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[casparcg] / core / producer / stage.h
1 /*\r
2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
3 *\r
4 * This file is part of CasparCG (www.casparcg.com).\r
5 *\r
6 * CasparCG is free software: you can redistribute it and/or modify\r
7 * it under the terms of the GNU General Public License as published by\r
8 * the Free Software Foundation, either version 3 of the License, or\r
9 * (at your option) any later version.\r
10 *\r
11 * CasparCG is distributed in the hope that it will be useful,\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
14 * GNU General Public License for more details.\r
15 *\r
16 * You should have received a copy of the GNU General Public License\r
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
18 *\r
19 * Author: Robert Nagy, ronag89@gmail.com\r
20 */\r
21 \r
22 #pragma once\r
23 \r
24 #include "frame_producer.h"\r
25 \r
26 #include "../monitor/monitor.h"\r
27 \r
28 #include <common/memory/safe_ptr.h>\r
29 #include <common/concurrency/target.h>\r
30 #include <common/diagnostics/graph.h>\r
31 \r
32 #include <boost/noncopyable.hpp>\r
33 #include <boost/property_tree/ptree_fwd.hpp>\r
34 #include <boost/thread/future.hpp>\r
35 \r
36 #include <functional>\r
37 \r
38 namespace caspar { namespace core {\r
39 \r
40 struct video_format_desc;\r
41 struct frame_transform;\r
42 \r
43 class stage : boost::noncopyable\r
44 {\r
45 public:\r
46 \r
47         // Static Members\r
48 \r
49         typedef std::function<struct frame_transform(struct frame_transform)>                                                   transform_func_t;\r
50         typedef std::tuple<int, transform_func_t, unsigned int, std::wstring>                                                   transform_tuple_t;\r
51         typedef target<std::pair<std::map<int, safe_ptr<basic_frame>>, std::shared_ptr<void>>> target_t;\r
52 \r
53         // Constructors\r
54 \r
55         explicit stage(const safe_ptr<diagnostics::graph>& graph, const safe_ptr<target_t>& target, const video_format_desc& format_desc);\r
56         \r
57         // Methods\r
58         \r
59         void apply_transforms(const std::vector<transform_tuple_t>& transforms);\r
60         void apply_transform(int index, const transform_func_t& transform, unsigned int mix_duration = 0, const std::wstring& tween = L"linear");\r
61         void clear_transforms(int index);\r
62         void clear_transforms();\r
63 \r
64         void spawn_token();\r
65                         \r
66         void load(int index, const safe_ptr<frame_producer>& producer, bool preview = false, int auto_play_delta = -1);\r
67         void pause(int index);\r
68         void play(int index);\r
69         void stop(int index);\r
70         void clear(int index);\r
71         void clear();   \r
72         void swap_layers(const safe_ptr<stage>& other);\r
73         void swap_layer(int index, size_t other_index);\r
74         void swap_layer(int index, size_t other_index, const safe_ptr<stage>& other);\r
75         \r
76         boost::unique_future<std::wstring>                              call(int index, bool foreground, const std::wstring& param);\r
77 \r
78         // Properties\r
79 \r
80         boost::unique_future<safe_ptr<frame_producer>>  foreground(int index);\r
81         boost::unique_future<safe_ptr<frame_producer>>  background(int index);\r
82 \r
83         boost::unique_future<boost::property_tree::wptree> info() const;\r
84         boost::unique_future<boost::property_tree::wptree> info(int layer) const;\r
85         \r
86         void set_video_format_desc(const video_format_desc& format_desc);\r
87                 \r
88         monitor::source& monitor_output();\r
89 \r
90 private:\r
91         struct implementation;\r
92         safe_ptr<implementation> impl_;\r
93 };\r
94 \r
95 }}