diff options
Diffstat (limited to 'apps/web/src')
| -rw-r--r-- | apps/web/src/components/editor/preview-panel.tsx | 110 | ||||
| -rw-r--r-- | apps/web/src/components/editor/timeline/index.tsx | 102 | ||||
| -rw-r--r-- | apps/web/src/components/editor/timeline/timeline-cache-indicator.tsx | 116 | ||||
| -rw-r--r-- | apps/web/src/components/editor/timeline/timeline-marker.tsx | 67 | ||||
| -rw-r--r-- | apps/web/src/hooks/use-frame-cache.ts | 320 | ||||
| -rw-r--r-- | apps/web/src/lib/export.ts | 23 |
6 files changed, 672 insertions, 66 deletions
diff --git a/apps/web/src/components/editor/preview-panel.tsx b/apps/web/src/components/editor/preview-panel.tsx index 1654624c..c53cdafb 100644 --- a/apps/web/src/components/editor/preview-panel.tsx +++ b/apps/web/src/components/editor/preview-panel.tsx @@ -13,6 +13,7 @@ import { renderTimelineFrame } from "@/lib/timeline-renderer"; import { cn } from "@/lib/utils"; import { formatTimeCode } from "@/lib/time"; import { EditableTimecode } from "@/components/ui/editable-timecode"; +import { useFrameCache } from "@/hooks/use-frame-cache"; import { DEFAULT_CANVAS_SIZE, DEFAULT_FPS, @@ -44,6 +45,8 @@ export function PreviewPanel() { const { activeProject } = useProjectStore(); const previewRef = useRef<HTMLDivElement>(null); const canvasRef = useRef<HTMLCanvasElement>(null); + const { getCachedFrame, cacheFrame, invalidateCache, preRenderNearbyFrames } = + useFrameCache(); const lastFrameTimeRef = useRef(0); const renderSeqRef = useRef(0); const offscreenCanvasRef = useRef<OffscreenCanvas | HTMLCanvasElement | null>( @@ -216,6 +219,17 @@ export function PreviewPanel() { }; }, [dragState, previewDimensions, canvasSize, updateTextElement]); + // Invalidate cache when timeline changes + useEffect(() => { + invalidateCache(); + }, [ + tracks, + mediaFiles, + activeProject?.backgroundColor, + activeProject?.backgroundType, + invalidateCache, + ]); + const handleTextMouseDown = ( e: React.MouseEvent<HTMLDivElement>, element: any, @@ -449,7 +463,7 @@ export function PreviewPanel() { }; }, [isPlaying, volume, muted, mediaFiles]); - // Canvas: draw current frame for visible elements using offscreen compositing + // Canvas: draw current frame with caching useEffect(() => { const draw = async () => { const canvas = canvasRef.current; @@ -475,10 +489,86 @@ export function PreviewPanel() { lastFrameTimeRef.current = currentTime; } - // Invalidate older async renders when user scrubs rapidly - const mySeq = (renderSeqRef.current += 1); + const cachedFrame = getCachedFrame( + currentTime, + tracks, + mediaFiles, + activeProject + ); + if (cachedFrame) { + mainCtx.putImageData(cachedFrame, 0, 0); + + // Pre-render nearby frames in background + if (!isPlaying) { + // Only during scrubbing to avoid interfering with playback + preRenderNearbyFrames( + currentTime, + tracks, + mediaFiles, + activeProject, + async (time: number) => { + const tempCanvas = document.createElement("canvas"); + tempCanvas.width = displayWidth; + tempCanvas.height = displayHeight; + const tempCtx = tempCanvas.getContext("2d"); + if (!tempCtx) + throw new Error("Failed to create temp canvas context"); - // Offscreen buffer to avoid flicker (reuse canvas) + await renderTimelineFrame({ + ctx: tempCtx, + time, + canvasWidth: displayWidth, + canvasHeight: displayHeight, + tracks, + mediaFiles, + backgroundColor: + activeProject?.backgroundType === "blur" + ? "transparent" + : activeProject?.backgroundColor || "#000000", + projectCanvasSize: canvasSize, + }); + + return tempCtx.getImageData(0, 0, displayWidth, displayHeight); + } + ); + } else { + // Small lookahead while playing + preRenderNearbyFrames( + currentTime, + tracks, + mediaFiles, + activeProject, + async (time: number) => { + const tempCanvas = document.createElement("canvas"); + tempCanvas.width = displayWidth; + tempCanvas.height = displayHeight; + const tempCtx = tempCanvas.getContext("2d"); + if (!tempCtx) + throw new Error("Failed to create temp canvas context"); + + await renderTimelineFrame({ + ctx: tempCtx, + time, + canvasWidth: displayWidth, + canvasHeight: displayHeight, + tracks, + mediaFiles, + backgroundColor: + activeProject?.backgroundType === "blur" + ? "transparent" + : activeProject?.backgroundColor || "#000000", + projectCanvasSize: canvasSize, + }); + + return tempCtx.getImageData(0, 0, displayWidth, displayHeight); + }, + 1 + ); + } + return; + } + + // Cache miss - render from scratch if (!offscreenCanvasRef.current) { const hasOffscreen = typeof (globalThis as unknown as { OffscreenCanvas?: unknown }) @@ -541,6 +631,14 @@ export function PreviewPanel() { projectCanvasSize: canvasSize, }); + const imageData = (offCtx as CanvasRenderingContext2D).getImageData( + 0, + 0, + displayWidth, + displayHeight + ); + cacheFrame(currentTime, imageData, tracks, mediaFiles, activeProject); + // Blit offscreen to visible canvas mainCtx.clearRect(0, 0, displayWidth, displayHeight); if ((offscreenCanvas as HTMLCanvasElement).getContext) { @@ -564,6 +662,10 @@ export function PreviewPanel() { canvasSize.height, activeProject?.backgroundType, activeProject?.backgroundColor, + getCachedFrame, + cacheFrame, + preRenderNearbyFrames, + isPlaying, ]); // Get media elements for blur background (video/image only) diff --git a/apps/web/src/components/editor/timeline/index.tsx b/apps/web/src/components/editor/timeline/index.tsx index c994d707..90a19d61 100644 --- a/apps/web/src/components/editor/timeline/index.tsx +++ b/apps/web/src/components/editor/timeline/index.tsx @@ -57,6 +57,9 @@ import { useSelectionBox } from "@/hooks/use-selection-box"; import { SnapIndicator } from "../snap-indicator"; import { SnapPoint } from "@/hooks/use-timeline-snapping"; import type { DragData, TimelineTrack, TrackType } from "@/types/timeline"; +import { TimelineCacheIndicator } from "./timeline-cache-indicator"; +import { TimelineMarker } from "./timeline-marker"; +import { useFrameCache } from "@/hooks/use-frame-cache"; import { getTrackHeight, getCumulativeHeightBefore, @@ -85,6 +88,7 @@ export function Timeline() { const { mediaFiles, addMediaFile } = useMediaStore(); const { activeProject } = useProjectStore(); const { currentTime, duration, seek, setDuration } = usePlaybackStore(); + const { getRenderStatus } = useFrameCache(); const [isDragOver, setIsDragOver] = useState(false); const { addElementToNewTrack } = useTimelineStore(); const dragCounterRef = useRef(0); @@ -637,7 +641,7 @@ export function Timeline() { {/* Timeline Header with Ruler */} <div className="flex bg-panel sticky top-0 z-10"> {/* Track Labels Header */} - <div className="w-28 shrink-0 bg-panel border-r flex items-center justify-between px-3 py-2"> + <div className="w-28 shrink-0 bg-panel border-r border-t flex items-center justify-between px-3 py-2"> {/* Empty space */} <span className="text-sm font-medium text-muted-foreground opacity-0"> . @@ -658,7 +662,21 @@ export function Timeline() { onClick={handleTimelineContentClick} data-ruler-area > - <ScrollArea className="w-full" ref={rulerScrollRef}> + <ScrollArea + className="w-full" + ref={rulerScrollRef} + onScroll={(e) => { + if (isUpdatingRef.current) return; + isUpdatingRef.current = true; + const tracksViewport = tracksScrollRef.current; + if (tracksViewport) { + tracksViewport.scrollLeft = ( + e.currentTarget as HTMLDivElement + ).scrollLeft; + } + isUpdatingRef.current = false; + }} + > <div ref={rulerRef} className="relative h-10 select-none cursor-default" @@ -667,6 +685,14 @@ export function Timeline() { }} onMouseDown={handleRulerMouseDown} > + <TimelineCacheIndicator + duration={duration} + zoomLevel={zoomLevel} + tracks={tracks} + mediaFiles={mediaFiles} + activeProject={activeProject} + getRenderStatus={getRenderStatus} + /> {/* Time markers */} {(() => { // Calculate appropriate time interval based on zoom level @@ -693,55 +719,13 @@ export function Timeline() { time % (interval >= 1 ? Math.max(1, interval) : 1) === 0; return ( - <div + <TimelineMarker key={i} - className={`absolute top-0 h-4 ${ - isMainMarker - ? "border-l border-muted-foreground/40" - : "border-l border-muted-foreground/20" - }`} - style={{ - left: `${ - time * - TIMELINE_CONSTANTS.PIXELS_PER_SECOND * - zoomLevel - }px`, - }} - > - <span - className={`absolute top-1 left-1 text-[0.6rem] ${ - isMainMarker - ? "text-muted-foreground font-medium" - : "text-muted-foreground/70" - }`} - > - {(() => { - const formatTime = (seconds: number) => { - const hours = Math.floor(seconds / 3600); - const minutes = Math.floor((seconds % 3600) / 60); - const secs = seconds % 60; - - if (hours > 0) { - return `${hours}:${minutes - .toString() - .padStart(2, "0")}:${Math.floor(secs) - .toString() - .padStart(2, "0")}`; - } - if (minutes > 0) { - return `${minutes}:${Math.floor(secs) - .toString() - .padStart(2, "0")}`; - } - if (interval >= 1) { - return `${Math.floor(secs)}s`; - } - return `${secs.toFixed(1)}s`; - }; - return formatTime(time); - })()} - </span> - </div> + time={time} + zoomLevel={zoomLevel} + interval={interval} + isMainMarker={isMainMarker} + /> ); }).filter(Boolean); })()} @@ -836,7 +820,21 @@ export function Timeline() { containerRef={tracksContainerRef} isActive={selectionBox?.isActive || false} /> - <ScrollArea className="w-full h-full" ref={tracksScrollRef}> + <ScrollArea + className="w-full h-full" + ref={tracksScrollRef} + onScroll={(e) => { + if (isUpdatingRef.current) return; + isUpdatingRef.current = true; + const rulerViewport = rulerScrollRef.current; + if (rulerViewport) { + rulerViewport.scrollLeft = ( + e.currentTarget as HTMLDivElement + ).scrollLeft; + } + isUpdatingRef.current = false; + }} + > <div className="relative flex-1" style={{ @@ -1085,7 +1083,7 @@ function TimelineToolbar({ const currentBookmarked = isBookmarked(currentTime); return ( - <div className="border-b flex items-center justify-between px-2 py-1"> + <div className=" flex items-center justify-between px-2 py-1"> <div className="flex items-center gap-1 w-full"> <TooltipProvider delayDuration={500}> <Tooltip> diff --git a/apps/web/src/components/editor/timeline/timeline-cache-indicator.tsx b/apps/web/src/components/editor/timeline/timeline-cache-indicator.tsx new file mode 100644 index 00000000..f6494738 --- /dev/null +++ b/apps/web/src/components/editor/timeline/timeline-cache-indicator.tsx @@ -0,0 +1,116 @@ +"use client"; + +import { cn } from "@/lib/utils"; +import { TIMELINE_CONSTANTS } from "@/constants/timeline-constants"; +import { TimelineTrack } from "@/types/timeline"; +import { MediaFile } from "@/types/media"; +import { TProject } from "@/types/project"; + +interface CacheSegment { + startTime: number; + endTime: number; + cached: boolean; +} + +interface TimelineCacheIndicatorProps { + duration: number; + zoomLevel: number; + tracks: TimelineTrack[]; + mediaFiles: MediaFile[]; + activeProject: TProject | null; + getRenderStatus: ( + time: number, + tracks: TimelineTrack[], + mediaFiles: