Media (Intel® Video Processing Library, Intel Media SDK)
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The Intel Media SDK project is no longer active. For continued support and access to new features, Intel Media SDK users are encouraged to read the transition guide on upgrading from Intel® Media SDK to Intel® Video Processing Library (VPL), and to move to VPL as soon as possible.
For more information, see the VPL website.
3075 Discussions

How to transfer data from a capture card driver directly to an Intel integrated GPU by DMA?

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Beginner
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Hi, We have an Intel integrated graphics HD4600, Now we are developing a capture card, How can we transfer data from a capture card driver directly to an Intel integrated GPU by DMA? Out application use D3d9, Is there any api for DMA with capture card driver in d3d9? Thanks a lot!
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Jiandong_Z_Intel
Employee
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Hi There,

You can use D3DFrameAllocator::LockFrame function implemented in Intel Media Samples <version>\sample_common\src\d3d_allocator.cpp to got GPU surface data pointers, Then write or read the data via the pointers by CPU.   

Thanks

Zachary

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