WIP: Metal backend for macOS.

diff --git a/src/wx/metal_video_view.cc b/src/wx/metal_video_view.cc
new file mode 100644 (file)
index 0000000..67d1db9
--- /dev/null
+++ b/src/wx/metal_video_view.cc
@@ -0,0 +1,72 @@
+/*
+    Copyright (C) 2024 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    DCP-o-matic is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "metal_video_view.h"
+
+#define NS_PRIVATE_IMPLEMENTATION
+#define MTL_PRIVATE_IMPLEMENTATION
+#define MTK_PRIVATE_IMPLEMENTATION
+#define CA_PRIVATE_IMPLEMENTATION
+#include <Metal/Metal.hpp>
+#include <AppKit/AppKit.hpp>
+#include <MetalKit/MetalKit.hpp>
+
+
+MetalVideoView::MetalVideoView(FilmViewer* viewer, wxWindow* parent)
+       : VideoView(viewer)
+{
+       _device = MTLCreateSystemDefaultDevice();
+}
+
+
+MetalVideoView::~MetalVideoView()
+{
+       _device->release();
+}
+
+
+void
+MetalVideoView::update()
+{
+
+}
+
+
+void
+MetalVideoView::start()
+{
+
+}
+
+
+void
+MetalVideoView::stop()
+{
+
+}
+
+
+VideoView::NextFrameResult
+MetalVideoView::display_next_frame(bool non_blocking)
+{
+
+}
+

diff --git a/src/wx/metal_video_view.h b/src/wx/metal_video_view.h
new file mode 100644 (file)
index 0000000..24c1351
--- /dev/null
+++ b/src/wx/metal_video_view.h
@@ -0,0 +1,44 @@
+/*
+    Copyright (C) 2024 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    DCP-o-matic is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "video_view.h"
+
+
+class MetalVideoView : public VideoView
+{
+public:
+       MetalVideoView(FilmViewer* viewer, wxWindow* parent);
+       ~MetalVideoView();
+
+       wxWindow* get() const override {
+               return _canvas;
+       }
+
+       void update() override;
+       void start() override;
+       void stop() override;
+
+       NextFrameResult display_next_frame(bool non_blocking) override;
+
+private:
+       wxWindow* _canvas;
+};
+