2 * Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
3 * Copyright (C) <2009> Jarkko Palviainen <jarkko.palviainen@sesca.com>
4 * Copyright (C) <2012> Collabora Ltd.
5 * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
24 * SECTION:element-multiudpsink
25 * @see_also: udpsink, multifdsink
27 * multiudpsink is a network sink that sends UDP packets to multiple
29 * It can be combined with rtp payload encoders to implement RTP streaming.
35 #include "gstmultiudpsink.h"
38 #ifdef HAVE_SYS_SOCKET_H
39 #include <sys/socket.h>
43 #include <netinet/in.h>
46 #include "gst/glib-compat-private.h"
48 GST_DEBUG_CATEGORY_STATIC (multiudpsink_debug);
49 #define GST_CAT_DEFAULT (multiudpsink_debug)
51 #define UDP_MAX_SIZE 65507
53 static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
58 /* MultiUDPSink signals and args */
69 SIGNAL_CLIENT_REMOVED,
75 #define DEFAULT_SOCKET NULL
76 #define DEFAULT_CLOSE_SOCKET TRUE
77 #define DEFAULT_USED_SOCKET NULL
78 #define DEFAULT_CLIENTS NULL
79 /* FIXME, this should be disabled by default, we don't need to join a multicast
80 * group for sending, if this socket is also used for receiving, it should
81 * be configured in the element that does the receive. */
82 #define DEFAULT_AUTO_MULTICAST TRUE
83 #define DEFAULT_MULTICAST_IFACE NULL
84 #define DEFAULT_TTL 64
85 #define DEFAULT_TTL_MC 1
86 #define DEFAULT_LOOP TRUE
87 #define DEFAULT_FORCE_IPV4 FALSE
88 #define DEFAULT_QOS_DSCP -1
89 #define DEFAULT_SEND_DUPLICATES TRUE
90 #define DEFAULT_BUFFER_SIZE 0
91 #define DEFAULT_BIND_ADDRESS NULL
92 #define DEFAULT_BIND_PORT 0
106 PROP_MULTICAST_IFACE,
112 PROP_SEND_DUPLICATES,
118 static void gst_multiudpsink_finalize (GObject * object);
120 static GstFlowReturn gst_multiudpsink_render (GstBaseSink * sink,
122 static GstFlowReturn gst_multiudpsink_render_list (GstBaseSink * bsink,
123 GstBufferList * buffer_list);
125 static gboolean gst_multiudpsink_start (GstBaseSink * bsink);
126 static gboolean gst_multiudpsink_stop (GstBaseSink * bsink);
127 static gboolean gst_multiudpsink_unlock (GstBaseSink * bsink);
128 static gboolean gst_multiudpsink_unlock_stop (GstBaseSink * bsink);
130 static void gst_multiudpsink_set_property (GObject * object, guint prop_id,
131 const GValue * value, GParamSpec * pspec);
132 static void gst_multiudpsink_get_property (GObject * object, guint prop_id,
133 GValue * value, GParamSpec * pspec);
135 static void gst_multiudpsink_add_internal (GstMultiUDPSink * sink,
136 const gchar * host, gint port, gboolean lock);
137 static void gst_multiudpsink_clear_internal (GstMultiUDPSink * sink,
140 static guint gst_multiudpsink_signals[LAST_SIGNAL] = { 0 };
142 #define gst_multiudpsink_parent_class parent_class
143 G_DEFINE_TYPE (GstMultiUDPSink, gst_multiudpsink, GST_TYPE_BASE_SINK);
146 gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass)
148 GObjectClass *gobject_class;
149 GstElementClass *gstelement_class;
150 GstBaseSinkClass *gstbasesink_class;
152 gobject_class = (GObjectClass *) klass;
153 gstelement_class = (GstElementClass *) klass;
154 gstbasesink_class = (GstBaseSinkClass *) klass;
156 gobject_class->set_property = gst_multiudpsink_set_property;
157 gobject_class->get_property = gst_multiudpsink_get_property;
158 gobject_class->finalize = gst_multiudpsink_finalize;
161 * GstMultiUDPSink::add:
162 * @gstmultiudpsink: the sink on which the signal is emitted
163 * @host: the hostname/IP address of the client to add
164 * @port: the port of the client to add
166 * Add a client with destination @host and @port to the list of
167 * clients. When the same host/port pair is added multiple times, the
168 * send-duplicates property defines if the packets are sent multiple times to
169 * the same host/port pair or not.
171 * When a host/port pair is added multiple times, an equal amount of remove
172 * calls must be performed to actually remove the host/port pair from the list
175 gst_multiudpsink_signals[SIGNAL_ADD] =
176 g_signal_new ("add", G_TYPE_FROM_CLASS (klass),
177 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
178 G_STRUCT_OFFSET (GstMultiUDPSinkClass, add),
179 NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2,
180 G_TYPE_STRING, G_TYPE_INT);
182 * GstMultiUDPSink::remove:
183 * @gstmultiudpsink: the sink on which the signal is emitted
184 * @host: the hostname/IP address of the client to remove
185 * @port: the port of the client to remove
187 * Remove the client with destination @host and @port from the list of
190 gst_multiudpsink_signals[SIGNAL_REMOVE] =
191 g_signal_new ("remove", G_TYPE_FROM_CLASS (klass),
192 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
193 G_STRUCT_OFFSET (GstMultiUDPSinkClass, remove),
194 NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2,
195 G_TYPE_STRING, G_TYPE_INT);
197 * GstMultiUDPSink::clear:
198 * @gstmultiudpsink: the sink on which the signal is emitted
200 * Clear the list of clients.
202 gst_multiudpsink_signals[SIGNAL_CLEAR] =
203 g_signal_new ("clear", G_TYPE_FROM_CLASS (klass),
204 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
205 G_STRUCT_OFFSET (GstMultiUDPSinkClass, clear),
206 NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 0);
208 * GstMultiUDPSink::get-stats:
209 * @gstmultiudpsink: the sink on which the signal is emitted
210 * @host: the hostname/IP address of the client to get stats on
211 * @port: the port of the client to get stats on
213 * Get the statistics of the client with destination @host and @port.
