Microsoft Surface呈现桌面时图像不会填充集线器屏幕

你好，
我们在教室里有许多中心，而且大部分都运作良好。
我们目前正在寻找适用于教师的新设备，而Microsoft Surface将在列表中进行查看 - 但是从Surface向Unite呈现时存在一个奇怪的问题。
在呈现桌面时，图像不会填充集线器屏幕。
相反，它出现在中心，顶部和底部出现白色或黑色条纹（参见附件IMG_0631.jpg）。
左侧和右侧也有黑条，这有意义，因为Surface屏幕的宽高比与集线器不匹配，所以我可以看到它们存在的原因，但顶部和底部似乎是一个错误。
它还会影响虚拟指针在投影屏幕上的位置。
有趣的是，这仅影响WebRTC模式 - 如果集线器已禁用，则图像显示正确（IMG_0632.jpg），但这对我们来说不是一个选项，因为它非常慢且缺乏音频。
如果Surface在演示开始时恰好处于纵向模式（IMG_0633.jpg），事情变得更糟 - 我的猜测是客户端在将其锁定回横向模式之前收集屏幕分辨率。     
IMG_0633.JPG
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IMG_0632.JPG
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IMG_0631.JPG
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以下为原文

Hello,

We have a number of hubs in classrooms and for the most part it is working well. We are currently looking at new devices for teachers and the Microsoft Surface is on the list to be looked at - however there is an odd issue when presenting to Unite from a Surface.

When presenting the desktop, the image doesn't fill the hubs screen. Instead, it appears in the centre with white or black bars appearing at the top and bottom (See attached IMG_0631.jpg). There are also black bars at the left and right, which make sense as the aspect ratio of the Surface's screen doesn't match the hub, so I can see why they exist, but the top and bottom seem to be a bug. It also affects where the virtual pointer is located on the projected screen.

Interestingly this only affects WebRTC mode - if the hub has this disabled the image appears correct (IMG_0632.jpg) but that's not an option for us as it is quite slow and lacks audio.

Things get far worse if the Surface happened to be in portrait mode when presentation started (IMG_0633.jpg) - my guess is that the client collects the screen resolution before it locks it back into landscape mode.

•   IMG_0633.JPG 438.9 K
•   IMG_0632.JPG 520.5 K
•   IMG_0631.JPG 689.1 K