AVPlayerItemOutputPullDelegate.OutputMediaDataWillChange 方法

定义

在新样本到达之前调用。

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

参数

属性

适用于