File size: 5,849 Bytes
065d164 bb6831d 3fdfac3 065d164 bb6831d 065d164 3fdfac3 065d164 3fdfac3 065d164 3fdfac3 065d164 128b839 065d164 128b839 065d164 128b839 065d164 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 |
import { useEffect, useRef } from 'react';
const CameraSetup = ({
videoRef,
canvasRef,
containerRef,
facingMode,
setFacingMode,
setCameraError,
setVideoAspectRatio,
updateCanvasSize,
isMobile
}) => {
// Track if component is mounted to prevent state updates after unmount
const isMounted = useRef(true);
// Track if camera is currently being set up
const isSettingUpCamera = useRef(false);
// Set up the webcam
useEffect(() => {
// Set mounted flag
isMounted.current = true;
const setupCamera = async () => {
if (!videoRef.current || !canvasRef.current || !containerRef.current) return;
// Prevent multiple simultaneous setup attempts
if (isSettingUpCamera.current) return;
isSettingUpCamera.current = true;
try {
// Stop any existing stream first
if (videoRef.current.srcObject) {
const tracks = videoRef.current.srcObject.getTracks();
tracks.forEach(track => track.stop());
}
// Get camera stream
const stream = await navigator.mediaDevices.getUserMedia({
video: {
facingMode: facingMode,
width: { ideal: 1920 },
height: { ideal: 1080 }
},
audio: false
});
// Check if component is still mounted before continuing
if (!isMounted.current) {
stream.getTracks().forEach(track => track.stop());
return;
}
videoRef.current.srcObject = stream;
// Use a try-catch block for the play() call
try {
await videoRef.current.play();
} catch (playError) {
console.log("Play interrupted, this is normal if component remounted:", playError);
// Don't treat play interruptions as fatal errors
if (playError.name !== "AbortError") {
throw playError;
}
}
// Get the actual video dimensions once metadata is loaded
videoRef.current.onloadedmetadata = () => {
if (!isMounted.current) return;
const videoWidth = videoRef.current.videoWidth;
const videoHeight = videoRef.current.videoHeight;
const aspectRatio = videoWidth / videoHeight;
setVideoAspectRatio(aspectRatio);
// Update canvas size with the correct aspect ratio
updateCanvasSize(aspectRatio);
};
if (isMounted.current) {
setCameraError(false);
console.log("Camera set up successfully");
}
} catch (error) {
console.error('Error accessing webcam:', error);
if (isMounted.current) {
setCameraError(true);
}
} finally {
isSettingUpCamera.current = false;
}
};
setupCamera();
return () => {
// Set mounted flag to false to prevent state updates after unmount
isMounted.current = false;
if (videoRef.current && videoRef.current.srcObject) {
const tracks = videoRef.current.srcObject.getTracks();
tracks.forEach(track => track.stop());
}
};
}, [videoRef, canvasRef, containerRef, facingMode, setCameraError, setVideoAspectRatio, updateCanvasSize]);
// Function to switch camera
const switchCamera = async () => {
if (!videoRef.current || isSettingUpCamera.current) return;
isSettingUpCamera.current = true;
// Stop current stream
if (videoRef.current.srcObject) {
const tracks = videoRef.current.srcObject.getTracks();
tracks.forEach(track => track.stop());
}
// Toggle facing mode
const newFacingMode = facingMode === 'user' ? 'environment' : 'user';
setFacingMode(newFacingMode);
try {
// Get new camera stream with updated facing mode
const stream = await navigator.mediaDevices.getUserMedia({
video: {
facingMode: newFacingMode,
width: { ideal: 1920 },
height: { ideal: 1080 }
},
audio: false
});
if (!isMounted.current) {
stream.getTracks().forEach(track => track.stop());
return;
}
videoRef.current.srcObject = stream;
try {
await videoRef.current.play();
} catch (playError) {
console.log("Play interrupted during camera switch:", playError);
// Don't treat play interruptions as fatal errors
if (playError.name !== "AbortError") {
throw playError;
}
}
if (isMounted.current) {
setCameraError(false);
console.log(`Camera switched to ${newFacingMode === 'user' ? 'front' : 'back'} camera`);
}
} catch (error) {
console.error('Error switching camera:', error);
if (isMounted.current) {
setCameraError(true);
}
} finally {
isSettingUpCamera.current = false;
}
};
return (
<>
<video
ref={videoRef}
className="hidden"
width="1280"
height="720"
autoPlay
playsInline
muted
/>
{/* Camera switch button - only shown on mobile */}
{isMobile && (
<button
onClick={switchCamera}
className="absolute top-4 right-4 bg-white bg-opacity-70 p-2 rounded-full shadow-md z-10 hover:bg-opacity-90 transition-all flex items-center justify-center"
aria-label={`Switch to ${facingMode === 'user' ? 'back' : 'front'} camera`}
style={{ width: '40px', height: '40px' }}
>
<span className="material-symbols-outlined text-gray-800" style={{ display: 'flex', lineHeight: 1 }}>
cameraswitch
</span>
</button>
)}
</>
);
};
export default CameraSetup; |