mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-13 12:51:16 +00:00
102 lines
3.2 KiB
C
102 lines
3.2 KiB
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>
|
|
|
|
int
|
|
main (int argc, gchar ** argv)
|
|
{
|
|
GESTimelinePipeline *pipeline;
|
|
GESTimeline *timeline;
|
|
GESTrack *tracka;
|
|
GESTimelineLayer *layer;
|
|
GList *sources = NULL;
|
|
GMainLoop *mainloop;
|
|
guint i;
|
|
|
|
if (argc < 2) {
|
|
g_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_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 = 1; 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;
|
|
|
|
/* 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, (GSourceFunc) g_main_loop_quit, mainloop);
|
|
g_main_loop_run (mainloop);
|
|
|
|
return 0;
|
|
}
|