AVAsynchronousVideoCompositionRequest.SourceFrameByTrackID(Int32) 方法

定义

[Foundation.Export("sourceFrameByTrackID:")]
public virtual CoreVideo.CVPixelBuffer SourceFrameByTrackID (int trackID);
abstract member SourceFrameByTrackID : int -> CoreVideo.CVPixelBuffer
override this.SourceFrameByTrackID : int -> CoreVideo.CVPixelBuffer

参数

trackID
Int32

返回

属性

适用于