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OH_VideoProcessingCallback_BindOnState

ohos_video_processing_engine_sys::video_processing

Function OH_VideoProcessingCallback_BindOnState 

Source 
pub unsafe extern "C" fn OH_VideoProcessingCallback_BindOnState(
    callback: *mut VideoProcessing_Callback,
    onState: OH_VideoProcessingCallback_OnState,
) -> VideoProcessing_ErrorCode
Available on crate features api-12 and video-processing only.
Expand description

Bind the OH_VideoProcessingCallback_OnState callback function to callback object.

§Arguments

  • callback - A callback object pointer.

  • onState - The callback function.

§Returns

  • [VIDEO_PROCESSING_SUCCESS] if the function is bound to callback object successfully.

[VIDEO_PROCESSING_ERROR_INVALID_PARAMETER] if the callback is null or onState is null.

Available since API-level: 12