MediaFile[], + activeProject: TProject | null + ) => "cached" | "not-cached"; +} + +export function TimelineCacheIndicator({ + duration, + zoomLevel, + tracks, + mediaFiles, + activeProject, + getRenderStatus, +}: TimelineCacheIndicatorProps) { + // Calculate cache segments by sampling the timeline + const calculateCacheSegments = (): CacheSegment[] => { + const segments: CacheSegment[] = []; + const sampleRate = 10; // Sample every 0.1 seconds + const totalSamples = Math.ceil(duration * sampleRate); + + if (totalSamples === 0) { + return [{ startTime: 0, endTime: duration, cached: false }]; + } + + let currentSegment: CacheSegment | null = null; + + for (let i = 0; i <= totalSamples; i++) { + const time = i / sampleRate; + const cached = + getRenderStatus(time, tracks, mediaFiles, activeProject) === "cached"; + + if (!currentSegment) { + // Start first segment + currentSegment = { + startTime: time, + endTime: time, + cached, + }; + } else if (currentSegment.cached === cached) { + // Extend current segment + currentSegment.endTime = time; + } else { + // Finish current segment and start new one + segments.push(currentSegment); + currentSegment = { + startTime: time, + endTime: time, + cached, + }; + } + } + + // Add the last segment + if (currentSegment) { + currentSegment.endTime = duration; + segments.push(currentSegment); + } + + return segments; + }; + + const cacheSegments = calculateCacheSegments(); + + return ( + <div className="absolute top-0 left-0 right-0 h-px z-10 pointer-events-none"> + {cacheSegments.map((segment, index) => { + const startX = + segment.startTime * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel; + const endX = + segment.endTime * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel; + const width = endX - startX; + + return ( + <div + key={index} + className={cn( + "absolute top-0 h-px", + segment.cached ? "bg-primary" : "bg-border" + )} + style={{ + left: `${startX}px`, + width: `${width}px`, + }} + title={ + segment.cached + ? "Cached (fast playback)" + : "Not cached (will render)" + } + /> + ); + })} + </div> + ); +} diff --git a/apps/web/src/components/editor/timeline/timeline-marker.tsx b/apps/web/src/components/editor/timeline/timeline-marker.tsx new file mode 100644 index 00000000..1351a457 --- /dev/null +++ b/apps/web/src/components/editor/timeline/timeline-marker.tsx @@ -0,0 +1,67 @@ +"use client";
+
+import { cn } from "@/lib/utils";
+import { TIMELINE_CONSTANTS } from "@/constants/timeline-constants";
+
+interface TimelineMarkerProps {
+ time: number;
+ zoomLevel: number;
+ interval: number;
+ isMainMarker: boolean;
+}
+
+export function TimelineMarker({
+ time,
+ zoomLevel,
+ interval,
+ isMainMarker,
+}: TimelineMarkerProps) {
+ return (
+ <div
+ className={cn(
+ "absolute top-0 h-4",
+ isMainMarker
+ ? "border-l border-muted-foreground/40"
+ : "border-l border-muted-foreground/20"
+ )}
+ style={{
+ left: `${time * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel}px`,
+ }}
+ >
+ <span
+ className={cn(
+ "absolute top-1 left-1 text-[0.6rem]",
+ isMainMarker
+ ? "text-muted-foreground font-medium"
+ : "text-muted-foreground/70"
+ )}
+ >
+ {(() => {
+ const formatTime = (seconds: number) => {
+ const hours = Math.floor(seconds / 3600);
+ const minutes = Math.floor((seconds % 3600) / 60);
+ const secs = seconds % 60;
+
+ if (hours > 0) {
+ return `${hours}:${minutes
+ .toString()
+ .padStart(2, "0")}:${Math.floor(secs)
+ .toString()
+ .padStart(2, "0")}`;
+ }
+ if (minutes > 0) {
+ return `${minutes}:${Math.floor(secs)
+ .toString()
+ .padStart(2, "0")}`;
+ }
+ if (interval >= 1) {
+ return `${Math.floor(secs)}s`;
+ }
