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/* GStreamer Editing Services
* Copyright (C) 2009 Edward Hervey <bilboed@bilboed.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.
*/
#include <ges/ges.h>
/* A simple timeline with 3 audio/video sources */
int
main (int argc, gchar ** argv)
{
GESAsset *src_asset;
GESPipeline *pipeline;
GESTimeline *timeline;
GESClip *source;
GESLayer *layer;
GMainLoop *mainloop;
/* Initialize GStreamer (this will parse environment variables and commandline
* arguments. */
gst_init (&argc, &argv);
/* Initialize the GStreamer Editing Services */
ges_init ();
/* Setup of a A/V timeline */
/* This is our main GESTimeline */
timeline = ges_timeline_new_audio_video ();
/* We are only going to be doing one layer of clips */
layer = ges_layer_new ();
/* Add the tracks and the layer to the timeline */
if (!ges_timeline_add_layer (timeline, layer))
return -1;
/* We create a simple asset able to extract GESTestClip */
src_asset = ges_asset_request (GES_TYPE_TEST_CLIP, NULL, NULL);
/* Add sources to our layer */
ges_layer_add_asset (layer, src_asset, 0, 0, GST_SECOND,
GES_TRACK_TYPE_UNKNOWN);
source = ges_layer_add_asset (layer, src_asset, GST_SECOND, 0,
GST_SECOND, GES_TRACK_TYPE_UNKNOWN);
g_object_set (source, "freq", 480.0, "vpattern", 2, NULL);
ges_layer_add_asset (layer, src_asset, 2 * GST_SECOND, 0,
GST_SECOND, GES_TRACK_TYPE_UNKNOWN);
/* In order to view our timeline, let's grab a convenience pipeline to put
* our timeline in. */
pipeline = ges_pipeline_new ();
/* Add the timeline to that pipeline */
if (!ges_pipeline_set_timeline (pipeline, timeline))
return -1;
/* The following is standard usage of a GStreamer pipeline (note how you haven't
* had to care about GStreamer so far ?).
*
* We set the pipeline to playing ... */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
/* .. and we start a GMainLoop. GES **REQUIRES** a GMainLoop to be running in
* order to function properly ! */
mainloop = g_main_loop_new (NULL, FALSE);
/* Simple code to have the mainloop shutdown after 4s */
g_timeout_add_seconds (4, (GSourceFunc) g_main_loop_quit, mainloop);
g_main_loop_run (mainloop);
return 0;
}
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