利用DM642采集两路视频,使用DSP/BIOS系统,根据TI例程中的IP503_mpeg2_encoder修改,发现添加VP2通道时(VP2 两路视频输入),添加VP2高位的通道成功,添加VP2低位视频通道时没有视频,单独测试VP1的一个通道及VP2的两个通道,都可以在VP0通道显示。请问该如何添加VP2的低位通道?
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