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examples: gl: remove bitrotten clutter examples

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=797173
This commit is contained in:
Tim-Philipp Müller 2018-10-07 19:09:24 +01:00
parent a85a59e4a8
commit 85c484a510
11 changed files with 1 additions and 985 deletions
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1
configure.ac
View file

@ -1026,7 +1026,6 @@ tests/examples/gl/gtk/filternovideooverlay/Makefile
tests/examples/gl/gtk/filtervideooverlay/Makefile
tests/examples/gl/cocoa/Makefile
tests/examples/gl/sdl/Makefile
tests/examples/gl/clutter/Makefile
tests/examples/overlay/Makefile
tests/examples/seek/Makefile
tests/examples/snapshot/Makefile

33
m4/gst-gl.m4
View file

@ -1120,45 +1120,12 @@ dnl --------------------------------------------------------------------------
AC_DEFUN([AG_GST_GL_EXAMPLES_CHECKS],
[
dnl clutter is optional and used in examples
HAVE_CLUTTER=no
HAVE_CLUTTER_X11=no
HAVE_CLUTTER_GLX=no
if test "x$BUILD_EXAMPLES" = "xyes"; then
PKG_CHECK_MODULES(CLUTTER, clutter-1.0 >= 1.8, HAVE_CLUTTER=yes, HAVE_CLUTTER=no)
AC_SUBST(CLUTTER_LIBS)
AC_SUBST(CLUTTER_CFLAGS)
AC_SUBST(HAVE_CLUTTER)
PKG_CHECK_MODULES(CLUTTER_GLX, clutter-glx-1.0 >= 1.8, HAVE_CLUTTER_GLX=yes, HAVE_CLUTTER_GLX=no)
AC_SUBST(CLUTTER_GLX_LIBS)
AC_SUBST(CLUTTER_GLX_CFLAGS)
AC_SUBST(HAVE_CLUTTER_GLX)
PKG_CHECK_MODULES(CLUTTER_X11, clutter-x11-1.0 >= 1.8, HAVE_CLUTTER_X11=yes, HAVE_CLUTTER_X11=no)
AC_SUBST(CLUTTER_X11_LIBS)
AC_SUBST(CLUTTER_X11_CFLAGS)
AC_SUBST(HAVE_CLUTTER_X11)
fi
AM_CONDITIONAL(HAVE_CLUTTER, test "x$HAVE_CLUTTER" = "xyes")
AM_CONDITIONAL(HAVE_CLUTTER_GLX, test "x$HAVE_CLUTTER_GLX" = "xyes")
AM_CONDITIONAL(HAVE_CLUTTER_X11, test "x$HAVE_CLUTTER_X11" = "xyes")
dnl used in the gl/clutteractor example
if test "x$BUILD_EXAMPLES" = "xyes"; then
PKG_CHECK_MODULES(XCOMPOSITE, xcomposite, HAVE_XCOMPOSITE=yes, HAVE_XCOMPOSITE=no)
AC_SUBST(XCOMPOSITE_CFLAGS)
AC_SUBST(XCOMPOSITE_LIBS)
fi
AM_CONDITIONAL(HAVE_XCOMPOSITE, test "x$HAVE_XCOMPOSITE" = "xyes")
dnl sdl is optional and used in examples
HAVE_SDL=NO
if test "x$BUILD_EXAMPLES" = "xyes"; then
PKG_CHECK_MODULES(SDL, sdl >= 1.2.0, HAVE_SDL=yes, HAVE_SDL=no)
AC_SUBST(SDL_LIBS)
AC_SUBST(SDL_CFLAGS)
AC_SUBST(SDL_CLUTTER)
fi
AM_CONDITIONAL(HAVE_SDL, test "x$HAVE_SDL" = "xyes")

6
tests/examples/gl/Makefile.am
View file

@ -9,10 +9,6 @@ else
SUBDIRS += generic qt
if HAVE_CLUTTER
SUBDIRS += clutter
endif
if HAVE_SDL
SUBDIRS += sdl
endif
@ -25,6 +21,6 @@ endif
endif
DIST_SUBDIRS=cocoa generic qt clutter sdl gtk
DIST_SUBDIRS=cocoa generic qt sdl gtk
include $(top_srcdir)/common/parallel-subdirs.mak

