我有一个使用TVP5146M2解码器的项目,我遇到了一个问题,或者我似乎不能完全理解为什么看到我看到的内容。
开机后我的初始化顺序:
写入00以注册02 (设置视频标准=自动)
写入00到寄存器08 (亮度处理,捕获滤波器)
写入04以注册0E (镀铬滤清器)
写入43到寄存器33 (10位4:2:2输出格式)
写入11到寄存器34 (启用YCbCr输出和时钟输出)
写入AF至寄存器36 (启用HS和VS输出)
之后,我可以接收60帧/秒的图像数据 图像数据噪音很大(请参阅图片),但与真实屏幕内容有一定的关联。 
状态1寄存器(3A)的内容不断变化,典型值=13,1B,11,71。
这意味着我们有时会进行水平同步,但我认为我们从未进行过垂直同步。
输入视频为NTSC,水平扫描频率为15.700 kHz,280x192分辨率。 我无法预见此问题,除了图像偏离中心外。
状态2寄存器(3B)的内容始终为20=信号不弱,没有颜色标记,没有Macrovision。
视频标准状态寄存器(3F)的内容为81 =自动检测模式为(M,J) NTSC。
从00到DF注册内容:
00 0F 00 00 23 10 00 00 00 80 80 00 04 00
80 80 80 80 80 80 80 55 00 25 03 00 40 00 04 00
07 00 01 00 15 00 00 00 00 CC 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 05 00 43 11 FF AF FF 00 13 20 55 06 0A 81
00 18 0D 02 00 00 20 20 20 20 00 09 00 09 00 09
00 09 00 00 1F 1F 64 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
03 00 00 19 00 12 8A 64 06 1E 40 00 00 00 00 00 00 00
51 46 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 00 00
00 00 1E 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 06 1B FF 00 FF 00 00 00 00 00 00
是否有人可以评论我应该检查的任何内容,我需要处理的其他注册表,或者我的问题可能是什么? 提前感谢您的帮助。
亨利