mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-28 01:05:07 +00:00
rtsp: add _get_url method and separate sockets
Add gst_rtsp_connection_get_url() method. Reserve space for 2 sockets, one for reading and one for writing. Use socket pointers to select the read and write sockets. This should allow us to implement tunneling over HTTP soon. API: RTSP::gst_rtsp_connection_get_url()
This commit is contained in:
Wim Taymans
parent
0a835bc9a3
commit
4664fe40bc
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@ -115,6 +115,22 @@
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#define ERRNO_IS_EINPROGRESS (errno == EINPROGRESS)
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#endif
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#define ADD_POLLFD(fdset, pfd, fd) \
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G_STMT_START { \
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pfd.fd = fd; \
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gst_poll_add_fd (fdset, &pfd); \
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} G_STMT_END
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#define REMOVE_POLLFD(fdset, pfd) \
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G_STMT_START { \
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if (pfd.fd != -1) { \
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GST_DEBUG ("remove fd %d", pfd.fd); \
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gst_poll_remove_fd (fdset, &pfd); \
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CLOSE_SOCKET (pfd.fd); \
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pfd.fd = -1; \
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} \
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} G_STMT_END
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struct _GstRTSPConnection
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{
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/*< private > */
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@ -122,7 +138,12 @@ struct _GstRTSPConnection
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GstRTSPUrl *url;
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/* connection state */
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GstPollFD fd;
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GstPollFD fd0;
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GstPollFD fd1;
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GstPollFD *readfd;
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GstPollFD *writefd;
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GstPoll *fdset;
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gchar *ip;
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@ -222,7 +243,8 @@ gst_rtsp_connection_create (GstRTSPUrl * url, GstRTSPConnection ** conn)
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goto no_fdset;
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newconn->url = url;
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newconn->fd.fd = -1;
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newconn->fd0.fd = -1;
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newconn->fd1.fd = -1;
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newconn->timer = g_timer_new ();
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newconn->timeout = 60;
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@ -309,8 +331,10 @@ gst_rtsp_connection_accept (gint sock, GstRTSPConnection ** conn)
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/* now create the connection object */
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gst_rtsp_connection_create (url, &newconn);
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newconn->fd.fd = fd;
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gst_poll_add_fd (newconn->fdset, &newconn->fd);
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ADD_POLLFD (newconn->fdset, newconn->fd0, fd);
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newconn->readfd = &newconn->fd0;
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newconn->writefd = &newconn->fd0;
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*conn = newconn;
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@ -361,7 +385,7 @@ gst_rtsp_connection_connect (GstRTSPConnection * conn, GTimeVal * timeout)
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g_return_val_if_fail (conn != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->url != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->fd.fd < 0, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->fd0.fd < 0, GST_RTSP_EINVAL);
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url = conn->url;
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@ -406,8 +430,10 @@ gst_rtsp_connection_connect (GstRTSPConnection * conn, GTimeVal * timeout)
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#endif /* G_OS_WIN32 */
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/* add the socket to our fdset */
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conn->fd.fd = fd;
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gst_poll_add_fd (conn->fdset, &conn->fd);
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ADD_POLLFD (conn->fdset, conn->fd0, fd);
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conn->readfd = &conn->fd0;
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conn->writefd = &conn->fd0;
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/* we are going to connect ASYNC now */
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ret = connect (fd, (struct sockaddr *) &sa_in, sizeof (sa_in));
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@ -418,7 +444,7 @@ gst_rtsp_connection_connect (GstRTSPConnection * conn, GTimeVal * timeout)
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/* wait for connect to complete up to the specified timeout or until we got
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* interrupted. */
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gst_poll_fd_ctl_write (conn->fdset, &conn->fd, TRUE);
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gst_poll_fd_ctl_write (conn->fdset, conn->writefd, TRUE);
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to = timeout ? GST_TIMEVAL_TO_TIME (*timeout) : GST_CLOCK_TIME_NONE;
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@ -432,17 +458,18 @@ gst_rtsp_connection_connect (GstRTSPConnection * conn, GTimeVal * timeout)
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goto sys_error;
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/* we can still have an error connecting on windows */
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if (gst_poll_fd_has_error (conn->fdset, &conn->fd)) {
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if (gst_poll_fd_has_error (conn->fdset, conn->writefd)) {
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socklen_t len = sizeof (errno);
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#ifndef G_OS_WIN32
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getsockopt (conn->fd.fd, SOL_SOCKET, SO_ERROR, &errno, &len);
