[FFmpeg-devel] New filter: remap?

[Paul B Mahol]

On 2/26/16, Thilo Borgmann <thilo.borgmann at mail.de> wrote:
> Am 25.02.16 um 22:24 schrieb F.Sluiter:
>> If it doesn exist I would like to develop a new filter and would like to
>> check if nobody is already working on it or that it exists under a
>> different name.
>>
>> I have been researching the following usecase:
>>
>> Similar tot the displace filter, I would need a filter to remap pixels
>> (the
>> difference being that displace displaces the pixels relative to where it
>> was, remap would specify where the target pixel originates from):
>>
>> Description: Remap pixels as indicated by second and third input stream.
>>
>> It takes three input streams and outputs one stream, the first input is
>> the
>> source, and second and third input are targetmaps. The second and third
>> input specifies the x.y coordinate where the pixel in the target stream
>> originates from. Note that once generated, remap files can be reused over
>> and over again. Source and target do not have to have the same size.
>> The effect I am trying to achieve is hard to compute with the relative
>> "displace", and a lot more straightforward with "remap".
>
> Why not extend the displace filter to act relative/absolute based on a
> parameter?

Displace works on pixels components, I guess OP wants to work only with pixels.