[FFmpeg-user] Video with copyright

[Carl Eugen Hoyos]

Massimo Battistel <battistel <at> gmail.com> writes:

> > Why are you adding -async 1000 ?
>
> To make sure sample count in packet will match 
> packet DTS/PTS/Duration.

Allow me to rephrase:
Is there a problem with the output file if you don't 
use -async 1000?
(I suspect that you misunderstand the option but I 
may simply miss your intentions.)

Carl Eugen