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ESE Kongress

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.

ESE Kongress

Convincing your manager that upstreaming is in their best interest

November 28, 2018 by Martyn Welch  |   Blog

In an ideal world, everyone would implicitly understand that it just makes good business sense to upstream some of the modifications made when creating your Linux powered devices. Unfortunately, this is a long way from being common knowledge.

Convincing your manager that upstreaming is in their best interest

Metrics for test suite comprehensiveness

November 23, 2018 by Alexandros Frantzis  |   Blog

How can we measure the comprehensiveness of a test suite? Code coverage is the standard metric used in the industry and makes intuitive sense. However, it can often present some difficulties for large scale surveys.

Metrics for test suite comprehensiveness

Gaining eBPF vision: A new way to trace Linux filesystem disk requests

November 21, 2018 by Gabriel Krisman Bertazi  |   Blog

A real-world use case of eBPF tracing to understand file access patterns in the Linux kernel and optimize large applications.

Gaining eBPF vision: A new way to trace Linux filesystem disk requests

FOSS in Toulouse

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!

FOSS in Toulouse

Linux Plumbers in Vancouver

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.

Linux Plumbers in Vancouver

Daniel Stone featured in Linux Format!

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!

Daniel Stone featured in Linux Format!

Quick hack: Speed up your GitLab CI

November 06, 2018 by Xavier Claessens  |   Blog

Did you know you could register your own PC, or a spare laptop collecting dust in a drawer, to get instant CI going on GitLab? Not only will you get faster CI, but you'll also reduce the queue on the shared runner for others!

Quick hack: Speed up your GitLab CI

Introducing Zink, an OpenGL implementation on top of Vulkan

October 31, 2018 by Erik Faye-Lund  |   Blog

For the last month or so, I've been playing with a new project during my work at Collabora, and as I've already briefly talked about at XDC 2018, it's about time to talk about it to a wider audience.

Introducing Zink, an OpenGL implementation on top of Vulkan

Edinburgh, continued!

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.

Edinburgh, continued!

Linux Kernel 4.19

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.

Linux Kernel 4.19

On the low adoption of automated testing in FOSS

October 18, 2018 by Alexandros Frantzis  |   Blog

For projects of any value and significance, having a comprehensive automated test suite is nowadays considered a standard software engineering practice. Why, then, don't we see more prominent FOSS projects employing this practice?

On the low adoption of automated testing in FOSS

High bitrate video streaming with GStreamer's RTP elements

August 20, 2020 by Antonio Ospite  |   Blog

Key performance improvements and fixes to GStreamer's RTP stack have landed in GStreamer 1.18, due in the coming months. The latest enhancements provide an important boost in throughput, opening the gate to high bitrate video streaming.

High bitrate video streaming with GStreamer's RTP elements

Understanding computer vision & AI, part 1

August 13, 2020 by Marcus Edel  |   Blog

Following our recent presentation at OSSummit, many showed interest in learning more about solving real-world problems with computer vision. Here is a new blog series, on computer vision, object detection, and building a system on the edge.

Understanding computer vision & AI, part 1

Testing Weston DRM/KMS backends with virtme and VKMS

August 07, 2020 by Leandro Ribeiro  |   Blog

Recent work in Weston, the industry-standard Wayland compositor, has enabled DRM/KMS backends to be tested in the absence of real hardware, enabling more battle testing of corner-case and error conditions within automated testing frameworks.

Testing Weston DRM/KMS backends with virtme and VKMS

An introduction to Linux kernel initcalls

July 14, 2020 by Mylène Josserand  |   Blog

Initcalls, which serve to call functions during boot, were implemented early on in the development of the Linux Kernel. Read on as we take a closer look, including their purpose, their usage, ways to debug them (using initcall_debug or FTrace), and more.

An introduction to Linux kernel initcalls

Deep dive into OpenGL over DirectX layering

July 09, 2020 by Louis-Francis Ratté-Boulianne  |   Blog

Earlier this year, we announced a new project with Microsoft: the implementation of OpenCL & OpenGL to DirectX translation layers. Here's the latest on this work, including the steps taken to improve the performance of the OpenGL-On-D3D12 driver.

Deep dive into OpenGL over DirectX layering

Using syzkaller, part 4: Driver fuzzing

June 26, 2020 by Ricardo Cañuelo Navarro  |   Blog

Syzkaller is much needed tool for Linux kernel testing and debugging. With some work, it can also be enhanced to find bugs in specific drivers, such as V4L2. Here's how.

Using syzkaller, part 4: Driver fuzzing

Cross building Rust GStreamer plugins for the Raspberry Pi

June 23, 2020 by Guillaume Desmottes  |   Blog

Previously, we discussed about how Rust can be a great language for embedded programming. In this article, we'll explain an easy setup to cross build Rust code depending on system libraries, a common requirement when working on embedded systems.

Cross building Rust GStreamer plugins for the Raspberry Pi

Generating MPEG-DASH streams for Open Source adaptive streaming with GStreamer

June 12, 2020 by Stéphane Cerveau  |   Blog

Adaptive streaming is a technique to provide flexibility and scalability by offering variable bit-rate streams to the client. Here's a quick guide on how to generate a MPEG-DASH stream (the most completely adaptive streaming technique) using GStreamer.

Generating MPEG-DASH streams for Open Source adaptive streaming with GStreamer

Bifrost meets GNOME: Onward & upward to zero graphics blobs

June 05, 2020 by Alyssa Rosenzweig  |   Blog

With only free software, a Mali G31 chip can now run Wayland compositors with zero-copy graphics, including GNOME 3. We can run every scene in glmark2-es2, 3D games like Neverball can be played, and video players mpv and Kodi are now supported.

