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RtpSource: Convert internals partially to std::chrono 

This allows us to remove the tvNow() helper method.
This commit is contained in:
Peter Keresztes Schmidt 2021-06-13 15:29:53 +02:00
parent 28d813b95a
commit f374b319e0
3 changed files with 7 additions and 15 deletions
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11
src/zm_rtp_source.cpp
View File

@ -66,7 +66,7 @@ RtpSource::RtpSource(
mRtpFactor = mRtpClock; mRtpFactor = mRtpClock;
mBaseTimeReal = tvNow(); mBaseTimeReal = std::chrono::system_clock::now();
mBaseTimeNtp = {}; mBaseTimeNtp = {};
mBaseTimeRtp = rtpTime; mBaseTimeRtp = rtpTime;
@ -160,11 +160,8 @@ bool RtpSource::updateSeq(uint16_t seq) {
void RtpSource::updateJitter( const RtpDataHeader *header ) { void RtpSource::updateJitter( const RtpDataHeader *header ) {
if (mRtpFactor > 0) { if (mRtpFactor > 0) {
timeval now = {}; SystemTimePoint now = std::chrono::system_clock::now();
gettimeofday(&now, nullptr); FPSeconds time_diff = std::chrono::duration_cast<FPSeconds>(now - mBaseTimeReal);
FPSeconds time_diff =
zm::chrono::duration_cast<Microseconds>(now) - zm::chrono::duration_cast<Microseconds>(mBaseTimeReal);
uint32_t localTimeRtp = mBaseTimeRtp + static_cast<uint32>(time_diff.count() * mRtpFactor); uint32_t localTimeRtp = mBaseTimeRtp + static_cast<uint32>(time_diff.count() * mRtpFactor);
uint32_t packetTransit = localTimeRtp - ntohl(header->timestampN); uint32_t packetTransit = localTimeRtp - ntohl(header->timestampN);
@ -202,7 +199,7 @@ void RtpSource::updateRtcpData(
Debug(5, "ntpTime: %ld.%06ld, rtpTime: %x", ntpTime.tv_sec, ntpTime.tv_usec, rtpTime); Debug(5, "ntpTime: %ld.%06ld, rtpTime: %x", ntpTime.tv_sec, ntpTime.tv_usec, rtpTime);
if ( mBaseTimeNtp.tv_sec == 0 ) { if ( mBaseTimeNtp.tv_sec == 0 ) {
mBaseTimeReal = tvNow(); mBaseTimeReal = std::chrono::system_clock::now();
mBaseTimeNtp = ntpTime; mBaseTimeNtp = ntpTime;
mBaseTimeRtp = rtpTime; mBaseTimeRtp = rtpTime;
} else if ( !mRtpClock ) { } else if ( !mRtpClock ) {

3
src/zm_rtp_source.h
View File

@ -24,6 +24,7 @@
#include "zm_config.h" #include "zm_config.h"
#include "zm_define.h" #include "zm_define.h"
#include "zm_ffmpeg.h" #include "zm_ffmpeg.h"
#include "zm_time.h"
#include <condition_variable> #include <condition_variable>
#include <mutex> #include <mutex>
#include <string> #include <string>
@ -68,7 +69,7 @@ private:
// Time keys // Time keys
uint32_t mRtpClock; uint32_t mRtpClock;
uint32_t mRtpFactor; uint32_t mRtpFactor;
struct timeval mBaseTimeReal; SystemTimePoint mBaseTimeReal;
struct timeval mBaseTimeNtp; struct timeval mBaseTimeNtp;
uint32_t mBaseTimeRtp; uint32_t mBaseTimeRtp;

6
src/zm_time.h
View File

@ -23,12 +23,6 @@
#include <chrono> #include <chrono>
#include <sys/time.h> #include <sys/time.h>
inline struct timeval tvNow() {
timeval t = {};
gettimeofday(&t, nullptr);
return t;
}
typedef std::chrono::microseconds Microseconds; typedef std::chrono::microseconds Microseconds;
typedef std::chrono::milliseconds Milliseconds; typedef std::chrono::milliseconds Milliseconds;
typedef std::chrono::seconds Seconds; typedef std::chrono::seconds Seconds;