Datapath Vision Instrukcja Użytkownika Pobierz pdf (Strona 44)

Introduction – VisionSD4+1/SD4+1S

The VisionSD4+1/SD4+1S is an ideal solution for applications that require the capture of up to four SD video

sources and a single Component HD/HDMI/RGB/DVI source simultaneously. Typical applications include:

• Viewing Analog or DVI sources from PCs, MACs, Industrial/medical equipment, cameras and other video

equipment

• Streaming video applications

• Video/Data Wall Controllers

The VisionSD4+1/SD4+1S is a four channel PCI express video capture card. The card supports PAL, NTSC

and SECAM in both composite and S-Video input formats, supports de-interlaced video capture and

displays at 25/30 frames/sec for real-time video windows.

In addition, the VisionSD4+1/SD4+1S is also a single channel PCIe capture card, able to capture:

• Component HD up to 1080P at 60 frames per second

• HDMI up to 1080P ( Audio not supported, HDCP not supported)

• DVI up to 1920 x 1200

• RGB/VGA up to 2048 x 1536

The data is stored in two 32MB frame buers on the card in real time. The data is transferred using PCI bus

master DMA with scatter gather. The data can be transferred to system memory, to o-screen

memory on a Datapath graphics card or via Direct 3D to third party graphics cards.

Windows Media Encoder® may also be used to stream video across a network or save the video to disk. Win-

dows Media Player® can be used to display the stream or the video that has previously been saved.

Hardware Overview

• Four channel SD Video and a single channel RGB/DVI/Component video capture card

• Four Lane PCIe interface with a maximum data rate of 480MB/sec for the VisionSD4+1 and 650MB/sec

for the VisionSD4+1S

• Maximum analog RGB capture resolution of 2048 x 1536 x 24bit

• Maximum DVI capture resolution of 1920 x 1200 x 24bit

• HD modes (HDCP not supported)

• Four SD capture channels for PAL/NTSC, SECAM (composite or S-Video inputs)

• On card processor for real time mode and sync detection

• Support for multiple cards allowing up to 128 SD capture channels and 32 DVI-I capture channels. (32

cards)

• Direct DMA driver software and streaming driver

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