zoneminder/src/zm_analysis_thread.cpp

37 lines
1.0 KiB
C++

#include "zm_analysis_thread.h"
#include "zm_monitor.h"
#include "zm_signal.h"
#include "zm_utils.h"
AnalysisThread::AnalysisThread(Monitor *monitor) :
monitor_(monitor), terminate_(false) {
thread_ = std::thread(&AnalysisThread::Run, this);
}
AnalysisThread::~AnalysisThread() {
Stop();
if (thread_.joinable()) thread_.join();
}
void AnalysisThread::Start() {
if (thread_.joinable()) thread_.join();
terminate_ = false;
Debug(3, "Starting analysis thread");
thread_ = std::thread(&AnalysisThread::Run, this);
}
void AnalysisThread::Run() {
while (!(terminate_ or zm_terminate)) {
// Some periodic updates are required for variable capturing framerate
Debug(2, "Analyzing");
if (!monitor_->Analyse()) {
if (!(terminate_ or zm_terminate)) {
Microseconds sleep_for = monitor_->Active() ? Microseconds(ZM_SAMPLE_RATE) : Microseconds(ZM_SUSPENDED_RATE);
Debug(2, "Sleeping for %" PRId64 "us", int64(sleep_for.count()));
std::this_thread::sleep_for(sleep_for);
}
}
}
}