Sorry for the long long time
Deckling 8k Pro works really fine with CasparCG
the channels needs to be linked in Blackmagic tool 1&2 and 3&4
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<paths>
<media-path>media\</media-path>
<log-path>log\</log-path>
<data-path>data\</data-path>
<template-path>templates\</template-path>
<thumbnails-path>thumbnails\</thumbnails-path>
</paths>
<channels>
<channel>
<video-mode>1080i5000</video-mode>
<consumers>
<decklink>
<device>1</device>
<embedded-audio>true</embedded-audio>
<channel-layout>stereo</channel-layout>
<latency>normal</latency>
<keyer>external</keyer>
<key-only>false</key-only>
<buffer-depth>3</buffer-depth>
</decklink>
<system-audio />
</consumers>
</channel>
<channel>
<video-mode>1080i5000</video-mode>
<consumers>
<decklink>
<device>2</device>
<embedded-audio>true</embedded-audio>
<channel-layout>stereo</channel-layout>
<latency>normal</latency>
<keyer>external</keyer>
<key-only>false</key-only>
<buffer-depth>3</buffer-depth>
</decklink>
<system-audio />
</consumers>
</channel>
<channel>
<video-mode>576p2500</video-mode>
<consumers>
<screen>
<device>1</device>
<windowed>true</windowed>
<key-only>false</key-only>
<name>[Preview]</name>
<borderless>false</borderless>
</screen>
<system-audio />
</consumers>
</channel>
</channels>
<controllers>
<tcp>
<port>5250</port>
<protocol>AMCP</protocol>
</tcp>
</controllers>
</configuration>