+ return `${secs.toFixed(1)}s`;
+ };
+ return formatTime(time);
+ })()}
+ </span>
+ </div>
+ );
+}
diff --git a/apps/web/src/hooks/use-frame-cache.ts b/apps/web/src/hooks/use-frame-cache.ts new file mode 100644 index 00000000..8dc99966 --- /dev/null +++ b/apps/web/src/hooks/use-frame-cache.ts @@ -0,0 +1,320 @@ +import { useRef, useCallback } from "react";
+import {
+ TimelineTrack,
+ TimelineElement,
+ MediaElement,
+ TextElement,
+} from "@/types/timeline";
+import { MediaFile } from "@/types/media";
+import { TProject } from "@/types/project";
+
+interface CachedFrame {
+ imageData: ImageData;
+ timelineHash: string;
+ timestamp: number;
+}
+
+interface FrameCacheOptions {
+ maxCacheSize?: number; // Maximum number of cached frames
+ cacheResolution?: number; // Frames per second to cache at
+}
+
+// Shared singleton cache across hook instances (HMR-safe)
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+const __frameCacheGlobal: any = globalThis as any;
+const __sharedFrameCache: Map<number, CachedFrame> =
+ __frameCacheGlobal.__sharedFrameCache ?? new Map<number, CachedFrame>();
+__frameCacheGlobal.__sharedFrameCache = __sharedFrameCache;
+
+export function useFrameCache(options: FrameCacheOptions = {}) {
+ const { maxCacheSize = 300, cacheResolution = 30 } = options; // 10 seconds at 30fps
+
+ const frameCacheRef = useRef(__sharedFrameCache);
+
+ // Generate a hash of the timeline state that affects rendering
+ const getTimelineHash = useCallback(
+ (
+ time: number,
+ tracks: TimelineTrack[],
+ mediaFiles: MediaFile[],
+ activeProject: TProject | null
+ ): string => {
+ // Get elements that are active at this time
+ const activeElements: Array<{
+ id: string;
+ type: string;
+ startTime: number;
+ duration: number;
+ trimStart: number;
+ trimEnd: number;
+ mediaId?: string;
+ // Text-specific properties
+ content?: string;
+ fontSize?: number;
+ fontFamily?: string;
+ color?: string;
+ backgroundColor?: string;
+ x?: number;
+ y?: number;
+ rotation?: number;
+ opacity?: number;
+ }> = [];
+
+ for (const track of tracks) {
+ if (track.muted) continue;
+
+ for (const element of track.elements) {
+ // Check if element has hidden property (some elements might not have it)
+ const isHidden = "hidden" in element ? element.hidden : false;
+ if (isHidden) continue;
+
+ const elementStart = element.startTime;
+ const elementEnd =
+ element.startTime +
+ (element.duration - element.trimStart - element.trimEnd);
+
+ if (time >= elementStart && time < elementEnd) {
+ if (element.type === "media") {
+ const mediaElement = element as MediaElement;
+ activeElements.push({
+ id: element.id,
+ type: element.type,
+ startTime: element.startTime,
+ duration: element.duration,
+ trimStart: element.trimStart,
+ trimEnd: element.trimEnd,
+ mediaId: mediaElement.mediaId,
+ });
+ } else if (element.type === "text") {
+ const textElement = element as TextElement;
+ activeElements.push({
+ id: element.id,
+ type: element.type,
+ startTime: element.startTime,
+ duration: element.duration,
+ trimStart: element.trimStart,
+ trimEnd: element.trimEnd,
+ content: textElement.content,
+ fontSize: textElement.fontSize,
+ fontFamily: textElement.fontFamily,
+ color: textElement.color,
+ backgroundColor: textElement.backgroundColor,
+ x: textElement.x,
+ y: textElement.y,
+ rotation: textElement.rotation,
+ opacity: textElement.opacity,
+ });
+ }
+ }
+ }
+ }
+
+ // Include project settings that affect rendering
+ const projectState = {
+ backgroundColor: activeProject?.backgroundColor,
+ backgroundType: activeProject?.backgroundType,
+ blurIntensity: activeProject?.blurIntensity,
+ canvasSize: activeProject?.canvasSize,
