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News & Blog

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Tracing user space and OS interactions

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.

Tracing user space and OS interactions

Ubuntu rejoins the GNOME fold

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.

Ubuntu rejoins the GNOME fold

Release: libnice 0.1.14

April 03, 2017 by Mark Filion  |   News and Events

Today, Olivier Crête, libnice maintainer and Collabora Multimedia Lead, announced the availability of libnice 0.1.14, the latest release of the NAT traversal library implementing the RFC for Interactive Connectivity Establishment (ICE).

Release: libnice 0.1.14

Android: Enabling mainline graphics

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.

Android: Enabling mainline graphics

Linux block I/O tracing

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.

Linux block I/O tracing

GTK+ Hackfest 2017: D-Bus communication with containers

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.

GTK+ Hackfest 2017: D-Bus communication with containers

Collabora in Linux Format

March 22, 2017 by Mark Filion  |   News and Events

Check out the April issue (#222) of Linux Format magazine for our new monthly column on all things Open Source, including graphics, multimedia and more!

Collabora in Linux Format

Performance analysis in Linux

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.

Performance analysis in Linux

Kernel debugging with QEMU: An overview of tools available

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.

Kernel debugging with QEMU: An overview of tools available

Quick hack: Removing the Chromebook Write-Protect screw

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.

Quick hack: Removing the Chromebook Write-Protect screw

Two weeks, four events!

March 07, 2017 by Mark Filion  |   News and Events

Over the next two weeks, Collaborans will be present at four different events across the globe. If you plan on attending at any of these conferences, please reach out and say hello!

Two weeks, four events!

A flurry of open source graphics milestones

March 01, 2017 by Daniel Stone  |   Blog

The past few months have been busy ones on the open-source graphics front, bringing with them Wayland 1.13, Weston 2.0 and Mesa 17.0. Here's a look at some of these developments, including Collabora's behind-the-scenes work on performance improvement.

A flurry of open source graphics milestones

An xrdesktop summer of code

September 10, 2021 by Lubosz Sarnecki  |   Blog

This summer, Christoph Haag and I had the pleasure of taking part in Google Summer of Code as mentors for xrdesktop, the Open Source project bringing the Linux desktop to VR on Valve's SteamVR & Monado. Here's what was accomplished.

An xrdesktop summer of code

Adding VP9 and MPEG2 stateless support in v4l2codecs for GStreamer

June 23, 2021 by Daniel Almeida  |   Blog

Earlier this year, from January to April 2021, I worked on adding support for stateless decoders for GStreamer as part of a multimedia internship at Collabora. Here's a recap of this completed work.

Adding VP9 and MPEG2 stateless support in v4l2codecs for GStreamer

Bag of Freebies for XR Hand Tracking: Machine Learning & OpenXR

June 17, 2021 by Marcus Edel  |   Blog

In our previous post, we presented a project backed by INVEST-AI which introduces a multi-stage neural network-based solution. Now let's dive into the machine learning details of our innovative, open source hand-tracking pipeline.

Bag of Freebies for XR Hand Tracking: Machine Learning & OpenXR

Testing cameras with lc-compliance on KernelCI

June 15, 2021 by Nícolas F. R. A. Prado  |   Blog

Initiated as a joint effort by the Google Chrome OS team and Collabora, the recent KernelCI hackfest brought the addition of new tests including the ability to detect regressions on the Linux kernel that can directly affect cameras.

Testing cameras with lc-compliance on KernelCI

Zink: Summer 2021 update

June 14, 2021 by Erik Faye-Lund  |   Blog

There's a lot that has happened in the world of Zink since my last update, so let's see if I can bring you up to date on the most important stuff, including upstream development, support for OpenGL 4.6 & GLES 3.1, and more.

Zink: Summer 2021 update

Open Source OpenGL ES 3.1 on Mali GPUs with Panfrost

June 11, 2021 by Alyssa Rosenzweig  |   Blog

Panfrost, the open source driver for Arm Mali, now supports OpenGL ES 3.1 on both Midgard (Mali T760 and newer) and Bifrost (Mali G31, G52, G72) GPUs, adding a number of features, notably including compute shaders.

Open Source OpenGL ES 3.1 on Mali GPUs with Panfrost

Optimizing 3D performance with virglrenderer

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.

Optimizing 3D performance with virglrenderer

Mainline Linux gains accelerated video decoding for Microchip's SAMA5D4

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.

Mainline Linux gains accelerated video decoding for Microchip's SAMA5D4

Quick hack: Patching kernel modules using DKMS

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.

