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platform-spec-export

TikTok Shop / 抖音 / 视频号 / 小红书 / 淘宝主图视频 / Amazon 规格导出:把一条母版视频一键转成各平台推荐画幅与编码(9:16、3:4、1:1、16:9,模糊填充或智能裁切),输出规格报告,并可叠加 UI 安全区预览。

Use when the user asks for export settings, 导出规格, 尺寸, 分辨率, 画幅, 上传要求, re-encode for TikTok Shop / Douyin / WeChat Channels / Xiaohongshu / Taobao / Amazon, or safe zones.

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Works withTikTok

Run score Not tested

See how to install

Files included (2)

  • SKILL.md3.8 KB
  • scripts/export_platform.py6.2 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

平台规格导出 · Platform Spec Export

一条母版(建议 1080×1920、30fps)→ 多平台文件 + export_report.json。脚本:scripts/export_platform.py。

Part of ecommerce-video-skills

⚠️ 平台规则经常变。下表是稳妥的推荐编码,不是官方上限;时长、文件大小、是否允许外链/价格信息等,上传前请在各平台官方上传页/商家后台确认。

预设 Presets

--platform输出用途 / 需确认
douyin1080×1920 · 30fps抖音信息流/商品视频;上限以创作者中心为准
tiktok1080×1920 · 30fpsTikTok 信息流
tiktok-shop1080×1920 · 30fpsTikTok Shop 商品/联盟视频;以 Seller Center 为准
channels1080×1920 · 30fps视频号;信息流预览可能裁切,主体和标题放中部
xiaohongshu1080×1440(3:4)小红书信息流最占屏
taobao-main1080×1080(1:1)淘宝/天猫主图视频(3:4 用 taobao-3x4);以千牛后台为准
amazon1920×1080(16:9)Amazon 商品视频;以 Seller Central 为准
square1080×1080Shopee / Lazada / 通用信息流

编码统一:H.264 High、yuv420p、CRF 20 + 码率上限、AAC 160k 48 kHz、+faststart(边下边播)。

步骤 Steps

python scripts/export_platform.py out/master.mp4 --platform douyin tiktok-shop channels xiaohongshu taobao-main amazon
python scripts/export_platform.py out/master.mp4 --platform all --outdir out/export
python scripts/export_platform.py out/master.mp4 --platform xiaohongshu --mode crop --focus-y 0.4   # 裁切而非模糊填充
python scripts/export_platform.py out/master.mp4 --safe-preview out/safe.png                    # 安全区叠加图
  1. 母版先按 9:16 做好(字幕已在安全区内)。
  2. 选择转换方式:blur(默认,保留完整画面,上下/左右模糊填充)或 crop(填满画面,会裁掉边缘 → 检查字幕和商品)。
  3. 读 export_report.json:分辨率、时长、大小、注意事项。
  4. 9:16 → 16:9 时字幕会变小,重要平台建议用 assemble.py --size 1920x1080 重新渲染而不是转码。

安全区 Safe zones

--safe-preview 在一帧上叠加三块经验区域(顶部状态栏 ~9%、右侧按钮栏 ~15% 宽、底部文案/商品卡 ~22%)。这些是经验值,最终以真机预览为准。

提示词模板 Prompt template

我有一条 {时长} 秒、{分辨率} 的带货母版视频,要发到 {平台列表}。
请给出:每个平台用哪个 --platform 预设、用 blur 还是 crop、需要去官方后台确认的事项(不要编造具体上限数字)。

检查清单 Checklist

  • 每个导出文件都能本地播放,音画同步
  • crop 模式下字幕/商品没被裁
  • 视频号/小红书封面另做 3:4(见 cover-title-ab)
  • 已在官方后台确认时长与大小限制

常见问题与修复 Failure fixes

问题修复
上传后糊平台二压;保证源 1080p、码率不要过低,避免大面积细噪点/渐变
上传失败:文件太大降低 maxrate(如 8M)或缩短时长
横版字幕太小用 assemble.py --size 1920x1080 重新渲染
黑边用默认 blur 模式或 crop

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