[FFmpeg-devel] [PATCH] lavfi/vf_extractplanes: set input formats to reduce conversions.

[Nicolas George]

L'octidi 18 floréal, an CCXXI, Paul B Mahol a écrit :
> Nope, this is wrong way how to do this, it complicates code for no gain.
> 
> Why would filter accepts only formats that do not need conversion?

This is caused by two specific properties of this filter:

First, its behaviour is highly dependant on the input format, therefore
making automatic conversions unwanted.

Second, it is very picky about the formats it supports (in the RGB case),
therefore making automatic conversions likely.

Of course, it all depends on how we want the filter to behave; this is not a
technical question, it is an usability one.

> This is again wrong.

Please avoid message whose sole content is "this is wrong", it is rarely
useful.

Regards,

-- 
  Nicolas George
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