/*****************************************************************************
* Copyright © 2009 Rémi Denis-Courmont
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- ****************************************************************************/
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#include <vlc_plugin.h>
#include <vlc_vout_window.h>
-static int Open (vlc_object_t *);
-static void Close(vlc_object_t *);
+#define HWND_TEXT N_("Window handle (HWND)")
+#define HWND_LONGTEXT N_( \
+ "Video will be embedded in this pre-existing window. " \
+ "If zero, a new window will be created.")
+
+static int Open (vout_window_t *, const vout_window_cfg_t *);
+static void Close(vout_window_t *);
/*
* Module descriptor
set_description (N_("Embedded window video"))
set_category (CAT_VIDEO)
set_subcategory (SUBCAT_VIDEO_VOUT)
- set_capability ("vout window hwnd", 70)
+ set_capability ("vout window hwnd", 0)
set_callbacks (Open, Close)
- //add_integer ("drawable-hwnd", 0, NULL, HWN_TEXT, HWND_LONGTEXT, true) /* How to ? */
- // change_unsaveable ()
+ add_shortcut ("embed-hwnd")
+
+ add_integer ("drawable-hwnd", 0, HWND_TEXT, HWND_LONGTEXT, true)
+ change_volatile ()
vlc_module_end ()
static int Control (vout_window_t *, int, va_list);
+/* Keep a list of busy drawables, so we don't overlap videos if there are
+ * more than one video track in the stream. */
static vlc_mutex_t serializer = VLC_STATIC_MUTEX;
+static uintptr_t *used = NULL;
/**
* Find the drawable set by libvlc application.
*/
-static int Open (vlc_object_t *obj)
+static int Open (vout_window_t *wnd, const vout_window_cfg_t *cfg)
{
- vout_window_t *wnd = (vout_window_t *)obj;
- void **used, *val;
- size_t n = 0;
-
- if (var_Create (obj->p_libvlc, "hwnd-in-use", VLC_VAR_ADDRESS)
- || var_Create (obj, "drawable-hwnd", VLC_VAR_DOINHERIT | VLC_VAR_ADDRESS))
- return VLC_ENOMEM;
+ VLC_UNUSED (cfg);
+ uintptr_t val = var_InheritInteger (wnd, "drawable-hwnd");
+ if (val == 0)
+ return VLC_EGENERIC;
- val = var_GetAddress (obj, "drawable-hwnd");
- var_Destroy (obj, "drawable-hwn");
+ uintptr_t *tab;
+ size_t n = 0;
- /* Keep a list of busy drawables, so we don't overlap videos if there are
- * more than one video track in the stream. */
vlc_mutex_lock (&serializer);
- /* TODO: per-type list of busy drawables */
- used = var_GetAddress (obj->p_libvlc, "drawables-in-use");
if (used != NULL)
- {
- while (used[n] != NULL)
- {
+ for (/*n = 0*/; used[n]; n++)
if (used[n] == val)
+ {
+ msg_Warn (wnd, "HWND 0x%zX is busy", val);
+ val = 0;
goto skip;
- n++;
- }
- }
+ }
- used = realloc (used, sizeof (*used) * (n + 2));
- if (used != NULL)
+ tab = realloc (used, sizeof (*used) * (n + 2));
+ if (likely(tab != NULL))
{
+ used = tab;
used[n] = val;
- used[n + 1] = NULL;
- var_SetAddress (obj->p_libvlc, "hwnd-in-use", used);
+ used[n + 1] = 0;
}
else
- {
+ val = 0;
skip:
- msg_Warn (wnd, "HWND %p is busy", val);
- val = NULL;
- }
vlc_mutex_unlock (&serializer);
- if (val == NULL)
+ if (val == 0)
return VLC_EGENERIC;
- wnd->handle.hwnd = val;
+ wnd->handle.hwnd = (void *)val;
wnd->control = Control;
- wnd->sys = val;
+ wnd->sys = (void *)val;
return VLC_SUCCESS;
}
/**
* Release the drawable.
*/
-static void Close (vlc_object_t *obj)
+static void Close (vout_window_t *wnd)
{
- vout_window_t *wnd = (vout_window_t *)obj;
- void **used, *val = wnd->sys;
+ uintptr_t val = (uintptr_t)wnd->sys;
size_t n = 0;
/* Remove this drawable from the list of busy ones */
vlc_mutex_lock (&serializer);
- used = var_GetAddress (obj->p_libvlc, "hwnd-in-use");
- assert (used);
+ assert (used != NULL);
while (used[n] != val)
{
assert (used[n]);
}
do
used[n] = used[n + 1];
- while (used[++n] != NULL);
+ while (used[++n] != 0);
if (n == 0)
- var_SetAddress (obj->p_libvlc, "hwnd-in-use", NULL);
+ {
+ free (used);
+ used = NULL;
+ }
vlc_mutex_unlock (&serializer);
-
- if (n == 0)
- free (used);
- /* Variables are reference-counted... */
- var_Destroy (obj->p_libvlc, "hwnd-in-use");
}
return VLC_EGENERIC;
}
}
-
projects / vlc / blobdiff