adv7123是常用的视频解码器，常常可用fpga编程控制，使其输出ntsc、pal制式，或者vga显示，这里面全是关于这方面的论文，很值得借鉴参考。(Adv7123 is a commonly used video decoder. It can often be controlled by FPGA programming, so that it can output NTSC, PAL format or VGA display, which is all about the papers