215 * Returns: a GstStructure: bytes_sent, packets_sent,
216 * connect_time (in epoch seconds), disconnect_time (in epoch seconds)
218 gst_multiudpsink_signals[SIGNAL_GET_STATS] =
219 g_signal_new ("get-stats", G_TYPE_FROM_CLASS (klass),
220 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
221 G_STRUCT_OFFSET (GstMultiUDPSinkClass, get_stats),
222 NULL, NULL, g_cclosure_marshal_generic, GST_TYPE_STRUCTURE, 2,
223 G_TYPE_STRING, G_TYPE_INT);
225 * GstMultiUDPSink::client-added:
226 * @gstmultiudpsink: the sink emitting the signal
227 * @host: the hostname/IP address of the added client
228 * @port: the port of the added client
230 * Signal emited when a new client is added to the list of
233 gst_multiudpsink_signals[SIGNAL_CLIENT_ADDED] =
234 g_signal_new ("client-added", G_TYPE_FROM_CLASS (klass),
235 G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMultiUDPSinkClass, client_added),
236 NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2,
237 G_TYPE_STRING, G_TYPE_INT);
239 * GstMultiUDPSink::client-removed:
240 * @gstmultiudpsink: the sink emitting the signal
241 * @host: the hostname/IP address of the removed client
242 * @port: the port of the removed client
244 * Signal emited when a client is removed from the list of
247 gst_multiudpsink_signals[SIGNAL_CLIENT_REMOVED] =
248 g_signal_new ("client-removed", G_TYPE_FROM_CLASS (klass),
249 G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMultiUDPSinkClass,
250 client_removed), NULL, NULL, g_cclosure_marshal_generic,
251 G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_INT);
253 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BYTES_TO_SERVE,
254 g_param_spec_uint64 ("bytes-to-serve", "Bytes to serve",
255 "Number of bytes received to serve to clients", 0, G_MAXUINT64, 0,
256 G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
257 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BYTES_SERVED,
258 g_param_spec_uint64 ("bytes-served", "Bytes served",
259 "Total number of bytes sent to all clients", 0, G_MAXUINT64, 0,
260 G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
261 g_object_class_install_property (gobject_class, PROP_SOCKET,
262 g_param_spec_object ("socket", "Socket Handle",
263 "Socket to use for UDP sending. (NULL == allocate)",
264 G_TYPE_SOCKET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
265 g_object_class_install_property (gobject_class, PROP_SOCKET_V6,
266 g_param_spec_object ("socket-v6", "Socket Handle IPv6",
267 "Socket to use for UDPv6 sending. (NULL == allocate)",
268 G_TYPE_SOCKET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
269 g_object_class_install_property (gobject_class, PROP_CLOSE_SOCKET,
270 g_param_spec_boolean ("close-socket", "Close socket",
271 "Close socket if passed as property on state change",
272 DEFAULT_CLOSE_SOCKET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
273 g_object_class_install_property (gobject_class, PROP_USED_SOCKET,
274 g_param_spec_object ("used-socket", "Used Socket Handle",
275 "Socket currently in use for UDP sending. (NULL == no socket)",
276 G_TYPE_SOCKET, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
277 g_object_class_install_property (gobject_class, PROP_USED_SOCKET_V6,
278 g_param_spec_object ("used-socket-v6", "Used Socket Handle IPv6",
279 "Socket currently in use for UDPv6 sending. (NULL == no socket)",
280 G_TYPE_SOCKET, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
281 g_object_class_install_property (gobject_class, PROP_CLIENTS,
282 g_param_spec_string ("clients", "Clients",
283 "A comma separated list of host:port pairs with destinations",
284 DEFAULT_CLIENTS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
285 g_object_class_install_property (gobject_class, PROP_AUTO_MULTICAST,
286 g_param_spec_boolean ("auto-multicast",
287 "Automatically join/leave multicast groups",
288 "Automatically join/leave the multicast groups, FALSE means user"
289 " has to do it himself", DEFAULT_AUTO_MULTICAST,
290 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
291 g_object_class_install_property (gobject_class, PROP_MULTICAST_IFACE,
292 g_param_spec_string ("multicast-iface", "Multicast Interface",
293 "The network interface on which to join the multicast group",
294 DEFAULT_MULTICAST_IFACE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
295 g_object_class_install_property (gobject_class, PROP_TTL,
296 g_param_spec_int ("ttl", "Unicast TTL",
297 "Used for setting the unicast TTL parameter",
298 0, 255, DEFAULT_TTL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
299 g_object_class_install_property (gobject_class, PROP_TTL_MC,
300 g_param_spec_int ("ttl-mc", "Multicast TTL",
301 "Used for setting the multicast TTL parameter",
302 0, 255, DEFAULT_TTL_MC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
303 g_object_class_install_property (gobject_class, PROP_LOOP,
304 g_param_spec_boolean ("loop", "Multicast Loopback",
305 "Used for setting the multicast loop parameter. TRUE = enable,"
306 " FALSE = disable", DEFAULT_LOOP,
307 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
309 * GstMultiUDPSink::force-ipv4:
311 * Force the use of an IPv4 socket.
315 #ifndef GST_REMOVE_DEPRECATED
316 g_object_class_install_property (gobject_class, PROP_FORCE_IPV4,
317 g_param_spec_boolean ("force-ipv4", "Force IPv4",
318 "Forcing the use of an IPv4 socket (DEPRECATED, has no effect anymore)",
320 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_DEPRECATED));
322 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QOS_DSCP,
323 g_param_spec_int ("qos-dscp", "QoS diff srv code point",
324 "Quality of Service, differentiated services code point (-1 default)",
325 -1, 63, DEFAULT_QOS_DSCP,
326 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
328 * GstMultiUDPSink::send-duplicates:
330 * When a host/port pair is added mutliple times, send the packet to the host
331 * multiple times as well.
333 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SEND_DUPLICATES,
334 g_param_spec_boolean ("send-duplicates", "Send Duplicates",
335 "When a distination/port pair is added multiple times, send packets "
336 "multiple times as well", DEFAULT_SEND_DUPLICATES,
337 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
339 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BUFFER_SIZE,
340 g_param_spec_int ("buffer-size", "Buffer Size",
341 "Size of the kernel send buffer in bytes, 0=default", 0, G_MAXINT,
342 DEFAULT_BUFFER_SIZE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
344 g_object_class_install_property (gobject_class, PROP_BIND_ADDRESS,
345 g_param_spec_string ("bind-address", "Bind Address",
346 "Address to bind the socket to", DEFAULT_BIND_ADDRESS,
347 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
348 g_object_class_install_property (gobject_class, PROP_BIND_PORT,
349 g_param_spec_int ("bind-port", "Bind Port",
350 "Port to bind the socket to", 0, G_MAXUINT16,
