Play Audio File Using Qt Mobility: Difference between revisions

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[[Category:HowTo]]<br />[[Category:snippets]]


'''English''' [[Play_Audio_File_Using_Qt_Mobility_Bulgarian|Български]]


= Play Audio File Using Qt Mobility =
[[Category:HowTo]]
[[Category:Snippets::Misc]]
 
{{LangSwitch}}


== Overview ==
== Overview ==


This article shows how to play audio file using &quot;QMediaPlayer&amp;quot;: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 13: Line 14:
Modify the project configuration .pro file by including Qt Mobility support:
Modify the project configuration .pro file by including Qt Mobility support:


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


== Source Code ==
== Source Code ==
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* .h  
* .h  


Include required headers:<br /><code><br />#include &lt;QMediaPlayer&amp;gt;<br /></code>
Include required headers:
<code>
#include <QMediaPlayer>
</code>


Declare slot and private members:<br /><code><br />private slots:<br /> void statusChanged(QMediaPlayer::MediaStatus status);
Declare slot and private members:
<code>
private slots:
void statusChanged(QMediaPlayer::MediaStatus status);


private:
private:


QMediaPlayer '''m_pPlayer;<br /></code>
QMediaPlayer '''m_pPlayer;
<br />''' .cpp
</code>
 
''' .cpp


Play a file located on the device:<br /><code><br />m_pPlayer = new QMediaPlayer(this);<br />connect(m_pPlayer, SIGNAL (positionChanged(qint64)), this, SLOT (statusChanged(qint64)));<br />//Select a file<br />m_pPlayer-&gt;setMedia(QUrl::fromLocalFile&amp;amp;#40;&quot;e:SoundsDigitalGirl_Rules.mp3&amp;quot;&amp;#41;);<br />//Set the volume<br />m_pPlayer-&gt;setVolume(50);<br />m_pPlayer-&gt;play();<br /></code>
Play a file located on the device:
<code>
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();
</code>


Implement the declared slot:<br /><code><br />void MainWindow::statusChanged(QMediaPlayer::MediaStatus status)<br />{<br /> if ( (QMediaPlayer::LoadedMedia == status) &amp;&amp; m_pPlayer)<br /> {<br /> m_pPlayer-&gt;play();<br /> }<br />}
Implement the declared slot:
<code>
void MainWindow::statusChanged(QMediaPlayer::MediaStatus status)
{
if ( (QMediaPlayer::LoadedMedia == status) && m_pPlayer)
{
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();
}

}

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