Sebastian
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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Copyright (c) 2015, Dimitri Diakopoulos All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <libremidi/message.hpp>
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NAMESPACE_LIBREMIDI
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{
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/**
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* @brief reads Standard MIDI files (SMF).
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*
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* Usage:
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* ```
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* libremidi::reader r;
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* auto res = r.parse(midi_bytes, num_bytes);
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* ```
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*/
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class LIBREMIDI_EXPORT reader
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{
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public:
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enum parse_result
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{
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invalid, //! Nothing could be parsed
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incomplete, //! Some of the data could be parsed, but not all: there may be missing events /
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//! tracks
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complete, //! All the data could be parsed but not necessarily validated
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validated //! The data could be parsed and conforms to SMF rules
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};
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explicit reader(bool useAbsolute = false);
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~reader();
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parse_result parse(const uint8_t* data, std::size_t size) noexcept;
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parse_result parse(const std::vector<uint8_t>& buffer) noexcept;
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parse_result parse(std::span<uint8_t> buffer) noexcept;
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[[nodiscard]] double get_end_time() const noexcept;
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float ticksPerBeat{}; // precision (number of ticks distinguishable per second)
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float startingTempo{};
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int format{};
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std::vector<midi_track> tracks;
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private:
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bool m_useAbsoluteTicks{};
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};
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}
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#if defined(LIBREMIDI_HEADER_ONLY)
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#include <libremidi/reader.cpp>
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#endif
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