git.sesse.net Git - casparcg/blob - 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 #include <boost/optional.hpp>
  36
  37 #include <string>
  38
  39 namespace caspar { namespace core {
  40
  41 class layer final : public interaction_sink
  42 {
  43         layer(const layer&);
  44         layer& operator=(const layer&);
  45 public:
  46         // Static Members
  47
  48         // Constructors
  49
  50         explicit layer(int index = -1);
  51         layer(layer&& other);
  52
  53         // Methods
  54
  55         layer& operator=(layer&& other);
  56
  57         void swap(layer& other);
  58
  59         void load(spl::shared_ptr<frame_producer> producer, bool preview, const boost::optional<int32_t>& auto_play_delta = boost::optional<int32_t>());
  60         void play();
  61         void pause();
  62         void resume();
  63         void stop();
  64
  65         draw_frame receive(const video_format_desc& format_desc);
  66
  67         // monitor::observable
  68
  69         monitor::subject& monitor_output();
  70
  71         // interaction_sink
  72
  73         void on_interaction(const interaction_event::ptr& event) override;
  74         bool collides(double x, double y) const override;
  75
  76         // Properties
  77
  78         spl::shared_ptr<frame_producer> foreground() const;
  79         spl::shared_ptr<frame_producer> background() const;
  80
  81         boost::property_tree::wptree    info() const;
  82         boost::property_tree::wptree    delay_info() const;
  83
  84 private:
  85         struct impl;
  86         spl::shared_ptr<impl> impl_;
  87 };
  88
  89 }}