问利用HTML2canvas拍摄吉思会议截图

EN

const storedCanvas = document.createElement('canvas');
const storedCanvasContext = storedCanvas.getContext('2d');

var vids = $('video#largeVideo');
vids[0].play();

storedCanvas.height = parseInt(vids[0].videoHeight, 10);
storedCanvas.width = parseInt(vids[0].videoWidth, 10);
storedCanvasContext.drawImage(vids[0], 0, 0, vids[0].videoWidth, vids[0].videoHeight);

storedCanvas.toBlob(
    blob => {
        console.debug(blob);

        var data = new FormData();
        data.append('file', blob);

        $.ajax({
            url: S3_API_URL,
            cache: false,
            contentType: false,
            processData: false,
            method: 'POST',
            data: data
        });
    },
    'png',
    1.0,
);