Add current version of libSRTP from CVS.

libsrtp/include/rtp.h

+/*
+ * rtp.h
+ * 
+ * rtp interface for srtp reference implementation
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ * data types:
+ *
+ * rtp_msg_t       an rtp message (the data that goes on the wire)
+ * rtp_sender_t    sender side socket and rtp info
+ * rtp_receiver_t  receiver side socket and rtp info
+ *
+ */
+
+/*
+ *      
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ *   Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ *   Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ * 
+ *   Neither the name of the Cisco Systems, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef RTP_H
+#define RTP_H
+
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#elif defined HAVE_WINSOCK2_H
+# include <winsock2.h>
+#endif
+
+#include "srtp.h"
+
+typedef struct rtp_sender_ctx_t *rtp_sender_t;
+
+typedef struct rtp_receiver_ctx_t *rtp_receiver_t;
+
+int
+rtp_sendto(rtp_sender_t sender, const void* msg, int len);
+
+int
+rtp_recvfrom(rtp_receiver_t receiver, void *msg, int *len);
+
+int
+rtp_receiver_init(rtp_receiver_t rcvr, int sock, 
+                  struct sockaddr_in addr, unsigned int ssrc);
+
+int
+rtp_sender_init(rtp_sender_t sender, int sock, 
+                struct sockaddr_in addr, unsigned int ssrc);
+
+/*
+ * srtp_sender_init(...) initializes an rtp_sender_t
+ */
+
+int
+srtp_sender_init(rtp_sender_t rtp_ctx,          /* structure to be init'ed */
+                 struct sockaddr_in name,       /* socket name             */
+                 sec_serv_t security_services,  /* sec. servs. to be used  */
+                 unsigned char *input_key       /* master key/salt in hex  */
+                 );
+
+int
+srtp_receiver_init(rtp_receiver_t rtp_ctx,       /* structure to be init'ed */
+                   struct sockaddr_in name,      /* socket name             */
+                   sec_serv_t security_services, /* sec. servs. to be used  */
+                   unsigned char *input_key      /* master key/salt in hex  */
+                   );
+
+
+int
+rtp_sender_init_srtp(rtp_sender_t sender, const srtp_policy_t *policy);
+
+int
+rtp_sender_deinit_srtp(rtp_sender_t sender);
+
+int
+rtp_receiver_init_srtp(rtp_receiver_t sender, const srtp_policy_t *policy);
+
+int
+rtp_receiver_deinit_srtp(rtp_receiver_t sender);
+
+
+rtp_sender_t 
+rtp_sender_alloc(void);
+
+void
+rtp_sender_dealloc(rtp_sender_t rtp_ctx);
+
+rtp_receiver_t 
+rtp_receiver_alloc(void);
+
+void
+rtp_receiver_dealloc(rtp_receiver_t rtp_ctx);
+
+
+/*
+ * RTP_HEADER_LEN indicates the size of an RTP header
+ */
+#define RTP_HEADER_LEN   12
+
+/* 
+ * RTP_MAX_BUF_LEN defines the largest RTP packet in the rtp.c implementation
+ */
+#define RTP_MAX_BUF_LEN  16384
+
+
+#endif /* RTP_H */