blob: 4e61b5b4c8ab0765b38c131d9ca5af1065ee97c8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
Copyright (C) 2020 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"
#include "lib/signaller.h"
#include "lib/position.h"
#include "lib/warnings.h"
DCPOMATIC_DISABLE_WARNINGS
#include <wx/glcanvas.h>
#include <wx/wx.h>
DCPOMATIC_ENABLE_WARNINGS
#include <dcp/util.h>
#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 ();
bool set (std::shared_ptr<const Image> image);
private:
GLuint _name;
GLint _unpack_alignment;
boost::optional<dcp::Size> _size;
};
class GLVideoView : public VideoView
{
public:
GLVideoView (FilmViewer* viewer, wxWindow* parent);
~GLVideoView ();
wxWindow* get () const override {
return _canvas;
}
void update () override;
void start () override;
void stop () override;
NextFrameResult display_next_frame (bool) override;
bool vsync_enabled () const {
return _vsync_enabled;
}
std::map<GLenum, std::string> information () const {
return _information;
}
private:
void set_image (std::shared_ptr<const PlayerVideo> pv);
void set_image_and_draw ();
void draw (Position<int> inter_position, dcp::Size inter_size);
void thread ();
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_border_colour (GLuint program);
wxGLCanvas* _canvas;
wxGLContext* _context;
boost::atomic<wxSize> _canvas_size;
std::unique_ptr<Texture> _video_texture;
bool _vsync_enabled;
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;
};
|
