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Get Started Free →gooseworks-ai/render-editorial-motion-podcast
Assemble an editorial-motion podcast-clip ad from a config — a real clipped podcast MP3 carries the narrative while N flat 2-tone editorial-illustration keyframes are animated NOT by generative i2v but by DETERMINISTIC ffmpeg ken-burns (zoompan) + hard cuts (no crossfades, which expose geometric drift), each beat snapped to its spoken line, the real audio muxed, Whisper-driven captions burned only mid-sentence, and closed on a PIL brand end card — never AI-rendered text. This is the FREE determi
Passed 18 of 21 test cases with the skill, and 8 of 21 without it.
and 17 more in the full report
12 fixed7 passed either way2 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
This benchmark measured an earlier version of the skill.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
A user submits a request to build an editorial motion podcast ad with keyframes and timestamps, but forgets to upload an audio file or specify an episode source. What action should be taken at step 0?
| Checked | Without skill | With skill |
|---|---|---|
| Asks the user whether to supply a podcast episode audio clip | Missed | Passed |
The instructions your model reads when the skill loads.
Assemble an editorial-motion podcast-clip ad from a config: a real clipped podcast audio line carries the whole narrative and every visual beat is timed to the sentence it describes, in ONE flat, strictly limited-palette editorial-illustration look pack ("a magazine spot-illustration that moves" — the style and palette are the caller's choice). The motion is not generative video but deterministic ffmpeg ken-burns on static keyframes, so it reads as a printed page that moves. This capability is that FREE, deterministic assembly — the ffmpeg motion, hard-concat, audio mux, caption burn, and PIL end card.
scripts/config.example.json is the worked example (Klarify "Rat Park", ~40.8s 1080×1920
9:16, 6 beats — its 2-tone Niemann look, cream/charcoal/sage palette and Rat Park metaphor are
that demo's picks, never defaults); scripts/PIPELINE.md maps every config block to its source step and
scripts/README.md documents the free assembly.
The creative calls are the caller's (the video-format recipe asks the user); this assembly never picks them. The demo's value is an example only:
This is the FREE, deterministic assembly stage — it spends nothing on the motion layer.
The paid inputs are separate: the real podcast MP3 is clipped from source (free ffmpeg) with
its Whisper word timings, and one editorial-illustration keyframe per beat (chained ref images
so cage/character geometry holds) comes from create-image-fal (Nano Banana). Given the
clipped audio + words.json + the per-beat keyframes + the real brand wordmark PNG,
render-editorial-motion-podcast renders each keyframe as a ken-burns segment, hard-concats
on the beat, muxes the real audio, burns the mid-sentence captions, and composites the PIL end
card → the master. Re-cuts reuse the existing audio / keyframes and cost $0.
-map 0:v:0 -map 1:a:0) — a real clipped podcast line (preferred) OR antest cases passed, vs 8 / 21 without
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