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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22 #include "../util.h"
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24 #include <common/memory/safe_ptr.h>
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25 #include <common/concurrency/governor.h>
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27 #include <core/video_format.h>
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29 #include <boost/noncopyable.hpp>
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35 struct AVFormatContext;
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42 struct frame_factory;
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47 class video_decoder : boost::noncopyable
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51 typedef safe_ptr<AVPacket> source_element_t;
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52 typedef safe_ptr<AVFrame> target_element_t;
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54 typedef Concurrency::ISource<source_element_t> source_t;
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55 typedef Concurrency::ITarget<target_element_t> target_t;
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57 explicit video_decoder(source_t& source, target_t& target, AVFormatContext& context);
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59 size_t width() const;
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60 size_t height() const;
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62 int64_t nb_frames() const;
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63 bool is_progressive() const;
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67 struct implementation;
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68 safe_ptr<implementation> impl_;
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