1 files changed, 49 insertions, 0 deletions
diff --git a/video/video-widget.hpp b/video/video-widget.hpp
new file mode 100644
index 00000000..4f54b2b9
--- /dev/null
+++ b/video/video-widget.hpp
@@ -0,0 +1,49 @@
+/* Copyright (c) 2014-2016, 2019 Stanislaw Halik <sthalik@misaki.pl>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ */
+
+#pragma once
+
+#include "compat/math.hpp"
+#include "export.hpp"
+
+#include <vector>
+#include <atomic>
+#include <tuple>
+
+#include <QWidget>
+#include <QImage>
+#include <QTimer>
+
+#include <QMutex>
+
+struct OTR_VIDEO_EXPORT video_widget : QWidget
+{
+    video_widget(QWidget* parent = nullptr);
+
+    void update_image(const QImage& image);
+    std::tuple<int, int> preview_size() const;
+    void resizeEvent(QResizeEvent*) override;
+    void paintEvent(QPaintEvent*) override;
+    void draw_image();
+    bool fresh() const;
+
+protected:
+    mutable QMutex mtx { QMutex::NonRecursive };
+    QImage texture;
+    std::vector<unsigned char> vec;
+    void set_fresh(bool x);
+    void set_image(const unsigned char* src, int width, int height, int stride, QImage::Format fmt);
+
+private:
+    void init_image_nolock();
+    QTimer timer;
+
+    std::atomic<QSize> size_ = QSize(320, 240);
+    std::atomic<bool> fresh_ { false };
+
+    static_assert(decltype(fresh_)::is_always_lock_free);
+};