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Diffstat (limited to 'tests/auto/unit/qmultimedia_common/mockaudiodecodercontrol.h')
| -rw-r--r-- | tests/auto/unit/qmultimedia_common/mockaudiodecodercontrol.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/tests/auto/unit/qmultimedia_common/mockaudiodecodercontrol.h b/tests/auto/unit/qmultimedia_common/mockaudiodecodercontrol.h new file mode 100644 index 000000000..938da31c0 --- /dev/null +++ b/tests/auto/unit/qmultimedia_common/mockaudiodecodercontrol.h @@ -0,0 +1,204 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef MOCKAUDIODECODERCONTROL_H +#define MOCKAUDIODECODERCONTROL_H + +#include "qmediacontrol.h" +#include <private/qaudiodecodercontrol_p.h> + +#include <QtCore/qpair.h> + +#include "qaudiobuffer.h" +#include <QTimer> +#include <QIODevice> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Multimedia) + +class MockAudioDecoderControl : public QAudioDecoderControl +{ + Q_OBJECT + +public: + MockAudioDecoderControl(QObject *parent = 0) + : QAudioDecoderControl(parent) + , mState(QAudioDecoder::StoppedState) + , mDevice(0) + , mSerial(0) + { + mFormat.setChannels(1); + mFormat.setSampleSize(8); + mFormat.setFrequency(1000); + mFormat.setCodec("audio/x-raw"); + mFormat.setSampleType(QAudioFormat::UnSignedInt); + } + + QAudioDecoder::State state() const + { + return mState; + } + + QString sourceFilename() const + { + return mSource; + } + + QAudioFormat audioFormat() const + { + return mFormat; + } + + void setAudioFormat(const QAudioFormat &format) + { + if (mFormat != format) { + mFormat = format; + emit formatChanged(mFormat); + } + } + + void setSourceFilename(const QString &fileName) + { + mSource = fileName; + mDevice = 0; + stop(); + } + + QIODevice* sourceDevice() const + { + return mDevice; + } + + void setSourceDevice(QIODevice *device) + { + mDevice = device; + mSource.clear(); + stop(); + } + + // When decoding we decode to first buffer, then second buffer + // we then stop until the first is read again and so on, for + // 5 buffers + void start() + { + if (mState == QAudioDecoder::StoppedState) { + if (!mSource.isEmpty()) { + mState = QAudioDecoder::DecodingState; + emit stateChanged(mState); + + QTimer::singleShot(50, this, SLOT(pretendDecode())); + } else { + emit error(QAudioDecoder::ResourceError, "No source set"); + } + } + } + + void stop() + { + if (mState != QAudioDecoder::StoppedState) { + mState = QAudioDecoder::StoppedState; + mSerial = 0; + mBuffers.clear(); + emit stateChanged(mState); + emit bufferAvailableChanged(false); + } + } + + QAudioBuffer read(bool *ok) + { + if (mBuffers.length() > 0) { + if (ok) + *ok = true; + QAudioBuffer a = mBuffers.takeFirst(); + if (mBuffers.length() == 0) + emit bufferAvailableChanged(false); + QTimer::singleShot(50, this, SLOT(pretendDecode())); + return a; + } else { + // Can't do anything here :( + if (ok) + *ok = false; + return QAudioBuffer(); + } + } + + bool bufferAvailable() const + { + return mBuffers.length() > 0; + } + +private slots: + void pretendDecode() + { + // We just keep the length of mBuffers to 3 or less. + if (mBuffers.length() < 3) { + QByteArray b(sizeof(mSerial), 0); + memcpy(b.data(), &mSerial, sizeof(mSerial)); + mSerial++; + mBuffers.push_back(QAudioBuffer(b, mFormat)); + emit bufferReady(); + if (mBuffers.count() == 1) + emit bufferAvailableChanged(true); + } else { + // Can't do anything here, wait for a read to restart the timer + mState = QAudioDecoder::WaitingState; + emit stateChanged(mState); + } + } + +public: + QAudioDecoder::State mState; + QString mSource; + QIODevice *mDevice; + QAudioFormat mFormat; + + int mSerial; + QList<QAudioBuffer> mBuffers; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QAUDIODECODERCONTROL_H |