openharmony 鸿蒙 capi-videoprocessing-videoprocessing-callback

2026-08-25 浏览 (1)

VideoProcessing_Callback

typedef struct VideoProcessing_Callback VideoProcessing_Callback

Overview

The struct describes a callback object for handling video processing events.

You should define a null pointer for VideoProcessing_Callback and use OH_VideoProcessingCallback_Create to create a callback object. Before creation, ensure that the pointer is null. After creating the callback object, call OH_VideoProcessing_RegisterCallback to register it with the video processing instance.

Since: 12

Related module: VideoProcessing

Header file: video_processing_types.h

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