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把你账户里的片段合成一条视频

创建异步任务，把你账户里的视频片段合成一条 MP4。可以加上旁白、压低音量的音乐，以及烧进画面的字幕。

下方的接口说明（参数、请求和响应）是英文原文，字段名与接口完全一致。

POST
/v1/videos/compose

Request Body

application/jsonRequired
metadataMetadata

Caller-supplied metadata; ≤16 keys, key ≤64 chars, value ≤512 chars

callback_urlCallback Url

HTTPS URL Beatra will POST the final Task envelope to when the Task reaches a terminal state

callback_signing_key_idCallback Signing Key Id

Optional standalone callback signing key. Omit for unsigned callback delivery; requires callback_url when provided.

clips
Required
Clips
narrationAny properties in MediaInputArtifact
musicAny properties in ComposeMusic
subtitlesSubtitles
canvasCanvas
Default: "9:16"Value in: "9:16" | "16:9" | "1:1" | "3:4"
modelModel
Default: "auto"Value in: "auto" | "beatra-compose-v1"
client_request_id
Required
Client Request Id
Minimum length: 1Maximum length: 128

Header Parameters

X-Request-Idstring

Optional client request id echoed in the response.

Idempotency-Key
Required
Idempotency-Key
Minimum length: 1Maximum length: 128
Authorization
Required
string

Bearer API key.

curl -X POST "https://api.beatra.cn/v1/videos/compose" \
  -H "X-Request-Id: string" \
  -H "Idempotency-Key: string" \
  -H "Authorization: string" \
  -H "Content-Type: application/json" \
  -d '{
    "metadata": {
      "property1": "string",
      "property2": "string"
    },
    "callback_url": "string",
    "callback_signing_key_id": "string",
    "clips": [
      {
        "source": {
          "type": "artifact",
          "artifact_id": "string"
        },
        "start": 0,
        "end": 0,
        "keep_audio": false
      }
    ],
    "narration": {
      "type": "artifact",
      "artifact_id": "string"
    },
    "music": {
      "source": {
        "type": "artifact",
        "artifact_id": "string"
      },
      "volume": 0.25
    },
    "subtitles": [
      {
        "start": 0,
        "end": 0,
        "text": "string"
      }
    ],
    "canvas": "9:16",
    "model": "auto",
    "client_request_id": "string"
  }'

Task accepted

{
  "object": "task",
  "task_id": "string",
  "status": "queued",
  "capability": "string",
  "workload_type": "model",
  "model": "string",
  "resolved_model": "string",
  "model_selection_reason": null,
  "social": {
    "platform": "string",
    "operation_key": "string",
    "operation_name": "string",
    "schema_hash": "string"
  },
  "metadata": {
    "property1": "string",
    "property2": "string"
  },
  "input": {},
  "progress": {
    "percent": 100,
    "stage": "string",
    "message": "string"
  },
  "output": {},
  "warnings": [
    {
      "code": "string",
      "message": "string",
      "field": "string"
    }
  ],
  "error": {
    "code": "string",
    "type": "string",
    "message": "string",
    "retryable": true,
    "param": "string",
    "details": {},
    "request_id": "string"
  },
  "usage": {
    "input_tokens": 0,
    "output_tokens": 0,
    "cache_read_tokens": 0,
    "cache_creation_tokens": 0,
    "reasoning_tokens": 0,
    "image_count": 0,
    "image_pixels": 0,
    "video_seconds": 0,
    "input_video_seconds": 0,
    "output_video_seconds": 0,
    "audio_seconds": 0,
    "characters": 0,
    "lines": [
      {
        "meter": "string",
        "quantity": "string",
        "unit": "string",
        "billed_amount_credits": "string"
      }
    ],
    "credits": "string"
  },
  "billing": {
    "charged_credits": "string",
    "refunded_credits": "string",
    "granted_credits": "string",
    "grant_source": "string",
    "net_charged_credits": "string"
  },
  "callback": {
    "url": "string",
    "status": "pending",
    "attempt_count": 0,
    "delivered_at": "2019-08-24T14:15:22Z",
    "last_error": "string"
  },
  "created_at": "2019-08-24T14:15:22Z",
  "started_at": "2019-08-24T14:15:22Z",
  "deadline_at": "2019-08-24T14:15:22Z",
  "completed_at": "2019-08-24T14:15:22Z",
  "cancel_requested_at": "2019-08-24T14:15:22Z",
  "links": {
    "self": "string",
    "cancel": "string",
    "assets": "string"
  }
}

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