+ };
+
+ return JSON.stringify({
+ activeElements,
+ projectState,
+ time: Math.floor(time * cacheResolution) / cacheResolution, // Quantize time
+ });
+ },
+ [cacheResolution]
+ );
+
+ // Check if a frame is cached and valid
+ const isFrameCached = useCallback(
+ (
+ time: number,
+ tracks: TimelineTrack[],
+ mediaFiles: MediaFile[],
+ activeProject: TProject | null
+ ): boolean => {
+ const frameKey = Math.floor(time * cacheResolution);
+ const cached = frameCacheRef.current.get(frameKey);
+
+ if (!cached) return false;
+
+ const currentHash = getTimelineHash(
+ time,
+ tracks,
+ mediaFiles,
+ activeProject
+ );
+ return cached.timelineHash === currentHash;
+ },
+ [getTimelineHash, cacheResolution]
+ );
+
+ // Get cached frame if available and valid
+ const getCachedFrame = useCallback(
+ (
+ time: number,
+ tracks: TimelineTrack[],
+ mediaFiles: MediaFile[],
+ activeProject: TProject | null
+ ): ImageData | null => {
+ const frameKey = Math.floor(time * cacheResolution);
+ const cached = frameCacheRef.current.get(frameKey);
+
+ if (!cached) return null;
+
+ const currentHash = getTimelineHash(
+ time,
+ tracks,
+ mediaFiles,
+ activeProject
+ );
+ if (cached.timelineHash !== currentHash) {
+ // Cache is stale, remove it
+ frameCacheRef.current.delete(frameKey);
+ return null;
+ }
+
+ return cached.imageData;
+ },
+ [getTimelineHash, cacheResolution]
+ );
+
+ // Cache a rendered frame
+ const cacheFrame = useCallback(
+ (
+ time: number,
+ imageData: ImageData,
+ tracks: TimelineTrack[],
+ mediaFiles: MediaFile[],
+ activeProject: TProject | null
+ ): void => {
+ const frameKey = Math.floor(time * cacheResolution);
+ const timelineHash = getTimelineHash(
+ time,
+ tracks,
+ mediaFiles,
+ activeProject
+ );
+
+ // Enforce cache size limit (LRU eviction)
+ if (frameCacheRef.current.size >= maxCacheSize) {
+ // Remove oldest entries
+ const entries = Array.from(frameCacheRef.current.entries());
+ entries.sort((a, b) => a[1].timestamp - b[1].timestamp);
+
+ // Remove oldest 20% of entries
+ const toRemove = Math.floor(entries.length * 0.2);
+ for (let i = 0; i < toRemove; i++) {
+ frameCacheRef.current.delete(entries[i][0]);
+ }
+ }
+
+ frameCacheRef.current.set(frameKey, {
+ imageData,
+ timelineHash,
+ timestamp: Date.now(),
+ });
+ },
+ [getTimelineHash, cacheResolution, maxCacheSize]
+ );
+
+ // Clear cache when timeline changes significantly
+ const invalidateCache = useCallback(() => {
+ frameCacheRef.current.clear();
+ }, []);
+
+ // Get render status for timeline indicator
+ const getRenderStatus = useCallback(
+ (
+ time: number,
+ tracks: TimelineTrack[],
+ mediaFiles: MediaFile[],
+ activeProject: TProject | null
+ ): "cached" | "not-cached" => {
+ return isFrameCached(time, tracks, mediaFiles, activeProject)
+ ? "cached"
+ : "not-cached";
+ },
+ [isFrameCached]
+ );
+
+ // Pre-render frames around current time
+ const preRenderNearbyFrames = useCallback(
+ async (
+ currentTime: number,
+ tracks: TimelineTrack[],
+ mediaFiles: MediaFile[],
+ activeProject: TProject | null,
+ renderFunction: (time: number) => Promise<ImageData>,
+ range: number = 3 // seconds
+ ) => {
+ const framesToPreRender: number[] = [];
+
+ // Calculate frames to pre-render (around current time)
+ for (
+ let offset = -range;
+ offset <= range;
+ offset += 1 / cacheResolution
+ ) {
+ const time = currentTime + offset;
+ if (time < 0) continue;
+
+ if (!isFrameCached(time, tracks, mediaFiles, activeProject)) {
+ framesToPreRender.push(time);
+ }
+ }
+
+ // Expand to full 1-second buckets to avoid fragmented tiny cache regions
+ const secondsToPreRender = new Set<number>();
+ for (const t of framesToPreRender) {
