From ca99d947253623ec6337b2ac445523d22d95c3c1 Mon Sep 17 00:00:00 2001
From: Cody Cutrer <cody@cutrer.us>
Date: Thu, 22 Jun 2023 15:56:13 -0600
Subject: [PATCH] reduce contention on frame_queue

don't check if the queue is full, just attempt to add the frame
in a non-blocking manner, and then if it fails, skip it
---
 frigate/video.py | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/frigate/video.py b/frigate/video.py
index c02ad15c4..395271d6d 100755
--- a/frigate/video.py
+++ b/frigate/video.py
@@ -195,17 +195,15 @@ def capture_frames(
 
         frame_rate.update()
 
-        # if the queue is full, skip this frame
-        if frame_queue.full():
+        try:
+            # add to the queue
+            frame_queue.put(current_frame.value, False)
+            # close the frame
+            frame_manager.close(frame_name)
+        except queue.Full:
+            # if the queue is full, skip this frame
             skipped_eps.update()
             frame_manager.delete(frame_name)
-            continue
-
-        # close the frame
-        frame_manager.close(frame_name)
-
-        # add to the queue
-        frame_queue.put(current_frame.value)
 
 
 class CameraWatchdog(threading.Thread):