cv/video-widget: make it work without opencv

1 files changed, 54 insertions, 0 deletions

diff --git a/video/video-widget.hpp b/video/video-widget.hpp
new file mode 100644
index 00000000..2393db2e
--- /dev/null
+++ b/video/video-widget.hpp
@@ -0,0 +1,54 @@
+/* Copyright (c) 2012 Patrick Ruoff
+ * Copyright (c) 2014-2016 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 <vector>
+
+#ifdef OTR_HAS_OPENCV
+#   include <opencv2/core.hpp>
+#endif
+
+#include <QWidget>
+#include <QTimer>
+#include <QMutex>
+
+class cv_video_widget final : public QWidget
+{
+    Q_OBJECT
+
+public:
+    cv_video_widget(QWidget *parent);
+
+#ifdef OTR_HAS_OPENCV
+    void update_image(const cv::Mat& frame);
+#endif
+    void update_image(const QImage& image);
+    void get_preview_size(int& w, int& h);
+    void resizeEvent(QResizeEvent*) override;
+private slots:
+    void paintEvent(QPaintEvent*) override;
+    void update_and_repaint();
+private:
+    QMutex mtx { QMutex::Recursive };
+    QImage texture;
+    std::vector<unsigned char> vec;
+    QTimer timer;
+
+#ifdef OTR_HAS_OPENCV
+    cv::Mat frame2, frame3;
+#endif
+    bool freshp = false;
+
+    int W  = iround(QWidget::width() * devicePixelRatioF());
+    int H = iround(QWidget::height() * devicePixelRatioF());
+
+    void init_image_nolock();
+};