Keys and DSKs¶
Upstream keyers take the keyer number first, then what to do with it;
downstream keyers take --dsk N (1 when left out).
$ bmdctl usk 1 fill cam3
STUDIO A PGM CAM2 · PVW CAM3
usk 1 fill CAM4 → CAM3 21 ms
$ bmdctl usk 1 on-air on
STUDIO A PGM CAM2 · PVW CAM3
usk 1 on-air off → on 22 ms
$ bmdctl dsk fill mp1
STUDIO A PGM CAM2 · PVW CAM3
dsk fill MP2 → MP1 20 ms
$ bmdctl dsk key mp1k
STUDIO A PGM CAM2 · PVW CAM3
dsk key MP2K → MP1K 19 ms
$ bmdctl dsk auto
STUDIO A PGM CAM2 · PVW CAM3
dsk auto off → on sent
$ bmdctl show keys
STUDIO A PGM CAM2 · PVW CAM3 · keys
ME 1 1 luma CAM3 / CAM3 premultiplied on air
2 luma MP1 / MP1K clip 0 gain 0 off
3 luma MP1 / MP1K clip 0 gain 0 off
4 luma MP1 / MP1K clip 0 gain 0 offusk 1 toggleanddsk toggleflip on air;usk 1 on-air offanddsk on-air offtake a key off.usk 1 type --type chroma, thenusk 1 chroma,usk 1 luma,usk 1 patternandusk 1 dveset each key type's settings;usk 1 maskanddsk maskthe masks.- A key can ride the next transition instead of cutting on:
transition next --next background,key1, thenauto. dsk autoanddsk toggle --dsk 2work on the second DSK.