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Implementation for rtcp receiver report

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This commit is contained in:
dijunkun
2023-09-13 15:11:25 +08:00
parent ea74495b5a
commit e2533d18e4
17 changed files with 220 additions and 126 deletions
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3
src/rtcp/rtcp_header.h
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@@ -12,8 +12,7 @@
// |V=2|P| RC | PT=SR=200 | length |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
#define DEFAULT_RTCP_VERSION 2
#define DEFAULT_RTCP_HEADER_SIZE 4
#include "rtcp_typedef.h"
class RtcpHeader {
public:

0
src/rtcp/rtcp_packet.cpp
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16
src/rtcp/rtcp_packet.h
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@@ -1,16 +0,0 @@
#ifndef _RTCP_PACKET_H_
#define _RTCP_PACKET_H_
class RtcpPacket {
public:
typedef enum {
UNKNOWN = 0,
SR = 200,
RR = 201,
SDES = 202,
BYE = 203,
APP = 204
} RTCP_TYPE;
};
#endif

30
src/rtcp/rtcp_receiver_report.cpp
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@@ -1,5 +1,31 @@
#include "rtcp_receiver_report.h"
RtcpReceiverReport::RtcpReceiverReport() {}
RtcpReceiverReport::RtcpReceiverReport() {
buffer_ = new uint8_t[DEFAULT_RR_SIZE];
size_ = DEFAULT_RR_SIZE;
}
RtcpReceiverReport::~RtcpReceiverReport() {}
RtcpReceiverReport::~RtcpReceiverReport() {
if (buffer_) {
delete buffer_;
buffer_ = nullptr;
}
size_ = 0;
}
void RtcpReceiverReport::SetReportBlock(RtcpReportBlock &rtcp_report_block) {
reports_.push_back(rtcp_report_block);
}
void RtcpReceiverReport::SetReportBlock(
std::vector<RtcpReportBlock> &rtcp_report_blocks) {
reports_ = rtcp_report_blocks;
}
const uint8_t *RtcpReceiverReport::Encode() {
int pos = rtcp_header_.Encode(DEFAULT_RTCP_VERSION, 0, DEFAULT_RR_BLOCK_NUM,
RTCP_TYPE::RR, DEFAULT_RR_SIZE, buffer_);
return buffer_;
}

20
src/rtcp/rtcp_receiver_report.h
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@@ -31,9 +31,7 @@
#include <vector>
#include "rtcp_header.h"
#include "rtcp_report_block.h"
#define DEFAULT_SR_SIZE 32
#include "rtcp_typedef.h"
class RtcpReceiverReport {
public:
@@ -41,12 +39,24 @@ class RtcpReceiverReport {
~RtcpReceiverReport();
public:
const uint8_t *Encode(uint8_t *payload, size_t payload_size);
size_t Decode(uint8_t *payload);
void SetReportBlock(RtcpReportBlock &rtcp_report_block);
void SetReportBlock(std::vector<RtcpReportBlock> &rtcp_report_blocks);
public:
const uint8_t *Encode();
size_t Decode();
// Entire RTP buffer
const uint8_t *Buffer() const { return buffer_; }
size_t Size() const { return size_; }
private:
RtcpHeader rtcp_header_;
std::vector<RtcpReportBlock> reports_;
// Entire RTCP buffer
uint8_t *buffer_ = nullptr;
size_t size_ = 0;
};
#endif

5
src/rtcp/rtcp_report_block.cpp
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@@ -1,5 +0,0 @@
#include "rtcp_report_block.h"
RtcpReportBlock::RtcpReportBlock() {}
RtcpReportBlock::~RtcpReportBlock() {}