Quick hack: Patching kernel modules using DKMS

Build your own application with GTK 4 as a Meson subproject!

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.

Build your own application with GTK 4 as a Meson subproject!

Profiling virtualized GPU acceleration with Perfetto

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.

Profiling virtualized GPU acceleration with Perfetto

Continuous 3D Hand Pose Tracking using Machine Learning & Monado OpenXR

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.

Continuous 3D Hand Pose Tracking using Machine Learning & Monado OpenXR

FOSDEM 2020

January 23, 2020 by Mark Filion  |   News & Events

In less than 10 days, Collabora will be in Brussels to take part in this year's edition of FOSDEM! Come say hello, or catch one of the dozen talks (in the main track and 6 different devrooms) given by Collaborans!

FOSDEM 2020

Meet the newest Collaborans!

January 16, 2020 by Erica Ryoo  |   News & Events

What better way to start the new year than by highlighting the newest members of our engineering and administrative teams who joined in Q4 2019! Please join us in welcoming Antonio, Afonso, Narciso and Eleni!

Meet the newest Collaborans!

Linux Kernel 5.4

December 02, 2019 by Enric Balletbò i Serra  |   News & Events

Linus has released the 5.4 kernel and Collabora was once again a very active contributor with 12 Collaborans authoring 95 commits while also helping the kernel maintainers by contributing 124 Reviewed-by tags.

Linux Kernel 5.4

And the Collabora family keeps growing!

November 20, 2019 by Jassie Badion  |   News & Events

As we begin winding down 2019, it's time to take a moment to celebrate the new Collaborans who joined our various engineering and administrative teams in Q2 & Q3 this year!

And the Collabora family keeps growing!

GStreamer & automated testing in Lyon

October 30, 2019 by Mark Filion  |   News & Events

Following three days at ELCE, Collaborans are continuing their stay in the capital of France’s Auvergne-Rhône-Alpes region to take part the annual GStreamer Conference, as well as the Automated Testing Summit.

GStreamer & automated testing in Lyon

A new home for KernelCI

October 28, 2019 by Guillaume Tucker  |   News & Events

The KernelCI project, which powers kernelci.org with automated testing for the upstream Linux kernel, has found a new home after sailing through uncharted waters for over five years.

A new home for KernelCI

Embedded Linux Conference Europe 2019

October 25, 2019 by Mark Filion  |   News & Events

Next week, Collabora will be sponsoring, exhibiting & speaking at ELCE in Lyon, France. We'll be showcasing not one but two demos at our booth this year: arcade racing on a ROCK Pi 4 with Panfrost, and GStreamer on the Magic Leap One.

Embedded Linux Conference Europe 2019

Open graphics in Montreal

September 30, 2019 by Mark Filion  |   News & Events

Collabora is proud to be hosting in Montreal the 2019 edition of the X.Org Developer's Conference (XDC), the leading event for developers working on all things Open graphics, including the Linux kernel, Mesa, DRM, Wayland and X11.

Open graphics in Montreal

All the right ingredients in Paris

September 20, 2019 by Mark Filion  |   News & Events

Next week, Collaborans including Julian Bouzas and Enric Balletbò i Serra will be in Paris to participate in the 3rd edition of Embedded Recipes and 8th edition of Kernel Recipes

All the right ingredients in Paris

Linux Kernel 5.3

September 19, 2019 by Boris Brezillon  |   News & Events

Linux 5.3 was released over the weekend, which means it's time for our usual "where does Collabora stand in this picture?" tour. As has been the case for several years now, Collabora continues being an active contributor to the Linux kernel.

Linux Kernel 5.3

Open Source at IBC 2019

September 12, 2019 by Mark Filion  |   News & Events

Showcasing two brand new Open Source software demonstrations featuring the Xilinx high-performance Zynq UltraScale+ MPSoC, and the Magic Leap One augmented reality headset.

Open Source at IBC 2019

Bringing the FOSS XR community together

September 06, 2019 by Joey Ferwerda  |   News & Events

With the recent release of the OpenXR 1.0 specification, the presence of numerous Open Source platforms for Virtual Reality and Augmented Reality, and a growing community of developers, the need for a collaborative Open Source XR Conference became clear.

Bringing the FOSS XR community together

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Upcoming Events

Here are the online events we'll be attending in the coming weeks – join us!

Linaro Virtual Connect

8-10 September, Online

XDC 2021

15-17 September, Online

Linux Plumbers Conference

20-24 September, Online

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