hi_mpi_vi_get_pipe_fd
Applicability
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Product |
Supported |
|---|---|
|
Atlas 350 Accelerator Card |
☓ |
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☓ |
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☓ |
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√ |
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☓ |
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☓ |
Function Description
Obtains the file handle corresponding to a VI pipe. The file handle can be used to wait for an available pipe output in select or epoll mode.
Prototype
hi_s32 hi_mpi_vi_get_pipe_fd(hi_vi_pipe vi_pipe)
Parameters
|
Parameter |
Input/Output |
Description |
|---|---|---|
|
vi_pipe |
Input |
Pipe ID. Value range: [0, 12) |
Returns
If the value is greater than or equal to 0, the API is successfully called and the corresponding handle is returned. Otherwise, the API fails to be called.