Merge pull request #394 from LorenzoLancia/feature/blur-selection

feat: add blur selection (rectangle, oval)

src/components/video-editor/AnnotationOverlay.tsx

@@ -1,8 +1,28 @@
-import { useRef } from "react";
+import { type CSSProperties, type PointerEvent, useRef, useState } from "react";
 import { Rnd } from "react-rnd";
 import { cn } from "@/lib/utils";
 import { getArrowComponent } from "./ArrowSvgs";
-import type { AnnotationRegion } from "./types";
+import {
+	type AnnotationRegion,
+	type BlurData,
+	DEFAULT_BLUR_DATA,
+	DEFAULT_BLUR_INTENSITY,
+} from "./types";
+
+const FREEHAND_POINT_THRESHOLD = 1;
+
+function buildBlurPolygonClipPath(points: Array<{ x: number; y: number }>) {
+	if (points.length < 3) return undefined;
+	const polygon = points.map((point) => `${point.x}% ${point.y}%`).join(", ");
+	return `polygon(${polygon})`;
+}
+
+function buildBlurFreehandPath(points: Array<{ x: number; y: number }>, closed = true) {
+	if (closed ? points.length < 3 : points.length < 2) return null;
+	const [firstPoint, ...rest] = points;
+	const path = `M ${firstPoint.x} ${firstPoint.y} ${rest.map((point) => `L ${point.x} ${point.y}`).join(" ")}`;
+	return closed ? `${path} Z` : path;
+}
 
 interface AnnotationOverlayProps {
 	annotation: AnnotationRegion;
@@ -11,6 +31,8 @@ interface AnnotationOverlayProps {
 	containerHeight: number;
 	onPositionChange: (id: string, position: { x: number; y: number }) => void;
 	onSizeChange: (id: string, size: { width: number; height: number }) => void;
+	onBlurDataChange?: (id: string, blurData: BlurData) => void;
+	onBlurDataCommit?: () => void;
 	onClick: (id: string) => void;
 	zIndex: number;
 	isSelectedBoost: boolean; // Boost z-index when selected for easy editing
@@ -23,6 +45,8 @@ export function AnnotationOverlay({
 	containerHeight,
 	onPositionChange,
 	onSizeChange,
+	onBlurDataChange,
+	onBlurDataCommit,
 	onClick,
 	zIndex,
 	isSelectedBoost,
@@ -31,8 +55,16 @@ export function AnnotationOverlay({
 	const y = (annotation.position.y / 100) * containerHeight;
 	const width = (annotation.size.width / 100) * containerWidth;
 	const height = (annotation.size.height / 100) * containerHeight;
-
+	const blurShape = annotation.type === "blur" ? (annotation.blurData?.shape ?? "rectangle") : null;
+	const isSelectedFreehandBlur = isSelected && blurShape === "freehand";
 	const isDraggingRef = useRef(false);
+	const isDrawingFreehandRef = useRef(false);
+	const freehandPointsRef = useRef<Array<{ x: number; y: number }>>([]);
+	const [isFreehandDrawing, setIsFreehandDrawing] = useState(false);
+	const [draftFreehandPoints, setDraftFreehandPoints] = useState<Array<{ x: number; y: number }>>(
+		[],
+	);
+	const [livePointerPoint, setLivePointerPoint] = useState<{ x: number; y: number } | null>(null);
 
 	const renderArrow = () => {
 		const direction = annotation.figureData?.arrowDirection || "right";
@@ -43,6 +75,95 @@ export function AnnotationOverlay({
 		return <ArrowComponent color={color} strokeWidth={strokeWidth} />;
 	};
 
+	const normalizePoint = (event: PointerEvent<HTMLDivElement>) => {
+		const rect = event.currentTarget.getBoundingClientRect();
+		const x = ((event.clientX - rect.left) / rect.width) * 100;
+		const y = ((event.clientY - rect.top) / rect.height) * 100;
+		return {
+			x: Math.max(0, Math.min(100, x)),
+			y: Math.max(0, Math.min(100, y)),
+		};
+	};
+
+	const appendFreehandPoint = (point: { x: number; y: number }) => {
+		const points = freehandPointsRef.current;
+		const lastPoint = points[points.length - 1];
+		if (!lastPoint) {
+			points.push(point);
+			return;
+		}
+		const dx = point.x - lastPoint.x;
+		const dy = point.y - lastPoint.y;
+		// Sample freehand points in annotation-space percent units to avoid overly dense paths.
+		if (Math.hypot(dx, dy) >= FREEHAND_POINT_THRESHOLD) {
+			points.push(point);
+		}
+	};
+
+	const handleFreehandPointerDown = (event: PointerEvent<HTMLDivElement>) => {
+		if (
+			!isSelected ||
+			annotation.type !== "blur" ||
+			annotation.blurData?.shape !== "freehand" ||
+			!onBlurDataChange
+		) {
+			return;
+		}
+		event.preventDefault();
+		event.stopPropagation();
+		event.currentTarget.setPointerCapture(event.pointerId);
+		isDrawingFreehandRef.current = true;
+		setIsFreehandDrawing(true);
+		const point = normalizePoint(event);
+		freehandPointsRef.current = [point];
+		setDraftFreehandPoints([point]);
+		setLivePointerPoint(point);
+	};
+
+	const handleFreehandPointerMove = (event: PointerEvent<HTMLDivElement>) => {
+		if (!isDrawingFreehandRef.current) return;
+		event.preventDefault();
+		event.stopPropagation();
+		const point = normalizePoint(event);
+		setLivePointerPoint(point);
+		appendFreehandPoint(point);
+		setDraftFreehandPoints([...freehandPointsRef.current]);
+	};
+
+	const finishFreehandPointer = (event: PointerEvent<HTMLDivElement>) => {
+		if (!isDrawingFreehandRef.current || !onBlurDataChange) return;
+		isDrawingFreehandRef.current = false;
+		setIsFreehandDrawing(false);
+		try {
+			event.currentTarget.releasePointerCapture(event.pointerId);
+		} catch {
+			// no-op if already released
+		}
+		const points = [...freehandPointsRef.current];
+		if (livePointerPoint) {
+			const last = points[points.length - 1];
+			if (!last || Math.hypot(last.x - livePointerPoint.x, last.y - livePointerPoint.y) > 0.001) {
+				points.push(livePointerPoint);
+			}
+		}
+		if (points.length >= 3) {
+			const closedPoints = [...points];
+			const first = closedPoints[0];
+			const last = closedPoints[closedPoints.length - 1];
+			if (Math.hypot(last.x - first.x, last.y - first.y) > 0.001) {
+				closedPoints.push({ ...first });
+			}
+			onBlurDataChange(annotation.id, {
+				...(annotation.blurData || { ...DEFAULT_BLUR_DATA, shape: "freehand" }),
+				shape: "freehand",
+				freehandPoints: closedPoints,
+			});
+			setDraftFreehandPoints(closedPoints);
+			onBlurDataCommit?.();
+		}
+		setLivePointerPoint(null);
+	};
+
 	const renderContent = () => {
 		switch (annotation.type) {
 			case "text":
@@ -113,6 +234,114 @@ export function AnnotationOverlay({
 					<div className="w-full h-full flex items-center justify-center p-2">{renderArrow()}</div>
 				);
 
+			case "blur": {
+				const shape = annotation.blurData?.shape ?? "rectangle";
+				const blurIntensity = Math.max(
+					1,
+					Math.round(annotation.blurData?.intensity ?? DEFAULT_BLUR_INTENSITY),
+				);
+				const activeFreehandPoints =
+					shape === "freehand"
+						? isFreehandDrawing
+							? draftFreehandPoints
+							: (annotation.blurData?.freehandPoints ?? [])
+						: [];
+				const drawingPoints =
+					isFreehandDrawing && livePointerPoint
+						? (() => {
+								const last = activeFreehandPoints[activeFreehandPoints.length - 1];
+								if (!last) return [livePointerPoint];
+								const dx = livePointerPoint.x - last.x;
+								const dy = livePointerPoint.y - last.y;
+								return Math.hypot(dx, dy) > 0.01
+									? [...activeFreehandPoints, livePointerPoint]
+									: activeFreehandPoints;
+							})()
+						: activeFreehandPoints;
+				const clipPath =
+					shape === "freehand" ? buildBlurPolygonClipPath(activeFreehandPoints) : undefined;
+				const freehandPath =
+					shape === "freehand"
+						? buildBlurFreehandPath(
+								isFreehandDrawing ? drawingPoints : activeFreehandPoints,
+								!isFreehandDrawing,
+							)
+						: null;
+				const currentPointerPoint = isFreehandDrawing
+					? livePointerPoint || drawingPoints[drawingPoints.length - 1] || null
+					: null;
+				const shapeBorderRadius = shape === "oval" ? "50%" : shape === "rectangle" ? "8px" : "0";
+				const shouldShowFreehandBlurFill =
+					shape !== "freehand" || (!!clipPath && !isFreehandDrawing);
+				const shapeMaskStyle: CSSProperties = {
+					borderRadius: shapeBorderRadius,
+					clipPath: isFreehandDrawing ? undefined : clipPath,
+					WebkitClipPath: isFreehandDrawing ? undefined : clipPath,
+				};
+				const isFreehandSelected = isSelectedFreehandBlur;
+				return (
+					<div className="w-full h-full relative">
+						<div
+							className="absolute inset-0 overflow-hidden"
+							style={{
+								...shapeMaskStyle,
+								isolation: "isolate",
+							}}
+						>
+							<div
+								className="absolute inset-0"
+								style={{
+									...shapeMaskStyle,
+									backdropFilter: `blur(${blurIntensity}px)`,
+									WebkitBackdropFilter: `blur(${blurIntensity}px)`,
+									backgroundColor: "rgba(255, 255, 255, 0.02)",
+									opacity: shouldShowFreehandBlurFill ? 1 : 0,
+								}}
+							/>
+							{isSelected && shape !== "freehand" && (
+								<div
+									className="absolute inset-0 pointer-events-none border-2 border-[#34B27B]/80"
+									style={{ borderRadius: shapeBorderRadius }}
+								/>
+							)}
+						</div>
+						{isSelected && shape === "freehand" && freehandPath && (
+							<svg
+								viewBox="0 0 100 100"
+								preserveAspectRatio="none"
+								className="absolute inset-0 pointer-events-none"
+							>
+								<path
+									d={freehandPath}
+									fill="none"
+									stroke="#34B27B"
+									strokeWidth="0.55"
+									strokeLinecap="round"
+									strokeLinejoin="round"
+								/>
+								{currentPointerPoint && (
+									<circle
+										cx={currentPointerPoint.x}
+										cy={currentPointerPoint.y}
+										r="0.6"
+										fill="#34B27B"
+									/>
+								)}
+							</svg>
+						)}
+						{isFreehandSelected && (
+							<div
+								className="absolute inset-0 cursor-crosshair"
+								onPointerDown={handleFreehandPointerDown}
+								onPointerMove={handleFreehandPointerMove}
+								onPointerUp={finishFreehandPointer}
+								onPointerCancel={finishFreehandPointer}
+							/>
+						)}
+					</div>
+				);
+			}
+
 			default:
 				return null;
 		}
@@ -149,18 +378,23 @@ export function AnnotationOverlay({
 			}}
 			bounds="parent"
 			className={cn(
-				"cursor-move transition-all",
-				isSelected && "ring-2 ring-[#34B27B] ring-offset-2 ring-offset-transparent",
+				"cursor-move",
+				isSelected &&
+					annotation.type !== "blur" &&
+					"ring-2 ring-[#34B27B] ring-offset-2 ring-offset-transparent",
 			)}
 			style={{
 				zIndex: isSelectedBoost ? zIndex + 1000 : zIndex, // Boost selected annotation to ensure it's on top
 				pointerEvents: isSelected ? "auto" : "none",
-				border: isSelected ? "2px solid rgba(52, 178, 123, 0.8)" : "none",
-				backgroundColor: isSelected ? "rgba(52, 178, 123, 0.1)" : "transparent",
-				boxShadow: isSelected ? "0 0 0 1px rgba(52, 178, 123, 0.35)" : "none",
+				border:
+					isSelected && annotation.type !== "blur" ? "2px solid rgba(52, 178, 123, 0.8)" : "none",
+				backgroundColor:
+					isSelected && annotation.type !== "blur" ? "rgba(52, 178, 123, 0.1)" : "transparent",
+				boxShadow:
+					isSelected && annotation.type !== "blur" ? "0 0 0 1px rgba(52, 178, 123, 0.35)" : "none",
 			}}
-			enableResizing={isSelected}
-			disableDragging={!isSelected}
+			enableResizing={isSelected && !isSelectedFreehandBlur}
+			disableDragging={!isSelected || isSelectedFreehandBlur}
 			resizeHandleStyles={{
 				topLeft: {
 					width: "12px",
@@ -206,11 +440,13 @@ export function AnnotationOverlay({
 		>
 			<div
 				className={cn(
-					"w-full h-full rounded-lg",
+					"w-full h-full",
+					annotation.type !== "blur" && "rounded-lg",
 					annotation.type === "text" && "bg-transparent",
 					annotation.type === "image" && "bg-transparent",
 					annotation.type === "figure" && "bg-transparent",
-					isSelected && "shadow-lg",
+					annotation.type === "blur" && "bg-transparent",
+					isSelected && annotation.type !== "blur" && "shadow-lg",
 				)}
 			>
 				{renderContent()}

