AVCaptureVideoDataOutputSampleBufferDelegate.DidOutputSampleBuffer Method
Definition
Important
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Method invoked when a sample buffer has been written on the configured dispatch queue; You must dispose the sampleBuffer before returning.
[Foundation.Export("captureOutput:didOutputSampleBuffer:fromConnection:")]
public virtual void DidOutputSampleBuffer (AVFoundation.AVCaptureOutput captureOutput, CoreMedia.CMSampleBuffer sampleBuffer, AVFoundation.AVCaptureConnection connection);abstract member DidOutputSampleBuffer : AVFoundation.AVCaptureOutput * CoreMedia.CMSampleBuffer * AVFoundation.AVCaptureConnection -> unit
override this.DidOutputSampleBuffer : AVFoundation.AVCaptureOutput * CoreMedia.CMSampleBuffer * AVFoundation.AVCaptureConnection -> unitParameters
- captureOutput
- AVCaptureOutput
The capture output on which the frame was captured.
- sampleBuffer
- CMSampleBuffer
The video frame data, part of a small finite pool of buffers.
- connection
- AVCaptureConnection
The connection on which the video frame was received.
- Attributes
Remarks
Unless you need to keep the buffer for longer, you must call Dispose() on the sampleBuffer before returning. The system has a limited pool of video frames, and once it runs out of those buffers, the system will stop calling this method until the buffers are released.