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/spl/memory.h>
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25 #include <common/reactive.h>
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26 #include <common/forward.h>
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28 #include "monitor/monitor.h"
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30 #include <boost/property_tree/ptree_fwd.hpp>
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32 FORWARD3(caspar, core, ogl, class accelerator);
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34 namespace caspar { namespace core {
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36 typedef reactive::observable<spl::shared_ptr<const struct data_frame>> frame_observer;
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38 class video_channel sealed : public frame_observer
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39 , public monitor::observable
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41 video_channel(const video_channel&);
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42 video_channel& operator=(const video_channel&);
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44 explicit video_channel(int index, const struct video_format_desc& format_desc, spl::shared_ptr<struct image_mixer> image_mixer);
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46 spl::shared_ptr<class stage> stage();
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47 spl::shared_ptr<class mixer> mixer();
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48 spl::shared_ptr<class output> output();
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49 spl::shared_ptr<struct frame_factory> frame_factory();
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51 struct video_format_desc get_video_format_desc() const;
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52 void set_video_format_desc(const struct video_format_desc& format_desc);
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54 boost::property_tree::wptree info() const;
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56 // observable<spl::shared_ptr<const struct data_frame>>
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58 virtual void subscribe(const frame_observer::observer_ptr& o) override;
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59 virtual void unsubscribe(const frame_observer::observer_ptr& o) override;
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61 // monitor::observable
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63 virtual void subscribe(const monitor::observable::observer_ptr& o) override;
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64 virtual void unsubscribe(const monitor::observable::observer_ptr& o) override;
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67 spl::shared_ptr<impl> impl_;
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