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getsockopt (fd, SOL_SOCKET, SO_ERROR, &errno, &len);
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#else
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getsockopt (conn->fd.fd, SOL_SOCKET, SO_ERROR, (char *) &errno, &len);
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getsockopt (fd, SOL_SOCKET, SO_ERROR, (char *) &errno, &len);
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#endif
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goto sys_error;
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}
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gst_poll_fd_ignored (conn->fdset, &conn->fd);
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gst_poll_fd_ignored (conn->fdset, conn->writefd);
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gst_poll_fd_ignored (conn->fdset, conn->readfd);
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done:
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conn->ip = g_strdup (ip);
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@ -452,13 +479,8 @@ done:
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sys_error:
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{
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GST_ERROR ("system error %d (%s)", errno, g_strerror (errno));
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if (conn->fd.fd >= 0) {
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GST_DEBUG ("remove fd %d", conn->fd.fd);
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gst_poll_remove_fd (conn->fdset, &conn->fd);
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conn->fd.fd = -1;
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}
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if (fd >= 0)
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CLOSE_SOCKET (fd);
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REMOVE_POLLFD (conn->fdset, conn->fd0);
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REMOVE_POLLFD (conn->fdset, conn->fd1);
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return GST_RTSP_ESYS;
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}
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not_resolved:
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@ -474,13 +496,8 @@ not_ip:
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timeout:
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{
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GST_ERROR ("timeout");
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if (conn->fd.fd >= 0) {
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GST_DEBUG ("remove fd %d", conn->fd.fd);
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gst_poll_remove_fd (conn->fdset, &conn->fd);
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conn->fd.fd = -1;
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}
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if (fd >= 0)
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CLOSE_SOCKET (fd);
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REMOVE_POLLFD (conn->fdset, conn->fd0);
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REMOVE_POLLFD (conn->fdset, conn->fd1);
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return GST_RTSP_ETIMEOUT;
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}
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}
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@ -750,13 +767,14 @@ gst_rtsp_connection_write (GstRTSPConnection * conn, const guint8 * data,
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g_return_val_if_fail (conn != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (data != NULL || size == 0, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->fd.fd >= 0, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->writefd != NULL, GST_RTSP_EINVAL);
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gst_poll_set_controllable (conn->fdset, TRUE);
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gst_poll_fd_ctl_write (conn->fdset, &conn->fd, TRUE);
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gst_poll_fd_ctl_read (conn->fdset, &conn->fd, FALSE);
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gst_poll_fd_ctl_write (conn->fdset, conn->writefd, TRUE);
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gst_poll_fd_ctl_read (conn->fdset, conn->readfd, FALSE);
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/* clear all previous poll results */
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gst_poll_fd_ignored (conn->fdset, &conn->fd);
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gst_poll_fd_ignored (conn->fdset, conn->writefd);
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gst_poll_fd_ignored (conn->fdset, conn->readfd);
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to = timeout ? GST_TIMEVAL_TO_TIME (*timeout) : GST_CLOCK_TIME_NONE;
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@ -764,7 +782,7 @@ gst_rtsp_connection_write (GstRTSPConnection * conn, const guint8 * data,
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while (TRUE) {
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/* try to write */
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res = write_bytes (conn->fd.fd, data, &offset, size);
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res = write_bytes (conn->writefd->fd, data, &offset, size);
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if (res == GST_RTSP_OK)
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break;
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if (res != GST_RTSP_EINTR)
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@ -1087,7 +1105,7 @@ build_next (GstRTSPBuilder * builder, GstRTSPMessage * message,
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case STATE_START:
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builder->offset = 0;
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res =
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read_bytes (conn->fd.fd, (guint8 *) builder->buffer,
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read_bytes (conn->readfd->fd, (guint8 *) builder->buffer,
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&builder->offset, 1);
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if (res != GST_RTSP_OK)
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goto done;
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@ -1105,7 +1123,7 @@ build_next (GstRTSPBuilder * builder, GstRTSPMessage * message,
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case STATE_DATA_HEADER:
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{
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res =
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read_bytes (conn->fd.fd, (guint8 *) builder->buffer,
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read_bytes (conn->readfd->fd, (guint8 *) builder->buffer,
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&builder->offset, 4);
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if (res != GST_RTSP_OK)
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goto done;
