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copy srt official packet recve rate algorithm

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xiongguangjie
2022-09-21 19:21:49 +08:00
parent a226794cd2
commit ea35002be8
6 changed files with 101 additions and 47 deletions
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14
srt/Packet.hpp
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@@ -14,6 +14,20 @@
namespace SRT {
using namespace toolkit;
static const size_t HDR_SIZE = 4; // packet header size = SRT_PH_E_SIZE * sizeof(uint32_t)
// Can also be calculated as: sizeof(struct ether_header) + sizeof(struct ip) + sizeof(struct udphdr).
static const size_t UDP_HDR_SIZE = 28; // 20 bytes IPv4 + 8 bytes of UDP { u16 sport, dport, len, csum }.
static const size_t SRT_DATA_HDR_SIZE = UDP_HDR_SIZE + HDR_SIZE;
// Maximum transmission unit size. 1500 in case of Ethernet II (RFC 1191).
static const size_t ETH_MAX_MTU_SIZE = 1500;
// Maximum payload size of an SRT packet.
static const size_t SRT_MAX_PAYLOAD_SIZE = ETH_MAX_MTU_SIZE - SRT_DATA_HDR_SIZE;
/*
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