/* 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> int main (int argc, gchar ** argv) { GESPipeline *pipeline; GESTimeline *timeline; GESTrack *tracka; GESLayer *layer; GMainLoop *mainloop; guint i; if (argc < 2) { gst_print ("Usage: %s <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 (ges_audio_track_new ()); /* 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; 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 = 1; i < argc; i++) { gchar *uri = gst_filename_to_uri (argv[i], NULL); GESUriClip *src = ges_uri_clip_new (uri); g_assert (src); g_free (uri); g_object_set (src, "start", ges_layer_get_duration (layer), "duration", GST_SECOND, NULL); ges_layer_add_clip (layer, (GESClip *) src); } /* 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 (argc - 1, (GSourceFunc) g_main_loop_quit, mainloop); g_main_loop_run (mainloop); return 0; }