YouTube under Windows XP - Downloaders, players and browser support

[nicolaasjan]

9 hours ago, AstroSkipper said:

On older hardware, the video format avc1 is no option. That's why my script uses h264.

Do you mean AV1?

https://en.wikipedia.org/wiki/AV1

AVC1:

https://en.wikipedia.org/wiki/Advanced_Video_Coding

Quote

Advanced Video Coding (AVC), also referred to as H.264 or MPEG-4 Part 10, is a video compression standard based on block-oriented, motion-compensated coding.^[2] It is by far the most commonly used format for the recording, compression, and distribution of video content, used by 79% of video industry developers as of December 2024.^[3] It supports a maximum resolution of 8K UHD.^[4][5]

BTW, my latest version of yt-dlp is 2026.06.14