]> git.sesse.net Git - casparcg/blob - modules/ffmpeg/producer/filter/audio_filter.h
* Reenabled unit-test project after move to CMake.
[casparcg] / modules / ffmpeg / producer / filter / audio_filter.h
1 /*
2 * Copyright 2013 Sveriges Television AB http://casparcg.com/
3 *
4 * This file is part of CasparCG (www.casparcg.com).
5 *
6 * CasparCG is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * CasparCG is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
18 *
19 * Author: Robert Nagy, ronag89@gmail.com
20 */
21
22 #pragma once
23
24 #include <common/memory.h>
25
26 #include <boost/rational.hpp>
27 #include <boost/noncopyable.hpp>
28
29 #include <string>
30 #include <vector>
31
32 #if defined(_MSC_VER)
33 #pragma warning (push)
34 #pragma warning (disable : 4244)
35 #endif
36 extern "C"
37 {
38 #include <libavutil/samplefmt.h>
39 }
40 #if defined(_MSC_VER)
41 #pragma warning (pop)
42 #endif
43
44 struct AVFrame;
45
46 namespace caspar { namespace ffmpeg {
47
48 class audio_filter : boost::noncopyable
49 {
50 public:
51         audio_filter(
52                         boost::rational<int> in_time_base,
53                         int in_sample_rate,
54                         AVSampleFormat in_sample_fmt,
55                         std::int64_t in_audio_channel_layout,
56                         std::vector<int> out_sample_rates,
57                         std::vector<AVSampleFormat> out_sample_fmts,
58                         std::vector<std::int64_t> out_audio_channel_layouts,
59                         const std::string& filtergraph);
60         audio_filter(audio_filter&& other);
61         audio_filter& operator=(audio_filter&& other);
62
63         void push(const std::shared_ptr<AVFrame>& frame);
64         std::shared_ptr<AVFrame> poll();
65         std::vector<spl::shared_ptr<AVFrame>> poll_all();
66
67         std::wstring filter_str() const;
68 private:
69         struct implementation;
70         spl::shared_ptr<implementation> impl_;
71 };
72
73 }}