Philip Langdale (2018-02-21): > As part of achieving our YUVJ-free future, it needs to be possible > to pass the colour range property from a decoder context to an > encoder context. In the absence of filters, this is obviously > trivial, but as soon as filters are introduced, there needs to > be a way to pass and preserve the property (or modify it, as > some filters will do). > > Based on existing properties of this type, this change adds a > link property and ways to set it from a buffer source and get it > from a buffer sink.
I am not sure when I will be able to give a close look at the code, so I make my general comment immediately: Are you sure this is a property that must be forwarded and not negotiated? You seem to say that encoders may support a limited set of ranges. It looks like the range should be constrained by the output, like the pixel format, and negotiated on the chain to insert a conversion filter if necessary. But I am not familiar with color ranges. I just want to make sure you have considered the question. Regards, -- Nicolas George
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