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概述

gemini-3-pro-preview-file 模型支持通过 file_data.file_uri 直接分析任意可访问的视频文件 URL，无需预先上传文件。
[!NOTE]
  • 接口：POST /v1beta/models/gemini-3-pro-preview-file:generateContent
  • 当前仅支持视频分析，支持 MP4、MOV、AVI、FLV、MKV、WebM 等常见格式
  • mime_type 可选，未提供时会尝试自动推断

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基础示例

curl -X POST "$BASE_URL/v1beta/models/gemini-3-pro-preview-file:generateContent" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "contents": [{
      "role": "user",
      "parts": [
        {"text": "请总结这个视频"},
        {"file_data": {"file_uri": "https://example.com/demo.mp4", "mime_type": "video/mp4"}}
      ]
    }]
  }'

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请求参数

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file_data 对象

参数类型必填说明
file_uristring✅视频文件的公开可访问 URL
mime_typestring❌文件 MIME 类型，如 video/mp4

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应用场景

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视频内容总结

curl -X POST "$BASE_URL/v1beta/models/gemini-3-pro-preview-file:generateContent" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "contents": [{
      "role": "user",
      "parts": [
        {"text": "请详细描述这个视频的内容，包括场景、人物、动作和对话"},
        {"file_data": {"file_uri": "https://example.com/video.mp4"}}
      ]
    }]
  }'

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视频问答

curl -X POST "$BASE_URL/v1beta/models/gemini-3-pro-preview-file:generateContent" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "contents": [{
      "role": "user",
      "parts": [
        {"text": "视频中的人在做什么？背景音乐是什么风格？"},
        {"file_data": {"file_uri": "https://example.com/video.mp4", "mime_type": "video/mp4"}}
      ]
    }]
  }'

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视频时间戳提取

curl -X POST "$BASE_URL/v1beta/models/gemini-3-pro-preview-file:generateContent" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "contents": [{
      "role": "user",
      "parts": [
        {"text": "请列出这个视频的关键时间点和对应的内容描述"},
        {"file_data": {"file_uri": "https://example.com/video.mp4"}}
      ]
    }]
  }'

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流式输出

curl -N "$BASE_URL/v1beta/models/gemini-3-pro-preview-file:streamGenerateContent?alt=sse" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "contents": [{
      "role": "user",
      "parts": [
        {"text": "逐帧分析这个视频"},
        {"file_data": {"file_uri": "https://example.com/video.mp4"}}
      ]
    }]
  }'

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注意事项

[!WARNING]
  • 仅支持单文件分析，每次请求只能分析一个视频
  • 视频 URL 必须是公开可访问的
  • 大视频文件可能需要较长处理时间
  • 建议视频时长控制在合理范围内以获得最佳分析效果

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