53
src/rtcp/rtcp_report_block.h
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@@ -1,53 +0,0 @@
#ifndef _RTCP_REPORT_BLOCK_H_
#define _RTCP_REPORT_BLOCK_H_
// Report block 1
// 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
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | SSRC_1 (SSRC of first source) |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | fraction lost | cumulative number of packets lost |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | extended highest sequence number received |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | interarrival jitter |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | last SR (LSR) |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | delay since last SR (DLSR) |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
#include <stdint.h>
class RtcpReportBlock {
public:
RtcpReportBlock();
~RtcpReportBlock();
public:
typedef struct {
uint32_t source_ssrc : 32;
uint8_t fraction_lost : 8;
uint32_t cumulative_lost : 24;
uint32_t extended_high_seq_num : 32;
uint32_t jitter : 32;
uint32_t lsr : 32;
uint32_t dlsr : 32;
} REPORT;
void SetReport(REPORT &report) {
report_.source_ssrc = report.source_ssrc;
report_.fraction_lost = report.fraction_lost;
report_.cumulative_lost = report.cumulative_lost;
report_.extended_high_seq_num = report.extended_high_seq_num;
report_.jitter = report.jitter;
report_.lsr = report.lsr;
report_.dlsr = report.dlsr;
}
private:
REPORT report_;
};
#endif

39
src/rtcp/rtcp_sender_report.cpp
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@@ -14,24 +14,41 @@ RtcpSenderReport::~RtcpSenderReport() {
size_ = 0;
}
void RtcpSenderReport::SetSenderInfo(SenderInfo &sender_info) {
sender_info_.sender_ssrc = sender_info.sender_ssrc;
sender_info_.ntp_ts_msw = sender_info.ntp_ts_msw;
sender_info_.ntp_ts_lsw = sender_info.ntp_ts_lsw;
sender_info_.rtp_ts = sender_info.rtp_ts;
sender_info_.sender_packet_count = sender_info.sender_packet_count;
sender_info_.sender_octet_count = sender_info.sender_octet_count;
}
void RtcpSenderReport::SetReportBlock(RtcpReportBlock &rtcp_report_block) {
reports_.push_back(rtcp_report_block);
}
void RtcpSenderReport::SetReportBlock(
std::vector<RtcpReportBlock> &rtcp_report_blocks) {
reports_ = rtcp_report_blocks;
}
const uint8_t *RtcpSenderReport::Encode() {
int pos =
rtcp_header_.Encode(DEFAULT_RTCP_VERSION, 0, DEFAULT_SR_BLOCK_NUM,
RtcpPacket::RTCP_TYPE::SR, DEFAULT_SR_SIZE, buffer_);
int pos = rtcp_header_.Encode(DEFAULT_RTCP_VERSION, 0, DEFAULT_SR_BLOCK_NUM,
RTCP_TYPE::SR, DEFAULT_SR_SIZE, buffer_);
buffer_[pos] = sender_info_.sender_ssrc >> 24 & 0xFF;
buffer_[pos + 1] = sender_info_.sender_ssrc >> 16 & 0xFF;
buffer_[pos + 2] = sender_info_.sender_ssrc >> 8 & 0xFF;
buffer_[pos + 3] = sender_info_.sender_ssrc & 0xFF;
buffer_[pos + 4] = sender_info_.ntp_ts >> 56 & 0xFF;
buffer_[pos + 5] = sender_info_.ntp_ts >> 48 & 0xFF;
buffer_[pos + 6] = sender_info_.ntp_ts >> 40 & 0xFF;
buffer_[pos + 7] = sender_info_.ntp_ts >> 32 & 0xFF;
buffer_[pos + 8] = sender_info_.ntp_ts >> 24 & 0xFF;
buffer_[pos + 9] = sender_info_.ntp_ts >> 16 & 0xFF;
buffer_[pos + 10] = sender_info_.ntp_ts >> 8 & 0xFF;
buffer_[pos + 11] = sender_info_.ntp_ts & 0xFF;
buffer_[pos + 4] = sender_info_.ntp_ts_msw >> 56 & 0xFF;
buffer_[pos + 5] = sender_info_.ntp_ts_msw >> 48 & 0xFF;
buffer_[pos + 6] = sender_info_.ntp_ts_msw >> 40 & 0xFF;
buffer_[pos + 7] = sender_info_.ntp_ts_msw >> 32 & 0xFF;
buffer_[pos + 8] = sender_info_.ntp_ts_lsw >> 24 & 0xFF;
buffer_[pos + 9] = sender_info_.ntp_ts_lsw >> 16 & 0xFF;
buffer_[pos + 10] = sender_info_.ntp_ts_lsw >> 8 & 0xFF;
buffer_[pos + 11] = sender_info_.ntp_ts_lsw & 0xFF;
buffer_[pos + 12] = sender_info_.rtp_ts >> 24 & 0xFF;
buffer_[pos + 13] = sender_info_.rtp_ts >> 16 & 0xFF;

