centralize and fixup example sources install targets
This follows suit with aeb036e in qtbase. Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com> Reviewed-by: hjk <qthjk@ovi.com>
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Joerg Bornemann
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The Qt Project
The Qt Project
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188
examples/multimedia/audiodecoder/audiodecoder.cpp
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188
examples/multimedia/audiodecoder/audiodecoder.cpp
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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "audiodecoder.h"
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#include <stdio.h>
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AudioDecoder::AudioDecoder(bool isPlayback, bool isDelete)
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: m_cout(stdout, QIODevice::WriteOnly)
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{
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m_isPlayback = isPlayback;
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m_isDelete = isDelete;
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// Make sure the data we receive is in correct PCM format.
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// Our wav file writer only supports SignedInt sample type.
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QAudioFormat format;
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format.setChannelCount(2);
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format.setSampleSize(16);
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format.setSampleRate(48000);
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format.setCodec("audio/pcm");
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format.setSampleType(QAudioFormat::SignedInt);
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m_decoder.setAudioFormat(format);
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connect(&m_decoder, SIGNAL(bufferReady()), this, SLOT(bufferReady()));
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connect(&m_decoder, SIGNAL(error(QAudioDecoder::Error)), this, SLOT(error(QAudioDecoder::Error)));
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connect(&m_decoder, SIGNAL(stateChanged(QAudioDecoder::State)), this, SLOT(stateChanged(QAudioDecoder::State)));
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connect(&m_decoder, SIGNAL(finished()), this, SLOT(finished()));
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connect(&m_decoder, SIGNAL(positionChanged(qint64)), this, SLOT(updateProgress()));
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connect(&m_decoder, SIGNAL(durationChanged(qint64)), this, SLOT(updateProgress()));
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connect(&m_soundEffect, SIGNAL(statusChanged()), this, SLOT(playbackStatusChanged()));
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connect(&m_soundEffect, SIGNAL(playingChanged()), this, SLOT(playingChanged()));
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m_progress = -1.0;
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}
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void AudioDecoder::setSourceFilename(const QString &fileName)
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{
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m_decoder.setSourceFilename(fileName);
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}
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void AudioDecoder::start()
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{
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m_decoder.start();
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}
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void AudioDecoder::stop()
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{
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m_decoder.stop();
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}
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void AudioDecoder::setTargetFilename(const QString &fileName)
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{
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m_targetFilename = fileName;
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}
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void AudioDecoder::bufferReady()
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{
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// read a buffer from audio decoder
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QAudioBuffer buffer = m_decoder.read();
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if (!buffer.isValid())
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return;
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if (!m_fileWriter.isOpen() && !m_fileWriter.open(m_targetFilename, buffer.format())) {
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m_decoder.stop();
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return;
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}
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m_fileWriter.write(buffer);
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}
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void AudioDecoder::error(QAudioDecoder::Error error)
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{
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switch (error) {
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case QAudioDecoder::NoError:
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return;
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case QAudioDecoder::ResourceError:
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m_cout << "Resource error" << endl;
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break;
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case QAudioDecoder::FormatError:
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m_cout << "Format error" << endl;
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break;
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case QAudioDecoder::AccessDeniedError:
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m_cout << "Access denied error" << endl;
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break;
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case QAudioDecoder::ServiceMissingError:
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m_cout << "Service missing error" << endl;
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break;
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}
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emit done();
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}
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void AudioDecoder::stateChanged(QAudioDecoder::State newState)
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{
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switch (newState) {
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case QAudioDecoder::DecodingState:
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m_cout << "Decoding..." << endl;
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break;
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case QAudioDecoder::StoppedState:
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m_cout << "Decoding stopped" << endl;
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break;
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}
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}
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void AudioDecoder::finished()
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{
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if (!m_fileWriter.close())
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m_cout << "Failed to finilize output file" << endl;
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m_cout << "Decoding finished" << endl;
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if (m_isPlayback) {
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m_cout << "Starting playback" << endl;
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m_soundEffect.setSource(QUrl::fromLocalFile(m_targetFilename));
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m_soundEffect.play();
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} else {
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emit done();
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}
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}
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void AudioDecoder::playbackStatusChanged()
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{
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if (m_soundEffect.status() == QSoundEffect::Error) {
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m_cout << "Playback error" << endl;
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emit done();
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}
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}
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void AudioDecoder::playingChanged()
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{
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if (!m_soundEffect.isPlaying()) {
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m_cout << "Playback finished" << endl;
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if (m_isDelete)
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QFile::remove(m_targetFilename);
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emit done();
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}
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}
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void AudioDecoder::updateProgress()
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{
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qint64 position = m_decoder.position();
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qint64 duration = m_decoder.duration();
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qreal progress = m_progress;
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if (position >= 0 && duration > 0)
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progress = position / (qreal)duration;
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if (progress > m_progress + 0.1) {
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m_cout << "Decoding progress: " << (int)(progress * 100.0) << "%" << endl;
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m_progress = progress;
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}
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}
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