September 13, 2016 by Gustavo Padovan | Blog
When it comes to buffer sharing synchronization in the kernel there are two ways of doing it: Implicit Fencing and Explicit Fencing. The difference between them relies on the fact that the kernel may or may not share synchronization information with userspace,…
September 05, 2016 by Mark Filion | News and Events
Collabora will be exhibiting at IBC 2016, the premier annual event for professionals engaged in the creation, management and delivery of entertainment and news content worldwide.
September 02, 2016 by Robert Foss | Blog
Developing Linux for Android on Qemu allows you to do some things that are not necessarily possible using the stock emulator. For my purposes I need access to a GPU and be able to modify the driver, which is where Virgilrenderer and Qemu comes in handy.
August 23, 2016 by Helen Fornazier | Blog
Nowadays, in Google Cloud Engine (GCE), it is possible to attach a local SSD with the NVMe interface to your virtual machine. Unfortunately, you only get a good number of iops (input/output operations per second) if you instantiate a machine with nvme-backports-debian-7-wheezy…
August 12, 2016 by Philip Withnall | Blog
I have recently been involved in reviewing some large feature patchsets for a project at work, and thought it might be interesting to discuss some of the principles we have been trying to stick to when going about these reviews.
August 05, 2016 by Timothy Arceri | Blog
For years the open source Linux OpenGL drivers have been playing catchup to the proprietary drivers and in the case of Intel hardware to the Windows driver. Recently, a major milestone was reached in bridging this gap with the enablement of OpenGL 4.4…
July 26, 2016 by Gustavo Padovan | Blog
Linux Kernel 4.7 was released this week with a total of 36 contributions from five Collabora engineers. It includes the first contributions from Helen as Collaboran and the first ever contributions on the kernel from Robert Foss. Here are some of the…
July 08, 2016 by Nicolas Dufresne | Blog
For a long time I believed that echo cancellers had no place inside GStreamer. The theory was that GStreamer was too high level and would never be able to provide accurate enough delay information for any canceller to work.
July 04, 2016 by Lubosz Sarnecki | Blog
The dawn of VR video players demand new features in terms of projection and hardware access. In his recent R&D work, a Collaboran implemented a way to view spherical videos with GStreamer on a Virtual Reality headset. In this article, he gives his thoughts…
June 30, 2016 by Mark Filion | News and Events
Collabora is proud to be sponsoring DebConf16, the annual Debian developers meeting, taking place in Cape Town, South Africa, from 2 July to 9 July 2016.
June 27, 2016 by Frédéric Plourde | Blog
I’ve been fortunate enough lately to attend the largest virtual reality professional event/conference : SVVR. This virtual reality conference’s been held each year in the Silicon Valley for 3 years now. This year, it showcased more than 100 VR companies…
June 22, 2016 by Simon McVittie | Blog
I'm back from the GTK hackfest in Toronto, Canada and mostly recovered from jetlag, so it's time to write up my notes on what we discussed there.
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.
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.
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.
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.
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.
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.
October 15, 2018 by Mark Filion | News & Events
This week, two Collaborans will be in Dresden, Germany to take part in the AGL All Member Meeting. George Kiagiadakis and Daniel Stone will be in attendance, with the former also giving a presentation on the latest happenings in upstream multimedia.
October 12, 2018 by Mark Filion | News & Events
We're headed to Heraklion, Greece, to meet with the Panhellenic FOSS community at FOSSCOMM, a conference for programmers, students and anyone else interested in the open source movement!
September 20, 2018 by Mark Filion | News & Events
Next week, Collaborans will be heading to Paris, A Coruña & Berlin, to sponsor and speak at four different conferences: Embedded Recipes, Kernel Recipes, All Systems Go and XDC 2018. See you there?
September 10, 2018 by Mark Filion | News & Events
From September 14 to 18, Collabora will be exhibiting at the IBC Show 2018, the "world's most influential media, entertainment and technology show"! If you are planning on attending, please make sure to stop by our booth, D-15 in Hall 14!
August 28, 2018 by Mark Filion | News & Events
Starting tomorrow, Collaborans will be in beautiful British Columbia to take part, and speak, in this year's Open Source Summit North America! If you are planning on attending, come say hello or catch one of our presentations!
August 13, 2018 by Ezequiel Garcia | News & Events
Another two months and a half have passed, Linux Kernel v4.18 has been released, which means it's time to stop along the way and make a little retrospective. This time around, seven Collaborans have contributed to the kernel, authoring 61 commits.
July 31, 2018 by Jassie Badion | News & Events
Comprised of some of the most motivated and active Open Source contributors and maintainers around the world, our team shares a passion for technology and Open Source, as do these newest members. Welcome Gert, Gustavo, Erik, Christoph, Ryan & Ana!
July 26, 2018 by Mark Filion | News & Events
Collabora is heading East to sponsor & attend DebConf18, the annual Debian conference! The week-long event takes place for the first time in Asia, at the National Chiao Tung University Microelectronics & Information Research Center, in Hsinchu Taiwan.
June 29, 2018 by Mark Filion | News & Events
By this time next week, Collaborans will have arrived in Almería, Spain, to attend and speak at the 2018 edition of GUADEC, the annual GNOME conference. Come say hello!
June 04, 2018 by Enric Balletbò i Serra | News & Events
Linus Torvalds has now released the official Linux 4.17, so it’s time for our traditional blog post summing up our contributions to the latest version of the Linux kernel, which include a number of patches to the DRM subsystem.
April 20, 2018 by Mark Filion | News & Events
This weekend, we're headed to Gothenburg, Sweden, to meet the Nordic FOSS community at foss-north, a free / open source conference covering both software and hardware from the technical perspective!
April 06, 2018 by Mark Filion | News & Events
Attending the NAB Show in Las Vegas? Make sure to stop by Collabora's booth, #N2908VR in the North Hall, and get a firsthand look at the latest in Open Source software integration!
Here are the events we'll be attending in the coming weeks – come say hello!
September 18-19, Lyon, France
September 18-20, Vienna, Austria
September 23-25, Paris, France
October 7-10, Montreal, Quebec
October 9-11, Montreal, Quebec