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Douyin Transcribe

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douyin-transcribe

Douyin Transcribe is an Agent Skill for documents published in the chubbyguan/chubbyskills repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

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,无需 cookie/登录。

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QUICK START

How to use this skill

Bring this guide into your coding agent with a prompt tailored to the tool you use.

  1. Open your project in Codex.
  2. Copy and paste the prompt below.
  3. Review files and risks before approving any action.
Prompt to paste
Inspect the Agent Skill at https://github.com/chubbyguan/chubbyskills/blob/HEAD/douyin-transcribe/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/douyin-transcribe, but wait for my approval before writing files or running scripts.

Copying this prompt does not install or run the skill. Review third-party files before use.

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
  • ✅ 无需 cookie、无需登录、无需 yt-dlp

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。