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51 lines
1.5 KiB
Markdown
51 lines
1.5 KiB
Markdown
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---
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description: "从音频文件生成波形可视化的 PNG 图片。"
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i18n_source_hash: 5480106dfe48
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i18n_provenance: human
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i18n_output_hash: bab1cdd0c8ea
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---
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# Waveform Image {#waveform-image}
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从音频文件生成波形可视化的 PNG 图片，尺寸和颜色可配置。
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## API Endpoint {#api-endpoint}
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`POST /api/v1/tools/audio/waveform-image`
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接受包含音频文件和 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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| width | integer | No | `1024` | 图片宽度（单位像素，256 到 3840） |
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| height | integer | No | `256` | 图片高度（单位像素，64 到 1080） |
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| color | string | No | `"#4f46e5"` | 波形的十六进制颜色（例如 `"#4f46e5"`） |
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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/audio/waveform-image \
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-H "Authorization: Bearer si_your-api-key" \
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-F "file=@audio.mp3" \
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-F 'settings={"width": 1920, "height": 400, "color": "#e07832"}'
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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/audio.png",
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"originalSize": 4500000,
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"processedSize": 45000
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}
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```
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## Notes {#notes}
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- 无论输入音频格式如何，输出始终是 PNG 图片。
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- 波形在透明背景上渲染。
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- 适合用作缩略图、社交媒体预览或嵌入网页。
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