feat: video editor audio editing, live text preview, transition preview, crop preview, timeline zoom, loop toggle, and mask_points pass-through#165

Merged

AEmotionStudio merged 11 commits intomainfrom

feat/video-editor-enhancements

Mar 11, 2026

Commits on Mar 11, 2026

feat: video editor audio editing, live text preview, transition preview, crop preview, timeline zoom, loop toggle, and mask_points pass-through
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refactor: update video editor segment management and transport controls
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feat: Add audio segment editing and export, improve waveform extraction, and update timeline rendering for audio changes.
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feat: Enhance audio mixer reset, ensure unique IDs for split audio segments, simplify transition preview logic, reduce client-side waveform extraction limit, and adjust export fast path conditions.
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Fix: Reorder audio reset logic to ensure callbacks execute before state reset and clarify transition direction inversion for symmetric visual effects.
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feat: Separate master audio volume from segment controls and debounce text overlay preview updates.
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perf: Optimize audio timeline playhead rendering with a lightweight redraw method and clarify master volume export in the editor modal.
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feat: Initialize new projects with `audioSegments`, optimize timeline hover rendering to prevent unnecessary redraws, and remove the redundant `AudioMixer.getVolume` method.
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feat: Implement server-side audio waveform extraction using FFmpeg and integrate it into the video editor UI.
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feat: Add audio segment processing to video rendering and optimize audio timeline segment lookup.
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test: Adjust agent configuration timeout assertion to 45.0.
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