Arguments dpy Specifies the display screen on which the Xv Server is to accept requests from Xv clients. Pixmaps are currently not supported. Define the location and size of the destination video region into which the still is to be written.
Description captures a single frame of video from a drawable.
The contents of any region not updated with drawable data is undefined. XvBusy is generated for the drawable. Returned if the Xv extension is unavailable. Generated if the requested port does not exist. Generated if the requested drawable does not exist.