3
tests/examples/gl/clutter/.gitignore vendored
View file

@ -1,3 +0,0 @@
clutteractor
clutteractortee
cluttershare

52
tests/examples/gl/clutter/Makefile.am
View file

@ -1,52 +0,0 @@
noinst_PROGRAMS = ##
#works on win32 and X
if HAVE_CLUTTER
noinst_PROGRAMS += cluttershare
cluttershare_SOURCES = cluttershare.c
cluttershare_CFLAGS= \
$(GST_PLUGINS_BASE_CFLAGS) \
$(GST_CFLAGS) $(GL_CFLAGS) $(CLUTTER_CFLAGS)
cluttershare_LDADD= \
$(top_builddir)/gst-libs/gst/gl/libgstgl-@GST_API_VERSION@.la \
$(top_builddir)/gst-libs/gst/video/libgstvideo-@GST_API_VERSION@.la \
$(GST_LIBS) $(GL_LIBS) $(CLUTTER_LIBS)
endif
if HAVE_CLUTTER_GLX
if HAVE_CLUTTER_X11
if HAVE_XCOMPOSITE
noinst_PROGRAMS += clutteractor clutteractortee
clutteractor_SOURCES = clutteractor.c
clutteractor_CFLAGS= \
$(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) \
$(GL_CFLAGS) $(CLUTTER_CFLAGS) \
$(CLUTTER_GLX_CFLAGS) $(CLUTTER_X11_CFLAGS) $(XCOMPOSITE_CFLAGS)
clutteractor_LDADD= \
$(top_builddir)/gst-libs/gst/video/libgstvideo-@GST_API_VERSION@.la \
$(GST_LIBS) $(GL_LIBS) \
$(CLUTTER_LIBS) $(CLUTTER_GLX_LIBS) $(CLUTTER_X11_LIBS) \
$(XCOMPOSITE_LIBS)
clutteractortee_SOURCES = clutteractortee.c
clutteractortee_CFLAGS= \
$(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) \
$(GL_CFLAGS) $(CLUTTER_CFLAGS) \
$(CLUTTER_GLX_CFLAGS) $(CLUTTER_X11_CFLAGS) $(XCOMPOSITE_CFLAGS)
clutteractortee_LDADD= \
$(top_builddir)/gst-libs/gst/video/libgstvideo-@GST_API_VERSION@.la \
$(GST_LIBS) $(GL_LIBS) \
$(CLUTTER_LIBS) $(CLUTTER_GLX_LIBS) $(CLUTTER_X11_LIBS) \
$(XCOMPOSITE_LIBS)
endif
endif
endif

179
tests/examples/gl/clutter/clutteractor.c
View file

@ -1,179 +0,0 @@
/*
* 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_X11_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_object_unref (bus);
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;
}

232
tests/examples/gl/clutter/clutteractortee.c
View file

@ -1,232 +0,0 @@
/*
* 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 GLIB_DISABLE_DEPRECATION_WARNINGS
#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 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_X11_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 > (COLS - 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;
// 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_mutex_lock (&mutex);
if (count < N_ACTORS) {
g_message ("adding actor %d", count);
gst_video_overlay_set_window_handle (GST_VIDEO_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], *sink[N_ACTORS];
GstElement *upload[N_ACTORS];
/*
GstElement *effect[N_ACTORS];
*/
ClutterActor *stage;
GstGLClutterActor *actor[N_ACTORS];
Display *disp;
Window stage_win;
const gchar *desc;
gint i;
gint ok = FALSE;
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 * COLS + (COLS - 1), H * ROWS + (ROWS - 1));
stage_win = clutter_x11_get_stage_window (CLUTTER_STAGE (stage));
XCompositeRedirectSubwindows (disp, stage_win, CompositeRedirectManual);
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);
XMapRaised (disp, actor[i]->win);
XSync (disp, FALSE);
}
/*
desc = g_strdup_printf ("v4l2src ! "
"video/x-raw, width=640, height=480, framerate=30/1 ! "
"videoscale !"
"video/x-raw, width=%d, height=%d ! "
"identity", W, H);
*/
desc = g_strdup_printf ("videotestsrc ! "
"video/x-raw, format=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_bin_add_many (GST_BIN (pipeline), queue[i], upload[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],
gst_element_link_many (tee, queue[i], upload[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,
NULL);
gst_object_unref (bus);
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;
}

