May 17, 2021 by Gert Wollny | Blog
Collabora has been investing into Perfetto to enable driver authors & users to get deep insights into driver internals and GPU performance. Here's how we applied this work to study workloads on the virtualized VirGL implementation.
May 11, 2021 by Emil Velikov | Blog
The Hantro Video4Linux2 (V4L2) kernel module has gained support for another SoC! The Microchip SAMA5D4 features a single decode unit supporting MPEG2, VP8 and H.264 streams, alongside the built-in post-processing unit.
May 05, 2021 by Frederic Danis | Blog
DKMS is a framework that is mostly used to build and install external kernel modules. It can also be used to install a specific patch to the modules of the current kernel, such as applying a specific fix to the Bluetooth USB subsystem.
May 04, 2021 by Ariel D'Alessandro | News & Events
With their latest contributions all around the kernel, notably to the Video4Linux APIs and hardware enablement, Collaborans continue to expand on their efforts to close the gap between hardware support on vendor trees and mainline.
April 29, 2021 by Xavier Claessens | Blog
Building GTK 4 as a Meson subproject for your own application is not only useful for Windows builds, but also for many Linux distributions that do not yet package a recent enough version of GTK 4 and/or its dependencies.
April 22, 2021 by Antonio Caggiano | Blog
Recently, we have been using Perfetto to successfully profile Apitrace traces in crosvm through VirGL renderer. We have now added perfetto instrumentation to VirGL renderer, Mesa, and Apitrace to see what happens precisely in a frame.
April 20, 2021 by Marcus Edel | Blog
As part of a project backed by INVEST-AI, a program managed by IVADO Labs, we have developed a multi-stage neural network-based solution that accurately locates and tracks the hands despite complex background noise and occlusion between hands.
April 13, 2021 by Andrzej Pietrasiewicz | Blog
Did you know you could run a permissively-licensed MTP implementation with minimal dependencies on an embedded device? Here's a step-by-step guide on how to easily run cmtp-responder on a Rock Pi 4 or any other board equipped with a UDC.
March 25, 2021 by Boris Brezillon | News & Events
The Panfrost project started as a reverse engineering effort to understand Arm Mali Midgard and Bifrost GPU internals. With the driver getting more and more mature, the natural next step was to work on an Open Source Vulkan driver for those GPUs.
March 24, 2021 by Guillaume Desmottes | Blog
Earlier this year, the Rust compiler gained support for LLVM source-base code coverage. In this post we'll explain how to setup a CI job in a Rust project to feed source-base coverage information to GitLab.
March 22, 2021 by Mark Filion | News & Events
Join us this week at the Spring edition of Linaro Virtual Connect, as we discuss bringing stateless video decoding support to Linux, and take a look at where we are, and what's to come, for open drivers for Arm GPUs.
March 18, 2021 by Xavier Claessens | Blog
Over the past few months, I've been working on a side project to improve Meson sub-project support. The best stress test is to build projects on Windows, without msys2, because it has no dependencies or tools installed (e.g. pkg-config).
April 27, 2017 by Robert Foss | Blog
Getting Android up and running on the iMX6 platform using an open source graphics stack has been impossible up until recently, but now you can. Here's a guide through the steps.
April 25, 2017 by Olivier Crête | Blog
With GStreamer you can easily receive a AES67 stream, the standard which allows inter-operability between different IP based audio networking systems and transfers of live audio between profesionnal grade systems.
April 21, 2017 by Robert Foss | Blog
If you're looking to change the Android boot animation to something other than the stock one, here's a hands-on guide to help you to do it.
April 19, 2017 by Olivier Crête | Blog
With GStreamer 1.12's first release candidate out for testing and the final release expected soon, here's a brief preview of some of the (many) new features, bugfixes and improvements that will be arriving with this release.
April 10, 2017 by Gabriel Krisman Bertazi | Blog
Like the bug that no one can solve, many issues occur on the interface between the user application and the operating system. But even in the good Open Source world, understanding what is happening at these interfaces is not always easy.
April 05, 2017 by Daniel Stone | Blog
Today we all read the announcement of Ubuntu's decision to refocus on cloud and IoT activities, dropping Unity 8 to move back to a GNOME-based desktop for the 17.04 LTS.
