HarmonyOS 鸿蒙Next createImageReceiver类型设置无效

HarmonyOS 鸿蒙Next createImageReceiver类型设置无效

let imageReceiver2 = image.createImageReceiver(
    CameraSize.WIDTH,
    CameraSize.HEIGHT,
    image.ImageFormat.JPEG,
    8
);

let photoSurfaceId2 = await imageReceiver2.getReceivingSurfaceId();

let previewOutput2 = this.cameraManager.createPreviewOutput(previewProfilesObj, photoSurfaceId2);

let index = 0;

imageReceiver2.on('imageArrival', async () => {
    const img = await imageReceiver2.readLatestImage();
    const component = await img.getComponent(4);
    
    const file = await fs.open(
        this.context.filesDir + `/test${index++}.jpg`,
        fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE
    );
    
    await fs.write(file.fd, component.byteBuffer);
    await fs.close(file.fd);
    
    await img.release();
});

相机预览流返回的数据为YUV格式数据，getComponent和createImageReceiver处设置的jpg类型无效，最终落盘存储的数据依然为YUV格式