文件
tennis-training-hub/client/src/pages/LiveCamera.tsx
2026-03-15 02:11:34 +08:00

1314 行
53 KiB
TypeScript

import { useAuth } from "@/_core/hooks/useAuth";
import { trpc } from "@/lib/trpc";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
import { Dialog, DialogContent, DialogDescription, DialogFooter, DialogHeader, DialogTitle } from "@/components/ui/dialog";
import { Progress } from "@/components/ui/progress";
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
import { toast } from "sonner";
import {
Activity,
Camera,
CameraOff,
CheckCircle2,
FlipHorizontal,
Maximize2,
Minimize2,
Monitor,
PlayCircle,
RotateCcw,
Smartphone,
Sparkles,
Target,
Video,
Zap,
} from "lucide-react";
import { useCallback, useEffect, useMemo, useRef, useState } from "react";
type CameraFacing = "user" | "environment";
type SessionMode = "practice" | "pk";
type ActionType = "forehand" | "backhand" | "serve" | "volley" | "overhead" | "slice" | "lob" | "unknown";
type PoseScore = {
overall: number;
posture: number;
balance: number;
technique: number;
footwork: number;
consistency: number;
confidence: number;
};
type ActionSegment = {
actionType: ActionType;
isUnknown: boolean;
startMs: number;
endMs: number;
durationMs: number;
confidenceAvg: number;
score: number;
peakScore: number;
frameCount: number;
issueSummary: string[];
keyFrames: number[];
clipLabel: string;
};
type Point = {
x: number;
y: number;
visibility?: number;
};
type TrackingState = {
prevTimestamp?: number;
prevRightWrist?: Point;
prevLeftWrist?: Point;
prevHipCenter?: Point;
lastAction?: ActionType;
};
type AnalyzedFrame = {
action: ActionType;
confidence: number;
score: PoseScore;
feedback: string[];
};
type ActionObservation = {
action: ActionType;
confidence: number;
};
const ACTION_META: Record<ActionType, { label: string; tone: string; accent: string }> = {
forehand: { label: "正手挥拍", tone: "bg-emerald-500/10 text-emerald-700", accent: "bg-emerald-500" },
backhand: { label: "反手挥拍", tone: "bg-sky-500/10 text-sky-700", accent: "bg-sky-500" },
serve: { label: "发球", tone: "bg-amber-500/10 text-amber-700", accent: "bg-amber-500" },
volley: { label: "截击", tone: "bg-indigo-500/10 text-indigo-700", accent: "bg-indigo-500" },
overhead: { label: "高压", tone: "bg-rose-500/10 text-rose-700", accent: "bg-rose-500" },
slice: { label: "切削", tone: "bg-orange-500/10 text-orange-700", accent: "bg-orange-500" },
lob: { label: "挑高球", tone: "bg-fuchsia-500/10 text-fuchsia-700", accent: "bg-fuchsia-500" },
unknown: { label: "未知动作", tone: "bg-slate-500/10 text-slate-700", accent: "bg-slate-500" },
};
const POSE_CONNECTIONS: Array<[number, number]> = [
[11, 12], [11, 13], [13, 15], [12, 14], [14, 16],
[11, 23], [12, 24], [23, 24], [23, 25], [24, 26],
[25, 27], [26, 28], [15, 17], [16, 18], [15, 19],
[16, 20], [17, 19], [18, 20],
];
const SETUP_STEPS = [
{ title: "固定设备", desc: "手机或平板保持稳定,避免分析阶段发生晃动", icon: <Smartphone className="h-5 w-5" /> },
{ title: "保留全身", desc: "画面尽量覆盖从头到脚,便于识别重心和脚步", icon: <Monitor className="h-5 w-5" /> },
{ title: "确认视角", desc: "后置摄像头优先,横屏更适合完整挥拍追踪", icon: <Camera className="h-5 w-5" /> },
{ title: "开始分析", desc: "动作会按连续区间自动聚合,最长单段不超过 10 秒", icon: <Target className="h-5 w-5" /> },
];
const SEGMENT_MAX_MS = 10_000;
const MERGE_GAP_MS = 500;
const MIN_SEGMENT_MS = 250;
function clamp(value: number, min: number, max: number) {
return Math.max(min, Math.min(max, value));
}
function distance(a?: Point, b?: Point) {
if (!a || !b) return 0;
const dx = a.x - b.x;
const dy = a.y - b.y;
return Math.sqrt(dx * dx + dy * dy);
}
function getAngle(a?: Point, b?: Point, c?: Point) {
if (!a || !b || !c) return 0;
const radians = Math.atan2(c.y - b.y, c.x - b.x) - Math.atan2(a.y - b.y, a.x - b.x);
let angle = Math.abs((radians * 180) / Math.PI);
if (angle > 180) angle = 360 - angle;
return angle;
}
function formatDuration(ms: number) {
const totalSeconds = Math.max(0, Math.round(ms / 1000));
const minutes = Math.floor(totalSeconds / 60);
const seconds = totalSeconds % 60;
return `${minutes.toString().padStart(2, "0")}:${seconds.toString().padStart(2, "0")}`;
}
function isMobileDevice() {
if (typeof window === "undefined") return false;
return /Android|iPhone|iPad|iPod/i.test(navigator.userAgent) || window.matchMedia("(max-width: 768px)").matches;
}
function pickRecorderMimeType() {
const supported = typeof MediaRecorder !== "undefined" && typeof MediaRecorder.isTypeSupported === "function";
if (supported && MediaRecorder.isTypeSupported("video/mp4;codecs=avc1.42E01E,mp4a.40.2")) {
return "video/mp4";
}
if (supported && MediaRecorder.isTypeSupported("video/webm;codecs=vp9,opus")) {
return "video/webm;codecs=vp9,opus";
}
if (supported && MediaRecorder.isTypeSupported("video/webm;codecs=vp8,opus")) {
return "video/webm;codecs=vp8,opus";
}
return "video/webm";
}
function blobToBase64(blob: Blob) {
return new Promise<string>((resolve, reject) => {
const reader = new FileReader();
reader.onloadend = () => {
const result = reader.result;
if (typeof result !== "string") {
reject(new Error("无法读取录制文件"));
return;
}
const [, base64 = ""] = result.split(",");
resolve(base64);
};
reader.onerror = () => reject(reader.error || new Error("文件读取失败"));
reader.readAsDataURL(blob);
});
}
function createSegment(action: ActionType, elapsedMs: number, frame: AnalyzedFrame): ActionSegment {
return {
actionType: action,
isUnknown: action === "unknown",
startMs: elapsedMs,
endMs: elapsedMs,
