-/*****************************************************************************
- * 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 )
-{
- playlist_item_t *p_new = NULL;
- int i_skip = 0, i;
-
- vlc_bool_t b_loop = var_GetBool( p_playlist, "loop" );
- vlc_bool_t b_random = var_GetBool( p_playlist, "random" );
- vlc_bool_t b_repeat = var_GetBool( p_playlist, "repeat" );
- vlc_bool_t b_playstop = var_GetBool( p_playlist, "play-and-stop" );
-
- /* Handle quickly a few special cases */
- /* No items to play */
- if( p_playlist->items.i_size == 0 )
- {
- msg_Info( p_playlist, "playlist is empty" );
- return NULL;
- }
-
- /* Repeat and play/stop */
- if( !p_playlist->request.b_request && b_repeat == VLC_TRUE &&
- p_playlist->status.p_item )
- {
- msg_Dbg( p_playlist,"repeating item" );
- return p_playlist->status.p_item;
- }
- if( !p_playlist->request.b_request && b_playstop == VLC_TRUE )
- {
- msg_Dbg( p_playlist,"stopping (play and stop)");
- return NULL;
- }
-
- if( !p_playlist->request.b_request && p_playlist->status.p_item )
- {
- playlist_item_t *p_parent = p_playlist->status.p_item;
- while( p_parent )
- {
- if( p_parent->i_flags & PLAYLIST_SKIP_FLAG )
- {
- msg_Dbg( p_playlist, "blocking item, stopping") ;
- return NULL;
- }
- p_parent = p_parent->p_parent;
- }
- }
-
- /* Start the real work */
- if( p_playlist->request.b_request )
- {
- 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 &&
- 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( 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_playlist->i_current_index++;
- if( p_playlist->i_current_index == p_playlist->current.i_size )
- {
- PL_DEBUG( "looping - restarting at beginning of node" );
- p_playlist->i_current_index = 0;
- }
- }
- p_new = ARRAY_VAL( p_playlist->current,
- p_playlist->i_current_index );
- }
- else if( p_playlist->current.i_size && i_skip < 0 )
- {
- for( i = i_skip; i < 0 ; i++ )
- {
- p_playlist->i_current_index--;
- if( p_playlist->i_current_index == -1 )
- {
- PL_DEBUG( "looping - restarting at end of node" );
- p_playlist->i_current_index = p_playlist->current.i_size-1;
- }
- }
- 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 (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;
-
- 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 )
- {
- 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;
- }
- return p_new;
-}
-
-/** Start the input for an item */
-int playlist_PlayItem( playlist_t *p_playlist, playlist_item_t *p_item )
-{
- vlc_value_t val;
- int i_activity = var_GetInteger( p_playlist, "activity") ;
-
- msg_Dbg( p_playlist, "creating new input thread" );
-
- p_item->p_input->i_nb_played++;
- p_playlist->status.p_item = p_item;
-
- p_playlist->status.i_status = PLAYLIST_RUNNING;
-
- var_SetInteger( p_playlist, "activity", i_activity +
- DEFAULT_INPUT_ACTIVITY );
- p_playlist->p_input = input_CreateThread( p_playlist, p_item->p_input );
-
- val.i_int = p_item->p_input->i_id;
- /* unlock the playlist to set the var...mmm */
- vlc_mutex_unlock( &p_playlist->object_lock);
- var_Set( p_playlist, "playlist-current", val);
- vlc_mutex_lock( &p_playlist->object_lock);