mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 20:51:13 +00:00
db1c7a242b
- provide a default synchronous send_message - make context creation threadsafe again
784 lines
22 KiB
C
784 lines
22 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#define GLIB_DISABLE_DEPRECATION_WARNINGS
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <locale.h>
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#include "x11_event_source.h"
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#include "gstglwindow_x11.h"
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#define GST_GL_WINDOW_X11_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW_X11, GstGLWindowX11Private))
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#define GST_CAT_DEFAULT gst_gl_window_debug
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#define gst_gl_window_x11_parent_class parent_class
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G_DEFINE_TYPE (GstGLWindowX11, gst_gl_window_x11, GST_GL_TYPE_WINDOW);
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/* X error trap */
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static int TrappedErrorCode = 0;
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static int (*old_error_handler) (Display *, XErrorEvent *);
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enum
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{
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ARG_0,
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ARG_DISPLAY
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};
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struct _GstGLWindowX11Private
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{
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gboolean activate;
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gboolean activate_result;
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};
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guintptr gst_gl_window_x11_get_display (GstGLWindow * window);
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guintptr gst_gl_window_x11_get_gl_context (GstGLWindow * window);
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gboolean gst_gl_window_x11_activate (GstGLWindow * window, gboolean activate);
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void gst_gl_window_x11_set_window_handle (GstGLWindow * window,
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guintptr handle);
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guintptr gst_gl_window_x11_get_window_handle (GstGLWindow * window);
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void gst_gl_window_x11_draw_unlocked (GstGLWindow * window, guint width,
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guint height);
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void gst_gl_window_x11_draw (GstGLWindow * window, guint width, guint height);
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void gst_gl_window_x11_run (GstGLWindow * window);
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void gst_gl_window_x11_quit (GstGLWindow * window);
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void gst_gl_window_x11_send_message_async (GstGLWindow * window,
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GstGLWindowCB callback, gpointer data, GDestroyNotify destroy);
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gboolean gst_gl_window_x11_create_context (GstGLWindow * window,
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GstGLAPI gl_api, guintptr external_gl_context, GError ** error);
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gboolean gst_gl_window_x11_open (GstGLWindow * window, GError ** error);
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void gst_gl_window_x11_close (GstGLWindow * window);
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static void
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gst_gl_window_x11_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstGLWindowX11 *window_x11;
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g_return_if_fail (GST_GL_IS_WINDOW_X11 (object));
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window_x11 = GST_GL_WINDOW_X11 (object);
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switch (prop_id) {
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case ARG_DISPLAY:
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window_x11->display_name = g_strdup (g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_gl_window_x11_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstGLWindowX11 *window_x11;
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g_return_if_fail (GST_GL_IS_WINDOW_X11 (object));
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window_x11 = GST_GL_WINDOW_X11 (object);
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switch (prop_id) {
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case ARG_DISPLAY:
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g_value_set_string (value, window_x11->display_name);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_gl_window_x11_finalize (GObject * object)
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{
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GstGLWindowX11 *window_x11;
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g_return_if_fail (GST_GL_IS_WINDOW_X11 (object));
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window_x11 = GST_GL_WINDOW_X11 (object);
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g_mutex_clear (&window_x11->disp_send_lock);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_gl_window_x11_class_init (GstGLWindowX11Class * klass)
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{
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GObjectClass *obj_class = G_OBJECT_CLASS (klass);
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GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
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g_type_class_add_private (klass, sizeof (GstGLWindowX11Private));
