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Quadro SDI Output PG-03776-001_v06

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10 ADVANCED TOPICS

This chapter outlines the use of some advanced features of the Quadro SDI.

10.1 WORKING WITH TWO VIDEO CHANNELS

The Quadro SDI, in addition to operating in a dual-link configuration, can also be

programmed to output the same video signal or two different video signals on the two

video output jacks.

10.1.1 Dual-Link Operation

The SMPTE standard defines dual-link video data formats. These formats utilize two

video outputs in combination to deliver the complete video signal to the receiving

device. The Quadro SDI software driver automatically recognizes these dual-link video

formats when they are specified by an application and splits the resulting data across the

two video channels. No special programming is required by the application to operate in

this mode.

10.1.2 Two Independent Video Channels

The video outputs of the Quadro SDI can also be configured to output two independent

video data signals. In this operating mode, an application must first configure the

Quadro SDI for dual outputs. To do this, the SDI device should be configured similarly

to the single channel operating mode except for the data format. In this case, the data

format must be set to one of the dual formats as shown in Code Listing 40.

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SDI Technologies iH30 Especificações Página 58