1 files changed, 53 insertions, 0 deletions
diff --git a/tracker-ht/ht_video_widget.cpp b/tracker-ht/ht_video_widget.cpp
new file mode 100644
index 00000000..02fe71d1
--- /dev/null
+++ b/tracker-ht/ht_video_widget.cpp
@@ -0,0 +1,53 @@
+/* Copyright (c) 2014 Stanislaw Halik
+ *
+ * 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.
+ */
+
+#include "ht_video_widget.h"
+
+void HTVideoWidget::update_image(unsigned char *frame, int width, int height)
+{
+    QMutexLocker foo(&mtx);
+    if (!fresh)
+    {
+        memcpy(fb, frame, width * height * 3);
+        this->width = width;
+        this->height = height;
+        fresh = true;
+    }
+}
+
+void HTVideoWidget::update_and_repaint()
+{
+    QImage qframe;
+    {
+        QMutexLocker foo(&mtx);
+        if (width*height <= 0 || !fresh)
+            return;
+        fresh = false;
+        qframe = QImage(width, height, QImage::Format_RGB888);
+        uchar* data = qframe.bits();
+        const int pitch = qframe.bytesPerLine();
+        for (int y = 0; y < height; y++)
+        {
+            const int part = y*width;
+            for (int x = 0; x < width; x++)
+            {
+                const int pos = 3 * (part + x);
+                const int x_ = x * 3;
+                data[x_ + 0] = fb[pos + 2];
+                data[x_ + 1] = fb[pos + 1];
+                data[x_ + 2] = fb[pos + 0];
+            }
+            data += pitch;
+        }
+    }
+    qframe = qframe.scaled(size(), Qt::IgnoreAspectRatio, Qt::FastTransformation);
+    {
+        QMutexLocker foo(&mtx);
+        texture = qframe;
+    }
+    update();
+}