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@ -1121,7 +1139,8 @@ build_next (GstRTSPBuilder * builder, GstRTSPMessage * message,
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}
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case STATE_DATA_BODY:
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{
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res = read_bytes (conn->fd.fd, builder->body_data, &builder->offset,
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res =
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read_bytes (conn->readfd->fd, builder->body_data, &builder->offset,
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builder->body_len);
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if (res != GST_RTSP_OK)
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goto done;
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@ -1138,7 +1157,7 @@ build_next (GstRTSPBuilder * builder, GstRTSPMessage * message,
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}
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case STATE_READ_LINES:
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{
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res = read_line (conn->fd.fd, builder->buffer, &builder->offset,
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res = read_line (conn->readfd->fd, builder->buffer, &builder->offset,
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sizeof (builder->buffer));
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if (res != GST_RTSP_OK)
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goto done;
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@ -1261,7 +1280,7 @@ gst_rtsp_connection_read (GstRTSPConnection * conn, guint8 * data, guint size,
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g_return_val_if_fail (conn != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (data != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->fd.fd >= 0, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->readfd != NULL, GST_RTSP_EINVAL);
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if (size == 0)
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return GST_RTSP_OK;
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@ -1272,11 +1291,11 @@ gst_rtsp_connection_read (GstRTSPConnection * conn, guint8 * data, guint size,
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to = timeout ? GST_TIMEVAL_TO_TIME (*timeout) : GST_CLOCK_TIME_NONE;
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gst_poll_set_controllable (conn->fdset, TRUE);
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gst_poll_fd_ctl_write (conn->fdset, &conn->fd, FALSE);
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gst_poll_fd_ctl_read (conn->fdset, &conn->fd, TRUE);
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gst_poll_fd_ctl_write (conn->fdset, conn->writefd, FALSE);
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gst_poll_fd_ctl_read (conn->fdset, conn->readfd, TRUE);
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while (TRUE) {
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res = read_bytes (conn->fd.fd, data, &offset, size);
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res = read_bytes (conn->readfd->fd, data, &offset, size);
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if (res == GST_RTSP_EEOF)
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goto eof;
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if (res == GST_RTSP_OK)
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@ -1351,13 +1370,14 @@ gst_rtsp_connection_receive (GstRTSPConnection * conn, GstRTSPMessage * message,
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g_return_val_if_fail (conn != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (message != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->readfd != NULL, GST_RTSP_EINVAL);
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/* configure timeout if any */
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to = timeout ? GST_TIMEVAL_TO_TIME (*timeout) : GST_CLOCK_TIME_NONE;
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gst_poll_set_controllable (conn->fdset, TRUE);
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gst_poll_fd_ctl_write (conn->fdset, &conn->fd, FALSE);
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gst_poll_fd_ctl_read (conn->fdset, &conn->fd, TRUE);
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gst_poll_fd_ctl_write (conn->fdset, conn->writefd, FALSE);
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gst_poll_fd_ctl_read (conn->fdset, conn->readfd, TRUE);
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while (TRUE) {
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res = build_next (&builder, message, conn);
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@ -1431,27 +1451,17 @@ cleanup:
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GstRTSPResult
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gst_rtsp_connection_close (GstRTSPConnection * conn)
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{
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gint res;
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g_return_val_if_fail (conn != NULL, GST_RTSP_EINVAL);
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g_free (conn->ip);
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conn->ip = NULL;
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if (conn->fd.fd != -1) {
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gst_poll_remove_fd (conn->fdset, &conn->fd);
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res = CLOSE_SOCKET (conn->fd.fd);
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conn->fd.fd = -1;
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if (res != 0)
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goto sys_error;
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}
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REMOVE_POLLFD (conn->fdset, conn->fd0);
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REMOVE_POLLFD (conn->fdset, conn->fd1);
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conn->writefd = NULL;
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conn->readfd = NULL;
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return GST_RTSP_OK;
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sys_error:
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{
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return GST_RTSP_ESYS;
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}
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}
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/**
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@ -1513,15 +1523,17 @@ gst_rtsp_connection_poll (GstRTSPConnection * conn, GstRTSPEvent events,
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g_return_val_if_fail (conn != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (events != 0, GST_RTSP_EINVAL);
