2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
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4 * This file is part of CasparCG (www.casparcg.com).
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6 * CasparCG is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation, either version 3 of the License, or
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9 * (at your option) any later version.
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11 * CasparCG is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
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19 * Author: Robert Nagy, ronag89@gmail.com
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24 #include <common/memory/safe_ptr.h>
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26 #include <boost/noncopyable.hpp>
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27 #include <boost/thread/future.hpp>
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28 #include <boost/property_tree/ptree_fwd.hpp>
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32 namespace caspar { namespace core {
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34 struct frame_producer;
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37 class layer : boost::noncopyable
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41 layer(layer&& other); // nothrow
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42 layer& operator=(layer&& other); // nothrow
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43 layer(const layer&);
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44 layer& operator=(const layer&);
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46 void swap(layer& other); // nothrow
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48 void load(const safe_ptr<frame_producer>& producer, bool preview, int auto_play_delta); // nothrow
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49 void play(); // nothrow
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50 void pause(); // nothrow
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51 void stop(); // nothrow
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52 boost::unique_future<std::string> call(bool foreground, const std::string& param);
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54 bool is_paused() const;
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55 int64_t frame_number() const;
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59 safe_ptr<frame_producer> foreground() const; // nothrow
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60 safe_ptr<frame_producer> background() const; // nothrow
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62 safe_ptr<basic_frame> receive(int hints); // nothrow
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64 boost::property_tree::ptree info() const;
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66 struct implementation;
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67 safe_ptr<implementation> impl_;
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