On 15.04.2012 12:16, Krzysztof Duchnowski wrote: > On 15.04.2012 11:20, Mathieu Westphal wrote: >> I'm quite sure it is impossible to do without reencoding. >> >> Anyway i don't know if it's even possible. 180° rotation is done with -vf mirror,flip I also think there's no way without re-encoding. Greets, Kiste