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Network adaptive streaming with Hwangsaeul

February 08, 2021 by Jakub Adam  |   Blog

Hwangsaeul, or H8L, a remote surveillance streaming solution, utilizes the capability of libsrt to collect statistics from open SRT sockets and by continuously analyzing the available data tries to detect potential connectivity issues.

Network adaptive streaming with Hwangsaeul

Trimming apitrace workload captures for better Mesa testing

February 01, 2021 by Gert Wollny  |   Blog

Complex, real-world correctness tests and performance analysis are now possible thanks to gltrim, a new tool recently added to apitrace, designed to trim replayable traces to single, user-defined frames.

Trimming apitrace workload captures for better Mesa testing

GStreamer on Windows: adding WebRTC support to a gst-build install

January 28, 2021 by Aaron Boxer  |   Blog

Earlier this week, WebRTC became an official W3C and IETF standard. GStreamer has a powerful and rapidly maturing WebRTC implementation. So, the obvious question is: how do we build this on Windows?

GStreamer on Windows: adding WebRTC support to a gst-build install

Implementing a performance boosting algorithm in Coccinelle

January 21, 2021 by Jaskaran Singh  |   Blog

Last year, from June to September, I worked on the kernel development tool Coccinelle under Collabora. I implemented a performance boosting algorithm for one of Coccinelle's use cases. Here's a look at this work.

Implementing a performance boosting algorithm in Coccinelle

One weekend, two conferences

January 19, 2021 by Mark Filion  |   News & Events

Join us as our 2021 conference schedule gets underway this weekend with the virtual editions of linux.conf.au and MiniDebConf India! Collaborans will be giving talks on recent projects including futex2, and Open Source AI video analytics with Panfrost.

One weekend, two conferences

Desktop OpenGL 3.1 on Mali GPUs with Panfrost

January 13, 2021 by Alyssa Rosenzweig  |   Blog

The open source Panfrost driver for Arm Mali Midgard and Bifrost GPUs now provides non-conformant OpenGL ES 3.0 on Bifrost and desktop OpenGL 3.1 on Midgard (Mali T760 and newer) and Bifrost, in time for Mesa's first release of 2021.

Desktop OpenGL 3.1 on Mali GPUs with Panfrost

A Wayland driver for Wine

December 15, 2020 by Alexandros Frantzis  |   News & Events

After several months of work, we are excited to announce a first proposal for a Wayland driver for Wine. The proposal is in the form of an RFC, in order to explore how to best move forward with the upstreaming and further development of the driver.

A Wayland driver for Wine

Kernel 5.10: Rockchip, H.264, Bifrost & more!

December 14, 2020 by Ricardo Cañuelo Navarro  |   News & Events

Even amidst the chaos and uncertainty that 2020 brought, Linux Kernel development keeps moving forward at a constant and relentless pace. Collabora remains active, developing, maintaining, documenting and testing many parts of the kernel.

Kernel 5.10: Rockchip, H.264, Bifrost & more!

Empathy first: Driving growth through people leadership

November 30, 2020 by Eleni Katsoula  |   Blog

This year, the global pandemic has put a strain on us all. Motivation can become hard to maintain, worries can cloud our minds. Now more than ever, it is important to try and connect with our colleagues.

Empathy first: Driving growth through people leadership

Developing Wayland Color Management and High Dynamic Range

November 19, 2020 by Pekka Paalanen  |   Blog

Wayland is still lacking proper consideration for color management & support for high dynamic range (HDR) imagery. However, a group of developers has begun an effort to fix this situation. This is their story.

Developing Wayland Color Management and High Dynamic Range

Linux App Summit 2020

November 12, 2020 by Mark Filion  |   News & Events

Starting today, and running until Saturday, join us at Linux App Summit for a look at Linux graphics, PipeWire, our work with Valve, and a virtual office hour with our Engineering Manager!

Linux App Summit 2020

A summer sprint: bringing near-native performance to Zink

November 06, 2020 by Mike Blumenkrantz  |   Blog

This week marks two years since the OpenGL implementation on Vulkan was initially announced. Since then, and especially over the past few months, much has progressed with many new features being added and performance now close to native (95%!).

