[FFmpeg-user] color duration

[John de la Garza]

On Wed, Jan 23, 2013 at 11:06:33PM +0000, Liam Condron-Farnos wrote:
> You're not specifying a duration for the aevalsrc, and so it is giving an
> infinite length.
> 
> Try using `aevalsrc=0:d=5`. Alternatively, use `-shortest`.

Thanks, now I understand

is there any disadvantage to just use one -t 5 instead of 
turn off the sources?