[FFmpeg-user] Strange results with delogo filter, maybe a bug

James Darnley james.darnley at gmail.com
Tue Aug 26 12:43:53 CEST 2014

On 2014-08-26 10:58, Moritz Barsnick wrote:
> On Tue, Aug 26, 2014 at 10:23:56 +0200, Moritz Barsnick wrote:
>> you are seeing, and the delogo filter isn't at fault. Except perhaps
>> for the reason that it only accepts these pix_fmts:
>> yuv444p, yuv422p, yuv420p, yuv411p, yuv410p, yuv440p, yuva420p, gray8
> Repeat disclaimer: I have _absolutely no idea_ what I'm doing!
> Nevertheless, if I patch the delogo filter to accept rgb24 and retest,
> I detect only a very minor difference when inspecting with the
> "compare" tool. (There's also a minor visual difference.)

Did you try adding yuvj420p?  What about the other yuvj* "colourspaces"?

I'm not familiar the filter at all but using interleaved RGB data could
be very wrong if it treats neighbouring samples as separate pixels.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 618 bytes
Desc: OpenPGP digital signature
URL: <https://ffmpeg.org/pipermail/ffmpeg-user/attachments/20140826/009e8a09/attachment.asc>

More information about the ffmpeg-user mailing list