LTX Video Reframe - ComfyUI Built-in Node Documentation

Reframes a video to a new resolution and aspect ratio. The area outside the original video is generated to match its content, so a portrait clip can become a landscape one or the reverse.

Inputs

Parameter	Description	Data Type	Required	Range
`video`	Video to reframe, up to 60 seconds and 1800 frames, with each side between 64 and 4096 pixels.	VIDEO	Yes	-
`resolution`	Output size and aspect ratio, at 720p or 1080p. Default: `"(1080p) 1080x1920 (9:16)"`.	COMBO	Yes	`"(720p) 720x720 (1:1)"` `"(720p) 720x900 (4:5)"` `"(720p) 900x720 (5:4)"` `"(720p) 720x1280 (9:16)"` `"(720p) 1280x720 (16:9)"` `"(1080p) 1080x1080 (1:1)"` `"(1080p) 1080x1350 (4:5)"` `"(1080p) 1350x1080 (5:4)"` `"(1080p) 1080x1920 (9:16)"` `"(1080p) 1920x1080 (16:9)"`
`placement`	Where the original video sits in the new frame. The video always fills one side of the frame, so an anchor moves it along the other side only. Default: `"center"`.	DYNAMIC_COMBO	Yes	`"center"` `"top"` `"bottom"` `"left"` `"right"` `"custom"`
`seed`	Controls whether the node re-runs; results are non-deterministic regardless of the seed. Default: 42.	INT	No	0 to 4294967295

Placement “custom” Inputs

Parameter	Description	Data Type	Required	Range
`x`	Left edge of the video as a fraction of the output width. Default: 0.25.	FLOAT	No	0.0 to 0.99 (step 0.01)
`y`	Top edge of the video as a fraction of the output height. Default: 0.25.	FLOAT	No	0.0 to 0.99 (step 0.01)
`width`	Width of the video as a fraction of the output width; the height follows the video’s aspect ratio. The video must stay inside the frame and can be enlarged at most 2x. Default: 0.5.	FLOAT	No	0.01 to 1.0 (step 0.01)

Outputs

Output Name	Description	Data Type
`video`	The reframed video.	VIDEO

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