[PyQt] QML QtMultimedia Bug(?) on Ubuntu

[Phil Thompson]

On 4 Oct 2016, at 1:49 pm, Robert Kent <rob at gulon.co.uk> wrote:
> 
> Hi Phil,
>  
> A colleague of mine is trying to use the QtQuick Multimedia module (import QtMultimedia 5.6) on Ubuntu having installed PyQt5 via pip. The application fails on this import complaining that libQt5MultimediaQuick_p.so cannot be found and, sure enough, it doesn’t seem to be there. We’ve tried upgrading via ‘pip install –U pyqt5’ with no change/improvement. Any suggestions? The basic example is as follows:
>  
> import QtQuick 2.6
> import QtMultimedia 5.6
>  
> Item {
>     width: 640
>     height: 360
>  
>     Camera {
>         id: camera
>  
>         imageProcessing.whiteBalanceMode: CameraImageProcessing.WhiteBalanceFlash
>  
>         exposure {         
>             exposureCompensation: -1.0
>             exposureMode: Camera.ExposurePortrait
>         }
>  
>         flash.mode: Camera.FlashRedEyeReduction
>  
>         imageCapture {
>             onImageCaptured: {
>                 photoPreview.source = preview  // Show the preview in an Image
>             }
>         }
>     }
>  
>     VideoOutput {
>         source: camera
>         anchors.fill: parent
>         focus : visible // to receive focus and capture key events when visible
>     }
>  
>     Image {
>         id: photoPreview
>     }
> }

You'll need to copy the missing files from a Qt installation.

Phil