351 DEFAULT_BIND_PORT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
353 gst_element_class_add_pad_template (gstelement_class,
354 gst_static_pad_template_get (&sink_template));
356 gst_element_class_set_static_metadata (gstelement_class, "UDP packet sender",
358 "Send data over the network via UDP to one or multiple recipients "
359 "which can be added or removed at runtime using action signals",
360 "Wim Taymans <wim.taymans@gmail.com>");
362 gstbasesink_class->render = gst_multiudpsink_render;
363 gstbasesink_class->render_list = gst_multiudpsink_render_list;
364 gstbasesink_class->start = gst_multiudpsink_start;
365 gstbasesink_class->stop = gst_multiudpsink_stop;
366 gstbasesink_class->unlock = gst_multiudpsink_unlock;
367 gstbasesink_class->unlock_stop = gst_multiudpsink_unlock_stop;
368 klass->add = gst_multiudpsink_add;
369 klass->remove = gst_multiudpsink_remove;
370 klass->clear = gst_multiudpsink_clear;
371 klass->get_stats = gst_multiudpsink_get_stats;
373 GST_DEBUG_CATEGORY_INIT (multiudpsink_debug, "multiudpsink", 0, "UDP sink");
377 gst_multiudpsink_init (GstMultiUDPSink * sink)
381 g_mutex_init (&sink->client_lock);
382 sink->clients = NULL;
383 sink->num_v4_unique = 0;
384 sink->num_v4_all = 0;
385 sink->num_v6_unique = 0;
386 sink->num_v6_all = 0;
388 sink->socket = DEFAULT_SOCKET;
389 sink->socket_v6 = DEFAULT_SOCKET;
390 sink->used_socket = DEFAULT_USED_SOCKET;
391 sink->used_socket_v6 = DEFAULT_USED_SOCKET;
392 sink->close_socket = DEFAULT_CLOSE_SOCKET;
393 sink->external_socket = (sink->socket != NULL);
394 sink->auto_multicast = DEFAULT_AUTO_MULTICAST;
395 sink->ttl = DEFAULT_TTL;
396 sink->ttl_mc = DEFAULT_TTL_MC;
397 sink->loop = DEFAULT_LOOP;
398 sink->force_ipv4 = DEFAULT_FORCE_IPV4;
399 sink->qos_dscp = DEFAULT_QOS_DSCP;
400 sink->send_duplicates = DEFAULT_SEND_DUPLICATES;
401 sink->multi_iface = g_strdup (DEFAULT_MULTICAST_IFACE);
403 sink->cancellable = g_cancellable_new ();
405 /* pre-allocate OutputVector, MapInfo and OutputMessage arrays
406 * for use in the render and render_list functions */
407 max_mem = gst_buffer_get_max_memory ();
409 sink->n_vecs = max_mem;
410 sink->vecs = g_new (GOutputVector, sink->n_vecs);
412 sink->n_maps = max_mem;
413 sink->maps = g_new (GstMapInfo, sink->n_maps);
415 sink->n_messages = 1;
416 sink->messages = g_new (GstOutputMessage, sink->n_messages);
418 /* we assume that the number of memories per buffer can fit into a guint8 */
419 g_warn_if_fail (max_mem <= G_MAXUINT8);
422 static GstUDPClient *
423 gst_udp_client_new (GstMultiUDPSink * sink, const gchar * host, gint port)
425 GstUDPClient *client;
430 addr = g_inet_address_new_from_string (host);
434 resolver = g_resolver_get_default ();
436 g_resolver_lookup_by_name (resolver, host, sink->cancellable, &err);
439 addr = G_INET_ADDRESS (g_object_ref (results->data));
441 g_resolver_free_addresses (results);
442 g_object_unref (resolver);
444 #ifndef GST_DISABLE_GST_DEBUG
446 gchar *ip = g_inet_address_to_string (addr);
448 GST_DEBUG_OBJECT (sink, "IP address for host %s is %s", host, ip);
453 client = g_slice_new0 (GstUDPClient);
454 client->ref_count = 1;
455 client->add_count = 0;
456 client->host = g_strdup (host);
458 client->addr = g_inet_socket_address_new (addr, port);
459 g_object_unref (addr);
465 g_object_unref (resolver);
471 /* call with client lock held */
473 gst_udp_client_unref (GstUDPClient * client)
475 if (--client->ref_count == 0) {
476 g_object_unref (client->addr);
477 g_free (client->host);
478 g_slice_free (GstUDPClient, client);
482 /* call with client lock held */
483 static inline GstUDPClient *
484 gst_udp_client_ref (GstUDPClient * client)
491 client_compare (GstUDPClient * a, GstUDPClient * b)
493 if ((a->port == b->port) && (strcmp (a->host, b->host) == 0))
500 gst_multiudpsink_finalize (GObject * object)
502 GstMultiUDPSink *sink;
504 sink = GST_MULTIUDPSINK (object);
506 g_list_foreach (sink->clients, (GFunc) gst_udp_client_unref, NULL);
507 g_list_free (sink->clients);
510 g_object_unref (sink->socket);
514 g_object_unref (sink->socket_v6);
515 sink->socket_v6 = NULL;
517 if (sink->used_socket)
518 g_object_unref (sink->used_socket);
519 sink->used_socket = NULL;
521 if (sink->used_socket_v6)
522 g_object_unref (sink->used_socket_v6);
523 sink->used_socket_v6 = NULL;
525 if (sink->cancellable)
526 g_object_unref (sink->cancellable);
527 sink->cancellable = NULL;
529 g_free (sink->multi_iface);
530 sink->multi_iface = NULL;
536 g_free (sink->messages);
537 sink->messages = NULL;
539 g_free (sink->bind_address);
540 sink->bind_address = NULL;
542 g_mutex_clear (&sink->client_lock);
544 G_OBJECT_CLASS (parent_class)->finalize (object);
547 /* replacement until we can depend unconditionally on the real one in GLib */
548 #ifndef HAVE_G_SOCKET_SEND_MESSAGES
549 #define g_socket_send_messages gst_socket_send_messages
552 gst_socket_send_messages (GSocket * socket, GstOutputMessage * messages,
553 guint num_messages, gint flags, GCancellable * cancellable, GError ** error)
558 for (i = 0; i < num_messages; ++i) {
559 GstOutputMessage *msg = &messages[i];
560 GError *msg_error = NULL;
562 result = g_socket_send_message (socket, msg->address,
563 msg->vectors, msg->num_vectors,
564 msg->control_messages, msg->num_control_messages,
565 flags, cancellable, &msg_error);
568 /* if we couldn't send all messages, just return how many we did
569 * manage to send, provided we managed to send at least one */
570 if (msg_error->code == G_IO_ERROR_WOULD_BLOCK && i > 0) {
571 g_error_free (msg_error);
574 g_propagate_error (error, msg_error);
579 msg->bytes_sent = result;
584 #endif /* HAVE_G_SOCKET_SEND_MESSAGES */
587 fill_vectors (GOutputVector * vecs, GstMapInfo * maps, guint n, GstBuffer * buf)
593 g_assert (gst_buffer_n_memory (buf) == n);
595 for (i = 0; i < n; ++i) {
596 mem = gst_buffer_peek_memory (buf, i);
597 if (gst_memory_map (mem, &maps[i], GST_MAP_READ)) {
598 vecs[i].buffer = maps[i].data;
599 vecs[i].size = maps[i].size;
601 GST_WARNING ("Failed to map memory %p for reading", mem);
605 size += vecs[i].size;
612 gst_udp_calc_message_size (GstOutputMessage * msg)
617 for (i = 0; i < msg->num_vectors; ++i)
618 size += msg->vectors[i].size;
624 gst_udp_messsages_find_first_not_sent (GstOutputMessage * messages,
629 for (i = 0; i < num_messages; ++i) {
630 GstOutputMessage *msg = &messages[i];
632 if (msg->bytes_sent == 0 && gst_udp_calc_message_size (msg) > 0)
639 static inline gchar *
640 gst_udp_address_get_string (GSocketAddress * addr, gchar * s, gsize size)
642 GInetSocketAddress *isa = G_INET_SOCKET_ADDRESS (addr);
646 ia = g_inet_socket_address_get_address (isa);
647 addr_str = g_inet_address_to_string (ia);
648 g_snprintf (s, size, "%s:%u", addr_str, g_inet_socket_address_get_port (isa));
654 /* Wrapper around g_socket_send_messages() plus error handling (ignoring).