src/components/video-editor/AnnotationSettingsPanel.tsx

@@ -32,7 +32,12 @@ import { type CustomFont, getCustomFonts } from "@/lib/customFonts";
 import { cn } from "@/lib/utils";
 import { AddCustomFontDialog } from "./AddCustomFontDialog";
 import { getArrowComponent } from "./ArrowSvgs";
-import type { AnnotationRegion, AnnotationType, ArrowDirection, FigureData } from "./types";
+import {
+	type AnnotationRegion,
+	type AnnotationType,
+	type ArrowDirection,
+	type FigureData,
+} from "./types";
 
 interface AnnotationSettingsPanelProps {
 	annotation: AnnotationRegion;

src/components/video-editor/BlurSettingsPanel.tsx

@@ -0,0 +1,142 @@
+import { Info, Trash2 } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { Slider } from "@/components/ui/slider";
+import { useScopedT } from "@/contexts/I18nContext";
+import { cn } from "@/lib/utils";
+import {
+	type AnnotationRegion,
+	type BlurData,
+	type BlurShape,
+	DEFAULT_BLUR_DATA,
+	MAX_BLUR_INTENSITY,
+	MIN_BLUR_INTENSITY,
+} from "./types";
+
+interface BlurSettingsPanelProps {
+	blurRegion: AnnotationRegion;
+	onBlurDataChange: (blurData: BlurData) => void;
+	onBlurDataCommit?: () => void;
+	onDelete: () => void;
+}
+
+export function BlurSettingsPanel({
+	blurRegion,
+	onBlurDataChange,
+	onBlurDataCommit,
+	onDelete,
+}: BlurSettingsPanelProps) {
+	const t = useScopedT("settings");
+
+	const blurShapeOptions: Array<{ value: BlurShape; labelKey: string }> = [
+		{ value: "rectangle", labelKey: "blurShapeRectangle" },
+		{ value: "oval", labelKey: "blurShapeOval" },
+	];
+
+	return (
+		<div className="flex-[2] min-w-0 bg-[#09090b] border border-white/5 rounded-2xl p-4 flex flex-col shadow-xl h-full overflow-y-auto custom-scrollbar">
+			<div className="mb-6">
+				<div className="flex items-center justify-between mb-4">
+					<span className="text-sm font-medium text-slate-200">{t("annotation.blurShape")}</span>
+					<span className="text-[10px] uppercase tracking-wider font-medium text-[#34B27B] bg-[#34B27B]/10 px-2 py-1 rounded-full">
+						{t("annotation.active")}
+					</span>
+				</div>
+
+				<div className="grid grid-cols-2 gap-2">
+					{blurShapeOptions.map((shape) => {
+						const activeShape = blurRegion.blurData?.shape || DEFAULT_BLUR_DATA.shape;
+						const isActive = activeShape === shape.value;
+						return (
+							<button
+								key={shape.value}
+								onClick={() => {
+									const nextBlurData: BlurData = {
+										...DEFAULT_BLUR_DATA,
+										...blurRegion.blurData,
+										shape: shape.value,
+									};
+									onBlurDataChange(nextBlurData);
+									requestAnimationFrame(() => {
+										onBlurDataCommit?.();
+									});
+								}}
+								className={cn(
+									"h-16 rounded-lg border flex flex-col items-center justify-center transition-all p-2 gap-1",
+									isActive
+										? "bg-[#34B27B] border-[#34B27B]"
+										: "bg-white/5 border-white/10 hover:bg-white/10 hover:border-white/20",
+								)}
+							>
+								{shape.value === "rectangle" && (
+									<div
+										className={cn(
+											"w-8 h-5 border-2 rounded-sm",
+											isActive ? "border-white" : "border-slate-400",
+										)}
+									/>
+								)}
+								{shape.value === "oval" && (
+									<div
+										className={cn(
+											"w-8 h-5 border-2 rounded-full",
+											isActive ? "border-white" : "border-slate-400",
+										)}
+									/>
+								)}
+								<span className="text-[10px] leading-none">
+									{t(`annotation.${shape.labelKey}`)}
+								</span>
+							</button>
+						);
+					})}
+				</div>
+
+				<div className="mt-4 p-3 rounded-lg bg-white/5 border border-white/10">
+					<div className="flex items-center justify-between mb-2">
+						<span className="text-xs font-medium text-slate-300">
+							{t("annotation.blurIntensity")}
+						</span>
+						<span className="text-[10px] text-slate-400 font-mono">
+							{Math.round(blurRegion.blurData?.intensity ?? DEFAULT_BLUR_DATA.intensity)}px
+						</span>
+					</div>
+					<Slider
+						value={[blurRegion.blurData?.intensity ?? DEFAULT_BLUR_DATA.intensity]}
+						onValueChange={(values) => {
+							onBlurDataChange({
+								...DEFAULT_BLUR_DATA,
+								...blurRegion.blurData,
+								intensity: values[0],
+							});
+						}}
+						onValueCommit={() => onBlurDataCommit?.()}
+						min={MIN_BLUR_INTENSITY}
+						max={MAX_BLUR_INTENSITY}
+						step={1}
+						className="w-full [&_[role=slider]]:bg-[#34B27B] [&_[role=slider]]:border-[#34B27B] [&_[role=slider]]:h-3 [&_[role=slider]]:w-3"
+					/>
+				</div>
+
+				<Button
+					onClick={onDelete}
+					variant="destructive"
+					size="sm"
+					className="w-full gap-2 bg-red-500/10 text-red-400 border border-red-500/20 hover:bg-red-500/20 hover:border-red-500/30 transition-all mt-4"
+				>
+					<Trash2 className="w-4 h-4" />
+					{t("annotation.deleteAnnotation")}
+				</Button>
+
+				<div className="mt-6 p-3 bg-white/5 rounded-lg border border-white/5">
+					<div className="flex items-center gap-2 mb-2 text-slate-300">
+						<Info className="w-3.5 h-3.5" />
+						<span className="text-xs font-medium">{t("annotation.shortcutsAndTips")}</span>
+					</div>
+					<ul className="text-[10px] text-slate-400 space-y-1.5 list-disc pl-3 leading-relaxed">
+						<li>{t("annotation.tipMovePlayhead")}</li>
+					</ul>
+				</div>
+			</div>
+		</div>
+	);
+}

src/components/video-editor/SettingsPanel.tsx

@@ -42,11 +42,13 @@ import { cn } from "@/lib/utils";
 import { type AspectRatio, isPortraitAspectRatio } from "@/utils/aspectRatioUtils";
 import { getTestId } from "@/utils/getTestId";
 import { AnnotationSettingsPanel } from "./AnnotationSettingsPanel";
+import { BlurSettingsPanel } from "./BlurSettingsPanel";
 import { CropControl } from "./CropControl";
 import { KeyboardShortcutsHelp } from "./KeyboardShortcutsHelp";
 import type {
 	AnnotationRegion,
 	AnnotationType,
+	BlurData,
 	CropRegion,
 	FigureData,
 	PlaybackSpeed,
@@ -209,6 +211,11 @@ interface SettingsPanelProps {
 	onAnnotationStyleChange?: (id: string, style: Partial<AnnotationRegion["style"]>) => void;
 	onAnnotationFigureDataChange?: (id: string, figureData: FigureData) => void;
 	onAnnotationDelete?: (id: string) => void;
+	selectedBlurId?: string | null;
+	blurRegions?: AnnotationRegion[];
+	onBlurDataChange?: (id: string, blurData: BlurData) => void;
+	onBlurDataCommit?: () => void;
+	onBlurDelete?: (id: string) => void;
 	selectedSpeedId?: string | null;
 	selectedSpeedValue?: PlaybackSpeed | null;
 	onSpeedChange?: (speed: PlaybackSpeed) => void;
@@ -285,6 +292,11 @@ export function SettingsPanel({
 	onAnnotationStyleChange,
 	onAnnotationFigureDataChange,
 	onAnnotationDelete,
+	selectedBlurId,
+	blurRegions = [],
+	onBlurDataChange,
+	onBlurDataCommit,
+	onBlurDelete,
 	selectedSpeedId,
 	selectedSpeedValue,
 	onSpeedChange,
@@ -520,6 +532,9 @@ export function SettingsPanel({
 	const selectedAnnotation = selectedAnnotationId
 		? annotationRegions.find((a) => a.id === selectedAnnotationId)
 		: null;
+	const selectedBlur = selectedBlurId
+		? blurRegions.find((region) => region.id === selectedBlurId)
+		: null;
 
