hi_mpi_vpss_get_chn_fisheye
The
The
Description
Obtains a VPSS physical channel's fisheye attributes that are set by calling hi_mpi_vpss_set_chn_fisheye.
Restrictions
- A VPSS group must have been created. For details, see hi_mpi_vpss_create_grp.
- The attributes must have been set before you call this API.
Prototype
hi_s32 hi_mpi_vpss_get_chn_fisheye(hi_vpss_grp grp, hi_vpss_chn chn, hi_fisheye_correction_attr *correction_attr);
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
grp |
Input |
VPSS group ID. Value range: [0, 264) |
chn |
Input |
VPSS channel ID. Value range: [0, 2) |
correction_attr |
Output |
Pointer to the fisheye attribute structure of a VPSS physical channel. |
Returns
- 0: success
- Other values: failure. For details, see VPSS Return Codes.
Parent topic: VPSS