[FFmpeg-devel] [PATCH]lavd/decklink_dec: Do not claim to output transparency information

Matthias Hunstock atze at fem.tu-ilmenau.de
Thu Oct 5 14:26:39 EEST 2017

Am 02.10.2017 um 18:34 schrieb Marton Balint:
> Yeah, you can capture both at the same time, and one signal might be
> key, other might be fill, but as far as I know the driver will not
> merge these two signals behind the scenes to one single input with an
> alpha channel. 

Is there a video filter for splitting RGBA->key/fill or joining key/fill
-> RGBA? Then an example in the docs would be helpful, though I'm not
sure if the two streams will be perfectly synchronized.


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