A small freedom area.

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The most useful math formulas

Wed 09 Jun 2021

These last years, in the context of working on a graphic rendering engine, I've been confronted to many engineering problems...

prog, math

Building a competitive ladder for OpenRA

Fri 25 Dec 2020

3 years ago, mainly for nostalgic reasons, I started playing [OpenRA](https://www.openra.net), a free and open-source re-implementation of the engine of...

prog, openra

Finding specific multimedia samples

Thu 13 Aug 2020

When working in multimedia or image processing projects such as FFmpeg, we tend to accumulate a lot of samples over...

prog, ffmpeg, av

Story of debugging a crash in MPD

Wed 12 Aug 2020

Getting close to 3 years without posting. I haven't been peacefully enjoying a retired commoner life during all this time....

prog, debug, reverse, av

Self editing a (French) novel with free and open source software

Wed 25 Oct 2017

In 2013, my companion wrote a novel about medieval music and audio senses, *De Auditu*. Originally distributed exclusively on the...

book, floss, artwork

Making development board cases with ShimonBox

Tue 17 Oct 2017

Collecting ARM development boards has become a disease I've been carrying for a while now. Welcoming a new board to...

prog, openscad, 3dprint

Dealing with the ARM AArch64 SIMD documentation

Fri 26 May 2017

The ARMv8 instruction set documentation has always been garbage, and particularly the SIMD sections. In comparison, the Intel documentation provides...

prog, fun

Understanding selective coloring in Adobe Photoshop

Sat 07 Jan 2017

Photoshop has many interesting color filters, most of them being perfidiously documented such that you can understand how to use...

ffmpeg, reverse, algo, av

High quality GIF with FFmpeg

Mon 16 Mar 2015

About two years ago, I tried to improve the support of the GIF encoding in FFmpeg to make it at...

fun, gif, ffmpeg, av

Templating in C

Sat 28 Feb 2015

The question of how to do templating in C is often raised, and I couldn't find a good overview of...


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