Add webcam mirror toggle#633
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siddharthvaddem merged 4 commits intoJun 2, 2026
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✅ Files skipped from review due to trivial changes (7)
🚧 Files skipped from review as they are similar to previous changes (10)
📝 WalkthroughWalkthroughAdds a webcam "mirror" toggle and default, threads the flag through editor state and persistence, mirrors live preview via CSS, and uses a new canvas helper so exports render mirrored webcam frames; includes tests and i18n labels. ChangesWebcam Mirroring Feature
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~25 minutes Possibly related PRs
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Actionable comments posted: 2
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@src/components/video-editor/SettingsPanel.tsx`:
- Around line 1194-1199: The "Mirror webcam" label and its aria-label are
hardcoded; replace both with your i18n lookup (e.g., use the t function from
your translation hook) so the text and aria-label are localized. In
SettingsPanel (where webcamMirrored and onWebcamMirroredChange are used) change
"Mirror webcam" to something like t('settings.mirrorWebcam') and the Switch
aria-label to t('settings.mirrorWebcamAria') (and add those keys to the locale
files), ensuring you import/use the existing translation hook (e.g., const { t }
= useTranslation()) in the component.
In `@src/lib/exporter/webcamFrameDrawing.ts`:
- Around line 20-26: The mirrored branch in webcamFrameDrawing uses ctx.save(),
ctx.translate(...), ctx.scale(...), ctx.drawImage(...), then ctx.restore(); but
if drawImage throws the transform leaks—wrap the transform and draw in a
try/finally so ctx.restore() always runs; specifically locate the mirrored
handling block that calls ctx.save(), ctx.translate, ctx.scale and ctx.drawImage
and ensure restore() is invoked in finally before returning from the function.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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📒 Files selected for processing (12)
src/components/video-editor/SettingsPanel.tsxsrc/components/video-editor/VideoEditor.tsxsrc/components/video-editor/VideoPlayback.tsxsrc/components/video-editor/projectPersistence.test.tssrc/components/video-editor/projectPersistence.tssrc/components/video-editor/types.tssrc/hooks/useEditorHistory.tssrc/lib/exporter/frameRenderer.test.tssrc/lib/exporter/frameRenderer.tssrc/lib/exporter/gifExporter.tssrc/lib/exporter/videoExporter.tssrc/lib/exporter/webcamFrameDrawing.ts
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🧹 Nitpick comments (3)
src/i18n/locales/en/settings.json (2)
48-49: 💤 Low valuecapitalization inconsistency between webcam labels
line 48 uses "Webcam Size" (capital W) but line 49 uses "Mirror webcam" (lowercase w). kinda inconsistent but lowkey not a blocker since both are readable. might wanna decide on one style tho
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In `@src/i18n/locales/en/settings.json` around lines 48 - 49, The two i18n entries are inconsistent in capitalization—"webcamSize" value is "Webcam Size" but "mirrorWebcam" value is "Mirror webcam"; update the "mirrorWebcam" value to "Mirror Webcam" to match Title Case used by "webcamSize" (and audit other locale files for the same keys to keep translations consistent across languages).
3-3: 💤 Low valueunrelated localization change detected
this line modifies
zoom.previewHoldwhich isn't part of the webcam mirror feature. same with line 116'sjpgOnlychange. these look like cleanup/improvements but weren't mentioned in the pr summary. not blocking but worth noting for commit hygiene🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In `@src/i18n/locales/en/settings.json` at line 3, This change modifies unrelated localization keys ("previewHold" under zoom/zoom.previewHold and "jpgOnly" elsewhere in settings.json) that are not part of the webcam mirror feature; revert those localization edits or move them into a separate commit/PR and update the PR description accordingly so this branch only contains webcam mirror changes, referencing the keys "previewHold" and "jpgOnly" when making the revert or split.src/components/video-editor/SettingsPanel.tsx (1)
443-444: ⚡ Quick winnit: keep
webcamMirroreddefault aligned with shared defaultsLine 443 uses a literal
false; lowkey risky for drift ifDEFAULT_WEBCAM_MIRROREDchanges later. Prefer the shared constant for SSOT consistency.♻️ Proposed tweak
import { + DEFAULT_WEBCAM_MIRRORED, MAX_ZOOM_SCALE, MIN_ZOOM_SCALE, ROTATION_3D_PRESET_ORDER, SPEED_OPTIONS, ZOOM_DEPTH_SCALES, } from "./types"; @@ - webcamMirrored = false, + webcamMirrored = DEFAULT_WEBCAM_MIRRORED,🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In `@src/components/video-editor/SettingsPanel.tsx` around lines 443 - 444, The prop default for webcamMirrored in the SettingsPanel component should use the shared constant instead of a hardcoded false; replace the literal default (webcamMirrored = false) with the shared DEFAULT_WEBCAM_MIRRORED and ensure DEFAULT_WEBCAM_MIRRORED is imported from the central defaults module so the SettingsPanel (and its prop signature referencing webcamMirrored and onWebcamMirroredChange) stays single-source-of-truth.
