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1. (WO2013113284) METHOD AND SYSTEM FOR PROTECTING COMPUTER VIDEO DEVICE PRIVACY

Pub. No.:    WO/2013/113284    International Application No.:    PCT/CN2013/071213
Publication Date: Fri Aug 09 01:59:59 CEST 2013 International Filing Date: Fri Feb 01 00:59:59 CET 2013
IPC: G06F 21/82
Applicants: BEIJING QIHOO TECHNOLOGY COMPANY LIMITED
北京奇虎科技有限公司
QIZHI SOFTWARE (BEIJING) COMPANY LIMITED
奇智软件(北京)有限公司
Inventors: QIN, Guangyuan
秦光远
FAN, Paul
范纪鍠
Title: METHOD AND SYSTEM FOR PROTECTING COMPUTER VIDEO DEVICE PRIVACY
Abstract:
Provided are a method and system for protecting computer video device privacy. The method comprises: after an application process opens a video device through a physical driver object module in a video stream filter driver and obtains corresponding video stream parameter information, the physical driver object module sending identification information about the application process and video stream parameter information to a monitoring module through a control module in the video stream filter driver (110); the monitoring module sending replacement data and replacement instructions to the physical driver object module through the control module based on the video stream parameter information; and the replacement instructions being used for, when the application process requests video data, replacing the video stream sent by the video device with the replacement data and sending same to the application process based on the replacement instructions (120). The technical solution does not lead to the result that the application process considers that a video device is damaged and cannot access the video device again, and the application process can access the video device again without restart.