 	// If an annotation is selected, show annotation settings instead
 	if (
@@ -545,6 +560,17 @@ export function SettingsPanel({
 		);
 	}
 
+	if (selectedBlur && onBlurDataChange && onBlurDelete) {
+		return (
+			<BlurSettingsPanel
+				blurRegion={selectedBlur}
+				onBlurDataChange={(blurData) => onBlurDataChange(selectedBlur.id, blurData)}
+				onBlurDataCommit={onBlurDataCommit}
+				onDelete={() => onBlurDelete(selectedBlur.id)}
+			/>
+		);
+	}
+
 	return (
 		<div className="flex-[2] min-w-0 bg-[#09090b] border border-white/5 rounded-2xl flex flex-col shadow-xl h-full overflow-hidden">
 			<div className="flex-1 overflow-y-auto custom-scrollbar p-4 pb-0">

src/components/video-editor/VideoEditor.tsx

@@ -54,11 +54,13 @@ import { SettingsPanel } from "./SettingsPanel";
 import TimelineEditor from "./timeline/TimelineEditor";
 import {
 	type AnnotationRegion,
+	type BlurData,
 	type CursorTelemetryPoint,
 	clampFocusToDepth,
 	DEFAULT_ANNOTATION_POSITION,
 	DEFAULT_ANNOTATION_SIZE,
 	DEFAULT_ANNOTATION_STYLE,
+	DEFAULT_BLUR_DATA,
 	DEFAULT_FIGURE_DATA,
 	DEFAULT_PLAYBACK_SPEED,
 	DEFAULT_ZOOM_DEPTH,
@@ -122,6 +124,7 @@ export default function VideoEditor() {
 	const [selectedTrimId, setSelectedTrimId] = useState<string | null>(null);
 	const [selectedSpeedId, setSelectedSpeedId] = useState<string | null>(null);
 	const [selectedAnnotationId, setSelectedAnnotationId] = useState<string | null>(null);
+	const [selectedBlurId, setSelectedBlurId] = useState<string | null>(null);
 	const [isExporting, setIsExporting] = useState(false);
 	const [exportProgress, setExportProgress] = useState<ExportProgress | null>(null);
 	const [exportError, setExportError] = useState<string | null>(null);
@@ -157,6 +160,15 @@ export default function VideoEditor() {
 	const nextAnnotationZIndexRef = useRef(1);
 	const exporterRef = useRef<VideoExporter | null>(null);
 
+	const annotationOnlyRegions = useMemo(
+		() => annotationRegions.filter((region) => region.type !== "blur"),
+		[annotationRegions],
+	);
+	const blurRegions = useMemo(
+		() => annotationRegions.filter((region) => region.type === "blur"),
+		[annotationRegions],
+	);
+
 	const currentProjectMedia = useMemo<ProjectMedia | null>(() => {
 		const screenVideoPath = videoSourcePath ?? (videoPath ? fromFileUrl(videoPath) : null);
 		if (!screenVideoPath) {
@@ -229,6 +241,7 @@ export default function VideoEditor() {
 			setSelectedTrimId(null);
 			setSelectedSpeedId(null);
 			setSelectedAnnotationId(null);
+			setSelectedBlurId(null);
 
 			nextZoomIdRef.current = deriveNextId(
 				"zoom",
@@ -626,7 +639,11 @@ export default function VideoEditor() {
 
 	const handleSelectZoom = useCallback((id: string | null) => {
 		setSelectedZoomId(id);
-		if (id) setSelectedTrimId(null);
+		if (id) {
+			setSelectedTrimId(null);
+			setSelectedAnnotationId(null);
+			setSelectedBlurId(null);
+		}
 	}, []);
 
 	const handleSelectTrim = useCallback((id: string | null) => {
@@ -634,6 +651,7 @@ export default function VideoEditor() {
 		if (id) {
 			setSelectedZoomId(null);
 			setSelectedAnnotationId(null);
+			setSelectedBlurId(null);
 		}
 	}, []);
 
@@ -642,6 +660,17 @@ export default function VideoEditor() {
 		if (id) {
 			setSelectedZoomId(null);
 			setSelectedTrimId(null);
+			setSelectedBlurId(null);
+		}
+	}, []);
+
+	const handleSelectBlur = useCallback((id: string | null) => {
+		setSelectedBlurId(id);
+		if (id) {
+			setSelectedZoomId(null);
+			setSelectedTrimId(null);
+			setSelectedAnnotationId(null);
+			setSelectedSpeedId(null);
 		}
 	}, []);
 
@@ -659,6 +688,7 @@ export default function VideoEditor() {
 			setSelectedZoomId(id);
 			setSelectedTrimId(null);
 			setSelectedAnnotationId(null);
+			setSelectedBlurId(null);
 		},
 		[pushState],
 	);
@@ -677,6 +707,7 @@ export default function VideoEditor() {
 			setSelectedZoomId(id);
 			setSelectedTrimId(null);
 			setSelectedAnnotationId(null);
+			setSelectedBlurId(null);
 		},
 		[pushState],
 	);
@@ -693,6 +724,7 @@ export default function VideoEditor() {
 			setSelectedTrimId(id);
 			setSelectedZoomId(null);
 			setSelectedAnnotationId(null);
+			setSelectedBlurId(null);
 		},
 		[pushState],
 	);
@@ -803,6 +835,7 @@ export default function VideoEditor() {
 			setSelectedZoomId(null);
 			setSelectedTrimId(null);
 			setSelectedAnnotationId(null);
+			setSelectedBlurId(null);
 		}
 	}, []);
 
@@ -822,6 +855,7 @@ export default function VideoEditor() {
 			setSelectedZoomId(null);
 			setSelectedTrimId(null);
 			setSelectedAnnotationId(null);
+			setSelectedBlurId(null);
 		},
 		[pushState],
 	);
@@ -888,6 +922,35 @@ export default function VideoEditor() {
 			setSelectedAnnotationId(id);
 			setSelectedZoomId(null);
 			setSelectedTrimId(null);
+			setSelectedBlurId(null);
+		},
+		[pushState],
+	);
+
+	const handleBlurAdded = useCallback(
+		(span: Span) => {
+			const id = `annotation-${nextAnnotationIdRef.current++}`;
+			const zIndex = nextAnnotationZIndexRef.current++;
+			const newRegion: AnnotationRegion = {
+				id,
+				startMs: Math.round(span.start),
+				endMs: Math.round(span.end),
+				type: "blur",
+				content: "",
+				position: { ...DEFAULT_ANNOTATION_POSITION },
+				size: { ...DEFAULT_ANNOTATION_SIZE },
+				style: { ...DEFAULT_ANNOTATION_STYLE },
+				zIndex,
+				blurData: { ...DEFAULT_BLUR_DATA },
+			};
+			pushState((prev) => ({
+				annotationRegions: [...prev.annotationRegions, newRegion],
+			}));
+			setSelectedBlurId(id);
+			setSelectedAnnotationId(null);
+			setSelectedZoomId(null);
+			setSelectedTrimId(null);
+			setSelectedSpeedId(null);
 		},
 		[pushState],
 	);
@@ -917,8 +980,11 @@ export default function VideoEditor() {
 			if (selectedAnnotationId === id) {
 				setSelectedAnnotationId(null);
 			}
+			if (selectedBlurId === id) {
+				setSelectedBlurId(null);
+			}
 		},
-		[selectedAnnotationId, pushState],
+		[selectedAnnotationId, selectedBlurId, pushState],
 	);
 
 	const handleAnnotationContentChange = useCallback(
@@ -953,12 +1019,26 @@ export default function VideoEditor() {
 						if (!region.figureData) {
 							updatedRegion.figureData = { ...DEFAULT_FIGURE_DATA };
 						}
+					} else if (type === "blur") {
+						updatedRegion.content = "";
+						if (!region.blurData) {
+							updatedRegion.blurData = { ...DEFAULT_BLUR_DATA };
+						}
 					}
 					return updatedRegion;
 				}),
 			}));
+
+			if (type === "blur" && selectedAnnotationId === id) {
+				setSelectedAnnotationId(null);
+				setSelectedBlurId(id);
+				setSelectedSpeedId(null);
+			} else if (type !== "blur" && selectedBlurId === id) {
+				setSelectedBlurId(null);
+				setSelectedAnnotationId(id);
+			}
 		},
-		[pushState],
+		[pushState, selectedAnnotationId, selectedBlurId],
 	);
 
 	const handleAnnotationStyleChange = useCallback(
@@ -983,6 +1063,51 @@ export default function VideoEditor() {
 		[pushState],
 	);
 
+	const handleBlurDataPreviewChange = useCallback(
+		(id: string, blurData: BlurData) => {
+			updateState((prev) => ({
+				annotationRegions: prev.annotationRegions.map((region) =>
+					region.id === id
+						? {
+								...region,
+								blurData,
+								// Freehand drawing area is the full video surface.
+								...(blurData.shape === "freehand"
+									? {
+											position: { x: 0, y: 0 },
+											size: { width: 100, height: 100 },
+										}
+									: {}),
+							}
+						: region,
+				),
+			}));
+		},
+		[updateState],
+	);
+
+	const handleBlurDataPanelChange = useCallback(
+		(id: string, blurData: BlurData) => {
+			pushState((prev) => ({
+				annotationRegions: prev.annotationRegions.map((region) =>
+					region.id === id
+						? {
+								...region,
+								blurData,
+								...(blurData.shape === "freehand"
+									? {
+											position: { x: 0, y: 0 },
+											size: { width: 100, height: 100 },
+										}
+									: {}),
+							}
+						: region,
+				),
+			}));
+		},
+		[pushState],
+	);
+
 	const handleAnnotationPositionChange = useCallback(
 		(id: string, position: { x: number; y: number }) => {
 			pushState((prev) => ({
@@ -1096,11 +1221,14 @@ export default function VideoEditor() {
 	useEffect(() => {
 		if (
 			selectedAnnotationId &&
-			!annotationRegions.some((region) => region.id === selectedAnnotationId)
+			!annotationOnlyRegions.some((region) => region.id === selectedAnnotationId)
 		) {
 			setSelectedAnnotationId(null);
 		}
-	}, [selectedAnnotationId, annotationRegions]);
+		if (selectedBlurId && !blurRegions.some((region) => region.id === selectedBlurId)) {
+			setSelectedBlurId(null);
+		}
+	}, [selectedAnnotationId, selectedBlurId, annotationOnlyRegions, blurRegions]);
 
