NatCorder PC端录制失败

NatCorder Warning: Odd resolution might cause recording to fail
报警告说奇怪的分辨路会导致录制失败。
有时候PC端确实会录制不出来，加个判断把分辨率都改成偶数就行了：

videoWidth = Screen.width;
            videoHeight = Screen.height;
            if (videoWidth % 2 == 1)
                videoWidth -= 1;
            if (videoHeight % 2 == 1)
                videoHeight -= 1;

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