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feat: add compress progress display. Set video compress config to 720p at 60 fps

This commit is contained in:
CMK 2022-11-11 21:28:19 +08:00
parent 0100d8cbab
commit f7d0186bf3
8 changed files with 166 additions and 44 deletions
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9
Mastodon.xcworkspace/xcshareddata/swiftpm/Package.resolved
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@ -90,6 +90,15 @@
"version" : "2.2.5"
}
},
{
"identity" : "nextlevelsessionexporter",
"kind" : "remoteSourceControl",
"location" : "https://github.com/NextLevel/NextLevelSessionExporter.git",
"state" : {
"revision" : "b6c0cce1aa37fe1547d694f958fac3c3524b74da",
"version" : "0.4.6"
}
},
{
"identity" : "nuke",
"kind" : "remoteSourceControl",

2
MastodonSDK/Package.swift
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@ -49,6 +49,7 @@ let package = Package(
.package(url: "https://github.com/SDWebImage/SDWebImage.git", from: "5.12.0"),
.package(url: "https://github.com/eneko/Stripes.git", from: "0.2.0"),
.package(url: "https://github.com/onevcat/Kingfisher.git", from: "7.4.1"),
.package(url: "https://github.com/NextLevel/NextLevelSessionExporter.git", from: "0.4.6"),
],
targets: [
// Targets are the basic building blocks of a package. A target can define a module or a test suite.
@ -124,6 +125,7 @@ let package = Package(
.product(name: "PanModal", package: "PanModal"),
.product(name: "Stripes", package: "Stripes"),
.product(name: "Kingfisher", package: "Kingfisher"),
.product(name: "NextLevelSessionExporter", package: "NextLevelSessionExporter"),
]
),
.testTarget(

4
MastodonSDK/Sources/MastodonSDK/Query/SerialStream.swift
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@ -82,6 +82,10 @@ final class SerialStream: NSObject {
self.progress.completedUnitCount += Int64(writeResult)
self.logger.log(level: .debug, "\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): estimate progress: \(self.progress.completedUnitCount)/\(self.progress.totalUnitCount)")
if writeResult == -1 {
break
}
}
}

46
MastodonSDK/Sources/MastodonUI/Scene/ComposeContent/Attachment/AttachmentView.swift
View File

@ -48,7 +48,7 @@ public struct AttachmentView: View {
// loaded
// uploading… or upload failed
// could retry upload when error emit
if viewModel.output != nil {
if viewModel.output != nil, viewModel.uploadState != .finish {
VisualEffectView(effect: blurEffect)
VStack {
let action: AttachmentViewModel.Action = {
@ -74,8 +74,18 @@ public struct AttachmentView: View {
.padding()
.background(Color(Asset.Scene.Compose.Attachment.indicatorButtonBackground.color))
.overlay(
CircleProgressView(progress: viewModel.fractionCompleted)
.animation(.default, value: viewModel.fractionCompleted)
Group {
switch viewModel.uploadState {
case .compressing:
CircleProgressView(progress: viewModel.videoCompressProgress)
.animation(.default, value: viewModel.videoCompressProgress)
case .uploading:
CircleProgressView(progress: viewModel.fractionCompleted)
.animation(.default, value: viewModel.fractionCompleted)
default:
EmptyView()
}
}
)
.clipShape(Circle())
.padding()
@ -84,11 +94,20 @@ public struct AttachmentView: View {
let title: String = {
switch action {
case .remove:
let totalSizeInByte = viewModel.outputSizeInByte
let uploadSizeInByte = Double(totalSizeInByte) * min(1.0, viewModel.fractionCompleted)
let total = viewModel.byteCountFormatter.string(fromByteCount: Int64(totalSizeInByte))
let upload = viewModel.byteCountFormatter.string(fromByteCount: Int64(uploadSizeInByte))
return "\(upload) / \(total)"
switch viewModel.uploadState {
case .compressing:
return "Comporessing..." // TODO: i18n
default:
if viewModel.fractionCompleted < 0.9 {
let totalSizeInByte = viewModel.outputSizeInByte
let uploadSizeInByte = Double(totalSizeInByte) * min(1.0, viewModel.fractionCompleted + 0.1) // 9:1
let total = viewModel.byteCountFormatter.string(fromByteCount: Int64(totalSizeInByte))
let upload = viewModel.byteCountFormatter.string(fromByteCount: Int64(uploadSizeInByte))
return "\(upload) / \(total)"
} else {
return "Server Processing..." // TODO: i18n
}
}
case .retry:
return "Upload Failed" // TODO: i18n
}
@ -97,7 +116,13 @@ public struct AttachmentView: View {
switch action {
case .remove:
if viewModel.progress.fractionCompleted < 1, viewModel.uploadState == .uploading {
return viewModel.remainTimeLocalizedString ?? ""
if viewModel.progress.fractionCompleted < 0.9 {
return viewModel.remainTimeLocalizedString ?? ""
} else {
return ""
}
} else if viewModel.videoCompressProgress < 1, viewModel.uploadState == .compressing {
return viewModel.percentageFormatter.string(from: NSNumber(floatLiteral: viewModel.videoCompressProgress)) ?? ""
} else {
return ""
}
@ -113,6 +138,9 @@ public struct AttachmentView: View {
.font(.system(size: 12, weight: .regular))
.foregroundColor(.white)
.padding(.horizontal)
.lineLimit(nil)
.multilineTextAlignment(.center)
.frame(maxWidth: 240)
}
}
} // end ZStack

