Land https://codereview.chromium.org/889083003/ to update libsrtp to upstream 1.5.0

srtp/test/rtp_decoder.h

Index: srtp/test/rtp_decoder.h
===================================================================
--- srtp/test/rtp_decoder.h	(revision 0)
+++ srtp/test/rtp_decoder.h	(working copy)
@@ -0,0 +1,119 @@
+/*
+ * rtp_decoder.h
+ *
+ * decoder structures and functions for SRTP pcap decoder
+ *
+ * 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:
+ * 
+ *   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_DECODER_H
+#define RTP_DECODER_H
+
+#include "srtp_priv.h"
+#include "rtp_priv.h"
+#include "rtp.h"
+#include "datatypes.h"
+
+#define DEFAULT_RTP_OFFSET 42
+
+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_decoder_ctx_t *rtp_decoder_t;
+
+/*
+ * error to string
+ */
+
+void rtp_print_error(err_status_t status, char *message);
+
+/* 
+ * 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 */
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