 	useEffect(() => {
 		if (selectedSpeedId && !speedRegions.some((region) => region.id === selectedSpeedId)) {
@@ -1675,11 +1803,18 @@ export default function VideoEditor() {
 											cropRegion={cropRegion}
 											trimRegions={trimRegions}
 											speedRegions={speedRegions}
-											annotationRegions={annotationRegions}
+											annotationRegions={annotationOnlyRegions}
 											selectedAnnotationId={selectedAnnotationId}
 											onSelectAnnotation={handleSelectAnnotation}
 											onAnnotationPositionChange={handleAnnotationPositionChange}
 											onAnnotationSizeChange={handleAnnotationSizeChange}
+											blurRegions={blurRegions}
+											selectedBlurId={selectedBlurId}
+											onSelectBlur={handleSelectBlur}
+											onBlurPositionChange={handleAnnotationPositionChange}
+											onBlurSizeChange={handleAnnotationSizeChange}
+											onBlurDataChange={handleBlurDataPreviewChange}
+											onBlurDataCommit={commitState}
 											cursorTelemetry={cursorTelemetry}
 										/>
 									</div>
@@ -1732,12 +1867,18 @@ export default function VideoEditor() {
 									onSpeedDelete={handleSpeedDelete}
 									selectedSpeedId={selectedSpeedId}
 									onSelectSpeed={handleSelectSpeed}
-									annotationRegions={annotationRegions}
+									annotationRegions={annotationOnlyRegions}
 									onAnnotationAdded={handleAnnotationAdded}
 									onAnnotationSpanChange={handleAnnotationSpanChange}
 									onAnnotationDelete={handleAnnotationDelete}
 									selectedAnnotationId={selectedAnnotationId}
 									onSelectAnnotation={handleSelectAnnotation}
+									blurRegions={blurRegions}
+									onBlurAdded={handleBlurAdded}
+									onBlurSpanChange={handleAnnotationSpanChange}
+									onBlurDelete={handleAnnotationDelete}
+									selectedBlurId={selectedBlurId}
+									onSelectBlur={handleSelectBlur}
 									aspectRatio={aspectRatio}
 									onAspectRatioChange={(ar) =>
 										pushState({
@@ -1830,12 +1971,17 @@ export default function VideoEditor() {
 						)}
 						onExport={handleOpenExportDialog}
 						selectedAnnotationId={selectedAnnotationId}
-						annotationRegions={annotationRegions}
+						annotationRegions={annotationOnlyRegions}
 						onAnnotationContentChange={handleAnnotationContentChange}
 						onAnnotationTypeChange={handleAnnotationTypeChange}
 						onAnnotationStyleChange={handleAnnotationStyleChange}
 						onAnnotationFigureDataChange={handleAnnotationFigureDataChange}
 						onAnnotationDelete={handleAnnotationDelete}
+						selectedBlurId={selectedBlurId}
+						blurRegions={blurRegions}
+						onBlurDataChange={handleBlurDataPanelChange}
+						onBlurDataCommit={commitState}
+						onBlurDelete={handleAnnotationDelete}
 						selectedSpeedId={selectedSpeedId}
 						selectedSpeedValue={
 							selectedSpeedId

src/components/video-editor/VideoPlayback.tsx

@@ -35,6 +35,7 @@ import {
 import { AnnotationOverlay } from "./AnnotationOverlay";
 import {
 	type AnnotationRegion,
+	type BlurData,
 	type SpeedRegion,
 	type TrimRegion,
 	ZOOM_DEPTH_SCALES,
@@ -101,6 +102,13 @@ interface VideoPlaybackProps {
 	onSelectAnnotation?: (id: string | null) => void;
 	onAnnotationPositionChange?: (id: string, position: { x: number; y: number }) => void;
 	onAnnotationSizeChange?: (id: string, size: { width: number; height: number }) => void;
+	blurRegions?: AnnotationRegion[];
+	selectedBlurId?: string | null;
+	onSelectBlur?: (id: string | null) => void;
+	onBlurPositionChange?: (id: string, position: { x: number; y: number }) => void;
+	onBlurSizeChange?: (id: string, size: { width: number; height: number }) => void;
+	onBlurDataChange?: (id: string, blurData: BlurData) => void;
+	onBlurDataCommit?: () => void;
 	cursorTelemetry?: import("./types").CursorTelemetryPoint[];
 }
 
@@ -152,6 +160,13 @@ const VideoPlayback = forwardRef<VideoPlaybackRef, VideoPlaybackProps>(
 			onSelectAnnotation,
 			onAnnotationPositionChange,
 			onAnnotationSizeChange,
+			blurRegions = [],
+			selectedBlurId,
+			onSelectBlur,
+			onBlurPositionChange,
+			onBlurSizeChange,
+			onBlurDataChange,
+			onBlurDataCommit,
 			cursorTelemetry = [],
 		},
 		ref,
@@ -166,6 +181,8 @@ const VideoPlayback = forwardRef<VideoPlaybackRef, VideoPlaybackProps>(
 		const timeUpdateAnimationRef = useRef<number | null>(null);
 		const [pixiReady, setPixiReady] = useState(false);
 		const [videoReady, setVideoReady] = useState(false);
+		const [overlaySize, setOverlaySize] = useState({ width: 800, height: 600 });
+		const [overlayElement, setOverlayElement] = useState<HTMLDivElement | null>(null);
 		const overlayRef = useRef<HTMLDivElement | null>(null);
 		const focusIndicatorRef = useRef<HTMLDivElement | null>(null);
 		const [webcamLayout, setWebcamLayout] = useState<StyledRenderRect | null>(null);
@@ -330,6 +347,11 @@ const VideoPlayback = forwardRef<VideoPlaybackRef, VideoPlaybackProps>(
 			layoutVideoContentRef.current = layoutVideoContent;
 		}, [layoutVideoContent]);
 
+		const setOverlayRefs = useCallback((node: HTMLDivElement | null) => {
+			overlayRef.current = node;
+			setOverlayElement(node);
+		}, []);
+
 		const selectedZoom = useMemo(() => {
 			if (!selectedZoomId) return null;
 			return zoomRegions.find((region) => region.id === selectedZoomId) ?? null;
@@ -623,7 +645,8 @@ const VideoPlayback = forwardRef<VideoPlaybackRef, VideoPlaybackProps>(
 		}, [selectedZoom, pixiReady, videoReady, updateOverlayForRegion]);
 
 		useEffect(() => {
-			const overlayEl = overlayRef.current;
+			if (!pixiReady || !videoReady) return;
+			const overlayEl = overlayElement;
 			if (!overlayEl) return;
 			if (!selectedZoom) {
 				overlayEl.style.cursor = "default";
@@ -632,7 +655,34 @@ const VideoPlayback = forwardRef<VideoPlaybackRef, VideoPlaybackProps>(
 			}
 			overlayEl.style.cursor = isPlaying ? "not-allowed" : "grab";
 			overlayEl.style.pointerEvents = isPlaying ? "none" : "auto";
-		}, [selectedZoom, isPlaying]);
+		}, [selectedZoom, isPlaying, pixiReady, videoReady, overlayElement]);
+
+		useEffect(() => {
+			const overlayEl = overlayElement;
+			if (!overlayEl) return;
+
+			const updateOverlaySize = () => {
+				const width = overlayEl.clientWidth || 800;
+				const height = overlayEl.clientHeight || 600;
+				setOverlaySize((prev) => {
+					if (prev.width === width && prev.height === height) return prev;
+					return { width, height };
+				});
+			};
+
+			updateOverlaySize();
+
+			if (typeof ResizeObserver !== "undefined") {
+				const observer = new ResizeObserver(() => {
+					updateOverlaySize();
+				});
+				observer.observe(overlayEl);
+				return () => observer.disconnect();
+			}
+
+			window.addEventListener("resize", updateOverlaySize);
+			return () => window.removeEventListener("resize", updateOverlaySize);
+		}, [overlayElement]);
 
 		useEffect(() => {
 			const container = containerRef.current;
@@ -1287,7 +1337,7 @@ const VideoPlayback = forwardRef<VideoPlaybackRef, VideoPlaybackProps>(
 				{/* Only render overlay after PIXI and video are fully initialized */}
 				{pixiReady && videoReady && (
 					<div
-						ref={overlayRef}
+						ref={setOverlayRefs}
 						className="absolute inset-0 select-none"
 						style={{ pointerEvents: "none", zIndex: 30 }}
 						onPointerDown={handleOverlayPointerDown}
@@ -1301,7 +1351,7 @@ const VideoPlayback = forwardRef<VideoPlaybackRef, VideoPlaybackProps>(
 							style={{ display: "none", pointerEvents: "none" }}
 						/>
 						{(() => {
-							const filtered = (annotationRegions || []).filter((annotation) => {
+							const filteredAnnotations = (annotationRegions || []).filter((annotation) => {
 								if (typeof annotation.startMs !== "number" || typeof annotation.endMs !== "number")
 									return false;
 
@@ -1311,37 +1361,93 @@ const VideoPlayback = forwardRef<VideoPlaybackRef, VideoPlaybackProps>(
 								return timeMs >= annotation.startMs && timeMs <= annotation.endMs;
 							});
 
-							// Sort by z-index (lowest to highest) so higher z-index renders on top
-							const sorted = [...filtered].sort((a, b) => a.zIndex - b.zIndex);
+							const filteredBlurRegions = (blurRegions || []).filter((blurRegion) => {
+								if (typeof blurRegion.startMs !== "number" || typeof blurRegion.endMs !== "number")
+									return false;
+
+								if (blurRegion.id === selectedBlurId) return true;
+
+								const timeMs = Math.round(currentTime * 1000);
+								return timeMs >= blurRegion.startMs && timeMs <= blurRegion.endMs;
+							});
+
+							const sorted = [
+								...filteredAnnotations.map((annotation) => ({
+									kind: "annotation" as const,
+									region: annotation,
+								})),
+								...filteredBlurRegions.map((blurRegion) => ({
+									kind: "blur" as const,
+									region: blurRegion,
+								})),
+							].sort((a, b) => a.region.zIndex - b.region.zIndex);
 
 							// Handle click-through cycling: when clicking same annotation, cycle to next
 							const handleAnnotationClick = (clickedId: string) => {
 								if (!onSelectAnnotation) return;
 
 								// If clicking on already selected annotation and there are multiple overlapping
-								if (clickedId === selectedAnnotationId && sorted.length > 1) {
+								if (clickedId === selectedAnnotationId && filteredAnnotations.length > 1) {
 									// Find current index and cycle to next
-									const currentIndex = sorted.findIndex((a) => a.id === clickedId);
-									const nextIndex = (currentIndex + 1) % sorted.length;
-									onSelectAnnotation(sorted[nextIndex].id);
+									const currentIndex = filteredAnnotations.findIndex((a) => a.id === clickedId);
+									const nextIndex = (currentIndex + 1) % filteredAnnotations.length;
+									onSelectAnnotation(filteredAnnotations[nextIndex].id);
 								} else {
 									// First click or clicking different annotation
 									onSelectAnnotation(clickedId);
 								}
 							};
 
