A code-rendered product promo with narration and music

Original prompt excerpt

This is an excerpt, not the complete prompt. Open the author’s source for all instructions and required context.

做个宣传视频发 X…

Original prompt language: Chinese. The creator also publishes a follow-up about missing narration and background music; both instructions are at the source. The product website supplied to Claude is not disclosed. The creator reports drawing animation frames with code, rendering in FFmpeg, and adding voice and music; model and workflow are not independently reproduced.

Source checked 2026-10-01.