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VAC2000 - Multi channel video annotation / overlay controller


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The VAC2000 is a real time NTSC/PAL video overlay and video annotation controller for the PC/104-Plus (pc104+) bus.

The VAC2000 integrates on a single PC/104-Plus card, a high-resolution graphics accelerator, digital NTSC/PAL TV decoder, digital NTSC/PAL TV encoder and video overlay controller. The VAC2000 accepts up to four composite (or two s-video) NTSC or PAL analog video inputs from a variety of sources including video cameras, digital video recording equipment or regular TV broadcasts. It can mix either video and graphics data or, mix two separate video channels, and provide output to drive a VGA monitor, TV monitor (as composite video or S-Video) or TMDS flat panel display. The VAC2000 Video Annotation Controller features multi-format alpha blending hardware allowing graphics/video and video/video to be alpha-blended over a number of gradations from transparent to fully opaque. The VAC2000 is suited to a wide range of applications which require annotation of live video streams with information such as titles, dynamic grids or visible watermarking. The combined annotated information may then be displayed and/or fed into an MPEG-4 encoder for compression and recording applications.

The VAC2000 board uses a high performance 64 bit 2D graphics accelerator and 8Mbytes frame buffer to provide fast video graphics processing to enable high speed re-sizing of alpha blended images.

 

Highlights

  • Multi channel video annotation / overlay controller
  • Four composite or two s-video input channels per board with VGA / TV or flat panel output
  • Alpha blending - 256 levels of per pixel blending or, by defined rectangular region
  • 2D 64 bit graphics accelerator with 8Mbyte frame buffer
  • Comprehensive SDK for Windows 2000/XP/XP-Embedded, Linux and QNX (to save you time)
  • Industry standard MMCX connectors for video input / output signals
  • Low power rugged PC/104-Plus form factor
  • PC/104-Plus 3.3v Add-in module
  • Operating temperature: 0°C to +60°C or -40°C to +85°C

Software Development Kit (SDK)

The VAC2000 is supported by a comprehensive SDK which provides a high level API to configure and control the embedded video hardware (via more than 500 internal registers). The VAC2000 SDK is available for a one-time fee and helps bridge the gap between the TV and computer display technologies and saves a significant amount of development time.

The SDK consists of support libraries and drivers as well as an extensive range of example applications (including source code). These examples show how the SDK can be utilized to harness the power of the VAC2000 in complex video/graphic applications.

Example Video Overlay Modes

Bus Interface

  • 32-bit PC/104plus bus
  • Linear mapped Graphics/Annotation frame buffer in memory space

Analog Video Inputs-A

  • 2 input PAL/NTSC software selectable multiplexer
  • Digital Line video technology for reliable locking to any video source
  • Maximum 2 Composite inputs
  • Maximum 1 S-Video inputs
  • Dual flash Analog-to-Digital converters

Analog Video Inputs-B

  • 2 input PAL/NTSC software selectable multiplexer
  • Digital Line video technology for reliable locking to any video source
  • Maximum 2 Composite inputs
  • Maximum 1 S-Video inputs
  • Dual flash Analog-to-Digital converters

Video Input Formats

  • NTSC-M, NTSC-Japan
  • PAL-B, PAL-D, PAL-G, PAL-H, PAL-I, PAL-M, PAL-N
  • SECAM

Video Input Adjustments

  • Contrast (or luma gain) adjustable from 0 - 200% of original value
  • Saturation (or chroma gain) adjustable from 0 - 200% of original value
  • Brightness (or luma level) can be adjusted from 0 - 255 steps

Annotation Graphics

  • 1024 Kbytes annotation buffer (dependent upon display resolution)
  • 720 x 480 (NTSC) or 720 x 576 (PAL) by 16 bits per pixel
  • 5-6-5 internal RGB coding
  • 256-level alpha-blending from transparent to full overlay

VGA Output

  • High performance 2-D 64-bit graphics display accelerator with 8MBytes display buffer
  • 640 x 480, 800 x 600, 1024 x 768 resolution as well as
  • 720 x 480 (NTSC) and 720 x 576 (PAL)

Video output

  • PAL/NTSC composite output (input preview)
  • PAL/NTSC composite output (annotated)
  • PAL/NTSC S-Video output (annotated)

Miscellaneous

  • Single +5V at less than 1.15A
  • Operating temp 0°C to 60°C or -40°C to +85°C (ext temp option)
  • Standard 3.6 x 3.8in PC/104plus form factor

Software Drivers

  • Comprehensive Video Overlay and Annotation SDK for Windows 2000/XP/XP-E, Linux, QNX
  • Multi channel video annotation/overlay controller6
 

The following order codes can be used when ordering the VAC2000

The VAC2000 purchasing options are defined by:

VAC2000 - Video Annotation Controller (0 to 60°C)
VAC2000-EXT - Video Annotation Controller (-40 to +85°C)
Cable-VAC2K - Cable kit including VGA cable and x3 MMCX to BNC cables
Cable-VAC2K-Aux - Additional MMCX to BNC cable

The VAC2000 SDK can be ordered using the following part codes.

VACSDK-Windows - VAC2000 SDK for Windows2000/XP & XP-Embedded
VACSDK-Linux - VAC2000 SDK for Linux

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