在实际操作的方案中，我们的系统还包括第二套IG，PC集群，同样也是三通道输出
由一个叫做vista spyder的设备控制多IG视频信号的切换等
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需要输出立体，所以需要使用Stereo的Video Format
所谓stereo vfo，它的配置中每个frame包含两个field，分别由两个pipe生成，分别显示给左右眼
Onyx4，运行IRIX6.5，配备了8通道（Pipe），三个合成器（Compositor）
目标是由合成器输出三路立体信号（1280×1024@59.94Hz Stereo），每个合成器接收两个Pipe
一直以来，笔记本上的ubuntu就从来没有为娱乐调校过
直到有一天试图打开rmvb失败，对着台式机的windows又心生厌恶的时候
是时候让windows彻底消失了
从工作应用的角度来说，Ubuntu已经没有任何问题，虽然不得不安装了虚拟机的windows以应付偶尔出现的对office的严格要求
媒体播放和一些网络应用还没有完全适应，这也是这个主题下接下来会讨论的问题
以及一直以来使用ubuntu的一些心得，也会慢慢的发上来
不得不说，Onyx4是个跟时代脱节的计算机产品，要不也不会让我有机会接触vfo这个玩意儿
vfo=>video format output，还句话说就是IG(显卡或相关设备)输出的格式，到了PC，就是分辨率，刷新率
GENLOCK: Genlock refers to the process of synchronizing the pixel scanning of one or more displays to an external synchronization source. NVIDIA Genlock requires the external signal to be either TTL or composite, such as used for NTSC, PAL, or HDTV. It should be noted that the NVIDIA Genlock implementation is guaranteed only to be frame-synchronized, and not necessarily pixel-synchronized.
FRAME LOCK: Frame Lock involves the use of hardware to synchronize the frames on each display in a connected system. When graphics and video are displayed across multiple monitors, frame locked systems help maintain image continuity to create a virtual canvas. Frame lock is especially critical for stereo viewing, where the left and right fields must be in sync across all displays.
In short, to enable genlock means to sync to an external signal. To enable frame lock means to sync 2 or more display devices to a signal generated internally by the hardware, and to use both means to sync 2 or more display devices to an external signal.
SWAP SYNC: Swap sync refers to the synchronization of buffer swaps of multiple application windows. By means of swap sync, applications running on multiple systems can synchronize the application buffer swaps between all the systems. In order to work across multiple systems, swap sync requires that the systems are frame locked.
G-SYNC DEVICE: A G-Sync Device refers to devices capable of Frame lock/Genlock. This can be a graphics card (Quadro FX 3000G) or a stand alone device (Quadro FX G-Sync). See “Supported Hardware” below.
