Starlight Fast 2

video-to-video • topaz

topaz/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.

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 Open Download

Output Open Download

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Docs

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description: Topaz Labs Starlight Precise 2.6 (slp-2.6) is a video enhancement model that upscales and restores low-quality source video to 1080p or 4K. The quality-focused variant of the Starlight family, prioritizing detail reconstruction over speed. Billed using provider-reported processing credits. title: Starlight Precise 2.6 image: https://developers.cloudflare.com/og-docs.png

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