src/video_output/window.c

   1 /*****************************************************************************
   2  * window.c: "vout window" managment
   3  *****************************************************************************
   4  * Copyright (C) 2009 Laurent Aimar
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 of the License, or
  12  * (at your option) any later version.
  13  *
  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 Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30 #include <assert.h>
  31
  32 #include <vlc_common.h>
  33 #include <vlc_vout_window.h>
  34 #include <vlc_modules.h>
  35 #include "inhibit.h"
  36 #include <libvlc.h>
  37
  38 typedef struct
  39 {
  40     vout_window_t wnd;
  41     module_t *module;
  42     vlc_inhibit_t *inhibit;
  43 } window_t;
  44
  45 static int vout_window_start(void *func, va_list ap)
  46 {
  47     int (*activate)(vout_window_t *, const vout_window_cfg_t *) = func;
  48     vout_window_t *wnd = va_arg(ap, vout_window_t *);
  49     const vout_window_cfg_t *cfg = va_arg(ap, const vout_window_cfg_t *);
  50
  51     return activate(wnd, cfg);
  52 }
  53
  54 vout_window_t *vout_window_New(vlc_object_t *obj,
  55                                const char *module,
  56                                const vout_window_cfg_t *cfg)
  57 {
  58     window_t *w = vlc_custom_create(obj, sizeof(*w), "window");
  59     vout_window_t *window = &w->wnd;
  60
  61     memset(&window->handle, 0, sizeof(window->handle));
  62     window->control = NULL;
  63     window->sys = NULL;
  64     window->type = cfg->type;
  65
  66     const char *type;
  67     switch (cfg->type) {
  68 #if defined(_WIN32) || defined(__OS2__)
  69     case VOUT_WINDOW_TYPE_HWND:
  70         type = "vout window hwnd";
  71         window->handle.hwnd = NULL;
  72         break;
  73 #endif
  74 #ifdef __APPLE__
  75     case VOUT_WINDOW_TYPE_NSOBJECT:
  76         type = "vout window nsobject";
  77         window->handle.nsobject = NULL;
  78         break;
  79 #endif
  80     case VOUT_WINDOW_TYPE_XID:
  81         type = "vout window xid";
  82         window->handle.xid = 0;
  83         window->display.x11 = NULL;
  84         break;
  85     case VOUT_WINDOW_TYPE_ANDROID_NATIVE:
  86         type = "vout window anative";
  87         window->handle.anativewindow = NULL;
  88         break;
  89     default:
  90         assert(0);
  91     }
  92
  93     w->module = vlc_module_load(window, type, module, module && *module,
  94                                 vout_window_start, window, cfg);
  95     if (!w->module) {
  96         vlc_object_release(window);
  97         return NULL;
  98     }
  99
 100     /* Hook for screensaver inhibition */
 101     if (var_InheritBool(obj, "disable-screensaver") &&
 102         cfg->type == VOUT_WINDOW_TYPE_XID) {
 103         w->inhibit = vlc_inhibit_Create(VLC_OBJECT (window));
 104         if (w->inhibit != NULL)
 105             vlc_inhibit_Set(w->inhibit, VLC_INHIBIT_VIDEO);
 106             /* FIXME: ^ wait for vout activation, pause */
 107     }
 108     else
 109         w->inhibit = NULL;
 110     return window;
 111 }
 112
 113 static void vout_window_stop(void *func, va_list ap)
 114 {
 115     int (*deactivate)(vout_window_t *) = func;
 116     vout_window_t *wnd = va_arg(ap, vout_window_t *);
 117
 118     deactivate(wnd);
 119 }
 120
 121 void vout_window_Delete(vout_window_t *window)
 122 {
 123     if (!window)
 124         return;
 125
 126     window_t *w = (window_t *)window;
 127     if (w->inhibit)
 128     {
 129         vlc_inhibit_Set (w->inhibit, VLC_INHIBIT_NONE);
 130         vlc_inhibit_Destroy (w->inhibit);
 131     }
 132
 133     vlc_module_unload(w->module, vout_window_stop, window);
 134     vlc_object_release(window);
 135 }
 136
 137 int vout_window_Control(vout_window_t *window, int query, ...)
 138 {
 139     va_list args;
 140     va_start(args, query);
 141     int ret = window->control(window, query, args);
 142     va_end(args);
 143
 144     return ret;
 145 }
 146