Pad a 9:16 master into 16:9 after the vertical take is locked
edit_video cannot invent side picture. Horizontalizing a miss, or padding before picture lock, bills an export of bars around a take you will regen.
3 min read
Cut Shorts from a locked long take, not from a bin of misses
cut_video keeps ranges; edit_video reframes them to 9:16. Clipping a long miss, or clipping before picture lock, manufactures Shorts you will never publish.
3 min read
Render a visualizer after the Suno track is the one you will post
create_music_video builds a waveform video from a generate_music taskId and audioId. Rendering it for a discarded song, or before you have a track lock, is a visualizer you will not upload.
3 min read
Square-crop the shot you will ship, not the one you will regen
edit_video at 1:1 takes the most off a 16:9 master. Squaring a miss, or squaring before picture lock, studies a center punch of a take you will replace.
3 min read
Punch out a flub after you decide the surrounding take is the master
cut_video stitches KEEP ranges to skip a middle section. Punching a miss, or punching before picture lock, spends a cut on a performance you will replace whole.
3 min read
A cloned-voice dub of a throwaway take is a rate leak
dub_video translates, clones delivery, and optionally lip-syncs. Run it before picture lock and every language version is a recut you will pay for again.
3 min read
A full edit_video export is a delivery pass, not a taste pass
edit_video can stitch, mix, overlay, and caption in one call. A charged export of unlocked clips, or a stacked finish before picture lock, bundles every leak into one receipt.
3 min read
Extend a Suno bed after runtime is known, not while the cut still moves
extend_music continues a prior Suno track from an audioId. Extending before picture lock, or extending a song you will not mix, pays for seconds the cut will not use.
3 min read
Ask LTX or Grok to continue a keeper, not a clip you still dislike
extend_video generates new frames after the last moment. Continuing a miss, or extending before picture lock, pays per second of a sequel you will not cut.
3 min read
Replace one slide after the carousel order is the one you will render
replace_slideshow_slide bills a new image; remove and reorder do not refund or generate. Surgery on a board you have not locked, or on a reel you already exported, is the expensive order.
3 min read
Grab a thumbnail frame from the cut you will actually post
extract_video_frames at one timestamp is a poster from existing pixels. Pulling a thumb off a miss, or before picture lock, publishes a still of a take you will replace.
3 min read
Transcribe the keeper, not the miss you are about to replace
transcribe_audio (Cartesia ink-whisper) returns plain text. Running it on a throwaway soundtrack, or before picture lock, pays for a script of words you will never reuse.
3 min read
Isolate the voice you will ship, not the noisy take you will regen
isolate_audio pulls a vocal out of a mixed clip. Isolating a miss, or isolating before picture lock, spends a rescue on audio you will never mix.
3 min read
Pin a brand kit after you know the look, not while tasting presets
set_brand_kit stores caption style, fonts, and colors as defaults. Pinning a DYNAMIC look too early doubles the caption bill on every later clip, including misses.
4 min read
Animate a portrait to speech after the still and the line are locked
generate_lipsync needs a face image and an audio file. Driving a rejected still, or a scratch read, spends a lipsync model on inputs you will replace.
3 min read
Crop to 9:16 after you know which take survives review
edit_video at 9:16 is the TikTok/Reels/Shorts wrap. Verticalizing a miss, or cropping before picture lock, throws away side pixels you paid to generate and bills an export you will redo.
3 min read
Stitch scenes after each clip is a keeper, not as a way to hide misses
merge_movie_scenes concatenates clips with a shared transition. Merging a pile of maybes, or merging before picture lock, makes a sequence you will recut clip by clip.
3 min read
Read insights before you reframe a catalogue of throwaways
get_content_insights recommends a format from your own posts. The credit leak is running edit_video on unlocked clips in the direction those insights point.
3 min read
Cut out the still you will actually animate, not the rejected board
Photo cutouts go through generate_image_from_image (and sometimes remove_background). Erasing a rejected still, or erasing before the board is locked, spends an image edit on a tile you will not use.
3 min read
Key a black-matte keeper, not a talking head you will regenerate
remove_video_background is FFmpeg colorkey for pure-black backdrops; remove_background is the model path. Keying a miss, or keying before picture lock, keys a ghost.
3 min read
Strip-and-replace audio only after picture is allowed to freeze
attach_audio_to_video in replace mode mutes the original and lays a new track. Doing that on a miss, or before picture lock, destroys a soundtrack you might have needed and bills a swap you will repeat.
3 min read
TikTok reshape and trim wait until the source cut is locked
edit_video plus cut_video make a 9:16, scroll-length file. Doing both on a miss, or before picture lock, is a TikTok export of a take you will not post.
3 min read
Snapshot an EDL after the structure is the structure, not while tasting clips
save_editor_project stores timeline state. Snapshotting a pile of maybes, or saving before picture lock, freezes a draft that will teach next week's edit the wrong footage.
3 min read
Slice a variation grid after you know which tiles are worth upscaling
split_image_grid is a deterministic cut on the rows and columns you name. Slicing a sheet you will discard, or slicing before you pick winners, creates tiles you will still have to throw away — often after an upscale.
3 min read
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