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/* packet-rtcp.h
*
* Routines for RTCP dissection
* RTCP = Real-time Transport Control Protocol
*
* Copyright 2000, Philips Electronics N.V.
* Written by Andreas Sikkema <andreas.sikkema@philips.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "ws_symbol_export.h"
/* Info to save in RTCP conversation / packet-info.
Note that this structure applies to the destination end of
an RTP session */
#define MAX_RTCP_SETUP_METHOD_SIZE 7
struct _rtcp_conversation_info
{
/* Setup info is relevant to traffic whose dest is the conversation address */
guchar setup_method_set;
gchar setup_method[MAX_RTCP_SETUP_METHOD_SIZE + 1];
guint32 setup_frame_number;
/* Info used for roundtrip calculations */
guchar last_received_set;
guint32 last_received_frame_number;
nstime_t last_received_timestamp;
guint32 last_received_ts;
/* Stored result of calculation */
guchar lsr_matched;
guint32 calculated_delay_used_frame;
gint calculated_delay_report_gap;
gint32 calculated_delay;
/* SRTCP context */
struct srtp_info *srtcp_info;
};
/* Add an RTCP conversation with the given details */
WS_DLL_PUBLIC
void rtcp_add_address(packet_info *pinfo,
address *addr, int port,
int other_port,
const gchar *setup_method, guint32 setup_frame_number);
/* Add an SRTP conversation with the given details */
WS_DLL_PUBLIC
void srtcp_add_address(packet_info *pinfo,
address *addr, int port,
int other_port,
const gchar *setup_method, guint32 setup_frame_number,
struct srtp_info *srtcp_info);
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