the keyer supports alpha-blending. You can not control the compositing
rectangle. Rather, the entire MLT output overlays the entire video
input. Therefore, you must use MLT's compositing services to control
- the size and position.
+ the size and position. The value 1 enables the internal keyer, the
+ value 2 enables the external keyer, and the value 0 disables it.
readonly: no
required: no
mutable: no
default: 0
minimum: 0
- maximum: 1
- widget: checkbox
+ maximum: 2
- identifier: keyer_level
title: Key Opacity
maximum: 1
default: 1
widget: slider
+
+ - identifier: devices
+ title: Number of devices
+ type: integer
+ readonly: yes
+ minimum: 0
+
+ - identifier: device.*
+ title: Device model
+ description: The model name of each device that provides output.
+ type: string
+ readonly: yes