1 /*****************************************************************************
2 * control.c : Handle control of the playlist & running through it
3 *****************************************************************************
4 * Copyright (C) 1999-2004 VLC authors and VideoLAN
7 * Authors: Samuel Hocevar <sam@zoy.org>
8 * Clément Stenac <zorglub@videolan.org>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation; either version 2.1 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software Foundation,
22 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
28 #include <vlc_common.h>
29 #include "vlc_playlist.h"
30 #include "playlist_internal.h"
33 /*****************************************************************************
35 *****************************************************************************/
36 static int PlaylistVAControl( playlist_t * p_playlist, int i_query, va_list args );
38 /*****************************************************************************
40 *****************************************************************************/
42 void playlist_Lock( playlist_t *pl )
44 vlc_mutex_lock( &pl_priv(pl)->lock );
47 void playlist_Unlock( playlist_t *pl )
49 vlc_mutex_unlock( &pl_priv(pl)->lock );
52 void playlist_AssertLocked( playlist_t *pl )
54 vlc_assert_locked( &pl_priv(pl)->lock );
57 int playlist_Control( playlist_t * p_playlist, int i_query,
62 PL_LOCK_IF( !b_locked );
63 va_start( args, b_locked );
64 i_result = PlaylistVAControl( p_playlist, i_query, args );
66 PL_UNLOCK_IF( !b_locked );
71 static int PlaylistVAControl( playlist_t * p_playlist, int i_query, va_list args )
73 playlist_item_t *p_item, *p_node;
77 if( i_query != PLAYLIST_STOP )
78 if( pl_priv(p_playlist)->killed || playlist_IsEmpty( p_playlist ) )
84 pl_priv(p_playlist)->request.i_status = PLAYLIST_STOPPED;
85 pl_priv(p_playlist)->request.b_request = true;
86 pl_priv(p_playlist)->request.p_item = NULL;
89 // Node can be null, it will keep the same. Use with care ...
90 // Item null = take the first child of node
91 case PLAYLIST_VIEWPLAY:
92 p_node = (playlist_item_t *)va_arg( args, playlist_item_t * );
93 p_item = (playlist_item_t *)va_arg( args, playlist_item_t * );
96 p_node = get_current_status_node( p_playlist );
99 pl_priv(p_playlist)->request.i_status = PLAYLIST_RUNNING;
100 pl_priv(p_playlist)->request.i_skip = 0;
101 pl_priv(p_playlist)->request.b_request = true;
102 pl_priv(p_playlist)->request.p_node = p_node;
103 pl_priv(p_playlist)->request.p_item = p_item;
104 if( p_item && var_GetBool( p_playlist, "random" ) )
105 pl_priv(p_playlist)->b_reset_currently_playing = true;
109 if( pl_priv(p_playlist)->p_input )
111 pl_priv(p_playlist)->status.i_status = PLAYLIST_RUNNING;
112 var_SetInteger( pl_priv(p_playlist)->p_input, "state", PLAYING_S );
117 pl_priv(p_playlist)->request.i_status = PLAYLIST_RUNNING;
118 pl_priv(p_playlist)->request.b_request = true;
119 pl_priv(p_playlist)->request.p_node = get_current_status_node( p_playlist );
120 pl_priv(p_playlist)->request.p_item = get_current_status_item( p_playlist );
121 pl_priv(p_playlist)->request.i_skip = 0;
126 if( !pl_priv(p_playlist)->p_input )
127 { /* FIXME: is this really useful without input? */
128 pl_priv(p_playlist)->status.i_status = PLAYLIST_PAUSED;
129 /* return without notifying the playlist thread as there is nothing to do */
133 if( var_GetInteger( pl_priv(p_playlist)->p_input, "state" ) == PAUSE_S )
135 pl_priv(p_playlist)->status.i_status = PLAYLIST_RUNNING;
136 var_SetInteger( pl_priv(p_playlist)->p_input, "state", PLAYING_S );
140 pl_priv(p_playlist)->status.i_status = PLAYLIST_PAUSED;
141 var_SetInteger( pl_priv(p_playlist)->p_input, "state", PAUSE_S );
146 pl_priv(p_playlist)->request.p_node = get_current_status_node( p_playlist );
147 pl_priv(p_playlist)->request.p_item = get_current_status_item( p_playlist );
148 pl_priv(p_playlist)->request.i_skip = (int) va_arg( args, int );
149 /* if already running, keep running */
150 if( pl_priv(p_playlist)->status.i_status != PLAYLIST_STOPPED )
151 pl_priv(p_playlist)->request.i_status = pl_priv(p_playlist)->status.i_status;
152 pl_priv(p_playlist)->request.b_request = true;
156 msg_Err( p_playlist, "unknown playlist query" );
159 vlc_cond_signal( &pl_priv(p_playlist)->signal );
164 /*****************************************************************************
166 *****************************************************************************/
167 /** Enqueue an item for preparsing */
168 int playlist_PreparseEnqueue( playlist_t *p_playlist, input_item_t *p_item )
170 playlist_private_t *p_sys = pl_priv(p_playlist);
172 if( unlikely(p_sys->p_preparser == NULL) )
174 playlist_preparser_Push( p_sys->p_preparser, p_item );
178 int playlist_AskForArtEnqueue( playlist_t *p_playlist, input_item_t *p_item )
180 playlist_private_t *p_sys = pl_priv(p_playlist);
182 if( unlikely(p_sys->p_fetcher == NULL) )
184 playlist_fetcher_Push( p_sys->p_fetcher, p_item );