durationMs: 0,
confidenceAvg: frame.confidence,
score: frame.score.overall,
peakScore: frame.score.overall,
frameCount: 1,
issueSummary: frame.feedback.slice(0, 3),
keyFrames: [elapsedMs],
clipLabel: `${ACTION_META[action].label} ${formatDuration(elapsedMs)}`,
};
}
function stabilizeAnalyzedFrame(frame: AnalyzedFrame, history: ActionObservation[]): AnalyzedFrame {
const nextHistory = [...history, { action: frame.action, confidence: frame.confidence }].slice(-6);
history.splice(0, history.length, ...nextHistory);
const weights = nextHistory.map((_, index) => index + 1);
const actionScores = nextHistory.reduce<Record<ActionType, number>>((acc, sample, index) => {
const weighted = sample.confidence * weights[index];
acc[sample.action] = (acc[sample.action] || 0) + weighted;
return acc;
}, {
forehand: 0,
backhand: 0,
serve: 0,
volley: 0,
overhead: 0,
slice: 0,
lob: 0,
unknown: 0,
});
const ranked = Object.entries(actionScores).sort((a, b) => b[1] - a[1]) as Array<[ActionType, number]>;
const [winner = "unknown", winnerScore = 0] = ranked[0] || [];
const [, runnerScore = 0] = ranked[1] || [];
const winnerSamples = nextHistory.filter((sample) => sample.action === winner);
const averageConfidence = winnerSamples.length > 0
? winnerSamples.reduce((sum, sample) => sum + sample.confidence, 0) / winnerSamples.length
: frame.confidence;
const stableAction =
winner === "unknown" && frame.action !== "unknown" && frame.confidence >= 0.52
? frame.action
: winnerScore - runnerScore < 0.2 && frame.confidence >= 0.65
? frame.action
: winner;
const stableConfidence = stableAction === frame.action
? Math.max(frame.confidence, averageConfidence)
: averageConfidence;
return {
...frame,
action: stableAction,
confidence: clamp(stableConfidence, 0, 1),
feedback: stableAction === "unknown"
? ["系统正在继续观察,当前窗口内未形成稳定动作特征。", ...frame.feedback].slice(0, 3)
: frame.feedback,
};
}
function analyzePoseFrame(landmarks: Point[], tracking: TrackingState, timestamp: number): AnalyzedFrame {
const nose = landmarks[0];
const leftShoulder = landmarks[11];
const rightShoulder = landmarks[12];
const leftElbow = landmarks[13];
const rightElbow = landmarks[14];
const leftWrist = landmarks[15];
const rightWrist = landmarks[16];
const leftHip = landmarks[23];
const rightHip = landmarks[24];
const leftKnee = landmarks[25];
const rightKnee = landmarks[26];
const leftAnkle = landmarks[27];
const rightAnkle = landmarks[28];
const hipCenter = {
x: ((leftHip?.x ?? 0.5) + (rightHip?.x ?? 0.5)) / 2,
y: ((leftHip?.y ?? 0.7) + (rightHip?.y ?? 0.7)) / 2,
};
const dtMs = tracking.prevTimestamp ? Math.max(16, timestamp - tracking.prevTimestamp) : 33;
const rightSpeed = distance(rightWrist, tracking.prevRightWrist) * (1000 / dtMs);
const leftSpeed = distance(leftWrist, tracking.prevLeftWrist) * (1000 / dtMs);
const hipSpeed = distance(hipCenter, tracking.prevHipCenter) * (1000 / dtMs);
const rightVerticalMotion = tracking.prevRightWrist ? tracking.prevRightWrist.y - (rightWrist?.y ?? tracking.prevRightWrist.y) : 0;
const shoulderTilt = Math.abs((leftShoulder?.y ?? 0.3) - (rightShoulder?.y ?? 0.3));
const hipTilt = Math.abs((leftHip?.y ?? 0.55) - (rightHip?.y ?? 0.55));
const headOffset = Math.abs((nose?.x ?? 0.5) - (((leftShoulder?.x ?? 0.45) + (rightShoulder?.x ?? 0.55)) / 2));
const kneeBend = ((getAngle(leftHip, leftKnee, leftAnkle) || 165) + (getAngle(rightHip, rightKnee, rightAnkle) || 165)) / 2;
const rightElbowAngle = getAngle(rightShoulder, rightElbow, rightWrist) || 145;
const leftElbowAngle = getAngle(leftShoulder, leftElbow, leftWrist) || 145;
const footSpread = Math.abs((leftAnkle?.x ?? 0.42) - (rightAnkle?.x ?? 0.58));
const visibility =
landmarks.reduce((sum, point) => sum + (point.visibility ?? 0.95), 0) /
Math.max(1, landmarks.length);
const posture = clamp(100 - shoulderTilt * 780 - headOffset * 640, 0, 100);
const balance = clamp(100 - hipTilt * 900 - Math.max(0, 0.16 - footSpread) * 260, 0, 100);
const footwork = clamp(45 + Math.min(36, hipSpeed * 120) + Math.max(0, 165 - kneeBend) * 0.35, 0, 100);
const consistency = clamp(visibility * 100 - Math.abs(rightSpeed - leftSpeed) * 10, 0, 100);
const candidates: Array<{ action: ActionType; confidence: number }> = [
{
action: "serve",
confidence: clamp(
(rightWrist && nose && rightWrist.y < nose.y ? 0.45 : 0.1) +
(rightElbow && rightShoulder && rightElbow.y < rightShoulder.y ? 0.18 : 0.04) +
clamp((rightElbowAngle - 135) / 55, 0, 0.22) +
clamp(rightVerticalMotion * 4.5, 0, 0.15),
0,
0.98,
),
},
{
action: "overhead",
confidence: clamp(
(rightWrist && rightShoulder && rightWrist.y < rightShoulder.y - 0.1 ? 0.34 : 0.08) +
clamp(rightSpeed * 0.08, 0, 0.28) +
clamp((rightElbowAngle - 125) / 70, 0, 0.18),
0,
0.92,
),
},
{
action: "forehand",
confidence: clamp(
(rightWrist && nose && rightWrist.x > nose.x ? 0.28 : 0.08) +
clamp(rightSpeed * 0.12, 0, 0.36) +
clamp((rightElbowAngle - 85) / 70, 0, 0.2),
0,
0.94,
),
},
{
action: "backhand",
confidence: clamp(
((leftWrist && nose && leftWrist.x < nose.x) || (rightWrist && nose && rightWrist.x < nose.x) ? 0.28 : 0.08) +
clamp(Math.max(leftSpeed, rightSpeed) * 0.1, 0, 0.34) +
clamp((leftElbowAngle - 85) / 70, 0, 0.18),
0,
0.92,
),
},
{
action: "volley",
confidence: clamp(
(rightWrist && rightShoulder && Math.abs(rightWrist.y - rightShoulder.y) < 0.12 ? 0.3 : 0.08) +
clamp((0.22 - Math.abs((rightWrist?.x ?? 0.5) - hipCenter.x)) * 1.5, 0, 0.18) +
clamp((1.8 - rightSpeed) * 0.14, 0, 0.18),
