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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

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

Initcalls, part 2: Digging into implementation

September 25, 2020 by Mylène Josserand  |   Blog

In this second part of this blog post series on Linux kernel initcalls, we'll go deeper into implementation, with a look at the colorful __device_initcall() macro, the rootfs initcall, and how modules can be executed.

Initcalls, part 2: Digging into implementation

Open Source meets Super Resolution, part 1

September 21, 2020 by Marcus Edel  |   Blog

Introducing an accurate and light-weight deep network for video super-resolution upscaling, running on a completely open source software stack using Panfrost, the free and open-source graphics driver for Mali GPUs.

Open Source meets Super Resolution, part 1

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

Integrating libcamera into PipeWire

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.

Integrating libcamera into PipeWire

Pushing pixels to your Chromebook

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).

Pushing pixels to your Chromebook

Using the Linux kernel's Case-insensitive feature in Ext4

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.

Using the Linux kernel's Case-insensitive feature in Ext4

One week, two events: DebConf20 & Linux Plumbers Conference

August 24, 2020 by Mark Filion  |   News & Events

August ends on a high note with two virtual events this week: DebConf20, Debian's annual conference, and Linux Plumbers Conference, the premier event for developers working at all levels of the Linux kernel's plumbing layer and beyond.

One week, two events: DebConf20 & Linux Plumbers Conference

Panfrost performance counters with Perfetto

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!

Panfrost performance counters with Perfetto

High bitrate video streaming with GStreamer's RTP elements

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.

High bitrate video streaming with GStreamer's RTP elements

Understanding computer vision & AI, part 1

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.

Understanding computer vision & AI, part 1

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

Bag of Freebies for XR Hand Tracking: Machine Learning & OpenXR

June 17, 2021 by Marcus Edel  |   Blog

In our previous post, we presented a project backed by INVEST-AI which introduces a multi-stage neural network-based solution. Now let's dive into the machine learning details of our innovative, open source hand-tracking pipeline.

Bag of Freebies for XR Hand Tracking: Machine Learning & OpenXR

Testing cameras with lc-compliance on KernelCI

June 15, 2021 by Nícolas F. R. A. Prado  |   Blog

Initiated as a joint effort by the Google Chrome OS team and Collabora, the recent KernelCI hackfest brought the addition of new tests including the ability to detect regressions on the Linux kernel that can directly affect cameras.

Testing cameras with lc-compliance on KernelCI

Zink: Summer 2021 update

June 14, 2021 by Erik Faye-Lund  |   Blog

There's a lot that has happened in the world of Zink since my last update, so let's see if I can bring you up to date on the most important stuff, including upstream development, support for OpenGL 4.6 & GLES 3.1, and more.

Zink: Summer 2021 update

Open Source OpenGL ES 3.1 on Mali GPUs with Panfrost

June 11, 2021 by Alyssa Rosenzweig  |   Blog

Panfrost, the open source driver for Arm Mali, now supports OpenGL ES 3.1 on both Midgard (Mali T760 and newer) and Bifrost (Mali G31, G52, G72) GPUs, adding a number of features, notably including compute shaders.

Open Source OpenGL ES 3.1 on Mali GPUs with Panfrost

Optimizing 3D performance with virglrenderer

May 17, 2021 by Gert Wollny  |   Blog

Collabora has been investing into Perfetto to enable driver authors & users to get deep insights into driver internals and GPU performance. Here's how we applied this work to study workloads on the virtualized VirGL implementation.

Optimizing 3D performance with virglrenderer

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

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 OpenXR

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 OpenXR

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

Event: systemd.conf 2015

October 28, 2015 by Mark Filion  |   News and Events

Berlin, Germany - from 05/11/2015 to 07/11/2015: The systemd.conf is the first conference devoted to the systemd project. It aims to bring developers, distribution packagers and devops professionals together to present, discuss, and work on that topics that will shape the future of the systemd project.

Event: systemd.conf 2015

Event: Web Engines Hackfest 2015

October 28, 2015 by Mark Filion  |   News and Events

A Coruña, Spain - from 07/12/2015 to 09/12/2015: The Web Engines Hackfest is a hacking oriented invitation-only event involving members from all parts of the Web Platform community, including those who work on Blink, WebKit, Gecko, and Servo.

Event: Web Engines Hackfest 2015

Event: GENIVI AMM Seoul 2015

October 13, 2015 by Guy Lunardi  |   News and Events

Seoul, South Korea - From 20/10/2015 to 23/10/2015: We will be exhibiting at the GENIVI Showcase during the All Member Meeting.

Event: GENIVI AMM Seoul 2015

Event: GStreamer Conference 2015

September 28, 2015 by Guy Lunardi  |   News and Events

Dublin, Ireland - from 08/10/2015 to 09/10/2015: The GStreamer Conference is a conference for anyone interested in the GStreamer multimedia framework or Open Source and cross-platform multimedia.

Event: GStreamer Conference 2015

Event: IBC 2015

September 05, 2015 by Guy Lunardi  |   News and Events

Amsterdam, The Netherlands - from 10/09/2015 to 15/09/2015: we are thrilled to be joining ARM to demonstrate our latest technology showcases together at their booth at IBC 2015. Booth Hall 4.C61

Event: IBC 2015

Event: LPC 2015

August 14, 2015 by Guy Lunardi  |   News and Events

Seattle, USA - from 19/08/2015 to 21/08/2015: The Linux Plumbers Conference (LPC) is a developer conference for those working on the “plumbing” of Linux.

Event: LPC 2015

Event: DebConf 2015

August 14, 2015 by Guy Lunardi  |   News and Events

Heidelberg, Germany - from 15/08/2015 to 22/08/2015: The 16th annual Debian developers meeting.

Event: DebConf 2015

Event: GStreamer Hackfest 2015

August 14, 2015 by Guy Lunardi  |   News and Events

Montpellier, France - from 14/08/2015 to 16/08/2015: GStreamer developers are meeting up to work on the project.

Event: GStreamer Hackfest 2015

Event: InfoComm 2015

March 20, 2015 by Guy Lunardi  |   News and Events

Orlando, USA - from 17/06/2015 to 19/06/2015: we'll be exhibiting at InfoComm 2015, the largest event for professional AV in the world. Collabora booth 5469

Event: InfoComm 2015

Event: GENIVI AMM Stuttgart 2015

March 18, 2015 by Guy Lunardi  |   News and Events

Stuttgart, Germany - From 22/04/2015 to 22/04/2015: We will be exhibiting at the GENIVI Demonstration Showcase during the All Member Meeting.

Event: GENIVI AMM Stuttgart 2015

Event: ISE 2015

January 15, 2015 by Guy Lunardi  |   News and Events

Amsterdam, The Netherlands February 10-12, 2015: the world’s largest tradeshow dedicated to professional AV and electronic systems integration. Collabora booth #11-E61

Event: ISE 2015

Event: CES 2015

December 17, 2014 by Guy Lunardi  |   News and Events

Las Vegas, USA - January 6th - 9th, 2015: Collabora will be participating with key partners at CES 2015, the world’s gathering place for all who thrive on the business of consumer technologies.

Event: CES 2015

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Upcoming Events

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

GitLab Commit

3-4 August, Online

DebConf21

22-29 August, Online

XDC 2021

15-17 September, Online

Linux Plumbers Conference

20-24 September, Online

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