Keep a clip's own words out of the part of the frame the app has spent - #223
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A vertical clip is never watched on its own. YouTube draws a title, a handle and a link chip across the bottom, an action rail up the right, and a phone crops the outer ninth of the width before any of that. Measured off a Shorts screenshot: a viewer's chrome starts 1498 down a 1920 frame and the rail runs from x 817 to the edge. Cards and captions were being written into all of it. SAFE reserves that band, and safeFor reads which reservation a frame is owed off its own shape, so a landscape clip does not guard against furniture that is not drawn in a player. Captions hold above the line instead of dropping to the bottom edge while a card is up, and the band the speaker loses comes off its own floor rather than out of the caption. Every preset card is measured now, not just the scene. Five bullets or a quote that runs to nine lines used to draw straight through the captions; they borrow the scene's estimator and shrink the type, or take the whole frame when shrinking would put them below the floor of the fit. Also in here, because they are the same frame: - Captions take the show's colours. A style shipped with its own palette, so every clip carried two accents: a yellow sweep under a green figure. - An outlined caption style, for a whole line at a time over an uncovered shot. - place: "over" writes a card into the shot with a scrim instead of a panel, and falls back to the panel when the shot has no room for it. - bleed gives a picture or footage the whole frame, which is what dropping the speaker was for. A band too short to read still bleeds on its own. - emphasis takes up to three phrases and colours them where they stand, so a sentence can land on two without being rewritten. - The logo and the topic chip stopped sharing a corner at the same inset.
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Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review. 📝 WalkthroughWalkthroughThe pull request adds the ChangesCaption rendering and CLI support
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~60 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant CLI
participant CaptionedClip
participant Cards
participant CaptionComponents
CLI->>CaptionedClip: Select outline caption style
CaptionedClip->>CaptionedClip: Apply safe-area and brand caption geometry
CaptionedClip->>Cards: Render cards with settled caption style and top inset
Cards->>Cards: Measure placement and choose panel, over, or bleed rendering
CaptionedClip->>CaptionComponents: Render captions, name card, and topic chip
Merge Risk: 🟡 Moderate · up to Some wide-frame cards can lose speaker content, bleed captions can sit too low, and outline captions can fail when fallback rendering is used. These issues should be fixed before merging. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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In `@backend/clip_studio.py`:
- Line 341: Add outline support consistently by adding an outline entry to the
shared registry in caption_styles.py and an outline branch to render_captions
for ASS fallback rendering. Ensure generate_clip can resolve and render
--caption-style outline without either unknown-style ValueError; otherwise
remove outline from the CLI choices.
In `@remotion/src/CaptionedClip.tsx`:
- Around line 149-157: Update the topTaken calculation in CaptionedClip using
only overlays that are actually rendered: do not apply the default chipCorner or
chip height when topic is absent, and do not include logo dimensions unless
logoTop is true. Preserve the existing inset and clash spacing for rendered
top-positioned logo and topic overlays.
In `@remotion/src/components/Cards.tsx`:
- Line 903: Update the preset measurement in the scene-height calculation around
sceneHeight to use the reference-space width actually rendered by safeFor for
the current frame, rather than always passing SCENE_WIDTH. Alternatively
constrain preset content to SCENE_WIDTH * s, while preserving the existing
behavior for shapes without a preset.
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backend/cli.pybackend/clip_studio.pycli/VERSIONpackage.jsonremotion/src/CaptionedClip.tsxremotion/src/cards.tsremotion/src/components/BrandedCaptions.tsxremotion/src/components/Cards.tsxremotion/src/components/HormoziCaptions.tsxremotion/src/components/NameCard.tsxremotion/src/components/Scene.tsxremotion/src/components/SubtleCaptions.tsxremotion/src/components/TopicChip.tsxremotion/src/motion.tsremotion/src/scene.tsremotion/src/types.ts
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A full-width element with objectFit contain letterboxes the picture inside itself, and the outline traced that element. A tall screenshot came out as a narrow picture adrift in a wide empty rectangle with a line around the empty part. Shown whole, the element is now bounded rather than sized, so it takes the picture's own shape and the line lands on its edge. Cropped to fill, the element already was the picture and nothing changes.
… drawn Three from review on #223. get_style("outline") raised before any render, Remotion or not: the style was added to the CLI choices and to the Remotion styles, and nowhere else. It has a registry entry now, and the ASS fallback draws it with the whole-chunk renderer, which is the shape it already is. The fallback's position stops were still the old 760/480/220 while Remotion had moved, so they match again. topTaken reserved a chip that was not drawn. The chip corner defaulted to top-left whether or not there was a chip, so a clip with only a logo lost the chip's height off the top as well. Each overlay is asked whether it is actually on screen, and the reservation is the larger of the two. A preset was measured at SCENE_WIDTH and drawn at the padded width. In portrait those are both 680 and nothing moved. On a landscape frame the padded width is 3173 reference pixels, so a card measured at 680 came out far taller than it draws, shrank its type and could drop the speaker for a card that had room all along.
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Measured off a Shorts screenshot: on a 9:19.5 phone a viewer's chrome starts
1498 down a 1920 frame, the action rail runs from x 817 to the edge, and the
outer ninth of the width is cropped before any of that is drawn. Cards and
captions were being written into all of it.
What changes
SAFEreserves that band.safeForreads which reservation a frame is owedoff its own shape, so a landscape clip does not guard against furniture a
player never draws.
card is up. The band the speaker loses comes off its own floor.
through the captions. They borrow the scene's estimator and shrink, or take
the whole frame when shrinking would cross the floor of the fit.
clip carried two accents.
outlinecaption style: a whole line at a time, stroked, no pill.place: "over"writes a card into the shot with a scrim. It falls back tothe panel when the shot has no room.
bleedgives a picture or footage the whole frame. A band too short to readstill bleeds on its own.
emphasistakes up to three phrases and colours them where they stand.Verification
Rendered 35 frames covering 11 card kinds, 4 brands, 5 caption styles, 8 edge
cases and 3 landscape shapes. A contrast-based check confirms all 32 portrait
frames keep their ink above y=1498. The one exception is the full-frame
cutaway, which owns the frame deliberately.
Compatibility
emphasisas an array renders as literal text on 2.7.33 and earlier, and theoutlinestyle name is rejected by their argparse. Consumers must move to2.7.34 together.
placeandbleedare ignored safely by older versions.Summary by CodeRabbit