From 6eda8a85b84c4e661a8763429ae1978f8da7f9dd Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 5 May 2019 12:34:01 +0200
Subject: video/ps3eye: WIP

---
 video-ps3eye/PS3EYEDriver/singleton.hpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 video-ps3eye/PS3EYEDriver/singleton.hpp

(limited to 'video-ps3eye/PS3EYEDriver/singleton.hpp')

diff --git a/video-ps3eye/PS3EYEDriver/singleton.hpp b/video-ps3eye/PS3EYEDriver/singleton.hpp
new file mode 100644
index 000000000..7e8dc23c6
--- /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();
+};
-- 
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