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dm8168 采集黑边

Other Parts Discussed in Thread: TVP7002

各位专家好:

              有个问题问下专家,采集后遇到黑边问题。我们使用的板是DM8168 EVM.板,采集编码测试用例框图如下: 普通电脑vga(720P)信号-->tvp7002(AD转换成RGB30bite)--->DM8168采集(RGB 888)--->DM8168 编码存文件。 通过播放器看文件,图像右边有1cm的黑边,底下也有1cm灰边。 请问,我们该怎么修改参数,去掉黑边。输入源没有黑边。