From 65f1c89ff2220eb828dcec312da11dbc620449bc Mon Sep 17 00:00:00 2001
From: Ella Pietraroia <ella@ausocean.org>
Date: Tue, 31 Dec 2019 15:18:06 +1030
Subject: [PATCH] adding constants for the integer arguments

---
 revid/revid.go | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/revid/revid.go b/revid/revid.go
index 5f4df7d8..fd3f83cf 100644
--- a/revid/revid.go
+++ b/revid/revid.go
@@ -76,6 +76,15 @@ const (
 	rtmpConnectionTimeout  = 10
 )
 
+// KNN filter properties
+const (
+	knnMinArea     = 25.0
+	knnThreshold   = 300
+	knnHistory     = 300
+	knnKernel      = 9
+	knnShowWindows = true
+)
+
 const pkg = "revid: "
 
 type Logger interface {
@@ -336,7 +345,7 @@ func (r *Revid) setupPipeline(mtsEnc func(dst io.WriteCloser, rate float64) (io.
 	case config.FilterVariableFPS:
 		r.filter = filter.NewVariableFPSFilter(r.encoders, 1.0, filter.NewMOGFilter(r.encoders, 25, 20, 500, 3, true))
 	case config.FilterKNN:
-		r.filter = filter.NewKNNFilter(r.encoders, 25, 300, 300, 9, true)
+		r.filter = filter.NewKNNFilter(r.encoders, knnMinArea, knnThreshold, knnHistory, knnKernel, knnShowWindows)
 	default:
 		panic("Undefined Filter")
 	}