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b04856f0cf
An example server and client that works for synchronising live streams only - as it can't support pause/play.
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/* GStreamer
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* Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.com>
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* Copyright (C) 2014 Jan Schmidt <jan@centricular.com>
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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 <stdlib.h>
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#include <gst/gst.h>
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#include <gst/net/gstnet.h>
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#define PLAYBACK_DELAY_MS 40
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static void
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source_created (GstElement * pipe, GParamSpec * pspec)
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{
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GstElement *source;
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g_object_get (pipe, "source", &source, NULL);
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g_assert (source != NULL);
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g_object_set (source, "latency", PLAYBACK_DELAY_MS,
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"use-pipeline-clock", TRUE, "buffer-mode", 1, NULL);
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gst_object_unref (source);
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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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GstClock *net_clock;
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gchar *server;
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gint clock_port;
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GstElement *pipe;
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GstMessage *msg;
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gst_init (&argc, &argv);
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if (argc < 2) {
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g_print ("usage: %s rtsp://URI clock-IP clock-PORT\n"
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"example: %s rtsp://localhost:8554/test 127.0.0.1 8554\n",
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argv[0], argv[0]);
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return -1;
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}
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server = argv[2];
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clock_port = atoi (argv[3]);
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net_clock = gst_net_client_clock_new ("net_clock", server, clock_port, 0);
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if (net_clock == NULL) {
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g_print ("Failed to create net clock client for %s:%d\n",
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server, clock_port);
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return 1;
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}
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/* Wait 0.5 seconds for the clock to stabilise */
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g_usleep (G_USEC_PER_SEC / 2);
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pipe = gst_element_factory_make ("playbin", NULL);
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g_object_set (pipe, "uri", argv[1], NULL);
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g_signal_connect (pipe, "notify::source", (GCallback) source_created, NULL);
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gst_element_set_start_time (pipe, GST_CLOCK_TIME_NONE);
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gst_element_set_base_time (pipe, 0);
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gst_pipeline_use_clock (GST_PIPELINE (pipe), net_clock);
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if (gst_element_set_state (pipe,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
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g_print ("Failed to set state to PLAYING\n");
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goto exit;
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};
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msg = gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipe),
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GST_CLOCK_TIME_NONE, GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
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if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) {
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GError *err = NULL;
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gchar *debug = NULL;
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gst_message_parse_error (msg, &err, &debug);
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g_print ("\nERROR: %s\n%s\n\n", err->message, debug);
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g_error_free (err);
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g_free (debug);
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}
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gst_message_unref (msg);
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exit:
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gst_element_set_state (pipe, GST_STATE_NULL);
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gst_object_unref (pipe);
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return 0;
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}
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