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gst/udp/gstudpsrc.*: Added property to post a message on timeout.
Original commit message from CVS: * gst/udp/gstudpsrc.c: (gst_udpsrc_class_init), (gst_udpsrc_init), (gst_udpsrc_create), (gst_udpsrc_set_property), (gst_udpsrc_get_property), (gst_udpsrc_unlock), (gst_udpsrc_stop): * gst/udp/gstudpsrc.h: Added property to post a message on timeout. Updated docs. When restarting the select, initialize the fdsets again. Init control sockets so we don't accidentally close a random socket. API: GstUDPSrc::timeout property
This commit is contained in:
Wim Taymans
parent
e8c59d9da3
commit
fcd901a5bf
4 changed files with 104 additions and 35 deletions
12
ChangeLog
12
ChangeLog
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@ -1,3 +1,15 @@
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2006-09-29 Wim Taymans <wim@fluendo.com>
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* gst/udp/gstudpsrc.c: (gst_udpsrc_class_init), (gst_udpsrc_init),
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(gst_udpsrc_create), (gst_udpsrc_set_property),
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(gst_udpsrc_get_property), (gst_udpsrc_unlock), (gst_udpsrc_stop):
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* gst/udp/gstudpsrc.h:
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Added property to post a message on timeout.
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Updated docs.
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When restarting the select, initialize the fdsets again.
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Init control sockets so we don't accidentally close a random socket.
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API: GstUDPSrc::timeout property
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2006-09-29 Wim Taymans <wim@fluendo.com>
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* gst/rtsp/gstrtspsrc.c: (gst_rtsp_proto_get_type):
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2
common
2
common
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@ -1 +1 @@
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Subproject commit bdd0108b3540ffadeb82cee28b8867a8a6e7ae78
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Subproject commit 9991f6fa61ee11475c390dd6675ef7952f079e43
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@ -80,7 +80,25 @@
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* URIs.
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* </para>
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* <para>
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* Last reviewed on 2006-07-27 (0.10.4)
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* If the <link linkend="GstUDPSrc--timeout">timeout property</link> is set to a
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* value bigger than 0, udpsrc will generate an element message named
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* <classname>"GstUDPSrcTimeout"</classname>:
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* if no data was recieved in the given timeout.
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* The message's structure contains one field:
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* <itemizedlist>
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* <listitem>
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* <para>
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* #guint64
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* <classname>"timeout"</classname>: the timeout that expired when
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* waiting for data.
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* </para>
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* </listitem>
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* </itemizedlist>
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* The message is typically used to detect that no UDP arrives in the receiver
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* because it is blocked by a firewall.
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* </para>
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* <para>
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* Last reviewed on 2006-09-29 (0.10.5)
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* </para>
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* </refsect2>
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*/
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@ -109,10 +127,10 @@ GST_DEBUG_CATEGORY_STATIC (udpsrc_debug);
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#define WRITE_SOCKET(src) src->control_sock[1]
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#define READ_SOCKET(src) src->control_sock[0]
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#define SEND_COMMAND(src, command) \
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G_STMT_START { \
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unsigned char c; c = command; \
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write (WRITE_SOCKET(src), &c, 1); \
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#define SEND_COMMAND(src, command, res) \
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G_STMT_START { \
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unsigned char c; c = command; \
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res = write (WRITE_SOCKET(src), &c, 1); \
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} G_STMT_END
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#define READ_COMMAND(src, command, res) \
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@ -134,10 +152,11 @@ GST_ELEMENT_DETAILS ("UDP packet receiver",
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#define UDP_DEFAULT_PORT 4951
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#define UDP_DEFAULT_MULTICAST_GROUP "0.0.0.0"
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#define UDP_DEFAULT_BUFFER_SIZE 0
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#define UDP_DEFAULT_URI "udp://"UDP_DEFAULT_MULTICAST_GROUP":"G_STRINGIFY(UDP_DEFAULT_PORT)
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#define UDP_DEFAULT_CAPS NULL
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#define UDP_DEFAULT_SOCKFD -1
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#define UDP_DEFAULT_BUFFER_SIZE 0
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#define UDP_DEFAULT_TIMEOUT 0
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enum
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{
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@ -147,7 +166,8 @@ enum
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PROP_URI,
