I am using GNU/Linux(Arch Linux), and i need to transcode some videos from .avi/.mov to .webm.
I don't have the original file for most videos, only the "very compressed" .avi, and i can't loose any quality (i will replace the older video, with the transcode). How can i do it?
I already tried ffmpeg (with "ffmpeg -i file.avi file.webm", but it reduces quality) and VLC (the video goes perfect, but the audio goes out of sync (I have "synchronize on audio track" on, but there is no improvement).)
I also tried many other programs like "Transmaggedon", "Arista", "Sinthgunt", "winFF" and "Handbrake" without good results(or results at all).
Thanks for your support