0,
0.88,
),
},
{
action: "slice",
confidence: clamp(
(rightWrist && rightShoulder && rightWrist.y > rightShoulder.y ? 0.18 : 0.06) +
clamp((tracking.prevRightWrist && rightWrist && rightWrist.y > tracking.prevRightWrist.y ? 0.18 : 0.04), 0, 0.18) +
clamp(rightSpeed * 0.08, 0, 0.24),
0,
0.82,
),
},
{
action: "lob",
confidence: clamp(
(rightWrist && nose && rightWrist.y < nose.y + 0.1 ? 0.22 : 0.08) +
clamp(rightVerticalMotion * 4.2, 0, 0.28) +
clamp((0.18 - Math.abs((rightWrist?.x ?? 0.5) - hipCenter.x)) * 1.4, 0, 0.18),
0,
0.86,
),
},
];
candidates.sort((a, b) => b.confidence - a.confidence);
const topCandidate = candidates[0] ?? { action: "unknown" as ActionType, confidence: 0.2 };
const action = topCandidate.confidence >= 0.5 ? topCandidate.action : "unknown";
const techniqueBase =
action === "serve" || action === "overhead"
? clamp(100 - Math.abs(rightElbowAngle - 160) * 0.9, 0, 100)
: action === "backhand"
? clamp(100 - Math.abs(leftElbowAngle - 118) * 0.9, 0, 100)
: clamp(100 - Math.abs(rightElbowAngle - 118) * 0.85, 0, 100);
const technique = clamp(techniqueBase + topCandidate.confidence * 8, 0, 100);
const overall = clamp(
posture * 0.22 +
balance * 0.18 +
technique * 0.28 +
footwork * 0.16 +
consistency * 0.16,
0,
100,
);
const feedback: string[] = [];
if (action === "unknown") {
feedback.push("当前片段缺少完整挥拍特征,系统已归为未知动作。");
}
if (posture < 72) {
feedback.push("上体轴线偏移较明显,击球准备时保持头肩稳定。");
}
if (balance < 70) {
feedback.push("重心波动偏大,建议扩大支撑面并缩短恢复时间。");
}
if (footwork < 68) {
feedback.push("脚步启动不足,击球前先完成小碎步调整。");
}
if ((action === "serve" || action === "overhead") && technique < 75) {
feedback.push("抬臂延展不够,击球点再高一些会更完整。");
}
if ((action === "forehand" || action === "backhand") && technique < 75) {
feedback.push("肘腕角度偏紧,击球点前移并完成收拍。");
}
if (feedback.length === 0) {
feedback.push("节奏稳定,可以继续累积高质量动作片段。");
}
tracking.prevTimestamp = timestamp;
tracking.prevRightWrist = rightWrist;
tracking.prevLeftWrist = leftWrist;
tracking.prevHipCenter = hipCenter;
tracking.lastAction = action;
return {
action,
confidence: clamp(topCandidate.confidence, 0, 1),
score: {
overall: Math.round(overall),
posture: Math.round(posture),
balance: Math.round(balance),
technique: Math.round(technique),
footwork: Math.round(footwork),
consistency: Math.round(consistency),
confidence: Math.round(clamp(topCandidate.confidence * 100, 0, 100)),
},
feedback: feedback.slice(0, 3),
};
}
function drawOverlay(canvas: HTMLCanvasElement | null, landmarks: Point[] | undefined) {
const ctx = canvas?.getContext("2d");
if (!canvas || !ctx) return;
ctx.clearRect(0, 0, canvas.width, canvas.height);
if (!landmarks) return;
ctx.strokeStyle = "rgba(25, 211, 155, 0.9)";
ctx.lineWidth = 3;
for (const [from, to] of POSE_CONNECTIONS) {
const a = landmarks[from];
const b = landmarks[to];
if (!a || !b || (a.visibility ?? 1) < 0.25 || (b.visibility ?? 1) < 0.25) continue;
ctx.beginPath();
ctx.moveTo(a.x * canvas.width, a.y * canvas.height);
ctx.lineTo(b.x * canvas.width, b.y * canvas.height);
ctx.stroke();
}
landmarks.forEach((point, index) => {
if ((point.visibility ?? 1) < 0.25) return;
ctx.fillStyle = index >= 11 && index <= 16 ? "rgba(253, 224, 71, 0.95)" : "rgba(255,255,255,0.88)";
ctx.beginPath();
ctx.arc(point.x * canvas.width, point.y * canvas.height, index >= 11 && index <= 16 ? 5 : 4, 0, Math.PI * 2);
ctx.fill();
});
}
function ScoreBar({ label, value, accent }: { label: string; value: number; accent?: string }) {
return (
<div className="space-y-1">
<div className="flex items-center justify-between text-xs">
<span className="text-muted-foreground">{label}</span>
<span className="font-medium">{Math.round(value)}</span>
</div>
<div className="h-2 rounded-full bg-muted/70">
<div
className={`h-full rounded-full transition-all ${accent || "bg-primary"}`}
style={{ width: `${clamp(value, 0, 100)}%` }}
/>
</div>
</div>
);
}
export default function LiveCamera() {
useAuth();
const utils = trpc.useUtils();
const mobile = useMemo(() => isMobileDevice(), []);
const videoRef = useRef<HTMLVideoElement>(null);
const canvasRef = useRef<HTMLCanvasElement>(null);
const streamRef = useRef<MediaStream | null>(null);
const poseRef = useRef<any>(null);
const recorderRef = useRef<MediaRecorder | null>(null);
const recorderMimeTypeRef = useRef("video/webm");
const recorderChunksRef = useRef<Blob[]>([]);
const recorderStopPromiseRef = useRef<Promise<Blob | null> | null>(null);
const analyzingRef = useRef(false);
const animationRef = useRef<number>(0);
const sessionStartedAtRef = useRef<number>(0);
const trackingRef = useRef<TrackingState>({});
const actionHistoryRef = useRef<ActionObservation[]>([]);
const currentSegmentRef = useRef<ActionSegment | null>(null);
const segmentsRef = useRef<ActionSegment[]>([]);
const frameSamplesRef = useRef<PoseScore[]>([]);
const [cameraActive, setCameraActive] = useState(false);
const [facing, setFacing] = useState<CameraFacing>("environment");
const [hasMultipleCameras, setHasMultipleCameras] = useState(false);
const [showSetupGuide, setShowSetupGuide] = useState(true);
const [setupStep, setSetupStep] = useState(0);
const [sessionMode, setSessionMode] = useState<SessionMode>("practice");
const [analyzing, setAnalyzing] = useState(false);
const [saving, setSaving] = useState(false);
const [immersivePreview, setImmersivePreview] = useState(false);
const [liveScore, setLiveScore] = useState<PoseScore | null>(null);
