for whatever the fuck the reason was, telegram live stream decided that "it's a good idea to use yuv420p(tv)" than the full range

now you don't need to wonder why tf a text is flickering ⬅️ this crab is due to progressive video

Telegram STRETCHED le video to 16:9 no matter what. Lmao

video is doing well except audio for idk why

today i learned:

if you wanna use libav to livestream to rtmp, better use veryfast preset than ultrafast