ComfyUI Node
Mpi Upscale Video
Upscale a video file straight to an .mp4 by scale_by, audio kept: through an upscale model then lanczos, or lanczos alone. Decodes, upscales and encodes a frame at a time, so RAM stays flat on any clip length (Load Video + Upscale Image (using Model) + Save Video hold every 4x frame in RAM at once). Same pixels as that chain. `string` (a file inside input/, output/ or temp/) is tried first, then the picker. Outputs the written mp4's path.
Mpi Upscale Video
- upscale_model
- video_path
◄video▾►
◄scale_by2.00►
◄use_modelfalse►
◄filename_prefixMpiVideo►
◄string►
CategoryMpiNodes/Video
Inputs (6)
| Name | Type | Default | Description |
|---|---|---|---|
| video | COMBO | Pick a video, or use the upload button; the file goes into ComfyUI's input/ folder. Used when string is empty or does not load; None picks nothing. | |
| scale_by | FLOAT | 2.000.01–8 | Final size = source size x scale_by, whatever the model's own scale. |
| use_model | BOOLEAN | false | On: each frame goes through upscale_model, then lanczos to the final size. Off: lanczos only, the model is never loaded. |
| filename_prefix | STRING | MpiVideo | — |
| stringopt | STRING | File name inside ComfyUI's input/ folder, with its subfolder if it has one (an absolute path must be inside input/, output/ or temp/). Tried first; if it is empty or does not load, the picker is tried. Nothing loads only when both fail (picker on None). | |
| upscale_modelopt | UPSCALE_MODEL | — |
Outputs (1)
| Name | Type | Description |
|---|---|---|
| video_path | STRING | — |