const [currentAction, setCurrentAction] = useState<ActionType>("unknown");
const [feedback, setFeedback] = useState<string[]>([]);
const [segments, setSegments] = useState<ActionSegment[]>([]);
const [durationMs, setDurationMs] = useState(0);
const uploadMutation = trpc.video.upload.useMutation();
const saveLiveSessionMutation = trpc.analysis.liveSessionSave.useMutation({
onSuccess: () => {
utils.profile.stats.invalidate();
utils.analysis.liveSessionList.invalidate();
utils.record.list.invalidate();
utils.achievement.list.invalidate();
utils.rating.current.invalidate();
utils.rating.history.invalidate();
},
});
const liveSessionsQuery = trpc.analysis.liveSessionList.useQuery({ limit: 8 });
const visibleSegments = useMemo(
() => segments.filter((segment) => !segment.isUnknown).sort((a, b) => b.startMs - a.startMs),
[segments],
);
const unknownSegments = useMemo(() => segments.filter((segment) => segment.isUnknown), [segments]);
useEffect(() => {
navigator.mediaDevices?.enumerateDevices().then((devices) => {
const cameras = devices.filter((device) => device.kind === "videoinput");
setHasMultipleCameras(cameras.length > 1);
}).catch(() => undefined);
}, []);
useEffect(() => {
if (!cameraActive || !streamRef.current || !videoRef.current) return;
if (videoRef.current.srcObject !== streamRef.current) {
videoRef.current.srcObject = streamRef.current;
void videoRef.current.play().catch(() => undefined);
}
}, [cameraActive, immersivePreview]);
const stopSessionRecorder = useCallback(async () => {
const recorder = recorderRef.current;
if (!recorder) return null;
const stopPromise = recorderStopPromiseRef.current;
if (recorder.state !== "inactive") {
recorder.stop();
}
recorderRef.current = null;
recorderStopPromiseRef.current = null;
return stopPromise ?? null;
}, []);
const stopCamera = useCallback(() => {
if (animationRef.current) {
cancelAnimationFrame(animationRef.current);
animationRef.current = 0;
}
if (poseRef.current?.close) {
poseRef.current.close();
poseRef.current = null;
}
analyzingRef.current = false;
setAnalyzing(false);
void stopSessionRecorder();
if (streamRef.current) {
streamRef.current.getTracks().forEach((track) => track.stop());
streamRef.current = null;
}
if (videoRef.current) {
videoRef.current.srcObject = null;
}
setCameraActive(false);
}, [stopSessionRecorder]);
useEffect(() => {
return () => {
stopCamera();
};
}, [stopCamera]);
const startCamera = useCallback(async () => {
try {
if (streamRef.current) {
streamRef.current.getTracks().forEach((track) => track.stop());
}
const constraints: MediaStreamConstraints = {
video: {
facingMode: facing,
width: { ideal: mobile ? 1280 : 1920 },
height: { ideal: mobile ? 720 : 1080 },
frameRate: { ideal: 30, max: 30 },
},
audio: false,
};
const stream = await navigator.mediaDevices.getUserMedia(constraints);
streamRef.current = stream;
if (videoRef.current) {
videoRef.current.srcObject = stream;
await videoRef.current.play();
}
setCameraActive(true);
toast.success("摄像头已启动");
} catch (error: any) {
toast.error(`摄像头启动失败: ${error?.message || "未知错误"}`);
}
}, [facing, mobile]);
const switchCamera = useCallback(async () => {
const nextFacing: CameraFacing = facing === "user" ? "environment" : "user";
setFacing(nextFacing);
if (!cameraActive) return;
stopCamera();
await new Promise((resolve) => setTimeout(resolve, 250));
await startCamera();
}, [cameraActive, facing, startCamera, stopCamera]);
const flushSegment = useCallback((segment: ActionSegment | null) => {
if (!segment || segment.durationMs < MIN_SEGMENT_MS) {
return;
}
const finalized: ActionSegment = {
...segment,
durationMs: Math.max(segment.durationMs, segment.endMs - segment.startMs),
clipLabel: `${ACTION_META[segment.actionType].label} ${formatDuration(segment.startMs)} - ${formatDuration(segment.endMs)}`,
keyFrames: Array.from(new Set(segment.keyFrames)).slice(-4),
issueSummary: segment.issueSummary.slice(0, 4),
};
segmentsRef.current = [...segmentsRef.current, finalized];
setSegments(segmentsRef.current);
}, []);
const appendFrameToSegment = useCallback((frame: AnalyzedFrame, elapsedMs: number) => {
const current = currentSegmentRef.current;
if (!current) {
currentSegmentRef.current = createSegment(frame.action, elapsedMs, frame);
return;
}
const sameAction = current.actionType === frame.action;
const gap = elapsedMs - current.endMs;
const nextDuration = elapsedMs - current.startMs;
if (sameAction && gap <= MERGE_GAP_MS && nextDuration <= SEGMENT_MAX_MS) {
const nextFrameCount = current.frameCount + 1;
current.endMs = elapsedMs;
current.durationMs = current.endMs - current.startMs;
current.frameCount = nextFrameCount;
current.confidenceAvg = ((current.confidenceAvg * (nextFrameCount - 1)) + frame.confidence) / nextFrameCount;
current.score = ((current.score * (nextFrameCount - 1)) + frame.score.overall) / nextFrameCount;
current.peakScore = Math.max(current.peakScore, frame.score.overall);
current.issueSummary = Array.from(new Set([...current.issueSummary, ...frame.feedback])).slice(0, 4);
current.keyFrames = [...current.keyFrames.slice(-3), elapsedMs];
return;
}
flushSegment(current);
currentSegmentRef.current = createSegment(frame.action, elapsedMs, frame);
}, [flushSegment]);
const startSessionRecorder = useCallback((stream: MediaStream) => {
if (typeof MediaRecorder === "undefined") {
recorderRef.current = null;
recorderStopPromiseRef.current = Promise.resolve(null);
return;
}
recorderChunksRef.current = [];
