comparison base/NoteData.h @ 1615:24dc8cb42755 single-point

Rename a number of classes and methods (including Point -> Event); comments

+/* -*- 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 SV_NOTE_DATA_H
+#define SV_NOTE_DATA_H
+
+#include <vector>
+
+#include "Pitch.h"
+
+/**
+ * Note record used when constructing synthetic events for sonification.
+ */
+struct NoteData
+{
+    NoteData(sv_frame_t _start, sv_frame_t _dur, int _mp, int _vel) :
+        start(_start), duration(_dur), midiPitch(_mp), frequency(0),
+        isMidiPitchQuantized(true), velocity(_vel), channel(0) { };
+            
+    sv_frame_t start;       // audio sample frame
+    sv_frame_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
+    int channel;     // MIDI 0-15
+
+    float getFrequency() const {
+        if (isMidiPitchQuantized) {
+            return float(Pitch::getFrequencyForPitch(midiPitch));
+        } else {
+            return frequency;
+        }
+    }
+};
+
+typedef std::vector<NoteData> NoteList;
+
+class NoteExportable
+{
+public:
+    virtual NoteList getNotes() const = 0;
+    virtual NoteList getNotesWithin(sv_frame_t startFrame, sv_frame_t endFrame) const = 0;
+};
+
+#endif