-							return sorted.map((annotation) => (
+							const handleBlurClick = (clickedId: string) => {
+								if (!onSelectBlur) return;
+
+								if (clickedId === selectedBlurId && filteredBlurRegions.length > 1) {
+									const currentIndex = filteredBlurRegions.findIndex((a) => a.id === clickedId);
+									const nextIndex = (currentIndex + 1) % filteredBlurRegions.length;
+									onSelectBlur(filteredBlurRegions[nextIndex].id);
+								} else {
+									onSelectBlur(clickedId);
+								}
+							};
+
+							return sorted.map((item) => (
 								<AnnotationOverlay
-									key={annotation.id}
-									annotation={annotation}
-									isSelected={annotation.id === selectedAnnotationId}
-									containerWidth={overlayRef.current?.clientWidth || 800}
-									containerHeight={overlayRef.current?.clientHeight || 600}
-									onPositionChange={(id, position) => onAnnotationPositionChange?.(id, position)}
-									onSizeChange={(id, size) => onAnnotationSizeChange?.(id, size)}
-									onClick={handleAnnotationClick}
-									zIndex={annotation.zIndex}
-									isSelectedBoost={annotation.id === selectedAnnotationId}
+									key={
+										item.kind === "blur"
+											? `${item.region.id}-${overlaySize.width}-${overlaySize.height}-${item.region.blurData?.shape ?? "rectangle"}-${(item.region.blurData?.freehandPoints ?? []).map((p) => `${Math.round(p.x)}_${Math.round(p.y)}`).join("-")}`
+											: `${item.region.id}-${overlaySize.width}-${overlaySize.height}`
+									}
+									annotation={item.region}
+									isSelected={
+										item.kind === "blur"
+											? item.region.id === selectedBlurId
+											: item.region.id === selectedAnnotationId
+									}
+									containerWidth={overlaySize.width}
+									containerHeight={overlaySize.height}
+									onPositionChange={(id, position) =>
+										item.kind === "blur"
+											? onBlurPositionChange?.(id, position)
+											: onAnnotationPositionChange?.(id, position)
+									}
+									onSizeChange={(id, size) =>
+										item.kind === "blur"
+											? onBlurSizeChange?.(id, size)
+											: onAnnotationSizeChange?.(id, size)
+									}
+									onBlurDataChange={
+										item.kind === "blur"
+											? (id, blurData) => onBlurDataChange?.(id, blurData)
+											: undefined
+									}
+									onBlurDataCommit={item.kind === "blur" ? onBlurDataCommit : undefined}
+									onClick={item.kind === "blur" ? handleBlurClick : handleAnnotationClick}
+									zIndex={item.region.zIndex}
+									isSelectedBoost={
+										item.kind === "blur"
+											? item.region.id === selectedBlurId
+											: item.region.id === selectedAnnotationId
+									}
 								/>
 							));
 						})()}

src/components/video-editor/projectPersistence.ts

@@ -9,6 +9,9 @@ import {
 	DEFAULT_ANNOTATION_POSITION,
 	DEFAULT_ANNOTATION_SIZE,
 	DEFAULT_ANNOTATION_STYLE,
+	DEFAULT_BLUR_DATA,
+	DEFAULT_BLUR_FREEHAND_POINTS,
+	DEFAULT_BLUR_INTENSITY,
 	DEFAULT_CROP_REGION,
 	DEFAULT_FIGURE_DATA,
 	DEFAULT_PLAYBACK_SPEED,
@@ -17,7 +20,9 @@ import {
 	DEFAULT_WEBCAM_POSITION,
 	DEFAULT_WEBCAM_SIZE_PRESET,
 	DEFAULT_ZOOM_DEPTH,
+	MAX_BLUR_INTENSITY,
 	MAX_PLAYBACK_SPEED,
+	MIN_BLUR_INTENSITY,
 	MIN_PLAYBACK_SPEED,
 	type SpeedRegion,
 	type TrimRegion,
@@ -29,6 +34,7 @@ import {
 } from "./types";
 
 const WALLPAPER_COUNT = 18;
+const VALID_BLUR_SHAPES = new Set(["rectangle", "oval", "freehand"] as const);
 
 export const WALLPAPER_PATHS = Array.from(
 	{ length: WALLPAPER_COUNT },
@@ -254,12 +260,20 @@ export function normalizeProjectEditor(editor: Partial<ProjectEditorState>): Pro
 					const rawEnd = isFiniteNumber(region.endMs) ? Math.round(region.endMs) : rawStart + 1000;
 					const startMs = Math.max(0, Math.min(rawStart, rawEnd));
 					const endMs = Math.max(startMs + 1, rawEnd);
+					const blurShape =
+						typeof region.blurData?.shape === "string" &&
+						VALID_BLUR_SHAPES.has(region.blurData.shape)
+							? region.blurData.shape
+							: DEFAULT_BLUR_DATA.shape;
 
 					return {
 						id: region.id,
 						startMs,
 						endMs,
-						type: region.type === "image" || region.type === "figure" ? region.type : "text",
+						type:
+							region.type === "image" || region.type === "figure" || region.type === "blur"
+								? region.type
+								: "text",
 						content: typeof region.content === "string" ? region.content : "",
 						textContent: typeof region.textContent === "string" ? region.textContent : undefined,
 						imageContent: typeof region.imageContent === "string" ? region.imageContent : undefined,
@@ -306,6 +320,37 @@ export function normalizeProjectEditor(editor: Partial<ProjectEditorState>): Pro
 									...region.figureData,
 								}
 							: undefined,
+						blurData:
+							region.blurData && typeof region.blurData === "object"
+								? {
+										...DEFAULT_BLUR_DATA,
+										...region.blurData,
+										shape: blurShape,
+										intensity: isFiniteNumber(region.blurData.intensity)
+											? clamp(region.blurData.intensity, MIN_BLUR_INTENSITY, MAX_BLUR_INTENSITY)
+											: DEFAULT_BLUR_INTENSITY,
+										freehandPoints: Array.isArray(region.blurData.freehandPoints)
+											? region.blurData.freehandPoints
+													.filter(
+														(
+															point,
+														): point is {
+															x: number;
+															y: number;
+														} =>
+															Boolean(
+																point &&
+																	isFiniteNumber((point as { x?: unknown }).x) &&
+																	isFiniteNumber((point as { y?: unknown }).y),
+															),
+													)
+													.map((point) => ({
+														x: clamp(point.x, 0, 100),
+														y: clamp(point.y, 0, 100),
+													}))
+											: DEFAULT_BLUR_FREEHAND_POINTS,
+									}
+								: undefined,
 					};
 				})
 		: [];

src/components/video-editor/timeline/Item.tsx

@@ -14,7 +14,7 @@ interface ItemProps {
 	onSelect?: () => void;
 	zoomDepth?: number;
 	speedValue?: number;
-	variant?: "zoom" | "trim" | "annotation" | "speed";
+	variant?: "zoom" | "trim" | "annotation" | "speed" | "blur";
 }
 
 // Map zoom depth to multiplier labels

src/components/video-editor/timeline/TimelineEditor.tsx

@@ -44,6 +44,7 @@ import { detectZoomDwellCandidates, normalizeCursorTelemetry } from "./zoomSugge
 const ZOOM_ROW_ID = "row-zoom";
 const TRIM_ROW_ID = "row-trim";
 const ANNOTATION_ROW_ID = "row-annotation";
+const BLUR_ROW_ID = "row-blur";
 const SPEED_ROW_ID = "row-speed";
 const FALLBACK_RANGE_MS = 1000;
 const TARGET_MARKER_COUNT = 12;
@@ -73,6 +74,12 @@ interface TimelineEditorProps {
 	onAnnotationDelete?: (id: string) => void;
 	selectedAnnotationId?: string | null;
 	onSelectAnnotation?: (id: string | null) => void;
+	blurRegions?: AnnotationRegion[];
+	onBlurAdded?: (span: Span) => void;
+	onBlurSpanChange?: (id: string, span: Span) => void;
+	onBlurDelete?: (id: string) => void;
+	selectedBlurId?: string | null;
+	onSelectBlur?: (id: string | null) => void;
 	speedRegions?: SpeedRegion[];
 	onSpeedAdded?: (span: Span) => void;
 	onSpeedSpanChange?: (id: string, span: Span) => void;
@@ -96,7 +103,7 @@ interface TimelineRenderItem {
 	label: string;
 	zoomDepth?: number;
 	speedValue?: number;
-	variant: "zoom" | "trim" | "annotation" | "speed";
+	variant: "zoom" | "trim" | "annotation" | "speed" | "blur";
 }
 
 const SCALE_CANDIDATES = [
@@ -525,10 +532,12 @@ function Timeline({
 	onSelectZoom,
 	onSelectTrim,
 	onSelectAnnotation,
+	onSelectBlur,
 	onSelectSpeed,
 	selectedZoomId,
 	selectedTrimId,
 	selectedAnnotationId,
+	selectedBlurId,
 	selectedSpeedId,
 	keyframes = [],
 }: {
@@ -540,10 +549,12 @@ function Timeline({
 	onSelectZoom?: (id: string | null) => void;
 	onSelectTrim?: (id: string | null) => void;
 	onSelectAnnotation?: (id: string | null) => void;
+	onSelectBlur?: (id: string | null) => void;
 	onSelectSpeed?: (id: string | null) => void;
 	selectedZoomId: string | null;
 	selectedTrimId?: string | null;
 	selectedAnnotationId?: string | null;
+	selectedBlurId?: string | null;
 	selectedSpeedId?: string | null;
 	keyframes?: { id: string; time: number }[];
 }) {
@@ -568,6 +579,7 @@ function Timeline({
 			onSelectZoom?.(null);
 			onSelectTrim?.(null);
 			onSelectAnnotation?.(null);
+			onSelectBlur?.(null);
 			onSelectSpeed?.(null);
 
 			const rect = e.currentTarget.getBoundingClientRect();
@@ -586,6 +598,7 @@ function Timeline({
 			onSelectZoom,
 			onSelectTrim,
 			onSelectAnnotation,
+			onSelectBlur,
 			onSelectSpeed,
 			videoDurationMs,
 			sidebarWidth,
@@ -637,6 +650,7 @@ function Timeline({
 	const zoomItems = items.filter((item) => item.rowId === ZOOM_ROW_ID);
 	const trimItems = items.filter((item) => item.rowId === TRIM_ROW_ID);
 	const annotationItems = items.filter((item) => item.rowId === ANNOTATION_ROW_ID);
+	const blurItems = items.filter((item) => item.rowId === BLUR_ROW_ID);
 	const speedItems = items.filter((item) => item.rowId === SPEED_ROW_ID);
 
 	return (
@@ -711,6 +725,22 @@ function Timeline({
 				))}
 			</Row>
 
+			<Row id={BLUR_ROW_ID} isEmpty={blurItems.length === 0} hint={t("hints.pressBlur")}>
+				{blurItems.map((item) => (
+					<Item
+						id={item.id}
+						key={item.id}
+						rowId={item.rowId}
+						span={item.span}
+						isSelected={item.id === selectedBlurId}
+						onSelect={() => onSelectBlur?.(item.id)}
+						variant={item.variant}
+					>
+						{item.label}
+					</Item>
+				))}
+			</Row>
+
 			<Row id={SPEED_ROW_ID} isEmpty={speedItems.length === 0} hint={t("hints.pressSpeed")}>
 				{speedItems.map((item) => (
 					<Item
@@ -755,6 +785,12 @@ export default function TimelineEditor({
 	onAnnotationDelete,
 	selectedAnnotationId,
 	onSelectAnnotation,
+	blurRegions = [],
+	onBlurAdded,
+	onBlurSpanChange,
+	onBlurDelete,
+	selectedBlurId,
+	onSelectBlur,
 	speedRegions = [],
 	onSpeedAdded,
 	onSpeedSpanChange,
@@ -839,6 +875,12 @@ export default function TimelineEditor({
 		onSelectAnnotation(null);
 	}, [selectedAnnotationId, onAnnotationDelete, onSelectAnnotation]);
 
