DSVideoFrameListener

The DSVideoFrameListener protocol includes methods for monitoring the camera state.

Definition

Assembly: DynamsoftCore.xcframework

• Objective-C
• Swift

1. @protocol DSVideoFrameListener <NSObject>
   

2. protocol VideoFrameListener : NSObjectProtocol
   

Methods

onFrameOutPut

The method for monitoring the output of video frames.

• Objective-C
• Swift

1. - (void)onFrameOutPut:(DSImageData*)frame
           timeStamp:(NSTimeInterval)timeStamp;
   

2. func onFrameOutPut(_ frame: DSImageData, timeStamp: NSTimeInterval)
   

Parameters

frame: The output video frame in an DSImageData object.
timeStamp: The time stamp that the video frame is output.