From e288d19275cc44049c3056710808ae8f721cbc6b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C3=ABl=20Carr=C3=A9?= Date: Wed, 2 May 2018 11:36:49 +0200 Subject: [PATCH] new header for rtcp xr --- ietf/rtcp3611.h | 209 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 209 insertions(+) create mode 100644 ietf/rtcp3611.h diff --git a/ietf/rtcp3611.h b/ietf/rtcp3611.h new file mode 100644 index 0000000..82f65b1 --- /dev/null +++ b/ietf/rtcp3611.h @@ -0,0 +1,209 @@ +/***************************************************************************** + * rtp3611.h: RTP Control Protocol Extended Reports (RTCP XR) + ***************************************************************************** + * Copyright (C) 2018 Open Broadcast Systems Ltd. + * + * Authors: Rafaël Carré + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject + * to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + *****************************************************************************/ + +/* + * Normative references: + * - IETF RFC 3611 + */ + +#ifndef __BITSTREAM_IETF_RTCP3611_H__ +#define __BITSTREAM_IETF_RTCP3611_H__ + +#include /* uint8_t, uint16_t, etc... */ + +#ifdef __cplusplus +extern "C" +{ +#endif + +#define RTCP_PT_XR 207 +#define RTCP_XR_HEADER_SIZE 8 + +/* 0 1 2 3 + * 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 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * |V=2|P|reserved | PT=XR=207 | length | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | SSRC | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * : report blocks : + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + +static inline void rtcp_xr_set_ssrc_sender(uint8_t *p_rtcp_xr, + const uint8_t pi_ssrc[4]) +{ + p_rtcp_xr[4] = pi_ssrc[0]; + p_rtcp_xr[5] = pi_ssrc[1]; + p_rtcp_xr[6] = pi_ssrc[2]; + p_rtcp_xr[7] = pi_ssrc[3]; +} + +static inline void rtcp_xr_get_ssrc_sender(const uint8_t *p_rtcp_xr, + uint8_t pi_ssrc[4]) +{ + pi_ssrc[0] = p_rtcp_xr[4]; + pi_ssrc[1] = p_rtcp_xr[5]; + pi_ssrc[2] = p_rtcp_xr[6]; + pi_ssrc[3] = p_rtcp_xr[7]; +} + +static inline uint8_t rtcp_xr_get_bt(const uint8_t *p_rtcp_xr_b) +{ + return p_rtcp_xr_b[0]; +} + +static inline void rtcp_xr_set_bt(uint8_t *p_rtcp_xr_b, + uint8_t bt) +{ + p_rtcp_xr_b[0] = bt; +} + +static inline uint16_t rtcp_xr_get_length(const uint8_t *p_rtcp_xr_b) +{ + return (p_rtcp_xr_b[2] << 8) | p_rtcp_xr_b[3]; +} + +static inline void rtcp_xr_set_length(uint8_t *p_rtcp_xr_b, + uint16_t length) +{ + p_rtcp_xr_b[2] = length >> 8; + p_rtcp_xr_b[3] = length & 0xff; +} + +/* Loss RLE Report Block + * TODO */ +#define RTCP_XR_LRLER_BT 1 + +/* Duplicate RLE Report Block + * TODO */ +#define RTCP_XR_DRLER_BT 2 + +/* Packet Receipt Times Report Block + * TODO */ +#define RTCP_XR_PRTR_BT 3 + +/* Receiver Reference Time Report Block */ +#define RTCP_XR_RRTP_BT 4 +#define RTCP_XR_RRTP_SIZE 12 + +static inline void rtcp_xr_rrtp_set_reserved(uint8_t *p_rtcp_xr_rrtp) +{ + p_rtcp_xr_rrtp[1] = 0; +} + +static inline uint64_t rtcp_xr_rrtp_get_ntp(const uint8_t *p_rtcp_xr_b) +{ + return ((uint64_t)p_rtcp_xr_b[4] << 56) | ((uint64_t)p_rtcp_xr_b[5] << 48) | + ((uint64_t)p_rtcp_xr_b[6] << 40) | ((uint64_t)p_rtcp_xr_b[7] << 32) | + ((uint64_t)p_rtcp_xr_b[8] << 24) | ((uint64_t)p_rtcp_xr_b[9] << 16) | + ((uint64_t)p_rtcp_xr_b[10] << 8) | (uint64_t)p_rtcp_xr_b[11]; +} + +static inline void rtcp_xr_rrtp_set_ntp(uint8_t *p_rtcp_xr_b, + uint64_t ntp) +{ + p_rtcp_xr_b[4] = (ntp >> 56) & 0xff; + p_rtcp_xr_b[5] = (ntp >> 48) & 0xff; + p_rtcp_xr_b[6] = (ntp >> 40) & 0xff; + p_rtcp_xr_b[7] = (ntp >> 32) & 0xff; + p_rtcp_xr_b[8] = (ntp >> 24) & 0xff; + p_rtcp_xr_b[9] = (ntp >> 16) & 0xff; + p_rtcp_xr_b[10] = (ntp >> 8) & 0xff; + p_rtcp_xr_b[11] = (ntp ) & 0xff; +} + +/* DLRR Report Block */ +#define RTCP_XR_DLRR_BT 5 +#define RTCP_XR_DLRR_SIZE 16 + +static inline void rtcp_xr_dlrr_set_reserved(uint8_t *p_rtcp_xr_dlrr) +{ + p_rtcp_xr_dlrr[1] = 0; +} + +static inline void rtcp_xr_dlrr_set_ssrc_receiver(uint8_t *p_rtcp_xr_dlrr, + const uint8_t pi_ssrc[4]) +{ + p_rtcp_xr_dlrr[4] = pi_ssrc[0]; + p_rtcp_xr_dlrr[5] = pi_ssrc[1]; + p_rtcp_xr_dlrr[6] = pi_ssrc[2]; + p_rtcp_xr_dlrr[7] = pi_ssrc[3]; +} + +static inline void rtcp_xr_dlrr_get_ssrc_receiver(const uint8_t *p_rtcp_xr_dlrr, + uint8_t pi_ssrc[4]) +{ + pi_ssrc[0] = p_rtcp_xr_dlrr[4]; + pi_ssrc[1] = p_rtcp_xr_dlrr[5]; + pi_ssrc[2] = p_rtcp_xr_dlrr[6]; + pi_ssrc[3] = p_rtcp_xr_dlrr[7]; +} + +static inline uint32_t rtcp_xr_dlrr_get_lrr(const uint8_t *p_rtcp_xr_dlrr) +{ + return (p_rtcp_xr_dlrr[8] << 24) | (p_rtcp_xr_dlrr[9] << 16) | + (p_rtcp_xr_dlrr[10] << 8) | p_rtcp_xr_dlrr[11]; +} + +static inline void rtcp_xr_dlrr_set_lrr(uint8_t *p_rtcp_xr_dlrr, + uint32_t lrr) +{ + p_rtcp_xr_dlrr[8] = (lrr >> 24) & 0xff; + p_rtcp_xr_dlrr[9] = (lrr >> 16) & 0xff; + p_rtcp_xr_dlrr[10] = (lrr >> 8) & 0xff; + p_rtcp_xr_dlrr[11] = (lrr ) & 0xff; +} + +static inline uint32_t rtcp_xr_dlrr_get_dlrr(const uint8_t *p_rtcp_xr_dlrr) +{ + return (p_rtcp_xr_dlrr[12] << 24) | (p_rtcp_xr_dlrr[13] << 16) | + (p_rtcp_xr_dlrr[14] << 8) | p_rtcp_xr_dlrr[15]; +} + +static inline void rtcp_xr_dlrr_set_dlrr(uint8_t *p_rtcp_xr_dlrr, + uint32_t lrr) +{ + p_rtcp_xr_dlrr[12] = (lrr >> 24) & 0xff; + p_rtcp_xr_dlrr[13] = (lrr >> 16) & 0xff; + p_rtcp_xr_dlrr[14] = (lrr >> 8) & 0xff; + p_rtcp_xr_dlrr[15] = (lrr ) & 0xff; +} + +/* Statistics Summary Report Block + * TODO */ +#define RTCP_XR_SSR_BT 6 + +/* VoIP Metrics Report Block + * TODO */ +#define RTCP_XR_VMR_BT 7 + +#ifdef __cplusplus +} +#endif + +#endif