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diff --git a/examples/multimedia/audiodecoder/main.cpp b/examples/multimedia/audiodecoder/main.cpp
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--- a/examples/multimedia/audiodecoder/main.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of The Qt Company Ltd nor the names of its
-** contributors may be used to endorse or promote products derived
-** from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "audiodecoder.h"
-
-#include <QCoreApplication>
-#include <QDir>
-#include <QFileInfo>
-#include <QTextStream>
-
-#include <stdio.h>
-
-int main(int argc, char *argv[])
-{
- QCoreApplication app(argc, argv);
-
- QTextStream cout(stdout, QIODevice::WriteOnly);
- if (app.arguments().size() < 2) {
- cout << "Usage: audiodecoder [-p] [-pd] SOURCEFILE [TARGETFILE]\n";
- cout << "Set -p option if you want to play output file.\n";
- cout << "Set -pd option if you want to play output file and delete it after successful playback.\n";
- cout << "Default TARGETFILE name is \"out.wav\" in the same directory as the source file.\n";
- return 0;
- }
-
- bool isPlayback = false;
- bool isDelete = false;
-
- if (app.arguments().at(1) == "-p")
- isPlayback = true;
- else if (app.arguments().at(1) == "-pd") {
- isPlayback = true;
- isDelete = true;
- }
-
- QFileInfo sourceFile;
- QFileInfo targetFile;
-
- int sourceFileIndex = (isPlayback || isDelete) ? 2 : 1;
- if (app.arguments().size() <= sourceFileIndex) {
- cout << "Error: source filename is not specified.\n";
- return 0;
- }
- sourceFile.setFile(app.arguments().at(sourceFileIndex));
- if (app.arguments().size() > sourceFileIndex + 1)
- targetFile.setFile(app.arguments().at(sourceFileIndex + 1));
- else
- targetFile.setFile(sourceFile.dir().absoluteFilePath("out.wav"));
-
- AudioDecoder decoder(isPlayback, isDelete);
- QObject::connect(&decoder, &AudioDecoder::done,
- &app, &QCoreApplication::quit);
- decoder.setSourceFilename(sourceFile.absoluteFilePath());
- decoder.setTargetFilename(targetFile.absoluteFilePath());
- decoder.start();
-
- return app.exec();
-}