Original commit message from CVS:
2005-09-27  Andy Wingo  <wingo@pobox.com>

* gst/tcp/gsttcpserversrc.c:
* gst/tcp/gsttcpclientsrc.c: Updated for new gsttcp API.

* gst/tcp/gsttcp.h:
* gst/tcp/gsttcp.c (gst_tcp_read_buffer): New function, factored
out of tcpclientsrc.c. Cancellable.
(gst_tcp_socket_read): Made private, cancellable, with better
diagnostics. Also the FIONREAD ioctl takes a int*, not a size_t*.
(gst_tcp_gdp_read_buffer): Made cancellable, actually returns the
whole buffer, and better diagnostics.
(gst_tcp_gdp_read_caps): Same.

* gst/sine/gstsinesrc.c (gst_sinesrc_wait): Add the base time.