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obj_class->set_property = gst_gl_window_x11_set_property;
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obj_class->get_property = gst_gl_window_x11_get_property;
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obj_class->finalize = gst_gl_window_x11_finalize;
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g_object_class_install_property (obj_class, ARG_DISPLAY,
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g_param_spec_string ("display", "Display", "X Display name", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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window_class->get_display = GST_DEBUG_FUNCPTR (gst_gl_window_x11_get_display);
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window_class->set_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_x11_set_window_handle);
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window_class->get_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_x11_get_window_handle);
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window_class->draw_unlocked =
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GST_DEBUG_FUNCPTR (gst_gl_window_x11_draw_unlocked);
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window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_x11_draw);
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window_class->run = GST_DEBUG_FUNCPTR (gst_gl_window_x11_run);
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window_class->quit = GST_DEBUG_FUNCPTR (gst_gl_window_x11_quit);
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window_class->send_message_async =
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GST_DEBUG_FUNCPTR (gst_gl_window_x11_send_message_async);
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window_class->open = GST_DEBUG_FUNCPTR (gst_gl_window_x11_open);
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window_class->close = GST_DEBUG_FUNCPTR (gst_gl_window_x11_close);
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}
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static void
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gst_gl_window_x11_init (GstGLWindowX11 * window)
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{
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window->priv = GST_GL_WINDOW_X11_GET_PRIVATE (window);
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g_mutex_init (&window->disp_send_lock);
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}
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/* Must be called in the gl thread */
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GstGLWindowX11 *
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gst_gl_window_x11_new (void)
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{
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GstGLWindowX11 *window = NULL;
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window = g_object_new (GST_GL_TYPE_WINDOW_X11, NULL);
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gst_gl_window_set_need_lock (GST_GL_WINDOW (window), FALSE);
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return window;
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}
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gboolean
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gst_gl_window_x11_open (GstGLWindow * window, GError ** error)
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{
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GstGLWindowX11 *window_x11 = GST_GL_WINDOW_X11 (window);
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window_x11->device = XOpenDisplay (window_x11->display_name);
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if (window_x11->device == NULL) {
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g_set_error (error, GST_GL_WINDOW_ERROR,
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GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
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"Failed to connect to X display server");
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goto failure;
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}
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XSynchronize (window_x11->device, FALSE);
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GST_LOG ("gl device id: %ld", (gulong) window_x11->device);
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window_x11->disp_send = XOpenDisplay (window_x11->display_name);
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XSynchronize (window_x11->disp_send, FALSE);
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GST_LOG ("gl display sender: %ld", (gulong) window_x11->disp_send);
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g_assert (window_x11->device);
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window_x11->screen = DefaultScreenOfDisplay (window_x11->device);
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window_x11->screen_num = DefaultScreen (window_x11->device);
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window_x11->visual =
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DefaultVisual (window_x11->device, window_x11->screen_num);
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window_x11->root = DefaultRootWindow (window_x11->device);
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window_x11->white = XWhitePixel (window_x11->device, window_x11->screen_num);
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window_x11->black = XBlackPixel (window_x11->device, window_x11->screen_num);
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window_x11->depth = DefaultDepthOfScreen (window_x11->screen);
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GST_LOG ("gl root id: %lud", (gulong) window_x11->root);
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window_x11->device_width =
