workflows/workflow_chronos_video_fps.json

{
  "last_node_id": 4,
  "last_link_id": 3,
  "nodes": [
    {
      "id": 1,
      "type": "VHS_LoadImagesPath",
      "pos": [40, 80],
      "size": [340, 340],
      "outputs": [
        {"name": "IMAGE",     "type": "IMAGE",   "links": [1], "slot_index": 0},
        {"name": "frame_count","type": "INT",    "links": null, "slot_index": 1}
      ],
      "widgets_values": {
        "directory": "/workspace/ComfyUI/input/video_frames/",
        "image_load_cap": 0,
        "skip_first_images": 0,
        "select_every_nth": 1
      }
    },
    {
      "id": 2,
      "type": "TopazChronosVideoFpsUp",
      "pos": [420, 80],
      "size": [360, 220],
      "inputs": [
        {"name": "frames", "type": "IMAGE", "link": 1}
      ],
      "outputs": [
        {"name": "IMAGE", "type": "IMAGE", "links": [2], "slot_index": 0}
      ],
      "widgets_values": [
        "chf-v3-fp16-480x384-ox.onnx",
        2,
        true
      ]
    },
    {
      "id": 3,
      "type": "VHS_VideoCombine",
      "pos": [820, 80],
      "size": [380, 380],
      "inputs": [
        {"name": "images", "type": "IMAGE", "link": 2}
      ],
      "widgets_values": {
        "frame_rate": 48,
        "loop_count": 0,
        "filename_prefix": "topaz_chronos_fps",
        "format": "video/h264-mp4",
        "pingpong": false,
        "save_output": true
      }
    }
  ],
  "links": [
    [1, 1, 0, 2, 0, "IMAGE"],
    [2, 2, 0, 3, 0, "IMAGE"]
  ],
  "groups": [],
  "config": {},
  "extra": {
    "comment": "factor=2 doubles FPS (one interp per pair, t=0.5). Set factor=4 to quadruple (t=0.25/0.5/0.75). Output frame_rate should match source_fps * factor."
  },
  "version": 0.4
}