コード例 #1
0
/**
 * Run the main control thread itself
 */
static void *Thread ( void *data )
{
    playlist_t *p_playlist = data;
    playlist_private_t *p_sys = pl_priv(p_playlist);

    playlist_Lock( p_playlist );
    while( vlc_object_alive( p_playlist ) || p_sys->p_input )
    {
        /* FIXME: what's that ! */
        if( p_sys->b_reset_currently_playing &&
            mdate() - p_sys->last_rebuild_date > 30000 ) // 30 ms
        {
            ResetCurrentlyPlaying( p_playlist,
                                   get_current_status_item( p_playlist ) );
            p_sys->last_rebuild_date = mdate();
        }

        /* If there is an input, check that it doesn't need to die. */
        while( !LoopInput( p_playlist ) )
            vlc_cond_wait( &p_sys->signal, &p_sys->lock );

        LoopRequest( p_playlist );
    }
    playlist_Unlock( p_playlist );

    return NULL;
}
コード例 #2
0
ファイル: search.c プロジェクト: qdk0901/vlc
/**
 * Search an item by its input_item_t
 * The playlist have to be locked
 * @param p_playlist: the playlist
 * @param p_item: the input_item_t to find
 * @return the item, or NULL on failure
 */
playlist_item_t* playlist_ItemGetByInput( playlist_t * p_playlist,
                                          input_item_t *p_item )
{
    int i;
    PL_ASSERT_LOCKED;
    if( get_current_status_item( p_playlist ) &&
        get_current_status_item( p_playlist )->p_input == p_item )
    {
        return get_current_status_item( p_playlist );
    }
    /** \todo Check if this is always incremental and whether we can bsearch */
    for( i =  0 ; i < p_playlist->all_items.i_size; i++ )
    {
        if( ARRAY_VAL(p_playlist->all_items, i)->p_input == p_item )
        {
            return ARRAY_VAL(p_playlist->all_items, i);
        }
    }
    return NULL;
}
コード例 #3
0
ファイル: item.c プロジェクト: BossKing/vlc
static void input_item_add_subitem_tree ( const vlc_event_t * p_event,
                                          void * user_data )
{
    input_item_t *p_input = p_event->p_obj;
    playlist_t *p_playlist = (( playlist_item_t* ) user_data)->p_playlist;
    input_item_node_t *p_new_root = p_event->u.input_item_subitem_tree_added.p_root;

    PL_LOCK;

    playlist_item_t *p_item =
        playlist_ItemGetByInput( p_playlist, p_input );

    assert( p_item != NULL );

    bool b_current = get_current_status_item( p_playlist ) == p_item;
    bool b_autostart = var_GetBool( p_playlist, "playlist-autostart" );
    bool b_stop = p_item->i_flags & PLAYLIST_SUBITEM_STOP_FLAG;
    bool b_flat = false;

    p_item->i_flags &= ~PLAYLIST_SUBITEM_STOP_FLAG;

    /* We will have to flatten the tree out if we are in "the playlist" node and
    the user setting demands flat playlist */

    if( !pl_priv(p_playlist)->b_tree ) {
        playlist_item_t *p_up = p_item;
        while( p_up->p_parent )
        {
            if( p_up->p_parent == p_playlist->p_playing )
            {
                b_flat = true;
                break;
            }
            p_up = p_up->p_parent;
        }
    }

    int pos = 0;

    /* If we have to flatten out, then take the item's position in the parent as
    insertion point and delete the item */

    if( b_flat )
    {
        playlist_item_t *p_parent = p_item->p_parent;
        assert( p_parent != NULL );

        int i;
        for( i = 0; i < p_parent->i_children; i++ )
        {
            if( p_parent->pp_children[i] == p_item )
            {
                pos = i;
                break;
            }
        }
        assert( i < p_parent->i_children );

        playlist_DeleteItem( p_playlist, p_item, true );

        p_item = p_parent;
    }
    else
    {
        pos = p_item->i_children >= 0 ? p_item->i_children : 0;
    }

    /* At this point:
    "p_item" is the node where sub-items should be inserted,
    "pos" is the insertion position in that node */

    int last_pos = playlist_InsertInputItemTree( p_playlist,
                                                 p_item,
                                                 p_new_root,
                                                 pos,
                                                 b_flat );

    if( !b_flat ) var_SetInteger( p_playlist, "leaf-to-parent", p_item->i_id );

