Skip to content
Commits on Source (2)
Hide whitespace changes
Inline Side-by-side
ietf/rtcp3611.h 0 → 100644
View file @ fa6d757f
/*****************************************************************************
* rtp3611.h: RTP Control Protocol Extended Reports (RTCP XR)
*****************************************************************************
* Copyright (C) 2018 Open Broadcast Systems Ltd.
*
* Authors: Rafaël Carré <funman@videolam.org>
*
* 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 <stdint.h> /* 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

VideoLAN code repository instance