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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

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

WirePlumber, the PipeWire session manager

May 07, 2020 by George Kiagiadakis  |   Blog

An in-depth look at WirePlumber, the modular and extensible session manager for PipeWire that brings advanced device management, policy control and security enforcement capabilities.

WirePlumber, the PipeWire session manager

Reducing the size of a Rust GStreamer plugin

April 28, 2020 by Guillaume Desmottes  |   Blog

With Rust gaining traction among the GStreamer community as an alternative to C to write applications and plugins, we began wondering, could the size of such Rust plugins be a problem for embedded systems?

Reducing the size of a Rust GStreamer plugin

From Bifrost to Panfrost - deep dive into the first render

April 23, 2020 by Alyssa Rosenzweig  |   Blog

The Panfrost project building a free, Open Source graphics driver for modern Mali GPUs has reached a new milestone: the first 3D render, including basic texture support, on a Bifrost chip (Mali G31)!

From Bifrost to Panfrost - deep dive into the first render

Testing in the Cloud: Enabling Fedora's openQA for flexible cloud deployment

July 24, 2024 by Deborah Brouwer  |   News & Events

OpenQA is a tool for functional, end-to-end testing of operating system distributions. Earlier this year, Collabora undertook a project, sponsored by Meta, to reproduce Fedora’s openQA deployment in the AWS cloud.

Testing in the Cloud: Enabling Fedora's openQA for flexible cloud deployment

Kernel 6.10: Keep the updates coming

July 18, 2024 by Sebastian Reichel  |   News & Events

The latest kernel 6.10 release brings multiple core changes and updates to BH workqueues. Let's examine the developments implemented by Collabora's engineers.

Kernel 6.10: Keep the updates coming

Taming the Panthor: OpenGL ES 3.1 conformance achieved on Mali-G610

July 15, 2024 by Eric Smith  |   News & Events

The Panthor kernel driver and Mesa Panfrost driver combination has achieved official conformance for OpenGL ES 3.1 on the Mali-G610 chip, ensuring reliable performance for users on Mesa version 24.1.1.

Taming the Panthor: OpenGL ES 3.1 conformance achieved on Mali-G610

ElectricMaple: Remote-rendering debuts at AWE 2024

June 19, 2024 by Mark Filion  |   News & Events

Making its debut this week at Augmented World Expo (AWE) in Long Beach, ElectricMaple is an innovative project by Collabora and PlutoVR designed to enhance standalone XR experiences through remote-rendering.

ElectricMaple: Remote-rendering debuts at AWE 2024

Making a spatial impact at AWE 2024

May 30, 2024 by Kara Bembridge  |   News & Events

Join us at Augmented World Expo for a first-hand look at our recent XR work including ElectricMaple remote rendering, and xrdesktop showcasing a fully open-source 3-window desktop configuration with gaze-driven window selection.

Making a spatial impact at AWE 2024

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.

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