[FFmpeg-user] Problem with -vf fillborders on 16 bit image

[Paul B Mahol]

On 3/9/19, Ulf Zibis <Ulf.Zibis at gmx.de> wrote:
>
> Am 09.03.19 um 00:18 schrieb Paul B Mahol:
>> On 3/8/19, Ulf Zibis <Ulf.Zibis at gmx.de> wrote:
>>
>>
>> tiff is encoded with alpha, which is not initially available. Filter
>> is working fine.
> I do not really understand this argumentation, but this is not my main
> interest.
>
> It like to try some tweaks with fillborders filter, so I need some
> 16-bit per plane images for testing. Can you help me with that?
>
> Another question is, why the fillborders doesn't check if the input is
> writable, as suggested in doc/writing_filters.txt.
>

Because it request writtable frames.

> -Ulf
>
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