const mimeType = pickRecorderMimeType();
recorderMimeTypeRef.current = mimeType;
const recorder = new MediaRecorder(stream, { mimeType, videoBitsPerSecond: mobile ? 1_300_000 : 2_300_000 });
recorderRef.current = recorder;
recorder.ondataavailable = (event) => {
if (event.data && event.data.size > 0) {
recorderChunksRef.current.push(event.data);
}
};
recorderStopPromiseRef.current = new Promise((resolve) => {
recorder.onstop = () => {
const type = recorderMimeTypeRef.current.includes("mp4") ? "video/mp4" : "video/webm";
const blob = recorderChunksRef.current.length > 0 ? new Blob(recorderChunksRef.current, { type }) : null;
resolve(blob);
};
});
recorder.start(1000);
}, [mobile]);
const persistSession = useCallback(async () => {
const endedAt = Date.now();
const sessionDuration = Math.max(0, endedAt - sessionStartedAtRef.current);
const currentSegment = currentSegmentRef.current;
if (currentSegment) {
currentSegment.endMs = sessionDuration;
currentSegment.durationMs = currentSegment.endMs - currentSegment.startMs;
flushSegment(currentSegment);
currentSegmentRef.current = null;
}
const scoreSamples = frameSamplesRef.current;
const finalSegments = [...segmentsRef.current];
const segmentDurations = finalSegments.reduce<Record<ActionType, number>>((acc, segment) => {
acc[segment.actionType] = (acc[segment.actionType] || 0) + segment.durationMs;
return acc;
}, {
forehand: 0,
backhand: 0,
serve: 0,
volley: 0,
overhead: 0,
slice: 0,
lob: 0,
unknown: 0,
});
const dominantAction = (Object.entries(segmentDurations).sort((a, b) => b[1] - a[1])[0]?.[0] || "unknown") as ActionType;
const effectiveSegments = finalSegments.filter((segment) => !segment.isUnknown);
const unknownCount = finalSegments.length - effectiveSegments.length;
const averageScore = scoreSamples.length > 0
? scoreSamples.reduce((sum, item) => sum + item.overall, 0) / scoreSamples.length
: liveScore?.overall || 0;
const averagePosture = scoreSamples.length > 0 ? scoreSamples.reduce((sum, item) => sum + item.posture, 0) / scoreSamples.length : liveScore?.posture || 0;
const averageBalance = scoreSamples.length > 0 ? scoreSamples.reduce((sum, item) => sum + item.balance, 0) / scoreSamples.length : liveScore?.balance || 0;
const averageTechnique = scoreSamples.length > 0 ? scoreSamples.reduce((sum, item) => sum + item.technique, 0) / scoreSamples.length : liveScore?.technique || 0;
const averageFootwork = scoreSamples.length > 0 ? scoreSamples.reduce((sum, item) => sum + item.footwork, 0) / scoreSamples.length : liveScore?.footwork || 0;
const averageConsistency = scoreSamples.length > 0 ? scoreSamples.reduce((sum, item) => sum + item.consistency, 0) / scoreSamples.length : liveScore?.consistency || 0;
const sessionFeedback = Array.from(new Set(finalSegments.flatMap((segment) => segment.issueSummary))).slice(0, 5);
let uploadedVideo: { videoId: number; url: string } | null = null;
const recordedBlob = await stopSessionRecorder();
if (recordedBlob && recordedBlob.size > 0) {
const format = recorderMimeTypeRef.current.includes("mp4") ? "mp4" : "webm";
const fileBase64 = await blobToBase64(recordedBlob);
uploadedVideo = await uploadMutation.mutateAsync({
title: `实时分析 ${new Date().toLocaleString("zh-CN", { month: "2-digit", day: "2-digit", hour: "2-digit", minute: "2-digit" })}`,
format,
fileSize: recordedBlob.size,
exerciseType: dominantAction,
fileBase64,
});
}
if (finalSegments.length === 0) {
return;
}
await saveLiveSessionMutation.mutateAsync({
title: `实时分析 ${ACTION_META[dominantAction].label}`,
sessionMode,
startedAt: sessionStartedAtRef.current,
endedAt,
durationMs: sessionDuration,
dominantAction,
overallScore: Math.round(averageScore),
postureScore: Math.round(averagePosture),
balanceScore: Math.round(averageBalance),
techniqueScore: Math.round(averageTechnique),
footworkScore: Math.round(averageFootwork),
consistencyScore: Math.round(averageConsistency),
totalActionCount: effectiveSegments.length,
effectiveSegments: effectiveSegments.length,
totalSegments: finalSegments.length,
unknownSegments: unknownCount,
feedback: sessionFeedback,
metrics: {
actionDurations: segmentDurations,
averageConfidence: Math.round((scoreSamples.reduce((sum, item) => sum + item.confidence, 0) / Math.max(1, scoreSamples.length)) * 10) / 10,
sampleCount: scoreSamples.length,
mobile,
},
segments: finalSegments.map((segment) => ({
actionType: segment.actionType,
isUnknown: segment.isUnknown,
startMs: segment.startMs,
endMs: segment.endMs,
durationMs: segment.durationMs,
confidenceAvg: Number(segment.confidenceAvg.toFixed(4)),
score: Math.round(segment.score),
peakScore: Math.round(segment.peakScore),
frameCount: segment.frameCount,
issueSummary: segment.issueSummary,
keyFrames: segment.keyFrames,
clipLabel: segment.clipLabel,
})),
videoId: uploadedVideo?.videoId,
videoUrl: uploadedVideo?.url,
});
}, [flushSegment, liveScore, mobile, saveLiveSessionMutation, sessionMode, stopSessionRecorder, uploadMutation]);
const startAnalysis = useCallback(async () => {
if (!cameraActive || !videoRef.current || !streamRef.current) {
toast.error("请先启动摄像头");
return;
}
if (analyzingRef.current || saving) return;
analyzingRef.current = true;
setAnalyzing(true);
setSaving(false);
setSegments([]);
segmentsRef.current = [];
currentSegmentRef.current = null;
trackingRef.current = {};
actionHistoryRef.current = [];
frameSamplesRef.current = [];
sessionStartedAtRef.current = Date.now();