655 * Returns FALSE if we got cancelled, otherwise TRUE. */
657 gst_multiudpsink_send_messages (GstMultiUDPSink * sink, GSocket * socket,
658 GstOutputMessage * messages, guint num_messages)
660 gboolean sent_max_size_warning = FALSE;
662 while (num_messages > 0) {
663 gchar astr[64] G_GNUC_UNUSED;
665 guint msg_size, skip, i;
668 ret = g_socket_send_messages (socket, messages, num_messages, 0,
669 sink->cancellable, &err);
671 if (G_UNLIKELY (ret < 0)) {
672 GstOutputMessage *msg;
674 if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
675 g_clear_error (&err);
679 err_idx = gst_udp_messsages_find_first_not_sent (messages, num_messages);
683 msg = &messages[err_idx];
684 msg_size = gst_udp_calc_message_size (msg);
686 GST_LOG_OBJECT (sink, "error sending %u bytes to client %s: %s", msg_size,
687 gst_udp_address_get_string (msg->address, astr, sizeof (astr)),
691 if (msg_size > UDP_MAX_SIZE) {
692 if (!sent_max_size_warning) {
693 GST_ELEMENT_WARNING (sink, RESOURCE, WRITE,
694 ("Attempting to send a UDP packets larger than maximum size "
695 "(%u > %d)", msg_size, UDP_MAX_SIZE),
696 ("Reason: %s", err ? err->message : "unknown reason"));
697 sent_max_size_warning = FALSE;
700 GST_ELEMENT_WARNING (sink, RESOURCE, WRITE,
701 ("Error sending UDP packets"), ("client %s, reason: %s",
702 gst_udp_address_get_string (msg->address, astr, sizeof (astr)),
703 (err != NULL) ? err->message : "unknown reason"));
705 for (i = err_idx + 1; i < num_messages; ++i, ++skip) {
706 if (messages[i].address != msg->address)
709 GST_DEBUG_OBJECT (sink, "skipping %d message(s) to same client", skip);
712 /* ignore any errors and try sending the rest */
713 g_clear_error (&err);
717 g_assert (ret <= num_messages);
727 gst_multiudpsink_render_buffers (GstMultiUDPSink * sink, GstBuffer ** buffers,
728 guint num_buffers, guint8 * mem_nums, guint total_mem_num)
730 GstOutputMessage *msgs;
731 gboolean send_duplicates;
732 GstUDPClient **clients;
734 GstMapInfo *map_infos;
735 GstFlowReturn flow_ret;
736 guint num_addr_v4, num_addr_v6;
737 guint num_addr, num_msgs;
743 send_duplicates = sink->send_duplicates;
745 g_mutex_lock (&sink->client_lock);
747 if (send_duplicates) {
748 num_addr_v4 = sink->num_v4_all;
749 num_addr_v6 = sink->num_v6_all;
751 num_addr_v4 = sink->num_v4_unique;
752 num_addr_v6 = sink->num_v6_unique;
754 num_addr = num_addr_v4 + num_addr_v6;
759 clients = g_newa (GstUDPClient *, num_addr);
760 for (l = sink->clients, i = 0; l != NULL; l = l->next) {
761 GstUDPClient *client = l->data;
763 clients[i++] = gst_udp_client_ref (client);
764 for (j = 1; send_duplicates && j < client->add_count; ++j)
765 clients[i++] = gst_udp_client_ref (client);
767 g_assert_cmpuint (i, ==, num_addr);
769 g_mutex_unlock (&sink->client_lock);
771 GST_LOG_OBJECT (sink, "%u buffers, %u memories -> to be sent to %u clients",
772 num_buffers, total_mem_num, num_addr);
774 /* ensure our pre-allocated scratch space arrays are large enough */
775 if (sink->n_vecs < total_mem_num) {
776 sink->n_vecs = GST_ROUND_UP_16 (total_mem_num);
778 sink->vecs = g_new (GOutputVector, sink->n_vecs);
782 if (sink->n_maps < total_mem_num) {
783 sink->n_maps = GST_ROUND_UP_16 (total_mem_num);
785 sink->maps = g_new (GstMapInfo, sink->n_maps);
787 map_infos = sink->maps;
789 num_msgs = num_addr * num_buffers;
790 if (sink->n_messages < num_msgs) {
791 sink->n_messages = GST_ROUND_UP_16 (num_msgs);
792 g_free (sink->messages);
793 sink->messages = g_new (GstOutputMessage, sink->n_messages);
795 msgs = sink->messages;
797 /* populate first num_buffers messages with output vectors for the buffers */
798 for (i = 0, mem = 0; i < num_buffers; ++i) {
799 size += fill_vectors (&vecs[mem], &map_infos[mem], mem_nums[i], buffers[i]);
800 msgs[i].vectors = &vecs[mem];
801 msgs[i].num_vectors = mem_nums[i];
802 msgs[i].num_control_messages = 0;
803 msgs[i].control_messages = NULL;
804 msgs[i].address = clients[0]->addr;
808 /* FIXME: how about some locking? (there wasn't any before either, but..) */
809 sink->bytes_to_serve += size;
811 /* now copy the pre-filled num_buffer messages over to the next num_buffer
812 * messages for the next client, where we also change the target adddress */
813 for (i = 1; i < num_addr; ++i) {
814 for (j = 0; j < num_buffers; ++j) {
815 msgs[i * num_buffers + j] = msgs[j];
816 msgs[i * num_buffers + j].address = clients[i]->addr;
824 /* no IPv4 socket? Send it all from the IPv6 socket then.. */
825 if (sink->used_socket == NULL) {
826 ret = gst_multiudpsink_send_messages (sink, sink->used_socket_v6,
829 guint num_msgs_v4 = num_buffers * num_addr_v4;
830 guint num_msgs_v6 = num_buffers * num_addr_v6;
832 /* our client list is sorted with IPv4 clients first and IPv6 ones last */
833 ret = gst_multiudpsink_send_messages (sink, sink->used_socket,
839 ret = gst_multiudpsink_send_messages (sink, sink->used_socket_v6,
840 msgs + num_msgs_v4, num_msgs_v6);
847 flow_ret = GST_FLOW_OK;
849 /* now update stats */
850 g_mutex_lock (&sink->client_lock);
852 for (i = 0; i < num_addr; ++i) {
853 GstUDPClient *client = clients[i];
855 for (j = 0; j < num_buffers; ++j) {
858 bytes_sent = msgs[i * num_buffers + j].bytes_sent;
860 client->bytes_sent += bytes_sent;
861 client->packets_sent++;
862 sink->bytes_served += bytes_sent;
864 gst_udp_client_unref (client);
867 g_mutex_unlock (&sink->client_lock);
871 for (i = 0; i < mem; ++i)
872 gst_memory_unmap (map_infos[i].memory, &map_infos[i]);
878 g_mutex_unlock (&sink->client_lock);
879 GST_LOG_OBJECT (sink, "no clients");
884 GST_INFO_OBJECT (sink, "cancelled");
885 g_clear_error (&err);
886 flow_ret = GST_FLOW_FLUSHING;
888 g_mutex_lock (&sink->client_lock);
889 for (i = 0; i < num_addr; ++i)
890 gst_udp_client_unref (clients[i]);
891 g_mutex_unlock (&sink->client_lock);
897 gst_multiudpsink_render_list (GstBaseSink * bsink, GstBufferList * buffer_list)
899 GstMultiUDPSink *sink;
904 guint i, num_buffers;
906 sink = GST_MULTIUDPSINK_CAST (bsink);
908 num_buffers = gst_buffer_list_length (buffer_list);
909 if (num_buffers == 0)
912 buffers = g_newa (GstBuffer *, num_buffers);