383
tests/examples/gl/clutter/cluttershare.c
View file

@ -1,383 +0,0 @@
/*
* GStreamer
* Copyright (C) 2009 Julien Isorce <julien.isorce@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 <GL/gl.h>
#define CLUTTER_VERSION_MIN_REQUIRED CLUTTER_VERSION_1_8
#define CLUTTER_VERSION_MAX_ALLOWED CLUTTER_VERSION_1_10
#define COGL_VERSION_MIN_REQUIRED COGL_VERSION_ENCODE (1, 16, 0)
#define COGL_VERSION_MAX_ALLOWED COGL_VERSION_ENCODE (1, 18, 0)
#include <clutter/clutter.h>
#ifndef WIN32
#include <clutter/x11/clutter-x11.h>
#include <GL/glx.h>
#endif
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideometa.h>
#include <gst/gl/gl.h>
/* This example shows how to use textures that come from a
* gst-plugins-gl pipeline, into the clutter framework
* It requires at least clutter 0.8.6
*/
/* rotation */
static void
on_new_frame (ClutterTimeline * timeline, gint msecs, gpointer data)
{
ClutterActor *rect_actor = CLUTTER_ACTOR (data);
ClutterActor *texture_actor =
g_object_get_data (G_OBJECT (timeline), "texture_actor");
clutter_actor_set_rotation (rect_actor, CLUTTER_Z_AXIS,
60.0 * (gdouble) msecs / 1000.0, clutter_actor_get_width (rect_actor) / 2,
clutter_actor_get_height (rect_actor) / 2, 0);
clutter_actor_set_rotation (texture_actor, CLUTTER_Z_AXIS,
60.0 * (gdouble) msecs / 1000.0,
clutter_actor_get_width (texture_actor) / 6,
clutter_actor_get_height (texture_actor) / 6, 0);
}
/* clutter scene */
static ClutterActor *
setup_stage (ClutterStage * stage)
{
ClutterTimeline *timeline = NULL;
ClutterActor *texture_actor = NULL;
ClutterColor rect_color = { 125, 50, 200, 255 };
ClutterActor *rect_actor = NULL;
/* texture actor */
texture_actor = clutter_texture_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (stage), texture_actor);
clutter_actor_set_position (texture_actor, 300, 170);
clutter_actor_set_scale (texture_actor, 0.6, 0.6);
clutter_actor_show (texture_actor);
g_object_set_data (G_OBJECT (texture_actor), "stage", stage);
/* rectangle actor */
rect_actor = clutter_rectangle_new_with_color (&rect_color);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect_actor);
clutter_actor_set_size (rect_actor, 50, 50);
clutter_actor_set_position (rect_actor, 300, 300);
clutter_actor_show (rect_actor);
/* timeline */
timeline = clutter_timeline_new (6000);
g_object_set_data (G_OBJECT (timeline), "texture_actor", texture_actor);
clutter_timeline_set_loop (timeline, TRUE);
clutter_timeline_start (timeline);
g_signal_connect (timeline, "new-frame", G_CALLBACK (on_new_frame),
rect_actor);
return texture_actor;
}
/* put a gst gl buffer in the texture actor */
static gboolean
update_texture_actor (gpointer data)
{
ClutterTexture *texture_actor = (ClutterTexture *) data;
GAsyncQueue *queue_input_buf =
g_object_get_data (G_OBJECT (texture_actor), "queue_input_buf");
GAsyncQueue *queue_output_buf =
g_object_get_data (G_OBJECT (texture_actor), "queue_output_buf");
GstBuffer *inbuf = g_async_queue_pop (queue_input_buf);
ClutterActor *stage = g_object_get_data (G_OBJECT (texture_actor), "stage");
CoglHandle cogl_texture = 0;
GstVideoMeta *v_meta;
GstVideoInfo info;
GstVideoFrame frame;
guint tex_id;
v_meta = gst_buffer_get_video_meta (inbuf);
if (!v_meta) {
g_warning ("Required Meta was not found on buffers");
return FALSE;
}
gst_video_info_set_format (&info, v_meta->format, v_meta->width,
v_meta->height);
if (!gst_video_frame_map (&frame, &info, inbuf, GST_MAP_READ | GST_MAP_GL)) {
g_warning ("Failed to map video frame");
return FALSE;
}
if (!gst_is_gl_memory (frame.map[0].memory)) {
