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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

Open Source Summit + Embedded Linux Conference 2021

September 24, 2021 by Mark Filion  |   News & Events

Collaborans will be actively participating in next week's activities with seven talks on topics including Rust build scripts, embedded deep learning on GStreamer, HEVC decoding on mainline Linux, PipeWire and WirePlumber, and more.

Open Source Summit + Embedded Linux Conference 2021

Panfrost achieves OpenGL ES 3.1 conformance on Mali-G52

September 21, 2021 by Alyssa Rosenzweig  |   News & Events

This important milestone is a step forward for the open source driver, as it now certifies Panfrost for use in commercial products containing Mali G52 and paves the way for further conformance submissions on other Mali GPUs.

Panfrost achieves OpenGL ES 3.1 conformance on Mali-G52

Generate a minimal GStreamer build, tailored to your needs

September 16, 2021 by Stéphane Cerveau  |   News & Events

GStreamer can be tricky to ship in a constrained device. Thanks to a partnership with Huawei, you can now use gst-build to generate a minimal GStreamer build, tailored to a specific application, or set of applications. Here's how.

Generate a minimal GStreamer build, tailored to your needs

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

Kernel 5.14: 30 years in the making and still improving

September 07, 2021 by Nícolas F. R. A. Prado  |   News & Events

With an ever-increasing interest in more modern hardware support, and a more reliable kernel that is thoroughly tested, contributions by Collabora's developers continue to help make this a reality for the Linux kernel.

Kernel 5.14: 30 years in the making and still improving

Linaro Virtual Connect - Fall 2021

September 01, 2021 by Mark Filion  |   News & Events

September's busy conference schedule kicks off next week with the Fall edition of Linaro Virtual Connect. Join us as we look at how to master your PipeWire streams with WirePlumber, and de-mystify GFX virtualization with VirGL!

Linaro Virtual Connect - Fall 2021

Reverse-engineering the Mali G78

July 20, 2021 by Alyssa Rosenzweig  |   News & Events

After a month of reverse-engineering the Arm Mali G78, we’re excited to release documentation on the Valhall instruction set, available as a PDF, as well as a Valhall assembler and disassembler to be used as a reverse-engineering aid.

Reverse-engineering the Mali G78

Kernel 5.13: Growing team and KernelCI hackfest

July 08, 2021 by Gabriel Krisman Bertazi  |   News & Events

Collabora's team working directly on the Linux kernel is growing. Collaborans continue to expand on their efforts to close the gap between hardware support on vendor trees and mainline.

Kernel 5.13: Growing team and KernelCI hackfest

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

From Panfrost to production, a tale of Open Source graphics

November 03, 2020 by Alyssa Rosenzweig  |   Blog

Since our previous update on Panfrost, the open source stack for Arm's Mali Midgard and Bifrost GPUs, we've focused on taking our driver from its reverse-engineered origins on Midgard to a mature stack.

From Panfrost to production, a tale of Open Source graphics

Engaging in an "Open First" remote internship at Collabora

October 20, 2020 by Gustavo Noronha  |   Blog

The concept of a remote internship may raise some doubts, or even red flags, for many students, as would remote jobs for professionals. As a result, we pay extra attention to how we onboard and support our interns.

Engaging in an "Open First" remote internship at Collabora

Building GStreamer text rendering and overlays on Windows with gst-build

September 28, 2020 by Aaron Boxer  |   Blog

GStreamer relies on various 2D font rendering and layout libraries such as Pango and Cairo to generate text for the Pango plugin, which contains elements such as textoverlay. Here's how to add the Pango plugin to a gst-build installation on Windows.

Building GStreamer text rendering and overlays on Windows with gst-build

Initcalls, part 2: Digging into implementation

September 25, 2020 by Mylène Josserand  |   Blog

In this second part of this blog post series on Linux kernel initcalls, we'll go deeper into implementation, with a look at the colorful __device_initcall() macro, the rootfs initcall, and how modules can be executed.

Initcalls, part 2: Digging into implementation

Open Source meets Super Resolution, part 1

September 21, 2020 by Marcus Edel  |   Blog

Introducing an accurate and light-weight deep network for video super-resolution upscaling, running on a completely open source software stack using Panfrost, the free and open-source graphics driver for Mali GPUs.

Open Source meets Super Resolution, part 1

Integrating libcamera into PipeWire

September 11, 2020 by Raghavendra Rao  |   Blog

PipeWire continues to evolve with the recent integration of libcamera, a library to support complex cameras. In this blog post, I'll explain why libcamera exists, what it does, and how we integrated it in PipeWire.

Integrating libcamera into PipeWire

Pushing pixels to your Chromebook

August 31, 2020 by Emil Velikov  |   Blog

A high-level introduction of the Linux graphics stack, how it is used within ChromeOS, and the work done to improve software rendering (while simultaneously improving GPU rendering by reducing the boilerplate needed in applications).

