2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
\r
4 * This file is part of CasparCG (www.casparcg.com).
\r
6 * CasparCG is free software: you can redistribute it and/or modify
\r
7 * it under the terms of the GNU General Public License as published by
\r
8 * the Free Software Foundation, either version 3 of the License, or
\r
9 * (at your option) any later version.
\r
11 * CasparCG is distributed in the hope that it will be useful,
\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
14 * GNU General Public License for more details.
\r
16 * You should have received a copy of the GNU General Public License
\r
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
\r
19 * Author: Robert Nagy, ronag89@gmail.com
\r
24 #include <common/spl/memory.h>
\r
25 #include <common/forward.h>
\r
27 #include <core/monitor/monitor.h>
\r
29 #include <boost/noncopyable.hpp>
\r
31 struct AVFormatContext;
\r
35 namespace caspar { namespace ffmpeg {
\r
37 class video_decoder : public monitor::observable
\r
38 , boost::noncopyable
\r
41 explicit video_decoder(const spl::shared_ptr<AVFormatContext>& context);
\r
44 void push(const std::shared_ptr<AVPacket>& packet);
\r
45 std::shared_ptr<AVFrame> poll();
\r
50 uint32_t nb_frames() const;
\r
51 uint32_t file_frame_number() const;
\r
53 bool is_progressive() const;
\r
55 std::wstring print() const;
\r
57 // monitor::observable
\r
59 virtual void subscribe(const monitor::observable::observer_ptr& o) override;
\r
60 virtual void unsubscribe(const monitor::observable::observer_ptr& o) override;
\r
64 spl::shared_ptr<impl> impl_;
\r