[Interest] QML Audio loops

Marc Van Daele marc.van.daele90 at gmail.com
Sat Apr 20 10:50:08 CEST 2019


Thanks for your reply!
Using two Audio items and overlapping the sounds works indeed fine (I had
to tweak the sound a bit at the beginning and the end).
This looks like a bug to me and I've created
https://bugreports.qt.io/browse/QTBUG-75314 for this

Marc

On Fri, 19 Apr 2019 at 21:30, Jason H <jhihn at gmx.com> wrote:

> I'm guessing, but the audio hardware is shutting down? As a cheap hack,
> since it is "white noise", (it's not technically white noise) can you
> overlap two with a time offset so the audio hardware never shuts down?
>
>
> *Sent:* Thursday, April 18, 2019 at 8:45 AM
> *From:* "Marc Van Daele" <marc.van.daele90 at gmail.com>
> *To:* interest at qt-project.org
> *Subject:* [Interest] QML Audio loops
> Hello,
>
> I have the following QML that plays an audio file in an infinite loop.
>
>
> import QtQuick 2.11
>
> import QtQuick.Window 2.11
>
> import QtMultimedia 5.8
>
>
>
> Window {
>
>     visible: true
>
>     width: 640
>
>     height: 480
>
>     title: qsTr("Hello World")
>
>
>
>     Audio {
>
>         id: noiseId
>
>         loops: Audio.Infinite
>
>         source: "qrc:/448213__florianreichelt__white-noise.wav"
>
>         onStatusChanged: console.log("status = " + status)
>
>         onError: console.log("error = " + error + " " + errorString)
>
>         onPlaybackStateChanged: console.log("playbackstate = " + playbackState)
>
>     }
>
>
>
>     Component.onCompleted: noiseId.play()
>
> }
>
>
>
> I used the noise file from here
> <https://freesound.org/people/florianreichelt/sounds/448213/>
> Unfortunately, after every loop, I hear a clear short hiccup.
> Any advice on how to avoid these hiccups?
>
> I'm using Qt5.11.2 on Ubuntu 16.04
>
> Thanks in advance,
>
> Marc
>
>
>
>
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