Mon Jan 29, 2018 9:59 pm
Hello,
We're trying to use a scenario where we need to use the internal keyer to composite the frames for us. Unfortunately, this has sent us down a rabbit hole, with the primary issues being:
[*] When in high frame rate UHD modes, there are no pixel formats that support alpha (only YUV 4:2:2). What format are we supposed to send the frame in?
[*] When turning on the internal keyer in a high frame rate UHD mode, we get vertical lines across the image as if the stride of the pixel format is incorrect.
So my question is: Does the internal keyer work in high frame rate UHD / 4K DCI mode? If so, what format are we expected to submit to the hardware? I've noticed the included LiveKey program does not seem to support these high resolutions / framerates.
Thanks.