87 lines
1.9 KiB
C++
87 lines
1.9 KiB
C++
/*
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* Copyright (C) 2015 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LMS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <map>
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#include <set>
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#include <pstreams/pstream.h>
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#include <boost/filesystem.hpp>
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#include <boost/optional.hpp>
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#include "AvInfo.hpp"
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namespace Av {
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enum class Encoding
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{
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OGA,
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OGV,
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MP3,
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WEBMA,
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M4A,
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};
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std::string encodingToMimetype(Encoding encoding);
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struct TranscodeParameters
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{
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Encoding encoding = Encoding::MP3;
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std::size_t bitrate = 128000;
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boost::optional<std::size_t> stream = boost::none; // Id of the stream to be transcoded (auto detect by default)
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boost::optional<std::chrono::seconds> offset = boost::none;
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};
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class Transcoder
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{
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public:
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static void init();
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Transcoder(boost::filesystem::path file, TranscodeParameters parameters);
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~Transcoder();
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// non copyable
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Transcoder(const Transcoder&) = delete;
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Transcoder& operator=(const Transcoder&) = delete;
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bool start();
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void process(std::vector<unsigned char>& output, std::size_t maxSize);
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bool isComplete(void) const { return _isComplete; }
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const TranscodeParameters& getParameters() const { return _parameters; }
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private:
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Transcoder();
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boost::filesystem::path _filePath;
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TranscodeParameters _parameters;
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std::shared_ptr<redi::ipstream> _child;
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bool _isComplete = false;
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std::size_t _total = 0;
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std::size_t _id;
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};
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} // namespace Av
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