913 mem_nums = g_newa (guint8, num_buffers);
914 for (i = 0, total_mems = 0; i < num_buffers; ++i) {
915 buffers[i] = gst_buffer_list_get (buffer_list, i);
916 mem_nums[i] = gst_buffer_n_memory (buffers[i]);
917 total_mems += mem_nums[i];
920 flow = gst_multiudpsink_render_buffers (sink, buffers, num_buffers,
921 mem_nums, total_mems);
927 GST_LOG_OBJECT (sink, "empty buffer");
933 gst_multiudpsink_render (GstBaseSink * bsink, GstBuffer * buffer)
935 GstMultiUDPSink *sink;
939 sink = GST_MULTIUDPSINK_CAST (bsink);
941 n_mem = gst_buffer_n_memory (buffer);
944 flow = gst_multiudpsink_render_buffers (sink, &buffer, 1, &n_mem, n_mem);
952 gst_multiudpsink_set_clients_string (GstMultiUDPSink * sink,
953 const gchar * string)
958 clients = g_strsplit (string, ",", 0);
960 g_mutex_lock (&sink->client_lock);
961 /* clear all existing clients */
962 gst_multiudpsink_clear_internal (sink, FALSE);
963 for (i = 0; clients[i]; i++) {
968 p = strstr (clients[i], ":");
971 port = g_ascii_strtoll (p + 1, NULL, 10);
974 gst_multiudpsink_add_internal (sink, host, port, FALSE);
976 g_mutex_unlock (&sink->client_lock);
978 g_strfreev (clients);
982 gst_multiudpsink_get_clients_string (GstMultiUDPSink * sink)
987 str = g_string_new ("");
989 g_mutex_lock (&sink->client_lock);
990 clients = sink->clients;
992 GstUDPClient *client;
995 client = (GstUDPClient *) clients->data;
997 clients = g_list_next (clients);
999 count = client->add_count;
1001 g_string_append_printf (str, "%s:%d%s", client->host, client->port,
1002 (clients || count > 1 ? "," : ""));
1005 g_mutex_unlock (&sink->client_lock);
1007 return g_string_free (str, FALSE);
1011 gst_multiudpsink_setup_qos_dscp (GstMultiUDPSink * sink, GSocket * socket)
1013 /* don't touch on -1 */
1014 if (sink->qos_dscp < 0)
1025 fd = g_socket_get_fd (socket);
1027 GST_DEBUG_OBJECT (sink, "setting TOS to %d", sink->qos_dscp);
1029 /* Extract and shift 6 bits of DSFIELD */
1030 tos = (sink->qos_dscp & 0x3f) << 2;
1032 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &tos, sizeof (tos)) < 0) {
1033 GST_ERROR_OBJECT (sink, "could not set TOS: %s", g_strerror (errno));
1036 if (setsockopt (fd, IPPROTO_IPV6, IPV6_TCLASS, &tos, sizeof (tos)) < 0) {
1037 GST_ERROR_OBJECT (sink, "could not set TCLASS: %s", g_strerror (errno));
1045 gst_multiudpsink_set_property (GObject * object, guint prop_id,
1046 const GValue * value, GParamSpec * pspec)
1048 GstMultiUDPSink *udpsink;
1050 udpsink = GST_MULTIUDPSINK (object);
1054 if (udpsink->socket != NULL && udpsink->socket != udpsink->used_socket &&
1055 udpsink->close_socket) {
1058 if (!g_socket_close (udpsink->socket, &err)) {
1059 GST_ERROR ("failed to close socket %p: %s", udpsink->socket,
1061 g_clear_error (&err);
1064 if (udpsink->socket)
1065 g_object_unref (udpsink->socket);
1066 udpsink->socket = g_value_dup_object (value);
1067 GST_DEBUG_OBJECT (udpsink, "setting socket to %p", udpsink->socket);
1069 case PROP_SOCKET_V6:
1070 if (udpsink->socket_v6 != NULL
1071 && udpsink->socket_v6 != udpsink->used_socket_v6
1072 && udpsink->close_socket) {
1075 if (!g_socket_close (udpsink->socket_v6, &err)) {
1076 GST_ERROR ("failed to close socket %p: %s", udpsink->socket_v6,
1078 g_clear_error (&err);
1081 if (udpsink->socket_v6)
1082 g_object_unref (udpsink->socket_v6);
1083 udpsink->socket_v6 = g_value_dup_object (value);
1084 GST_DEBUG_OBJECT (udpsink, "setting socket to %p", udpsink->socket_v6);
1086 case PROP_CLOSE_SOCKET:
1087 udpsink->close_socket = g_value_get_boolean (value);
1090 gst_multiudpsink_set_clients_string (udpsink, g_value_get_string (value));
1092 case PROP_AUTO_MULTICAST:
1093 udpsink->auto_multicast = g_value_get_boolean (value);
1095 case PROP_MULTICAST_IFACE:
1096 g_free (udpsink->multi_iface);
1098 if (g_value_get_string (value) == NULL)
1099 udpsink->multi_iface = g_strdup (DEFAULT_MULTICAST_IFACE);
1101 udpsink->multi_iface = g_value_dup_string (value);
1104 udpsink->ttl = g_value_get_int (value);
1107 udpsink->ttl_mc = g_value_get_int (value);
1110 udpsink->loop = g_value_get_boolean (value);
1112 case PROP_FORCE_IPV4:
1113 udpsink->force_ipv4 = g_value_get_boolean (value);
1116 udpsink->qos_dscp = g_value_get_int (value);
1117 gst_multiudpsink_setup_qos_dscp (udpsink, udpsink->used_socket);
1118 gst_multiudpsink_setup_qos_dscp (udpsink, udpsink->used_socket_v6);
1120 case PROP_SEND_DUPLICATES:
1121 udpsink->send_duplicates = g_value_get_boolean (value);
1123 case PROP_BUFFER_SIZE:
1124 udpsink->buffer_size = g_value_get_int (value);
1126 case PROP_BIND_ADDRESS:
1127 g_free (udpsink->bind_address);
1128 udpsink->bind_address = g_value_dup_string (value);
1130 case PROP_BIND_PORT:
1131 udpsink->bind_port = g_value_get_int (value);
1134 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1140 gst_multiudpsink_get_property (GObject * object, guint prop_id, GValue * value,
1143 GstMultiUDPSink *udpsink;
1145 udpsink = GST_MULTIUDPSINK (object);
1148 case PROP_BYTES_TO_SERVE:
1149 g_value_set_uint64 (value, udpsink->bytes_to_serve);
1151 case PROP_BYTES_SERVED:
1152 g_value_set_uint64 (value, udpsink->bytes_served);
1155 g_value_set_object (value, udpsink->socket);
1157 case PROP_SOCKET_V6:
1158 g_value_set_object (value, udpsink->socket_v6);
1160 case PROP_CLOSE_SOCKET:
1161 g_value_set_boolean (value, udpsink->close_socket);
1163 case PROP_USED_SOCKET:
1164 g_value_set_object (value, udpsink->used_socket);
1166 case PROP_USED_SOCKET_V6:
1167 g_value_set_object (value, udpsink->used_socket_v6);
1170 g_value_take_string (value,
1171 gst_multiudpsink_get_clients_string (udpsink));
1173 case PROP_AUTO_MULTICAST:
1174 g_value_set_boolean (value, udpsink->auto_multicast);
1176 case PROP_MULTICAST_IFACE:
1177 g_value_set_string (value, udpsink->multi_iface);
1180 g_value_set_int (value, udpsink->ttl);
1183 g_value_set_int (value, udpsink->ttl_mc);
1186 g_value_set_boolean (value, udpsink->loop);
1188 case PROP_FORCE_IPV4:
1189 g_value_set_boolean (value, udpsink->force_ipv4);
1192 g_value_set_int (value, udpsink->qos_dscp);
1194 case PROP_SEND_DUPLICATES:
1195 g_value_set_boolean (value, udpsink->send_duplicates);
1197 case PROP_BUFFER_SIZE:
1198 g_value_set_int (value, udpsink->buffer_size);
1200 case PROP_BIND_ADDRESS:
1201 g_value_set_string (value, udpsink->bind_address);
1203 case PROP_BIND_PORT:
1204 g_value_set_int (value, udpsink->bind_port);
1207 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1213 gst_multiudpsink_configure_client (GstMultiUDPSink * sink,
1214 GstUDPClient * client)
1216 GInetSocketAddress *saddr = G_INET_SOCKET_ADDRESS (client->addr);
1217 GInetAddress *addr = g_inet_socket_address_get_address (saddr);
1218 GSocketFamily family = g_socket_address_get_family (G_SOCKET_ADDRESS (saddr));
1222 GST_DEBUG_OBJECT (sink, "configuring client %p", client);
1224 if (family == G_SOCKET_FAMILY_IPV6 && !sink->used_socket_v6)
1225 goto invalid_family;
1227 /* Select socket to send from for this address */
1228 if (family == G_SOCKET_FAMILY_IPV6 || !sink->used_socket)
1229 socket = sink->used_socket_v6;
1231 socket = sink->used_socket;
1233 if (g_inet_address_get_is_multicast (addr)) {
1234 GST_DEBUG_OBJECT (sink, "we have a multicast client %p", client);
1235 if (sink->auto_multicast) {
1236 GST_DEBUG_OBJECT (sink, "autojoining group");
1237 if (!g_socket_join_multicast_group (socket, addr, FALSE,
1238 sink->multi_iface, &err))
1239 goto join_group_failed;
1241 GST_DEBUG_OBJECT (sink, "setting loop to %d", sink->loop);
1242 g_socket_set_multicast_loopback (socket, sink->loop);
1243 GST_DEBUG_OBJECT (sink, "setting ttl to %d", sink->ttl_mc);
1244 g_socket_set_multicast_ttl (socket, sink->ttl_mc);
1246 GST_DEBUG_OBJECT (sink, "setting unicast ttl to %d", sink->ttl);
1247 g_socket_set_ttl (socket, sink->ttl);
1254 gst_multiudpsink_stop (GST_BASE_SINK (sink));
1255 GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
1256 ("Could not join multicast group: %s",
1257 err ? err->message : "unknown reason"));
1258 g_clear_error (&err);
1263 gst_multiudpsink_stop (GST_BASE_SINK (sink));
1264 GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
1265 ("Invalid address family (got %d)", family));
1270 /* create a socket for sending to remote machine */
1272 gst_multiudpsink_start (GstBaseSink * bsink)
1274 GstMultiUDPSink *sink;
1276 GstUDPClient *client;
1279 sink = GST_MULTIUDPSINK (bsink);
1281 sink->external_socket = FALSE;
1284 GST_DEBUG_OBJECT (sink, "using configured socket");
1285 if (g_socket_get_family (sink->socket) == G_SOCKET_FAMILY_IPV6) {
1286 sink->used_socket_v6 = G_SOCKET (g_object_ref (sink->socket));
1287 sink->external_socket = TRUE;
1289 sink->used_socket = G_SOCKET (g_object_ref (sink->socket));
1290 sink->external_socket = TRUE;
1294 if (sink->socket_v6) {
1295 GST_DEBUG_OBJECT (sink, "using configured IPv6 socket");
1296 g_return_val_if_fail (g_socket_get_family (sink->socket) !=
1297 G_SOCKET_FAMILY_IPV6, FALSE);
1299 if (sink->used_socket_v6 && sink->used_socket_v6 != sink->socket_v6) {
1300 GST_ERROR_OBJECT (sink,
1301 "Provided different IPv6 sockets in socket and socket-v6 properties");
1305 sink->used_socket_v6 = G_SOCKET (g_object_ref (sink->socket_v6));
1306 sink->external_socket = TRUE;
1309 if (!sink->used_socket && !sink->used_socket_v6) {
1310 GSocketAddress *bind_addr;
1311 GInetAddress *bind_iaddr;
1313 if (sink->bind_address) {
1314 GSocketFamily family;
1316 bind_iaddr = g_inet_address_new_from_string (sink->bind_address);
1319 GResolver *resolver;
1321 resolver = g_resolver_get_default ();
1323 g_resolver_lookup_by_name (resolver, sink->bind_address,
1324 sink->cancellable, &err);
1326 g_object_unref (resolver);
1329 bind_iaddr = G_INET_ADDRESS (g_object_ref (results->data));
1330 g_resolver_free_addresses (results);
1331 g_object_unref (resolver);
1334 bind_addr = g_inet_socket_address_new (bind_iaddr, sink->bind_port);
1335 g_object_unref (bind_iaddr);
1336 family = g_socket_address_get_family (G_SOCKET_ADDRESS (bind_addr));
1338 if ((sink->used_socket =
1339 g_socket_new (family, G_SOCKET_TYPE_DATAGRAM,
1340 G_SOCKET_PROTOCOL_UDP, &err)) == NULL) {
1341 g_object_unref (bind_addr);
1345 g_socket_bind (sink->used_socket, bind_addr, TRUE, &err);
1349 /* create sender sockets if none available */
1350 if ((sink->used_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
1351 G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, &err)) == NULL)
1354 bind_iaddr = g_inet_address_new_any (G_SOCKET_FAMILY_IPV4);
1355 bind_addr = g_inet_socket_address_new (bind_iaddr, sink->bind_port);
1356 g_socket_bind (sink->used_socket, bind_addr, TRUE, &err);
1357 g_object_unref (bind_addr);
1358 g_object_unref (bind_iaddr);
1362 if ((sink->used_socket_v6 = g_socket_new (G_SOCKET_FAMILY_IPV6,
1363 G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP,
1365 GST_INFO_OBJECT (sink, "Failed to create IPv6 socket: %s",
1367 g_clear_error (&err);
1369 bind_iaddr = g_inet_address_new_any (G_SOCKET_FAMILY_IPV6);
1370 bind_addr = g_inet_socket_address_new (bind_iaddr, sink->bind_port);
1371 g_socket_bind (sink->used_socket_v6, bind_addr, TRUE, &err);
1372 g_object_unref (bind_addr);
1373 g_object_unref (bind_iaddr);
1384 len = sizeof (sndsize);
1385 if (sink->buffer_size != 0) {
1386 sndsize = sink->buffer_size;
1388 GST_DEBUG_OBJECT (sink, "setting udp buffer of %d bytes", sndsize);
1389 /* set buffer size, Note that on Linux this is typically limited to a
1390 * maximum of around 100K. Also a minimum of 128 bytes is required on
1393 if (sink->used_socket) {
1395 setsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET,
1396 SO_SNDBUF, (void *) &sndsize, len);
1398 GST_ELEMENT_WARNING (sink, RESOURCE, SETTINGS, (NULL),
1399 ("Could not create a buffer of requested %d bytes, %d: %s",
1400 sndsize, ret, g_strerror (errno)));
1404 if (sink->used_socket_v6) {
1406 setsockopt (g_socket_get_fd (sink->used_socket_v6), SOL_SOCKET,
1407 SO_SNDBUF, (void *) &sndsize, len);
1409 GST_ELEMENT_WARNING (sink, RESOURCE, SETTINGS, (NULL),
1410 ("Could not create a buffer of requested %d bytes, %d: %s",
1411 sndsize, ret, g_strerror (errno)));
1416 /* read the value of the receive buffer. Note that on linux this returns 2x the
1417 * value we set because the kernel allocates extra memory for metadata.