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DisplayWidth (window_x11->device, window_x11->screen_num);
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window_x11->device_height =
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DisplayHeight (window_x11->device, window_x11->screen_num);
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window_x11->x11_source = x11_event_source_new (window_x11);
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window_x11->main_context = g_main_context_new ();
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window_x11->loop = g_main_loop_new (window_x11->main_context, FALSE);
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g_source_attach (window_x11->x11_source, window_x11->main_context);
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window_x11->allow_extra_expose_events = TRUE;
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return TRUE;
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failure:
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return FALSE;
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}
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gboolean
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gst_gl_window_x11_create_window (GstGLWindowX11 * window_x11)
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{
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XSetWindowAttributes win_attr;
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XTextProperty text_property;
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XWMHints wm_hints;
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unsigned long mask;
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const gchar *title = "OpenGL renderer";
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Atom wm_atoms[1];
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gint x = 0, y = 0, width = 1, height = 1;
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if (window_x11->visual_info->visual != window_x11->visual)
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GST_LOG ("selected visual is different from the default");
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GST_LOG ("visual XID:%d, screen:%d, visualid:%d, depth:%d, class:%d, "
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"red_mask:%ld, green_mask:%ld, blue_mask:%ld bpp:%d",
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(gint) XVisualIDFromVisual (window_x11->visual_info->visual),
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window_x11->visual_info->screen, (gint) window_x11->visual_info->visualid,
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window_x11->visual_info->depth, window_x11->visual_info->class,
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window_x11->visual_info->red_mask, window_x11->visual_info->green_mask,
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window_x11->visual_info->blue_mask,
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window_x11->visual_info->bits_per_rgb);
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win_attr.event_mask =
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StructureNotifyMask | ExposureMask | VisibilityChangeMask;
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win_attr.do_not_propagate_mask = NoEventMask;
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win_attr.background_pixmap = None;
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win_attr.background_pixel = 0;
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win_attr.border_pixel = 0;
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win_attr.colormap =
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XCreateColormap (window_x11->device, window_x11->root,
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window_x11->visual_info->visual, AllocNone);
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mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask;
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window_x11->internal_win_id =
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XCreateWindow (window_x11->device,
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window_x11->parent_win ? window_x11->parent_win : window_x11->root,
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x, y, width, height, 0,
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window_x11->visual_info->depth, InputOutput,
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window_x11->visual_info->visual, mask, &win_attr);
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XSync (window_x11->device, FALSE);
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XSetWindowBackgroundPixmap (window_x11->device, window_x11->internal_win_id,
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None);
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GST_LOG ("gl window id: %lud", (gulong) window_x11->internal_win_id);
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GST_LOG ("gl window props: x:%d y:%d", x, y);
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wm_atoms[0] = XInternAtom (window_x11->device, "WM_DELETE_WINDOW", True);
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if (wm_atoms[0] == None)
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GST_DEBUG ("Cannot create WM_DELETE_WINDOW");
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XSetWMProtocols (window_x11->device, window_x11->internal_win_id, wm_atoms,
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1);
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wm_hints.flags = StateHint;
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wm_hints.initial_state = NormalState;
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wm_hints.input = False;
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XStringListToTextProperty ((char **) &title, 1, &text_property);
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XSetWMProperties (window_x11->device, window_x11->internal_win_id,
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&text_property, &text_property, 0, 0, NULL, &wm_hints, NULL);
