]> git.sesse.net Git - casparcg/blob - core/producer/layer.h
* Refactored so that frame_producers are stored in a frame_producer_registry instance...
[casparcg] / core / producer / layer.h
1 /*
2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
3 *
4 * This file is part of CasparCG (www.casparcg.com).
5 *
6 * CasparCG is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * CasparCG is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
18 *
19 * Author: Robert Nagy, ronag89@gmail.com
20 */
21
22 #pragma once
23
24 #include "frame_producer.h"
25
26 #include "../monitor/monitor.h"
27 #include "../interaction/interaction_sink.h"
28 #include "../fwd.h"
29
30 #include <common/forward.h>
31 #include <common/future_fwd.h>
32 #include <common/memory.h>
33
34 #include <boost/property_tree/ptree_fwd.hpp>
35
36 #include <string>
37
38 FORWARD1(boost, template<typename T> class optional);
39
40 namespace caspar { namespace core {
41         
42 class layer final : public interaction_sink
43 {
44         layer(const layer&);
45         layer& operator=(const layer&);
46 public:
47         // Static Members
48
49         // Constructors
50
51         explicit layer(int index = -1); 
52         layer(layer&& other); 
53
54         // Methods
55
56         layer& operator=(layer&& other); 
57
58         void swap(layer& other);  
59                 
60         void load(spl::shared_ptr<frame_producer> producer, bool preview, const boost::optional<int32_t>& auto_play_delta = nullptr);
61         void play();
62         void pause();
63         void resume();
64         void stop();
65         
66         draw_frame receive(const video_format_desc& format_desc);
67         
68         // monitor::observable
69
70         monitor::subject& monitor_output();
71
72         // interaction_sink
73
74         void on_interaction(const interaction_event::ptr& event) override;
75         bool collides(double x, double y) const override;
76
77         // Properties
78                 
79         spl::shared_ptr<frame_producer> foreground() const; 
80         spl::shared_ptr<frame_producer> background() const; 
81
82         boost::property_tree::wptree    info() const;
83
84 private:
85         struct impl;
86         spl::shared_ptr<impl> impl_;
87 };
88
89 }}