26
src/rtcp/rtcp_sender_report.h
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@@ -39,11 +39,7 @@
#include <vector>
#include "rtcp_header.h"
#include "rtcp_packet.h"
#include "rtcp_report_block.h"
#define DEFAULT_SR_BLOCK_NUM 1
#define DEFAULT_SR_SIZE 52
#include "rtcp_typedef.h"
class RtcpSenderReport {
public:
@@ -51,21 +47,9 @@ class RtcpSenderReport {
~RtcpSenderReport();
public:
typedef struct {
uint32_t sender_ssrc : 32;
uint64_t ntp_ts : 64;
uint32_t rtp_ts : 32;
uint32_t sender_packet_count : 32;
uint32_t sender_octet_count : 32;
} SENDER_INFO;
void SetSenderInfo(SENDER_INFO &sender_info) {
sender_info_.sender_ssrc = sender_info.sender_ssrc;
sender_info_.ntp_ts = sender_info.ntp_ts;
sender_info_.rtp_ts = sender_info.rtp_ts;
sender_info_.sender_packet_count = sender_info.sender_packet_count;
sender_info_.sender_octet_count = sender_info.sender_octet_count;
}
void SetSenderInfo(SenderInfo &sender_info);
void SetReportBlock(RtcpReportBlock &rtcp_report_block);
void SetReportBlock(std::vector<RtcpReportBlock> &rtcp_report_blocks);
public:
const uint8_t *Encode();
@@ -77,7 +61,7 @@ class RtcpSenderReport {
private:
RtcpHeader rtcp_header_;
SENDER_INFO sender_info_;
SenderInfo sender_info_;
std::vector<RtcpReportBlock> reports_;
// Entire RTCP buffer

42
src/rtcp/rtcp_typedef.h Normal file
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@@ -0,0 +1,42 @@
#ifndef _RTCP_TYPEDEF_H_
#define _RTCP_TYPEDEF_H_
#include <stdint.h>
#define DEFAULT_RTCP_VERSION 2
#define DEFAULT_RTCP_HEADER_SIZE 4
#define DEFAULT_SR_BLOCK_NUM 1
#define DEFAULT_SR_SIZE 52
#define DEFAULT_RR_BLOCK_NUM 1
#define DEFAULT_RR_SIZE 32
typedef enum {
UNKNOWN = 0,
SR = 200,
RR = 201,
SDES = 202,
BYE = 203,
APP = 204
} RTCP_TYPE;
typedef struct {
uint32_t sender_ssrc : 32;
uint64_t ntp_ts_msw : 64;
uint64_t ntp_ts_lsw : 64;
uint32_t rtp_ts : 32;
uint32_t sender_packet_count : 32;
uint32_t sender_octet_count : 32;
} SenderInfo;
typedef struct {
uint32_t source_ssrc : 32;
uint8_t fraction_lost : 8;
uint32_t cumulative_lost : 24;
uint32_t extended_high_seq_num : 32;
uint32_t jitter : 32;
uint32_t lsr : 32;
uint32_t dlsr : 32;
} RtcpReportBlock;
#endif