+	const deleteSelectedBlur = useCallback(() => {
+		if (!selectedBlurId || !onBlurDelete || !onSelectBlur) return;
+		onBlurDelete(selectedBlurId);
+		onSelectBlur(null);
+	}, [selectedBlurId, onBlurDelete, onSelectBlur]);
+
 	const deleteSelectedSpeed = useCallback(() => {
 		if (!selectedSpeedId || !onSpeedDelete || !onSelectSpeed) return;
 		onSpeedDelete(selectedSpeedId);
@@ -908,9 +950,10 @@ export default function TimelineEditor({
 			const isZoomItem = zoomRegions.some((r) => r.id === excludeId);
 			const isTrimItem = trimRegions.some((r) => r.id === excludeId);
 			const isAnnotationItem = annotationRegions.some((r) => r.id === excludeId);
+			const isBlurItem = blurRegions.some((r) => r.id === excludeId);
 			const isSpeedItem = speedRegions.some((r) => r.id === excludeId);
 
-			if (isAnnotationItem) {
+			if (isAnnotationItem || isBlurItem) {
 				return false;
 			}
 
@@ -937,7 +980,7 @@ export default function TimelineEditor({
 
 			return false;
 		},
-		[zoomRegions, trimRegions, annotationRegions, speedRegions],
+		[zoomRegions, trimRegions, annotationRegions, blurRegions, speedRegions],
 	);
 
 	// At least 5% of the timeline or 1000ms, whichever is larger, so the region
@@ -1165,6 +1208,21 @@ export default function TimelineEditor({
 		onAnnotationAdded({ start: startPos, end: endPos });
 	}, [videoDuration, totalMs, currentTimeMs, onAnnotationAdded, defaultRegionDurationMs]);
 
+	const handleAddBlur = useCallback(() => {
+		if (!videoDuration || videoDuration === 0 || totalMs === 0 || !onBlurAdded) {
+			return;
+		}
+
+		const defaultDuration = Math.min(defaultRegionDurationMs, totalMs);
+		if (defaultDuration <= 0) {
+			return;
+		}
+
+		const startPos = Math.max(0, Math.min(currentTimeMs, totalMs));
+		const endPos = Math.min(startPos + defaultDuration, totalMs);
+		onBlurAdded({ start: startPos, end: endPos });
+	}, [videoDuration, totalMs, currentTimeMs, onBlurAdded, defaultRegionDurationMs]);
+
 	useEffect(() => {
 		const handleKeyDown = (e: KeyboardEvent) => {
 			if (e.target instanceof HTMLInputElement || e.target instanceof HTMLTextAreaElement) {
@@ -1183,6 +1241,9 @@ export default function TimelineEditor({
 			if (matchesShortcut(e, keyShortcuts.addAnnotation, isMac)) {
 				handleAddAnnotation();
 			}
+			if (matchesShortcut(e, keyShortcuts.addBlur, isMac)) {
+				handleAddBlur();
+			}
 			if (matchesShortcut(e, keyShortcuts.addSpeed, isMac)) {
 				handleAddSpeed();
 			}
@@ -1223,6 +1284,8 @@ export default function TimelineEditor({
 					deleteSelectedTrim();
 				} else if (selectedAnnotationId) {
 					deleteSelectedAnnotation();
+				} else if (selectedBlurId) {
+					deleteSelectedBlur();
 				} else if (selectedSpeedId) {
 					deleteSelectedSpeed();
 				}
@@ -1235,18 +1298,22 @@ export default function TimelineEditor({
 		handleAddZoom,
 		handleAddTrim,
 		handleAddAnnotation,
+		handleAddBlur,
 		handleAddSpeed,
 		deleteSelectedKeyframe,
 		deleteSelectedZoom,
 		deleteSelectedTrim,
 		deleteSelectedAnnotation,
+		deleteSelectedBlur,
 		deleteSelectedSpeed,
 		selectedKeyframeId,
 		selectedZoomId,
 		selectedTrimId,
 		selectedAnnotationId,
+		selectedBlurId,
 		selectedSpeedId,
 		annotationRegions,
+		blurRegions,
 		currentTime,
 		onSelectAnnotation,
 		keyShortcuts,
@@ -1304,6 +1371,14 @@ export default function TimelineEditor({
 			};
 		});
 
+		const blurs: TimelineRenderItem[] = blurRegions.map((region, index) => ({
+			id: region.id,
+			rowId: BLUR_ROW_ID,
+			span: { start: region.startMs, end: region.endMs },
+			label: t("labels.blurItem", { index: String(index + 1) }),
+			variant: "blur",
+		}));
+
 		const speeds: TimelineRenderItem[] = speedRegions.map((region, index) => ({
 			id: region.id,
 			rowId: SPEED_ROW_ID,
@@ -1313,8 +1388,8 @@ export default function TimelineEditor({
 			variant: "speed",
 		}));
 
-		return [...zooms, ...trims, ...annotations, ...speeds];
-	}, [zoomRegions, trimRegions, annotationRegions, speedRegions, t]);
+		return [...zooms, ...trims, ...annotations, ...blurs, ...speeds];
+	}, [zoomRegions, trimRegions, annotationRegions, blurRegions, speedRegions, t]);
 
 	// Flat list of all non-annotation region spans for neighbour-clamping during drag/resize
 	const allRegionSpans = useMemo(() => {
@@ -1335,6 +1410,8 @@ export default function TimelineEditor({
 				onSpeedSpanChange?.(id, span);
 			} else if (annotationRegions.some((r) => r.id === id)) {
 				onAnnotationSpanChange?.(id, span);
+			} else if (blurRegions.some((r) => r.id === id)) {
+				onBlurSpanChange?.(id, span);
 			}
 		},
 		[
@@ -1342,10 +1419,12 @@ export default function TimelineEditor({
 			trimRegions,
 			speedRegions,
 			annotationRegions,
+			blurRegions,
 			onZoomSpanChange,
 			onTrimSpanChange,
 			onSpeedSpanChange,
 			onAnnotationSpanChange,
+			onBlurSpanChange,
 		],
 	);
 
@@ -1403,6 +1482,25 @@ export default function TimelineEditor({
 					>
 						<MessageSquare className="w-4 h-4" />
 					</Button>
+					<Button
+						onClick={handleAddBlur}
+						variant="ghost"
+						size="icon"
+						className="h-7 w-7 text-slate-400 hover:text-[#7dd3fc] hover:bg-[#7dd3fc]/10 transition-all"
+						title={t("buttons.addBlur")}
+					>
+						<svg
+							className="w-4 h-4"
+							viewBox="0 0 24 24"
+							fill="none"
+							stroke="currentColor"
+							strokeWidth="2"
+						>
+							<circle cx="8" cy="12" r="3" />
+							<circle cx="16" cy="12" r="3" />
+							<path d="M6 6h12M6 18h12" />
+						</svg>
+					</Button>
 					<Button
 						onClick={handleAddSpeed}
 						variant="ghost"
@@ -1489,10 +1587,12 @@ export default function TimelineEditor({
 						onSelectZoom={onSelectZoom}
 						onSelectTrim={onSelectTrim}
 						onSelectAnnotation={onSelectAnnotation}
+						onSelectBlur={onSelectBlur}
 						onSelectSpeed={onSelectSpeed}
 						selectedZoomId={selectedZoomId}
 						selectedTrimId={selectedTrimId}
 						selectedAnnotationId={selectedAnnotationId}
+						selectedBlurId={selectedBlurId}
 						selectedSpeedId={selectedSpeedId}
 						keyframes={keyframes}
 					/>

src/components/video-editor/types.ts

@@ -47,7 +47,7 @@ export interface TrimRegion {
 	endMs: number;
 }
 
-export type AnnotationType = "text" | "image" | "figure";
+export type AnnotationType = "text" | "image" | "figure" | "blur";
 
 export type ArrowDirection =
 	| "up"
@@ -65,6 +65,19 @@ export interface FigureData {
 	strokeWidth: number;
 }
 
+export type BlurShape = "rectangle" | "oval" | "freehand";
+
+export const MIN_BLUR_INTENSITY = 2;
+export const MAX_BLUR_INTENSITY = 40;
+export const DEFAULT_BLUR_INTENSITY = 12;
+
+export interface BlurData {
+	shape: BlurShape;
+	intensity: number;
+	// Points are normalized (0-100) within the annotation bounds.
+	freehandPoints?: Array<{ x: number; y: number }>;
+}
+
 export interface AnnotationPosition {
 	x: number;
 	y: number;
@@ -99,6 +112,7 @@ export interface AnnotationRegion {
 	style: AnnotationTextStyle;
 	zIndex: number;
 	figureData?: FigureData;
+	blurData?: BlurData;
 }
 
 export const DEFAULT_ANNOTATION_POSITION: AnnotationPosition = {
@@ -128,6 +142,24 @@ export const DEFAULT_FIGURE_DATA: FigureData = {
 	strokeWidth: 4,
 };
 