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XFree (text_property.value);
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return TRUE;
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}
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void
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gst_gl_window_x11_close (GstGLWindow * window)
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{
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GstGLWindowX11 *window_x11 = GST_GL_WINDOW_X11 (window);
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XEvent event;
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GST_GL_WINDOW_LOCK (window_x11);
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if (window_x11->device) {
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if (window_x11->internal_win_id)
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XUnmapWindow (window_x11->device, window_x11->internal_win_id);
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XFree (window_x11->visual_info);
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if (window_x11->internal_win_id) {
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XReparentWindow (window_x11->device, window_x11->internal_win_id,
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window_x11->root, 0, 0);
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XDestroyWindow (window_x11->device, window_x11->internal_win_id);
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}
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XSync (window_x11->device, FALSE);
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while (XPending (window_x11->device))
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XNextEvent (window_x11->device, &event);
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XSetCloseDownMode (window_x11->device, DestroyAll);
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/*XAddToSaveSet (display, w)
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Display *display;
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Window w; */
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//FIXME: it seems it causes destroy all created windows, even by other display connection:
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//This is case in: gst-launch-0.10 videotestsrc ! tee name=t t. ! queue ! glimagesink t. ! queue ! glimagesink
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//When the first window is closed and so its display is closed by the following line, then the other Window managed by the
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//other glimagesink, is not useable and so each opengl call causes a segmentation fault.
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//Maybe the solution is to use: XAddToSaveSet
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//The following line is commented to avoid the disagreement explained before.
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//XCloseDisplay (window_x11->device);
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GST_DEBUG ("display receiver closed");
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XCloseDisplay (window_x11->disp_send);
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GST_DEBUG ("display sender closed");
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}
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g_source_destroy (window_x11->x11_source);
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g_source_unref (window_x11->x11_source);
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window_x11->x11_source = NULL;
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g_main_loop_unref (window_x11->loop);
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window_x11->loop = NULL, g_main_context_unref (window_x11->main_context);
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window_x11->main_context = NULL;
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window_x11->running = FALSE;
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GST_GL_WINDOW_UNLOCK (window_x11);
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}
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guintptr
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gst_gl_window_x11_get_gl_context (GstGLWindow * window)
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{
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GstGLWindowX11Class *window_class;
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window_class = GST_GL_WINDOW_X11_GET_CLASS (window);
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return window_class->get_gl_context (GST_GL_WINDOW_X11 (window));
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}
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static void
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callback_activate (GstGLWindow * window)
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{
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GstGLWindowX11Class *window_class;
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GstGLWindowX11Private *priv;
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GstGLWindowX11 *window_x11;
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window_x11 = GST_GL_WINDOW_X11 (window);
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window_class = GST_GL_WINDOW_X11_GET_CLASS (window_x11);
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priv = window_x11->priv;
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priv->activate_result = window_class->activate (window_x11, priv->activate);
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}
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gboolean
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gst_gl_window_x11_activate (GstGLWindow * window, gboolean activate)
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{
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GstGLWindowX11 *window_x11;
