[FFmpeg-user] v360 expressions
Paul B Mahol
onemda at gmail.com
Tue Feb 25 12:16:25 EET 2020
On 2/25/20, Michael Koch <astroelectronic at t-online.de> wrote:
> 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?
>
Will look into adding it.
> Michael
>
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