From cd6c44db47b7df91f889c54303d8858e32ac61e2 Mon Sep 17 00:00:00 2001
From: Isaac Connor <isaac@zoneminder.com>
Date: Tue, 11 Jan 2022 17:01:04 -0500
Subject: [PATCH] Revert "Remove sleeping from Analysis thread.  It is
 uneccessary and results in us starting off way behind the capture thread. It
 also limits us to 30fps."

This reverts commit 6c4156a4830da04d6128a9159c32c3bb0be607b1.
---
 src/zm_analysis_thread.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/zm_analysis_thread.cpp b/src/zm_analysis_thread.cpp
index 325d8de59..7d803c16b 100644
--- a/src/zm_analysis_thread.cpp
+++ b/src/zm_analysis_thread.cpp
@@ -23,6 +23,14 @@ void AnalysisThread::Start() {
 
 void AnalysisThread::Run() {
   while (!(terminate_ or zm_terminate)) {
-    monitor_->Analyse();
+    // 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);
+      }
+    }
   }
 }