1 files changed, 32 insertions, 0 deletions
diff --git a/video-ps3eye/PS3EYEDriver/singleton.hpp b/video-ps3eye/PS3EYEDriver/singleton.hpp
new file mode 100644
index 00000000..7e8dc23c
--- /dev/null
+++ b/video-ps3eye/PS3EYEDriver/singleton.hpp
@@ -0,0 +1,32 @@
+#pragma once
+
+#include <vector>
+#include <memory>
+#include <thread>
+#include <atomic>
+
+struct libusb_context;
+struct ps3eye_camera;
+
+struct USBMgr
+{
+    USBMgr();
+    ~USBMgr();
+    USBMgr(const USBMgr&) = delete;
+    void operator=(const USBMgr&) = delete;
+
+    static USBMgr& instance();
+    int list_devices(std::vector<std::shared_ptr<ps3eye_camera>>& list);
+    void camera_started();
+    void camera_stopped();
+
+private:
+    libusb_context* usb_context = nullptr;
+    std::thread update_thread;
+    std::atomic_int active_camera_count = 0;
+    std::atomic_bool exit_signaled = false;
+
+    void start_xfer_thread();
+    void stop_xfer_thread();
+    void transfer_loop();
+};