Ah, found this. https://codereview.qt-project.org/#/c/79918/ Unfortunately, I
am not familiar with what branch is associated to what version for Qt. This
says it has been merged into the stable branch. However, I assume that it has
not made it into 5.3.1 yet as the problem does persist — unless I am
incorrectly coding the below.
-Jason
On Sep 22, 2014, at 3:45 PM, interest-bounces+jason=gocodigo....@qt-project.org
wrote:
> Hello all,
>
> I am using the code below to instantiate two QMediaPlayer instances. I want
> the first one to play at a lower volume than the second. So, I set each
> volume accordingly, the first player to 1 and the second player to 95.
> However, they both end up playing at the same volume (95). If I remove the
> second player, the first player will play at a low level as it is supposed
> to. Adding the in the second block however adjusts both. The two qdebug
> statements at the end contradict what happens though as it shows that each
> volume is set appropriately, though if you listen it is obviously not the
> case. Is there a trick that I am missing? Thanks!
>
> Qt 5.3.1, Win 7, VS2010
>
>
> QMediaPlayer *player = new QMediaPlayer;
>
> player->setMedia(QUrl::fromLocalFile("C:/Users/jasonkretzer/Desktop/audio/whippedintoshape.mp3"));
> player->setVolume(1);
> player->play();
>
> qDebug() << "player volume: " << player->volume();
>
> QMediaPlayer *player2 = new QMediaPlayer;
>
> player2->setMedia(QUrl::fromLocalFile("C:/Users/jasonkretzer/Desktop/audio/1to20.m4a"));
> player2->setVolume(95);
> player2->play();
>
> qDebug() << "player volume: " << player->volume();
> qDebug() << "player2 volume: " << player2->volume();
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