共用方式為


AVPlayerItemOutputPullDelegate.OutputMediaDataWillChange 方法

定義

在抵達新樣本之前呼叫。

[Foundation.Export("outputMediaDataWillChange:")]
public virtual void OutputMediaDataWillChange (AVFoundation.AVPlayerItemOutput sender);
abstract member OutputMediaDataWillChange : AVFoundation.AVPlayerItemOutput -> unit
override this.OutputMediaDataWillChange : AVFoundation.AVPlayerItemOutput -> unit

參數

屬性

適用於