hi_mpi_vi_set_chn_attr
The
The
Description
Sets the attributes of a VI channel.
Restrictions
- This API can be called only after a VI pipe is created by calling hi_mpi_vi_create_pipe.
Prototype
hi_s32 hi_mpi_vi_set_chn_attr(hi_vi_pipe vi_pipe, hi_vi_chn vi_chn, const hi_vi_chn_attr *chn_attr)
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
vi_pipe |
Input |
Pipe ID. Value range: [0, 12) |
vi_chn |
Input |
VI channel ID. Value range: [0, 1) |
chn_attr |
Input |
Pointer to the structure of VI channel attributes. |
Returns
- 0: success
- Other values: failure. For details, see VI Return Codes.
Parent topic: VI