hi_mpi_vo_set_video_layer_attr

The Atlas 200/300/500 Inference Product does not support this API.

The Atlas Training Series Product does not support this API.

Description

Sets the attributes of a video layer.

Restrictions

  • You can set the attributes of a video layer only when the device bound to the video layer is enabled.
  • You can set the attributes of a video layer (except x and y of display_rect in layer_attr in single mode) only when the video layer is disabled.
  • Currently, this API does not support multiple processes.

Prototype

hi_s32 hi_mpi_vo_set_video_layer_attr(hi_vo_layer layer, const hi_vo_video_layer_attr *layer_attr)

Parameters

Parameter

Input/Output

Description

layer

Input

Video layer ID.

Value range: [0, 9)

Graphics layers and cascade video layers are not supported.

layer_attr

Input

Pointer to the structure of the attributes of a video layer.

Returns