--- /dev/null
+/* GStreamer Editing Services
+ * Copyright (C) 2010 Brandon Lewis <brandon@alum.berkeley.edu>
+ *
+ * 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>
+
+typedef struct
+{
+ int type;
+ char *name;
+} transition_type;
+
+GESTimelineObject *make_source (char *path, guint64 start, guint64 duration,
+ gint priority);
+
+GESTimelineObject *make_overlay (char *text, guint64 start, guint64 duration,
+ gint priority);
+
+gboolean print_transition_data (GESTimelineObject * tr);
+
+GESTimelinePipeline *make_timeline (char *path, float duration, char *text);
+
+GESTimelineObject *
+make_source (char *path, guint64 start, guint64 duration, gint priority)
+{
+ char *uri = g_strdup_printf ("file://%s", path);
+
+ GESTimelineObject *ret =
+ GES_TIMELINE_OBJECT (ges_timeline_filesource_new (uri));
+
+ g_object_set (ret,
+ "start", (guint64) start,
+ "duration", (guint64) duration,
+ "priority", (guint32) priority, "in-point", (guint64) 0, NULL);
+
+ g_free (uri);
+
+ return ret;
+}
+
+GESTimelineObject *
+make_overlay (char *text, guint64 start, guint64 duration, gint priority)
+{
+ GESTimelineObject *ret = GES_TIMELINE_OBJECT (ges_timeline_overlay_new ());
+
+ g_object_set (ret,
+ "text", (gchar *) text,
+ "start", (guint64) start,
+ "duration", (guint64) duration,
+ "priority", (guint32) priority, "in-point", (guint64) 0, NULL);
+
+ return ret;
+}
+
+gboolean
+print_transition_data (GESTimelineObject * tr)
+{
+ GESTrackObject *trackobj;
+ GstElement *gnlobj;
+ guint64 start, duration;
+ gint priority;
+ char *name;
+
+ if (!tr)
+ return FALSE;
+
+ trackobj = GES_TRACK_OBJECT (tr->trackobjects->data);
+ gnlobj = trackobj->gnlobject;
+
+ g_object_get (gnlobj, "start", &start, "duration", &duration,
+ "priority", &priority, "name", &name, NULL);
+ g_print ("gnlobject for %s: %f %f %d\n", name,
+ ((gfloat) start) / GST_SECOND,
+ ((gfloat) duration) / GST_SECOND, priority);
+
+ return FALSE;
+}
+
+GESTimelinePipeline *
+make_timeline (char *path, float duration, char *text)
+{
+ GESTimeline *timeline;
+ GESTrack *trackv, *tracka;
+ GESTimelineLayer *layer1;
+ GESTimelineObject *srca;
+ GESTimelineObject *overlay;
+ GESTimelinePipeline *pipeline;
+ guint64 aduration;
+
+ pipeline = ges_timeline_pipeline_new ();
+
+ ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_PREVIEW_VIDEO);
+
+ timeline = ges_timeline_new ();
+ ges_timeline_pipeline_add_timeline (pipeline, timeline);
+
+ trackv = ges_track_video_raw_new ();
+ ges_timeline_add_track (timeline, trackv);
+
+ tracka = ges_track_audio_raw_new ();
+ ges_timeline_add_track (timeline, tracka);
+
+ layer1 = GES_TIMELINE_LAYER (ges_timeline_layer_new ());
+ g_object_set (layer1, "priority", (gint32) 0, NULL);
+
+ if (!ges_timeline_add_layer (timeline, layer1))
+ exit (-1);
+
+ aduration = (guint64) (duration * GST_SECOND);
+ srca = make_source (path, 0, aduration, 1);
+ overlay = make_overlay (text, 0, aduration, 0);
+ ges_timeline_layer_add_object (layer1, srca);
+ ges_timeline_layer_add_object (layer1, overlay);
+
+ return pipeline;
+}
+
+int
+main (int argc, char **argv)
+{
+ GError *err = NULL;
+ GOptionContext *ctx;
+ GESTimelinePipeline *pipeline;
+ GMainLoop *mainloop;
+ gdouble duration;
+ char *path, *text;
+
+ GOptionEntry options[] = {
+ {"duration", 'd', 0, G_OPTION_ARG_DOUBLE, &duration,
+ "duration of transition", "seconds"},
+ {"path", 'p', 0, G_OPTION_ARG_STRING, &path,
+ "path to file", "path"},
+ {"text", 't', 0, G_OPTION_ARG_STRING, &text,
+ "text to render", "text"},
+ {NULL}
+ };
+
+ if (!g_thread_supported ())
+ g_thread_init (NULL);
+
+ ctx = g_option_context_new ("- transition between two media files");
+ g_option_context_add_main_entries (ctx, options, NULL);
+ g_option_context_add_group (ctx, gst_init_get_option_group ());
+
+ if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
+ g_print ("Error initializing %s\n", err->message);
+ exit (1);
+ }
+
+ if (argc > 1) {
+ g_print ("%s", g_option_context_get_help (ctx, TRUE, NULL));
+ exit (0);
+ }
+
+ g_option_context_free (ctx);
+
+ ges_init ();
+
+ pipeline = make_timeline (path, duration, text);
+
+ mainloop = g_main_loop_new (NULL, FALSE);
+ g_timeout_add_seconds ((duration) + 1, (GSourceFunc) g_main_loop_quit,
+ mainloop);
+ gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
+ g_main_loop_run (mainloop);
+
+ return 0;
+}