+export const DEFAULT_BLUR_FREEHAND_POINTS: Array<{ x: number; y: number }> = [
+	{ x: 10, y: 30 },
+	{ x: 25, y: 10 },
+	{ x: 55, y: 8 },
+	{ x: 82, y: 20 },
+	{ x: 90, y: 45 },
+	{ x: 78, y: 72 },
+	{ x: 52, y: 90 },
+	{ x: 22, y: 84 },
+	{ x: 8, y: 58 },
+];
+
+export const DEFAULT_BLUR_DATA: BlurData = {
+	shape: "rectangle",
+	intensity: DEFAULT_BLUR_INTENSITY,
+	freehandPoints: DEFAULT_BLUR_FREEHAND_POINTS,
+};
+
 export interface CropRegion {
 	x: number;
 	y: number;

src/i18n/config.ts

@@ -1,5 +1,5 @@
 export const DEFAULT_LOCALE = "en" as const;
-export const SUPPORTED_LOCALES = ["en", "zh-CN", "es", , "fr", "tr"] as const;
+export const SUPPORTED_LOCALES = ["en", "zh-CN", "es", "fr", "tr"] as const;
 export const I18N_NAMESPACES = [
 	"common",
 	"dialogs",

src/i18n/locales/en/settings.json

@@ -101,6 +101,7 @@
 		"typeText": "Text",
 		"typeImage": "Image",
 		"typeArrow": "Arrow",
+		"typeBlur": "Blur",
 		"textContent": "Text Content",
 		"textPlaceholder": "Enter your text...",
 		"fontStyle": "Font Style",
@@ -117,6 +118,11 @@
 		"arrowDirection": "Arrow Direction",
 		"strokeWidth": "Stroke Width: {{width}}px",
 		"arrowColor": "Arrow Color",
+		"blurShape": "Blur Shape",
+		"blurIntensity": "Blur Intensity",
+		"blurShapeRectangle": "Rectangle",
+		"blurShapeOval": "Oval",
+		"blurShapeFreehand": "Freehand",
 		"deleteAnnotation": "Delete Annotation",
 		"shortcutsAndTips": "Shortcuts & Tips",
 		"tipMovePlayhead": "Move playhead to overlapping annotation section and select an item.",

src/i18n/locales/en/shortcuts.json

@@ -18,6 +18,7 @@
 		"addTrim": "Add Trim",
 		"addSpeed": "Add Speed",
 		"addAnnotation": "Add Annotation",
+		"addBlur": "Add Blur",
 		"addKeyframe": "Add Keyframe",
 		"deleteSelected": "Delete Selected",
 		"playPause": "Play / Pause"

src/i18n/locales/en/timeline.json

@@ -4,12 +4,14 @@
 		"suggestZooms": "Suggest Zooms from Cursor",
 		"addTrim": "Add Trim (T)",
 		"addAnnotation": "Add Annotation (A)",
+		"addBlur": "Add Blur (B)",
 		"addSpeed": "Add Speed (S)"
 	},
 	"hints": {
 		"pressZoom": "Press Z to add zoom",
 		"pressTrim": "Press T to add trim",
 		"pressAnnotation": "Press A to add annotation",
+		"pressBlur": "Press B to add blur region",
 		"pressSpeed": "Press S to add speed"
 	},
 	"labels": {
@@ -19,6 +21,7 @@
 		"trimItem": "Trim {{index}}",
 		"speedItem": "Speed {{index}}",
 		"annotationItem": "Annotation",
+		"blurItem": "Blur {{index}}",
 		"imageItem": "Image",
 		"emptyText": "Empty text"
 	},

src/i18n/locales/es/settings.json

@@ -101,6 +101,7 @@
 		"typeText": "Texto",
 		"typeImage": "Imagen",
 		"typeArrow": "Flecha",
+		"typeBlur": "Desenfoque",
 		"textContent": "Contenido de texto",
 		"textPlaceholder": "Escribe tu texto...",
 		"fontStyle": "Estilo de fuente",
@@ -117,6 +118,11 @@
 		"arrowDirection": "Dirección de la flecha",
 		"strokeWidth": "Grosor del trazo: {{width}}px",
 		"arrowColor": "Color de la flecha",
+		"blurShape": "Forma del desenfoque",
+		"blurIntensity": "Intensidad del desenfoque",
+		"blurShapeRectangle": "Rectángulo",
+		"blurShapeOval": "Óvalo",
+		"blurShapeFreehand": "Mano alzada",
 		"deleteAnnotation": "Eliminar anotación",
 		"shortcutsAndTips": "Atajos y consejos",
 		"tipMovePlayhead": "Mueve el cabezal de reproducción a la sección de anotación superpuesta y selecciona un elemento.",

src/i18n/locales/es/shortcuts.json

@@ -18,6 +18,7 @@
 		"addTrim": "Agregar recorte",
 		"addSpeed": "Agregar velocidad",
 		"addAnnotation": "Agregar anotación",
+		"addBlur": "Agregar desenfoque",
 		"addKeyframe": "Agregar fotograma clave",
 		"deleteSelected": "Eliminar seleccionado",
 		"playPause": "Reproducir / Pausar"

src/i18n/locales/es/timeline.json

@@ -4,13 +4,15 @@
 		"suggestZooms": "Sugerir zooms desde el cursor",
 		"addTrim": "Agregar recorte (T)",
 		"addAnnotation": "Agregar anotación (A)",
-		"addSpeed": "Agregar velocidad (S)"
+		"addSpeed": "Agregar velocidad (S)",
+		"addBlur": "Agregar desenfoque (B)"
 	},
 	"hints": {
 		"pressZoom": "Presiona Z para agregar zoom",
 		"pressTrim": "Presiona T para agregar recorte",
 		"pressAnnotation": "Presiona A para agregar anotación",
-		"pressSpeed": "Presiona S para agregar velocidad"
+		"pressSpeed": "Presiona S para agregar velocidad",
+		"pressBlur": "Presiona B para agregar una región de desenfoque"
 	},
 	"labels": {
 		"pan": "Desplazar",
@@ -20,7 +22,8 @@
 		"speedItem": "Velocidad {{index}}",
 		"annotationItem": "Anotación",
 		"imageItem": "Imagen",
-		"emptyText": "Texto vacío"
+		"emptyText": "Texto vacío",
+		"blurItem": "Desenfoque {{index}}"
 	},
 	"emptyState": {
 		"noVideo": "No hay video cargado",

src/i18n/locales/fr/settings.json

@@ -98,6 +98,7 @@
 		"typeText": "Texte",
 		"typeImage": "Image",
 		"typeArrow": "Flèche",
+		"typeBlur": "Flou",
 		"textContent": "Contenu du texte",
 		"textPlaceholder": "Saisissez votre texte...",
 		"fontStyle": "Style de police",
@@ -114,6 +115,11 @@
 		"arrowDirection": "Direction de la flèche",
 		"strokeWidth": "Épaisseur du trait : {{width}}px",
 		"arrowColor": "Couleur de la flèche",
+		"blurShape": "Forme du flou",
+		"blurIntensity": "Intensité du flou",
+		"blurShapeRectangle": "Rectangle",
+		"blurShapeOval": "Ovale",
+		"blurShapeFreehand": "Main levée",
 		"deleteAnnotation": "Supprimer l'annotation",
 		"shortcutsAndTips": "Raccourcis & Astuces",
 		"tipMovePlayhead": "Déplacez la tête de lecture sur la section d'annotation et sélectionnez un élément.",

src/i18n/locales/fr/shortcuts.json

@@ -18,6 +18,7 @@
 		"addTrim": "Ajouter une coupe",
 		"addSpeed": "Ajouter une vitesse",
 		"addAnnotation": "Ajouter une annotation",
+		"addBlur": "Ajouter un flou",
 		"addKeyframe": "Ajouter une image-clé",
 		"deleteSelected": "Supprimer la sélection",
 		"playPause": "Lecture / Pause"

src/i18n/locales/fr/timeline.json

@@ -4,13 +4,15 @@
 		"suggestZooms": "Suggérer des zooms depuis le curseur",
 		"addTrim": "Ajouter une coupe (T)",
 		"addAnnotation": "Ajouter une annotation (A)",
-		"addSpeed": "Ajouter une vitesse (S)"
+		"addSpeed": "Ajouter une vitesse (S)",
+		"addBlur": "Ajouter un flou (B)"
 	},
 	"hints": {
 		"pressZoom": "Appuyez sur Z pour ajouter un zoom",
 		"pressTrim": "Appuyez sur T pour ajouter une coupe",
 		"pressAnnotation": "Appuyez sur A pour ajouter une annotation",
-		"pressSpeed": "Appuyez sur S pour ajouter une vitesse"
+		"pressSpeed": "Appuyez sur S pour ajouter une vitesse",
+		"pressBlur": "Appuyez sur B pour ajouter une zone de flou"
 	},
 	"labels": {
 		"pan": "Panoramique",
@@ -20,7 +22,8 @@
 		"speedItem": "Vitesse {{index}}",
 		"annotationItem": "Annotation",
 		"imageItem": "Image",
-		"emptyText": "Texte vide"
+		"emptyText": "Texte vide",
+		"blurItem": "Flou {{index}}"
 	},
 	"emptyState": {
 		"noVideo": "Aucune vidéo chargée",
@@ -28,20 +31,20 @@
 	},
 	"errors": {
 		"cannotPlaceZoom": "Impossible de placer le zoom ici",
-		"zoomExistsAtLocation": "Un zoom existe déjà à cet emplacement ou l'espace disponible est insuffisant.",
+		"zoomExistsAtLocation": "Un zoom existe déjà à cet emplacement ou l\u0027espace disponible est insuffisant.",
 		"zoomSuggestionUnavailable": "Gestionnaire de suggestions de zoom non disponible",
 		"noCursorTelemetry": "Aucune télémétrie de curseur disponible",
-		"noCursorTelemetryDescription": "Enregistrez d'abord un screencast pour générer des suggestions basées sur le curseur.",
+		"noCursorTelemetryDescription": "Enregistrez d\u0027abord un screencast pour générer des suggestions basées sur le curseur.",
 		"noUsableTelemetry": "Aucune télémétrie de curseur utilisable",
-		"noUsableTelemetryDescription": "L'enregistrement ne contient pas suffisamment de données de mouvement du curseur.",
+		"noUsableTelemetryDescription": "L\u0027enregistrement ne contient pas suffisamment de données de mouvement du curseur.",
 		"noDwellMoments": "Aucun moment de pause du curseur trouvé",
 		"noDwellMomentsDescription": "Essayez un enregistrement avec des pauses plus lentes du curseur sur les actions importantes.",
 		"noAutoZoomSlots": "Aucun emplacement de zoom automatique disponible",
 		"noAutoZoomSlotsDescription": "Les points de pause détectés chevauchent des régions de zoom existantes.",
 		"cannotPlaceTrim": "Impossible de placer la coupe ici",
-		"trimExistsAtLocation": "Une coupe existe déjà à cet emplacement ou l'espace disponible est insuffisant.",
+		"trimExistsAtLocation": "Une coupe existe déjà à cet emplacement ou l\u0027espace disponible est insuffisant.",
 		"cannotPlaceSpeed": "Impossible de placer la vitesse ici",
-		"speedExistsAtLocation": "Une région de vitesse existe déjà à cet emplacement ou l'espace disponible est insuffisant."
+		"speedExistsAtLocation": "Une région de vitesse existe déjà à cet emplacement ou l\u0027espace disponible est insuffisant."
 	},
 	"success": {
 		"addedZoomSuggestions": "{{count}} suggestion de zoom basée sur le curseur ajoutée",

src/i18n/locales/tr/settings.json

@@ -98,6 +98,7 @@
 		"typeText": "Metin",
 		"typeImage": "Görüntü",
 		"typeArrow": "Ok",
+		"typeBlur": "Bulanık",
 		"textContent": "Metin İçeriği",
 		"textPlaceholder": "Metninizi girin...",
 		"fontStyle": "Yazı Tipi Stili",
@@ -114,6 +115,11 @@
 		"arrowDirection": "Ok Yönü",
 		"strokeWidth": "Çizgi Kalınlığı: {{width}}px",
 		"arrowColor": "Ok Rengi",
+		"blurShape": "Bulanık Şekli",
+		"blurIntensity": "Bulanıklık Yoğunluğu",
+		"blurShapeRectangle": "Dikdörtgen",
+		"blurShapeOval": "Oval",
+		"blurShapeFreehand": "Serbest",
 		"deleteAnnotation": "Açıklamayı Sil",
 		"shortcutsAndTips": "Kısayollar ve İpuçları",
 		"tipMovePlayhead": "Oynatma imlecini çakışan açıklama bölümüne taşıyın ve bir öğe seçin.",

