hi_mpi_vi_get_pipe_fd
Applicability
|
Product |
Supported |
|---|---|
|
|
x |
|
|
x |
|
|
√ |
|
|
x |
|
|
x |
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.