YouTube视频转录提取

• •可能需要目标 API 的认证凭证

{
  "id": "XxkmcgZC4OtIOVoD",
  "meta": {
    "instanceId": "b3c467df4053d13fe31cc98f3c66fa1d16300ba750506bfd019a0913cec71ea3"
  },
  "name": "YouTube视频转录提取",
  "tags": [],
  "nodes": [
    {
      "id": "686e639a-650d-480d-9887-11bd4140f1fe",
      "name": "YouTube视频URL",
      "type": "n8n-nodes-base.formTrigger",
      "position": [
        -20,
        0
      ],
      "webhookId": "156a04c8-917d-4624-a46e-8fbcab89d16b",
      "parameters": {
        "options": {},
        "formTitle": "Youtube Video Transcriber",
        "formFields": {
          "values": [
            {
              "fieldLabel": "Youtube Video Url",
              "requiredField": true
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "5384c4ed-a726-4253-8a88-d413124f80be",
      "name": "清理后的转录文本",
      "type": "n8n-nodes-base.set",
      "position": [
        740,
        0
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "7653a859-556d-4e00-bafa-6f70f90de0d7",
              "name": "transcript",
              "type": "string",
              "value": "={{ $json.cleanedTranscript }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "83b6567f-c931-429c-8d7c-0b2549820ca1",
      "name": "处理转录文本",
      "type": "n8n-nodes-base.function",
      "position": [
        500,
        0
      ],
      "parameters": {
        "functionCode": "// Extract and process the transcript\nconst data = $input.first().json;\n\nif (!data.transcript && !data.text) {\n  return {\n    json: {\n      success: false,\n      message: 'No transcript available for this video',\n      videoUrl: $input.first().json.body?.videoUrl || 'Unknown'\n    }\n  };\n}\n\n// Process the transcript text\nlet transcriptText = '';\n\n// Handle different API response formats\nif (data.transcript) {\n  // Format for array of transcript segments\n  if (Array.isArray(data.transcript)) {\n    data.transcript.forEach(segment => {\n      if (segment.text) {\n        transcriptText += segment.text + ' ';\n      }\n    });\n  } else if (typeof data.transcript === 'string') {\n    transcriptText = data.transcript;\n  }\n} else if (data.text) {\n  // Format for single transcript object with text property\n  transcriptText = data.text;\n}\n\n// Clean up the transcript (remove extra spaces, normalize punctuation)\nconst cleanedTranscript = transcriptText\n  .replace(/\\s+/g, ' ')\n  .replace(/\\s([.,!?])/g, '$1')\n  .trim();\n\nreturn {\n  json: {\n    success: true,\n    videoUrl: $input.first().json.body?.videoUrl || 'From transcript',\n    rawTranscript: data.text || data.transcript,\n    cleanedTranscript,\n    duration: data.duration,\n    offset: data.offset,\n    language: data.lang\n  }\n};"
      },
      "typeVersion": 1
    },
    {
      "id": "cebf0fd7-6b66-4287-bede-fab53061bed2",
      "name": "提取转录文本",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        240,
        0
      ],
      "parameters": {
        "url": "https://youtube-transcript3.p.rapidapi.com/api/transcript",
        "options": {},
        "sendBody": true,
        "sendQuery": true,
        "sendHeaders": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "url",
              "value": "={{ $json['Youtube Video Url'] }}"
            }
          ]
        },
        "queryParameters": {
          "parameters": [
            {
              "name": "videoId",
              "value": "ZacjOVVgoLY"
            }
          ]
        },
        "headerParameters": {
          "parameters": [
            {
              "name": "x-rapidapi-host",
              "value": "youtube-transcript3.p.rapidapi.com"
            },
            {
              "name": "x-rapidapi-key",
              "value": "\"your_api_key\""
            },
            {
              "name": "Content-Type",
              "value": "application/json"
            }
          ]
        }
      },
      "typeVersion": 3
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "084b006b-36f9-46a7-8a0b-7656126b29cd",
  "connections": {
    "YoutubeVideoURL": {
      "main": [
        [
          {
            "node": "extractTranscript",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "extractTranscript": {
      "main": [
        [
          {
            "node": "processTranscript",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "processTranscript": {
      "main": [
        [
          {
            "node": "cleanedTranscript",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}