src/i18n/locales/tr/shortcuts.json

@@ -18,6 +18,7 @@
 		"addTrim": "Kırpma Ekle",
 		"addSpeed": "Hız Ekle",
 		"addAnnotation": "Açıklama Ekle",
+		"addBlur": "Bulanik Ekle",
 		"addKeyframe": "Anahtar Kare Ekle",
 		"deleteSelected": "Seçileni Sil",
 		"playPause": "Oynat / Duraklat"

src/i18n/locales/tr/timeline.json

@@ -4,13 +4,15 @@
 		"suggestZooms": "İmleçten Yakınlaştırma Öner",
 		"addTrim": "Kırpma Ekle (T)",
 		"addAnnotation": "Açıklama Ekle (A)",
-		"addSpeed": "Hız Ekle (S)"
+		"addSpeed": "Hız Ekle (S)",
+		"addBlur": "Bulanık ekle (B)"
 	},
 	"hints": {
 		"pressZoom": "Yakınlaştırma eklemek için Z tuşuna basın",
 		"pressTrim": "Kırpma eklemek için T tuşuna basın",
 		"pressAnnotation": "Açıklama eklemek için A tuşuna basın",
-		"pressSpeed": "Hız eklemek için S tuşuna basın"
+		"pressSpeed": "Hız eklemek için S tuşuna basın",
+		"pressBlur": "Bulanık bölge eklemek için B tuşuna basın"
 	},
 	"labels": {
 		"pan": "Kaydır",
@@ -20,7 +22,8 @@
 		"speedItem": "Hız {{index}}",
 		"annotationItem": "Açıklama",
 		"imageItem": "Görüntü",
-		"emptyText": "Boş metin"
+		"emptyText": "Boş metin",
+		"blurItem": "Bulanık {{index}}"
 	},
 	"emptyState": {
 		"noVideo": "Video Yüklenmedi",

src/i18n/locales/zh-CN/settings.json

@@ -101,6 +101,7 @@
 		"typeText": "文本",
 		"typeImage": "图片",
 		"typeArrow": "箭头",
+		"typeBlur": "模糊",
 		"textContent": "文本内容",
 		"textPlaceholder": "输入您的文本...",
 		"fontStyle": "字体样式",
@@ -117,6 +118,11 @@
 		"arrowDirection": "箭头方向",
 		"strokeWidth": "描边宽度：{{width}}px",
 		"arrowColor": "箭头颜色",
+		"blurShape": "模糊形状",
+		"blurIntensity": "模糊强度",
+		"blurShapeRectangle": "矩形",
+		"blurShapeOval": "椭圆",
+		"blurShapeFreehand": "自由手绘",
 		"deleteAnnotation": "删除标注",
 		"shortcutsAndTips": "快捷键与提示",
 		"tipMovePlayhead": "将播放头移动到重叠的标注区域并选择一个项目。",

src/i18n/locales/zh-CN/shortcuts.json

@@ -18,6 +18,7 @@
 		"addTrim": "添加剪辑",
 		"addSpeed": "添加速度",
 		"addAnnotation": "添加标注",
+		"addBlur": "添加模糊",
 		"addKeyframe": "添加关键帧",
 		"deleteSelected": "删除所选",
 		"playPause": "播放 / 暂停"

src/i18n/locales/zh-CN/timeline.json

@@ -4,13 +4,15 @@
 		"suggestZooms": "根据光标建议缩放",
 		"addTrim": "添加剪辑 (T)",
 		"addAnnotation": "添加标注 (A)",
-		"addSpeed": "添加速度 (S)"
+		"addSpeed": "添加速度 (S)",
+		"addBlur": "添加模糊 (B)"
 	},
 	"hints": {
 		"pressZoom": "按 Z 添加缩放",
 		"pressTrim": "按 T 添加剪辑",
 		"pressAnnotation": "按 A 添加标注",
-		"pressSpeed": "按 S 添加速度"
+		"pressSpeed": "按 S 添加速度",
+		"pressBlur": "按 B 添加模糊区域"
 	},
 	"labels": {
 		"pan": "平移",
@@ -20,7 +22,8 @@
 		"speedItem": "速度 {{index}}",
 		"annotationItem": "标注",
 		"imageItem": "图片",
-		"emptyText": "空文本"
+		"emptyText": "空文本",
+		"blurItem": "模糊 {{index}}"
 	},
 	"emptyState": {
 		"noVideo": "未加载视频",

src/lib/exporter/annotationRenderer.ts

@@ -1,4 +1,13 @@
-import type { AnnotationRegion, ArrowDirection } from "@/components/video-editor/types";
+import {
+	type AnnotationRegion,
+	type ArrowDirection,
+	DEFAULT_BLUR_INTENSITY,
+	MAX_BLUR_INTENSITY,
+	MIN_BLUR_INTENSITY,
+} from "@/components/video-editor/types";
+
+let blurScratchCanvas: HTMLCanvasElement | null = null;
+let blurScratchCtx: CanvasRenderingContext2D | null = null;
 
 // SVG path data for each arrow direction
 const ARROW_PATHS: Record<ArrowDirection, string[]> = {
@@ -96,6 +105,93 @@ function renderArrow(
 	ctx.restore();
 }
 
+function drawBlurPath(
+	ctx: CanvasRenderingContext2D,
+	annotation: AnnotationRegion,
+	x: number,
+	y: number,
+	width: number,
+	height: number,
+) {
+	const shape = annotation.blurData?.shape || "rectangle";
+	if (shape === "rectangle") {
+		ctx.beginPath();
+		ctx.rect(x, y, width, height);
+		return;
+	}
+
+	if (shape === "oval") {
+		ctx.beginPath();
+		ctx.ellipse(x + width / 2, y + height / 2, width / 2, height / 2, 0, 0, Math.PI * 2);
+		return;
+	}
+
+	const points = annotation.blurData?.freehandPoints;
+	if (shape === "freehand" && points && points.length >= 3) {
+		ctx.beginPath();
+		ctx.moveTo(x + (points[0].x / 100) * width, y + (points[0].y / 100) * height);
+		for (let i = 1; i < points.length; i++) {
+			ctx.lineTo(x + (points[i].x / 100) * width, y + (points[i].y / 100) * height);
+		}
+		ctx.closePath();
+		return;
+	}
+
+	ctx.beginPath();
+	ctx.rect(x, y, width, height);
+}
+
+function renderBlur(
+	ctx: CanvasRenderingContext2D,
+	annotation: AnnotationRegion,
+	x: number,
+	y: number,
+	width: number,
+	height: number,
+	scaleFactor: number,
+) {
+	const canvas = ctx.canvas;
+	const configuredIntensity = annotation.blurData?.intensity ?? DEFAULT_BLUR_INTENSITY;
+	const blurRadius = Math.max(
+		1,
+		Math.round(clamp(configuredIntensity, MIN_BLUR_INTENSITY, MAX_BLUR_INTENSITY) * scaleFactor),
+	);
+
+	// Sample pixels around the target shape too; without this padding, small blur regions
+	// lose intensity because the filter has no neighboring pixels to blend with.
+	const samplePadding = Math.max(2, Math.ceil(blurRadius * 2));
+	const sx = Math.max(0, Math.floor(x) - samplePadding);
+	const sy = Math.max(0, Math.floor(y) - samplePadding);
+	const ex = Math.min(canvas.width, Math.ceil(x + width) + samplePadding);
+	const ey = Math.min(canvas.height, Math.ceil(y + height) + samplePadding);
+	const sw = Math.max(0, ex - sx);
+	const sh = Math.max(0, ey - sy);
+	if (sw <= 0 || sh <= 0) return;
+
+	if (!blurScratchCanvas || !blurScratchCtx) {
+		blurScratchCanvas = document.createElement("canvas");
+		blurScratchCtx = blurScratchCanvas.getContext("2d");
+	}
+	if (!blurScratchCanvas || !blurScratchCtx) return;
+
+	blurScratchCanvas.width = sw;
+	blurScratchCanvas.height = sh;
+	blurScratchCtx.clearRect(0, 0, sw, sh);
+	blurScratchCtx.drawImage(canvas, sx, sy, sw, sh, 0, 0, sw, sh);
+
+	ctx.save();
+	drawBlurPath(ctx, annotation, x, y, width, height);
+	ctx.clip();
+	ctx.filter = `blur(${blurRadius}px)`;
+	ctx.drawImage(blurScratchCanvas, sx, sy);
+	ctx.filter = "none";
+	ctx.restore();
+}
+
+function clamp(value: number, min: number, max: number) {
+	return Math.min(max, Math.max(min, value));
+}
+
 function renderText(
 	ctx: CanvasRenderingContext2D,
 	annotation: AnnotationRegion,
@@ -304,6 +400,10 @@ export async function renderAnnotations(
 					);
 				}
 				break;
+
+			case "blur":
+				renderBlur(ctx, annotation, x, y, width, height, scaleFactor);
+				break;
 		}
 	}
 }

src/lib/shortcuts.ts

@@ -3,6 +3,7 @@ export const SHORTCUT_ACTIONS = [
 	"addTrim",
 	"addSpeed",
 	"addAnnotation",
+	"addBlur",
 	"addKeyframe",
 	"deleteSelected",
 	"playPause",
@@ -108,6 +109,7 @@ export const DEFAULT_SHORTCUTS: ShortcutsConfig = {
 	addTrim: { key: "t" },
 	addSpeed: { key: "s" },
 	addAnnotation: { key: "a" },
+	addBlur: { key: "b" },
 	addKeyframe: { key: "f" },
 	deleteSelected: { key: "d", ctrl: true },
 	playPause: { key: " " },
@@ -118,6 +120,7 @@ export const SHORTCUT_LABELS: Record<ShortcutAction, string> = {
 	addTrim: "Add Trim",
 	addSpeed: "Add Speed",
 	addAnnotation: "Add Annotation",
+	addBlur: "Add Blur",
 	addKeyframe: "Add Keyframe",
 	deleteSelected: "Delete Selected",
 	playPause: "Play / Pause",
@@ -125,9 +128,10 @@ export const SHORTCUT_LABELS: Record<ShortcutAction, string> = {
 
 export function matchesShortcut(
 	e: KeyboardEvent,
-	binding: ShortcutBinding,
+	binding: ShortcutBinding | undefined,
 	isMacPlatform: boolean,
 ): boolean {
+	if (!binding) return false;
 	if (e.key.toLowerCase() !== binding.key.toLowerCase()) return false;
 
 	const primaryMod = isMacPlatform ? e.metaKey : e.ctrlKey;