harmony 鸿蒙PreviewOutput_Callbacks
PreviewOutput_Callbacks
Overview
The PreviewOutput_Callbacks struct describes the callbacks related to preview output.
For details, see OH_PreviewOutput_RegisterCallback.
Since: 11
Related module: OH_Camera
Header file: preview_output.h
Summary
Member Variables
| Name | Description |
|---|---|
| OH_PreviewOutput_OnFrameStart onFrameStart | Callback to report preview output frame start events. |
| OH_PreviewOutput_OnFrameEnd onFrameEnd | Callback to report preview output frame end events. |
| OH_PreviewOutput_OnError onError | Callback to report preview output errors. |
Member Variable Description
onError
OH_PreviewOutput_OnError PreviewOutput_Callbacks::onError
Description
Callback to report preview output errors.
onFrameEnd
OH_PreviewOutput_OnFrameEnd PreviewOutput_Callbacks::onFrameEnd
Description
Callback to report preview output frame end events.
onFrameStart
OH_PreviewOutput_OnFrameStart PreviewOutput_Callbacks::onFrameStart
Description
Callback to report preview output frame start events.
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