mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-10-30 16:27:36 +08:00
90 lines
2.0 KiB
C++
90 lines
2.0 KiB
C++
#ifndef ZLMEDIAKIT_SRT_COMMON_H
|
||
#define ZLMEDIAKIT_SRT_COMMON_H
|
||
#include <chrono>
|
||
|
||
namespace SRT
|
||
{
|
||
using SteadyClock = std::chrono::steady_clock;
|
||
using TimePoint = std::chrono::time_point<SteadyClock>;
|
||
|
||
using Microseconds = std::chrono::microseconds;
|
||
using Milliseconds = std::chrono::milliseconds;
|
||
|
||
inline int64_t DurationCountMicroseconds( SteadyClock::duration dur){
|
||
return std::chrono::duration_cast<std::chrono::microseconds>(dur).count();
|
||
}
|
||
|
||
inline uint32_t loadUint32(uint8_t *ptr) {
|
||
return ptr[0] << 24 | ptr[1] << 16 | ptr[2] << 8 | ptr[3];
|
||
}
|
||
inline uint16_t loadUint16(uint8_t *ptr) {
|
||
return ptr[0] << 8 | ptr[1];
|
||
}
|
||
|
||
inline void storeUint32(uint8_t *buf, uint32_t val) {
|
||
buf[0] = val >> 24;
|
||
buf[1] = (val >> 16) & 0xff;
|
||
buf[2] = (val >> 8) & 0xff;
|
||
buf[3] = val & 0xff;
|
||
}
|
||
|
||
inline void storeUint16(uint8_t *buf, uint16_t val) {
|
||
buf[0] = (val >> 8) & 0xff;
|
||
buf[1] = val & 0xff;
|
||
}
|
||
|
||
inline void storeUint32LE(uint8_t *buf, uint32_t val) {
|
||
buf[0] = val & 0xff;
|
||
buf[1] = (val >> 8) & 0xff;
|
||
buf[2] = (val >> 16) & 0xff;
|
||
buf[3] = (val >>24) & 0xff;
|
||
}
|
||
|
||
inline void storeUint16LE(uint8_t *buf, uint16_t val) {
|
||
buf[0] = val & 0xff;
|
||
buf[1] = (val>>8) & 0xff;
|
||
}
|
||
|
||
inline uint32_t srtVersion(int major, int minor, int patch)
|
||
{
|
||
return patch + minor*0x100 + major*0x10000;
|
||
}
|
||
|
||
class UTicker {
|
||
public:
|
||
UTicker() {
|
||
_created = _begin = SteadyClock::now();
|
||
}
|
||
|
||
~UTicker() {
|
||
}
|
||
|
||
/**
|
||
* 获取创建时间，单位微妙
|
||
*/
|
||
int64_t elapsedTime(TimePoint now) const {
|
||
return DurationCountMicroseconds(now - _begin);
|
||
}
|
||
|
||
/**
|
||
* 获取上次resetTime后至今的时间，单位毫秒
|
||
*/
|
||
int64_t createdTime(TimePoint now) const {
|
||
return DurationCountMicroseconds(now - _created);
|
||
}
|
||
|
||
/**
|
||
* 重置计时器
|
||
*/
|
||
void resetTime(TimePoint now) {
|
||
_begin = now;
|
||
}
|
||
|
||
private:
|
||
TimePoint _begin;
|
||
TimePoint _created;
|
||
};
|
||
|
||
} // namespace SRT
|
||
|
||
#endif //ZLMEDIAKIT_SRT_COMMON_H
|