hi_mpi_vi_enable_dev

Applicability

Function Description

Enables a VI device.

Prototype

hi_s32 hi_mpi_vi_enable_dev(hi_vi_dev vi_dev)

Parameters

Returns

• 0: success
• Other values: failure. For details, see VI Return Codes.

Restrictions

• Before enabling a VI device, set the device attributes by calling hi_mpi_vi_set_dev_attr. Otherwise, an error code indicating failure is returned.
• A VI device can be enabled repeatedly and no error code indicating failure will be returned.

See Also

For details about the API call sequence, see Video Data Obtaining.