ZoneMinder
/
zoneminder
mirror of https://github.com/ZoneMinder/zoneminder.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Add a detection for when keyframe interval backlog causes large time gap between first and second frames added to event.

pull/3703/head
Isaac Connor 2023-05-08 10:21:46 -04:00
parent 71b31e9ad8
commit 5b903d8f20
1 changed files with 24 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
src/zm_monitor.cpp
View File

@ -2219,14 +2219,30 @@ bool Monitor::Analyse() {
event->updateNotes(noteSetMap);
} else if (state == TAPE || state == IDLE) {
if (event) {
if (section_length >= Seconds(min_section_length) && (event->Duration() >= section_length)) {
Debug(1, "%s: event %" PRIu64 ", has exceeded desired section length. %" PRIi64 " - %" PRIi64 " = %" PRIi64 " >= %" PRIi64,
name.c_str(), event->Id(),
static_cast<int64>(std::chrono::duration_cast<Seconds>(snap->timestamp.time_since_epoch()).count()),
static_cast<int64>(std::chrono::duration_cast<Seconds>(event->StartTime().time_since_epoch()).count()),
static_cast<int64>(std::chrono::duration_cast<Seconds>(event->Duration()).count()),
static_cast<int64>(Seconds(section_length).count()));
closeEvent();
if (
section_length >= Seconds(min_section_length)
&&
(event->Duration() >= section_length)
) {
if (event->Frames() < min_section_length) {
/* This is a detection for the case where huge keyframe
* intervals cause a huge time gap between the first
* frame and second frame */
Warning("%s: event %" PRIu64 ", has exceeded desired section length. %" PRIi64 " - %" PRIi64 " = %" PRIi64 " >= %" PRIi64,
name.c_str(), event->Id(),
static_cast<int64>(std::chrono::duration_cast<Seconds>(snap->timestamp.time_since_epoch()).count()),
static_cast<int64>(std::chrono::duration_cast<Seconds>(event->StartTime().time_since_epoch()).count()),
static_cast<int64>(std::chrono::duration_cast<Seconds>(event->Duration()).count()),
static_cast<int64>(Seconds(section_length).count()));
} else {
Debug(1, "%s: event %" PRIu64 ", has exceeded desired section length. %" PRIi64 " - %" PRIi64 " = %" PRIi64 " >= %" PRIi64,
name.c_str(), event->Id(),
static_cast<int64>(std::chrono::duration_cast<Seconds>(snap->timestamp.time_since_epoch()).count()),
static_cast<int64>(std::chrono::duration_cast<Seconds>(event->StartTime().time_since_epoch()).count()),
static_cast<int64>(std::chrono::duration_cast<Seconds>(event->Duration()).count()),
static_cast<int64>(Seconds(section_length).count()));
closeEvent();
}
}
}
} // end if state machine