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PROP_CAPS,
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PROP_SOCKFD,
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PROP_BUFFER_SIZE
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PROP_BUFFER_SIZE,
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PROP_TIMEOUT
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};
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static void gst_udpsrc_uri_handler_init (gpointer g_iface, gpointer iface_data);
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@ -228,6 +248,10 @@ gst_udpsrc_class_init (GstUDPSrcClass * klass)
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g_param_spec_int ("buffer-size", "Buffer Size",
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"Size of the kernel receive buffer in bytes, 0=default", 0, G_MAXINT,
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UDP_DEFAULT_BUFFER_SIZE, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_TIMEOUT,
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g_param_spec_uint64 ("timeout", "Timeout",
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"Post a message after this timeout (in microseconds) (0 = disabled)",
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0, G_MAXUINT64, UDP_DEFAULT_TIMEOUT, G_PARAM_READWRITE));
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gstbasesrc_class->start = gst_udpsrc_start;
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gstbasesrc_class->stop = gst_udpsrc_stop;
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@ -248,6 +272,10 @@ gst_udpsrc_init (GstUDPSrc * udpsrc, GstUDPSrcClass * g_class)
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udpsrc->multi_group = g_strdup (UDP_DEFAULT_MULTICAST_GROUP);
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udpsrc->uri = g_strdup (UDP_DEFAULT_URI);
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udpsrc->buffer_size = UDP_DEFAULT_BUFFER_SIZE;
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udpsrc->timeout = UDP_DEFAULT_TIMEOUT;
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udpsrc->control_sock[0] = -1;
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udpsrc->control_sock[1] = -1;
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}
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static GstCaps *
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@ -277,8 +305,7 @@ gst_udpsrc_create (GstPushSrc * psrc, GstBuffer ** buf)
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#ifdef G_OS_UNIX
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gint readsize;
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#endif
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#ifdef G_OS_WIN32
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#elif defined G_OS_WIN32
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gulong readsize;
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#endif
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gint ret;
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@ -286,32 +313,43 @@ gst_udpsrc_create (GstPushSrc * psrc, GstBuffer ** buf)
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udpsrc = GST_UDPSRC (psrc);
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FD_ZERO (&read_fds);
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FD_SET (udpsrc->sock, &read_fds);
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#ifdef G_OS_UNIX
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FD_SET (READ_SOCKET (udpsrc), &read_fds);
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#endif
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max_sock = MAX (udpsrc->sock, READ_SOCKET (udpsrc));
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do {
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gboolean stop;
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struct timeval timeval, *timeout;
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FD_ZERO (&read_fds);
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FD_SET (udpsrc->sock, &read_fds);
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#ifndef G_OS_WIN32
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FD_SET (READ_SOCKET (udpsrc), &read_fds);
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#endif
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max_sock = MAX (udpsrc->sock, READ_SOCKET (udpsrc));
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try_again = FALSE;
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stop = FALSE;
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GST_LOG_OBJECT (udpsrc, "doing select");
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GST_LOG_OBJECT (udpsrc, "doing select, timeout %" G_GUINT64_FORMAT,
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udpsrc->timeout);
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if (udpsrc->timeout > 0) {
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timeval.tv_sec = udpsrc->timeout / 1000;
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timeval.tv_usec = (udpsrc->timeout % 1000) * 1000;
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timeout = &timeval;
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} else {
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timeout = NULL;
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}
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#ifdef G_OS_WIN32
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if (((max_sock + 1) != READ_SOCKET (udpsrc)) ||
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((max_sock + 1) != WRITE_SOCKET (udpsrc))) {
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ret = select (max_sock + 1, &read_fds, NULL, NULL, NULL);
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ret = select (max_sock + 1, &read_fds, NULL, NULL, timeout);
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} else {
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ret = 1;
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}
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#else
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ret = select (max_sock + 1, &read_fds, NULL, NULL, NULL);
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ret = select (max_sock + 1, &read_fds, NULL, NULL, timeout);
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#endif
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GST_LOG_OBJECT (udpsrc, "select returned %d", ret);
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if (ret <= 0) {
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if (ret < 0) {
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#ifdef G_OS_WIN32
