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fix: slider not smooth for audio playback issue

This commit is contained in:
CMK 2021-06-17 18:21:49 +08:00
parent 7e1571a493
commit b52508dd03
2 changed files with 10 additions and 7 deletions
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1
Mastodon/Scene/Share/View/Container/AudioContainerView.swift
View File

@ -52,6 +52,7 @@ final class AudioContainerView: UIView {
let slider: UISlider = { let slider: UISlider = {
let slider = UISlider() let slider = UISlider()
slider.isContinuous = true
slider.translatesAutoresizingMaskIntoConstraints = false slider.translatesAutoresizingMaskIntoConstraints = false
slider.minimumTrackTintColor = Asset.Colors.Slider.bar.color slider.minimumTrackTintColor = Asset.Colors.Slider.bar.color
slider.maximumTrackTintColor = Asset.Colors.Slider.bar.color slider.maximumTrackTintColor = Asset.Colors.Slider.bar.color

16
Mastodon/Scene/Share/ViewModel/AudioContainerViewModel.swift
View File

@ -10,6 +10,7 @@ import Foundation
import UIKit import UIKit
class AudioContainerViewModel { class AudioContainerViewModel {
static func configure( static func configure(
cell: StatusCell, cell: StatusCell,
audioAttachment: Attachment, audioAttachment: Attachment,
@ -36,11 +37,12 @@ class AudioContainerViewModel {
} }
} }
.store(in: &cell.disposeBag) .store(in: &cell.disposeBag)
audioView.slider.maximumValue = Float(duration)
audioView.slider.publisher(for: .valueChanged) audioView.slider.publisher(for: .valueChanged)
.sink { [weak audioService] slider in .sink { [weak audioService] slider in
guard let audioService = audioService else { return } guard let audioService = audioService else { return }
let slider = slider as! UISlider let slider = slider as! UISlider
let time = Double(slider.value) * duration let time = TimeInterval(slider.value)
audioService.seekToTime(time: time) audioService.seekToTime(time: time)
} }
.store(in: &cell.disposeBag) .store(in: &cell.disposeBag)
@ -58,24 +60,24 @@ class AudioContainerViewModel {
let audioView = cell.statusView.audioView let audioView = cell.statusView.audioView
var lastCurrentTimeSubject: TimeInterval? var lastCurrentTimeSubject: TimeInterval?
audioService.currentTimeSubject audioService.currentTimeSubject
.throttle(for: 0.33, scheduler: DispatchQueue.main, latest: true) .throttle(for: 0.008, scheduler: DispatchQueue.main, latest: true)
.compactMap { [weak audioService] time -> (TimeInterval, Float)? in .compactMap { [weak audioService] time -> TimeInterval? in
defer { defer {
lastCurrentTimeSubject = time lastCurrentTimeSubject = time
} }
guard audioAttachment === audioService?.attachment else { return nil } guard audioAttachment === audioService?.attachment else { return nil }
guard let duration = audioAttachment.meta?.original?.duration else { return nil } // guard let duration = audioAttachment.meta?.original?.duration else { return nil }
if let lastCurrentTimeSubject = lastCurrentTimeSubject, time != 0.0 { if let lastCurrentTimeSubject = lastCurrentTimeSubject, time != 0.0 {
guard abs(time - lastCurrentTimeSubject) < 0.5 else { return nil } // debounce guard abs(time - lastCurrentTimeSubject) < 0.5 else { return nil } // debounce
} }
guard !audioView.slider.isTracking else { return nil } guard !audioView.slider.isTracking else { return nil }
return (time, Float(time / duration)) return TimeInterval(time)
} }
.sink(receiveValue: { time, progress in .sink(receiveValue: { time in
audioView.timeLabel.text = time.asString(style: .positional) audioView.timeLabel.text = time.asString(style: .positional)
audioView.slider.setValue(progress, animated: true) audioView.slider.setValue(Float(time), animated: true)
}) })
.store(in: &cell.disposeBag) .store(in: &cell.disposeBag)
audioService.playbackState audioService.playbackState