[Cin] fileexr/fileppm direct copy support

[Andrew Randrianasulu]

чт, 27 окт. 2022 г., 22:21 Phyllis Smith <phylsmith2017 at gmail.com>:

> But this worked for me to speed up the render (to me, it is
> incomprehensible as to why though)
>
> try to select part of timeline , add effect to it, and render into new
>> sequence of same type. With patch you should see speedup.
>>
> Doing the above made no difference for me in speed.
> BUT doing the  below worked for me almost immediately to speed up the
> render (to me, it is incomprehensible as to why though).  I have to do more
> tests until I make sure I am not making a mistake.
>


well, theory is rendering pipeline can pull already compressed input frame
and pass it unchanged to output, saving on cpu if there was no processing,
on per-frame basis.....


I did little patch for cin-cv making this Performance preference checkbox,
so hopefully next month I'll do the same for cin-gg. (I hope I'll able to
put checkbox near 'cache transitions' one)

>
> try to render first exr sequence (from any source) . Set EXR compression
>> to some cpu intensive choice.
>>
>>
>> Then load this sequence and in rendering dialog only change name of
>> sequence, so it will create new set of images.
>>
>>
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