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/*
* GStreamer
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@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
#define CLUTTER_VERSION_MIN_REQUIRED CLUTTER_VERSION_1_8
#include <X11/Xlib.h>
#include <X11/extensions/Xcomposite.h>
#include <clutter/clutter.h>
#include <clutter/x11/clutter-x11.h>
#include <clutter/glx/clutter-glx.h>
#include <gst/gst.h>
#include <gst/video/videooverlay.h>
#define W 320
#define H 240
struct GstGLClutterActor_
{
Window win;
Window root;
ClutterActor *texture;
ClutterActor *stage;
};
typedef struct GstGLClutterActor_ GstGLClutterActor;
static gboolean
create_actor (GstGLClutterActor * actor)
{
//ClutterKnot knot[2];
//ClutterTimeline *timeline;
ClutterAnimation *animation = NULL;
actor->texture = g_object_new (CLUTTER_GLX_TYPE_TEXTURE_PIXMAP,
"window", actor->win, "automatic-updates", TRUE, NULL);
clutter_container_add_actor (CLUTTER_CONTAINER (actor->stage),
actor->texture);
clutter_actor_set_scale (actor->texture, 0.2, 0.2);
clutter_actor_set_opacity (actor->texture, 0);
clutter_actor_show (actor->texture);
//timeline =
// clutter_timeline_new (120 /* frames */ , 50 /* frames per second. */ );
//clutter_timeline_set_loop (timeline, TRUE);
//clutter_timeline_start (timeline);
/* Instead of our custom callback,
* we could use a standard callback. For instance, CLUTTER_ALPHA_SINE_INC.
*/
/*effect_template =
clutter_effect_template_new (timeline, CLUTTER_ALPHA_SINE_INC); */
animation =
clutter_actor_animate (actor->texture, CLUTTER_LINEAR, 2400,
"x", 100.0, "y", 100.0, "opacity", 0, NULL);
/* knot[0].x = -10;
knot[0].y = -10;
knot[1].x = 160;
knot[1].y = 120; */
// Move the actor along the path:
/* clutter_effect_path (effect_template, actor->texture, knot,
sizeof (knot) / sizeof (ClutterKnot), NULL, NULL);
clutter_effect_scale (effect_template, actor->texture, 1.0, 1.0, NULL, NULL);
clutter_effect_rotate (effect_template, actor->texture,
CLUTTER_Z_AXIS, 360.0, W / 2.0, H / 2.0, 0.0,
CLUTTER_ROTATE_CW, NULL, NULL);
clutter_effect_rotate (effect_template, actor->texture,
CLUTTER_X_AXIS, 360.0, 0.0, W / 4.0, 0.0, CLUTTER_ROTATE_CW, NULL, NULL); */
// Also change the actor's opacity while moving it along the path:
// (You would probably want to use a different ClutterEffectTemplate,
// so you could use a different alpha callback for this.)
//clutter_effect_fade (effect_template, actor->texture, 255, NULL, NULL);
g_object_unref (animation);
//g_object_unref (timeline);
return FALSE;
}
static GstBusSyncReply
create_window (GstBus * bus, GstMessage * message, gpointer data)
{
GstGLClutterActor *actor = (GstGLClutterActor *) data;
// ignore anything but 'prepare-window-handle' element messages
if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
return GST_BUS_PASS;
if (!gst_is_video_overlay_prepare_window_handle_message (message))
return GST_BUS_PASS;
g_debug ("CREATING WINDOW");
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (GST_MESSAGE_SRC
(message)), actor->win);
clutter_threads_add_idle ((GSourceFunc) create_actor, actor);
gst_message_unref (message);
return GST_BUS_DROP;
}
int
main (int argc, char *argv[])
{
GstPipeline *pipeline;
GstBus *bus;
ClutterActor *stage;
GstGLClutterActor *actor;
Display *disp;
Window stage_win;
ClutterInitError clutter_err = CLUTTER_INIT_ERROR_UNKNOWN;
clutter_err = clutter_init (&argc, &argv);
if (clutter_err != CLUTTER_INIT_SUCCESS)
g_warning ("Failed to initalize clutter: %d\n", clutter_err);
gst_init (&argc, &argv);
disp = clutter_x11_get_default_display ();
if (!clutter_x11_has_composite_extension ()) {
g_error ("XComposite extension missing");
}
stage = clutter_stage_get_default ();
// clutter_actor_set_size (CLUTTER_ACTOR (stage), W*3+2, H);
stage_win = clutter_x11_get_stage_window (CLUTTER_STAGE (stage));
actor = g_new0 (GstGLClutterActor, 1);
actor->stage = stage;
actor->win = XCreateSimpleWindow (disp, stage_win, 0, 0, W, H, 0, 0, 0);
XCompositeRedirectWindow (disp, actor->win, CompositeRedirectManual);
XMapRaised (disp, actor->win);
XSync (disp, FALSE);
pipeline =
GST_PIPELINE (gst_parse_launch
("videotestsrc ! video/x-raw, width=320, height=240, framerate=(fraction)30/1 ! "
"gleffects effect=twirl ! glimagesink", NULL));
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_set_sync_handler (bus, (GstBusSyncHandler) create_window, actor,
NULL);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
clutter_actor_show_all (stage);
clutter_main ();
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
gst_object_unref (pipeline);
return 0;
}
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