2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
4 * This file is part of CasparCG (www.casparcg.com).
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.
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.
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/>.
19 * Author: Robert Nagy, ronag89@gmail.com
24 #include <common/memory.h>
26 #include <boost/noncopyable.hpp>
27 #include <boost/algorithm/string/case_conv.hpp>
35 namespace caspar { namespace ffmpeg {
37 static std::wstring append_filter(const std::wstring& filters, const std::wstring& filter)
39 return filters + (filters.empty() ? L"" : L",") + filter;
42 class filter : boost::noncopyable
45 filter(const std::wstring& filters = L"", const std::vector<PixelFormat>& pix_fmts = std::vector<PixelFormat>());
46 filter(filter&& other);
47 filter& operator=(filter&& other);
49 void push(const std::shared_ptr<AVFrame>& frame);
50 std::shared_ptr<AVFrame> poll();
51 std::vector<spl::shared_ptr<AVFrame>> poll_all();
53 std::wstring filter_str() const;
55 static bool is_double_rate(const std::wstring& filters)
57 if(boost::to_upper_copy(filters).find(L"YADIF=1") != std::string::npos)
60 if(boost::to_upper_copy(filters).find(L"YADIF=3") != std::string::npos)
66 static bool is_deinterlacing(const std::wstring& filters)
68 if(boost::to_upper_copy(filters).find(L"YADIF") != std::string::npos)
73 static int delay(const std::wstring& filters)
75 return is_double_rate(filters) ? 1 : 0;
80 return delay(filter_str());
83 bool is_double_rate() const
85 return is_double_rate(filter_str());
88 bool is_deinterlacing() const
90 return is_deinterlacing(filter_str());
94 spl::shared_ptr<impl> impl_;