Code flow broadcast card and driving method of code flow collection card
A code stream playback and driving method technology, applied in the field of code stream transmission, can solve problems such as restricting driver program development, complicated program design, and long development cycle
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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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