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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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147 lines
3.9 KiB
C
147 lines
3.9 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, GstElement * source)
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{
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g_object_set (source, "latency", PLAYBACK_DELAY_MS,
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"ntp-time-source", 3, "buffer-mode", 4, "ntp-sync", TRUE, NULL);
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}
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static gboolean
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message (GstBus * bus, GstMessage * message, gpointer user_data)
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{
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GMainLoop *loop = user_data;
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switch (GST_MESSAGE_TYPE (message)) {
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case GST_MESSAGE_ERROR:{
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GError *err = NULL;
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gchar *name, *debug = NULL;
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name = gst_object_get_path_string (message->src);
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gst_message_parse_error (message, &err, &debug);
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g_printerr ("ERROR: from element %s: %s\n", name, err->message);
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if (debug != NULL)
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g_printerr ("Additional debug info:\n%s\n", debug);
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g_error_free (err);
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g_free (debug);
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g_free (name);
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g_main_loop_quit (loop);
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break;
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}
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case GST_MESSAGE_WARNING:{
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GError *err = NULL;
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gchar *name, *debug = NULL;
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name = gst_object_get_path_string (message->src);
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gst_message_parse_warning (message, &err, &debug);
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g_printerr ("ERROR: from element %s: %s\n", name, err->message);
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if (debug != NULL)
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g_printerr ("Additional debug info:\n%s\n", debug);
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g_error_free (err);
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g_free (debug);
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g_free (name);
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break;
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}
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case GST_MESSAGE_EOS:
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g_print ("Got EOS\n");
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g_main_loop_quit (loop);
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break;
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default:
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break;
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}
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return TRUE;
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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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GMainLoop *loop;
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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 for the clock to stabilise */
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gst_clock_wait_for_sync (net_clock, GST_CLOCK_TIME_NONE);
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loop = g_main_loop_new (NULL, FALSE);
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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, "source-setup", G_CALLBACK (source_created), NULL);
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gst_pipeline_use_clock (GST_PIPELINE (pipe), net_clock);
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/* Set this high enough so that it's higher than the minimum latency
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* on all receivers */
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gst_pipeline_set_latency (GST_PIPELINE (pipe), 500 * GST_MSECOND);
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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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gst_bus_add_signal_watch (GST_ELEMENT_BUS (pipe));
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g_signal_connect (GST_ELEMENT_BUS (pipe), "message", G_CALLBACK (message),
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loop);
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g_main_loop_run (loop);
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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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g_main_loop_unref (loop);
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return 0;
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}
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