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209 lines
6.5 KiB
209 lines
6.5 KiB
/*****************************************************************************
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* rtp3611.h: RTP Control Protocol Extended Reports (RTCP XR)
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*****************************************************************************
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* Copyright (C) 2018 Open Broadcast Systems Ltd.
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*
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* Authors: Rafaël Carré <funman@videolam.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject
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* to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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/*
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* Normative references:
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* - IETF RFC 3611
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*/
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#ifndef __BITSTREAM_IETF_RTCP3611_H__
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#define __BITSTREAM_IETF_RTCP3611_H__
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#include <stdint.h> /* uint8_t, uint16_t, etc... */
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define RTCP_PT_XR 207
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#define RTCP_XR_HEADER_SIZE 8
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/* 0 1 2 3
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* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* |V=2|P|reserved | PT=XR=207 | length |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | SSRC |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* : report blocks :
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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static inline void rtcp_xr_set_ssrc_sender(uint8_t *p_rtcp_xr,
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const uint8_t pi_ssrc[4])
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{
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p_rtcp_xr[4] = pi_ssrc[0];
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p_rtcp_xr[5] = pi_ssrc[1];
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p_rtcp_xr[6] = pi_ssrc[2];
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p_rtcp_xr[7] = pi_ssrc[3];
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}
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static inline void rtcp_xr_get_ssrc_sender(const uint8_t *p_rtcp_xr,
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uint8_t pi_ssrc[4])
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{
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pi_ssrc[0] = p_rtcp_xr[4];
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pi_ssrc[1] = p_rtcp_xr[5];
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pi_ssrc[2] = p_rtcp_xr[6];
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pi_ssrc[3] = p_rtcp_xr[7];
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}
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static inline uint8_t rtcp_xr_get_bt(const uint8_t *p_rtcp_xr_b)
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{
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return p_rtcp_xr_b[0];
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}
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static inline void rtcp_xr_set_bt(uint8_t *p_rtcp_xr_b,
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uint8_t bt)
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{
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p_rtcp_xr_b[0] = bt;
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}
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static inline uint16_t rtcp_xr_get_length(const uint8_t *p_rtcp_xr_b)
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{
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return (p_rtcp_xr_b[2] << 8) | p_rtcp_xr_b[3];
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}
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static inline void rtcp_xr_set_length(uint8_t *p_rtcp_xr_b,
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uint16_t length)
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{
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p_rtcp_xr_b[2] = length >> 8;
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p_rtcp_xr_b[3] = length & 0xff;
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}
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/* Loss RLE Report Block
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* TODO */
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#define RTCP_XR_LRLER_BT 1
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/* Duplicate RLE Report Block
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* TODO */
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#define RTCP_XR_DRLER_BT 2
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/* Packet Receipt Times Report Block
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* TODO */
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#define RTCP_XR_PRTR_BT 3
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/* Receiver Reference Time Report Block */
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#define RTCP_XR_RRTP_BT 4
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#define RTCP_XR_RRTP_SIZE 12
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static inline void rtcp_xr_rrtp_set_reserved(uint8_t *p_rtcp_xr_rrtp)
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{
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p_rtcp_xr_rrtp[1] = 0;
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}
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static inline uint64_t rtcp_xr_rrtp_get_ntp(const uint8_t *p_rtcp_xr_b)
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{
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return ((uint64_t)p_rtcp_xr_b[4] << 56) | ((uint64_t)p_rtcp_xr_b[5] << 48) |