    //control playback only if it was the current playing item that got subitems
    if( b_current )
    {
        if( last_pos == pos || ( b_stop && !b_flat ) || !b_autostart )
        {
            /* We stop, either because no sub-item was actually created, or some
            flags/settings want us to do so at this point */
            PL_UNLOCK;
            playlist_Stop( p_playlist );
            return;
        }
        else
        {
            /* Continue to play, either random or the first new item */
            playlist_item_t *p_play_item;

            if( var_GetBool( p_playlist, "random" ) )
            {
                p_play_item = NULL;
            }
            else
            {
                /* Don't Play a directory if it can loop into a parent */
                if( p_new_root->b_can_loop )
                {
                    /* Play the first regular file */
                    for( ; pos < last_pos; pos++ )
                    {
                        if( p_item->pp_children[pos]->p_input->i_type != ITEM_TYPE_DIRECTORY )
                            break;
                    }
                    if( last_pos == pos )
                    {
                        PL_UNLOCK;
                        playlist_Stop( p_playlist );
                        return;
                    }
                }
                p_play_item = p_item->pp_children[pos];
                /* NOTE: this is a work around the general bug:
                if node-to-be-played contains sub-nodes, then second instead
                of first leaf starts playing (only in case the leafs have just
                been instered and playlist has not yet been rebuilt.)
                */
                while( p_play_item->i_children > 0 )
                    p_play_item = p_play_item->pp_children[0];
            }

            playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
                                  pl_Locked,
                                  get_current_status_node( p_playlist ),
                                  p_play_item );
        }
    }

    PL_UNLOCK;
}
コード例 #4
0
/**
 * Compute the next playlist item depending on
 * the playlist course mode (forward, backward, random, view,...).
 *
 * \param p_playlist the playlist object
 * \return nothing
 */
static playlist_item_t *NextItem( playlist_t *p_playlist )
{
    playlist_private_t *p_sys = pl_priv(p_playlist);
    playlist_item_t *p_new = NULL;

    /* 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;
    }

    /* Start the real work */
    if( p_sys->request.b_request )
    {
        p_new = p_sys->request.p_item;
        int i_skip = p_sys->request.i_skip;
        PL_DEBUG( "processing request item: %s, node: %s, skip: %i",
                        PLI_NAME( p_sys->request.p_item ),
                        PLI_NAME( p_sys->request.p_node ), i_skip );

        if( p_sys->request.p_node &&
            p_sys->request.p_node != get_current_status_node( p_playlist ) )
        {

            set_current_status_node( p_playlist, p_sys->request.p_node );
            p_sys->request.p_node = NULL;
            p_sys->b_reset_currently_playing = true;
        }

        /* If we are asked for a node, go to it's first child */
        if( i_skip == 0 && ( p_new == NULL || p_new->i_children != -1 ) )
        {
            i_skip++;
            if( p_new != NULL )
            {
                p_new = playlist_GetNextLeaf( p_playlist, p_new, NULL, true, false );
                for( int i = 0; i < p_playlist->current.i_size; i++ )
                {
                    if( p_new == ARRAY_VAL( p_playlist->current, i ) )
                    {
                        p_playlist->i_current_index = i;
                        i_skip = 0;
                    }
                }
            }
        }

        if( p_sys->b_reset_currently_playing )
            /* A bit too bad to reset twice ... */
            ResetCurrentlyPlaying( p_playlist, 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) )
        {
            if( p_playlist->i_current_index < -1 )
                p_playlist->i_current_index = -1;
            for( int 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( int 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_sys->request.b_request = false;
    }
    /* "Automatic" item change ( next ) */
    else
    {
        bool b_loop = var_GetBool( p_playlist, "loop" );
        bool b_repeat = var_GetBool( p_playlist, "repeat" );
        bool b_playstop = var_GetBool( p_playlist, "play-and-stop" );

        /* Repeat and play/stop */
        if( b_repeat && get_current_status_item( p_playlist ) )
        {
            msg_Dbg( p_playlist,"repeating item" );
            return get_current_status_item( p_playlist );
        }
        if( b_playstop )
        {
            msg_Dbg( p_playlist,"stopping (play and stop)" );
            return NULL;
        }

        /* */
        if( get_current_status_item( p_playlist ) )
        {
            playlist_item_t *p_parent = get_current_status_item( p_playlist );
            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;
            }
        }

        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( get_current_status_item( p_playlist ) &&
            get_current_status_item( p_playlist )->i_flags & PLAYLIST_SKIP_FLAG )
            return NULL;

        if( p_sys->b_reset_currently_playing )
            ResetCurrentlyPlaying( p_playlist,
                                   get_current_status_item( p_playlist ) );

        p_playlist->i_current_index++;
        assert( p_playlist->i_current_index <= p_playlist->current.i_size );
        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;
}