March 29, 2017 by Robert Foss | Blog
Android uses the HWC API to communicate with graphics hardware. This API is not supported on the mainline Linux graphics stack, but by using drm_hwcomposer as a shim it now is.
March 28, 2017 by Gabriel Krisman Bertazi | Blog
Like starting a car with the hood open, sometimes you need to run your program with certain analysis tools attached to get a full sense of what is going wrong – or right.
March 24, 2017 by Simon McVittie | Blog
At the GTK hackfest in London (which accidentally became mostly a Flatpak hackfest) I've mainly been looking into how to make D-Bus work better for app container technologies like Flatpak and Snap.
March 21, 2017 by Gabriel Krisman Bertazi | Blog
Modern CPUs implement a number of technologies that may affect application performance in unpredictable ways. Figuring out what is going wrong with an application can be a hard task, but it can become much easier with the correct analysis tools.
March 13, 2017 by Frédéric Dalleau | Blog
Once you've setup a virtual machine in QEMU using debootstrap, there are a number of tools available for testing, tracing and debugging, such as Kmemleak for memory leaks, GDB (GNU Debugger), ftrace et dynamic_debug.
March 08, 2017 by Robert Foss | Blog
Before being able to write firmware data to any production Chromebook device, the Write-Protect screw has to be removed.
December 04, 2018 by Mark Filion | News & Events
This week, Collaborans will be taking part, and speaking, in this year's ESE Kongress, Germany's largest congress for professional embedded software engineering.
November 16, 2018 by Mark Filion | News & Events
After a great time in Vancouver, Collaborans are headed this weekend to southern France to attend and speak at the 2018 edition of Capitole du Libre, a weekend dedicated to free and Open Source software!
November 12, 2018 by Mark Filion | News & Events
Widely recognized as the premier event for developers working at all levels of the Linux kernel's plumbing layer and beyond, this year's edition of LPC is jam-packed with microconferences, a refereed track, a Kernel Summit track, multiple BoFs, and more.
November 07, 2018 by Mark Filion | News & Events
While our regular column (this time on Video4Linux, written by Ezequiel Garcia) is alive and well in this month's issue of LXF, there's also something else worth highlighting: a 6-page interview with none other than Collabora's Graphics lead, Daniel Stone!
October 25, 2018 by Mark Filion | News & Events
After three great days attending and catching up with the community at ELCE, Collaborans are continuing their stay in Edinburgh to take part in the GStreamer Conference & Hackfest, the Linux Media Summit and the Automated Testing Summit.
October 22, 2018 by Helen Koike | News & Events
As the curtains rose on opening day of Embedded Linux Conference Europe & Open Source Summit Europe in Edinburgh, the latest release of the Linux Kernel, 4.19, was made available by Greg Kroah-Hartman. Collaborans were once again very active.
October 18, 2018 by Mark Filion | News & Events
Next week, Collabora will be sponsoring, exhibiting & speaking at Embedded Linux Confererence Europe in Edinburgh, Scotland. Now in its 13th year, ELCE is the premier vendor-neutral technical conference for companies and developers using embedded Linux.
October 15, 2018 by Mark Filion | News & Events
This week, two Collaborans will be in Dresden, Germany to take part in the AGL All Member Meeting. George Kiagiadakis and Daniel Stone will be in attendance, with the former also giving a presentation on the latest happenings in upstream multimedia.
October 12, 2018 by Mark Filion | News & Events
We're headed to Heraklion, Greece, to meet with the Panhellenic FOSS community at FOSSCOMM, a conference for programmers, students and anyone else interested in the open source movement!
September 20, 2018 by Mark Filion | News & Events
Next week, Collaborans will be heading to Paris, A Coruña & Berlin, to sponsor and speak at four different conferences: Embedded Recipes, Kernel Recipes, All Systems Go and XDC 2018. See you there?
September 10, 2018 by Mark Filion | News & Events
From September 14 to 18, Collabora will be exhibiting at the IBC Show 2018, the "world's most influential media, entertainment and technology show"! If you are planning on attending, please make sure to stop by our booth, D-15 in Hall 14!
Here are the online events we'll be attending in the coming weeks – join us!
April 27 – May 3, Online
May 16-19, Santa Clara
May 30-31, Paris