feat: add client-side video merge/concatenate support#882
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chavanGaneshDatta wants to merge 1 commit into
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feat: add client-side video merge/concatenate support#882chavanGaneshDatta wants to merge 1 commit into
chavanGaneshDatta wants to merge 1 commit into
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👋 Thanks for your PR, @chavanGaneshDatta!Welcome to Reframe — a browser-based video editor built for everyone 🎬
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✅ PR Format Check Passed — @chavanGaneshDattaBasic format checks passed. A maintainer will review your code changes. This does not mean the PR is approved — it just means the format is correct. |
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Description
This PR adds full client-side video merge / concatenate support to Reframe using the existing FFmpeg.wasm pipeline.
Previously, Reframe only supported workflows involving a single uploaded video. With this implementation, users can now upload multiple clips, rearrange them, preview individual clips, and export them as a single merged video directly in the browser.
Features Implemented:
Added support for multiple video uploads
Added clip sequencing UI
Added clip reordering support (move up/down)
Added clip removal support
Added clickable clip previews
Integrated multi-video merge support into export workflow
Implemented client-side video merging using FFmpeg.wasm
Added clip normalization pipeline for stable playback across different video formats
Added merged video metadata extraction (resolution support)
Preserved existing single-video workflows without regressions
Improved accessibility for interactive clip controls
Related Issue
Closes #427
Type of Contribution
Participant Info
Screen Recording
Reframe.Resize.trim.and.export.videos.in.your.browser.-.Brave.2026-05-21.23-54-17.-.Trim.mp4
Exported Successfully Image
Output Merged Video
Media.Player.2026-05-22.00-02-12.mp4
Checklist
bun run lintpasses (no ESLint errors)bunx tsc --noEmitpasses (no TypeScript errors)aria-label/ accessible namesconsole.logstatements left in