TalOrg

TalOrg is the home of a freelance developer, working on various software and hardware projects.

We do also computer preservation work by collecting both old and new computers, consoles and any related hardware and software. Our current collection consists of over 300 computers and various expansion cards, modules, cables, floppies, etc.

Site news

A new version of Qt 5.15 series was released 04.01.2023 and the Qt 5.15 build tutorial has been updated to reflect the new release. The release is a patch release that does not introduce any new features. It includes bug fixes only, with 14 important bug fixes, many security fixes in qtwebengine and many other bug fixes in other modules. Sources for included 3rd party components has been updated, PCRE2 to 10.39. For in-depth details see the release notes.
The Qt 5.15 build tutorial has been updated to reflect the new release, 5,15.7. This release is the latest version in Qt 5.15 branch, 5.15.7, that was released in 28.10.2022. The release is a patch release that does not introduce any new features. It includes bug fixes only, with 12 important bug fixes, many security fixes in qtwebengine and many other bug fixes in other modules. Sources for included 3rd party components has been updated, SQLite to v3.36.0, libjpeg-turbo to version 2.1.1, libwebp to version 1.2.1 and PCRE2 to 10.38.
First of all, there does exist various community efforts for using the Elgato Stream Deck under Linux, the USB protocol has been reverse engineered and it is quite simple to get key presses. There are various userland libraries and some UI applications. They are mostly written in Python or some other obscure language like Go. Not acceptable!
The Qt 5.15.2 build guide has now been updated with details about building for the 64-bit variant of Raspberry Pi OS. There are some small differences, you must use the Mesa VC4 driver for EGLFS and build with the correct Qt platform build setting. Details are now explained in the updated build tutorial.
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Project updates

Work on the ATEM Video mixer applications has gotten up to speed, there is now initial support for other models than just the Mini. One of the major new features that is in progress is a SuperSource editor. See the screenshot below for a sneak peak.
We started a new project a while back, a ATEM switcher remote control application for Linux. It started first as just a proof of concept and is now slowly evolving to something actually usable. The basic switching operations are there, preview/program cut and streaming/recording control. At first we only had access to the ATEM switcher at work so development was a bit slow, but now we can locally work with a ATEM Mini Pro. We are already some nice extra ideas, for example tally information over MQTT or CAN bus, animated lower thirds with QtQuick, video/music/effect playback.
Quite often when there is some nice API for something, the obvious application type seem to be a mobile application or somekind of web site/app. That is all quite nice and all but sometimes you just need a simple tool. Probably most Linux (or unix) user spend most of their time in a terminal so why not make some tiny command line utilities instead ? My latest little project is all about the command line.
I'm in a need to test Blueooth LE beacon functionality on both desktop and tiny Linux systems (Raspberry Pi mostly). Looking around there where a lot of shell scripts or python scripts, that just run hcitool and hciconfig to do the actualy work. And none of them supports more that setting-and-forgetting, no support for any other frame types. So I started a little project to create a small beacon utility written in C that would support other frames types, switching the advertising data from time to time.
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Featured projects

A video production helper for use with mainly ATEM Mini switchers for keying information to the video feed and/or the talent. The information can be used for upstream keying as a chroma keying background or downstream keying as an overlay.

Network is not required in any way, no cloud or anything like that. Runs fully on your own system.

Open and built on Qt and QtQuick

The application is fully open source, GPLv3, built on Qt and QtQuick (5.15) so runs on pretty much anything, Linux (Desktop, Raspberry Pi, etc), Windows and macOS.

ATEM Mini Pro closeup
Blackmagic Design Video Switcher application for Linux based on Qt 6 and QtQuick.

Featured tutorials

Resolve edit screen

DaVinci Resolve is a professional-grade video editing and color grading software that offers a comprehensive set of tools and features for post-production work. One key aspect of DaVinci Resolve is its support for Linux as a platform, making it an attractive choice for Linux users and professionals working in Linux-based environments. There are some quirks with DaVinci Resolve under Linux and this guide will help you with those.

Raspberry Pi CPU closeup

Guide on how to build Qt 6.5 components for use on a Raspberry Pi running Raspberry Pi OS. The configuration and build differs from how Qt 5 was built as the build system is now using cmake and ninja, instead of the qmake and make combo.

Latest vintage software additions

Tällä levyllä on tietoja DOS-kirjoitinohjaimista ja -apuohjelmista. Jos käytät DOSin alaisia sovelluksia, haluat ehkä asentaa joitakin tai kaikki tällä levyllä olevat ohjelmat.
RealPlayer 4.01 for playing RealAudio or RealVideo format on 32-bit Windows environments.
PCI HomeVideo Install Disks for Windows 95 and Windows 3.1x - Version 2.31
Avance Logic ALS100/007 Sound System Software Installation and Setup Version:ALS10.A1.10
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