How to check if element supports transformation

[Edgar Thier]

Hi,

I am looking for a way to check if certain transformations are supported by an element without starting a pipeline.

GstQuery does not seem to support this.
Manually trying to access transform_caps seems weird.

Is there a way to see what caps I can use as input for given output caps or is trying to access transform_caps my best hope?

Thanks,

Edgar

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