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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

Kernel 5.12: Working to close the gap

May 04, 2021 by Ariel D'Alessandro  |   News & Events

With their latest contributions all around the kernel, notably to the Video4Linux APIs and hardware enablement, Collaborans continue to expand on their efforts to close the gap between hardware support on vendor trees and mainline.

Kernel 5.12: Working to close the gap

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

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

An easy to use MTP implementation for your next embedded Linux project

April 13, 2021 by Andrzej Pietrasiewicz  |   Blog

Did you know you could run a permissively-licensed MTP implementation with minimal dependencies on an embedded device? Here's a step-by-step guide on how to easily run cmtp-responder on a Rock Pi 4 or any other board equipped with a UDC.

An easy to use MTP implementation for your next embedded Linux project

PanVk: An Open Source Vulkan driver for Arm Mali Midgard and Bifrost GPUs

March 25, 2021 by Boris Brezillon  |   News & Events

The Panfrost project started as a reverse engineering effort to understand Arm Mali Midgard and Bifrost GPU internals. With the driver getting more and more mature, the natural next step was to work on an Open Source Vulkan driver for those GPUs.

PanVk: An Open Source Vulkan driver for Arm Mali Midgard and Bifrost GPUs

Rust: integrating LLVM source-base code coverage with GitLab

March 24, 2021 by Guillaume Desmottes  |   Blog

Earlier this year, the Rust compiler gained support for LLVM source-base code coverage. In this post we'll explain how to setup a CI job in a Rust project to feed source-base coverage information to GitLab.

Rust: integrating LLVM source-base code coverage with GitLab

Linaro Virtual Connect - Spring 2021

March 22, 2021 by Mark Filion  |   News & Events

Join us this week at the Spring edition of Linaro Virtual Connect, as we discuss bringing stateless video decoding support to Linux, and take a look at where we are, and what's to come, for open drivers for Arm GPUs.

Linaro Virtual Connect - Spring 2021

Build and run GTK 4 applications with Visual Studio

March 18, 2021 by Xavier Claessens  |   Blog

Over the past few months, I've been working on a side project to improve Meson sub-project support. The best stress test is to build projects on Windows, without msys2, because it has no dependencies or tools installed (e.g. pkg-config).

Build and run GTK 4 applications with Visual Studio

OpenGL on DirectX: Conformance & upstreaming of the D3D12 driver

March 10, 2021 by Erik Faye-Lund  |   News & Events

One year ago, we announced a new partnership with Microsoft to build OpenGL mapping layers to DirectX 12. Today, we're excited to share that the we have passed the OpenGL 3.3 conformance tests, and have now upstreamed the D3D12 driver in Mesa 3D!

OpenGL on DirectX: Conformance & upstreaming of the D3D12 driver

Persian Rug, Part 2 - Other ways to make object soups in Rust

September 27, 2023 by Edmund Smith  |   Blog

Why is creating object graphs hard in Rust? In part 1, we looked at a basic pattern, where two types of objects refer to one another. In this part we'll follow up in more detail and examine the different approaches that can be applied.

Persian Rug, Part 2 - Other ways to make object soups in Rust

WhisperSpeech: Exploring new horizons in text-to-speech technology

September 13, 2023 by Jakub Piotr Clapa  |   Blog

Text-to-speech (TTS) models are playing a transformative role, from enriching audiobooks to enhancing podcasts and even improving interactions with chatbots. Meet WhisperSpeech, an Open Source text-to-speech model developed by Collabora.

WhisperSpeech: Exploring new horizons in text-to-speech technology

Bridging IIO and Input in Linux

August 21, 2023 by Eugen Hristev  |   Blog

In Linux, the Industrial Input/Output subsystem manages devices like Analog to Digital Converters, Light sensors, accelerometers, etc. On the other hand, the Input subsystem handles keyboards, mice, touchscreens, and any device that has a human interface.

Bridging IIO and Input in Linux

Pushing testing laboratory performance limits by benchmarking LAVA - Part 1

August 10, 2023 by Paweł Wieczorek  |   Blog

Collabora's main testing laboratory has grown to automate testing on over 150 devices of about 30 different types. The lab receives job submissions from several CI systems, e.g. KernelCI, MesaCI, and Apertis QA.

Pushing testing laboratory performance limits by benchmarking LAVA - Part 1

Persian Rug - It really ties the Rust room together

August 09, 2023 by Edmund Smith  |   Blog

Rust is a modern language known for its memory safety, efficiency, and wide range of high-level features. But many beginners also run into something else in Rust: how surprisingly difficult it is to represent some common designs.

