When everything is an object, nothing is. So, there are a few ways you could parse that, but for the purposes of this article, this is all to say: sometimes it's nice to be able to drop down to the C layer of things. Yes--that non-objective part of o
转自:https://www.linuxtv.org/downloads/legacy/video4linux/API/V4L2_API/spec-single/v4l2.html Video for Linux Two API Specification Revision 2.6.32 Michael H Schimek <mschimek@gmx.at> Bill Dirks Original author of the V4L2 API and documentation.