video/opencv: fix exposure reset

1 files changed, 2 insertions, 2 deletions

diff --git a/video-opencv/impl.hpp b/video-opencv/impl.hpp
index 8e61989e..8de82640 100644
--- a/video-opencv/impl.hpp
+++ b/video-opencv/impl.hpp
@@ -44,7 +44,7 @@ static constexpr int video_capture_backend =
     bool is_open() override;
     std::tuple<const frame&, bool> get_frame() override;
     bool show_dialog() override;
-    void set_exposure(bool write);
+    void set_exposure(exposure_preset e);
 
     bool get_frame_();
 
@@ -53,7 +53,7 @@ static constexpr int video_capture_backend =
     std::optional<cv::VideoCapture> cap;
     cv::Mat mat;
     frame frame_;
-    int idx = -1;
+    int idx = -1, writes = 0;
     exposure_preset exposure = exposure_preset::ignored;
 };