Persian Rug - It really ties the Rust room together

Triple Threat: The Power of Transcription, Summary, and Translation

August 03, 2023 by Marcus Edel  |   Blog

At Collabora, we're committed to bringing people together. That's why we're pushing state-of-the-art machine-learning techniques like Large Language Models, Speech Recognition, and Speech-Synthesis techniques.

Triple Threat: The Power of Transcription, Summary, and Translation

Booting on Radxa's Rock-5B without any media used

July 31, 2023 by Eugen Hristev  |   Blog

I have been working on getting U-boot upstream up to speed for the Radxa Rock-5B Rockchip RK3588 board. One of the cool features that I recently published upstream is the ability to boot the board without any kind of non-volatile media (NVM) used.

Booting on Radxa's Rock-5B without any media used

Radxa's Rock 5A one step closer to U-boot mainline

July 18, 2023 by Eugen Hristev  |   Blog

I previously talked about getting the bigger brother Rock 5B into mainline U-boot; this time I worked on the Rock 5A, an even tinier SBC based on Rockchip's RK3588S SoC that is one step closer to getting accepted.

Radxa's Rock 5A one step closer to U-boot mainline

A roadmap for VirtIO Video on Chrome OS, part 1

June 20, 2023 by Daniel Almeida  |   Blog

Powered by Rust, the video codec stack on ARCVM is now bringing faster and more reliable video decoding on Chrome OS. Here's how Collabora has been helping shape video virtualization for Chromebooks, and what it means for end users.

A roadmap for VirtIO Video on Chrome OS, part 1

WirePlumber's Event Dispatcher: a new, simplified way of handling PipeWire events

June 15, 2023 by Ashok Sidipotu  |   Blog

Event Dispatcher, part of the upcoming WirePlumber 0.5 release, is a custom PipeWire event scheduling mechanism designed to address many of the fundamental issues in WirePlumber.

WirePlumber's Event Dispatcher: a new, simplified way of handling PipeWire events

MLfix to quickly fix datasets

June 08, 2023 by Vineet Suryan  |   Blog

Contrary to traditional software development, data is more important than code in machine learning. Building a high-performing model requires using reliable, precisely labelled data but poor-quality data is not always obvious.

MLfix to quickly fix datasets

USB 3.0 preliminary support in U-boot for Radxa Rock-5B

May 31, 2023 by Eugen Hristev  |   Blog

A while back I presented USB 2.0 host support that was added to U-boot for the Radxa Rock-5B RK3588 Rockchip board. This time, USB 3.0 was added with support for the host and gadget.

USB 3.0 preliminary support in U-boot for Radxa Rock-5B

Open Source in Japan, virtually

December 08, 2021 by Mark Filion  |   News & Events

A year of online conferences that began with linux.conf.au will end on a high note next week as Collaborans present three talks at Open Source Summit Japan + Automotive Linux Summit 2021. Join us!

Open Source in Japan, virtually

Kernel 5.15: A small but mighty Halloween release

November 10, 2021 by Sebastian Reichel  |   News & Events

It might be smaller than the last few kernels, but with well above 10,000 non-merge changes, the latest Linux kernel release still packs a punch. Released on October 31, kernel 5.15 brings lots of exciting new features.

Kernel 5.15: A small but mighty Halloween release

WirePlumber in Fedora 35

November 02, 2021 by George Kiagiadakis  |   News & Events

Today marks a very exciting day as Fedora 35 has now been released, and with it comes WirePlumber as the default session manager for PipeWire! Under development by Collabora since 2019, WirePlumber has now entered the linux desktop space.

WirePlumber in Fedora 35

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

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

A very successful first KernelCI hackfest

June 21, 2021 by Shreeya Patel  |   News & Events

Earlier this month, Collabora took part in the very first KernelCI hackfest, initiated as a joint effort with the Google Chrome OS team. Here's a look at what led to our participation and what was accomplished.

A very successful first KernelCI hackfest

Growing for the road ahead

June 21, 2021 by Erica Ryoo  |   News & Events

Despite the many obstacles brought on by the pandemic, Collabora has continued to grow its teams for the road ahead. Join us in welcoming Kiril, Benjamin, Daniel, Shreeya, Ariel, Nicolas and James!

Growing for the road ahead

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