g_warning ("Input buffer does not have GLMemory");
gst_video_frame_unmap (&frame);
return FALSE;
}
tex_id = *(guint *) frame.data[0];
/* Create a cogl texture from the gst gl texture */
glEnable (GL_TEXTURE_2D);
glBindTexture (GL_TEXTURE_2D, tex_id);
if (glGetError () != GL_NO_ERROR)
g_debug ("failed to bind texture that comes from gst-gl\n");
cogl_texture = cogl_texture_new_from_foreign (tex_id,
GL_TEXTURE_2D, v_meta->width, v_meta->height, 0, 0,
COGL_PIXEL_FORMAT_RGBA_8888);
glBindTexture (GL_TEXTURE_2D, 0);
gst_video_frame_unmap (&frame);
/* Previous cogl texture is replaced and so its ref counter discreases to 0.
* According to the source code, glDeleteTexture is not called when the previous
* ref counter of the previous cogl texture is reaching 0 because is_foreign is TRUE */
clutter_texture_set_cogl_texture (CLUTTER_TEXTURE (texture_actor),
cogl_texture);
cogl_handle_unref (cogl_texture);
/* we can now show the clutter scene if not yet visible */
if (!CLUTTER_ACTOR_IS_VISIBLE (stage))
clutter_actor_show_all (stage);
/* push buffer so it can be unref later */
g_async_queue_push (queue_output_buf, inbuf);
return FALSE;
}
/* fakesink handoff callback */
static void
on_gst_buffer (GstElement * element, GstBuffer * buf, GstPad * pad,
ClutterActor * texture_actor)
{
GAsyncQueue *queue_input_buf = NULL;
GAsyncQueue *queue_output_buf = NULL;
/* ref then push buffer to use it in clutter */
gst_buffer_ref (buf);
queue_input_buf =
g_object_get_data (G_OBJECT (texture_actor), "queue_input_buf");
g_async_queue_push (queue_input_buf, buf);
if (g_async_queue_length (queue_input_buf) > 2)
clutter_threads_add_idle_full (G_PRIORITY_HIGH, update_texture_actor,
texture_actor, NULL);
/* pop then unref buffer we have finished to use in clutter */
queue_output_buf =
g_object_get_data (G_OBJECT (texture_actor), "queue_output_buf");
if (g_async_queue_length (queue_output_buf) > 2) {
GstBuffer *buf_old = g_async_queue_pop (queue_output_buf);
gst_buffer_unref (buf_old);
}
}
/* gst bus signal watch callback */
static void
end_stream_cb (GstBus * bus, GstMessage * msg, gpointer data)
{
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_EOS:
g_print ("End-of-stream\n");
g_print
("For more information, try to run: GST_DEBUG=gldisplay:2 ./cluttershare\n");
break;
case GST_MESSAGE_ERROR:
{
gchar *debug = NULL;
GError *err = NULL;
gst_message_parse_error (msg, &err, &debug);
g_print ("Error: %s\n", err->message);
g_error_free (err);
if (debug) {
g_print ("Debug deails: %s\n", debug);
g_free (debug);
}
break;
}
default:
break;
}
clutter_main_quit ();
}
int
main (int argc, char *argv[])
{
ClutterInitError clutter_err = CLUTTER_INIT_ERROR_UNKNOWN;
#ifdef WIN32
HGLRC clutter_gl_context = 0;
HDC clutter_dc = 0;
#else
Display *clutter_display = NULL;
Window clutter_win = 0;
GLXContext clutter_gl_context = NULL;
#endif
GstPipeline *pipeline = NULL;
GstBus *bus = NULL;
GstElement *glfilter = NULL;
GstState state = 0;
ClutterActor *stage = NULL;
ClutterActor *clutter_texture = NULL;
GAsyncQueue *queue_input_buf = NULL;
GAsyncQueue *queue_output_buf = NULL;
GstElement *fakesink = NULL;
/* init gstreamer then clutter */
gst_init (&argc, &argv);
clutter_threads_init ();
clutter_err = clutter_init (&argc, &argv);
if (clutter_err != CLUTTER_INIT_SUCCESS)
g_warning ("Failed to initalize clutter: %d\n", clutter_err);
clutter_threads_enter ();
g_print ("clutter version: %s\n", CLUTTER_VERSION_S);
clutter_set_default_frame_rate (2);
/* avoid to dispatch unecesary events */
clutter_ungrab_keyboard ();
