zoneminder/src/zm_analysis_thread.cpp

48 lines
1.4 KiB
C++

#include "zm_analysis_thread.h"
AnalysisThread::AnalysisThread(Monitor *p_monitor) {
monitor = p_monitor;
terminate = false;
//sigemptyset(&block_set);
}
AnalysisThread::~AnalysisThread() {
Debug(2, "THREAD: deleteing analysis thread");
}
int AnalysisThread::run() {
Debug(2, "AnalysisThread::run()");
useconds_t analysis_rate = monitor->GetAnalysisRate();
unsigned int analysis_update_delay = monitor->GetAnalysisUpdateDelay();
time_t last_analysis_update_time, cur_time;
monitor->UpdateAdaptiveSkip();
last_analysis_update_time = time(0);
while ( !(terminate or zm_terminate) ) {
// Some periodic updates are required for variable capturing framerate
if ( analysis_update_delay ) {
cur_time = time(0);
if ( (unsigned int)( cur_time - last_analysis_update_time ) > analysis_update_delay ) {
analysis_rate = monitor->GetAnalysisRate();
monitor->UpdateAdaptiveSkip();
last_analysis_update_time = cur_time;
}
}
Debug(2, "Analyzing");
if ( !monitor->Analyse() ) {
Debug(2, "uSleeping for %d", (monitor->Active()?ZM_SAMPLE_RATE:ZM_SUSPENDED_RATE));
usleep(monitor->Active() ? ZM_SAMPLE_RATE : ZM_SUSPENDED_RATE);
} else if ( analysis_rate ) {
Debug(2, "uSleeping for %d", analysis_rate);
usleep(analysis_rate);
} else {
Debug(2, "Not Sleeping");
}
} // end while ! terminate
return 0;
} // end in AnalysisThread::run()