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Linux Mastering Development

Bluetooth keeps changing from A2dp to headset and loses connection on Debian Buster with JBL 4 Speaker

since over a year I am having trouble with the bluetooth connection to my JBL 4 speaker. It looses connection again and again. I created a script according to what I found on the internet to reconnect via keyboard short cut. Sometimes it is connected with it within a view seconds sometimes I had to […]

Categories
Linux Mastering Development

Bluetooth keeps changing from A2dp to headset and loses connection on Debian Buster with JBL 4 Speaker

since over a year I am having trouble with the bluetooth connection to my JBL 4 speaker. It looses connection again and again. I created a script according to what I found on the internet to reconnect via keyboard short cut. Sometimes it is connected with it within a view seconds sometimes I had to […]

Categories
Development

In akka streaming program w/ Source.queue & Sink.queue I offer 1000 items, but it just hangs when I try to get ’em out

I am trying to understand how i should be working with Source.queue & Sink.queue in Akka streaming. In the little test program that I wrote below I find that I am able to successfully offer 1000 items to the Source.queue. However, when i wait on the future that should give me the results of pulling […]

Categories
Development

Multiple 4K videos in a GStreamer / QML app = black flickering

I’m developping a QML application allowing to display up to four 4K videos, with a Decklink 8K Pro and the qmlglsink element. The hardware setup is the following: 4 4K cameras 1 DeckLink 8K Pro 1 Dell Precision with 2 Intel Xeon E5-2698 (40c/80t), 256GB of memory and an Nvidia GeForce GTX 1080 When displaying […]