DOS ain't dead

Dualcore library for DJGPP (Announce)

posted by FFK , 01.07.2026, 23:07

> I thought the reason FFMPEG 6.0 couldn't be ported to DOS is that it
> requires pthreads and that this was previously "impossible" in DOS. There
> is no pthreads binary in DOS. Your idea of offloading the actual h.264
> decoding onto a second core and doing the video stuff on the first core
> should speed up DUGL player a lot.

You can find djgpp pthread port under https://www.delorie.com/pub/djgpp/current/v2tk/fpth314b.zip but it's limited to a single CPU core.
Already FFMPEG 5.x support multi-threaded video decoding, but require a true multi-core pthread lib else it will be slower than using single core for decoding.

Complete thread:

• Dualcore library for DJGPP - RayeR, 26.06.2026, 17:46 (Announce)
  • Dualcore library for DJGPP - Laaca, 26.06.2026, 21:38
  • Dualcore library for DJGPP - Japheth, 27.06.2026, 05:27
    • Dualcore library for DJGPP - RayeR, 28.06.2026, 02:14
      • Dualcore library for DJGPP - Japheth, 29.06.2026, 05:06
      • Dualcore library for DJGPP - FFK, 30.06.2026, 18:40
        • Dualcore library for DJGPP - RayeR, 01.07.2026, 13:39
        • Dualcore library for DJGPP - Zyzzle, 01.07.2026, 22:09
          • Dualcore library for DJGPP - FFK, 01.07.2026, 23:07
  • Dualcore library for DJGPP - does edge_pr.exe work? - RayeR, 06.07.2026, 05:06
    • Dualcore library for DJGPP - does edge_pr.exe work? - Zyzzle, 07.07.2026, 10:08
      • Dualcore library for DJGPP - does edge_pr.exe work? - RayeR, 25.07.2026, 05:41