这是我正在尝试做的事情:

屏幕截图来自6s iPhone。

我一直在AVAudioPlayer中工作,我想绘制一个看起来像第一个屏幕截图的波形。我正在使用FDWAVEFORMVIEW Github吊舱绘制波浪。但是我很困惑如何画同样的波浪。
码:
@IBOutlet weak var soundWaveView: FDWaveformView!
func createSoundWave() {
soundWaveView.delegate = self
soundWaveView.alpha = 0.0
soundWaveView.audioURL = mainTrackURL
soundWaveView.zoomSamples = 0 ..< soundWaveView.totalSamples / 3
soundWaveView.doesAllowScrubbing = true
soundWaveView.doesAllowStretch = true
soundWaveView.doesAllowScroll = true
soundWaveView.wavesColor = .lightGray
soundWaveView.progressColor = UIColor.init(red: 46/255, green: 188/255, blue: 191/255, alpha: 1.0)
}
func waveformViewWillRender(_ waveformView: FDWaveformView) {
startRendering = Date()
}
func waveformViewDidRender(_ waveformView: FDWaveformView) {
endRendering = Date()
NSLog("FDWaveformView rendering done, took %0.3f seconds", endRendering.timeIntervalSince(startRendering))
profileResult.append(String(format: " …Run Code Online (Sandbox Code Playgroud) 这是我想要做的:

屏幕截图来自 6s iPhone。

我一直致力于创建视频 wavefrom,我想绘制一个看起来像第一个屏幕截图的波形。我正在使用VIWaveformView Github pod 来绘制波浪。但我很困惑如何绘制相同的波浪。
代码:
@IBOutlet weak var vWmainWave: VIWaveformView!
override func viewDidLoad() {
super.viewDidLoad()
vWmainWave.waveformNodeViewProvider = BasicWaveFormNodeProvider(generator: { () -> NodePresentation in
let view = VIWaveformNodeView()
view.waveformLayer.strokeColor = UIColor(red:0.86, green:0.35, blue:0.62, alpha:1.00).cgColor
return view
}())
vWmainWave.layoutIfNeeded()
if let url = Bundle.main.url(forResource: "bulletTrain", withExtension: "mp4") {
let asset = AVAsset.init(url: url)
_ = vWmainWave.loadVoice(from: asset, completion: { (asset) in
})
}
}
Run Code Online (Sandbox Code Playgroud)
问题:如何显示与原始图像相同的波浪(第一张截图)?
有人可以向我解释如何绘制相同的,我已经尝试绘制这些波浪,但还没有结果。
任何帮助将不胜感激。
提前致谢。