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copy srt estimated link capacity algorithm

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This commit is contained in:
xiongguangjie
2022-09-22 00:34:42 +08:00
parent ea35002be8
commit 533f35dac4
4 changed files with 148 additions and 40 deletions
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24
srt/Common.hpp
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@@ -13,8 +13,9 @@
#endif // defined(_WIN32)
#include <chrono>
#define MAX_SEQ 0x7fffffff
#define MAX_TS 0xffffffff
#define MAX_SEQ 0x7fffffff
#define SEQ_NONE 0xffffffff
#define MAX_TS 0xffffffff
namespace SRT {
using SteadyClock = std::chrono::steady_clock;
@@ -35,6 +36,25 @@ static inline uint16_t loadUint16(uint8_t *ptr) {
return ptr[0] << 8 | ptr[1];
}
inline static int64_t seqCmp(uint32_t seq1, uint32_t seq2) {
if(seq1 > seq2){
if((seq1 - seq2) >(MAX_SEQ>>1)){
return (int64_t)seq1 - (int64_t)(seq2+MAX_SEQ);
}else{
return (int64_t)seq1 - (int64_t)seq2;
}
}else{
if((seq2-seq1) >(MAX_SEQ>>1)){
return (int64_t)(seq1+MAX_SEQ) - (int64_t)seq2;
}else{
return (int64_t)seq1 - (int64_t)seq2;
}
}
}
inline static uint32_t incSeq(int32_t seq) {
return (seq == MAX_SEQ) ? 0 : seq + 1;
}
static inline void storeUint32(uint8_t *buf, uint32_t val) {
buf[0] = val >> 24;
buf[1] = (val >> 16) & 0xff;