AVAudioEngine和AVAudioPlayerNode:未在iOS命令中心正确更新播放/暂停
我读过 我尝试了AVAudioEngine和AVAudioPlayerNode:未在iOS命令中心正确更新播放/暂停,ios,avaudioengine,remote-control,Ios,Avaudioengine,Remote Control,我读过 我尝试了mpnowplayingfopropertyLappedBlaybackTime,mpnowplayingfopropertyDefaultPlaybackRate和mpnowPlayingfopropertyPlaybackRate 我已经更新了 苹果演示可以在iOS命令中心使用AVPlayer 这里是使用AVAudioEngine和AVAudioPlayerNode,AVAudioPlayerNode通过scheduleBuffer播放音频 以下是相关的iOS指挥中心代码:
mpnowplayingfopropertyLappedBlaybackTime
,mpnowplayingfopropertyDefaultPlaybackRate
和mpnowPlayingfopropertyPlaybackRate
我已经更新了
苹果演示可以在iOS命令中心使用AVPlayer
这里是使用AVAudioEngine
和AVAudioPlayerNode
,AVAudioPlayerNode
通过scheduleBuffer
播放音频
以下是相关的iOS指挥中心代码:
func show(mediaInfo time: TimeInterval){
let artistName = "test"
guard let duration = length else {
return
}
var isPlaying: Double = 0
var pInfo: [String: Any] = [MPMediaItemPropertyArtist : artistName,
MPMediaItemPropertyTitle : artistName ]
if let img = UIImage(systemName: "music.note.list"){
let artwork = MPMediaItemArtwork(boundsSize: img.size, requestHandler: { (_) -> UIImage in
return img
})
pInfo[MPMediaItemPropertyArtwork] = artwork
}
if streamer.state == .playing{
isPlaying = 1
pInfo[MPNowPlayingInfoPropertyElapsedPlaybackTime] = time
pInfo[MPMediaItemPropertyPlaybackDuration] = duration
}
pInfo[MPMediaItemPropertyPersistentID] = artistName
pInfo[MPNowPlayingInfoPropertyPlaybackRate] = NSNumber(floatLiteral: isPlaying)
pInfo[MPNowPlayingInfoPropertyDefaultPlaybackRate] = NSNumber(floatLiteral: isPlaying)
pInfo[MPNowPlayingInfoPropertyMediaType] = NSNumber(value: MPNowPlayingInfoMediaType.audio.rawValue)
MPNowPlayingInfoCenter.default().nowPlayingInfo = pInfo
}
这是
相应的音频会话:
func setupAudioSession() {
let session = AVAudioSession.sharedInstance()
do {
try session.setCategory(.playback, mode: .default, policy: .default, options: [.allowBluetoothA2DP,.defaultToSpeaker])
try session.setActive(true)
} catch {
os_log("Failed to activate audio session: %@", log: ViewController.logger, type: .default, #function, #line, error.localizedDescription)
}
}
也试过
let audioSession = AVAudioSession.sharedInstance()
do {
try audioSession.setCategory(AVAudioSession.Category.playAndRecord, options: AVAudioSession.CategoryOptions.defaultToSpeaker)
audioSession.requestRecordPermission({ (isGranted: Bool) in
})
} catch {}
要在command center中显示元数据,您需要有一个活动的不可混合音频会话类别,并且当前还需要生成音频。您能显示您的音频会话配置吗?已更新。您可以尝试使用github代码,如果方便的话,可以在命令中心显示元数据。您需要有一个活动的不可混合音频会话类别,并且当前还需要生成音频。您能显示您的音频会话配置吗?已更新。如果方便的话,您可以尝试github代码