qtmobility/examples/streamplayer/streamplayer.cpp
changeset 4 90517678cc4f
parent 1 2b40d63a9c3d
child 5 453da2cfceef
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1:2b40d63a9c3d 4:90517678cc4f
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the Qt Mobility Components.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "streamplayer.h"
       
    43 
       
    44 #include <qmediaplayer.h>
       
    45 
       
    46 #include <QtGui>
       
    47 
       
    48 StreamPlayer::StreamPlayer(QWidget *parent)
       
    49     : QWidget(parent)
       
    50     , player(0)
       
    51     , progress(0)
       
    52 {
       
    53     player = new QMediaPlayer;
       
    54     connect(player, SIGNAL(metaDataChanged()), this, SLOT(metaDataChanged()));
       
    55     connect(player, SIGNAL(durationChanged(qint64)), this, SLOT(durationChanged(qint64)));
       
    56     connect(player, SIGNAL(positionChanged(qint64)), this, SLOT(positionChanged(qint64)));
       
    57 
       
    58     progress = new QProgressBar;
       
    59     progress->setRange(0, 0);
       
    60 
       
    61     QBoxLayout *layout = new QVBoxLayout;
       
    62     layout->addWidget(progress);
       
    63 
       
    64     setLayout(layout);
       
    65 }
       
    66 
       
    67 StreamPlayer::~StreamPlayer()
       
    68 {
       
    69     delete player;
       
    70 }
       
    71 
       
    72 void StreamPlayer::setFileName(const QString &fileName)
       
    73 {
       
    74     file.setFileName(fileName);
       
    75 
       
    76     if (file.open(QIODevice::ReadOnly)) {
       
    77         player->setMedia(QMediaContent(), &file);
       
    78     }
       
    79 }
       
    80 
       
    81 void StreamPlayer::play()
       
    82 {
       
    83     player->play();
       
    84 }
       
    85 
       
    86 void StreamPlayer::durationChanged(qint64 duration)
       
    87 {
       
    88     progress->setMaximum(duration / 1000);
       
    89 }
       
    90 
       
    91 void StreamPlayer::positionChanged(qint64 position)
       
    92 {
       
    93     progress->setValue(position / 1000);
       
    94 }
       
    95 
       
    96 void StreamPlayer::metaDataChanged()
       
    97 {
       
    98     setWindowTitle(player->metaData(QtMedia::Title).toString());
       
    99 }