芯片型号: J3 pliot
请问下HB_VP_DmaCopy这个接口怎么使用的，申请一个物理内存，然后拷贝了一张1080p大小的图像后，将对应的虚拟内存的数据写文件发现数据都是0，耗费了大概20ms的时间，其中满足了src跟dst都是连续内存的条件，请问这个函数接口应该怎么使用，麻烦解答一下，感谢！
专栏算法工具链关于J3上如何使用HB_VP_DmaCopy函数的疑惑
关于J3上如何使用HB_VP_DmaCopy函数的疑惑
已解决
红鲤鱼绿鲤鱼与驴2025-12-01
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算法工具链
征程3技术深度解析
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- Huanghui
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Lv.5你好，这个接口不是算法工具链套件内客户侧接口呢，如果时在系统软件中看到的，可以到系统软件板块咨询系统同事的帮助，感谢理解支持。
2025-12-0300