Track bundled vendor runtime sources
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vendor/Agent-Reach/agent_reach/skill/references/video.md
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vendor/Agent-Reach/agent_reach/skill/references/video.md
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# 视频/播客
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YouTube、B站、小宇宙播客的字幕和转录。
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## YouTube (yt-dlp)
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### 获取视频元数据
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```bash
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yt-dlp --dump-json "URL"
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```
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### 下载字幕
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```bash
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# 下载字幕 (不下载视频)
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yt-dlp --write-sub --write-auto-sub --sub-lang "zh-Hans,zh,en" --skip-download -o "/tmp/%(id)s" "URL"
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# 然后读取 .vtt 文件
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cat /tmp/VIDEO_ID.*.vtt
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```
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### 获取评论
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```bash
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# 提取评论(best-effort,不保证完整)
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yt-dlp --write-comments --skip-download --write-info-json \
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--extractor-args "youtube:max_comments=20" \
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-o "/tmp/%(id)s" "URL"
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# 评论在 .info.json 的 comments 字段中
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```
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### 搜索视频
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```bash
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yt-dlp --dump-json "ytsearch5:query"
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```
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> **字幕注意**: 手动上传的字幕提取可靠;自动生成字幕可能存在行间重复,需后处理。
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> **评论注意**: `--write-comments` 基于网页抓取(非 YouTube Data API),部分评论可能丢失。
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### 无字幕兜底:Whisper 音频转写
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```bash
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# 视频没有字幕时的兜底:下载音频并用 Whisper 转写(Groq 免费 key 即可)
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agent-reach transcribe "https://www.youtube.com/watch?v=VIDEO_ID"
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agent-reach transcribe ./local_audio.mp3 -o /tmp/transcript.txt
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```
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> 需要先配置 key:`agent-reach configure groq-key gsk_xxx`(免费,console.groq.com)
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> 或 `agent-reach configure openai-key sk-xxx`。默认 auto 模式:groq 失败自动降级 openai。
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## B站 / Bilibili(bili-cli 为主,OpenCLI 补字幕)
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> ⚠️ **不要用 yt-dlp 读 B站**:B站风控已全面 412 拦截 yt-dlp(实测最新版、直连/代理/带 Cookie 全部无效)。yt-dlp 只用于 YouTube。
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### 视频详情/搜索/热门/排行 (bili-cli,只读无需登录)
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```bash
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# 视频详情(标题/UP主/时长/播放互动数据/字幕可用性)
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bili video BVxxx
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# 搜索视频
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bili search "query" --type video -n 5
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# 热门视频 / 排行榜
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bili hot -n 10
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bili rank -n 10
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# 下载音频并切分为 ASR-ready WAV(无字幕时配合 agent-reach transcribe 转写)
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bili audio BVxxx
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```
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### 字幕 (OpenCLI,需要桌面 Chrome)
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```bash
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# 字幕逐句带时间轴
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opencli bilibili subtitle BVxxx
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# OpenCLI 也能搜索/读视频元数据(备选)
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opencli bilibili search "query" -f yaml
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opencli bilibili video BVxxx -f yaml
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```
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### 零配置兜底:搜索 API 直连
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```bash
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UA="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36"
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curl -s -c /tmp/bili_ck.txt -o /dev/null -A "$UA" "https://www.bilibili.com/"
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curl -s -b /tmp/bili_ck.txt -A "$UA" -e "https://www.bilibili.com/" \
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"https://api.bilibili.com/x/web-interface/search/all/v2?keyword=QUERY&page=1"
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```
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> **安装 bili-cli**: `pipx install bilibili-cli`(上游 2026-03 起停更但实测健康;只读场景无需登录,`bili login` 扫码可解锁动态/收藏等个人功能)。
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## 小宇宙播客 / Xiaoyuzhou Podcast
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### 转录单集播客(可选 --polish 增强标点)
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```bash
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# 输出 Markdown 文件到 /tmp/。--polish 让 Llama 3.3 70B 给文稿补中文标点+合理分段
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~/.agent-reach/tools/xiaoyuzhou/transcribe.sh --polish "https://www.xiaoyuzhoufm.com/episode/EPISODE_ID"
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```
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> 转写 prompt 已要求 Whisper 输出中文标点;若标点效果仍不理想,可加 `--polish` 用 Groq 上免费的 Llama 3.3 70B 补标点+合理分段(9 分钟播客约多 ~7 秒)。每次转写多一轮 LLM 调用,按需使用。
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### 前置要求
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1. **ffmpeg**: `brew install ffmpeg`
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2. **Groq API Key** (免费): https://console.groq.com/keys
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3. **配置 Key**: `agent-reach configure groq-key YOUR_KEY`
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4. **首次运行**: `agent-reach install --env=auto` 安装工具
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### 检查状态
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```bash
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agent-reach doctor
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```
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> 输出 Markdown 文件默认保存到 `/tmp/`。
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## 选择指南
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| 场景 | 推荐工具 |
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|-----|---------|
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| YouTube 字幕 | yt-dlp |
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| B站视频详情/搜索 | bili-cli |
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| B站字幕 | opencli bilibili subtitle |
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| 播客转录 | 小宇宙 transcribe.sh |
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| 无字幕音视频 | agent-reach transcribe(B站音频先 `bili audio`) |
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