From 33210426721c026eba3f1e1769c59acb1126a7ed Mon Sep 17 00:00:00 2001
From: "FeRD (Frank Dana)" <ferdnyc@gmail.com>
Date: Tue, 14 Jan 2020 00:42:30 -0500
Subject: [PATCH] Raise preview cache to CPUs*8 frames, max 64

---
 src/Qt/VideoCacheThread.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Qt/VideoCacheThread.cpp b/src/Qt/VideoCacheThread.cpp
index 46b6f030..6cff46ba 100644
--- a/src/Qt/VideoCacheThread.cpp
+++ b/src/Qt/VideoCacheThread.cpp
@@ -29,13 +29,14 @@
  */
 
 #include "../../include/Qt/VideoCacheThread.h"
+#include <algorithm>
 
 namespace openshot
 {
 	// Constructor
 	VideoCacheThread::VideoCacheThread()
 	: Thread("video-cache"), speed(1), is_playing(false), position(1)
-	, reader(NULL), max_frames(OPEN_MP_NUM_PROCESSORS * 2), current_display_frame(1)
+	, reader(NULL), max_frames(std::min(OPEN_MP_NUM_PROCESSORS * 8, 64)), current_display_frame(1)
     {
     }