X-Git-Url: http://git.johnwright.org/?p=fmit.git;a=blobdiff_plain;f=libs%2FMusic%2FScoreGenerator.cpp;fp=libs%2FMusic%2FScoreGenerator.cpp;h=2d4d95c2596002fc0890f0abd23b623fad217660;hp=0000000000000000000000000000000000000000;hb=49947d1cd4506f5574b3be62ee90e9f00227d9fd;hpb=82c9faab9421b3d87a0faa84a73f55aaccbbb689

diff --git a/libs/Music/ScoreGenerator.cpp b/libs/Music/ScoreGenerator.cpp
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+++ b/libs/Music/ScoreGenerator.cpp
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+// Copyright 2004 "Gilles Degottex"
+
+// This file is part of "Music"
+
+// "Music" is free software; you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+// 
+// "Music" is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+// 
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+
+#include "ScoreGenerator.h"
+
+#include <iostream>
+//#include <fstream>
+//#include <sstream>
+//#include <deque>
+using namespace std;
+
+#include <CppAddons/Math.h>
+//#include <CppAddons/String.h>
+//using namespace String;
+#include <CppAddons/Random.h>
+
+#include "Music.h"
+
+namespace Music
+{
+
+void GenerateScore(	vector<double>& buffer,			// the score's wav
+				vector< vector<int> >& score,	// the score
+				double lenght,					// lenght of the score in seconds	: R+*
+				int dataBySecond,				// number of data by second			: ~{11000, 22000, 44100}
+				double AFreq,					// frequency of A					: ~440.0
+				int minHT,						// minimum halftone					: Z		// TODO <0
+				int maxHT,						// maximum halftone					: Z
+				int nbNotes,					// number of notes in lenght		: N*
+				int nbVoice)					// number of voices					: N*
+{
+	static Random rdm;
+
+	int size = int(lenght*dataBySecond);
+	int nbHT = maxHT-minHT+1;
+	int note_size = size / nbNotes;
+	cout << "AFreq=" << AFreq << " dataBySecond=" << dataBySecond << endl;
+	cout << "nbNotes=" << nbNotes << " lenght=" << lenght << " minHT=" << minHT << " maxHT=" << maxHT << endl;
+	cout << "size=" << size << " nbHT=" << nbHT << " nbVoice=" << nbVoice << endl;
+
+	cout << "make score ... \t\t" << flush;
+//	int n=0;
+	for(int i=0; i<nbNotes; i++)
+	{
+		vector<int> hs(nbVoice);
+		for(size_t v=0; v<hs.size(); v++)
+			hs[v] = minHT+rdm.nextInt(maxHT-minHT+1);
+
+//		cout << "halftone selected=" << h << " freq=" << freq << endl;
+		for(int j=0; j<note_size; j++)
+		{
+			double buff = 0.0;
+			for(size_t v=0; v<hs.size(); v++)
+				buff += sin( ((2.0*Math::Pi)/dataBySecond)*h2f(hs[v], AFreq)*double(j) );
+
+//			int index = i*note_size+j;
+			// add data index and wav value
+	
+			buffer.push_back(buff);
+			// add score halftones (solution)
+			vector<int> score_at(nbHT);
+			for(int vh=0; vh<nbHT; vh++)
+			{
+				int ampl = 0;
+				for(size_t v=0; v<hs.size(); v++)
+					if(hs[v]==vh+minHT)
+						ampl++;
+				score_at[vh] = ampl;
+			}
+			score.push_back(score_at);
+//			n = undoable_out_percent(cout, 100.0f*index/size, n);
+		}
+	}
+//	undoable_out_clear(cout, n);
+	cout << "done   " << endl;
+}
+
+}
+