Bifrost meets GNOME: Onward & upward to zero graphics blobs

Using regmaps to make Linux drivers more generic

May 27, 2020 by Adrian Ratiu  |   Blog

Device drivers can support more revisions and SoC platforms by abstracting away specific hardware interface layouts. Let's examine a specific instance of this process, namely the effort to make the MIPI DSI host controller driver more generic.

Using regmaps to make Linux drivers more generic

Cross-compiling with gst-build and GStreamer

May 15, 2020 by Stéphane Cerveau  |   Blog

gst-build is one of the main build systems used by the community to develop the GStreamer platform. In my last blog post, I presented gst-build and explained how to get started with it. Now, let's get straight to the point regarding cross-compilation.

Cross-compiling with gst-build and GStreamer

Using syzkaller, part 3: Fuzzing your changes

May 12, 2020 by Andre Almeida  |   Blog

In part 2 of this series on syzkaller, we looked at how to install the tool and use it to improve our code base. Now, how does syzkaller report a bug it finds in the execution path of a system call? Let's add a new syscall description and see how it goes.

Using syzkaller, part 3: Fuzzing your changes

Mesa 24.1 brings new hardware support for Arm and NVIDIA GPUs

May 22, 2024 by Faith Ekstrand  |   News & Events

Mesa 24.1 is out, and the graphics team at Collabora has been working hard to bring a slew of new features and bug fixes to Panfrost, Zink, NVK, and Mesa in general. Here's a look at their contributions for this release cycle.

Mesa 24.1 brings new hardware support for Arm and NVIDIA GPUs

Implementing DRM format modifiers in NVK

May 16, 2024 by Faith Ekstrand  |   News & Events

This week we merged support for the VK_EXT_image_drm_format_modifier extension in NVK, the new open-source Vulkan driver for NVIDIA hardware. We've also back-ported the code to the Mesa 24.1 staging branch, part of the upcoming Mesa 24.1 release.

Implementing DRM format modifiers in NVK

Kernel 6.9: Enable, test, repeat

May 14, 2024 by Nícolas Prado  |   News & Events

Collabora's engineers continue to be involved in the hardware enablement for a few different system-on-chips (SoCs) and platforms, and have also contributed significant improvements to kernel testing.

Kernel 6.9: Enable, test, repeat

SteamOS 3.6: How the Steam Deck atomic updates are improving

May 10, 2024 by Ludovico de Nittis  |   News & Events

Highlighting some of the key changes Collabora worked on with Valve to improve the system update tooling on SteamOS, including the move to Desync, making applying system updates significantly faster and more reliable.

SteamOS 3.6: How the Steam Deck atomic updates are improving

Debuting at IOT Solutions World Congress

May 09, 2024 by Kara Bembridge  |   News & Events

This year will be Collabora's first time exhibiting at IOTSWC, in partnership with STMicroelectronics. Collabora will be showcasing how the STM32MP2 is an ideal chip to enable edge AI solution in industrial environments.

Debuting at IOT Solutions World Congress

Effortless GStreamer Analytics Cross-Platform Support via ONNX Runtime

April 29, 2024 by Aaron Boxer  |   News & Events

GStreamer's support for diverse hardware and software platforms extends to its upstream Machine Learning capabilities, exemplified by its cross-platform ONNX Runtime implementation.

Effortless GStreamer Analytics Cross-Platform Support via ONNX Runtime

Collabora, not just Earth Day. Every day.

April 22, 2024 by Kara Bembridge  |   News & Events

As part of our commitment to social responsibility, we've been part of the 1% for the Planet Network since 2022. The environmental partners we support help to better the planet.

Collabora, not just Earth Day. Every day.

Monado stays ahead: Keeping pace with OpenXR 1.1 for cross-platform, open source XR

April 17, 2024 by Frederic Plourde  |   News & Events

Monado, the cross-platform open source XR runtime, has recently received significant updates to align with the features and specifications of OpenXR 1.1, ensuring compatibility and optimal performance for developers and users alike.

Monado stays ahead: Keeping pace with OpenXR 1.1 for cross-platform, open source XR

Blast from the past at Embedded World: Atari plays for Linux

April 11, 2024 by Kara Bembridge  |   News & Events

Adhering to the fundamentals of open source, the Atari VCS OS is based on Debian using the Apertis infrastructure, and the graphics rely on Weston as its Wayland compositor.

Blast from the past at Embedded World: Atari plays for Linux

Up close and personal with STMicroelectronics' STM32MP2 at Embedded World

April 10, 2024 by Mark Filion  |   News & Events

Using TensorFlow Lite models optimized for the STM3MP2 NPU along with an upstream-ready H.264 encoder (Video4Linux2), this demo showcases GStreamer's all-new analytic metadata framework.

Up close and personal with STMicroelectronics' STM32MP2 at Embedded World

New unixfd plugin in GStreamer 1.24

April 08, 2024 by Xavier Claessens  |   News & Events

GStreamer 1.24 was recently released, and with it came with a new plugin to help separate pipelines into different processes.

New unixfd plugin in GStreamer 1.24

Embedded Open Source Summit 2024

April 05, 2024 by Kara Bembridge  |   News & Events

Seattle is hosting this year's Embedded Open Source Summit, the umbrella conference for a collection of open source events. This is the premier space for the open source community and we'll be there with 6 talks!

Embedded Open Source Summit 2024

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Upcoming Events

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

GStreamer

October 7-10, Montreal, Quebec

XDC

October 9-11, Montreal, Quebec

 

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