2 * Copyright (C) 2016 Centricular Ltd.
3 * Author: Arun Raghavan <arun@centricular.com>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
27 #define GST_NET_API /* empty */
29 /* We need the internal netclock estimation function to (re)run the code on
30 * captured samples, plus its dependencies for the build to succeed. */
31 #include "../../libs/gst/net/gstntppacket.c"
32 #include "../../libs/gst/net/gstnettimepacket.c"
33 #include "../../libs/gst/net/gstnetclientclock.c"
34 #include "../../libs/gst/net/gstnetutils.c"
36 static gchar *input = NULL;
37 static gboolean debug = FALSE;
38 static gint rtt_limit = 0;
40 static GOptionEntry entries[] = {
41 {"input", 'i', 0, G_OPTION_ARG_FILENAME, &input,
42 "Clock reading file containing one local and remote time readings, one "
45 {"rtt-limit", 'r', 0, G_OPTION_ARG_INT64, &rtt_limit,
46 "Round trip time limit on packets (in ms)", "MSEC"},
47 {"debug", 'd', 0, G_OPTION_ARG_NONE, &debug, "Verbose debug output", NULL},
52 main (int argc, char *argv[])
54 GstNetClientInternalClock *clock;
59 GOptionContext *context;
63 context = g_option_context_new (NULL);
64 g_option_context_add_main_entries (context, entries, NULL);
65 g_option_context_add_group (context, gst_init_get_option_group ());
67 if (!g_option_context_parse (context, &argc, &argv, &error)) {
68 g_print ("Failed to parse options: %s\n\n", error->message);
74 if (!(channel = g_io_channel_new_file (input, "r", NULL))) {
75 g_print ("Could not read input file: %s\n", input);
79 if (!(channel = g_io_channel_unix_new (0))) {
80 g_print ("Could not read stdin");
85 clock = g_object_new (GST_TYPE_NET_CLIENT_INTERNAL_CLOCK, NULL);
88 /* FIXME: Find a way to do this without touching the structure internals */
90 clock->roundtrip_limit = rtt_limit * GST_MSECOND;
91 clock->busses = g_list_prepend (clock->busses, bus);
93 while ((status = g_io_channel_read_line (channel, &line, NULL, NULL,
94 &error)) == G_IO_STATUS_NORMAL) {
95 GstClockTime local_1, local_2, remote_1, remote_2;
98 if (sscanf (line, "%" G_GUINT64_FORMAT " %" G_GUINT64_FORMAT " %"
99 G_GUINT64_FORMAT " %" G_GUINT64_FORMAT, &local_1, &remote_1,
100 &remote_2, &local_2) != 4) {
101 g_print ("Failed to get local/remote time values from: %s\n", line);
106 g_print ("%s", line);
108 gst_net_client_internal_clock_observe_times (clock, local_1, remote_1,
113 if ((message = gst_bus_pop_filtered (bus, GST_MESSAGE_ELEMENT))) {
114 const GstStructure *st;
117 st = gst_message_get_structure (message);
118 str = gst_structure_to_string (st);
120 g_print ("%s\n", str);
123 gst_message_unref (message);
127 if (status == G_IO_CHANNEL_ERROR) {
128 g_print ("Error reading file: %s\n", error->message);
129 g_error_free (error);
133 g_io_channel_unref (channel);
135 gst_object_unref (bus);