165 lines
4.6 KiB
C++
165 lines
4.6 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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// $Id: bb.h 4823 2011-09-28 16:38:17Z wschweer $
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//
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// Copyright (C) 2009-2011 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#ifndef __BB_H__
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#define __BB_H__
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#include "midi/midifile.h"
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namespace Ms {
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const int MAX_BARS = 255;
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class BBFile;
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struct MNote;
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class Score;
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//---------------------------------------------------------
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// BBTrack
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//---------------------------------------------------------
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class BBTrack {
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BBFile* bb;
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EventList _events;
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int _outChannel;
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bool _drumTrack;
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void quantize(int startTick, int endTick, EventList* dst);
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public:
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BBTrack(BBFile*);
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~BBTrack();
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bool empty() const;
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const EventList events() const { return _events; }
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EventList& events() { return _events; }
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int outChannel() const { return _outChannel; }
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void setOutChannel(int n) { _outChannel = n; }
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void insert(const Event& e) { _events.insert(e); }
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void append(const Event& e) { _events.append(e); }
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void findChords();
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int separateVoices(int);
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void cleanup();
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friend class BBFile;
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};
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//---------------------------------------------------------
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// BBChord
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//---------------------------------------------------------
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struct BBChord {
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int beat;
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unsigned char bass;
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unsigned char root;
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unsigned char extension;
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BBChord() {
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beat = 0;
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bass = 0;
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root = 0;
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extension = 0;
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}
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};
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//---------------------------------------------------------
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// BBStyle
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//---------------------------------------------------------
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struct BBStyle {
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int timesigZ, timesigN;
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};
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//---------------------------------------------------------
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// BBStyle
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//---------------------------------------------------------
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static const BBStyle styles[] = {
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{ 4, 4 }, // Jazz Swing
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{ 12, 8 }, // Country 12/8
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{ 4, 4 }, // Country 4/4
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{ 4, 4 }, // Bossa Nova
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{ 4, 4 }, // Ethnic
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{ 4, 4 }, // Blues Shuffle
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{ 4, 4 }, // Blues Straight
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{ 3, 4 }, // Waltz
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{ 4, 4 }, // Pop Ballad
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{ 4, 4 }, // should be Rock Shuffle
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{ 4, 4 }, // lite Rock
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{ 4, 4 }, // medium Rock
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{ 4, 4 }, // Heavy Rock
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{ 4, 4 }, // Miami Rock
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{ 4, 4 }, // Milly Pop
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{ 4, 4 }, // Funk
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{ 3, 4 }, // Jazz Waltz
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{ 4, 4 }, // Rhumba
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{ 4, 4 }, // Cha Cha
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{ 4, 4 }, // Bouncy
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{ 4, 4 }, // Irish
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{ 12, 8 }, // Pop Ballad 12/8
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{ 12, 8 }, // Country12/8 old
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{ 4, 4 }, // Reggae
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};
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//---------------------------------------------------------
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// BBFile
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//---------------------------------------------------------
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class BBFile {
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QString _path;
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unsigned char _version;
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char* _title;
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int _style, _key, _bpm;
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unsigned char _barType[MAX_BARS];
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QList<BBChord> _chords;
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int _startChorus;
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int _endChorus;
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int _repeats;
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#if 0 // yet(?) unused
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int _flags;
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#endif
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char* _styleName;
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QList<BBTrack*> _tracks;
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int _measures;
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TimeSigMap _siglist;
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QByteArray ba;
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const unsigned char* a;
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int size;
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int bbDivision;
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int timesigZ() { return styles[_style].timesigZ; }
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int timesigN() { return styles[_style].timesigN; }
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int processPendingNotes(Score*, QList<MNote*>* notes, int, int);
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public:
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BBFile();
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~BBFile();
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bool read(const QString&);
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QList<BBTrack*>* tracks() { return &_tracks; }
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int measures() const { return _measures; }
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const char* title() const { return _title; }
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TimeSigMap siglist() const { return _siglist; }
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QList<BBChord> chords() { return _chords; }
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int startChorus() const { return _startChorus; }
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int endChorus() const { return _endChorus; }
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int repeats() const { return _repeats; }
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int key() const { return _key; }
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void convertTrack(Score* score, BBTrack* track, int staffIdx);
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};
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} // namespace Ms
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#endif
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