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mpp编码同一帧图像 可能会出现花屏 #741

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2398tr opened this issue Dec 16, 2024 · 10 comments
Open

mpp编码同一帧图像 可能会出现花屏 #741

2398tr opened this issue Dec 16, 2024 · 10 comments

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@2398tr
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2398tr commented Dec 16, 2024

编码同一个yuv，大概率会出现如下花屏现象
image
@2398tr
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2398tr commented Dec 16, 2024

rk3588s

@HermanChen
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格式配置有问题，输入源 422 / 420 这些配置有问题

@2398tr
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2398tr commented Dec 16, 2024

输入源是对的，我试过编码同一个yuv(同一块内存)，有概率正常，有概率花屏。

@2398tr
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2398tr commented Dec 16, 2024

确保编码期间木任何其他数据写入

@2398tr
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2398tr commented Dec 16, 2024

还有概率使用图片查看，有概率打不开文件（固件是编码损坏）

@2398tr
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2398tr commented Dec 16, 2024

编码h264和h265是正常的

@2398tr
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2398tr commented Dec 16, 2024

获取是
image
这个pe配置错误，只有这里和h264的不一样，这个我应该赋值？

@2398tr
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2398tr commented Dec 17, 2024

找到原因了，編碼mjpeg使用dma_fd就會出現花屏，使用memcpy就正常。編碼h264的使用dma_fd也沒出現花屏的現象

@HermanChen
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dma fd import 进来之后有问题？

@2398tr
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2398tr commented Dec 17, 2024

我没有去看mpp内部怎么去读的，确实是使用dma fd import之后就会出现问题

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@HermanChen @2398tr