windtalkersm的专栏

在 RaspberryPi系列之三 里提到一种摄像头通信方式是通过用户空间的uv4l。对v4l/v4l2一直想了解一下。在利用RBP建立streaming server 的过程中一开始并不顺利，即使用了uv4l还是接受不到视频。正好借机会深入学习一下网上资料很多，不意外，大同小异。先入个门V4L2编程初体验关于Linux的视频编程(v4l2编程) V4L2编程  （发现

1.  PrefaceOk, if you read my previous thread, you would know I went to bed & left RBP lonely and alone doing the dirty work (compling, linking, building etc)....As some say, 7 hours it is!!!

1. Raspberry Pi camera software一旦安装好Pi摄像头，RBP的开发者们提供了两个简单但强大的命令行工具，用来直接对摄像头获取的图像或视频流进行保存或分流raspivid is a command line application that allows you to capture video with the camera moduleraspist

Remote Motion-Activated Web-Based Surveillance with Raspberry Pisudo apt-get update && sudo apt-get upgradesudo apt-get install motionsudo nano /etc/default/motionChange the ‘start_mot

1. 概述这里集中一些平时收集的摄像头信息。具体内容分类暂时不明确，也就是包罗万象。列表也随时更新2. Streaming URL2.1 Useful linksTechnical information: List of MJPEG and RTSP paths for network cameras2.2 AxisFor all models after

blinkIDBlinkID SDK for AndroidPassportScanner Scan the MRZ code of a passport and extract the firstname, lastname, passport number, nationality, date of birth, expiration date and personal numer.Ex