+ secondsToPreRender.add(Math.floor(t));
+ }
+
+ const expandedTimes: number[] = [];
+ for (const s of secondsToPreRender) {
+ for (let k = 0; k < cacheResolution; k++) {
+ const t = s + k / cacheResolution;
+ if (t < 0) continue;
+ if (!isFrameCached(t, tracks, mediaFiles, activeProject)) {
+ expandedTimes.push(t);
+ }
+ }
+ }
+
+ // Sort forward-first near currentTime to improve perceived responsiveness
+ expandedTimes.sort((a, b) => {
+ const da = a >= currentTime ? a - currentTime : currentTime - a + 1e6;
+ const db = b >= currentTime ? b - currentTime : currentTime - b + 1e6;
+ return da - db;
+ });
+
+ // Cap total scheduled renders to avoid jank (e.g., up to 90 frames)
+ const CAP = Math.max(30, Math.min(90, cacheResolution * 3));
+ const toSchedule = expandedTimes.slice(0, CAP);
+
+ // Pre-render during idle time
+ for (const time of toSchedule) {
+ requestIdleCallback(async () => {
+ try {
+ const imageData = await renderFunction(time);
+ cacheFrame(time, imageData, tracks, mediaFiles, activeProject);
+ } catch (error) {
+ console.warn(`Pre-render failed for time ${time}:`, error);
+ }
+ });
+ }
+ },
+ [isFrameCached, cacheFrame, cacheResolution]
+ );
+
+ return {
+ isFrameCached,
+ getCachedFrame,
+ cacheFrame,
+ invalidateCache,
+ getRenderStatus,
+ preRenderNearbyFrames,
+ cacheSize: frameCacheRef.current.size,
+ };
+}
diff --git a/apps/web/src/lib/export.ts b/apps/web/src/lib/export.ts index f25f5f6b..2dd41855 100644 --- a/apps/web/src/lib/export.ts +++ b/apps/web/src/lib/export.ts @@ -16,6 +16,8 @@ import { useMediaStore } from "@/stores/media-store"; import { useProjectStore } from "@/stores/project-store"; import { DEFAULT_FPS } from "@/stores/project-store"; import { ExportOptions, ExportResult } from "@/types/export"; +import { TimelineTrack } from "@/types/timeline"; +import { MediaFile } from "@/types/media"; export const DEFAULT_EXPORT_OPTIONS: ExportOptions = { format: "mp4", @@ -40,8 +42,8 @@ interface AudioElement { } async function createTimelineAudioBuffer( - tracks: any[], - mediaFiles: any[], + tracks: TimelineTrack[], + mediaFiles: MediaFile[], duration: number, sampleRate: number = 44100 ): Promise<AudioBuffer | null> { @@ -51,7 +53,7 @@ async function createTimelineAudioBuffer( // Collect all audio elements from timeline const audioElements: AudioElement[] = []; - const mediaMap = new Map(mediaFiles.map((m) => [m.id, m])); + const mediaMap = new Map<string, MediaFile>(mediaFiles.map((m) => [m.id, m])); for (const track of tracks) { if (track.muted) continue; @@ -59,11 +61,12 @@ async function createTimelineAudioBuffer( for (const element of track.elements) { if (element.type !== "media") continue; - const mediaItem = mediaMap.get(element.mediaId); + const mediaElement = element; + const mediaItem = mediaMap.get(mediaElement.mediaId); if (!mediaItem || mediaItem.type !== "audio") continue; const visibleDuration = - element.duration - element.trimStart - element.trimEnd; + mediaElement.duration - mediaElement.trimStart - mediaElement.trimEnd; if (visibleDuration <= 0) continue; try { @@ -75,11 +78,11 @@ async function createTimelineAudioBuffer( audioElements.push({ buffer: audioBuffer, - startTime: element.startTime, - duration: element.duration, - trimStart: element.trimStart, - trimEnd: element.trimEnd, - muted: element.muted || track.muted || false, + startTime: mediaElement.startTime, + duration: mediaElement.duration, + trimStart: mediaElement.trimStart, + trimEnd: mediaElement.trimEnd, + muted: mediaElement.muted || track.muted || false, }); } catch (error) { console.warn(`Failed to decode audio file ${mediaItem.name}:`, error); |