mirror of
https://github.com/Rafostar/clapper.git
synced 2025-08-29 23:32:04 +02:00
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
|
|
* Copyright (C) 2015 Thibault Saunier <tsaunier@gnome.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library 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.
|
|
*/
|
|
|
|
#include <gst/gst.h>
|
|
#include "gstgtkutils.h"
|
|
|
|
struct invoke_context
|
|
{
|
|
GThreadFunc func;
|
|
gpointer data;
|
|
GMutex lock;
|
|
GCond cond;
|
|
gboolean fired;
|
|
|
|
gpointer res;
|
|
};
|
|
|
|
static gboolean
|
|
gst_gtk_invoke_func (struct invoke_context *info)
|
|
{
|
|
g_mutex_lock (&info->lock);
|
|
info->res = info->func (info->data);
|
|
info->fired = TRUE;
|
|
g_cond_signal (&info->cond);
|
|
g_mutex_unlock (&info->lock);
|
|
|
|
return G_SOURCE_REMOVE;
|
|
}
|
|
|
|
gpointer
|
|
gst_gtk_invoke_on_main (GThreadFunc func, gpointer data)
|
|
{
|
|
GMainContext *main_context = g_main_context_default ();
|
|
struct invoke_context info;
|
|
|
|
g_mutex_init (&info.lock);
|
|
g_cond_init (&info.cond);
|
|
info.fired = FALSE;
|
|
info.func = func;
|
|
info.data = data;
|
|
|
|
g_main_context_invoke (main_context, (GSourceFunc) gst_gtk_invoke_func,
|
|
&info);
|
|
|
|
g_mutex_lock (&info.lock);
|
|
while (!info.fired)
|
|
g_cond_wait (&info.cond, &info.lock);
|
|
g_mutex_unlock (&info.lock);
|
|
|
|
g_mutex_clear (&info.lock);
|
|
g_cond_clear (&info.cond);
|
|
|
|
return info.res;
|
|
}
|
|
|
|
void
|
|
gst_gtk_install_shared_properties (GObjectClass *gobject_class)
|
|
{
|
|
g_object_class_install_property (gobject_class, PROP_FORCE_ASPECT_RATIO,
|
|
g_param_spec_boolean ("force-aspect-ratio",
|
|
"Force aspect ratio",
|
|
"When enabled, scaling will respect original aspect ratio",
|
|
DEFAULT_FORCE_ASPECT_RATIO,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_PIXEL_ASPECT_RATIO,
|
|
gst_param_spec_fraction ("pixel-aspect-ratio", "Pixel Aspect Ratio",
|
|
"The pixel aspect ratio of the device", DEFAULT_PAR_N, DEFAULT_PAR_D,
|
|
G_MAXINT, 1, 1, 1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
}
|