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c0682c94a4
* Re-enable MIDI export * Fix logic for processing BB tracks and BB notes * Consider master pitch and base note in MIDI export. * Cut BB notes at the end of BB pattern.
87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
/*
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* MidiExport.h - support for Exporting MIDI-files
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*
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* Copyright (c) 2015 Mohamed Abdel Maksoud <mohamed at amaksoud.com>
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* Copyright (c) 2017 Hyunjin Song <tteu.ingog/at/gmail.com>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program 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 GNU
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* 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
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _MIDI_EXPORT_H
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#define _MIDI_EXPORT_H
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#include <QString>
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#include "ExportFilter.h"
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#include "MidiFile.hpp"
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const int BUFFER_SIZE = 50*1024;
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typedef MidiFile::MIDITrack<BUFFER_SIZE> MTrack;
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struct MidiNote
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{
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int time;
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uint8_t pitch;
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int duration;
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uint8_t volume;
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inline bool operator<(const MidiNote &b) const
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{
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return this->time < b.time;
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}
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} ;
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typedef std::vector<MidiNote> MidiNoteVector;
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typedef std::vector<MidiNote>::iterator MidiNoteIterator;
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class MidiExport: public ExportFilter
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{
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// Q_OBJECT
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public:
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MidiExport();
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~MidiExport();
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virtual PluginView *instantiateView(QWidget *)
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{
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return nullptr;
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}
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virtual bool tryExport(const TrackContainer::TrackList &tracks,
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const TrackContainer::TrackList &tracks_BB,
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int tempo, int masterPitch, const QString &filename);
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private:
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void writePattern(MidiNoteVector &pat, QDomNode n,
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int base_pitch, double base_volume, int base_time);
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void writePatternToTrack(MTrack &mtrack, MidiNoteVector &nv);
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void writeBBPattern(MidiNoteVector &src, MidiNoteVector &dst,
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int len, int base, int start, int end);
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void ProcessBBNotes(MidiNoteVector &nv, int cutPos);
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void error();
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} ;
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#endif
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