--- a/qtmobility/plugins/multimedia/pulseaudio/wavedecoder.cpp Fri Apr 16 15:51:22 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,137 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Qt Mobility Components.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, 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.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "wavedecoder.h"
-
-#include <QtCore/qtimer.h>
-#include <QtCore/qendian.h>
-#include <QDebug>
-
-WaveDecoder::WaveDecoder(QIODevice *s, QObject *parent):
- QIODevice(parent),
- haveFormat(false),
- dataSize(0),
- remaining(0),
- source(s)
-{
- open(QIODevice::ReadOnly | QIODevice::Unbuffered);
-
- if (source->bytesAvailable() >= sizeof(CombinedHeader))
- QTimer::singleShot(0, this, SLOT(handleData()));
- else
- connect(source, SIGNAL(readyRead()), SLOT(handleData()));
-}
-
-WaveDecoder::~WaveDecoder()
-{
-}
-
-QAudioFormat WaveDecoder::audioFormat() const
-{
- return format;
-}
-
-int WaveDecoder::duration() const
-{
- return size() * 1000 / (format.sampleSize() / 8) / format.channels() / format.frequency();
-}
-
-qint64 WaveDecoder::size() const
-{
- return haveFormat ? dataSize : 0;
-}
-
-bool WaveDecoder::isSequential() const
-{
- return source->isSequential();
-}
-
-qint64 WaveDecoder::bytesAvailable() const
-{
- return haveFormat ? source->bytesAvailable() : 0;
-}
-
-qint64 WaveDecoder::readData(char *data, qint64 maxlen)
-{
- return haveFormat ? source->read(data, maxlen) : 0;
-}
-
-qint64 WaveDecoder::writeData(const char *data, qint64 len)
-{
- Q_UNUSED(data);
- Q_UNUSED(len);
-
- return -1;
-}
-
-void WaveDecoder::handleData()
-{
- if (source->bytesAvailable() < sizeof(CombinedHeader))
- return;
-
- source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
- source->read((char*)&header, sizeof(CombinedHeader));
-
- if (qstrncmp(header.riff.descriptor.id, "RIFF", 4) != 0 ||
- qstrncmp(header.riff.type, "WAVE", 4) != 0 ||
- qstrncmp(header.wave.descriptor.id, "fmt ", 4) != 0 ||
- (header.wave.audioFormat != 0 && header.wave.audioFormat != 1) ||
- qstrncmp(header.data.descriptor.id, "data", 4) != 0) {
-
- emit invalidFormat();
- }
- else {
- int bps = qFromLittleEndian<quint16>(header.wave.bitsPerSample);
-
- format.setCodec("audio/pcm");
- format.setSampleType(bps == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt);
- format.setByteOrder(QAudioFormat::LittleEndian);
- format.setFrequency(qFromLittleEndian<quint32>(header.wave.sampleRate));
- format.setSampleSize(bps);
- format.setChannels(qFromLittleEndian<quint16>(header.wave.numChannels));
-
- dataSize = qFromLittleEndian<quint32>(header.data.descriptor.size);
-
- haveFormat = true;
- connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
- emit formatKnown();
- }
-}