/***************************************************************************** * 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