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GStreamer buffer flow analyzer

April 25, 2019 by Guillaume Desmottes  |   Blog

GStreamer's logging system is an incredibly powerful ally when debugging but it can sometimes be a bit daunting to dig through the massive amount of generated logs. I often find myself writing small scripts processing gst logs when debugging.

GStreamer buffer flow analyzer

Weston debugging and tracing on-the-fly

April 24, 2019 by Marius Vlad  |   Blog

The recent release of version 6 of the Weston compositor has brought with it the weston-debug protocol, a new feature that allows developers and users alike to display on-the-fly various debugging (logging) information generated by the compositor.

Weston debugging and tracing on-the-fly

Quick hack: git-pw

April 18, 2019 by Ezequiel Garcia  |   Blog

A well-known Linux kernel developer once said, a poor craftsman famously complains about his tools, but a good craftsman knows how to choose excellent tools. Here's a python-based tool that integrates git and patchwork, and can greatly improve your toolbox.

Quick hack: git-pw

An eBPF overview, part 2: Machine & bytecode

April 15, 2019 by Adrian Ratiu  |   Blog

The second part of this series takes a more in-depth look at the eBPF VM and program studied in the first part. Having this low level knowledge is not mandatory but can be a very useful foundation for the rest of the series.

An eBPF overview, part 2: Machine & bytecode

GStreamer support for the RIST Specification

April 09, 2019 by Nicolas Dufresne  |   News & Events

Collabora contributes elements implementing the RIST Simple Profile to GStreamer. This specification adds retransmissions to RTP streams in a way that it compatible with existing broadcast encoders and decoders.

GStreamer support for the RIST Specification

An eBPF overview, part 1: Introduction

April 05, 2019 by Adrian Ratiu  |   Blog

Interested in learning more about low-level specifics of the eBPF stack? Read on as we take a deep dive, from its VM mechanisms and tools, to running traces on remote, resource-constrained embedded devices.

An eBPF overview, part 1: Introduction

Running Android next to Wayland

April 01, 2019 by Robert Foss  |   Blog

It's now possible to run Android applications in the same graphical environment as regular Wayland Linux applications with full 3D acceleration. Here's a look at SPURV, our experimental containerized Android environment.

Running Android next to Wayland

Linaro Connect meets Panfrost

March 29, 2019 by Mark Filion  |   News & Events

Next week, Collaborans will be in Bangkok, Thailand, to participate in the 25th edition of Linaro Connect, a gathering of the world's leading open source engineers working on Arm. Tomeu Vizoso and Gustavo Padovan will be in attendance to present Panfrost.

Linaro Connect meets Panfrost

Modern USB gadget on Linux & how to integrate it with systemd (Part 2)

March 27, 2019 by Andrzej Pietrasiewicz  |   Blog

In the previous post I introduced you to the subject of USB gadgets implemented as machines running Linux. In this post, we look at how to implement your very own USB function with FunctionFS and how to integrate that with systemd.

Modern USB gadget on Linux & how to integrate it with systemd (Part 2)

Bootstraping a minimal Arch Linux image

March 20, 2019 by André Almeida  |   Blog

In this tutorial, we'll look at how to create a functional and simple Arch Linux virtual machine image, that can have network access, display graphical windows and share a folder with the host.

Bootstraping a minimal Arch Linux image

Introducing: Monado

March 18, 2019 by Jakob Bornecrantz  |   News & Events

Following the release of the OpenXR 0.90 Provisional Specification by The Khronos Group, Collabora is proud to announce Monado, an open source implementation of the newly released OpenXR spec.

Introducing: Monado

European R-Car Consortium Forum 2019

March 13, 2019 by Mark Filion  |   News & Events

Tomorrow, March 14, Collabora will be in Düsseldorf, Germany, to take part and exhibit at the second edition of the Renesas European R-Car Consortium Forum!

European R-Car Consortium Forum 2019

Adding HEVC/H.265 support for NXP's i.MX 8M

February 17, 2021 by Benjamin Gaignard  |   Blog

Our recent efforts on the Hantro kernel driver have resulted in the addition of H.264 decoding support and multiple performance improvements. We are now introducing High Efficiency Video Coding, also known as H.265, decoding support on NXP's i.MX8 M.

Adding HEVC/H.265 support for NXP's i.MX 8M

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

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

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

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

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

Wine on Wayland: An exciting first update

February 19, 2021 by Alexandros Frantzis  |   News & Events

Two months ago we announced a first proposal for a Wayland driver for Wine, the compatibility layer for Windows applications. Here's an update on this effort, which contains more details and instructions for building and running the Wayland driver.

Wine on Wayland: An exciting first update

New year, new kernel: Collabora's contributions to Linux 5.11

February 17, 2021 by Ezequiel Garcia  |   News & Events

The first kernel release of 2021 brings a number of highlights contributed by Collaborans, including the new Syscall User Dispatch mechanism, and the destaging of both the H.264 stateless decoding interface and the Rockchip ISP driver.

New year, new kernel: Collabora's contributions to Linux 5.11

Monado 21.0.0, an officially conformant OpenXR implementation!

February 15, 2021 by Jakob Bornecrantz  |   News & Events

Monado, the OpenXR runtime for Linux, is now officially conformant! In recognition of this milestone, a first major release version of the OpenXR runtime for Linux is now available, bringing with it a SteamVR driver!

Monado 21.0.0, an officially conformant OpenXR implementation!

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

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!

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

Monado update: Passing conformance, Android support & more

November 02, 2020 by Jakob Bornecrantz  |   News & Events

Monado 0.4 OpenXR runtime introduces initial support for Android and passes all of the OpenXR conformance tests with both OpenGL and Vulkan on desktop with a simulated device.

Monado update: Passing conformance, Android support & more

Open Source Summit Europe & ELCE 2020

October 22, 2020 by Mark Filion  |   News & Events

The 4-day event is dedicated to everything open source and will showcase a program of 250+ talks. Collaborans will once again be actively participating in the week's activities, with no less than eight presentations, a BoF on KernelCI, and two panel discussions!

Open Source Summit Europe & ELCE 2020

Kernel 5.9: Onwards and upwards

October 22, 2020 by Mylène Josserand  |   News & Events

Collaborans continue to be very active in the Linux kernel, authoring over 150 commits in this release. Here's a look at the improvements, and new features, contributed by our team, notably in hardware support, multimedia, graphics and testing.

Kernel 5.9: Onwards and upwards

Collabora & GStreamer 1.18

October 06, 2020 by Stéphane Cerveau  |   News & Events

A move to GitLab. A switch to the powerful Meson build system. A fast and reliable CI system implemented. The GStreamer community has been busy, bringing a bevy of enhancements to 1.18. Here's a look at the key contributions by Collaborans.

Collabora & GStreamer 1.18

X.Org Developer's Conference 2020

September 15, 2020 by Mark Filion  |   News & Events

The lineup of great virtual conferences continues this week with the 2020 edition of 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.

X.Org Developer's Conference 2020

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Upcoming Events

Here are the online events we'll be attending in the coming weeks – join us!

Embedded World (Digital)

1-5 March, Online

Linaro Connect Virtual

23-25 March, Online

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