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rtsp: Allow gst_rtsp_connection_do_tunnel() to just setup decoding context.

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If the second connection passed to gst_rtsp_connection_do_tunnel() is NULL
then just setup the base64 decoding context for the first connection.
This commit is contained in:
Peter Kjellerstedt 2009-06-16 19:35:23 +02:00
parent 01d98fdb5d
commit d5b4b5d8af
1 changed files with 22 additions and 17 deletions
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39
gst-libs/gst/rtsp/gstrtspconnection.c
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@ -2858,7 +2858,7 @@ gst_rtsp_connection_get_tunnelid (const GstRTSPConnection * conn)
/**
* gst_rtsp_connection_do_tunnel:
* @conn: a #GstRTSPConnection
* @conn2: a #GstRTSPConnection
* @conn2: a #GstRTSPConnection or %NULL
*
* If @conn received the first tunnel connection and @conn2 received
* the second tunnel connection, link the two connections together so that
@ -2867,6 +2867,9 @@ gst_rtsp_connection_get_tunnelid (const GstRTSPConnection * conn)
* After this call, @conn2 cannot be used anymore and must be freed with
* gst_rtsp_connection_free().
*
* If @conn2 is %NULL then only the base64 decoding context will be setup for
* @conn.
*
* Returns: return GST_RTSP_OK on success.
*
* Since: 0.10.23
@ -2876,26 +2879,28 @@ gst_rtsp_connection_do_tunnel (GstRTSPConnection * conn,
GstRTSPConnection * conn2)
{
g_return_val_if_fail (conn != NULL, GST_RTSP_EINVAL);
g_return_val_if_fail (conn2 != NULL, GST_RTSP_EINVAL);
g_return_val_if_fail (conn->tstate == TUNNEL_STATE_GET, GST_RTSP_EINVAL);
g_return_val_if_fail (conn2->tstate == TUNNEL_STATE_POST, GST_RTSP_EINVAL);
g_return_val_if_fail (!memcmp (conn2->tunnelid, conn->tunnelid, TUNNELID_LEN),
GST_RTSP_EINVAL);
/* both connections have fd0 as the read/write socket. start by taking the
* socket from conn2 and set it as the socket in conn */
conn->fd1 = conn2->fd0;
if (conn2 != NULL) {
g_return_val_if_fail (conn->tstate == TUNNEL_STATE_GET, GST_RTSP_EINVAL);
g_return_val_if_fail (conn2->tstate == TUNNEL_STATE_POST, GST_RTSP_EINVAL);
g_return_val_if_fail (!memcmp (conn2->tunnelid, conn->tunnelid,
TUNNELID_LEN), GST_RTSP_EINVAL);
/* clean up some of the state of conn2 */
gst_poll_remove_fd (conn2->fdset, &conn2->fd0);
conn2->fd0.fd = -1;
conn2->readfd = conn2->writefd = NULL;
/* both connections have fd0 as the read/write socket. start by taking the
* socket from conn2 and set it as the socket in conn */
conn->fd1 = conn2->fd0;
/* We make fd0 the write socket and fd1 the read socket. */
conn->writefd = &conn->fd0;
conn->readfd = &conn->fd1;
/* clean up some of the state of conn2 */
gst_poll_remove_fd (conn2->fdset, &conn2->fd0);
conn2->fd0.fd = -1;
conn2->readfd = conn2->writefd = NULL;
conn->tstate = TUNNEL_STATE_COMPLETE;
/* We make fd0 the write socket and fd1 the read socket. */
conn->writefd = &conn->fd0;
conn->readfd = &conn->fd1;
conn->tstate = TUNNEL_STATE_COMPLETE;
}
/* we need base64 decoding for the readfd */
conn->ctx.state = 0;