[游戏开发]uvccamera相机设置的坑

UVCCamera的显示接口未释放导致页面初始化冲突
release_interface:release interface failed

com.lyq.uvccamerademo E/libusb/usbfs: [10592*android_usbfs.c:1776:release_interface]:release interface failed, error -1 errno 22
com.lyq.uvccamerademo E/UVCCamera: [10592*UVCCamera.cpp:172:connect]:could not open camera:err=-99

摄像头初始化

private void initCamera() {
	UvcCamera.getInstance().init(this);
        // 初始化摄像头
        for (int i = 0; i < mUvcCameraSum; i++) {
            CameraViewInterface uvcCameraInterface1 = null;
            CameraViewInterface uvcCameraInterface2 = null;
            switch (i) {
                case 0:
                    uvcCameraInterface1 = (CameraViewInterface) Cone.findViewById(R.id.uvc_camera_0);
                    if (null != uvcCameraInterface1)                    UvcCamera.getInstance().initCamera(uvcCameraInterface1, vmcDataCallBack1);
                    break;
                case 1:
                    uvcCameraInterface2 = (CameraViewInterface) findViewById(R.id.uvc_camera_1);
                    if (null != uvcCameraInterface2)                   UvcCamera.getInstance().initCamera(uvcCameraInterface2, vmcDataCallBack2);
                    break;
            }
        }
        // 需要时间初始化摄像头，Surface等，否则无返回数据（无画面）
        mDelayHandler.postDelayed(mCameraRunnable, 800);
    }

这里需要 注意delay的时间够不够： mDelayHandler.postDelayed(mCameraRunnable, 800);

/**
* lambda => UVC摄像头图像回调
*/
    Bitmap bitmap1 = null;
    private UvcCameraDataCallBack vmcDataCallBack1 = data -> {
        if (InfraredCameraLock == false) {
            byte[] data1 = null;
            data1 = data;
            bitmap1 = tra.createBitmap_from_byte_alpha_data(UVCCamera.DEFAULT_PREVIEW_WIDTH, UVCCamera.DEFAULT_PREVIEW_HEIGHT, data1);
            Mat src = new Mat();//调用opencv方法新建一个Mat对象
        //Bitmap转换为Mat
            Utils.bitmapToMat(bitmap1, src);
            Utils.matToBitmap(src, bitmap1);

        }

    };

issue参考
https://github.com/saki4510t/UVCCamera/issues