LTX Video SDR to HDR - ComfyUI Built-in Node Documentation

Converts an SDR video into a 10-bit HDR video in BT.2020 with the HLG transfer function, at the same resolution. Audio is not kept.

Inputs

Parameter	Description	Data Type	Required	Range
`video`	SDR video to convert, at most 3840x2160 in either orientation. Up to 273 frames at 1080p, 193 frames at 1440p and 65 frames at 4K.	VIDEO	Yes	-
`seed`	Controls whether the node re-runs; results are non-deterministic regardless of the seed. Default: 42.	INT	No	0 to 4294967295

Output Name	Description	Data Type
`video`	The converted 10-bit HDR video, without audio.	VIDEO

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