Add video waveform viewer.

1 files changed, 58 insertions, 0 deletions

diff --git a/src/wx/video_waveform_plot.h b/src/wx/video_waveform_plot.h
new file mode 100644
index 000000000..440be32e2
--- /dev/null
+++ b/src/wx/video_waveform_plot.h
@@ -0,0 +1,58 @@
+/*
+    Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
+
+    This program 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.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <wx/wx.h>
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+#include <boost/signals2.hpp>
+
+namespace dcp {
+	class OpenJPEGImage;
+}
+
+class PlayerVideo;
+class Image;
+class FilmViewer;
+
+class VideoWaveformPlot : public wxPanel
+{
+public:
+	VideoWaveformPlot (wxWindow* parent, FilmViewer* viewer);
+
+	void set_enabled (bool e);
+	void set_component (int c);
+	void set_contrast (int b);
+
+private:
+	void paint ();
+	void sized (wxSizeEvent &);
+	void create_waveform ();
+	void set_image (boost::weak_ptr<PlayerVideo>);
+
+	boost::shared_ptr<dcp::OpenJPEGImage> _image;
+	boost::shared_ptr<const Image> _waveform;
+	bool _dirty;
+	bool _enabled;
+	int _component;
+	int _contrast;
+
+	static int const _vertical_margin;
+
+	boost::signals2::connection _viewer_connection;
+};