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DUGL Player 1.0 Alpha1 (Announce)

posted by FFK Homepage, 01.03.2026, 17:58

> I don't think that multithreading DOS would be necessary for such
> application. It's not so complicate to program APIC to start more CPU cores
> and there is a demo code to do this for many years (by Michael Choudarkis
> or so?) but there was not real usage in DOS/nobody wanted to mess with it.
> I think that a video decoding/player is a typical application that can
> benefit from SMP and if you have time to mess with it can be done. You can
> offload some computing functions to other cores which wouldn't need to call
> DOS/BIOS services - this would very simplify things as DOS/BIOS wouldn't
> need to know that anything else is running on other cores. I think that you
> just allocate some memory for code and buffers, start some decoding
> functions on cores and in main thread poll when decoding done. I think that
> ffmpeg use pthreads or such library so you would need to write some wrapper
> for it that may be the harder part...
could be interesting idea for DOS DUGL to create several static rendering cores and harcode linking each render core with a CPU core if it exist.
But honestly I prefer a generic PThread lib SMP aware, with a scheduler that distribute charge over available cores. This will make DUGL DWorker concept (layer over pthread) SMP aware too, so any soft using it become SMP aware.

>
> BTW playing youtube would be hell-endless fighting with google
> anti-downloading. Have a look at youtube downloader project what they have
> to challenge (e.g. running some javascr*** crap) and how often they need to
> do some changes to keep it working.
yes it's an endless challenge with youtube. but what about tcp streams ? could cuurent DJGPP FFMPEG do it, does it rely on WATTCP ?

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