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Tutorial on rendering video from code with a seek(t) pipeline

245 views·1 saves·Posted 2 Oct 2026 · 9:00 · Explainers

Our note

A nine-minute Chinese tutorial on making video with a language model, covering a seek(t) frame model, spring easing, frame versus time driving and deterministic render rules; the creator says the script, animation, music and edit were AI-made, with a cloned voice from VoxCPM2.

The creator’s post

这几天 Opus 5.5 做的视频刷屏,我也用它做了一条教程:怎么用大语言模型做视频。 写稿、动画、配音、配乐、剪辑,全是 AI 做的。没有一帧来自视频模型,也没有一刀是人工剪的。我只做了两件事:提意见,拍板。 整条产线已经开源,链接在评论区。 画面不是「生成」的,是「算」出来的。Claude 写的是代码:每一帧只由时间 t 决定,浏览器按 t 把画面画出来,无头 Chrome 八个进程并行逐帧拍摄,FFmpeg 拼成视频。 同一份源码,任何时候重新渲染,每一帧都逐像素一致。 配音是时钟:每个镜头多长,由实际配音决定;镜头里的每个动作都挂在旁白的某个短语上,换了配音,画面自动跟着伸缩。 声音也是代码:配乐和音效用 numpy 合成,音效挂在画面动作的那一帧上。 我先把公开的教程和开源 skills 让 Claude 学了一遍,整理成一套可复现、可交付的 pipeline,再和 Claude 一轮轮迭代。我没写代码,也没动剪辑软件,做的事情就是看片、提意见、拍板。 模型听不到声音,也看不了连续播放,所以每次出片前跑一遍自动质检:空白帧、静止段、跨进程重放是否逐像素一致、声画同步、响度、背景声有没有盖过配音、物理校验。全部通过才交给我看。 最后的配音试过火山引擎,音色始终不满意,最后用开源的 VoxCPM2 克隆了我自己的声音。 最后开源了渲染引擎、并行渲染器、配音与校对、配乐与混音、卡拉 OK 字幕、出厂质检,项目规矩文件,一个可以直接装进 Claude Code 的 make-video 技能,还有这次踩过的 20 个坑和修法。 终于理解了梁文峰之前在 DeepSeek 内部讲话了,AGI 的主线还是语言模型,智能的上限目前还在语言模型上 Scaling。代码能力突破之后,语言就能变成画面、运动和物理。语言模型,也可以是世界模型。

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Make one like this

  1. 1 · Start from a template

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  2. 2 · Direct it like an editor

    Ask for one self-contained HTML file on a fixed 1920×1080 stage, link this video as the reference, and send two or three rounds of specific notes.

  3. 3 · Render it to MP4

    Screen-record a short piece, or capture it frame by frame for exact timing. How →

How it was made

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