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 
53  geometry::Rectangle const& region,
54  geometry::Size const& size,
55  MirPixelFormat pixel_format);
57  std::shared_ptr<graphics::Buffer> capture(frontend::ScreencastSessionId id);
58 
59 private:
60  frontend::ScreencastSessionId next_available_session_id();
61  std::shared_ptr<detail::ScreencastSessionContext>
62  create_session_context(geometry::Rectangle const& rect,
63  geometry::Size const& size,
64  MirPixelFormat pixel_format);
65 
66  std::mutex session_mutex;
67  std::shared_ptr<Scene> const scene;
68  std::shared_ptr<graphics::Display> const display;
69  std::shared_ptr<graphics::GraphicBufferAllocator> const buffer_allocator;
70  std::shared_ptr<DisplayBufferCompositorFactory> const db_compositor_factory;
71 
72  std::unordered_map<frontend::ScreencastSessionId,
73  std::shared_ptr<detail::ScreencastSessionContext>> session_contexts;
74 };
75 
76 }
77 }
78 
79 #endif /* MIR_FRONTEND_SCREENCAST_H_ */
Definition: size.h:30
All things Mir.
Definition: buffer_stream.h:37
IntWrapper< detail::ScreencastSessionIdTag, uint32_t > ScreencastSessionId
Definition: screencast.h:34
std::shared_ptr< graphics::Buffer > capture(frontend::ScreencastSessionId id)
Definition: compositing_screencast.cpp:116
void destroy_session(frontend::ScreencastSessionId id)
Definition: compositing_screencast.cpp:104
Definition: compositing_screencast.h:43
CompositingScreencast(std::shared_ptr< Scene > const &scene, std::shared_ptr< graphics::Display > const &display, std::shared_ptr< graphics::GraphicBufferAllocator > const &buffer_allocator, std::shared_ptr< DisplayBufferCompositorFactory > const &db_compositor_factory)
Definition: compositing_screencast.cpp:72
Definition: screencast.h:36
MirPixelFormat
The order of components in a format enum matches the order of the components as they would be written...
Definition: common.h:127
Definition: int_wrapper.h:27
frontend::ScreencastSessionId create_session(geometry::Rectangle const &region, geometry::Size const &size, MirPixelFormat pixel_format)
Definition: compositing_screencast.cpp:84
Definition: rectangle.h:33
Definition: display_buffer_compositor_factory.h:36
int const size
Definition: make_socket_rpc_channel.cpp:51

Copyright © 2012,2013 Canonical Ltd.
Generated on Tue Mar 24 16:15:19 UTC 2015