ZLMediaKit/srt/Common.hpp

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#ifndef ZLMEDIAKIT_SRT_COMMON_H
#define ZLMEDIAKIT_SRT_COMMON_H
#if defined(_WIN32)
#include <winsock2.h>
#include <ws2tcpip.h>
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#include <Iphlpapi.h>
#pragma comment (lib, "Ws2_32.lib")
#pragma comment(lib,"Iphlpapi.lib")
#else
#include <netdb.h>
#include <sys/socket.h>
#endif // defined(_WIN32)
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#include <chrono>
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namespace SRT {
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using SteadyClock = std::chrono::steady_clock;
using TimePoint = std::chrono::time_point<SteadyClock>;
using Microseconds = std::chrono::microseconds;
using Milliseconds = std::chrono::milliseconds;
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static inline int64_t DurationCountMicroseconds(SteadyClock::duration dur) {
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return std::chrono::duration_cast<std::chrono::microseconds>(dur).count();
}
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static inline uint32_t loadUint32(uint8_t *ptr) {
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return ptr[0] << 24 | ptr[1] << 16 | ptr[2] << 8 | ptr[3];
}
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static inline uint16_t loadUint16(uint8_t *ptr) {
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return ptr[0] << 8 | ptr[1];
}
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static inline void storeUint32(uint8_t *buf, uint32_t val) {
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buf[0] = val >> 24;
buf[1] = (val >> 16) & 0xff;
buf[2] = (val >> 8) & 0xff;
buf[3] = val & 0xff;
}
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static inline void storeUint16(uint8_t *buf, uint16_t val) {
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buf[0] = (val >> 8) & 0xff;
buf[1] = val & 0xff;
}
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static inline void storeUint32LE(uint8_t *buf, uint32_t val) {
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buf[0] = val & 0xff;
buf[1] = (val >> 8) & 0xff;
buf[2] = (val >> 16) & 0xff;
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buf[3] = (val >> 24) & 0xff;
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}
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static inline void storeUint16LE(uint8_t *buf, uint16_t val) {
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buf[0] = val & 0xff;
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buf[1] = (val >> 8) & 0xff;
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}
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static inline uint32_t srtVersion(int major, int minor, int patch) {
return patch + minor * 0x100 + major * 0x10000;
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}
class UTicker {
public:
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UTicker() { _created = _begin = SteadyClock::now(); }
~UTicker() = default;
/**
*
*/
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int64_t elapsedTime(TimePoint now) const { return DurationCountMicroseconds(now - _begin); }
/**
* resetTime后至今的时间
*/
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int64_t createdTime(TimePoint now) const { return DurationCountMicroseconds(now - _created); }
/**
*
*/
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void resetTime(TimePoint now) { _begin = now; }
private:
TimePoint _begin;
TimePoint _created;
};
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} // namespace SRT
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#endif // ZLMEDIAKIT_SRT_COMMON_H