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All 181 docs markdown files translated into 20 languages (apps/docs/<locale>/**). Companion to the i18n code PR; admin-merged because the file count exceeds GitHub's per-PR CI trigger limit. Validated by pnpm i18n:check (all surfaces, 0 stale/missing) and a clean all-locale docs build.
46 lines
1.2 KiB
Markdown
46 lines
1.2 KiB
Markdown
---
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description: "将视频中的字幕轨道提取为 SRT 文件。"
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i18n_source_hash: 48db860f6676
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i18n_provenance: human
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i18n_output_hash: 53e76c0a839c
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---
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# Extract Subtitles {#extract-subtitles}
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从视频容器中提取内嵌的字幕轨道，并将其下载为 SRT 文件。
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## API Endpoint {#api-endpoint}
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`POST /api/v1/tools/video/extract-subtitles`
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接受包含视频文件的 multipart 表单数据。此工具没有可配置的设置。
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## Parameters {#parameters}
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此工具没有参数。它会提取视频容器中找到的第一个字幕轨道。
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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/extract-subtitles \
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-H "Authorization: Bearer si_your-api-key" \
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-F "file=@clip.mp4"
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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.srt",
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"originalSize": 12500000,
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"processedSize": 4500
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}
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```
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## Notes {#notes}
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- 视频必须包含内嵌的字幕轨道。如果未找到字幕轨道，请求将返回 400 错误。
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- 如果视频包含多个字幕轨道，则提取第一个。
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- 无论容器中原始字幕格式如何，输出格式均为 SRT。
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