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@src/components/video-editor/SettingsPanel.tsx`:
- Around line 443-444: The prop default for webcamMirrored in the SettingsPanel
component should use the shared constant instead of a hardcoded false; replace
the literal default (webcamMirrored = false) with the shared
DEFAULT_WEBCAM_MIRRORED and ensure DEFAULT_WEBCAM_MIRRORED is imported from the
central defaults module so the SettingsPanel (and its prop signature referencing
webcamMirrored and onWebcamMirroredChange) stays single-source-of-truth.
In `@src/i18n/locales/en/settings.json`:
- Around line 48-49: The two i18n entries are inconsistent in
capitalization—"webcamSize" value is "Webcam Size" but "mirrorWebcam" value is
"Mirror webcam"; update the "mirrorWebcam" value to "Mirror Webcam" to match
Title Case used by "webcamSize" (and audit other locale files for the same keys
to keep translations consistent across languages).
- Line 3: This change modifies unrelated localization keys ("previewHold" under
zoom/zoom.previewHold and "jpgOnly" elsewhere in settings.json) that are not
part of the webcam mirror feature; revert those localization edits or move them
into a separate commit/PR and update the PR description accordingly so this
branch only contains webcam mirror changes, referencing the keys "previewHold"
and "jpgOnly" when making the revert or split.
ℹ️ Review info
⚙️ Run configuration
Configuration used: Organization UI
Review profile: CHILL
Plan: Pro
Run ID: 8f5111de-6ac6-43ad-9450-4393b2c9d557
📒 Files selected for processing (24)
src/components/video-editor/SettingsPanel.tsxsrc/components/video-editor/VideoEditor.tsxsrc/components/video-editor/VideoPlayback.tsxsrc/components/video-editor/projectPersistence.test.tssrc/components/video-editor/projectPersistence.tssrc/components/video-editor/types.tssrc/hooks/useEditorHistory.tssrc/i18n/locales/ar/settings.jsonsrc/i18n/locales/en/settings.jsonsrc/i18n/locales/es/settings.jsonsrc/i18n/locales/fr/settings.jsonsrc/i18n/locales/it/settings.jsonsrc/i18n/locales/ja-JP/settings.jsonsrc/i18n/locales/ko-KR/settings.jsonsrc/i18n/locales/ru/settings.jsonsrc/i18n/locales/tr/settings.jsonsrc/i18n/locales/vi/settings.jsonsrc/i18n/locales/zh-CN/settings.jsonsrc/i18n/locales/zh-TW/settings.jsonsrc/lib/exporter/frameRenderer.test.tssrc/lib/exporter/frameRenderer.tssrc/lib/exporter/gifExporter.tssrc/lib/exporter/videoExporter.tssrc/lib/exporter/webcamFrameDrawing.ts
✅ Files skipped from review due to trivial changes (7)
- src/i18n/locales/ru/settings.json
- src/i18n/locales/ar/settings.json
- src/i18n/locales/es/settings.json
- src/i18n/locales/fr/settings.json
- src/i18n/locales/vi/settings.json
- src/i18n/locales/tr/settings.json
- src/i18n/locales/it/settings.json
Owner
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@AjTheSpidey please include screenshots/ videos when opening a PR that changes the UI in any way. |
Contributor
Author
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Added a screenshot from a local Electron run so the UI change is easier to see. I used the sample video as both the screen recording and webcam clip, opened the Layout panel, and turned Mirror Webcam on. The small webcam preview is flipped in the screenshot.
Also pushed a tiny cleanup for the default value and the English label capitalization. |
siddharthvaddem
approved these changes
Jun 2, 2026
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Fixes #632.
Added a Mirror webcam switch in the editor layout panel. When it is on, the webcam flips in the preview and the same flip is used during GIF/MP4 export, so the saved file matches what you see while editing.
Tested locally:
One note: full
npm run lintstill hits existing formatter/line-ending errors in untouched repo files, so I kept the check scoped to the files changed here.Summary by CodeRabbit
New Features
Tests
Localization