examples: test4: variant of test3 with rendering.

Usage: ./test4 output_uri audio_files

This will render in ogg/vorbis the first seconds of all the provided
audio files to the output_uri
Ex : ./test4 file:///data/audio1s.ogg /data/music/*.ogg

tests/examples/Makefile.am

@@ -1,4 +1,4 @@
-noinst_PROGRAMS = test1 test2 test3
+noinst_PROGRAMS = test1 test2 test3 test4
 
-AM_CFLAGS = $(GST_CFLAGS) -I$(top_srcdir)
-LDADD = $(GST_LBS) $(top_builddir)/ges/libges-@GST_MAJORMINOR@.la -lges-@GST_MAJORMINOR@
+AM_CFLAGS = $(GST_CONVENIENCE_CFLAGS) $(GST_CFLAGS) -I$(top_srcdir)
+LDADD = $(GST_CONVENIENCE_LIBS) -lgstprofile-@GST_MAJORMINOR@ $(GST_LBS) $(top_builddir)/ges/libges-@GST_MAJORMINOR@.la -lges-@GST_MAJORMINOR@

tests/examples/test4.c

@@ -0,0 +1,141 @@
+/* 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>
+#include <gst/profile/gstprofile.h>
+
+/* This example will take a series of files and create a audio-only timeline
+ * containing the first second of each file and render it to the output uri 
+ * using ogg/vorbis */
+
+/* make_ogg_vorbis_profile:
+ * simple method creating a ogg/vorbis encoding profile. This is here in
+ * order not to clutter the main function. */
+GstEncodingProfile *
+make_ogg_vorbis_profile (void)
+{
+  GstEncodingProfile *profile;
+  GstStreamEncodingProfile *audiostream;
+
+  profile = gst_encoding_profile_new ("ges-test4",
+      gst_caps_new_simple ("application/ogg", NULL), NULL, FALSE);
+  audiostream = gst_stream_encoding_profile_new (GST_ENCODING_PROFILE_AUDIO,
+      gst_caps_new_simple ("audio/x-vorbis", NULL), NULL, NULL, 1);
+  gst_encoding_profile_add_stream (profile, audiostream);
+  return profile;
+}
+
+int
+main (int argc, gchar ** argv)
+{
+  GESTimelinePipeline *pipeline;
+  GESTimeline *timeline;
+  GESTrack *tracka;
+  GESTimelineLayer *layer;
+  GList *sources = NULL;
+  GMainLoop *mainloop;
+  GstEncodingProfile *profile;
+  gchar *output_uri;
+  guint i;
+
+  if (argc < 3) {
+    g_print ("Usage: %s <output uri> <list of audio files>\n", argv[0]);
+    return -1;
+  }
+
+  /* Initialize GStreamer (this will parse environment variables and commandline
+   * arguments. */
+  gst_init (&argc, &argv);
+
+  /* Initialize the GStreamer Editing Services */
+  ges_init ();
+
+  /* Setup of an audio timeline */
+
+  /* This is our main GESTimeline */
+  timeline = ges_timeline_new ();
+
+  tracka = ges_track_audio_raw_new ();
+
+  /* We are only going to be doing one layer of timeline objects */
+  layer = (GESTimelineLayer *) ges_simple_timeline_layer_new ();
+
+  /* Add the tracks and the layer to the timeline */
+  if (!ges_timeline_add_layer (timeline, layer))
+    return -1;
+  if (!ges_timeline_add_track (timeline, tracka))
+    return -1;
+
+  /* Here we've finished initializing our timeline, we're 
+   * ready to start using it... by solely working with the layer !*/
+
+  for (i = 2; i < argc; i++) {
+    gchar *uri = g_strdup_printf ("file://%s", argv[i]);
+    GESTimelineFileSource *src = ges_timeline_filesource_new (uri);
+
+    g_assert (src);
+    g_free (uri);
+
+    g_object_set (src, "duration", GST_SECOND, NULL);
+    /* Since we're using a GESSimpleTimelineLayer, objects will be automatically
+     * appended to the end of the layer */
+    ges_timeline_layer_add_object (layer, (GESTimelineObject *) src);
+
+    sources = g_list_append (sources, src);
+  }
+
+  /* In order to view our timeline, let's grab a convenience pipeline to put
+   * our timeline in. */
+  pipeline = ges_timeline_pipeline_new ();
+
+  /* Add the timeline to that pipeline */
+  if (!ges_timeline_pipeline_add_timeline (pipeline, timeline))
+    return -1;
+
+
+  /* RENDER SETTINGS ! */
+  /* We set our output URI and rendering setting on the pipeline */
+  output_uri = argv[1];
+  profile = make_ogg_vorbis_profile ();
+  if (!ges_timeline_pipeline_set_render_settings (pipeline, output_uri,
+          profile))
+    return -1;
+
+  /* We want the pipeline to render (without any preview) */
+  if (!ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_RENDER))
+    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 */
+  /* FIXME : We should wait for EOS ! */
+  g_timeout_add_seconds (argc, (GSourceFunc) g_main_loop_quit, mainloop);
+  g_main_loop_run (mainloop);
+
+  return 0;
+}