1418 * The default on Linux is about 100K (which is about 50K without metadata) */
1419 if (sink->used_socket) {
1421 getsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET,
1422 SO_SNDBUF, (void *) &sndsize, &len);
1424 GST_DEBUG_OBJECT (sink, "have UDP buffer of %d bytes", sndsize);
1426 GST_DEBUG_OBJECT (sink, "could not get UDP buffer size");
1429 if (sink->used_socket_v6) {
1431 getsockopt (g_socket_get_fd (sink->used_socket_v6), SOL_SOCKET,
1432 SO_SNDBUF, (void *) &sndsize, &len);
1434 GST_DEBUG_OBJECT (sink, "have UDPv6 buffer of %d bytes", sndsize);
1436 GST_DEBUG_OBJECT (sink, "could not get UDPv6 buffer size");
1441 #ifdef SO_BINDTODEVICE
1442 if (sink->multi_iface) {
1443 if (sink->used_socket) {
1444 if (setsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET,
1445 SO_BINDTODEVICE, sink->multi_iface,
1446 strlen (sink->multi_iface)) < 0)
1447 GST_WARNING_OBJECT (sink, "setsockopt SO_BINDTODEVICE failed: %s",
1450 if (sink->used_socket_v6) {
1451 if (setsockopt (g_socket_get_fd (sink->used_socket_v6), SOL_SOCKET,
1452 SO_BINDTODEVICE, sink->multi_iface,
1453 strlen (sink->multi_iface)) < 0)
1454 GST_WARNING_OBJECT (sink, "setsockopt SO_BINDTODEVICE failed (v6): %s",
1460 if (sink->used_socket)
1461 g_socket_set_broadcast (sink->used_socket, TRUE);
1462 if (sink->used_socket_v6)
1463 g_socket_set_broadcast (sink->used_socket_v6, TRUE);
1465 sink->bytes_to_serve = 0;
1466 sink->bytes_served = 0;
1468 gst_multiudpsink_setup_qos_dscp (sink, sink->used_socket);
1469 gst_multiudpsink_setup_qos_dscp (sink, sink->used_socket_v6);
1471 /* look for multicast clients and join multicast groups appropriately
1472 set also ttl and multicast loopback delivery appropriately */
1473 for (clients = sink->clients; clients; clients = g_list_next (clients)) {
1474 client = (GstUDPClient *) clients->data;
1476 if (!gst_multiudpsink_configure_client (sink, client))
1484 GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
1485 ("Could not create socket: %s", err->message));
1486 g_clear_error (&err);
1491 GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
1492 ("Failed to bind socket: %s", err->message));
1493 g_clear_error (&err);
1498 GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
1499 ("Failed to resolve bind address %s: %s", sink->bind_address,
1501 g_clear_error (&err);
1507 gst_multiudpsink_stop (GstBaseSink * bsink)
1509 GstMultiUDPSink *udpsink;
1511 udpsink = GST_MULTIUDPSINK (bsink);
1513 if (udpsink->used_socket) {
1514 if (udpsink->close_socket || !udpsink->external_socket) {
1517 if (!g_socket_close (udpsink->used_socket, &err)) {
1518 GST_ERROR_OBJECT (udpsink, "Failed to close socket: %s", err->message);
1519 g_clear_error (&err);
1523 g_object_unref (udpsink->used_socket);
1524 udpsink->used_socket = NULL;
1527 if (udpsink->used_socket_v6) {
1528 if (udpsink->close_socket || !udpsink->external_socket) {
1531 if (!g_socket_close (udpsink->used_socket_v6, &err)) {
1532 GST_ERROR_OBJECT (udpsink, "Failed to close socket: %s", err->message);
1533 g_clear_error (&err);
1537 g_object_unref (udpsink->used_socket_v6);
1538 udpsink->used_socket_v6 = NULL;
1545 gst_udp_client_compare_socket_family (GstUDPClient * a, GstUDPClient * b)
1547 GSocketFamily fa = g_socket_address_get_family (a->addr);
1548 GSocketFamily fb = g_socket_address_get_family (b->addr);
1553 /* a should go before b */
1554 if (fa == G_SOCKET_FAMILY_IPV4 && fb == G_SOCKET_FAMILY_IPV6)
1557 /* b should go before a */
1562 gst_multiudpsink_add_internal (GstMultiUDPSink * sink, const gchar * host,
1563 gint port, gboolean lock)
1565 GSocketFamily family;
1566 GstUDPClient *client;
1567 GstUDPClient udpclient;
1571 udpclient.host = (gchar *) host;
1572 udpclient.port = port;
1574 GST_DEBUG_OBJECT (sink, "adding client on host %s, port %d", host, port);
1577 g_mutex_lock (&sink->client_lock);
1579 find = g_list_find_custom (sink->clients, &udpclient,
1580 (GCompareFunc) client_compare);
1583 find = g_list_find_custom (sink->clients_to_be_removed, &udpclient,
1584 (GCompareFunc) client_compare);
1586 gst_udp_client_ref (find->data);
1590 client = (GstUDPClient *) find->data;
1592 family = g_socket_address_get_family (client->addr);
1594 GST_DEBUG_OBJECT (sink, "found %d existing clients with host %s, port %d",
1595 client->add_count, host, port);
1597 client = gst_udp_client_new (sink, host, port);
1601 family = g_socket_address_get_family (client->addr);
1603 g_get_current_time (&now);
1604 client->connect_time = GST_TIMEVAL_TO_TIME (now);
1606 if (sink->used_socket)
1607 gst_multiudpsink_configure_client (sink, client);
1609 GST_DEBUG_OBJECT (sink, "add client with host %s, port %d", host, port);
1611 /* keep IPv4 clients at the beginning, and IPv6 at the end, we can make
1612 * use of this in gst_multiudpsink_render_buffers() */
1613 sink->clients = g_list_insert_sorted (sink->clients, client,
1614 (GCompareFunc) gst_udp_client_compare_socket_family);
1616 if (family == G_SOCKET_FAMILY_IPV4)
1617 ++sink->num_v4_unique;
1619 ++sink->num_v6_unique;
1622 ++client->add_count;
1624 if (family == G_SOCKET_FAMILY_IPV4)
1630 g_mutex_unlock (&sink->client_lock);
1632 g_signal_emit (G_OBJECT (sink),