clutter_ungrab_pointer ();
/* retrieve and turn off clutter opengl context */
stage = clutter_stage_get_default ();
#ifdef WIN32
clutter_gl_context = wglGetCurrentContext ();
clutter_dc = wglGetCurrentDC ();
wglMakeCurrent (0, 0);
#else
clutter_display = clutter_x11_get_default_display ();
clutter_win = clutter_x11_get_stage_window (CLUTTER_STAGE (stage));
clutter_gl_context = glXGetCurrentContext ();
glXMakeCurrent (clutter_display, None, 0);
#endif
/* setup gstreamer pipeline */
pipeline =
GST_PIPELINE (gst_parse_launch
("videotestsrc ! video/x-raw, width=320, height=240, framerate=(fraction)30/1 ! "
"gleffects effect=5 ! glfiltercube ! fakesink sync=1", NULL));
/* setup bus */
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message::error", G_CALLBACK (end_stream_cb), NULL);
g_signal_connect (bus, "message::warning", G_CALLBACK (end_stream_cb), NULL);
g_signal_connect (bus, "message::eos", G_CALLBACK (end_stream_cb), NULL);
gst_object_unref (bus);
/* clutter_gl_context is an external OpenGL context with which gst-plugins-gl want to share textures */
glfilter = gst_bin_get_by_name (GST_BIN (pipeline), "glfiltercube0");
g_object_set (G_OBJECT (glfilter), "external-opengl-context",
clutter_gl_context, NULL);
gst_object_unref (glfilter);
/* NULL to PAUSED state pipeline to make sure the gst opengl context is created and
* shared with the clutter one */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED);
state = GST_STATE_PAUSED;
if (gst_element_get_state (GST_ELEMENT (pipeline), &state, NULL,
GST_CLOCK_TIME_NONE) != GST_STATE_CHANGE_SUCCESS) {
g_debug ("failed to pause pipeline\n");
return -1;
}
/* turn on back clutter opengl context */
#ifdef WIN32
wglMakeCurrent (clutter_dc, clutter_gl_context);
#else
glXMakeCurrent (clutter_display, clutter_win, clutter_gl_context);
#endif
/* clutter stage */
clutter_actor_set_size (stage, 640, 480);
clutter_actor_set_position (stage, 0, 0);
clutter_stage_set_title (CLUTTER_STAGE (stage), "clutter and gst-plugins-gl");
clutter_texture = setup_stage (CLUTTER_STAGE (stage));
/* append a gst-gl texture to this queue when you do not need it no more */
queue_input_buf = g_async_queue_new ();
queue_output_buf = g_async_queue_new ();
g_object_set_data (G_OBJECT (clutter_texture), "queue_input_buf",
queue_input_buf);
g_object_set_data (G_OBJECT (clutter_texture), "queue_output_buf",
queue_output_buf);
/* set a callback to retrieve the gst gl textures */
fakesink = gst_bin_get_by_name (GST_BIN (pipeline), "fakesink0");
g_object_set (G_OBJECT (fakesink), "signal-handoffs", TRUE, NULL);
g_signal_connect (fakesink, "handoff", G_CALLBACK (on_gst_buffer),
clutter_texture);
gst_object_unref (fakesink);
/* play gst */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
/* main loop */
clutter_main ();
/* before to deinitialize the gst-gl-opengl context,
* no shared context (here the clutter one) must be current
*/
#ifdef WIN32
wglMakeCurrent (0, 0);
#else
glXMakeCurrent (clutter_display, None, 0);
#endif
clutter_threads_leave ();
/* stop and clean up the pipeline */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
gst_object_unref (pipeline);
/* make sure there is no pending gst gl buffer in the communication queues
* between clutter and gst-gl
*/
while (g_async_queue_length (queue_input_buf) > 0) {
GstBuffer *buf = g_async_queue_pop (queue_input_buf);
gst_buffer_unref (buf);
}
while (g_async_queue_length (queue_output_buf) > 0) {
GstBuffer *buf = g_async_queue_pop (queue_output_buf);
gst_buffer_unref (buf);
}
g_print ("END\n");
return 0;
}

