talksik/nirvana-ios
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nice fixing things by doing things in background thread...good concept for future use

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talksik
2022-01-03 02:08:02 -08:00
parent 966271cc03
commit 162bf83ec7
1 changed files with 16 additions and 22 deletions
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nirvana-ios/Views/InnerCircle/InnerCircleViewModel.swift
+16 -22
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@@ -75,7 +75,8 @@ class InnerCircleViewModel: NSObject, ObservableObject {
@Published var isRecording : Bool = false
@Published var messagesListeningProgress: Float = 0.0
@Published var messagesListeningProgress: Float = 1.0
static let multiplier: Float64 = 0.05
let audioSession = AVAudioSession.sharedInstance()
@@ -250,22 +251,17 @@ extension InnerCircleViewModel {
self.queuePlayer.removeAllItems()
}
// TODO: print statements slowing it down?
func playAssets(audioUrls: [URL]) {
// clearing the player to make room for this friend's convo or to deselect this user
self.stopPlayingAnyAudio()
var totalMessagesDurationSeconds = CMTime.zero
var AVPlayerItems: [AVPlayerItem] = []
for url in audioUrls {
let asset = AVAsset(url: url)
let playerItem = AVPlayerItem(asset: asset)
totalMessagesDurationSeconds = CMTimeAdd(totalMessagesDurationSeconds, asset.duration)
// notification for when each playeritem is done playing
// NotificationCenter.default.addObserver(self, selector: #selector(self.playerDidFinishPlaying(sender:)), name: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: playerItem)
AVPlayerItems.append(playerItem)
}
@@ -276,38 +272,36 @@ extension InnerCircleViewModel {
}
// start playing if there are messages to listen to
print("have \(AVPlayerItems.count) messages and \(totalMessagesDurationSeconds) seconds to play")
print("have \(AVPlayerItems.count) messages to play")
// reverse the items because we want to listen to the most recent messages in order
AVPlayerItems = AVPlayerItems.reversed()
// TODO: make sure these options are viable for different scenarios
self.queuePlayer = AVQueuePlayer(items: AVPlayerItems)
self.queuePlayer.automaticallyWaitsToMinimizeStalling = false
self.queuePlayer.playImmediately(atRate: 1)
// queuePlayer.play()
self.queuePlayer.play()
print("player queued up items!!!")
self.addBoundaryTimeObserver(totalDuration: totalMessagesDurationSeconds)
// TODO: right now not updating all of that
// update the listencount and firstlistentimestamp of those messages in firestore
// this should update ui to show that there is no message to show
// reset progress
self.messagesListeningProgress = Float(Self.multiplier * 2)
DispatchQueue.global(qos: .background).async {
self.addBoundaryTimeObserver(playerItems: AVPlayerItems)
}
}
func addBoundaryTimeObserver(totalDuration: CMTime) {
var multiplier: Float64 = 0.05
// reset progress
self.messagesListeningProgress = Float(multiplier * 2)
func addBoundaryTimeObserver(playerItems: [AVPlayerItem]) {
var totalDuration = CMTime.zero
for item in playerItems {
totalDuration = CMTimeAdd(totalDuration, item.asset.duration)
}
var times = [NSValue]()
// Set initial time to zero
var currentTime = CMTime.zero
// Divide the asset's duration into quarters.
let interval = CMTimeMultiplyByFloat64(totalDuration, multiplier: multiplier)
let interval = CMTimeMultiplyByFloat64(totalDuration, multiplier: Self.multiplier)
// Build boundary times based on multiplier
while currentTime <= totalDuration {
@@ -321,7 +315,7 @@ extension InnerCircleViewModel {
// TODO: not hitting the last one/100%
self.queuePlayer.addBoundaryTimeObserver(forTimes: times, queue: .main) { [weak self] in
// Update UI
self?.messagesListeningProgress += Float(multiplier)
self?.messagesListeningProgress += Float(Self.multiplier)
}
}