KlingOmniProFirstLastFrameNode - ComfyUI Built-in Node Documentation

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This node uses the Kling AI model to generate a video. It requires a starting image and a text prompt. You can optionally provide an ending image or up to six reference images to guide the video’s content and style. The node processes these inputs to create a video of a specified duration and resolution.

Inputs

Parameter	Data Type	Required	Range	Description
`model_name`	COMBO	Yes	`"kling-video-o1"`	The specific Kling AI model to use for video generation.
`prompt`	STRING	Yes	-	A text prompt describing the video content. This can include both positive and negative descriptions.
`duration`	INT	Yes	3 to 10	The desired length of the generated video in seconds (default: 5).
`first_frame`	IMAGE	Yes	-	The starting image for the video sequence.
`end_frame`	IMAGE	No	-	An optional end frame for the video. This cannot be used simultaneously with `reference_images`.
`reference_images`	IMAGE	No	-	Up to 6 additional reference images.
`resolution`	COMBO	No	`"1080p"` `"720p"`	The output resolution for the generated video (default: “1080p”).

Important Constraints:

The end_frame input cannot be used at the same time as the reference_images input.
If you do not provide an end_frame or any reference_images, the duration can only be set to 5 or 10 seconds.
All input images (first_frame, end_frame, and any reference_images) must have a minimum dimension of 300 pixels in both width and height.
The aspect ratio of all input images must be between 1:2.5 and 2.5:1.
A maximum of 6 images can be provided via the reference_images input.
The prompt text must be between 1 and 2500 characters in length.

Outputs

Output Name	Data Type	Description
`output`	VIDEO	The generated video file.

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