gstreamer/tests/examples/ges-ui.c

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/* GStreamer Editing Services
* Copyright (C) 2010 Brandon Lewis <brandon.lewis@collabora.co.uk>
* 2010 Nokia Corporation
*
* 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.
*/
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#include <gtk/gtk.h>
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#include <glib.h>
#include <ges/ges.h>
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typedef struct App
{
GESTimeline *timeline;
GESTimelinePipeline *pipeline;
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GESTimelineLayer *layer;
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GtkWidget *main_window;
} App;
App *app_new (void);
void app_dispose (App * app);
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void window_destroy_cb (GtkObject * window, App * app);
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void quit_item_activate_cb (GtkMenuItem * item, App * app);
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void delete_item_activate_cb (GtkMenuItem * item, App * app);
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void add_file_item_activate_cb (GtkMenuItem * item, App * app);
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GtkWidget *create_ui (App * app);
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/* signal handlers **********************************************************/
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void
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window_destroy_cb (GtkObject * window, App * app)
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{
gtk_main_quit ();
}
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void
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quit_item_activate_cb (GtkMenuItem * item, App * app)
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{
gtk_main_quit ();
}
void
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delete_item_activate_cb (GtkMenuItem * item, App * app)
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{
g_print ("beleted!");
}
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void
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add_file_item_activate_cb (GtkMenuItem * item, App * app)
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{
g_print ("add file");
}
/* application methods ******************************************************/
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App *
app_new (void)
{
App *ret;
ret = g_new0 (App, 1);
if (!ret)
return NULL;
if (!(ret->timeline = ges_timeline_new_audio_video ()))
goto fail;
if (!(ret->pipeline = ges_timeline_pipeline_new ()))
goto fail;
if (!ges_timeline_pipeline_add_timeline (ret->pipeline, ret->timeline))
goto fail;
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if (!(ret->layer = (GESTimelineLayer *) ges_simple_timeline_layer_new ()))
goto fail;
if (!(ges_timeline_add_layer (ret->timeline, ret->layer)))
goto fail;
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if (!(ret->main_window = create_ui (ret)))
goto fail;
return ret;
fail:
app_dispose (ret);
return NULL;
}
void
app_dispose (App * app)
{
if (app) {
if (app->pipeline)
gst_object_unref (app->pipeline);
g_free (app);
}
}
/* Layout *******************************************************************/
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GtkWidget *
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create_ui (App * app)
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{
GtkBuilder *builder;
GtkWidget *window;
builder = gtk_builder_new ();
gtk_builder_add_from_file (builder, "ges-ui.glade", NULL);
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
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gtk_builder_connect_signals (builder, app);
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g_object_unref (G_OBJECT (builder));
gtk_widget_show (window);
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return window;
}
/* main *********************************************************************/
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int
main (int argc, char *argv[])
{
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App *app;
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/* intialize GStreamer and GES */
if (!g_thread_supported ())
g_thread_init (NULL);
gst_init (&argc, &argv);
ges_init ();
/* initialize UI */
gtk_init (&argc, &argv);
if ((app = app_new ())) {
gtk_main ();
app_dispose (app);
}
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return 0;
}