/* * 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) 2001-2017 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. *
*/
typedefstruct rtp_decoder_ctx_t {
srtp_policy_t policy;
srtp_ctx_t *srtp_ctx;
rtp_decoder_mode_t mode; int rtp_offset; struct timeval start_tv; int frame_nr; int error_cnt; int rtp_cnt; int rtcp_cnt;
} rtp_decoder_ctx_t;
typedefstruct rtp_decoder_ctx_t *rtp_decoder_t;
/* * prints the output of a random buffer in hexadecimal
*/ void hexdump(constvoid *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);
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