1633 gst_multiudpsink_signals[SIGNAL_CLIENT_ADDED], 0, host, port);
1635 GST_DEBUG_OBJECT (sink, "added client on host %s, port %d", host, port);
1641 GST_DEBUG_OBJECT (sink, "did not add client on host %s, port %d", host,
1644 g_mutex_unlock (&sink->client_lock);
1650 gst_multiudpsink_add (GstMultiUDPSink * sink, const gchar * host, gint port)
1652 gst_multiudpsink_add_internal (sink, host, port, TRUE);
1656 gst_multiudpsink_remove (GstMultiUDPSink * sink, const gchar * host, gint port)
1658 GSocketFamily family;
1660 GstUDPClient udpclient;
1661 GstUDPClient *client;
1664 udpclient.host = (gchar *) host;
1665 udpclient.port = port;
1667 g_mutex_lock (&sink->client_lock);
1668 find = g_list_find_custom (sink->clients, &udpclient,
1669 (GCompareFunc) client_compare);
1673 client = (GstUDPClient *) find->data;
1675 GST_DEBUG_OBJECT (sink, "found %d clients with host %s, port %d",
1676 client->add_count, host, port);
1678 --client->add_count;
1680 family = g_socket_address_get_family (client->addr);
1681 if (family == G_SOCKET_FAMILY_IPV4)
1686 if (client->add_count == 0) {
1687 GInetSocketAddress *saddr = G_INET_SOCKET_ADDRESS (client->addr);
1688 GInetAddress *addr = g_inet_socket_address_get_address (saddr);
1691 /* Select socket to send from for this address */
1692 if (family == G_SOCKET_FAMILY_IPV6 || !sink->used_socket)
1693 socket = sink->used_socket_v6;
1695 socket = sink->used_socket;
1697 GST_DEBUG_OBJECT (sink, "remove client with host %s, port %d", host, port);
1699 g_get_current_time (&now);
1700 client->disconnect_time = GST_TIMEVAL_TO_TIME (now);
1702 if (socket && sink->auto_multicast
1703 && g_inet_address_get_is_multicast (addr)) {
1706 if (!g_socket_leave_multicast_group (socket, addr, FALSE,
1707 sink->multi_iface, &err)) {
1708 GST_DEBUG_OBJECT (sink, "Failed to leave multicast group: %s",
1710 g_clear_error (&err);
1714 if (family == G_SOCKET_FAMILY_IPV4)
1715 --sink->num_v4_unique;
1717 --sink->num_v6_unique;
1719 /* Keep state consistent for streaming thread, so remove from client list,
1720 * but keep it around until after the signal has been emitted, in case a
1721 * callback wants to get stats for that client or so */
1722 sink->clients = g_list_delete_link (sink->clients, find);
1724 sink->clients_to_be_removed =
1725 g_list_prepend (sink->clients_to_be_removed, client);
1727 /* Unlock to emit signal before we delete the actual client */
1728 g_mutex_unlock (&sink->client_lock);
1729 g_signal_emit (G_OBJECT (sink),
1730 gst_multiudpsink_signals[SIGNAL_CLIENT_REMOVED], 0, host, port);
1731 g_mutex_lock (&sink->client_lock);
1733 sink->clients_to_be_removed =
1734 g_list_remove (sink->clients_to_be_removed, client);
1736 gst_udp_client_unref (client);
1738 g_mutex_unlock (&sink->client_lock);
1745 g_mutex_unlock (&sink->client_lock);
1746 GST_WARNING_OBJECT (sink, "client at host %s, port %d not found",
1753 gst_multiudpsink_clear_internal (GstMultiUDPSink * sink, gboolean lock)
1755 GST_DEBUG_OBJECT (sink, "clearing");
1756 /* we only need to remove the client structure, there is no additional
1757 * socket or anything to free for UDP */
1759 g_mutex_lock (&sink->client_lock);
1760 g_list_foreach (sink->clients, (GFunc) gst_udp_client_unref, sink);
1761 g_list_free (sink->clients);
1762 sink->clients = NULL;
1763 sink->num_v4_unique = 0;
1764 sink->num_v4_all = 0;
1765 sink->num_v6_unique = 0;
1766 sink->num_v6_all = 0;
1768 g_mutex_unlock (&sink->client_lock);
1772 gst_multiudpsink_clear (GstMultiUDPSink * sink)
1774 gst_multiudpsink_clear_internal (sink, TRUE);
1778 gst_multiudpsink_get_stats (GstMultiUDPSink * sink, const gchar * host,
1781 GstUDPClient *client;
1782 GstStructure *result = NULL;
1783 GstUDPClient udpclient;
1786 udpclient.host = (gchar *) host;
1787 udpclient.port = port;
1789 g_mutex_lock (&sink->client_lock);
1791 find = g_list_find_custom (sink->clients, &udpclient,
1792 (GCompareFunc) client_compare);
1795 find = g_list_find_custom (sink->clients_to_be_removed, &udpclient,
1796 (GCompareFunc) client_compare);
1801 GST_DEBUG_OBJECT (sink, "stats for client with host %s, port %d", host, port);
1803 client = (GstUDPClient *) find->data;
1805 result = gst_structure_new_empty ("multiudpsink-stats");
1807 gst_structure_set (result,
1808 "bytes-sent", G_TYPE_UINT64, client->bytes_sent,
1809 "packets-sent", G_TYPE_UINT64, client->packets_sent,
1810 "connect-time", G_TYPE_UINT64, client->connect_time,
1811 "disconnect-time", G_TYPE_UINT64, client->disconnect_time, NULL);
1813 g_mutex_unlock (&sink->client_lock);
1820 g_mutex_unlock (&sink->client_lock);
1821 GST_WARNING_OBJECT (sink, "client with host %s, port %d not found",
1823 /* Apparently (see comment in gstmultifdsink.c) returning NULL from here may
1824 * confuse/break python bindings */
1825 return gst_structure_new_empty ("multiudpsink-stats");
1830 gst_multiudpsink_unlock (GstBaseSink * bsink)
1832 GstMultiUDPSink *sink;
1834 sink = GST_MULTIUDPSINK (bsink);
1836 g_cancellable_cancel (sink->cancellable);
1842 gst_multiudpsink_unlock_stop (GstBaseSink * bsink)
1844 GstMultiUDPSink *sink;
1846 sink = GST_MULTIUDPSINK (bsink);
1848 g_cancellable_reset (sink->cancellable);