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if (WSAGetLastError () != WSAEINTR)
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goto select_error;
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@ -320,6 +358,13 @@ gst_udpsrc_create (GstPushSrc * psrc, GstBuffer ** buf)
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goto select_error;
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#endif
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try_again = TRUE;
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} else if (ret == 0) {
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/* timeout, post element message */
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gst_element_post_message (GST_ELEMENT_CAST (udpsrc),
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gst_message_new_element (GST_OBJECT_CAST (udpsrc),
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gst_structure_new ("GstUDPSrcTimeout",
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"timeout", G_TYPE_UINT64, udpsrc->timeout, NULL)));
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try_again = TRUE;
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} else {
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if (FD_ISSET (READ_SOCKET (udpsrc), &read_fds)) {
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/* got control message */
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@ -353,7 +398,8 @@ gst_udpsrc_create (GstPushSrc * psrc, GstBuffer ** buf)
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goto stopped;
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} while (try_again);
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/* ask how much is available for reading on the socket */
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/* ask how much is available for reading on the socket, this is exactly one
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* UDP packet. */
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if ((ret = IOCTL_SOCKET (udpsrc->sock, FIONREAD, &readsize)) < 0)
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goto ioctl_failed;
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@ -515,6 +561,9 @@ gst_udpsrc_set_property (GObject * object, guint prop_id, const GValue * value,
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udpsrc->sock = g_value_get_int (value);
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GST_DEBUG ("setting SOCKFD to %d", udpsrc->sock);
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break;
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case PROP_TIMEOUT:
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udpsrc->timeout = g_value_get_uint64 (value);
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break;
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default:
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break;
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}
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@ -545,6 +594,9 @@ gst_udpsrc_get_property (GObject * object, guint prop_id, GValue * value,
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case PROP_SOCKFD:
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g_value_set_int (value, udpsrc->sock);
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break;
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case PROP_TIMEOUT:
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g_value_set_uint64 (value, udpsrc->timeout);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@ -729,11 +781,13 @@ static gboolean
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gst_udpsrc_unlock (GstBaseSrc * bsrc)
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{
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GstUDPSrc *src;
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gint res;
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src = GST_UDPSRC (bsrc);
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GST_DEBUG ("sending stop command");
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SEND_COMMAND (src, CONTROL_STOP);
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SEND_COMMAND (src, CONTROL_STOP, res);
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GST_DEBUG ("sent stop command %d", res);
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return TRUE;
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}
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@ -745,6 +799,8 @@ gst_udpsrc_stop (GstBaseSrc * bsrc)
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src = GST_UDPSRC (bsrc);
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GST_DEBUG ("stopping, closing sockets");
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if (src->sock != -1) {
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CLOSE_SOCKET (src->sock);
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src->sock = -1;
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@ -52,19 +52,20 @@ struct _GstUDPSrc {
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GstPushSrc parent;
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/* properties */
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gchar *uri;
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int port;
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gchar *multi_group;
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gint ttl;
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gint buffer_size;
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int sock;
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int control_sock[2];
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struct sockaddr_in myaddr;
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struct ip_mreq multi_addr;
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gchar *uri;
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int port;
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gchar *multi_group;
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gint ttl;
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GstCaps *caps;
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gint buffer_size;
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guint64 timeout;
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/* our sockets */
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int sock;
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int control_sock[2];
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struct sockaddr_in myaddr;
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struct ip_mreq multi_addr;
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};
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struct _GstUDPSrcClass {
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