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138 lines
4 KiB
C
138 lines
4 KiB
C
/* GStreamer
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* Copyright (C) 2016 Centricular Ltd.
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* Author: Arun Raghavan <arun@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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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/* We need the internal netclock estimation function to (re)run the code on
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* captured samples, plus its dependencies for the build to succeed. */
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#include "../../libs/gst/net/gstntppacket.c"
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#include "../../libs/gst/net/gstnetclientclock.c"
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#include "../../libs/gst/net/gstnetutils.c"
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static gchar *input = NULL;
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static gboolean debug = FALSE;
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static gint rtt_limit = 0;
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static GOptionEntry entries[] = {
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{"input", 'i', 0, G_OPTION_ARG_FILENAME, &input,
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"Clock reading file containing one local and remote time readings, one "
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"per line",
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"FILE"},
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{"rtt-limit", 'r', 0, G_OPTION_ARG_INT64, &rtt_limit,
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"Round trip time limit on packets (in ms)", "MSEC"},
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{"debug", 'd', 0, G_OPTION_ARG_NONE, &debug, "Verbose debug output", NULL},
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{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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GstNetClientInternalClock *clock;
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GstBus *bus;
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GIOChannel *channel;
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GIOStatus status;
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GError *error = NULL;
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GOptionContext *context;
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gchar *line;
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int ret = 1;
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context = g_option_context_new (NULL);
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g_option_context_add_main_entries (context, entries, NULL);
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g_option_context_add_group (context, gst_init_get_option_group ());
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if (!g_option_context_parse (context, &argc, &argv, &error)) {
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g_print ("Failed to parse options: %s\n\n", error->message);
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g_error_free (error);
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return 1;
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}
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if (input) {
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if (!(channel = g_io_channel_new_file (input, "r", NULL))) {
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g_print ("Could not read input file: %s\n", input);
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return 1;
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}
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} else {
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if (!(channel = g_io_channel_unix_new (0))) {
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g_print ("Could not read stdin");
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return 1;
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}
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}
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clock = g_object_new (GST_TYPE_NET_CLIENT_INTERNAL_CLOCK, NULL);
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bus = gst_bus_new ();
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/* FIXME: Find a way to do this without touching the structure internals */
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if (rtt_limit)
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clock->roundtrip_limit = rtt_limit * GST_MSECOND;
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clock->busses = g_list_prepend (clock->busses, bus);
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while ((status = g_io_channel_read_line (channel, &line, NULL, NULL,
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&error)) == G_IO_STATUS_NORMAL) {
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GstClockTime local_1, local_2, remote_1, remote_2;
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GstMessage *message;
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if (sscanf (line, "%" G_GUINT64_FORMAT " %" G_GUINT64_FORMAT " %"
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G_GUINT64_FORMAT " %" G_GUINT64_FORMAT, &local_1, &remote_1,
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&remote_2, &local_2) != 4) {
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g_print ("Failed to get local/remote time values from: %s\n", line);
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goto done;
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}
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if (debug)
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g_print ("%s", line);
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gst_net_client_internal_clock_observe_times (clock, local_1, remote_1,
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remote_2, local_2);
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g_free (line);
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if ((message = gst_bus_pop_filtered (bus, GST_MESSAGE_ELEMENT))) {
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const GstStructure *st;
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gchar *str;
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st = gst_message_get_structure (message);
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str = gst_structure_to_string (st);
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g_print ("%s\n", str);
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g_free (str);
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gst_message_unref (message);
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}
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}
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if (status == G_IO_CHANNEL_ERROR) {
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g_print ("Error reading file: %s\n", error->message);
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g_error_free (error);
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goto done;
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}
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g_io_channel_unref (channel);
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g_free (input);
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gst_object_unref (bus);
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ret = 0;
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done:
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return ret;
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}
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