Hello,
Since Ubuntu 16.04, my qt (qt5.7 official release/QWidget-based)
application cannot play a sound (no crash, but no sound). The very same
app works fine with Ubuntu 14.04. I get that kind of messages in the
console when trying to play a sound (.mp3 file) with QMultimedia:
Warning: "No decoder available for type 'audio/mpeg, mpegversion=(int)1,
mpegaudioversion=(int)1, layer=(int)3, rate=(int)44100, channels=(int)2,
parsed=(boolean)true'."
or (depending on the machine)
defaultServiceProvider::requestService(): no service found for -
"org.qt-project.qt.mediaplayer"
Even worst, I have a user running latest linux Manjaro 64bits who is
reporting a crash each time a sound is played (i.e. the app works fine
until it tries to play a sound). It crashes with this message:
symbol lookup error: (...)/mediaservice/libgstmediaplayer.so: undefined
symbol: gst_video_connector_get_type
He is also saying that the same app build is running fine on an older
Manjaro machine.
I ended up for the time being by removing all sounds on all linux
platforms, which is a bit sad as you can imagine.
I believe it's gstreamer related, but before I start digging, may be
someone has some clues about that?
Any help welcomed
Philippe Lelong
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