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g_return_val_if_fail (revents != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->fd.fd >= 0, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->readfd != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->writefd != NULL, GST_RTSP_EINVAL);
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gst_poll_set_controllable (conn->fdset, TRUE);
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/* add fd to writer set when asked to */
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gst_poll_fd_ctl_write (conn->fdset, &conn->fd, events & GST_RTSP_EV_WRITE);
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gst_poll_fd_ctl_write (conn->fdset, conn->writefd,
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events & GST_RTSP_EV_WRITE);
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/* add fd to reader set when asked to */
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gst_poll_fd_ctl_read (conn->fdset, &conn->fd, events & GST_RTSP_EV_READ);
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gst_poll_fd_ctl_read (conn->fdset, conn->readfd, events & GST_RTSP_EV_READ);
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/* configure timeout if any */
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to = timeout ? GST_TIMEVAL_TO_TIME (*timeout) : GST_CLOCK_TIME_NONE;
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@ -1542,11 +1554,11 @@ gst_rtsp_connection_poll (GstRTSPConnection * conn, GstRTSPEvent events,
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*revents = 0;
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if (events & GST_RTSP_EV_READ) {
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if (gst_poll_fd_can_read (conn->fdset, &conn->fd))
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if (gst_poll_fd_can_read (conn->fdset, conn->readfd))
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*revents |= GST_RTSP_EV_READ;
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}
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if (events & GST_RTSP_EV_WRITE) {
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if (gst_poll_fd_can_write (conn->fdset, &conn->fd))
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if (gst_poll_fd_can_write (conn->fdset, conn->writefd))
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*revents |= GST_RTSP_EV_WRITE;
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}
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return GST_RTSP_OK;
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@ -1764,19 +1776,8 @@ gst_rtsp_connection_clear_auth_params (GstRTSPConnection * conn)
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}
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}
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/**
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* gst_rtsp_connection_set_qos_dscp:
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* @conn: a #GstRTSPConnection
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* @qos_dscp: DSCP value
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*
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* Configure @conn to use the specified DSCP value.
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*
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* Returns: #GST_RTSP_OK on success.
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*
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* Since: 0.10.20
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*/
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GstRTSPResult
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gst_rtsp_connection_set_qos_dscp (GstRTSPConnection * conn, guint qos_dscp)
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static GstRTSPResult
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set_qos_dscp (gint fd, guint qos_dscp)
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{
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union gst_sockaddr
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{
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@ -1788,17 +1789,16 @@ gst_rtsp_connection_set_qos_dscp (GstRTSPConnection * conn, guint qos_dscp)
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gint af;
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gint tos;
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g_return_val_if_fail (conn != NULL, GST_RTSP_EINVAL);
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g_return_val_if_fail (conn->fd.fd >= 0, GST_RTSP_EINVAL);
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if (fd == -1)
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return GST_RTSP_OK;
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if (getsockname (conn->fd.fd, &sa.sa, &slen) < 0)
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if (getsockname (fd, &sa.sa, &slen) < 0)
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goto no_getsockname;
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af = sa.sa.sa_family;
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/* if this is an IPv4-mapped address then do IPv4 QoS */
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if (af == AF_INET6) {
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if (IN6_IS_ADDR_V4MAPPED (&sa.sa_in6.sin6_addr))
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af = AF_INET;
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}
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@ -1808,13 +1808,12 @@ gst_rtsp_connection_set_qos_dscp (GstRTSPConnection * conn, guint qos_dscp)
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switch (af) {
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case AF_INET:
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if (SETSOCKOPT (conn->fd.fd, IPPROTO_IP, IP_TOS, &tos, sizeof (tos)) < 0)
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if (SETSOCKOPT (fd, IPPROTO_IP, IP_TOS, &tos, sizeof (tos)) < 0)
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goto no_setsockopt;
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break;
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case AF_INET6:
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#ifdef IPV6_TCLASS
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if (SETSOCKOPT (conn->fd.fd, IPPROTO_IPV6, IPV6_TCLASS, &tos,
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sizeof (tos)) < 0)
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if (SETSOCKOPT (fd, IPPROTO_IPV6, IPV6_TCLASS, &tos, sizeof (tos)) < 0)
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goto no_setsockopt;
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break;
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#endif
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@ -1837,6 +1836,53 @@ wrong_family:
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}
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}
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/**
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* gst_rtsp_connection_set_qos_dscp:
|
||||
* @conn: a #GstRTSPConnection
|
||||
* @qos_dscp: DSCP value
|
||||
*
|
||||
* Configure @conn to use the specified DSCP value.
