{
  "status": "downloaded",
  "task_id": "161906052",
  "bytes": 2072628,
  "sha256": "d9ffb75d0ed881d98b1f027c9b5d828b1c93d8e14c0a59ac3d93ec95d5c678b6",
  "usage": {
    "total_tokens": 86222,
    "completion_tokens": 86222
  },
  "billed_usd": null,
  "validation_scope": "MP4 container signature only; inspect playback, duration and visual content manually",
  "tested_at": "2026-10-07",
  "requested_model": "doubao-seedance-2-0-260128",
  "request": {
    "model": "doubao-seedance-2-0-260128",
    "content": [
      {
        "type": "text",
        "text": "保持主体外观与数量不变，镜头缓慢推进，轻微自然光变化，不增加物体，不切换场景。"
      },
      {
        "type": "image_url",
        "image_url": {
          "url": "https://www.apizt.com/docs/images/scenario-python-image/tokenba-live-result.png"
        },
        "role": "first_frame"
      }
    ],
    "ratio": "1:1",
    "duration": 4,
    "generate_audio": false,
    "resolution": "720p"
  },
  "file": "seedance-whale.mp4",
  "terminal_status": "succeeded",
  "media_probe": {
    "programs": [],
    "stream_groups": [],
    "streams": [
      {
        "codec_name": "h264",
        "codec_type": "video",
        "width": 720,
        "height": 720
      },
      {
        "codec_name": "aac",
        "codec_type": "audio"
      }
    ],
    "format": {
      "duration": "4.096009",
      "size": "2072628"
    }
  },
  "billing_verification": "unavailable: token log endpoint returned record not found; zero key quota delta cannot establish a free call",
  "parameter_notes": [
    "First duration=2,resolution=480p request returned HTTP400 without a task ID; later duration=4,resolution=720p created a task.",
    "generate_audio=false requested, but downloaded media contains an AAC stream; verify audio behavior rather than assuming no stream.",
    "Audio decode measured non-silent AAC: mean -27.6 dB, peak -11.8 dB. Requested generate_audio=false did not produce a silent result in this sample."
  ],
  "audio_analysis": {
    "method": "ffmpeg volumedetect",
    "mean_volume_db": -27.6,
    "max_volume_db": -11.8,
    "silent": false
  }
}