = rand() % (j+1); /* between 0 and j */
+ playlist_item_t *p_tmp;
+ p_tmp = ARRAY_VAL(p_playlist->current, i);
+ ARRAY_VAL(p_playlist->current,i) = ARRAY_VAL(p_playlist->current,j);
+ ARRAY_VAL(p_playlist->current,j) = p_tmp;
+ }
+ }
+ p_playlist->b_reset_currently_playing = VLC_FALSE;
+}
+
/** This function calculates the next playlist item, depending
* on the playlist course mode (forward, backward, random, view,...). */
playlist_item_t * playlist_NextItem( playlist_t *p_playlist )
/* Handle quickly a few special cases */
/* No items to play */
- if( p_playlist->i_size == 0 )
+ if( p_playlist->items.i_size == 0 )
{
msg_Info( p_playlist, "playlist is empty" );
return NULL;
return NULL;
}
- if( !p_playlist->request.b_request && p_playlist->status.p_item &&
- p_playlist->status.p_item->i_flags & PLAYLIST_SKIP_FLAG )
- {
- msg_Dbg( p_playlist, "blocking item, stopping") ;
- return NULL;
- }
-
- /* Random case. This is an exception: if request, but request is skip +- 1
- * we don't go to next item but select a new random one. */
- if( b_random )
- msg_Err( p_playlist, "random unsupported" );
-#if 0
- &&
- ( !p_playlist->request.b_request ||
- ( p_playlist->request.b_request && ( p_playlist->request.p_item == NULL ||
- p_playlist->request.i_skip == 1 || p_playlist->request.i_skip == -1 ) ) ) )
+ if( !p_playlist->request.b_request && p_playlist->status.p_item )
{
- /* how many items to choose from ? */
- i_count = 0;
- for ( i = 0; i < p_playlist->i_size; i++ )
+ playlist_item_t *p_parent = p_playlist->status.p_item;
+ while( p_parent )
{
- if ( p_playlist->pp_items[i]->p_input->i_nb_played == 0 )
- i_count++;
- }
- /* Nothing left? */
- if ( i_count == 0 )
- {
- /* Don't loop? Exit! */
- if( !b_loop )
- return NULL;
- /* Otherwise reset the counter */
- for ( i = 0; i < p_playlist->i_size; i++ )
+ if( p_parent->i_flags & PLAYLIST_SKIP_FLAG )
{
- p_playlist->pp_items[i]->p_input->i_nb_played = 0;
+ msg_Dbg( p_playlist, "blocking item, stopping") ;
+ return NULL;
}
- i_count = p_playlist->i_size;
- }
- srand( (unsigned int)mdate() );
- i = rand() % i_count + 1 ;
- /* loop thru the list and count down the unplayed items to the selected one */
- for ( i_new = 0; i_new < p_playlist->i_size && i > 0; i_new++ )
- {
- if ( p_playlist->pp_items[i_new]->p_input->i_nb_played == 0 )
- i--;
+ p_parent = p_parent->p_parent;
}
- i_new--;
-
- p_playlist->request.i_skip = 0;
- p_playlist->request.b_request = VLC_FALSE;
- return p_playlist->pp_items[i_new];
}
-#endif
/* Start the real work */
if( p_playlist->request.b_request )
{
- PL_DEBUG( "processing request node %s item %s skip %i",
- PLI_NAME( p_playlist->request.p_item ),
- PLI_NAME( p_playlist->request.p_node ), i_skip );
p_new = p_playlist->request.p_item;
i_skip = p_playlist->request.i_skip;
+ PL_DEBUG( "processing request item %s node %s skip %i",
+ PLI_NAME( p_playlist->request.p_item ),
+ PLI_NAME( p_playlist->request.p_node ), i_skip );
- if( p_playlist->request.p_node )
+ if( p_playlist->request.p_node &&
+ p_playlist->request.p_node != p_playlist->status.p_node )
+ {
p_playlist->status.p_node = p_playlist->request.p_node;