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GstGLWindowX11Private *priv;
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window_x11 = GST_GL_WINDOW_X11 (window);
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priv = window_x11->priv;
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priv->activate = activate;
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gst_gl_window_send_message (window, GST_GL_WINDOW_CB (callback_activate),
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window_x11);
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return priv->activate_result;
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}
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/* Not called by the gl thread */
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void
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gst_gl_window_x11_set_window_handle (GstGLWindow * window, guintptr id)
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{
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GstGLWindowX11 *window_x11;
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XWindowAttributes attr;
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window_x11 = GST_GL_WINDOW_X11 (window);
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window_x11->parent_win = (Window) id;
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if (g_main_loop_is_running (window_x11->loop)) {
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GST_LOG ("set parent window id: %lud", id);
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g_mutex_lock (&window_x11->disp_send_lock);
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XGetWindowAttributes (window_x11->disp_send, window_x11->parent_win, &attr);
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XResizeWindow (window_x11->disp_send, window_x11->internal_win_id,
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attr.width, attr.height);
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XReparentWindow (window_x11->disp_send, window_x11->internal_win_id,
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window_x11->parent_win, 0, 0);
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XSync (window_x11->disp_send, FALSE);
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g_mutex_unlock (&window_x11->disp_send_lock);
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}
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}
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guintptr
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gst_gl_window_x11_get_window_handle (GstGLWindow * window)
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{
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GstGLWindowX11 *window_x11;
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window_x11 = GST_GL_WINDOW_X11 (window);
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return window_x11->internal_win_id;
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}
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/* Called in the gl thread */
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void
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gst_gl_window_x11_draw_unlocked (GstGLWindow * window, guint width,
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guint height)
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{
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GstGLWindowX11 *window_x11;
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window_x11 = GST_GL_WINDOW_X11 (window);
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if (g_main_loop_is_running (window_x11->loop)
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&& window_x11->allow_extra_expose_events) {
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XEvent event;
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XWindowAttributes attr;
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|
|
XGetWindowAttributes (window_x11->device, window_x11->internal_win_id,
|
|
&attr);
|
|
|
|
event.xexpose.type = Expose;
|
|
event.xexpose.send_event = TRUE;
|
|
event.xexpose.display = window_x11->device;
|
|
event.xexpose.window = window_x11->internal_win_id;
|
|
event.xexpose.x = attr.x;
|
|
event.xexpose.y = attr.y;
|
|
event.xexpose.width = attr.width;
|
|
event.xexpose.height = attr.height;
|
|
event.xexpose.count = 0;
|
|
|
|
XSendEvent (window_x11->device, window_x11->internal_win_id, FALSE,
|
|
ExposureMask, &event);
|
|
XSync (window_x11->device, FALSE);
|
|
}
|
|
}
|
|
|
|
/* Not called by the gl thread */
|
|
void
|
|
gst_gl_window_x11_draw (GstGLWindow * window, guint width, guint height)
|
|
{
|
|
GstGLWindowX11 *window_x11;
|
|
|
|
window_x11 = GST_GL_WINDOW_X11 (window);
|
|
|
|
if (g_main_loop_is_running (window_x11->loop)) {
|
|
XEvent event;
|
|
XWindowAttributes attr;
|
|
|
|
g_mutex_lock (&window_x11->disp_send_lock);
|
|
|
|
XGetWindowAttributes (window_x11->disp_send, window_x11->internal_win_id,
|
|
&attr);
|
|
|
|
if (!window_x11->visible) {
|
|
|
|
if (!window_x11->parent_win) {
|
|
attr.width = width;
|
|
attr.height = height;
|
|
XResizeWindow (window_x11->disp_send, window_x11->internal_win_id,
|
|
attr.width, attr.height);
|
|
XSync (window_x11->disp_send, FALSE);
|
|
}
|
|
|
|
XMapWindow (window_x11->disp_send, window_x11->internal_win_id);
|
|
window_x11->visible = TRUE;
|
|
}
|
|
|
|
if (window_x11->parent_win) {
|
|
XWindowAttributes attr_parent;
|
|
XGetWindowAttributes (window_x11->disp_send, window_x11->parent_win,
|
|
&attr_parent);
|
|
|
|
if (attr.width != attr_parent.width || attr.height != attr_parent.height) {
|
|
XMoveResizeWindow (window_x11->disp_send, window_x11->internal_win_id,
|
|
0, 0, attr_parent.width, attr_parent.height);
|
|
XSync (window_x11->disp_send, FALSE);
|
|
|
|
attr.width = attr_parent.width;
|
|
attr.height = attr_parent.height;
|
|
|
|
GST_LOG ("parent resize: %d, %d",
|
|
attr_parent.width, attr_parent.height);
|
|
}
|
|
}
|
|
|
|
event.xexpose.type = Expose;
|
|
event.xexpose.send_event = TRUE;
|
|
