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

Ulf Zibis Ulf.Zibis at gmx.de
Mon Mar 11 21:05:14 EET 2019

Am 09.03.19 um 10:58 schrieb Carl Eugen Hoyos:
> 2019-03-09 10:44 GMT+01:00, Ulf Zibis <Ulf.Zibis at gmx.de>:
>> Which format should I use with option -f ?
> You should never need the option -f (except when reading
> raw g.729 and similar rare raw formats), what did you try?
When I use
$ ffmpeg -i 16.jpg -vf fillborders=25:25:25:25:mirror 16_mirror-25.jpg
then the output is 8-bit rgb.

>> The files from ticket #503 are only gray,
> Yes.
>> and the JPEG's from ticket #855 seem corrupted
> They are not corrupted as you can easily test with FFmpeg.
> (The way I understood your question you asked for 16bit
> images that can be read with FFmpeg, not for 16 bit
> images that can be read with other software which is
> much more difficult.)

Thanks again for the hints, I now can use these picts for my testing.


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