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douyin-transcribe

抖音视频 → 下载 → 转录 → 存为 Markdown 的完整工作流。支持短链接和完整链接;优先无 cookie 直采,被风控时回退 yt-dlp + 浏览器 cookie(无需登录)。

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See how to install

Files included (4)

  • SKILL.md3.0 KB
  • requirements.txt64 B
  • scripts/download_douyin_audio.py5.1 KB
  • scripts/transcribe.py3.6 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

抖音视频转录 Skill

将抖音视频下载音频,用 SenseVoice-Small 转录为文字,存为 Markdown 文件。

环境要求

# Python 3.9+
python -m venv .venv
source .venv/bin/activate

# 依赖
pip install funasr modelscope torch torchaudio

# 系统依赖
# macOS: brew install ffmpeg
# Ubuntu: sudo apt install ffmpeg

使用方法

python scripts/transcribe.py "https://v.douyin.com/xxxxx"

流程(3 步)

Step 1: 从抖音下载音频

使用 iesdouyin.com/share/video/<id> + 移动端 UA 获取 window._ROUTER_DATA,提取 CDN 下载链接。

关键点:

  • ✅ iesdouyin.com/share/video/ 而非 douyin.com/video/
  • ✅ 移动端 UA 必须用 iPhone
  • ✅ playwm → play 去水印
  • ⚠️ 首选无 cookie 直采;若分享页返回蜘蛛壳(风控),自动回退 yt-dlp + YTDLP_COOKIES_FROM_BROWSER(浏览器打开过 douyin.com 即可,无需登录)

Step 2: SenseVoice-Small 转录

from funasr import AutoModel
from funasr.utils.postprocess_utils import rich_transcription_postprocess

model = AutoModel(
    model="iic/SenseVoiceSmall",
    trust_remote_code=True,
    vad_model="fsmn-vad",
    vad_kwargs={"max_single_segment_time": 30000},
    device="cpu",
)

result = model.generate(input=audio_path, language="zh", use_itn=True, batch_size_s=60)

Step 3: 生成 Markdown

自动创建带 frontmatter 的 Markdown 文件。

性能数据

视频时长模型加载转录耗时总耗时
10 min~30s~25s~1 min
30 min~30s~75s~2 min
1h 22min~40s~180s~4 min

已知限制

  • SenseVoice-Small 模型首次下载约 893MB(从 ModelScope,国内快)
  • CPU 推理质量略低于 GPU,但中文仍优于 Whisper-small
  • VAD 自动切分可能把长停顿处切成两段
  • 不支持说话人分离
  • yt-dlp 不可用(需要 cookie),必须走 iesdouyin 路线

参考项目

⚖️ 合规声明

仅供个人学习与研究使用。请遵守目标平台的服务条款(ToS)与 robots 规则,控制请求频率,不要用于批量抓取、商用爬取或侵犯他人权益的场景。下载内容的版权归原作者所有。

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