gstreamer/gst-libs/gst/gl/x11/gstgldisplay_x11.c
Reynaldo H. Verdejo Pinochet 68e668168d Remove unnecessary NULL checks before g_free()
g_free() is NULL-safe
2017-12-09 19:32:11 +00:00

124 lines
3.3 KiB
C

/*
* GStreamer
* Copyright (C) 2013 Matthew Waters <ystreet00@gmail.com>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gl/x11/gstgldisplay_x11.h>
GST_DEBUG_CATEGORY_STATIC (gst_gl_display_debug);
#define GST_CAT_DEFAULT gst_gl_display_debug
G_DEFINE_TYPE (GstGLDisplayX11, gst_gl_display_x11, GST_TYPE_GL_DISPLAY);
static void gst_gl_display_x11_finalize (GObject * object);
static guintptr gst_gl_display_x11_get_handle (GstGLDisplay * display);
static void
gst_gl_display_x11_class_init (GstGLDisplayX11Class * klass)
{
GST_GL_DISPLAY_CLASS (klass)->get_handle =
GST_DEBUG_FUNCPTR (gst_gl_display_x11_get_handle);
G_OBJECT_CLASS (klass)->finalize = gst_gl_display_x11_finalize;
}
static void
gst_gl_display_x11_init (GstGLDisplayX11 * display_x11)
{
GstGLDisplay *display = (GstGLDisplay *) display_x11;
display->type = GST_GL_DISPLAY_TYPE_X11;
display_x11->foreign_display = FALSE;
}
static void
gst_gl_display_x11_finalize (GObject * object)
{
GstGLDisplayX11 *display_x11 = GST_GL_DISPLAY_X11 (object);
g_free (display_x11->name);
if (!display_x11->foreign_display && display_x11->display) {
XCloseDisplay (display_x11->display);
}
G_OBJECT_CLASS (gst_gl_display_x11_parent_class)->finalize (object);
}
/**
* gst_gl_display_x11_new:
* @name: (allow-none): a display name
*
* Create a new #GstGLDisplayX11 from the x11 display name. See XOpenDisplay()
* for details on what is a valid name.
*
* Returns: (transfer full): a new #GstGLDisplayX11 or %NULL
*/
GstGLDisplayX11 *
gst_gl_display_x11_new (const gchar * name)
{
GstGLDisplayX11 *ret;
GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
ret = g_object_new (GST_TYPE_GL_DISPLAY_X11, NULL);
ret->name = g_strdup (name);
ret->display = XOpenDisplay (ret->name);
if (!ret->display) {
GST_ERROR ("Failed to open X11 display connection with name, \'%s\'", name);
}
return ret;
}
/**
* gst_gl_display_x11_new_with_display:
* @display: an existing, x11 display
*
* Creates a new display connection from a X11 Display.
*
* Returns: (transfer full): a new #GstGLDisplayX11
*/
GstGLDisplayX11 *
gst_gl_display_x11_new_with_display (Display * display)
{
GstGLDisplayX11 *ret;
g_return_val_if_fail (display != NULL, NULL);
GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
ret = g_object_new (GST_TYPE_GL_DISPLAY_X11, NULL);
ret->name = g_strdup (DisplayString (display));
ret->display = display;
ret->foreign_display = TRUE;
return ret;
}
static guintptr
gst_gl_display_x11_get_handle (GstGLDisplay * display)
{
return (guintptr) GST_GL_DISPLAY_X11 (display)->display;
}