A summer sprint: bringing near-native performance to Zink

How to write a Vulkan driver in 2022

March 23, 2022 by Jason Ekstrand  |   Blog

An incredible amount has changed in Mesa and in the Vulkan ecosystems since we wrote the first Vulkan driver in Mesa for Intel hardware back in 2015. Not only has Vulkan grown, but Mesa has as well.

How to write a Vulkan driver in 2022

Improving the reliability of file system monitoring tools

March 14, 2022 by Gabriel Krisman Bertazi  |   Blog

Every file system used in production has tools to try to recover from system crashes. To provide a better infrastructure for those tools, our kernel team developed FAN_FS_ERROR, a new fanotify event which monitors error notifications.

Improving the reliability of file system monitoring tools

PipeWire: A year in review & a look ahead

March 08, 2022 by George Kiagiadakis  |   Blog

The PipeWire project made major strides over the past few years, bringing shiny new features, and paving the way for new possibilities in the Linux multimedia scene. A look what was accomplished in 2021, and what lies ahead for 2022.

PipeWire: A year in review & a look ahead

Landing a new syscall, part 1: What is futex?

February 08, 2022 by André Almeida  |   Blog

Over the past 18 months, we have been on a roller-coaster ride developing futex2, a new set of system calls. As part of this effort, the futex_waitv() syscall has now landed in Linux 5.16. But what exactly is futex?

Landing a new syscall, part 1: What is futex?

Writing an open source GPU driver - without the hardware

January 27, 2022 by Alyssa Rosenzweig  |   Blog

Until now, no Valhall devices (Mali-G57, Mali-G78) ran mainline Linux - whilst this made driver development obviously difficult, there’s no better time to write drivers than before the devices even get into the hands of end users.

Writing an open source GPU driver - without the hardware

A Pixel's Color & new documentation repository

January 25, 2022 by Pekka Paalanen  |   Blog

My work on Wayland and Weston color management and HDR support has been full of learning new concepts and terms. Many of them are crucial for understanding how color works, and what the values in a pixel actually mean.

A Pixel's Color & new documentation repository

Wine on Wayland year-end update: improved functionality & stability

December 22, 2021 by Alexandros Frantzis  |   Blog

It has been just over a year since we first announced our effort to implement a Wayland driver for Wine. Here's a recap of what has been done since then to improve both the functionality and stability of the driver.

Wine on Wayland year-end update: improved functionality & stability

Venus on QEMU: Enabling the new virtual Vulkan driver

November 26, 2021 by Antonio Caggiano  |   Blog

A step-by-step guide on how to enable 3D acceleration of Vulkan applications in QEMU through the new Venus experimental Vulkan driver for VirtIO-GPU with a local development environment.

Venus on QEMU: Enabling the new virtual Vulkan driver

Run your own CI pipeline with GStreamer's new monorepo

October 26, 2021 by Xavier Claessens  |   Blog

Maintaining a non-trivial set of GStreamer patches can be tricky. Thanks to the recent move to a single, unified git repo, you can now easily run a GStreamer continuous integration pipeline on your own GitLab instance. Here's how.

Run your own CI pipeline with GStreamer's new monorepo

Improving test coverage for cameras in KernelCI

October 08, 2021 by Nícolas F. R. A. Prado  |   Blog

Earlier this year, I joined Collabora as an intern to work on improving testing in libcamera and automating it through KernelCI. Having recently completed the internship, here's a look back at this experience and what was accomplished.

Improving test coverage for cameras in KernelCI

A tale of two toolchains and glibc

September 30, 2021 by Adrian Ratiu  |   Blog

With the LLVM toolchain seeing increasing development and adoption alongside the older, more established GNU toolchain, projects needing to support both, in particular the GNU C library (glibc), are facing challenges and questions.

A tale of two toolchains and glibc

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

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 events we'll be attending in the coming weeks – come say hello!

Ubuntu Summit

November 7-9, Prague, Czech Republic

Electronica

November 15-18, Munich, Germany

Capitole du Libre

November 19-20, Toulouse, France

NeurIPS

November 29 - December 1, New Orleans, USA

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