Code flow broadcast card and driving method of code flow collection card
A technology of code stream playback and driving method, which is applied in the field of code stream transmission, and can solve problems such as complicated program design, long development cycle, and constraints on driver program development
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[0020] The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0021] The driver program of the present invention includes a code stream player card driver program and a code stream acquisition card driver program, and is a key interface between a computer application program and a hardware code stream player card and a code stream acquisition card. The two drivers adopt the WDM (Windows DriverModel) driver model, with the help of the third-party software package DriverStudio, developed in the Visual C++6.0 environment, with hardware initialization unit, application program and driver program communication unit, data transmission unit and installation document. The above-mentioned units work in coordination to drive the hardware to play and collect streams at high speed.
[0022] The driver program of the present invention cooperates with the operating system to complete hardware initialization, m...
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