hi_mpi_vo_get_video_layer_attr

Product	Supported
Ascend 950PR/Ascend 950DT	☓
Atlas A3 training products/Atlas A3 inference products	☓
Atlas A2 training products/Atlas A2 inference products	☓
Atlas 200I/500 A2 inference products	√
Atlas inference products	☓
Atlas training products	☓

Obtains the attributes of a video layer.

hi_s32 hi_mpi_vo_get_video_layer_attr(hi_vo_layer layer, hi_vo_video_layer_attr *layer_attr)

Parameter	Input/Output	Description
layer	Input	VO layer ID. Value range: [0, 9) Graphics layers and cascade video layers are not supported.
layer_attr	Output	Pointer to the structure of the attributes of a video layer.

Parameter

Input/Output

Description

layer

Input

VO layer ID.

Value range: [0, 9)

Graphics layers and cascade video layers are not supported.

layer_attr

Output

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

You are advised to obtain the attributes of a video layer by calling this API before setting the attributes.
Currently, this API does not support multiple processes.

Parent topic: VO