🦜 Kostya's Boring Codec World
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Kostya's Rants around Multimedia
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Pride and downsides
https://codecs.multimedia.cx/2026/09/pride-and-downsides/
Published: September 4, 2026 09:39
Late (and still great) Sir Pterry was a writer who wrote great footnotes as well as the books to contain them (name any other author who put a footnote even into the book title!). And while Thief of Time probably was not written for this particular…
Yet another FLI flavour
https://codecs.multimedia.cx/2026/09/yet-another-fli-flavour/
Published: September 2, 2026 18:16
There’s an Argentinian game called La Mágica Aventura del Cine or (The Magical Movie Adventure in English language release) which has animations in ordinary and custom FLI format. The files are hidden inside large resource files along with .voc and other…
Knowledge Adventure movie v2/v3 done
https://codecs.multimedia.cx/2026/08/knowledge-adventure-movie-v2-v3-done/
Published: August 31, 2026 15:01
I’ve finally finished adding Knowledge Adventure movie v2/v3 support to na_game_tool—just a couple of formats more and I can make a release. Meanwhile I want to talk about what I discovered. First of all, the original format still looks too hard to…
SBV, an unusual game codec
https://codecs.multimedia.cx/2026/08/sbv-an-unusual-game-codec/
Published: August 24, 2026 15:52
While I’m still preparing next na_game_tool release (still a couple of codecs to RE and implement!), I’ve finally encountered a very rare beast—wavelet game video codec! Gunmetal features SBV format with the minimum header (frame table contains just…
Again on Knowledge Adventure MOV
https://codecs.multimedia.cx/2026/08/again-on-knowledge-adventure-mov/
Published: August 14, 2026 17:24
While I have time I’m preparing the next release of na_game_tool, which involves REing formats (of course!). And among the formats I want to add is Knowledge Adventure MOV. So I’ve revisited it and RE’d one of the flavours. Apparently there are three…
Looking for a job (again)
https://codecs.multimedia.cx/2026/08/looking-for-a-job-again/
Published: August 10, 2026 10:34
Pre script: I’ll try to keep this post above the rest for obvious reasons and you should find newer posts about the usual stuff below. For circumstances out of our control I don’t have a job any more (after sixteen years of it) and I’m completely free…
A bit about Pälzisch Dialekt
https://codecs.multimedia.cx/2026/08/a-bit-about-paelzisch-dialekt/
Published: August 4, 2026 13:08
I semi-jokingly say that that Alsace deserves to be called Südpfalz since the cultural border there is not clear unlike the country borders. And I mentioned back in the day that a lot of places in central Rheinland-Pfalz (or Rheinland-Palatinate if you…
Micro Wavelet: done
https://codecs.multimedia.cx/2026/07/micro-wavelet-done/
Published: July 24, 2026 15:53
So I’ve finally implemented NeXT Micro Wavelet decoder (and updated git bundles on the site while at it) and the codec turned out to be even more interesting than on the first glance. The codec itself consists of three distinct phases: using delta…
Another weird format
https://codecs.multimedia.cx/2026/07/another-weird-format/
Published: July 17, 2026 14:11
Just couple of years ago I had a small rant about German RLE-based codecs named *PEG. Recently I’ve discovered yet another pointless format called NPEG. Unlike the rest it’s Polish, targets Amiga instead of DOS and it’s essentially MPEG-1 frames stored in…
OMGperformance
https://codecs.multimedia.cx/2026/07/omgperformance/
Published: July 10, 2026 17:09
I use my own player for playing videos. It’s not very optimised (video frame decoded with VA-API gets downloaded to my own frame structure in main RAM, which gets uploaded to SDL texture and only then displayed—the proper way is to allocate EGL texture…
A bit about next micro codec
https://codecs.multimedia.cx/2026/07/a-bit-about-next-micro-codec/
Published: July 7, 2026 16:14
Some time ago I mentioned that I’d stumbled upon a QuickTime sample encoded on NeXT using MicroWavelet codec which was used only there. I also expressed a regret of it being completely lost to time. And what do you know, it’s yet another situation where…