+ p_playlist->b_reset_currently_playing = VLC_TRUE;
+ }
/* If we are asked for a node, dont take it */
if( i_skip == 0 && ( p_new == NULL || p_new->i_children != -1 ) )
i_skip++;
- if( i_skip > 0 )
+ if( p_playlist->b_reset_currently_playing )
+ ResetCurrentlyPlaying( p_playlist, b_random, p_new );
+ else if( p_new )
+ ResyncCurrentIndex( p_playlist, p_new );
+ else
+ p_playlist->i_current_index = -1;
+
+ if( p_playlist->current.i_size && i_skip > 0 )
{
for( i = i_skip; i > 0 ; i-- )
{
- p_new = playlist_GetNextEnabledLeaf( p_playlist,
- p_playlist->request.p_node,
- p_new );
- if( p_new == NULL )
+ p_playlist->i_current_index++;
+ if( p_playlist->i_current_index == p_playlist->current.i_size )
{
PL_DEBUG( "looping - restarting at beginning of node" );
- p_new = playlist_GetNextLeaf( p_playlist,
- p_playlist->request.p_node,
- NULL );
- if( p_new == NULL ) break;
+ p_playlist->i_current_index = 0;
}
}
+ p_new = ARRAY_VAL( p_playlist->current,
+ p_playlist->i_current_index );
}
- else if( i_skip < 0 )
+ else if( p_playlist->current.i_size && i_skip < 0 )
{
for( i = i_skip; i < 0 ; i++ )
{
- p_new = playlist_GetPrevLeaf( p_playlist,
- p_playlist->request.p_node,
- p_new );
- if( p_new == NULL )
+ p_playlist->i_current_index--;
+ if( p_playlist->i_current_index == -1 )
{
PL_DEBUG( "looping - restarting at end of node" );
- /** \bug This is needed because GetPrevLeaf does not loop
- * by itself */
- p_new = playlist_GetLastLeaf( p_playlist,
- p_playlist->request.p_node );
+ p_playlist->i_current_index = p_playlist->current.i_size-1;
}
- if( p_new == NULL ) break;
}
+ p_new = ARRAY_VAL( p_playlist->current,
+ p_playlist->i_current_index );
}
/* Clear the request */
p_playlist->request.b_request = VLC_FALSE;
/* "Automatic" item change ( next ) */
else
{
- PL_DEBUG( "changing item without a request" );
+ PL_DEBUG( "changing item without a request (current %i/%i)",
+ p_playlist->i_current_index, p_playlist->current.i_size );
/* Cant go to next from current item */
if( p_playlist->status.p_item &&
p_playlist->status.p_item->i_flags & PLAYLIST_SKIP_FLAG )
return NULL;
- p_new = playlist_GetNextLeaf( p_playlist,
- p_playlist->status.p_node,
- p_playlist->status.p_item );
- if( p_new == NULL && b_loop )
+ if( p_playlist->b_reset_currently_playing )
+ ResetCurrentlyPlaying( p_playlist, b_random,
+ p_playlist->status.p_item );
+
+ p_playlist->i_current_index++;
+ if( p_playlist->i_current_index == p_playlist->current.i_size )
{
- PL_DEBUG( "looping" );
- p_new = playlist_GetNextLeaf( p_playlist,
- p_playlist->status.p_node,
- NULL );
+ if( !b_loop || p_playlist->current.i_size == 0 ) return NULL;
+ p_playlist->i_current_index = 0;
}
+ PL_DEBUG( "using item %i", p_playlist->i_current_index );
+ if ( p_playlist->current.i_size == 0 ) return NULL;
+
+ p_new = ARRAY_VAL( p_playlist->current, p_playlist->i_current_index );
/* The new item can't be autoselected */
if( p_new != NULL && p_new->i_flags & PLAYLIST_SKIP_FLAG )
return NULL;
}
- if( p_new == NULL )
- {
- msg_Dbg( p_playlist, "did not find something to play" );
- }
return p_new;
}
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