76
tests/examples/gl/clutter/cluttershare.cbp
View file

@ -1,76 +0,0 @@
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<CodeBlocks_project_file>
<FileVersion major="1" minor="6" />
<Project>
<Option title="cluttershare" />
<Option pch_mode="2" />
<Option compiler="gcc" />
<Build>
<Target title="Debug">
<Option output="bin\Debug\cluttershare" prefix_auto="1" extension_auto="1" />
<Option object_output="obj\Debug\" />
<Option type="1" />
<Option compiler="gcc" />
<Compiler>
<Add option="-g" />
</Compiler>
</Target>
<Target title="Release">
<Option output="bin\Release\cluttershare" prefix_auto="1" extension_auto="1" />
<Option object_output="obj\Release\" />
<Option type="1" />
<Option compiler="gcc" />
<Compiler>
<Add option="-O2" />
</Compiler>
<Linker>
<Add option="-s" />
</Linker>
</Target>
</Build>
<Compiler>
<Add option="-Wall" />
<Add option="-ansi" />
<Add option="-std=c89" />
<Add option="-DWIN32" />
<Add directory="..\..\..\..\clutter\include\clutter-0.8" />
<Add directory="C:\gstreamer\include\glib-2.0" />
<Add directory="C:\gstreamer\lib\glib-2.0\include" />
<Add directory="C:\gstreamer\include\gstreamer-1.0" />
<Add directory="C:\gstreamer\include\pango-1.0" />
<Add directory="C:\gstreamer\include\cairo" />
<Add directory="C:\gstreamer\include\libxml2" />
<Add directory="C:\gstreamer\include" />
</Compiler>
<Linker>
<Add library="clutter-win32-0.8" />
<Add library="gio-2.0" />
<Add library="gthread-2.0" />
<Add library="gobject-2.0" />
<Add library="gstreamer-1.0" />
<Add library="gmodule-2.0" />
<Add library="gstvideo-1.0" />
<Add library="glib-2.0" />
<Add library="pangocairo-1.0" />
<Add library="pangowin32-1.0" />
<Add library="pango-1.0" />
<Add library="gdk_pixbuf-2.0" />
<Add library="cairo" />
<Add library="glu32" />
<Add library="opengl32" />
<Add library="gdi32" />
<Add library="winmm" />
<Add directory="..\..\..\..\clutter\lib" />
<Add directory="C:\gstreamer\lib" />
<Add directory="C:\gstreamer\bin" />
<Add directory="..\..\..\..\gtk+\lib" />
</Linker>
<Unit filename="cluttershare.c">
<Option compilerVar="CC" />
</Unit>
<Extensions>
<code_completion />
<debugger />
</Extensions>
</Project>
</CodeBlocks_project_file>

20
tests/examples/gl/clutter/meson.build
View file

@ -1,20 +0,0 @@
clutter_dep = dependency('clutter-1.0', version: '>= 1.8', required: get_option('examples'))
if clutter_dep.found()
# works on win32 and X
executable('cluttershare', 'cluttershare.c',
dependencies : [gstgl_dep, gl_dep, video_dep, clutter_dep],
install: false)
clutter_glx_dep = dependency('clutter-glx-1.0', version: '>= 1.8', required: get_option('examples'))
clutter_x11_dep = dependency('clutter-x11-1.0', version: '>= 1.8', required: get_option('examples'))
xcomposite_dep = dependency('xcomposite', required: get_option('examples'))
if clutter_glx_dep.found() and clutter_x11_dep.found() and xcomposite_dep.found()
executable('clutteractor', 'clutteractor.c',
dependencies : [gstgl_dep, gl_dep, video_dep, clutter_dep, clutter_glx_dep, clutter_x11_dep, xcomposite_dep],
install: false)
executable('clutteractortee', 'clutteractortee.c',
dependencies : [gstgl_dep, gl_dep, video_dep, clutter_dep, clutter_glx_dep, clutter_x11_dep, xcomposite_dep],
install: false)
endif
endif

1
tests/examples/gl/meson.build
View file

@ -1,4 +1,3 @@
subdir('clutter')
# FIXME: subdir('cocoa')
subdir('generic')
subdir('gtk', if_found : gtk_dep)