setDurationMs(0);
startSessionRecorder(streamRef.current);
try {
const testFactory = (
window as typeof window & {
__TEST_MEDIAPIPE_FACTORY__?: () => Promise<{ Pose: any }>;
}
).__TEST_MEDIAPIPE_FACTORY__;
const { Pose } = testFactory ? await testFactory() : await import("@mediapipe/pose");
const pose = new Pose({
locateFile: (file: string) => `https://cdn.jsdelivr.net/npm/@mediapipe/pose/${file}`,
});
poseRef.current = pose;
pose.setOptions({
modelComplexity: 1,
smoothLandmarks: true,
enableSegmentation: false,
minDetectionConfidence: 0.5,
minTrackingConfidence: 0.5,
});
pose.onResults((results: { poseLandmarks?: Point[] }) => {
const video = videoRef.current;
const canvas = canvasRef.current;
if (!video || !canvas) return;
if (video.videoWidth > 0 && video.videoHeight > 0) {
canvas.width = video.videoWidth;
canvas.height = video.videoHeight;
}
drawOverlay(canvas, results.poseLandmarks);
if (!results.poseLandmarks) return;
const analyzed = stabilizeAnalyzedFrame(
analyzePoseFrame(results.poseLandmarks, trackingRef.current, performance.now()),
actionHistoryRef.current,
);
const elapsedMs = Date.now() - sessionStartedAtRef.current;
appendFrameToSegment(analyzed, elapsedMs);
frameSamplesRef.current.push(analyzed.score);
setLiveScore(analyzed.score);
setCurrentAction(analyzed.action);
setFeedback(analyzed.feedback);
setDurationMs(elapsedMs);
});
const processFrame = async () => {
if (!analyzingRef.current || !videoRef.current || !poseRef.current) return;
if (videoRef.current.readyState >= 2 || testFactory) {
await poseRef.current.send({ image: videoRef.current });
}
animationRef.current = requestAnimationFrame(processFrame);
};
toast.success("动作识别已启动");
processFrame();
} catch (error: any) {
analyzingRef.current = false;
setAnalyzing(false);
await stopSessionRecorder();
toast.error(`实时分析启动失败: ${error?.message || "未知错误"}`);
}
}, [appendFrameToSegment, cameraActive, saving, startSessionRecorder, stopSessionRecorder]);
const stopAnalysis = useCallback(async () => {
if (!analyzingRef.current) return;
analyzingRef.current = false;
setAnalyzing(false);
setSaving(true);
if (animationRef.current) {
cancelAnimationFrame(animationRef.current);
animationRef.current = 0;
}
try {
if (poseRef.current?.close) {
poseRef.current.close();
poseRef.current = null;
}
await persistSession();
toast.success("实时分析已保存,并同步写入训练记录");
await liveSessionsQuery.refetch();
} catch (error: any) {
toast.error(`保存实时分析失败: ${error?.message || "未知错误"}`);
} finally {
setSaving(false);
}
}, [liveSessionsQuery, persistSession]);
const handleSetupComplete = useCallback(async () => {
setShowSetupGuide(false);
await startCamera();
}, [startCamera]);
const heroAction = ACTION_META[currentAction];
const previewTitle = analyzing ? `${heroAction.label} 识别中` : cameraActive ? "准备开始实时分析" : "摄像头待启动";
const renderPrimaryActions = (rail = false) => {
const buttonClass = rail
? "h-14 w-14 rounded-2xl border border-white/10 bg-white/10 text-white hover:bg-white/20"
: "h-11 rounded-2xl px-4";
if (!cameraActive) {
return (
<Button
data-testid={rail ? undefined : "live-camera-toolbar-start-button"}
className={buttonClass}
onClick={() => setShowSetupGuide(true)}
>
<Camera className={rail ? "h-5 w-5" : "mr-2 h-4 w-4"} />
{!rail && "启动摄像头"}
</Button>
);
}
return (
<>
{hasMultipleCameras ? (
<Button variant={rail ? "secondary" : "outline"} className={buttonClass} onClick={() => void switchCamera()}>
<FlipHorizontal className={rail ? "h-5 w-5" : "mr-2 h-4 w-4"} />
{!rail && "切换镜头"}
</Button>
) : null}
{!analyzing ? (
<Button
data-testid="live-camera-analyze-button"
className={buttonClass}
onClick={() => void startAnalysis()}
disabled={saving}
>
<Zap className={rail ? "h-5 w-5" : "mr-2 h-4 w-4"} />
{!rail && "开始分析"}
</Button>
) : (
<Button variant="destructive" className={buttonClass} onClick={() => void stopAnalysis()} disabled={saving}>
<Activity className={rail ? "h-5 w-5" : "mr-2 h-4 w-4"} />
{!rail && "结束分析"}
</Button>
)}
{!rail ? (
<Button variant="outline" className={buttonClass} onClick={() => setShowSetupGuide(true)} disabled={analyzing || saving}>
<RotateCcw className="mr-2 h-4 w-4" />
</Button>
) : null}
</>
);
};
return (
<div className="space-y-4 mobile-safe-bottom">
<Dialog open={showSetupGuide} onOpenChange={setShowSetupGuide}>
<DialogContent className="max-w-md">
<DialogHeader>
<DialogTitle className="flex items-center gap-2">
<Camera className="h-5 w-5 text-primary" />
</DialogTitle>
<DialogDescription>
</DialogDescription>
</DialogHeader>
<div className="space-y-3 py-2">
{SETUP_STEPS.map((step, index) => (
<div
key={step.title}
className={`flex gap-3 rounded-2xl border px-4 py-3 ${
index === setupStep ? "border-primary/40 bg-primary/5" : index < setupStep ? "border-emerald-200 bg-emerald-50" : "border-border/60 bg-muted/30"
}`}
>
<div className={`flex h-10 w-10 shrink-0 items-center justify-center rounded-full ${
index < setupStep ? "bg-emerald-100 text-emerald-700" : index === setupStep ? "bg-primary/10 text-primary" : "bg-muted text-muted-foreground"
}`}>
{index < setupStep ? <CheckCircle2 className="h-5 w-5" /> : step.icon}
</div>
<div>
<div className="text-sm font-medium">{step.title}</div>
<div className="mt-1 text-xs leading-5 text-muted-foreground">{step.desc}</div>
</div>
</div>
))}
</div>
<DialogFooter className="flex gap-2">
{setupStep > 0 ? (
<Button variant="outline" onClick={() => setSetupStep((value) => value - 1)}></Button>
) : null}
