USB cam drive settling scheme on Mac OS X operating system

A technology of a camera and a driving method, which is applied in parts, image communication, program loading/starting of the TV system, etc., and can solve problems such as slow loading of video programs and high system overhead
CN101344869AInactive Publication Date: 2009-01-14VIMICRO CORP
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
VIMICRO CORP
Publication Date
2009-01-14
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a USB camera system and a method thereof. The system comprises a camera driver which comprises two parts, namely, an assembly responsible for processing video streams, and a kernel expansion module responsible for controlling a USB camera device and acquiring the data of the video stream, wherein, a first application program can acquire the video stream from the kernel expansion module by the assembly. The system and the method solve the problems of comparatively slow loading of video programs, and comparatively high system overhead and so on, thereby greatly improving the expansibility.
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Description

Technical field

[0001] The invention relates to a USB camera driving scheme, in particular to a USB camera driving scheme on a Mac OS X operating system. Background technique

[0002] On the Mac OS X operating system, the existing USB camera driver mostly uses a single-component solution. The problems that this solution brings are slow application startup speed, high system overhead, and low scalability. figure 1 It is a structural diagram of a prior art USB camera system. in figure 1 In Mac OS X, the single-component USB camera driver is only loaded when the user needs to start the video application, and is uninstalled when the video application is exited. Then, it has to take a long time to call repeatedly at startup. For another example, this single-component solution cannot provide interfaces and methods so that other applications can access the USB camera at the same time. Summary of the invention

[0003] The purpose of the present invention is to solve the problems of s...

Claims

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