OH_OnFrameAvailableListener
typedef struct {...} OH_OnFrameAvailableListener
Overview
Defines an OH_NativeImage listener, which is registered through OH_NativeImage_SetOnFrameAvailableListener. The listener triggers a callback when a frame is available.
Since: 11
Related module: OH_NativeImage
Header file: native_image.h
Summary
Member Variables
| Name | Description |
|---|---|
| void* context | User-defined context information, which is returned when the callback is triggered. |
| OH_OnFrameAvailable onFrameAvailable | Callback function triggered when a frame is available. |
Member Functions
| Name | typedef Keyword | Description |
|---|---|---|
| typedef void (*OH_OnFrameAvailable)(void *context) | OH_OnFrameAvailable() | Callback function triggered when a frame is available. Since: 11 System capability: SystemCapability.Graphic.Graphic2D.NativeImage |
Member Function Description
OH_OnFrameAvailable()
typedef void (*OH_OnFrameAvailable)(void *context)
Item
Callback function triggered when a frame is available.
System capability: SystemCapability.Graphic.Graphic2D.NativeImage
Since: 11
Parameters
| Name | Description |
|---|---|
| void *context | User-defined context information, which is returned when the callback is triggered. |
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