本程序实现视频图象的CCIR656转换CCIR601格式,使用的环境是Quartus II 4.0-the program CCIR656 video image conversion CCIR601 format, The environment is the use of Quartus II 4.0

mt335是整合多种信号转换驱动模拟屏的IC-MTV335 provides an integrated solution to convert CCIR601/CCIR656/CCIR1302/24-Bit RGB/18-Bit RGB digital parallel video signals to analog TFT panel interface.

BT601 ITU规格，视频界面数字化规格-BT601 specification

At present, jcsample.c can request context rows only for smoothing. In the future, we might also need context rows for CCIR601 sampling or other more-complex downsampling procedures. The code to support context rows should be compiled only if needed