{setupStep < SETUP_STEPS.length - 1 ? (
<Button onClick={() => setSetupStep((value) => value + 1)}></Button>
) : (
<Button onClick={() => void handleSetupComplete()}>
</Button>
)}
</DialogFooter>
</DialogContent>
</Dialog>
<section className="rounded-[28px] border border-border/60 bg-[radial-gradient(circle_at_top_left,_rgba(249,115,22,0.16),_transparent_32%),linear-gradient(135deg,rgba(12,18,24,0.98),rgba(26,31,43,0.96))] p-5 text-white shadow-xl shadow-black/10 md:p-7">
<div className="flex flex-col gap-4 lg:flex-row lg:items-end lg:justify-between">
<div className="space-y-3">
<div className="flex flex-wrap items-center gap-2">
<Badge className="gap-1.5 border-white/10 bg-white/10 text-white hover:bg-white/10">
<Sparkles className="h-3.5 w-3.5" />
</Badge>
<Badge className="gap-1.5 border-white/10 bg-white/10 text-white hover:bg-white/10">
<Video className="h-3.5 w-3.5" />
+
</Badge>
<Badge className="gap-1.5 border-white/10 bg-white/10 text-white hover:bg-white/10">
<PlayCircle className="h-3.5 w-3.5" />
{sessionMode === "practice" ? "练习会话" : "训练 PK"}
</Badge>
</div>
<div>
<h1 className="text-3xl font-semibold tracking-tight"></h1>
<p className="mt-2 max-w-2xl text-sm leading-6 text-white/70">
</p>
</div>
</div>
<div className="grid grid-cols-3 gap-2 rounded-2xl border border-white/10 bg-white/5 p-2 text-center text-xs text-white/75 sm:w-[360px]">
<div className="rounded-xl bg-black/15 px-3 py-3">
<div className="text-[11px] uppercase tracking-[0.18em] text-white/45"></div>
<div className="mt-2 text-sm font-semibold text-white">{heroAction.label}</div>
</div>
<div className="rounded-xl bg-black/15 px-3 py-3">
<div className="text-[11px] uppercase tracking-[0.18em] text-white/45"></div>
<div className="mt-2 text-lg font-semibold text-white">{formatDuration(durationMs)}</div>
</div>
<div className="rounded-xl bg-black/15 px-3 py-3">
<div className="text-[11px] uppercase tracking-[0.18em] text-white/45"></div>
<div className="mt-2 text-lg font-semibold text-white">{segments.length}</div>
</div>
</div>
</div>
</section>
<div className="grid gap-4 xl:grid-cols-[minmax(0,1.65fr)_minmax(360px,0.95fr)]">
<section className="space-y-4">
<Card className="overflow-hidden border-0 shadow-lg">
<CardContent className="p-0">
<div className="relative aspect-[16/10] overflow-hidden bg-black sm:aspect-video">
<video
ref={videoRef}
className={`absolute inset-0 h-full w-full object-contain ${immersivePreview ? "opacity-0" : ""}`}
playsInline
muted
autoPlay
/>
<canvas
ref={canvasRef}
className={`pointer-events-none absolute inset-0 h-full w-full object-contain ${analyzing ? "" : "opacity-70"}`}
/>
{!cameraActive ? (
<div className="absolute inset-0 flex flex-col items-center justify-center gap-4 bg-[radial-gradient(circle_at_center,_rgba(249,115,22,0.12),_rgba(0,0,0,0.78))] px-6 text-center text-white/75">
<CameraOff className="h-14 w-14" />
<div className="space-y-1">
<div className="text-xl font-medium"></div>
<div className="text-sm text-white/60"></div>
</div>
<Button data-testid="live-camera-start-button" onClick={() => setShowSetupGuide(true)} className="rounded-2xl">
<Camera className="mr-2 h-4 w-4" />
</Button>
</div>
) : null}
<div className="pointer-events-none absolute left-3 top-3 flex flex-wrap gap-2">
<Badge className="gap-1.5 bg-black/60 text-white shadow-sm">
<Activity className="h-3.5 w-3.5" />
{previewTitle}
</Badge>
<Badge className="gap-1.5 bg-black/60 text-white shadow-sm">
<Target className="h-3.5 w-3.5" />
{visibleSegments.length}
</Badge>
</div>
{mobile ? (
<Button
type="button"
size="icon"
variant="secondary"
onClick={() => setImmersivePreview(true)}
className="absolute right-3 top-3 z-20 h-11 w-11 rounded-full border border-white/10 bg-black/60 text-white shadow-lg hover:bg-black/75"
>
<Maximize2 className="h-4 w-4" />
</Button>
) : null}
{(analyzing || saving) ? (
<div className="absolute bottom-3 left-3 rounded-full bg-black/65 px-3 py-2 text-sm text-white shadow-lg">
{saving ? "正在保存会话..." : `识别中 · ${formatDuration(durationMs)}`}
</div>
) : null}
</div>
<div className="border-t border-border/60 bg-card/80 p-4">
<div className="grid gap-3 md:grid-cols-[180px_minmax(0,1fr)]">
<Select value={sessionMode} onValueChange={(value) => setSessionMode(value as SessionMode)} disabled={analyzing || saving}>
<SelectTrigger className="h-12 rounded-2xl border-border/60">
<SelectValue />
</SelectTrigger>
<SelectContent>
<SelectItem value="practice"></SelectItem>
<SelectItem value="pk"> PK</SelectItem>
</SelectContent>
</Select>
<div className="flex flex-wrap gap-2">
{renderPrimaryActions()}
</div>
</div>
</div>
</CardContent>
</Card>
<Card className="border-0 shadow-sm">
<CardHeader className="pb-3">
<CardTitle className="text-base"></CardTitle>
<CardDescription>
10 便
</CardDescription>
</CardHeader>
<CardContent className="space-y-3">
{visibleSegments.length === 0 ? (
<div className="rounded-2xl border border-dashed border-border/60 px-4 py-8 text-center text-sm text-muted-foreground">
</div>
) : (
visibleSegments.map((segment) => {
const meta = ACTION_META[segment.actionType];
return (
<div key={`${segment.actionType}-${segment.startMs}`} className="rounded-2xl border border-border/60 bg-muted/25 p-4">
<div className="flex flex-col gap-3 sm:flex-row sm:items-start sm:justify-between">
<div className="space-y-2">
<div className="flex flex-wrap items-center gap-2">
<Badge className={meta.tone}>{meta.label}</Badge>
