94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Anthony Minessale II <anthm@freeswitch.org>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Sherwin Sim
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*
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*
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* switch_rtcp_frame.h -- RTCP Frame Structure
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*
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*/
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/*! \file switch_rtcp_frame.h
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\brief RTCP Frame Structure
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*/
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#ifndef SWITCH_RTCP_FRAME_H
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#define SWITCH_RTCP_FRAME_H
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#include <switch.h>
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#define MAX_REPORT_BLOCKS 5
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SWITCH_BEGIN_EXTERN_C
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struct switch_rtcp_report_block_frame {
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uint32_t ssrc; /* The SSRC identifier of the source to which the information in this reception report block pertains. */
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uint8_t fraction; /* The fraction of RTP data packets from source SSRC_n lost since the previous SR or RR packet was sent */
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int32_t lost; /* The total number of RTP data packets from source SSRC_n that have been lost since the beginning of reception. could be negative. */
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uint32_t highest_sequence_number_received;
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uint32_t jitter; /* An estimate of the statistical variance of the RTP data packet interarrival time, measured in timestamp units and expressed as an unsigned integer. */
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uint32_t lsr; /* The middle 32 bits out of 64 in the NTP timestamp */
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uint32_t dlsr; /* The delay, expressed in units of 1/65536 seconds, between receiving the last SR packet from source SSRC_n and sending this reception report block */
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uint32_t loss_avg;
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double rtt_avg;
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};
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/*! \brief An abstraction of a rtcp frame */
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struct switch_rtcp_frame {
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uint16_t report_count;
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uint16_t packet_type;
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uint32_t ssrc;
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uint32_t ntp_msw;
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uint32_t ntp_lsw;
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uint32_t timestamp;
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uint32_t packet_count;
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uint32_t octect_count;
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uint32_t nb_reports;
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struct switch_rtcp_report_block_frame reports[MAX_REPORT_BLOCKS];
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};
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SWITCH_END_EXTERN_C
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#endif
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/* For Emacs:
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* Local Variables:
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* mode:c
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* indent-tabs-mode:t
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* tab-width:4
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* c-basic-offset:4
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* End:
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* For VIM:
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* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
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*/
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