May 23, 2019 by Ezequiel Garcia | Blog
With virtme, you can run a custom built kernel on top of our running root filesystem. In this post, we explore another example of virtme in action, and see how to test Video4Linux2 drivers on bleeding edge GStreamer builds.
May 16, 2019 by Andrzej Pietrasiewicz | Blog
Introducing cmtp-responder - a permissively licensed Media Transfer Protocol (MTP) responder implementation which allows embedded devices to provide MTP services and supports a core set of MTP operations.
May 14, 2019 by Adrian Ratiu | Blog
Up until now, talking in-depth about userspace tracing was deliberately avoided because it merits special treatment, hence this part devoted to it. We'll now look at the why of it, and we'll examine eBPF user tracing in two categories: static and dynamic.
May 09, 2019 by André Almeida | News & Events
Earlier this week, Linux Kernel 5.1 was released, and with it came over 13,000 commits from developers all around the world, including Collaborans. This time around, no less than 12 different developers contributed commits (64), sign-offs (111) & more.
May 08, 2019 by Santosh Mahto | Blog
After a successful team effort, the patch enabling the Chromium Embedded Framework (CEF) Ozone builds to run with different platform backends, such as Wayland, has finally landed upstream.
May 06, 2019 by Aaron Boxer | News & Events
After a year-long development cycle, the much anticipated release was made available recently. With it came a number of exciting new features we're especially proud of, including per-element latency tracer and support for planar or non-interleaved audio.
May 06, 2019 by Adrian Ratiu | Blog
Now that we've studied the mainstream way of developing and using eBPF programs on top of the low-level VM mechanisms, we'll look at projects taking different approaches, attempting solutions to some of the unique problems faced by embedded Linux.
May 02, 2019 by Robert Foss | Blog
A previous post introduced the SPURV Android compatibility layer for Wayland based Linux environment. In this post, we're going to dig into how you can run an Android application on the very common i.MX6 based Nitrogen6_MAX board.
April 26, 2019 by Adrian Ratiu | Blog
In part 1 and 2 of this series, we took a condensed in-depth look at the eBPF VM. In part 3, we define the high-level components of an eBPF program, including the backend, loader, frontend and data structures.
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.
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.
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.
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.
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).
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.
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!
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.
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.
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.
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.
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.
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.
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.
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.
October 28, 2019 by Guillaume Tucker | News & Events
The KernelCI project, which powers kernelci.org with automated testing for the upstream Linux kernel, has found a new home after sailing through uncharted waters for over five years.
October 25, 2019 by Mark Filion | News & Events
Next week, Collabora will be sponsoring, exhibiting & speaking at ELCE in Lyon, France. We'll be showcasing not one but two demos at our booth this year: arcade racing on a ROCK Pi 4 with Panfrost, and GStreamer on the Magic Leap One.
September 30, 2019 by Mark Filion | News & Events
Collabora is proud to be hosting in Montreal the 2019 edition of the 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.
September 20, 2019 by Mark Filion | News & Events
Next week, Collaborans including Julian Bouzas and Enric Balletbò i Serra will be in Paris to participate in the 3rd edition of Embedded Recipes and 8th edition of Kernel Recipes
September 19, 2019 by Boris Brezillon | News & Events
Linux 5.3 was released over the weekend, which means it's time for our usual "where does Collabora stand in this picture?" tour. As has been the case for several years now, Collabora continues being an active contributor to the Linux kernel.
September 12, 2019 by Mark Filion | News & Events
Showcasing two brand new Open Source software demonstrations featuring the Xilinx high-performance Zynq UltraScale+ MPSoC, and the Magic Leap One augmented reality headset.
September 06, 2019 by Joey Ferwerda | News & Events
With the recent release of the OpenXR 1.0 specification, the presence of numerous Open Source platforms for Virtual Reality and Augmented Reality, and a growing community of developers, the need for a collaborative Open Source XR Conference became clear.
August 20, 2019 by Mark Filion | News & Events
Starting tomorrow, Collabora will be exhibiting & speaking at Embedded Linux Conference North America (ELCNA), the premier vendor-neutral technical conference for companies and developers using embedded Linux.
August 02, 2019 by Mark Filion | News & Events
This weekend, Collaborans are in São Paulo, Brazil, to take part in the third edition of Linux Developer Conference Brazil, a conference which aims to take the Brazilian Linux development community to the international level.
July 30, 2019 by Lubosz Sarnecki | News & Events
Today, we are very excited to announce xrdesktop, a new open source project sponsored by Valve, enabling interaction with traditional Linux desktop environments, such as GNOME and KDE, in VR.
July 25, 2019 by Andrej Shadura | News & Events
With DebConf19, the annual conference for Debian contributors and users, in full swing this week in Curitiba, Brazil, what better time to look at the contributions made by Collaborans to the latest Debian release!
July 17, 2019 by Gabriel Krisman Bertazi | News & Events
With 11 engineers authoring, reviewing and testing nearly 170 patches for this latest release, Collabora ranked 8th in the list of most active employers by lines changed, sharing ranks with some of the prominent employers in Linux kernel development.
Here are the events we'll be attending in the coming weeks – come say hello!
January 31 - February 2, Helsinki, Finland
February 4-5, Brussels, Belgium
February 13-15, Seattle, Washington