hi_mpi_hdmi_open

Applicable Products

Function

Enables a specified HDMI.

Prototype

hi_s32 hi_mpi_hdmi_open(hi_hdmi_id hdmi)

Parameters

Returns

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

Restrictions

• Before calling hi_mpi_hdmi_open, you must call hi_mpi_hdmi_init.
• Repeated HDMI enablement returns a success message.
• Currently, this API does not support multiple processes.
• This API must be called in pair with hi_mpi_hdmi_close. Specifically, after hi_mpi_hdmi_open is called, call hi_mpi_hdmi_close to exit. Ensure the values of hi_hdmi_id in the input parameters of the two APIs must be the same.

Reference

For the API call sequence, see Video Decoding, Processing, and Display (NVR Scenario).