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49 lines
1.3 KiB
Markdown
49 lines
1.3 KiB
Markdown
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---
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description: "更改视频的帧率。"
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i18n_source_hash: 2bffbd04a1cb
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i18n_provenance: human
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i18n_output_hash: 6b4462cd3b90
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---
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# Change FPS {#change-fps}
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将视频的帧率更改为 1 到 120 fps 之间的目标值。
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## API Endpoint {#api-endpoint}
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`POST /api/v1/tools/video/change-fps`
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接受包含视频文件和 JSON `settings` 字段的 multipart 表单数据。
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## Parameters {#parameters}
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| Parameter | Type | Required | Default | Description |
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|-----------|------|----------|---------|-------------|
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| fps | number | No | `30` | 目标帧率（1-120） |
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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/change-fps \
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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={"fps": 24}'
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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": 10200000
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}
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```
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## Notes {#notes}
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- 降低帧率会丢弃帧并减小文件大小。提高帧率会复制帧以填补空缺，但不会增加真实的运动细节。
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- 常用目标值：24（电影）、30（网络/广播）、60（流畅播放）。
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- 音轨会按其原始采样率保留。
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