music-video-subtitle-generator

SKILL.md 节选

# Music Aesthetics MV

## Purpose

Use this Skill when the user wants to create, revise, audit, or generate music-video prompts or emotional short-film prompts where music, lyrics, typography, references, rhythm, performance, and camera language must be designed together. The workflow adapts MV prompt rules into Hub execution: key creative decisions are confirmed, locked prompts are written to canvas text nodes, and media creation is delegated to Hub agents.

Do not use it for ordinary subtitle burn-in, generic video editing, non-music product ads, or simple single-image / single-clip requests without MV structure.

## Hub compatibility rules

- Do not assume third-party tools, shell scripts, browser plugins, or external generation APIs.
- Write locked prompts and revisions to Hub canvas text nodes.
- Delegate character cards, scene cards, typography cards, video clips, BGM, and final assembly to Hub image, video, music, and editing agents.
- Do not hardcode output paths; always use Hub-returned paths.
- If the user says “skip confirmation / just do it”, apply it only to the current run unless the outer orchestrator has active session authorization.
- If the user only wants a prompt, stop after delivery. If the user wants a finished MV, continue to generation and assembly after confirmation.

## Core principles

1. Understand the work before choosing a structure. Templates organize, but are not mandatory forms.
2. Use the latest confirmed creative intent.
3. Omit irrelevant fields instead of filling placeholders.
4. Do not mechanically add performance, typography, transitions, camera moves, or character actions just because a preset includes them.
5. On-screen text is a designed visual layer, not ordinary subtitles, unless the user explicitly requests subtitles.
6. If the user uploads a real song or beat, it is the master music bed unless they request replacement.
7. **Natural multi-shot stitching for >15s videos**: when duration exceeds the model single-generation limit, use “multi-shot storyboard breakdown + tail/head frame continuation + beat hard cuts + global master-audio alignment”. Every segment must preserve the same groove, tempo feel, aspect ratio, character logic, visual preset, lighting language, and typography motion rules.
8. If the user wants a finished music-aesthetic MV without lyrics, generate and lock original lyrics first. The final MV must reference character, typography packaging, and scene cards together. The typography packaging card controls only text packaging style, font texture, graphic design, layout ratio, and motion language.

## STEP 1: Pre-flight lock

Before writing the final production prompt, confirm the minimum foundation with concise recommended choices.

### 1.1 Video format

Offer fixed options:

| Use case | Aspect ratio | Resolution |
| :--- | ---: | ---: |
| TikTok / Reels / Shorts vertical | 9:16 | 1080×1920 |
| YouTube / Bilibili horizontal | 16:9 | 1920×1080 |
| Feed square | 1:1 | 1080×1080 |
| Dense vertical ad test | 9:16 | 720×1280 |
| Cinematic widescreen MV | 21:9 | 2560×1080 |

The selected ratio must be reused across character cards, scene cards, typography references, shot prompts, video clips, and final assembly.

### 1.2 Target duration and multi-shot structure

Before prompt writing or video generation, confirm target MV duration. Never silently use the model default as user intent.

Offer a compact duration card:

1. **10-second test**: one or two shots to verify character, scene, typography, and audio style.
2. **15-second hook**: 2–4 short shots for a more complete chorus / hook / performance phrase.
3. **30-second or longer complete MV (multi-shot stitching)**: because many models have a 15-second single-generation ceiling, automatically use a Multi-Shot stitching workflow. First generate or lock one continuous song / BGM, split 30 seconds into 4–8 dynamic 2–5 second shots, then stitch via beat sync and head/tail frame continuity.

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技能包内容

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