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Play Audio File Using Qt Mobility: Difference between revisions

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[[Category:HowTo]]
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'''English''' [[Play_Audio_File_Using_Qt_Mobility_Bulgarian|Български]]


= Play Audio File Using Qt Mobility =
{{LangSwitch}}


== Overview ==
== Overview ==


This article shows how to play audio file using "QMediaPlayer":http://doc.qt.nokia.com/qtmobility/qmediaplayer.html from Qt Mobility 1.1.
This article shows how to play audio file using [http://doc.qt.io/qt-5/qmediaplayer.html QMediaPlayer] from Qt Mobility 1.1.


== Project Configuration ==
== Project Configuration ==
Line 17: Line 15:


<code>
<code>
CONFIG ''= mobility
CONFIG += mobility
MOBILITY''= multimedia
MOBILITY+= multimedia
</code>
</code>


Line 57: Line 55:
void MainWindow::statusChanged(QMediaPlayer::MediaStatus status)
void MainWindow::statusChanged(QMediaPlayer::MediaStatus status)
{
{
  if ( (QMediaPlayer::LoadedMedia == status) &amp;&amp; m_pPlayer)
  if ( (QMediaPlayer::LoadedMedia == status) && m_pPlayer)
  {
  {
  m_pPlayer->play();
  m_pPlayer->play();
  }
  }
}
}

Latest revision as of 12:05, 28 November 2016


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Overview

This article shows how to play audio file using QMediaPlayer from Qt Mobility 1.1.

Project Configuration

Modify the project configuration .pro file by including Qt Mobility support:

CONFIG += mobility
MOBILITY+= multimedia

Source Code

  • .h

Include required headers:

#include <QMediaPlayer>

Declare slot and private members:

private slots:
 void statusChanged(QMediaPlayer::MediaStatus status);

private:

QMediaPlayer '''m_pPlayer;

.cpp

Play a file located on the device:

m_pPlayer = new QMediaPlayer(this);
connect(m_pPlayer, SIGNAL (positionChanged(qint64)), this, SLOT (statusChanged(qint64)));
//Select a file
m_pPlayer->setMedia(QUrl::fromLocalFile("e:SoundsDigitalGirl_Rules.mp3"));
//Set the volume
m_pPlayer->setVolume(50);
m_pPlayer->play();

Implement the declared slot: void MainWindow::statusChanged(QMediaPlayer::MediaStatus status) {

if ( (QMediaPlayer::LoadedMedia == status) && m_pPlayer)
{
m_pPlayer->play();
}

}