AVAudioPlayerNode.ScheduleBufferAsync 方法

参考

定义

命名空间:: AVFoundation

程序集:: Xamarin.iOS.dll

程序集:: Xamarin.Mac.dll

重要

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重载

ScheduleBufferAsync(AVAudioPcmBuffer)
ScheduleBufferAsync(AVAudioPcmBuffer, AVAudioPlayerNodeCompletionCallbackType)
ScheduleBufferAsync(AVAudioPcmBuffer, AVAudioTime, AVAudioPlayerNodeBufferOptions)	从 `buffer`异步计划播放，返回指示成功或失败的任务。
ScheduleBufferAsync(AVAudioPcmBuffer, AVAudioTime, AVAudioPlayerNodeBufferOptions, AVAudioPlayerNodeCompletionCallbackType)

ScheduleBufferAsync(AVAudioPcmBuffer)

public virtual System.Threading.Tasks.Task ScheduleBufferAsync (AVFoundation.AVAudioPcmBuffer buffer);

abstract member ScheduleBufferAsync : AVFoundation.AVAudioPcmBuffer -> System.Threading.Tasks.Task
override this.ScheduleBufferAsync : AVFoundation.AVAudioPcmBuffer -> System.Threading.Tasks.Task

参数

buffer: AVAudioPcmBuffer

要播放的缓冲区。

Task

表示异步 ScheduleBuffer 操作的任务

适用于

ScheduleBufferAsync(AVAudioPcmBuffer, AVAudioPlayerNodeCompletionCallbackType)

[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.WatchOS, 4, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.TvOS, 11, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.MacOSX, 10, 13, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 11, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual System.Threading.Tasks.Task<AVFoundation.AVAudioPlayerNodeCompletionCallbackType> ScheduleBufferAsync (AVFoundation.AVAudioPcmBuffer buffer, AVFoundation.AVAudioPlayerNodeCompletionCallbackType callbackType);

abstract member ScheduleBufferAsync : AVFoundation.AVAudioPcmBuffer * AVFoundation.AVAudioPlayerNodeCompletionCallbackType -> System.Threading.Tasks.Task<AVFoundation.AVAudioPlayerNodeCompletionCallbackType>
override this.ScheduleBufferAsync : AVFoundation.AVAudioPcmBuffer * AVFoundation.AVAudioPlayerNodeCompletionCallbackType -> System.Threading.Tasks.Task<AVFoundation.AVAudioPlayerNodeCompletionCallbackType>

参数

buffer: AVAudioPcmBuffer

要播放的缓冲区。

callbackType: AVAudioPlayerNodeCompletionCallbackType

何时在播放生命周期中调用回调。

Task<AVAudioPlayerNodeCompletionCallbackType>

属性: IntroducedAttribute

适用于

ScheduleBufferAsync(AVAudioPcmBuffer, AVAudioTime, AVAudioPlayerNodeBufferOptions)

从 buffer异步计划播放，返回指示成功或失败的任务。

public virtual System.Threading.Tasks.Task ScheduleBufferAsync (AVFoundation.AVAudioPcmBuffer buffer, AVFoundation.AVAudioTime when, AVFoundation.AVAudioPlayerNodeBufferOptions options);

abstract member ScheduleBufferAsync : AVFoundation.AVAudioPcmBuffer * AVFoundation.AVAudioTime * AVFoundation.AVAudioPlayerNodeBufferOptions -> System.Threading.Tasks.Task
override this.ScheduleBufferAsync : AVFoundation.AVAudioPcmBuffer * AVFoundation.AVAudioTime * AVFoundation.AVAudioPlayerNodeBufferOptions -> System.Threading.Tasks.Task

参数

buffer: AVAudioPcmBuffer

要播放的缓冲区。

when: AVAudioTime

播放缓冲区的时间。可为 null。

options: AVAudioPlayerNodeBufferOptions

播放选项，例如优先级或是否循环播放。

Task

适用于

ScheduleBufferAsync(AVAudioPcmBuffer, AVAudioTime, AVAudioPlayerNodeBufferOptions, AVAudioPlayerNodeCompletionCallbackType)

[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.WatchOS, 4, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.TvOS, 11, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.MacOSX, 10, 13, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 11, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual System.Threading.Tasks.Task<AVFoundation.AVAudioPlayerNodeCompletionCallbackType> ScheduleBufferAsync (AVFoundation.AVAudioPcmBuffer buffer, AVFoundation.AVAudioTime when, AVFoundation.AVAudioPlayerNodeBufferOptions options, AVFoundation.AVAudioPlayerNodeCompletionCallbackType callbackType);

abstract member ScheduleBufferAsync : AVFoundation.AVAudioPcmBuffer * AVFoundation.AVAudioTime * AVFoundation.AVAudioPlayerNodeBufferOptions * AVFoundation.AVAudioPlayerNodeCompletionCallbackType -> System.Threading.Tasks.Task<AVFoundation.AVAudioPlayerNodeCompletionCallbackType>
override this.ScheduleBufferAsync : AVFoundation.AVAudioPcmBuffer * AVFoundation.AVAudioTime * AVFoundation.AVAudioPlayerNodeBufferOptions * AVFoundation.AVAudioPlayerNodeCompletionCallbackType -> System.Threading.Tasks.Task<AVFoundation.AVAudioPlayerNodeCompletionCallbackType>