It seems you just want a video decoder, isn’t vlc being able to do that ?

> Le 27 juil. 2016 à 18:24, Paweł Goliński <golp...@gmail.com> a écrit :
> 
> Hi,
> 
> I want to pass as much of rescaling/resampling/color conversion tasks
> to my consumer as I can. So, when calling, e.g. mlt_frame_get_image()
> for image, I want to use parameters that guarantee the least number of 
> implicit
> conversions will take place, as I can take care of them in my consumer. What’s
> the best way to do that? Is there some way to ask a „loader" producer to 
> produce
> „the most native” frame possible?
> 
> Example - when I pass „mlt_image_rgb24a” to mlt_frame_get_image(), the MLT
> loader producer does its best to produce what I want, so on some video sources
> there is an implicit y420->rgba conversion. But my consumer could handle y420
> as well, so I could avoid this conversion. Question is, how to know which 
> format
> to request, to avoid such conversion?
> 
> 
> Best,
> Paweł
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————
Christophe Thommeret


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