1 /*****************************************************************************
2 * vout_intf.c : video output interface
3 *****************************************************************************
4 * Copyright (C) 2000-2004 VideoLAN
5 * $Id: video_output.c 6961 2004-03-05 17:34:23Z sam $
7 * Authors: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
27 #include <stdlib.h> /* free() */
31 #include "vlc_video.h"
32 #include "video_output.h"
33 #include "vlc_interface.h"
35 /*****************************************************************************
37 *****************************************************************************/
39 /*****************************************************************************
40 * vout_RequestWindow: Create/Get a video window if possible.
41 *****************************************************************************
42 * This function looks for the main interface and tries to request
43 * a new video window. If it fails then the vout will still need to create the
45 *****************************************************************************/
46 void *vout_RequestWindow( vout_thread_t *p_vout,
47 int *pi_x_hint, int *pi_y_hint,
48 unsigned int *pi_width_hint,
49 unsigned int *pi_height_hint )
51 intf_thread_t *p_intf;
55 /* Get requested coordinates */
56 var_Get( p_vout, "video-x", &val );
57 *pi_x_hint = val.i_int ;
58 var_Get( p_vout, "video-y", &val );
59 *pi_y_hint = val.i_int;
61 *pi_width_hint = p_vout->i_window_width;
62 *pi_height_hint = p_vout->i_window_height;
64 /* Check whether someone provided us with a window ID */
65 var_Get( p_vout->p_vlc, "drawable", &val );
66 if( val.i_int ) return (void *)val.i_int;
68 /* Find the main interface */
69 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF, FIND_ANYWHERE );
70 if( !p_intf ) return NULL;
72 if( !p_intf->pf_request_window )
74 vlc_object_release( p_intf );
78 p_window = p_intf->pf_request_window( p_intf, pi_x_hint, pi_y_hint,
79 pi_width_hint, pi_height_hint );
80 vlc_object_release( p_intf );
85 void vout_ReleaseWindow( vout_thread_t *p_vout, void *p_window )
87 intf_thread_t *p_intf;
89 /* Find the main interface */
90 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF, FIND_ANYWHERE );
93 if( !p_intf->pf_release_window )
95 msg_Err( p_vout, "no pf_release_window");
96 vlc_object_release( p_intf );
100 p_intf->pf_release_window( p_intf, p_window );
101 vlc_object_release( p_intf );