Pushing pixels to your Chromebook

Using the Linux kernel's Case-insensitive feature in Ext4

August 27, 2020 by Gabriel Krisman Bertazi  |   Blog

Last year, a (controversial) feature was added to the Linux kernel to support optimized case-insensitive file name lookups in the Ext4 filesystem. Here's a look at why this was merged, what improvements have been made since, and how to put it to work.

Using the Linux kernel's Case-insensitive feature in Ext4

Panfrost performance counters with Perfetto

August 21, 2020 by Antonio Caggiano  |   Blog

We have now integrated Mali GPU hardware counters supported by Panfrost with Perfetto's tracing SDK, unlocking all-in-one graphics-aware profiling on Panfrost systems!

Panfrost performance counters with Perfetto

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

Ready to All Systems Go!

August 23, 2023 by Kara Bembridge  |   News & Events

Set in the captivating city of Berlin, All Systems Go! is ready to explore foundational user-space Linux technologies after a 4-year hiatus.

Ready to All Systems Go!

NVK Has landed!

August 04, 2023 by Faith Ekstrand  |   News & Events

As of today, NVK, the new Vulkan driver for Nvidia GPUs, has landed in the main Mesa branch and will be included as an experimental driver in the 23.3 release of Mesa.

NVK Has landed!

EOSS - Recorded presentations (videos) now available

July 27, 2023 by Mark Filion  |   News & Events

If you weren't able to attend Embedded Open Source Summit in Prague last month, you're in luck as all presentations were recorded and are now available on YouTube.

EOSS - Recorded presentations (videos) now available

The next step for NVK: Merging into Mesa!

July 26, 2023 by Kara Bembridge  |   News & Events

After months of work, led by Collabora's own Faith Ekstrand, Red Hat's Karol Herbst, and numerous open source contributors, NVK is now considered ready to be merged into the main Mesa project.

The next step for NVK: Merging into Mesa!

A helping Arm for Panfrost

July 20, 2023 by Daniel Stone  |   News & Events

Collabora continues to relentlessly shift the needle to make high-quality open-source software not just an aspiration, but an expectation. We're pleased to announce an extension of our collaboration with Arm, providing more surety and capability for Panfrost.

A helping Arm for Panfrost

A weekend for developers

July 13, 2023 by Kara Bembridge  |   News & Events

With Black Valley in Norway, and Akademy in Greece, this weekend's plans are all set or computer enthusiasts! Collabora is proud to sponsor both of these events as a chance for communities to come together and strengthen their bonds.

A weekend for developers

Zink brings conformant OpenGL on Imagination GPUs

July 06, 2023 by Erik Faye-Lund  |   News & Events

Today, Imagination Technologies announced they are now using Zink for full OpenGL 4.6 support. This is the first time we've seen a hardware vendor trust Zink enough to completely side-step a native OpenGL driver and use it in a shipping product.

Zink brings conformant OpenGL on Imagination GPUs

Kernel 6.4: More work on MediaTek, Rockchip, and power supply

July 05, 2023 by Rogerio Alves Cardoso  |   News & Events

Released last week, Linux kernel 6.4 brings new features such as support for Intel LAM, user events for tracing, and the ability for the machine keyrings used for Machine Owner Keys to store only CA-enforced keys.

Kernel 6.4: More work on MediaTek, Rockchip, and power supply

NVK update: Enabling new extensions, conformance status & more

June 26, 2023 by Faith Ekstrand  |   News & Events

Looking back, it's amazing how much has happened in NVK in just the last 7 months. If development continues at this crazy pace, we may be looking at a pretty decent driver before too much longer.

NVK update: Enabling new extensions, conformance status & more

Ready to embark for Embedded Open Source Summit

June 22, 2023 by Kara Bembridge  |   News & Events

Taking place at the Prague Congress Centre from June 27 to 30, this new 4-day umbrella event brings multiple conferences, including Automotive Linux Summit (ALS) and Embedded Linux Conference (ELC), all under one roof.

Ready to embark for Embedded Open Source Summit

Making new strides at AWE

May 29, 2023 by Kara Bembridge  |   News & Events

Set in the heart of Silicon Valley, XR enthusiasts are eagerly awaiting to see the latest advancements on display at Augmented World Expo (AWE) 2023.

Making new strides at AWE

Weston 12.0: Highlights and changes for Wayland's reference compositor

May 25, 2023 by Marius Vlad  |   News & Events

Released last week, Weston 12.0 brings a number of highlights including two new backends, support for multiple scanout devices, and the addition of new protocol implementations. Here's a look at some of the changes that have landed in this new version.

Weston 12.0: Highlights and changes for Wayland's reference compositor

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