<Badge variant="outline">{formatDuration(segment.startMs)} - {formatDuration(segment.endMs)}</Badge>
<Badge variant="outline"> {formatDuration(segment.durationMs)}</Badge>
</div>
<div className="text-sm text-muted-foreground">{segment.issueSummary.join(" · ") || "当前片段节奏稳定"}</div>
</div>
<div className="min-w-[120px] text-sm">
<div className="flex items-center justify-between">
<span className="text-muted-foreground"></span>
<span className="font-semibold">{Math.round(segment.score)}</span>
</div>
<div className="mt-2 flex items-center justify-between">
<span className="text-muted-foreground"></span>
<span className="font-semibold">{Math.round(segment.confidenceAvg * 100)}%</span>
</div>
</div>
</div>
</div>
);
})
)}
</CardContent>
</Card>
</section>
<aside className="space-y-4">
<Card className="border-0 shadow-sm">
<CardHeader className="pb-3">
<CardTitle className="text-base"></CardTitle>
</CardHeader>
<CardContent className="space-y-4">
{liveScore ? (
<>
<div className="rounded-3xl border border-border/60 bg-muted/20 p-5 text-center">
<div className="text-xs uppercase tracking-[0.18em] text-muted-foreground"></div>
<div data-testid="live-camera-score-overall" className="mt-3 text-5xl font-semibold tracking-tight">
{liveScore.overall}
</div>
<div className="mt-3 flex items-center justify-center gap-2">
<Badge className={heroAction.tone}>{heroAction.label}</Badge>
<Badge variant="outline"> {liveScore.confidence}%</Badge>
</div>
</div>
<div className="space-y-3">
<ScoreBar label="姿态" value={liveScore.posture} accent="bg-emerald-500" />
<ScoreBar label="平衡" value={liveScore.balance} accent="bg-sky-500" />
<ScoreBar label="技术" value={liveScore.technique} accent="bg-amber-500" />
<ScoreBar label="脚步" value={liveScore.footwork} accent="bg-indigo-500" />
<ScoreBar label="连贯性" value={liveScore.consistency} accent="bg-rose-500" />
</div>
</>
) : (
<div className="rounded-2xl border border-dashed border-border/60 px-4 py-8 text-center text-sm text-muted-foreground">
</div>
)}
</CardContent>
</Card>
<Card className="border-0 shadow-sm">
<CardHeader className="pb-3">
<CardTitle className="text-base"></CardTitle>
</CardHeader>
<CardContent className="space-y-2">
{feedback.length > 0 ? feedback.map((item) => (
<div key={item} className="rounded-2xl border border-border/60 bg-muted/25 px-4 py-3 text-sm">
{item}
</div>
)) : (
<div className="rounded-2xl border border-dashed border-border/60 px-4 py-8 text-center text-sm text-muted-foreground">
</div>
)}
<div className="rounded-2xl border border-border/60 bg-muted/20 p-4">
<div className="flex items-center justify-between text-sm">
<span></span>
<span className="font-medium">
{segments.length > 0 ? `${Math.round((unknownSegments.length / segments.length) * 100)}%` : "0%"}
</span>
</div>
<Progress
value={segments.length > 0 ? (unknownSegments.length / segments.length) * 100 : 0}
className="mt-3 h-2"
/>
</div>
</CardContent>
</Card>
<Card className="border-0 shadow-sm">
<CardHeader className="pb-3">
<CardTitle className="text-base"></CardTitle>
</CardHeader>
<CardContent className="space-y-3">
{(liveSessionsQuery.data ?? []).length === 0 ? (
<div className="rounded-2xl border border-dashed border-border/60 px-4 py-8 text-center text-sm text-muted-foreground">
</div>
) : (
(liveSessionsQuery.data ?? []).map((session: any) => (
<div key={session.id} className="rounded-2xl border border-border/60 bg-muted/20 p-4">
<div className="flex items-start justify-between gap-3">
<div>
<div className="font-medium">{session.title}</div>
<div className="mt-1 text-xs text-muted-foreground">
{new Date(session.createdAt).toLocaleString("zh-CN")}
</div>
</div>
<Badge className={ACTION_META[(session.dominantAction as ActionType) || "unknown"].tone}>
{ACTION_META[(session.dominantAction as ActionType) || "unknown"].label}
</Badge>
</div>
<div className="mt-3 grid grid-cols-3 gap-2 text-xs text-muted-foreground">
<div> {Math.round(session.overallScore || 0)}</div>
<div> {session.effectiveSegments || 0}</div>
<div> {formatDuration(session.durationMs || 0)}</div>
</div>
</div>
))
)}
</CardContent>
</Card>
</aside>
</div>
{mobile && immersivePreview ? (
<div className="fixed inset-0 z-[80] bg-black/95 px-3 py-4 mobile-safe-top mobile-safe-bottom mobile-safe-inline">
<div className="grid h-full grid-cols-[minmax(0,1fr)_72px] gap-3">
<div className="relative min-h-0 overflow-hidden rounded-[32px] border border-white/10 bg-black shadow-2xl shadow-black/40">
<video ref={videoRef} className="absolute inset-0 h-full w-full object-contain" playsInline muted autoPlay />
<canvas ref={canvasRef} className="pointer-events-none absolute inset-0 h-full w-full object-contain" />
<div className="pointer-events-none absolute left-3 top-3 flex flex-wrap gap-2">
<Badge className="gap-1.5 bg-black/60 text-white shadow-sm">
<Sparkles className="h-3.5 w-3.5" />
{heroAction.label}
</Badge>
<Badge className="gap-1.5 bg-black/60 text-white shadow-sm">
<Target className="h-3.5 w-3.5" />
</Badge>
</div>
<Button
type="button"
size="icon"
variant="secondary"
onClick={() => setImmersivePreview(false)}
className="absolute right-3 top-3 z-20 h-11 w-11 rounded-full border border-white/10 bg-black/60 text-white shadow-lg hover:bg-black/75"
>
<Minimize2 className="h-4 w-4" />
</Button>
</div>
<div className="flex flex-col items-center justify-center gap-3">
{renderPrimaryActions(true)}
</div>
</div>
</div>
) : null}
</div>
);
}