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Move waiting for decoding down into motion detection part, which is what needs it. Not sure why it was up so high. This should allow more ram freeing for people with analysis fps set to something.

This commit is contained in:
Isaac Connor 2021-03-27 15:08:40 -04:00
parent 0bfbdd6121
commit 3202db1b33
1 changed files with 18 additions and 23 deletions
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41
src/zm_monitor.cpp
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@ -1800,8 +1800,6 @@ void Monitor::UpdateAnalysisFPS() {
// If there is an event, the we should do our best to empty the queue.
// If there isn't then we keep pre-event + alarm frames. = pre_event_count
bool Monitor::Analyse() {
// if have event, send frames until we find a video packet, at which point do analysis. Adaptive skip should only affect which frames we do analysis on.
// get_analysis_packet will lock the packet and may wait if analysis_it is at the end
@ -1923,18 +1921,6 @@ bool Monitor::Analyse() {
noteSetMap[LINKED_CAUSE] = noteSet;
} // end if linked_monitors
if ( decoding_enabled ) {
while (!snap->image and !snap->decoded and !zm_terminate) {
// Need to wait for the decoder thread.
Debug(1, "Waiting for decode");
packet_lock->wait();
if (!snap->image and snap->decoded) {
Debug(1, "No image but was decoded, giving up");
delete packet_lock;
return false;
}
} // end while ! decoded
}
struct timeval *timestamp = snap->timestamp;
@ -1952,16 +1938,25 @@ bool Monitor::Analyse() {
}
if (!(analysis_image_count % (motion_frame_skip+1))) {
if (snap->image) {
// Get new score.
motion_score = DetectMotion(*(snap->image), zoneSet);
Debug(3, "After motion detection, score:%d last_motion_score(%d), new motion score(%d)",
score, last_motion_score, motion_score);
motion_frame_count += 1;
} else {
Debug(1, "No image in snap, codec likely not ready");
if (decoding_enabled) {
while (!snap->image and !snap->decoded and !zm_terminate) {
// Need to wait for the decoder thread.
Debug(1, "Waiting for decode");
packet_lock->wait();
if (!snap->image and snap->decoded) {
Debug(1, "No image but was decoded, giving up");
delete packet_lock;
return false;
}
} // end while ! decoded
}
// Get new score.
motion_score = DetectMotion(*(snap->image), zoneSet);
Debug(3, "After motion detection, score:%d last_motion_score(%d), new motion score(%d)",
score, last_motion_score, motion_score);
motion_frame_count += 1;
// Why are we updating the last_motion_score too?
last_motion_score = motion_score;
} else {