harmony 鸿蒙VideoProcessing_Callback
VideoProcessing_Callback
Overview
The VideoProcessing_Callback 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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