Mercurial > hg > svcore
diff data/model/NoteData.h @ 874:862fe7b20df7 tony_integration
Merge from tonioni branch
author | Chris Cannam |
---|---|
date | Tue, 28 Jan 2014 15:01:54 +0000 |
parents | 9196cff56abe |
children | 59e7fe1b1003 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/data/model/NoteData.h Tue Jan 28 15:01:54 2014 +0000 @@ -0,0 +1,53 @@ +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ + +/* + Sonic Visualiser + An audio file viewer and annotation editor. + Centre for Digital Music, Queen Mary, University of London. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. See the file + COPYING included with this distribution for more information. +*/ + +#ifndef NOTE_DATA_H +#define NOTE_DATA_H + +#include <vector> + +#include "base/Pitch.h" + +struct NoteData +{ + NoteData(size_t _start, size_t _dur, int _mp, int _vel) : + start(_start), duration(_dur), midiPitch(_mp), frequency(0), + isMidiPitchQuantized(true), velocity(_vel) { }; + + size_t start; // audio sample frame + size_t duration; // in audio sample frames + int midiPitch; // 0-127 + float frequency; // Hz, to be used if isMidiPitchQuantized false + bool isMidiPitchQuantized; + int velocity; // MIDI-style 0-127 + + float getFrequency() const { + if (isMidiPitchQuantized) { + return Pitch::getFrequencyForPitch(midiPitch); + } else { + return frequency; + } + } +}; + +typedef std::vector<NoteData> NoteList; + +class NoteExportable +{ +public: + virtual NoteList getNotes() const = 0; + virtual NoteList getNotes(size_t startFrame, size_t endFrame) const = 0; +}; + +#endif