event.xexpose.display = window_x11->disp_send;
|
|
event.xexpose.window = window_x11->internal_win_id;
|
|
event.xexpose.x = attr.x;
|
|
event.xexpose.y = attr.y;
|
|
event.xexpose.width = attr.width;
|
|
event.xexpose.height = attr.height;
|
|
event.xexpose.count = 0;
|
|
|
|
XSendEvent (window_x11->disp_send, window_x11->internal_win_id, FALSE,
|
|
ExposureMask, &event);
|
|
XSync (window_x11->disp_send, FALSE);
|
|
|
|
g_mutex_unlock (&window_x11->disp_send_lock);
|
|
}
|
|
}
|
|
|
|
void
|
|
gst_gl_window_x11_run (GstGLWindow * window)
|
|
{
|
|
GstGLWindowX11 *window_x11;
|
|
|
|
window_x11 = GST_GL_WINDOW_X11 (window);
|
|
|
|
g_main_loop_run (window_x11->loop);
|
|
}
|
|
|
|
static inline gchar *
|
|
event_type_to_string (guint type)
|
|
{
|
|
switch (type) {
|
|
case CreateNotify:
|
|
return "CreateNotify";
|
|
case ConfigureNotify:
|
|
return "ConfigureNotify";
|
|
case DestroyNotify:
|
|
return "DestroyNotify";
|
|
case MapNotify:
|
|
return "MapNotify";
|
|
case UnmapNotify:
|
|
return "UnmapNotify";
|
|
case Expose:
|
|
return "Expose";
|
|
case VisibilityNotify:
|
|
return "VisibilityNotify";
|
|
case PropertyNotify:
|
|
return "PropertyNotify";
|
|
case SelectionClear:
|
|
return "SelectionClear";
|
|
case SelectionNotify:
|
|
return "SelectionNotify";
|
|
case SelectionRequest:
|
|
return "SelectionRequest";
|
|
case ClientMessage:
|
|
return "ClientMessage";
|
|
default:
|
|
return "unknown";
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
gst_gl_window_x11_handle_event (GstGLWindowX11 * window_x11)
|
|
{
|
|
GstGLContext *context;
|
|
GstGLContextClass *context_class;
|
|
GstGLWindow *window;
|
|
|
|
gboolean ret = TRUE;
|
|
|
|
window = GST_GL_WINDOW (window_x11);
|
|
|
|
if (g_main_loop_is_running (window_x11->loop)
|
|
&& XPending (window_x11->device)) {
|
|
XEvent event;
|
|
|
|
/* XSendEvent (which are called in other threads) are done from another display structure */
|
|
XNextEvent (window_x11->device, &event);
|
|
|
|
window_x11->allow_extra_expose_events = XPending (window_x11->device) <= 2;
|
|
|
|
GST_LOG ("got event %s", event_type_to_string (event.type));
|
|
|
|
switch (event.type) {
|
|
case ClientMessage:
|
|
{
|
|
Atom wm_delete =
|
|
XInternAtom (window_x11->device, "WM_DELETE_WINDOW", True);
|
|
|
|
if (wm_delete == None)
|
|
GST_DEBUG ("Cannot create WM_DELETE_WINDOW");
|
|
|
|
/* User clicked on the cross */
|
|
if (wm_delete != None && (Atom) event.xclient.data.l[0] == wm_delete) {
|
|
GST_DEBUG ("Close %lud", (gulong) window_x11->internal_win_id);
|
|
|
|
if (window->close)
|
|
window->close (window->close_data);
|
|
|
|
ret = FALSE;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case CreateNotify:
|
|
case ConfigureNotify:
|
|
{
|
|
if (window->resize)
|
|
window->resize (window->resize_data, event.xconfigure.width,
|
|
event.xconfigure.height);
|
|
break;
|
|
}
|
|
|
|
case DestroyNotify:
|
|
break;
|
|
|
|
case Expose:
|
|
if (window->draw) {
|
|
context = gst_gl_window_get_context (window);
|
|
context_class = GST_GL_CONTEXT_GET_CLASS (context);
|
|
|
|
window->draw (window->draw_data);
|
|
context_class->swap_buffers (context);
|
|
|
|
gst_object_unref (context);
|
|
}
|
|
break;
|
|
|
|
case VisibilityNotify:
|
|
{
|
|
switch (event.xvisibility.state) {
|
|
case VisibilityUnobscured:
|
|
if (window->draw)
|
|
window->draw (window->draw_data);
|
|
break;
|
|
|
|
case VisibilityPartiallyObscured:
|
|
if (window->draw)
|
|
window->draw (window->draw_data);
|
|
break;
|
|
|
|
case VisibilityFullyObscured:
|
|
break;
|
|
|
|
default:
|
|
GST_DEBUG ("unknown xvisibility event: %d",
|
|
event.xvisibility.state);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
GST_DEBUG ("unknown XEvent type: %u", event.type);
|
|
break;
|
|
|
|
} // switch
|
|
} // while running
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Not called by the gl thread */
|
|
void
|
|
gst_gl_window_x11_quit (GstGLWindow * window)
|
|
{
|
|
GstGLWindowX11 *window_x11;
|
|
|
|
window_x11 = GST_GL_WINDOW_X11 (window);
|
|
|
|
GST_LOG ("sending quit");
|
|
|
|
g_main_loop_quit (window_x11->loop);
|
|
|
|
GST_LOG ("quit sent");
|
|
}
|
|
|
|
typedef struct _GstGLMessage
|
|
{
|
|
GstGLWindowCB callback;
|
|
gpointer data;
|
|
GDestroyNotify destroy;
|
|
} GstGLMessage;
|
|
|
|
static gboolean
|
|
_run_message (GstGLMessage * message)
|
|
{
|
|
if (message->callback)
|
|
message->callback (message->data);
|
|
|
|
if (message->destroy)
|
|
message->destroy (message->data);
|
|
|
|
g_slice_free (GstGLMessage, message);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
void
|
|
gst_gl_window_x11_send_message_async (GstGLWindow * window,
|
|
GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
|
|
{
|
|
GstGLWindowX11 *window_x11;
|
|
GstGLMessage *message;
|
|
|
|
window_x11 = GST_GL_WINDOW_X11 (window);
|
|
message = g_slice_new (GstGLMessage);
|
|
|
|
message->callback = callback;
|
|
message->data = data;
|
|
message->destroy = destroy;
|
|
|
|
g_main_context_invoke (window_x11->main_context, (GSourceFunc) _run_message,
|
|
message);
|
|
}
|
|
|
|
static int
|
|
error_handler (Display * xdpy, XErrorEvent * error)
|
|
{
|
|
TrappedErrorCode = error->error_code;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* gst_gl_window_x11_trap_x_errors:
|
|
*
|
|
* Traps every X error until gst_gl_window_x11_untrap_x_errors() is called.
|
|
*/
|
|
void
|
|
gst_gl_window_x11_trap_x_errors (void)
|
|
{
|
|
TrappedErrorCode = 0;
|
|
old_error_handler = XSetErrorHandler (error_handler);
|
|
}
|
|
|
|
/**
|
|
* gst_gl_window_x11_untrap_x_errors:
|
|
*
|
|
* Removes the X error trap and returns the current status.
|
|
*
|
|
* Return value: the trapped error code, or 0 for success
|
|
*/
|
|
gint
|
|
gst_gl_window_x11_untrap_x_errors (void)
|
|
{
|
|
XSetErrorHandler (old_error_handler);
|
|
|
|
return TrappedErrorCode;
|
|
}
|
|
|
|
guintptr
|
|
gst_gl_window_x11_get_display (GstGLWindow * window)
|
|
{
|
|
GstGLWindowX11 *window_x11;
|
|
|
|
window_x11 = GST_GL_WINDOW_X11 (window);
|
|
|
|
return (guintptr) window_x11->device;
|
|
}
|