Added editor for automated chopping up of audiofiles into samples.

1 files changed, 145 insertions, 0 deletions

diff --git a/dgedit/mainwindow.cc b/dgedit/mainwindow.cc
new file mode 100644
index 0000000..db442e6
--- /dev/null
+++ b/dgedit/mainwindow.cc
@@ -0,0 +1,145 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            mainwindow.cc
+ *
+ *  Tue Nov 10 10:21:04 CET 2009
+ *  Copyright 2009 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo 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.
+ *
+ *  DrumGizmo 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "mainwindow.h"
+
+#include <QHBoxLayout>
+#include <QVBoxLayout>
+
+#include <QPushButton>
+
+#define MAXVAL 10000000L
+#define SINGLESTEP MAXVAL/100000
+#define PAGESTEP MAXVAL/10000
+
+MainWindow::MainWindow()
+{
+  QHBoxLayout *lh = new QHBoxLayout();
+  QVBoxLayout *lv = new QVBoxLayout();
+  setLayout(lv);
+
+  extractor = new AudioExtractor(this);
+  canvas = new Canvas(this);
+  lh->addWidget(canvas);
+
+  yoffset = new QScrollBar(Qt::Vertical);
+  yoffset->setRange(0, MAXVAL);
+  yoffset->setPageStep(PAGESTEP);
+  yoffset->setSingleStep(SINGLESTEP);
+  connect(yoffset, SIGNAL(valueChanged(int)), this, SLOT(setYOffset(int)));
+
+  yscale = new QScrollBar(Qt::Vertical);
+  yscale->setRange(0, MAXVAL);
+  yscale->setPageStep(PAGESTEP);
+  yscale->setSingleStep(SINGLESTEP);
+  connect(yscale, SIGNAL(valueChanged(int)), this, SLOT(setYScale(int)));
+
+  xscale = new QScrollBar(Qt::Horizontal);
+  xscale->setRange(0, MAXVAL);
+  xscale->setPageStep(PAGESTEP);
+  xscale->setSingleStep(SINGLESTEP);
+  connect(xscale, SIGNAL(valueChanged(int)), this, SLOT(setXScale(int)));
+
+  xoffset = new QScrollBar(Qt::Horizontal);
+  xoffset->setRange(0, MAXVAL);
+  xoffset->setPageStep(PAGESTEP);
+  xoffset->setSingleStep(SINGLESTEP);
+  connect(xoffset, SIGNAL(valueChanged(int)), this, SLOT(setXOffset(int)));
+
+  QPushButton *autosel = new QPushButton();
+  autosel->setText("Auto");
+  connect(autosel, SIGNAL(clicked()), canvas, SLOT(clearSelections()));
+  connect(autosel, SIGNAL(clicked()), canvas, SLOT(autoCreateSelections()));
+
+  QPushButton *clearsel = new QPushButton();
+  clearsel->setText("Clear");
+  connect(clearsel, SIGNAL(clicked()), canvas, SLOT(clearSelections()));
+
+  QPushButton *exportsel = new QPushButton();
+  exportsel->setText("Export");
+  connect(exportsel, SIGNAL(clicked()), this, SLOT(doExport()));
+
+  lh->addWidget(yscale);
+  lh->addWidget(yoffset);
+  lv->addLayout(lh);
+  lv->addWidget(xscale);
+  lv->addWidget(xoffset);
+  lv->addWidget(autosel);
+  lv->addWidget(clearsel);
+  lv->addWidget(exportsel);
+
+  extractor->setExportPath("/home/deva/tmp/drumgizmoexport");
+  extractor->setOutputPrefix("china");
+  extractor->addFile("/home/deva/aasimonster/tmp/china/Amb L-20.wav", "amb-l");
+  extractor->addFile("/home/deva/aasimonster/tmp/china/Amb R-20.wav", "amb-r");
+  extractor->addFile("/home/deva/aasimonster/tmp/china/OH L-20.wav", "oh-l");
+  extractor->addFile("/home/deva/aasimonster/tmp/china/OH R-20.wav", "oh-r");
+
+  canvas->load("/home/deva/aasimonster/tmp/china/OH L-20.wav");
+
+  yscale->setValue(MAXVAL);
+  yoffset->setValue(MAXVAL/2);
+  xscale->setValue(0);
+  xoffset->setValue(0);
+
+  resize(800, 600);
+}
+
+void MainWindow::setXScale(int sz)
+{
+  // range 0.0 - 1.0
+  float val = (float)(sz * -1 + MAXVAL)/(float)MAXVAL;
+  canvas->setXScale(val);
+  if(val < 0.001) val = 0.001;
+  xoffset->setPageStep(PAGESTEP * 10 * val);
+  xoffset->setSingleStep(SINGLESTEP * 10 * val);
+}
+
+void MainWindow::setYScale(int sz)
+{
+  // range 0.0 - 1.0
+  float val = (float)(sz * -1 + MAXVAL)/(float)MAXVAL;
+  canvas->setYScale(val);
+}
+
+void MainWindow::setXOffset(int of)
+{
+  // range 0.0 - 1.0
+  float val = (float)of/(float)MAXVAL;
+  canvas->setXOffset(val);
+}
+
+void MainWindow::setYOffset(int of)
+{
+  // range 0.0 - 1.0
+  float val = (float)(of * -1 + MAXVAL)/(float)MAXVAL;
+  canvas->setYOffset(val);
+}
+
+void MainWindow::doExport()
+{
+  extractor->exportSelections(canvas->selections());
+}