feat(docs-i18n): translate all documentation into 20 languages

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.
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SnapOtter
2026-07-11 13:52:47 +08:00
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---
description: "將字幕軌混流到影片容器中。"
i18n_source_hash: be272730fff5
i18n_provenance: human
i18n_output_hash: 8e0aaddba20c
---
# Embed Subtitles {#embed-subtitles}
將字幕檔案混流到影片容器中,作為觀看者可自行開啟或關閉的軟字幕軌。
## API Endpoint {#api-endpoint}
`POST /api/v1/tools/video/embed-subtitles`
接受包含一個影片檔案和一個字幕檔案,以及一個 JSON `settings` 欄位的 multipart form data。
## Parameters {#parameters}
| Parameter | Type | Required | Default | Description |
|-----------|------|----------|---------|-------------|
| language | string | No | `"eng"` | ISO 639-2/B 語言代碼(3 個小寫字母,例如 `"eng"``"fra"``"deu"` |
## Example Request {#example-request}
```bash
curl -X POST http://localhost:1349/api/v1/tools/video/embed-subtitles \
-H "Authorization: Bearer si_your-api-key" \
-F "file=@clip.mp4" \
-F "file=@subtitles.srt" \
-F 'settings={"language": "fra"}'
```
## Example Response {#example-response}
```json
{
"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/clip.mp4",
"originalSize": 12500000,
"processedSize": 12520000
}
```
## Notes {#notes}
- 上傳兩個檔案:第一個必須是影片,第二個必須是字幕檔案(.srt、.vtt 或 .ass)。
- 觀看者可在其媒體播放器中切換嵌入的(軟)字幕。若需要永久可見的字幕,請改用 Burn Subtitles 工具。
- 語言代碼會以中繼資料的形式儲存在容器中,有助於媒體播放器標記字幕軌。