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SnapOtterandGitHub
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Shared Claude Code translation pipeline (scripts/i18n, no API key) plus Astro/VitePress/Scalar i18n wiring. Landing and API reference translated into all 20 languages; docs i18n wiring + English source anchors. The translated docs markdown (apps/docs/<locale>/**, 3,620 files) follows in a companion PR because it exceeds GitHub's per-PR CI file limit.
47 lines
1.4 KiB
Markdown
47 lines
1.4 KiB
Markdown
---
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description: Speed up or slow down a video.
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---
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# Video Speed {#video-speed}
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Speed up or slow down a video with an option to preserve audio pitch.
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## API Endpoint {#api-endpoint}
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`POST /api/v1/tools/video/video-speed`
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Accepts multipart form data with a video file and a JSON `settings` field.
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## Parameters {#parameters}
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| Parameter | Type | Required | Default | Description |
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|-----------|------|----------|---------|-------------|
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| factor | number | No | `2` | Speed multiplier (0.25-4). Values above 1 speed up, below 1 slow down |
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| keepPitch | boolean | No | `true` | Preserve audio pitch when changing speed |
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## Example Request {#example-request}
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```bash
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curl -X POST http://localhost:1349/api/v1/tools/video/video-speed \
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-H "Authorization: Bearer si_your-api-key" \
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-F "file=@clip.mp4" \
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-F 'settings={"factor": 0.5, "keepPitch": true}'
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```
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## Example Response {#example-response}
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```json
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{
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"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
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"downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/clip.mp4",
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"originalSize": 12500000,
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"processedSize": 24800000
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}
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```
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## Notes {#notes}
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- A factor of `2` doubles playback speed (halves duration). A factor of `0.5` halves playback speed (doubles duration).
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- When `keepPitch` is `true`, the audio is time-stretched so voices sound natural. When `false`, pitch shifts proportionally with speed.
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- The valid range is 0.25x to 4x.
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