AR# 43582

LogiCORE IP Video Scaler v3.0, v4.0 - Why are the last few lines of my output video frame missing when upscaling?

描述

Why are the last few lines of my output video frame missing when upscaling?

解决方案

This can happen if you use the wrong formula for calculation the Horizontal Shrink Factor (HSF) and Vertical Shrink Factor (VSF).

Note: In the CORE Generator GUI, these values are incorrectly called the Horizontal Scaler Factor and Vertical Scale Factor.

There are are two different formulas in the User Guide, the correct one is as follows:

  • HSF = 2^20* (input width / output width)
  • VSF = 2^20*(input lines / output lines)

Please see (Xilinx Answer 31958) for a detailed list of LogiCORE IP Video Scaler Release Notes and Known Issues.

链接问答记录

主要问答记录

Answer Number 问答标题 问题版本 已解决问题的版本
31958 LogiCORE IP Video Scaler - Release Notes and Known Issues N/A N/A
AR# 43582
日期 12/15/2012
状态 Archive
Type 综合文章
IP