2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
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4 * This file is part of CasparCG.
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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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23 #include <common/memory/safe_ptr.h>
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25 #include <boost/noncopyable.hpp>
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30 namespace caspar { namespace core {
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32 struct frame_producer;
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37 std::wstring foreground;
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38 std::wstring background;
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40 int64_t total_frames;
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41 int64_t current_frame;
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44 class layer : boost::noncopyable
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48 layer(layer&& other); // nothrow
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49 layer& operator=(layer&& other); // nothrow
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50 layer(const layer&);
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51 layer& operator=(const layer&);
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53 void swap(layer& other); // nothrow
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55 void load(const safe_ptr<frame_producer>& producer, bool preview, int auto_play_delta); // nothrow
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56 void play(); // nothrow
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57 void pause(); // nothrow
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58 void stop(); // nothrow
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59 void param(const std::wstring& param);
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61 bool is_paused() const;
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62 int64_t frame_number() const;
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64 layer_status status() const;
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68 safe_ptr<frame_producer> foreground() const; // nothrow
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69 safe_ptr<frame_producer> background() const; // nothrow
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71 safe_ptr<basic_frame> receive(); // nothrow
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73 struct implementation;
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74 safe_ptr<implementation> impl_;
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