/*
- Copyright (C) 2019 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2020 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
+#include <dcp/warnings.h>
+LIBDCP_DISABLE_WARNINGS
+#include <wx/glcanvas.h>
+#include <wx/wx.h>
+LIBDCP_ENABLE_WARNINGS
+
+
+/* The OpenGL API in wxWidgets 3.0.x is sufficiently different to make it awkward to support,
+ * and I think it may even have things missing that we require (e.g. the attributes parameter
+ * to wxGLContext). Hence we only support the GLVideoView on wxWidgets 3.1.0 and higher
+ * (which only excludes the old macOS builds, since wxWidgets 3.1.x does not support macOS
+ * 10.9 or earlier).
+ */
+#if wxCHECK_VERSION(3,1,0)
+
#include "video_view.h"
#include "lib/signaller.h"
-#include <wx/wx.h>
-#include <wx/glcanvas.h>
+#include "lib/position.h"
#include <dcp/util.h>
-#include <boost/shared_ptr.hpp>
+#include <boost/atomic.hpp>
#include <boost/thread.hpp>
+#include <boost/thread/condition.hpp>
#undef None
#undef Success
+#undef Status
+
+
+class Texture
+{
+public:
+ Texture (GLint unpack_alignment);
+ ~Texture ();
+
+ Texture (Texture const&) = delete;
+ Texture& operator= (Texture const&) = delete;
+
+ void bind ();
+ void set (std::shared_ptr<const Image> image);
+
+private:
+ GLuint _name;
+ GLint _unpack_alignment;
+ boost::optional<dcp::Size> _size;
+};
+
class GLVideoView : public VideoView
{
GLVideoView (FilmViewer* viewer, wxWindow* parent);
~GLVideoView ();
- void set_image (boost::shared_ptr<const Image> image);
- wxWindow* get () const {
+ wxWindow* get () const override {
return _canvas;
}
- void update ();
- void start ();
- void stop ();
+ void update () override;
+ void start () override;
+ void stop () override;
- bool display_next_frame (bool);
+ NextFrameResult display_next_frame (bool) override;
bool vsync_enabled () const {
return _vsync_enabled;
}
+ std::map<GLenum, std::string> information () const {
+ return _information;
+ }
+
private:
- void paint ();
+ void set_image (std::shared_ptr<const PlayerVideo> pv);
+ void set_image_and_draw ();
void draw ();
void thread ();
- wxGLContext* context () const;
+ void thread_playing ();
+ void request_one_shot ();
+ void check_for_butler_errors ();
+ void ensure_context ();
+ void size_changed (wxSizeEvent const &);
+ void setup_shaders ();
+ void set_outline_content_colour (GLuint program);
+ void set_crop_guess_colour (GLuint program);
wxGLCanvas* _canvas;
-
wxGLContext* _context;
- mutable boost::mutex _context_mutex;
- GLuint _id;
- boost::optional<dcp::Size> _size;
+ template <class T>
+ class Last
+ {
+ public:
+ void set_next (T const& next) {
+ _next = next;
+ }
+
+ bool changed () const {
+ return !_value || *_value != _next;
+ }
+
+ void update () {
+ _value = _next;
+ }
+
+ private:
+ boost::optional<T> _value;
+ T _next;
+ };
+
+ Last<wxSize> _last_canvas_size;
+ Last<dcp::Size> _last_video_size;
+ Last<Position<int>> _last_inter_position;
+ Last<dcp::Size> _last_inter_size;
+ Last<dcp::Size> _last_out_size;
+ Last<boost::optional<dcpomatic::Rect<float>>> _last_crop_guess;
+
+ boost::atomic<wxSize> _canvas_size;
+ std::unique_ptr<Texture> _video_texture;
+ std::unique_ptr<Texture> _subtitle_texture;
+ bool _have_subtitle_to_render = false;
bool _vsync_enabled;
- boost::thread* _thread;
+ boost::thread _thread;
+
+ boost::mutex _playing_mutex;
+ boost::condition _thread_work_condition;
+ boost::atomic<bool> _playing;
+ boost::atomic<bool> _one_shot;
+
+ GLuint _vao;
+ GLint _fragment_type;
+ bool _setup_shaders_done = false;
+
+ std::shared_ptr<wxTimer> _timer;
+
+ std::map<GLenum, std::string> _information;
};
+
+#endif