From effe39d418b4a823dbfcd27275f5362a101e369a Mon Sep 17 00:00:00 2001
From: Jonathan Thomas <jonathan@openshot.org>
Date: Mon, 31 Aug 2026 16:58:40 -0500
Subject: [PATCH] Guard tracked object masks without OpenCV

---
 src/EffectBase.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/EffectBase.cpp b/src/EffectBase.cpp
index 2fb9b10b5..fc8cc0087 100644
--- a/src/EffectBase.cpp
+++ b/src/EffectBase.cpp
@@ -20,7 +20,6 @@
 #include "Exceptions.h"
 #include "Clip.h"
 #include "Timeline.h"
-#include "TrackedObjectBBox.h"
 #include "ReaderBase.h"
 #include "ChunkReader.h"
 #include "FFmpegReader.h"
@@ -36,6 +35,10 @@
 	#include "ImageReader.h"
 #endif
 
+#ifdef USE_OPENCV
+	#include "TrackedObjectBBox.h"
+#endif
+
 using namespace openshot;
 
 // Initialize the values of the EffectInfo struct
@@ -548,6 +551,7 @@ std::shared_ptr<QImage> EffectBase::GetMaskImage(std::shared_ptr<QImage> target_
 }
 
 std::shared_ptr<QImage> EffectBase::TrackedObjectMask(std::shared_ptr<QImage> target_image, int64_t frame_number) const {
+#ifdef USE_OPENCV
 	if (!target_image || target_image->isNull() || trackedObjects.empty())
 		return {};
 
@@ -595,6 +599,11 @@ std::shared_ptr<QImage> EffectBase::TrackedObjectMask(std::shared_ptr<QImage> ta
 	if (!drew_any_box)
 		return {};
 	return mask_image;
+#else
+	(void) target_image;
+	(void) frame_number;
+	return {};
+#endif
 }
 
 void EffectBase::BlendWithMask(std::shared_ptr<QImage> original_image, std::shared_ptr<QImage> effected_image,