gstreamer/tests/examples/test1.c

/* 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <ges/ges.h>

/* A simple timeline with 3 video-only sources */

static gboolean
fill_videotestsrc (GESTimelineObject * object, GESTrackObject * trobject,
    GstElement * gnlobj, gpointer user_data)
{
  GstElement *vsrc;
  guint var = GPOINTER_TO_UINT (user_data);

  vsrc = gst_element_factory_make ("videotestsrc", NULL);
  g_object_set (vsrc, "pattern", var, NULL);

  return gst_bin_add (GST_BIN (gnlobj), vsrc);
}


int
main (int argc, gchar ** argv)
{
  GESTimelinePipeline *pipeline;
  GESTimeline *timeline;
  GESTrack *track;
  GESTimelineLayer *layer;
  GESCustomTimelineSource *src1, *src2, *src3;
  GMainLoop *mainloop;

  gst_init (&argc, &argv);

  ges_init ();

  pipeline = ges_timeline_pipeline_new ();
  timeline = ges_timeline_new ();
  track = ges_track_video_raw_new ();
  layer = ges_timeline_layer_new ();

  if (!ges_timeline_add_layer (timeline, layer))
    return -1;

  if (!ges_timeline_add_track (timeline, track))
    return -1;

  src1 =
      ges_custom_timeline_source_new (fill_videotestsrc, GUINT_TO_POINTER (0));
  g_object_set (src1, "start", 0, "duration", GST_SECOND, NULL);
  src2 =
      ges_custom_timeline_source_new (fill_videotestsrc, GUINT_TO_POINTER (1));
  g_object_set (src2, "start", GST_SECOND, "duration", GST_SECOND, NULL);
  src3 =
      ges_custom_timeline_source_new (fill_videotestsrc, GUINT_TO_POINTER (0));
  g_object_set (src3, "start", 2 * GST_SECOND, "duration", GST_SECOND, NULL);

  ges_timeline_layer_add_object (layer, (GESTimelineObject *) src1);
  ges_timeline_layer_add_object (layer, (GESTimelineObject *) src2);
  ges_timeline_layer_add_object (layer, (GESTimelineObject *) src3);

  if (!ges_timeline_pipeline_add_timeline (pipeline, timeline))
    return -1;

  gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);

  mainloop = g_main_loop_new (NULL, FALSE);
  g_timeout_add_seconds (4, (GSourceFunc) g_main_loop_quit, mainloop);
  g_main_loop_run (mainloop);

  return 0;
}