Add TODO for incompatible APIs of librtmp

trunk/src/libs/srs_librtmp.hpp

@@ -1105,6 +1105,7 @@ extern void srs_hijack_io_destroy(srs_hijack_io_t ctx);
  * create socket, not connect yet.
  * @param owner, the rtmp context which create this socket.
  * @return 0, success; otherswise, failed.
+ * TODO: FIXME: Incompatible API for https://github.com/ossrs/srs/blob/2.0release/trunk/src/libs/srs_librtmp.hpp#L989
  */
 extern int srs_hijack_io_create_socket(srs_hijack_io_t ctx, srs_rtmp_t owner);
 /**
@@ -1156,6 +1157,7 @@ extern int srs_hijack_io_writev(srs_hijack_io_t ctx, const iovec *iov, int iov_s
 /**
  * whether the timeout is never timeout in ms.
  * @return 0, with timeout specified; otherwise, never timeout.
+ * TODO: FIXME: Incompatible API for https://github.com/ossrs/srs/blob/2.0release/trunk/src/libs/srs_librtmp.hpp#L1039
  */
 extern int srs_hijack_io_is_never_timeout(srs_hijack_io_t ctx, int64_t tm);
 /**