用于实时屏幕组播的vlc硬件编码
我们正在准备一个解决方案，将老师的屏幕多播到40个学生的电脑上。 教师和学生的电脑可以是Ubuntu和Windows。
测试了一些解决方案：
- iTalc ...还不稳定。
- 多播“vnc -viewonly”...找不到解决方案
- 使用 VLC 捕获屏幕并多播它。
最新的似乎可以工作......除了像 1920x1200 这样的分辨率它对 CPU 的消耗太大了。
一种想法是仅捕获屏幕的第四个部分。 CPU 不再饱和，但一切都变得非常慢，而且表面太小了。
第二个想法是购买专用于实时视频编码的 PCI 卡（或其他东西）。
有人有这方面的经验/知识吗？
谢谢！
We are preparing a solution to multicast the teacher's screen to 40 students' pcs.
Teacher and students pcs can be both Ubuntu and Windows.
Some solutions were tested :
- iTalc ... not stable yet.
- multicast a "vnc -viewonly" ... no solution found
- capture the screen with VLC and multicast it.
That latest seems to work ... except that with a resolution like 1920x1200 it is just too much CPU intensive.
One idea would be to capture only the 4th of the screen. CPU is not saturated anymore but everything becomes really slow and the surface is too small anyway.
A second idea is to buy a PCI card (or something) which will be dedicated to real-time video encoding.
Anyone has an experience/knowledge on it?
Thanks!
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尝试 TightVNC 项目的 TightProjector。
Try the TightVNC project's TightProjector.