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2.0.1: ffmpeg: Replaced TBB implementation with better Concurrency Runtime based...
[casparcg] / modules / ffmpeg / producer / video / video_decoder.h
1 /*\r
2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
3 *\r
4 *  This file is part of CasparCG.\r
5 *\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
10 *\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
15 \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
18 *\r
19 */\r
20 #pragma once\r
21 \r
22 #include <common/memory/safe_ptr.h>\r
23 \r
24 #include <core/video_format.h>\r
25 \r
26 #include <boost/noncopyable.hpp>\r
27 \r
28 #include <agents.h>\r
29 #include <vector>\r
30 \r
31 struct AVFormatContext;\r
32 struct AVFrame;\r
33 struct AVPacket;\r
34 \r
35 namespace caspar {\r
36 \r
37 namespace core {\r
38         struct frame_factory;\r
39 }\r
40 \r
41 namespace ffmpeg {\r
42 \r
43 class video_decoder : boost::noncopyable\r
44 {\r
45 public:\r
46 \r
47         typedef Concurrency::ISource<bool>                                              token_t;\r
48         typedef Concurrency::ISource<std::shared_ptr<AVPacket>> source_t;\r
49         typedef Concurrency::ITarget<std::shared_ptr<AVFrame>>  target_t;\r
50 \r
51         explicit video_decoder(token_t& active_token,\r
52                                                    source_t& source,\r
53                                                    target_t& target,\r
54                                                    const safe_ptr<AVFormatContext>& context, \r
55                                                    double fps, \r
56                                                    const std::wstring& filter); \r
57 \r
58         size_t width() const;\r
59         size_t height() const;\r
60 \r
61         int64_t nb_frames() const;\r
62         bool is_progressive() const;\r
63 \r
64         double fps() const;\r
65 private:\r
66         struct implementation;\r
67         safe_ptr<implementation> impl_;\r
68 };\r
69 \r
70 }}