Starlight Fast 2

Third-party

Topaz Labs Starlight Fast 2 (slf-2) enhances and upscales source video to 1080p or 4K with faster processing than Starlight Precise. It is designed for video restoration workflows where turnaround time is important.

Model Info
More information	link ↗
Pricing	Per provider unit$0.12

Usage

const response = await env.AI.run(
  'topaz/starlight-fast-2',
  {
    end_index: 120,
    frame_count: 150,
    frame_rate: 29.97,
    source_container: 'mp4',
    source_height: 360,
    source_width: 640,
    start_index: 0,
    target_resolution: '1920x1080',
    upscaling_factor: 2,
    video_uri:
      'https://replicate.delivery/pbxt/PetLEVcclEkT5H9A3tYETZyAMT5GE2Sa4m6sQqPDpj8vgHga/animatediff.B572L3lv.mp4',
  },
)
console.log(response)

curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \
  --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
  --header "Content-Type: application/json" \
  --data '{
  "model": "topaz/starlight-fast-2",
  "input": {
    "end_index": 120,
    "frame_count": 150,
    "frame_rate": 29.97,
    "source_container": "mp4",
    "source_height": 360,
    "source_width": 640,
    "start_index": 0,
    "target_resolution": "1920x1080",
    "upscaling_factor": 2,
    "video_uri": "https://replicate.delivery/pbxt/PetLEVcclEkT5H9A3tYETZyAMT5GE2Sa4m6sQqPDpj8vgHga/animatediff.B572L3lv.mp4"
  }
}'

{
  "state": "Completed",
  "result": {
    "video": "https://examples.aig.cloudflare.com/topaz/starlight-fast-2/fast-video-enhancement.mp4"
  },
  "gatewayMetadata": {
    "keySource": "Unified"
  }
}

Parameters

video_uri

stringrequiredformat: uriHTTPS URI of the source video to enhance

source_container

stringrequiredenum: 3gp, avi, dv, flv, m1v, m2t, m2ts, m2v, m4v, mkv, mov, mp4, mpeg, mpg, mts, mxf, ser, ts, vob, webm, wmvContainer format of the source video

source_width

integerrequiredexclusiveMinimum: 0maximum: 9007199254740991Width of the source video in pixels

source_height

integerrequiredexclusiveMinimum: 0maximum: 9007199254740991Height of the source video in pixels

frame_count

integerrequiredexclusiveMinimum: 0maximum: 9007199254740991Total frame count of the source video (used by Topaz for credit estimation)

frame_rate

numberrequiredexclusiveMinimum: 0Frame rate of the source video in frames per second (e.g. 29.97)

target_resolution

stringrequireddefault: 1920x1080enum: 1920x1080, 3840x2160Target output resolution

upscaling_factor

numberrequireddefault: 1minimum: 1maximum: 8Output resolution multiplier relative to the source video

start_index

integerrequireddefault: 0minimum: 0maximum: 9007199254740991First source frame to process

end_index

integerrequireddefault: 1000000minimum: 0maximum: 9007199254740991Last source frame to process

video

stringformat: uriURL to the enhanced video

API Schemas (Raw)

Input

Output