Mir
compositing_screencast.h
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1 /*
2  * Copyright © 2014 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Alexandros Frantzis <alexandros.frantzis@canonical.com>
17  */
18 
19 #ifndef MIR_COMPOSITOR_COMPOSITING_SCREENCAST_H_
20 #define MIR_COMPOSITOR_COMPOSITING_SCREENCAST_H_
21 
23 
24 #include <unordered_map>
25 #include <mutex>
26 
27 namespace mir
28 {
29 namespace geometry { struct Rectangle; }
30 namespace graphics
31 {
32 class Display;
33 class DisplayBuffer;
34 class GraphicBufferAllocator;
35 }
36 namespace compositor
37 {
38 class Scene;
39 namespace detail { struct ScreencastSessionContext; }
40 
42 
44 {
45 public:
47  std::shared_ptr<Scene> const& scene,
48  std::shared_ptr<graphics::Display> const& display,
49  std::shared_ptr<graphics::GraphicBufferAllocator> const& buffer_allocator,
50  std::shared_ptr<DisplayBufferCompositorFactory> const& db_compositor_factory);
51 
52  frontend::ScreencastSessionId create_session(
53  geometry::Rectangle const& region,
54  geometry::Size const& size,
55  MirPixelFormat pixel_format,
56  int nbuffers,
57  MirMirrorMode mirror_mode) override;
58  void destroy_session(frontend::ScreencastSessionId id) override;
59  std::shared_ptr<graphics::Buffer> capture(frontend::ScreencastSessionId id) override;
60 
61 private:
62  frontend::ScreencastSessionId next_available_session_id();
63  std::shared_ptr<detail::ScreencastSessionContext>
64  create_session_context(geometry::Rectangle const& rect,
65  geometry::Size const& size,
66  MirPixelFormat pixel_format,
67  int nbuffers,
68  MirMirrorMode mirror_mode);
69 
70  std::mutex session_mutex;
71  std::shared_ptr<Scene> const scene;
72  std::shared_ptr<graphics::Display> const display;
73  std::shared_ptr<graphics::GraphicBufferAllocator> const buffer_allocator;
74  std::shared_ptr<DisplayBufferCompositorFactory> const db_compositor_factory;
75 
76  std::unordered_map<frontend::ScreencastSessionId,
77  std::shared_ptr<detail::ScreencastSessionContext>> session_contexts;
78 };
79 
80 }
81 }
82 
83 #endif /* MIR_FRONTEND_SCREENCAST_H_ */
Definition: size.h:30
All things Mir.
Definition: atomic_callback.h:25
IntWrapper< detail::ScreencastSessionIdTag, uint32_t > ScreencastSessionId
Definition: screencast.h:34
Definition: compositing_screencast.h:43
Definition: screencast.h:36
MirMirrorMode
Mirroring axis relative to the "natural" orientation of the display.
Definition: common.h:173
MirPixelFormat
32-bit pixel formats (8888): The order of components in the enum matches the order of the components ...
Definition: common.h:134
Definition: int_wrapper.h:27
Definition: rectangle.h:33
Definition: display_buffer_compositor_factory.h:36
int const size
Definition: make_socket_rpc_channel.cpp:51

Copyright © 2012-2015 Canonical Ltd.
Generated on Thu Sep 8 14:50:19 UTC 2016