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((uint64_t)p_rtcp_xr_b[6] << 40) | ((uint64_t)p_rtcp_xr_b[7] << 32) |
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((uint64_t)p_rtcp_xr_b[8] << 24) | ((uint64_t)p_rtcp_xr_b[9] << 16) |
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((uint64_t)p_rtcp_xr_b[10] << 8) | (uint64_t)p_rtcp_xr_b[11];
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}
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static inline void rtcp_xr_rrtp_set_ntp(uint8_t *p_rtcp_xr_b,
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uint64_t ntp)
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{
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p_rtcp_xr_b[4] = (ntp >> 56) & 0xff;
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p_rtcp_xr_b[5] = (ntp >> 48) & 0xff;
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p_rtcp_xr_b[6] = (ntp >> 40) & 0xff;
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p_rtcp_xr_b[7] = (ntp >> 32) & 0xff;
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p_rtcp_xr_b[8] = (ntp >> 24) & 0xff;
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p_rtcp_xr_b[9] = (ntp >> 16) & 0xff;
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p_rtcp_xr_b[10] = (ntp >> 8) & 0xff;
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p_rtcp_xr_b[11] = (ntp ) & 0xff;
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}
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/* DLRR Report Block */
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#define RTCP_XR_DLRR_BT 5
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#define RTCP_XR_DLRR_SIZE 16
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static inline void rtcp_xr_dlrr_set_reserved(uint8_t *p_rtcp_xr_dlrr)
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{
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p_rtcp_xr_dlrr[1] = 0;
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}
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static inline void rtcp_xr_dlrr_set_ssrc_receiver(uint8_t *p_rtcp_xr_dlrr,
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const uint8_t pi_ssrc[4])
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{
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p_rtcp_xr_dlrr[4] = pi_ssrc[0];
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p_rtcp_xr_dlrr[5] = pi_ssrc[1];
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p_rtcp_xr_dlrr[6] = pi_ssrc[2];
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p_rtcp_xr_dlrr[7] = pi_ssrc[3];
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}
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static inline void rtcp_xr_dlrr_get_ssrc_receiver(const uint8_t *p_rtcp_xr_dlrr,
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uint8_t pi_ssrc[4])
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{
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pi_ssrc[0] = p_rtcp_xr_dlrr[4];
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pi_ssrc[1] = p_rtcp_xr_dlrr[5];
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pi_ssrc[2] = p_rtcp_xr_dlrr[6];
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pi_ssrc[3] = p_rtcp_xr_dlrr[7];
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}
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static inline uint32_t rtcp_xr_dlrr_get_lrr(const uint8_t *p_rtcp_xr_dlrr)
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{
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return (p_rtcp_xr_dlrr[8] << 24) | (p_rtcp_xr_dlrr[9] << 16) |
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(p_rtcp_xr_dlrr[10] << 8) | p_rtcp_xr_dlrr[11];
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}
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static inline void rtcp_xr_dlrr_set_lrr(uint8_t *p_rtcp_xr_dlrr,
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uint32_t lrr)
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{
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p_rtcp_xr_dlrr[8] = (lrr >> 24) & 0xff;
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p_rtcp_xr_dlrr[9] = (lrr >> 16) & 0xff;
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p_rtcp_xr_dlrr[10] = (lrr >> 8) & 0xff;
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p_rtcp_xr_dlrr[11] = (lrr ) & 0xff;
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}
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static inline uint32_t rtcp_xr_dlrr_get_dlrr(const uint8_t *p_rtcp_xr_dlrr)
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{
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return (p_rtcp_xr_dlrr[12] << 24) | (p_rtcp_xr_dlrr[13] << 16) |
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(p_rtcp_xr_dlrr[14] << 8) | p_rtcp_xr_dlrr[15];
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}
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static inline void rtcp_xr_dlrr_set_dlrr(uint8_t *p_rtcp_xr_dlrr,
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uint32_t lrr)
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{
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p_rtcp_xr_dlrr[12] = (lrr >> 24) & 0xff;
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p_rtcp_xr_dlrr[13] = (lrr >> 16) & 0xff;
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p_rtcp_xr_dlrr[14] = (lrr >> 8) & 0xff;
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p_rtcp_xr_dlrr[15] = (lrr ) & 0xff;
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}
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/* Statistics Summary Report Block
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* TODO */
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#define RTCP_XR_SSR_BT 6
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/* VoIP Metrics Report Block
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* TODO */
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#define RTCP_XR_VMR_BT 7
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#ifdef __cplusplus
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}
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#endif
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#endif
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