Update libsrtp to upstream 1.5.0

srtp/test/rtp_decoder.h

 /*
- * rtp_priv.h
+ * rtp_decoder.h
  *
- * private, internal header file for RTP
+ * decoder structures and functions for SRTP pcap decoder
  *
- * David A. McGrew
- * Cisco Systems, Inc.
+ * Bernardo Torres <bernardo@torresautomacao.com.br>
+ *
+ * Some structure and code from https://github.com/gteissier/srtp-decrypt
+ *
  */
 /*
  *      
  * 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:
  * 
@@ skipping 18 matching lines @@
  * (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_PRIV_H
-#define RTP_PRIV_H
+#ifndef RTP_DECODER_H
+#define RTP_DECODER_H
 
 #include "srtp_priv.h"
+#include "rtp_priv.h"
 #include "rtp.h"
+#include "datatypes.h"
 
-typedef srtp_hdr_t rtp_hdr_t;
+#define DEFAULT_RTP_OFFSET 42
 
-typedef struct {
-  srtp_hdr_t header;        
-  char body[RTP_MAX_BUF_LEN];  
-} rtp_msg_t;
+typedef struct rtp_decoder_ctx_t {
+  srtp_policy_t policy;
+  srtp_ctx_t *srtp_ctx;
+  int rtp_offset;
+  struct timeval start_tv;
+  int frame_nr;
+  rtp_msg_t message;
+} rtp_decoder_ctx_t;
 
-typedef struct rtp_sender_ctx_t {
-  rtp_msg_t message;         
-  int socket;
-  srtp_ctx_t *srtp_ctx;
-  struct sockaddr_in addr;   /* reciever's address */
-} rtp_sender_ctx_t;
+typedef struct rtp_decoder_ctx_t *rtp_decoder_t;
 
-typedef struct rtp_receiver_ctx_t {
-  rtp_msg_t message;
-  int socket;
-  srtp_ctx_t *srtp_ctx;
-  struct sockaddr_in addr;   /* receiver's address */
-} rtp_receiver_ctx_t;
+/*
+ * error to string
+ */
 
+void rtp_print_error(err_status_t status, char *message);
 
-#endif /* RTP_PRIV_H */
+/* 
+ * prints the output of a random buffer in hexadecimal
+ */
+
+void
+hexdump(const void *ptr, size_t size);
+
+/*
+ * the function usage() prints an error message describing how this
+ * program should be called, then calls exit()
+ */
+
+void
+usage(char *prog_name);
+
+/*
+ * transforms base64 key into octet
+ */
+
+char *decode_sdes(char *in, char *out);
+
+/* 
+ * pcap handling
+ */
+
+void
+rtp_decoder_handle_pkt(u_char *arg, const struct pcap_pkthdr *hdr,
+        const u_char *bytes);
+
+rtp_decoder_t
+rtp_decoder_alloc(void);
+
+void
+rtp_decoder_dealloc(rtp_decoder_t rtp_ctx);
+
+int
+rtp_decoder_init(rtp_decoder_t dcdr, srtp_policy_t policy);
+
+err_status_t
+rtp_decoder_init_srtp(rtp_decoder_t decoder, unsigned int ssrc);
+
+int
+rtp_decoder_deinit_srtp(rtp_decoder_t decoder);
+
+#endif /* RTP_DECODER_H */