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speed-up

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更新时间2026年6月26日 02:28

Globally retime a finished short by SPEED (default 1.25x) — the LAST step of the per-span edit chain. Video setpts + pitch-corrected audio atempo, so every relative beat (captions, zoom punches, b-roll windows, CTA, end-card) compresses uniformly and stays in sync. Deterministic, non-fatal. SPEED=1 or SPEED_UP=0 passes through.

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用 Codex 或 Claude 帮你安装复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。

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jperrello

jperrello/C0BALT_CUT

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在 Manus 中运行

speed-up

Final retime of a finished short. Runs AFTER end-card and BEFORE qc-clip so the QC gate and visual-cadence measure (and save-local saves) the actual delivered, sped-up clip.

speed-up.sh <in.mp4> <out.mp4> [speed=1.25]

speed — playback multiplier; 1.25 ships ~20% faster. Read from arg 3 or the SPEED env (default 1.25).
Video is retimed with setpts=PTS/SPEED; audio with atempo (chained into 0.5–2.0 stages for out-of-range speeds) so pitch is preserved.
Because it is a single uniform retime applied last, ALL upstream relative timing is preserved — nothing else in the pipeline needs to know about it. Note the cold-open title hold (TITLE_SWAP) is set pre-speed, so its on-screen time is TITLE_SWAP / SPEED.
Deterministic (no Claude), idempotent (.spmeta mtime+param signature), non-fatal (probe/ffmpeg failure → passthrough copy).
SPEED=1 or SPEED_UP=0 → passthrough.

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title-transition

jperrello/C0BALT_CUT

Animate the title as a COLD OPEN in the TOP banner over the live opening footage — no blocking center card — held until TITLE_SWAP (default 2.0s) so brand-overlays can hand off to the source citation in the same slot. Frame 1 stays content (a face mid-sentence) to protect the swipe-rate / "Stayed to Watch" signal. ONE animation for every short — the glitch style (RGB-split banner + scanline tear, style-matched zap/crackle SFX) — a PIL frame sequence anchored at TITLE_ANCHOR_FRAC (default 0.135).

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generate-title

jperrello/C0BALT_CUT

Generate a per-clip third-person engagement-driven title card text. Claude reads the clip's transcript, the source ingest.json metadata, and (optionally) pick-segments' per-span judgment (topic, rationale, suggested title) so it reads the speaker's register — sincere vs ironic vs joking — before titling. Emits a hook-driven ALL-CAPS title (<=7 words).

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grade-clip

jperrello/C0BALT_CUT

Per-clip upload-readiness grade (0-99) read off a FINISHED .mp4 plus its persisted sidecar plans — the first skill that inspects a delivered pixel-level artifact, the on-disk proxy for YouTube's VVSA swipe gate. Deterministic retention-proxy floor (frame1_is_face, letterbox_bars, credit_lit_at_open, first_visual_change, first_payoff_offset, longest_static_gap, opening_caption_words, max_residual_silence, terminal_loop_score) with hard caps (letterbox / face_withheld / credit_at_open / blocking_card / dead_tail) that cap grade≤40, plus ONE batched Claude rubric call (hook↔payoff / open-loop / cold-context) skipped when GRADE_SKIP_CLAUDE=1. Runs at the END of the per-span chain (after save-local) AND standalone over the whole output/ backlog (--backlog → output/_triage.json). Emits clip_NN.grade.json per the locked SELECTION-SUITE-CONTRACT schema. Idempotent (.gcmeta), non-fatal (any error → DROSS/empty, exit 0).

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broll-pick

jperrello/C0BALT_CUT

Claude picks CONTEXTUAL/scene-level anchors from a clip transcript (literal objects, establishing shots, evocative concept footage matched to the story's tone — not just keyword nouns) and sources full-bleed B-roll cutaways via keyless yt-dlp YouTube search + mcptube frame-sampling + Claude vision verify. The verify step gets the spoken context and rejects literal-but-wrong matches (e.g. a cat laser toy for a tense "red dot" beat). Aims dense (8-12 windows, targeting cutaway footage on ~60%+ of the runtime; emits cutaway_coverage in the plan and WARNs below BROLL_MIN_COVER, default 0.6). Emits broll_plan.json with per-cutaway placement [t0,t1] and source metadata; clip files are namespaced per-clip. Windows snap to whole chunk-captions boundaries; vision calls capped by BROLL_VISION_CAP (default 16).

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pick-segments

jperrello/C0BALT_CUT

Pick N clip-worthy spans from a transcript. Claude reads the full transcript plus a per-second RMS energy summary and returns the most engaging time ranges for shorts. The atomic unit of a short is ONE IDEA, not one topic — each span carries `cuts` (1-3 non-contiguous source ranges assembled into one flowing story) plus `idea` (the one-sentence throughline all cuts share). A multi-cut span may pull cuts from DIFFERENT topics when they develop the same single idea; a single-cut span must stay within one topic and is just `cuts:[[t0,t1]]`. A 1-second SPOKEN hook is mandatory (no title card rescues a slow open — picks under PICK_HOOK_FLOOR are dropped). Replaces the old keyword/hook-word heuristic ranker.

2026-07-102

scout-sources

jperrello/C0BALT_CUT

Deterministic source-video discovery — the clip-channel "outlier" method, keyless. Searches seed niche queries via yt-dlp ytsearch, prefilters to long-form candidates, fetches full metadata, and ranks by outlier score (views/day velocity, views-per-subscriber ratio, comment engagement, replay-heatmap peakiness). Emits a ranked candidates.json to pick the next pipeline source from. No Claude call, no API key.

2026-07-102

name	speed-up
description	Globally retime a finished short by SPEED (default 1.25x) — the LAST step of the per-span edit chain. Video setpts + pitch-corrected audio atempo, so every relative beat (captions, zoom punches, b-roll windows, CTA, end-card) compresses uniformly and stays in sync. Deterministic, non-fatal. SPEED=1 or SPEED_UP=0 passes through.

speed-up

Final retime of a finished short. Runs AFTER end-card and BEFORE qc-clip so the QC gate and visual-cadence measure (and save-local saves) the actual delivered, sped-up clip.

speed-up.sh <in.mp4> <out.mp4> [speed=1.25]

speed — playback multiplier; 1.25 ships ~20% faster. Read from arg 3 or the SPEED env (default 1.25).
Video is retimed with setpts=PTS/SPEED; audio with atempo (chained into 0.5–2.0 stages for out-of-range speeds) so pitch is preserved.
Because it is a single uniform retime applied last, ALL upstream relative timing is preserved — nothing else in the pipeline needs to know about it. Note the cold-open title hold (TITLE_SWAP) is set pre-speed, so its on-screen time is TITLE_SWAP / SPEED.
Deterministic (no Claude), idempotent (.spmeta mtime+param signature), non-fatal (probe/ffmpeg failure → passthrough copy).
SPEED=1 or SPEED_UP=0 → passthrough.