Method takeScreenshot

data/src/emulator.js:6023–6029

(source, format, upscale)

    }

    async takeScreenshot(source, format, upscale) {
        return new Promise((resolve) => {
            this.screenshot((blob, format) => {
                resolve({ blob, format });
            }, source, format, upscale);
        });
    }

    collectScreenRecordingMediaTracks(canvasEl, fps) {
        let videoTrack = null;