hi_mpi_rgn_set_display_attr
The
The
Description
Set the channel display attributes of a region.
Restrictions
- The regions must be created before you call this API.
- You are advised to obtain the attributes before setting them.
- Call hi_mpi_rgn_attach_to_chn to overlay a region on a channel first.
Prototype
hi_s32 hi_mpi_rgn_set_display_attr(hi_rgn_handle handle, const hi_mpp_chn *chn, const hi_rgn_chn_attr *chn_attr)
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
handle |
Input |
Region handle ID. Value range: [0, 1024) |
chn |
Input |
Pointer to the channel structure. This parameter cannot be empty. For details about how to set this parameter, see Table 2. |
chn_attr |
Input |
Pointer to the channel display attributes of a region. This parameter cannot be null. Static attributes cannot be modified, but dynamic attributes can be modified. |
Returns
- 0: success.
- Other values: failure. For details, see Region Management Return Codes.
Parent topic: Region Management