harmony 鸿蒙native_display_soloist.h

native_display_soloist.h

The native_display_soloist.h file declares the functions for obtaining and using native display soloist.

File to include: <native_display_soloist/native_display_soloist.h>

System capability: SystemCapability.Graphic.Graphic2D.HyperGraphicManager

Library: libnative_display_soloist.so

Since: 12

Related module: NativeDisplaySoloist

Name	Description
struct  DisplaySoloist_ExpectedRateRange	Describes the expected frame rate range.

Name	Description
typedef struct OH_DisplaySoloist OH_DisplaySoloist	Provides the declaration of an OH_DisplaySoloist struct.
typedef void(* OH_DisplaySoloist_FrameCallback) (long long timestamp, long long targetTimestamp, void *data)	Defines the pointer to an OH_DisplaySoloist callback function.
typedef struct DisplaySoloist_ExpectedRateRange DisplaySoloist_ExpectedRateRange	Defines a struct for the expected frame rate range.

Name	Description
OH_DisplaySoloist * OH_DisplaySoloist_Create (bool useExclusiveThread)	Creates an OH_DisplaySoloist instance. A new OH_DisplaySoloist instance is created each time this API is called.
int32_t OH_DisplaySoloist_Destroy (OH_DisplaySoloist *displaySoloist)	Destroys an OH_DisplaySoloist object and reclaims the memory occupied.
int32_t OH_DisplaySoloist_Start (OH_DisplaySoloist displaySoloist, OH_DisplaySoloist_FrameCallback callback, void data)	Sets a callback function for each frame. The callback function is triggered each time a VSync signal arrives.
int32_t OH_DisplaySoloist_Stop (OH_DisplaySoloist *displaySoloist)	Stops requesting the next VSync signal and triggering the callback function.
int32_t OH_DisplaySoloist_SetExpectedFrameRateRange (OH_DisplaySoloist displaySoloist, DisplaySoloist_ExpectedRateRange range)	Sets the expected frame rate range.