3x21 Mp4 〈2026 Release〉

Create a system to ingest 63 media sources, ensuring they are standardized to the same aspect ratio (e.g.,

I can then provide specific code examples, such as the exact FFmpeg command or HTML/CSS setup.

Based on standard video production terminology, here is the development plan to create this feature: 1. Feature Definition

Develop an automated layout tool that takes 63 input sources (images/videos) and maps them to a 3x21 grid using HTML5 Canvas, CSS Grid, or FFmpeg [1].