[FFmpeg-user] v360 expressions

Michael Koch astroelectronic at t-online.de
Tue Feb 25 12:03:48 EET 2020

Am 25.02.2020 um 10:40 schrieb Paul B Mahol:
> On 2/25/20, Michael Koch <astroelectronic at t-online.de> wrote:
>> Paul,
>>> On 2/19/20, Michael Koch <astroelectronic at t-online.de> wrote:
>>>> Hi,
>>>> would it be possible to allow expressions for the yaw, pitch and roll
>>>> parameters in the v360 filter? I have a project where I need these
>>>> angles to be a function of time.
>>> Nope, would make filter 10x times slower.
>> Would it always slow down the filter, or only if these expressions are
>> actually a function of time?
>> Some nice effects would be possible when the angles and/or field of view
>> could be functions of time.
>> A "eval" option (like in "eq" filter) could be added to specify when to
>> evaluate the expressions, and the default would be "init" for fast
>> processing.
> Eval is evil. It is not gonna be added.

And what about sendcmd / commands?


More information about the ffmpeg-user mailing list