1 files changed, 9 insertions, 0 deletions
diff --git a/video-opencv/impl.hpp b/video-opencv/impl.hpp
index 3d793490..db569823 100644
--- a/video-opencv/impl.hpp
+++ b/video-opencv/impl.hpp
@@ -31,6 +31,15 @@ struct metadata : camera_
 
 struct cam final : camera
 {
+static constexpr int video_capture_backend =
+#ifdef _WIN32
+    cv::CAP_DSHOW;
+#elif !defined __APPLE__
+    cv::CAP_V4L2;
+#else
+    cv::CAP_ANY;
+#endif
+
     cam(int idx);
     ~cam() override;