gstreamer/tests/icles/stress-xoverlay.c

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/* GStreamer
* Copyright (C) <2005> Julien Moutte <julien@moutte.net>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/interfaces/xoverlay.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <math.h>
#include <sys/time.h>
static GMainLoop *loop;
static Display *disp;
static Window root, win = 0;
static GC gc;
static gint width = 320, height = 240, x = 0, y = 0;
static gint disp_width, disp_height;
static inline long
myclock ()
{
struct timeval tv;
gettimeofday (&tv, NULL);
return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
}
static void
open_display (void)
{
gint screen_num;
disp = XOpenDisplay (NULL);
root = DefaultRootWindow (disp);
screen_num = DefaultScreen (disp);
disp_width = DisplayWidth (disp, screen_num);
disp_height = DisplayHeight (disp, screen_num);
}
static void
close_display (void)
{
XCloseDisplay (disp);
}
static gboolean
resize_window (GstPipeline * pipeline)
{
width = (sin (myclock () / 300.0) * 200) + 640;
height = (sin (myclock () / 300.0) * 200) + 480;
XResizeWindow (disp, win, width, height);
XSync (disp, FALSE);
return TRUE;
}
static gboolean
move_window (GstPipeline * pipeline)
{
x += 5;
y = disp_height - height + (sin (myclock () / 300.0) * height);
if (x > disp_width)
x = 0;
XMoveWindow (disp, win, x, y);
XSync (disp, FALSE);
return TRUE;
}
static gboolean
toggle_events (GstXOverlay * ov)
{
static gboolean events_toggled;
gst_x_overlay_handle_events (ov, events_toggled);
if (events_toggled) {
g_print ("Events are handled\n");
events_toggled = FALSE;
} else {
g_print ("Events are NOT handled\n");
events_toggled = TRUE;
}
return TRUE;
}
static gboolean
cycle_window (GstXOverlay * ov)
{
XGCValues values;
Window old_win = win;
GC old_gc = gc;
win = XCreateSimpleWindow (disp, root, 0, 0, width, height, 0, 0, 0);
XSetWindowBackgroundPixmap (disp, win, None);
gc = XCreateGC (disp, win, 0, &values);
XMapRaised (disp, win);
XSync (disp, FALSE);
gst_x_overlay_set_xwindow_id (ov, win);
if (old_win) {
XDestroyWindow (disp, old_win);
XFreeGC (disp, old_gc);
XSync (disp, FALSE);
}
return TRUE;
}
static GstBusSyncReply
create_window (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
{
const GstStructure *s;
GstXOverlay *ov = NULL;
s = gst_message_get_structure (message);
if (!gst_structure_has_name (s, "prepare-xwindow-id")) {
return GST_BUS_PASS;
}
ov = GST_X_OVERLAY (GST_MESSAGE_SRC (message));
g_print ("Creating our own window\n");
cycle_window (ov);
g_timeout_add (50, (GSourceFunc) resize_window, pipeline);
g_timeout_add (50, (GSourceFunc) move_window, pipeline);
g_timeout_add (100, (GSourceFunc) cycle_window, ov);
g_timeout_add (2000, (GSourceFunc) toggle_events, ov);
return GST_BUS_DROP;
}
#if 0
static gboolean
terminate_playback (GstElement * pipeline)
{
g_print ("Terminating playback\n");
g_main_loop_quit (loop);
return FALSE;
}
#endif
static gboolean
pause_playback (GstElement * pipeline)
{
g_print ("Pausing playback\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
return FALSE;
}
static gboolean
start_playback (GstElement * pipeline)
{
g_print ("Starting playback\n");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
return FALSE;
}
int
main (int argc, char **argv)
{
GstElement *pipeline;
GstBus *bus;
#ifndef GST_DISABLE_PARSE
GError *error = NULL;
#endif
gst_init (&argc, &argv);
if (argc != 2) {
g_print ("Usage: %s \"pipeline description with launch format\"\n",
argv[0]);
g_print ("The pipeline should contain an element implementing XOverlay.\n");
g_print ("Example: %s \"videotestsrc ! ximagesink\"\n", argv[0]);
return -1;
}
#ifdef GST_DISABLE_PARSE
g_print ("GStreamer was built without pipeline parsing capabilities.\n");
g_print
("Please rebuild GStreamer with pipeline parsing capabilities activated to use this example.\n");
return 1;
#else
pipeline = gst_parse_launch (argv[1], &error);
if (error) {
g_print ("Error while parsing pipeline description: %s\n", error->message);
return -1;
}
#endif
loop = g_main_loop_new (NULL, FALSE);
open_display ();
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_set_sync_handler (bus, (GstBusSyncHandler) create_window, pipeline);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
/* We want to get out after */
//g_timeout_add (500000, (GSourceFunc) terminate_playback, pipeline);
g_timeout_add (10000, (GSourceFunc) pause_playback, pipeline);
g_timeout_add (20000, (GSourceFunc) start_playback, pipeline);
g_main_loop_run (loop);
close_display ();
g_main_loop_unref (loop);
return 0;
}