mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-13 12:51:16 +00:00
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
|
|
* Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.com>
|
|
* Copyright (C) 2014 Jan Schmidt <jan@centricular.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 <stdlib.h>
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/net/gstnet.h>
|
|
|
|
#define PLAYBACK_DELAY_MS 40
|
|
|
|
static void
|
|
source_created (GstElement * pipe, GParamSpec * pspec)
|
|
{
|
|
GstElement *source;
|
|
|
|
g_object_get (pipe, "source", &source, NULL);
|
|
g_assert (source != NULL);
|
|
|
|
g_object_set (source, "latency", PLAYBACK_DELAY_MS,
|
|
"use-pipeline-clock", TRUE, "buffer-mode", 1, NULL);
|
|
|
|
gst_object_unref (source);
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GstClock *net_clock;
|
|
gchar *server;
|
|
gint clock_port;
|
|
GstElement *pipe;
|
|
GstMessage *msg;
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
if (argc < 2) {
|
|
g_print ("usage: %s rtsp://URI clock-IP clock-PORT\n"
|
|
"example: %s rtsp://localhost:8554/test 127.0.0.1 8554\n",
|
|
argv[0], argv[0]);
|
|
return -1;
|
|
}
|
|
|
|
server = argv[2];
|
|
clock_port = atoi (argv[3]);
|
|
|
|
net_clock = gst_net_client_clock_new ("net_clock", server, clock_port, 0);
|
|
if (net_clock == NULL) {
|
|
g_print ("Failed to create net clock client for %s:%d\n",
|
|
server, clock_port);
|
|
return 1;
|
|
}
|
|
|
|
/* Wait 0.5 seconds for the clock to stabilise */
|
|
g_usleep (G_USEC_PER_SEC / 2);
|
|
|
|
pipe = gst_element_factory_make ("playbin", NULL);
|
|
g_object_set (pipe, "uri", argv[1], NULL);
|
|
g_signal_connect (pipe, "notify::source", (GCallback) source_created, NULL);
|
|
|
|
gst_element_set_start_time (pipe, GST_CLOCK_TIME_NONE);
|
|
gst_element_set_base_time (pipe, 0);
|
|
gst_pipeline_use_clock (GST_PIPELINE (pipe), net_clock);
|
|
|
|
if (gst_element_set_state (pipe,
|
|
GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
|
|
g_print ("Failed to set state to PLAYING\n");
|
|
goto exit;
|
|
};
|
|
|
|
msg = gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipe),
|
|
GST_CLOCK_TIME_NONE, GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
|
|
|
|
if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) {
|
|
GError *err = NULL;
|
|
gchar *debug = NULL;
|
|
gst_message_parse_error (msg, &err, &debug);
|
|
g_print ("\nERROR: %s\n%s\n\n", err->message, debug);
|
|
g_error_free (err);
|
|
g_free (debug);
|
|
}
|
|
gst_message_unref (msg);
|
|
|
|
exit:
|
|
gst_element_set_state (pipe, GST_STATE_NULL);
|
|
gst_object_unref (pipe);
|
|
|
|
return 0;
|
|
}
|