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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
/* GStreamer GES plugin
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*
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* Copyright (C) 2019 Igalia S.L
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* Author: 2019 Thibault Saunier <tsaunier@igalia.com>
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*
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* gesdemux.c
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <ges/ges.h>
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static void
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bus_message_cb (GstBus * bus, GstMessage * message, GMainLoop * mainloop)
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{
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switch (GST_MESSAGE_TYPE (message)) {
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case GST_MESSAGE_ERROR:
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g_printerr ("Got error message on the bus\n");
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g_main_loop_quit (mainloop);
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break;
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case GST_MESSAGE_EOS:
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g_print ("Done\n");
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g_main_loop_quit (mainloop);
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break;
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default:
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break;
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}
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}
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static void
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source_setup_cb (GstElement * playbin, GstElement * source,
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GESTimeline * timeline)
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{
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g_object_set (source, "timeline", timeline, NULL);
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}
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int
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main (int argc, char **argv)
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{
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GMainLoop *mainloop = NULL;
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GstElement *pipeline = NULL;
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GESTimeline *timeline;
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GESLayer *layer = NULL;
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GstBus *bus = NULL;
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guint i, ret = 0;
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gchar *uri = NULL;
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GstClockTime start = 0;
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if (argc < 2) {
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g_print ("Usage: %s <list of files>\n", argv[0]);
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return -1;
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}
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gst_init (&argc, &argv);
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ges_init ();
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timeline = ges_timeline_new_audio_video ();
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layer = (GESLayer *) ges_layer_new ();
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if (!ges_timeline_add_layer (timeline, layer))
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return -1;
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/* Build the timeline */
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for (i = 1; i < argc; i++) {
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GESClip *clip;
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uri = g_strdup (argv[i]);
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if (!gst_uri_is_valid (uri)) {
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g_free (uri);
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uri = gst_filename_to_uri (argv[i], NULL);
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}
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clip = GES_CLIP (ges_uri_clip_new (uri));
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if (!clip) {
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g_printerr ("Could not create clip for file: %s\n", argv[i]);
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g_free (uri);
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goto err;
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}
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g_object_set (clip, "start", start, NULL);
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ges_layer_add_clip (layer, clip);
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start += ges_timeline_element_get_duration (GES_TIMELINE_ELEMENT (clip));
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g_free (uri);
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}
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/* Use a usual playbin pipeline */
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pipeline = gst_element_factory_make ("playbin", NULL);
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g_object_set (pipeline, "uri", "ges://", NULL);
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g_signal_connect (pipeline, "source-setup", G_CALLBACK (source_setup_cb),
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timeline);
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mainloop = g_main_loop_new (NULL, FALSE);
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bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
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gst_bus_add_signal_watch (bus);
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g_signal_connect (bus, "message", G_CALLBACK (bus_message_cb), mainloop);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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g_main_loop_run (mainloop);
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gst_element_set_state (pipeline, GST_STATE_NULL);
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done:
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gst_clear_object (&pipeline);
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if (mainloop)
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g_main_loop_unref (mainloop);
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return ret;
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err:
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goto done;
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}
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