[FFmpeg-user] -istoffset and -vcodec copy

[Carl Eugen Hoyos]

Jonathan Addleman <jono <at> redowl.ca> writes:

> With the 'veryslow' preset, the results are abysmal - nasty artifacts 
> everywhere. Utterly unusable.

You have to either define a low constant quantiser or a target bitrate.

[...]

> version 0.7.2-4:0.7.2-1ubuntu1, Copyright (c) 2000-2011 the Libav developers

This is known to be severely broken, please see http://ffmpeg.org/download.html
to know how to get supported FFmpeg versions, preferable current git head.

Carl Eugen