Open1
opencv4nodejsでWebカメラを使おうとするとエラーになる on Raspberry Pi 4B
環境
- Raspberry Pi 4B 8GB
- OS: Raspbian GNU/Linux 10
- Node.js v14.17.4
- opencv4nodejs: 5.6.0
コード
import cv from 'opencv4nodejs';
try {
console.log('start');
const camera = new cv.VideoCapture(0);
console.log('got camera');
const image = await camera.readAsync();
console.log('got image');
cv.imshowWait('result', image);
console.log('end');
} catch (e){
console.log("Couldn't start camera:", e)
}
出力
start
(node:1296): GStreamer-CRITICAL **: 22:54:57.949: gst_element_get_state: assertion 'GST_IS_ELEMENT (element)' failed