|
||||
*
|
||||
* Returns: #GST_RTSP_OK on success.
|
||||
*
|
||||
* Since: 0.10.20
|
||||
*/
|
||||
GstRTSPResult
|
||||
gst_rtsp_connection_set_qos_dscp (GstRTSPConnection * conn, guint qos_dscp)
|
||||
{
|
||||
GstRTSPResult res;
|
||||
|
||||
g_return_val_if_fail (conn != NULL, GST_RTSP_EINVAL);
|
||||
g_return_val_if_fail (conn->readfd != NULL, GST_RTSP_EINVAL);
|
||||
g_return_val_if_fail (conn->writefd != NULL, GST_RTSP_EINVAL);
|
||||
|
||||
res = set_qos_dscp (conn->fd0.fd, qos_dscp);
|
||||
if (res == GST_RTSP_OK)
|
||||
res = set_qos_dscp (conn->fd1.fd, qos_dscp);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* gst_rtsp_connection_get_url:
|
||||
* @conn: a #GstRTSPConnection
|
||||
*
|
||||
* Retrieve the URL of the other end of @conn.
|
||||
*
|
||||
* Returns: The URL. This value remains valid until the
|
||||
* connection is closed.
|
||||
*
|
||||
* Since: 0.10.23
|
||||
*/
|
||||
GstRTSPUrl *
|
||||
gst_rtsp_connection_get_url (const GstRTSPConnection * conn)
|
||||
{
|
||||
g_return_val_if_fail (conn != NULL, NULL);
|
||||
|
||||
return conn->url;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_rtsp_connection_get_ip:
|
||||
* @conn: a #GstRTSPConnection
|
||||
|
|
@ -2056,6 +2102,8 @@ gst_rtsp_watch_new (GstRTSPConnection * conn,
|
|||
|
||||
g_return_val_if_fail (conn != NULL, NULL);
|
||||
g_return_val_if_fail (funcs != NULL, NULL);
|
||||
g_return_val_if_fail (conn->readfd != NULL, NULL);
|
||||
g_return_val_if_fail (conn->writefd != NULL, NULL);
|
||||
|
||||
result = (GstRTSPWatch *) g_source_new (&gst_rtsp_source_funcs,
|
||||
sizeof (GstRTSPWatch));
|
||||
|
|
@ -2063,11 +2111,11 @@ gst_rtsp_watch_new (GstRTSPConnection * conn,
|
|||
result->conn = conn;
|
||||
result->builder.state = STATE_START;
|
||||
|
||||
result->readfd.fd = conn->fd.fd;
|
||||
result->readfd.fd = conn->readfd->fd;
|
||||
result->readfd.events = READ_COND;
|
||||
result->readfd.revents = 0;
|
||||
|
||||
result->writefd.fd = conn->fd.fd;
|
||||
result->writefd.fd = conn->writefd->fd;
|
||||
result->writefd.events = WRITE_COND;
|
||||
result->writefd.revents = 0;
|
||||
result->write_added = FALSE;
|
||||
|
|
|
|||
|
|
@ -102,6 +102,7 @@ GstRTSPResult gst_rtsp_connection_set_qos_dscp (GstRTSPConnection *conn,
|
|||
guint qos_dscp);
|
||||
|
||||
/* accessors */
|
||||
GstRTSPUrl * gst_rtsp_connection_get_url (const GstRTSPConnection *conn);
|
||||
const gchar * gst_rtsp_connection_get_ip (const GstRTSPConnection *conn);
|
||||
|
||||
/* async IO */
|
||||
|
|
|
|||
Loading…
Reference in a new issue