DAVS2(1)

📦
version 1.6 · 2 versions
, in ubuntu jammy

💖 DAVS2 — like, the manual, but make it cute 💖

okay so bestie, gather round, because today we're talking about davs2, and it's literally the AVS2 (IEEE 1857.4) decoder — that's the manual name in the corner, DAVS2(1), which means it lives in the User Commands section, iykyk. 🦋

No cap, this thing decodes AVS2 bitstreams and hands you back raw video files, and once you know the flags you're gonna be unstoppable. Periodt. 👑

✨ SYNOPSIS ✨

davs2 -i avs2file -o outputfile [-r recfile] [-t threads] [-v]

see how the -i and -o are the main character here? everything else is optional, but those two? they're the moment. 🎀

🌸 OPTIONS 🌸

okay this is the part you actually came for, so let's get into it, one flag at a time, no skipping, I would never do that to you 💜

  • --input=test.avs, -i test.avs — the path to your input bitstream file. this is where the video is coming from, bestie, you gotta tell it. 📥
  • --output=dec.yuv, -o dec.yuv — the path where the output YUV/Y4M file gets written. this is your decoded baby being born into the world. 🍼
  • --psnr=rec.yuv, -r rec.yuv — the reference reconstruction YUV file. give it one of these if you wanna compare, it's giving quality-check energy. 🔍
  • --threads=N, -t N — how many threads to use for decoding. the default is 1, so if you want it to go fast fast, you gotta say so. 🔥
  • --md5=M, -m M — the reference MD5 of the decoded YUV. drop one in and it'll have something to match against. 🧚
  • --verbose, -v — turns on decoding status for every single frame. every frame!! she's chatty and I respect it. 📣
  • --help, -h — shows you this instruction. the classic "help me help you" flag, iconic behavior. 🫶
ngl, -i and -o are doing the heavy lifting here — everything else is just vibes and fine-tuning. but don't sleep on -t, because 1 thread is lowkey a slow walk. 💀

🌈 a lil sign-off 🌈

this whole thing is davs2 version 1.6, and it was documented back in April 2021, so if you're reading this in the future: yes, she's vintage, and yes, she still slays. 💅✨

go decode something gorgeous. mwah. 💖🦋🌸

📦 where this page comes from