gstreamer/tests/examples/clutter/clutteractortee.c

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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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#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/interfaces/xoverlay.h>
#define ROWS 3
#define COLS 3
#define N_ACTORS ROWS*COLS
#define W 160
#define H 120
struct GstGLClutterActor_ {
Window win;
Window root;
ClutterActor *texture;
ClutterActor *stage;
};
typedef struct GstGLClutterActor_ GstGLClutterActor;
static gboolean
create_actor (GstGLClutterActor *actor) {
static gint xpos = 0;
static gint ypos = 0;
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_position (actor->texture, xpos, ypos);
if (xpos > (ROWS-1)*W) {
xpos = 0;
ypos += H+1;
} else
xpos += W+1;
clutter_actor_show (actor->texture);
return FALSE;
}
static GstBusSyncReply
create_window (GstBus * bus, GstMessage * message, gpointer data)
{
GstGLClutterActor **actor = (GstGLClutterActor **) data;
static gint count = 0;
static GMutex *mutex = NULL;
// ignore anything but 'prepare-xwindow-id' element messages
if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
return GST_BUS_PASS;
if (!gst_structure_has_name (message->structure, "prepare-xwindow-id"))
return GST_BUS_PASS;
if (!mutex)
mutex = g_mutex_new ();
g_mutex_lock (mutex);
if (count < N_ACTORS) {
g_message ("adding actor %d", count);
gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (GST_MESSAGE_SRC (message)),
actor[count]->win);
clutter_threads_add_idle ((GSourceFunc) create_actor, actor[count]);
count++;
}
g_mutex_unlock (mutex);
gst_message_unref (message);
return GST_BUS_DROP;
}
#if 0
void
apply_fx (GstElement *element, const gchar *fx)
{
GEnumClass *p_class;
/* from fxtest ;) */
/* heeeellppppp!! */
p_class =
G_PARAM_SPEC_ENUM (g_object_class_find_property (G_OBJECT_GET_CLASS
(G_OBJECT (data)), "effect")
)->enum_class;
g_print ("setting: %s - %s\n", fx, g_enum_get_value_by_nick (p_class,
fx)->value_name);
g_object_set (G_OBJECT (element), "effect", g_enum_get_value_by_nick (p_class,
fx)->value, NULL);
}
#endif
int
main (int argc, char *argv[])
{
GstPipeline *pipeline;
GstBus *bus;
GstElement *srcbin;
GstElement *tee;
GstElement *queue[N_ACTORS], *upload[N_ACTORS], *effect[N_ACTORS], *sink[N_ACTORS];
ClutterActor *stage;
GstGLClutterActor *actor[N_ACTORS];
Display *disp;
Window stage_win;
const gchar *desc;
gint i;
gint ok = FALSE;
clutter_init (&argc, &argv);
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*ROWS + (ROWS-1),
H*COLS + (COLS-1));
stage_win = clutter_x11_get_stage_window (CLUTTER_STAGE (stage));
for (i=0; i<N_ACTORS; i++) {
actor[i] = g_new0 (GstGLClutterActor, 1);
actor[i]->stage = stage;
actor[i]->win = XCreateSimpleWindow (disp, stage_win, 0, 0, W, H, 0, 0, 0);
XCompositeRedirectWindow (disp, actor[i]->win, CompositeRedirectManual);
XMapRaised (disp, actor[i]->win);
XSync (disp, FALSE);
}
/*
desc = g_strdup_printf ("v4l2src ! "
"video/x-raw-yuv, width=640, height=480, framerate=30/1 ! "
"videoscale !"
"video/x-raw-yuv, width=%d, height=%d ! "
"identity", W, H);
*/
desc = g_strdup_printf ("videotestsrc ! "
"video/x-raw-rgb, width=%d, height=%d !"
"identity", W, H);
pipeline = GST_PIPELINE (gst_pipeline_new (NULL));
srcbin = gst_parse_bin_from_description (desc, TRUE, NULL);
if (!srcbin) g_error ("Source bin creation failed");
tee = gst_element_factory_make ("tee", NULL);
gst_bin_add_many (GST_BIN (pipeline), srcbin, tee, NULL);
for (i=0; i<N_ACTORS; i++) {
queue[i] = gst_element_factory_make ("queue", NULL);
upload[i] = gst_element_factory_make ("glupload", NULL);
effect[i] = gst_element_factory_make ("gleffects", NULL);
sink[i] = gst_element_factory_make ("glimagesink", NULL);
gst_bin_add_many (GST_BIN (pipeline),
queue[i], upload[i], effect[i], sink[i], NULL);
}
gst_element_link_many (srcbin, tee, NULL);
for (i=0; i<N_ACTORS; i++) {
ok |= gst_element_link_many (tee, queue[i], upload[i], effect[i], sink[i], NULL);
}
if (!ok)
g_error ("Failed to link one or more elements");
for (i=0; i<N_ACTORS; i++) {
g_message ("setting effect %d on %s", i+1, gst_element_get_name (effect[i]));
g_object_set (G_OBJECT (effect[i]), "effect", i+1, NULL);
}
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_set_sync_handler (bus, (GstBusSyncHandler) create_window, actor);
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);
g_object_unref (pipeline);
return 0;
}