86
MastodonSDK/Sources/MastodonUI/Scene/ComposeContent/Attachment/AttachmentViewModel+Compress.swift
View File

@ -5,29 +5,81 @@
// Created by MainasuK on 2022/11/11.
//
import os.log
import UIKit
import AVKit
import SessionExporter
import MastodonCore
extension AttachmentViewModel {
func comporessVideo(url: URL) async throws -> URL {
let task = Task { () -> URL in
let urlAsset = AVURLAsset(url: url)
guard let exportSession = AVAssetExportSession(asset: urlAsset, presetName: AVAssetExportPresetMediumQuality) else {
throw AttachmentError.invalidAttachmentType
}
let outputURL = try FileManager.default.createTemporaryFileURL(
filename: UUID().uuidString,
pathExtension: url.pathExtension
)
exportSession.outputURL = outputURL
exportSession.outputFileType = AVFileType.mp4
exportSession.shouldOptimizeForNetworkUse = true
await exportSession.export()
return outputURL
let urlAsset = AVURLAsset(url: url)
let exporter = NextLevelSessionExporter(withAsset: urlAsset)
exporter.outputFileType = .mp4
let outputURL = try FileManager.default.createTemporaryFileURL(
filename: UUID().uuidString,
pathExtension: url.pathExtension
)
exporter.outputURL = outputURL
let compressionDict: [String: Any] = [
AVVideoAverageBitRateKey: NSNumber(integerLiteral: 3000000), // 3000k
AVVideoProfileLevelKey: AVVideoProfileLevelH264HighAutoLevel as String,
AVVideoAverageNonDroppableFrameRateKey: NSNumber(floatLiteral: 30), // 30 FPS
]
exporter.videoOutputConfiguration = [
AVVideoCodecKey: AVVideoCodecType.h264,
AVVideoWidthKey: NSNumber(integerLiteral: 1280),
AVVideoHeightKey: NSNumber(integerLiteral: 720),
AVVideoScalingModeKey: AVVideoScalingModeResizeAspectFill,
AVVideoCompressionPropertiesKey: compressionDict
]
exporter.audioOutputConfiguration = [
AVFormatIDKey: kAudioFormatMPEG4AAC,
AVEncoderBitRateKey: NSNumber(integerLiteral: 128000), // 128k
AVNumberOfChannelsKey: NSNumber(integerLiteral: 2),
AVSampleRateKey: NSNumber(value: Float(44100))
]
// needs set to LOW priority to prevent priority inverse issue
let task = Task(priority: .utility) {
_ = try await exportVideo(by: exporter)
}
_ = try await task.value
self.compressVideoTask = task
return try await task.value
return outputURL
}
private func exportVideo(by exporter: NextLevelSessionExporter) async throws -> URL {
guard let outputURL = exporter.outputURL else {
throw AppError.badRequest
}
return try await withCheckedThrowingContinuation { continuation in
exporter.export(progressHandler: { progress in
DispatchQueue.main.async { [weak self] in
guard let self = self else { return }
self.videoCompressProgress = Double(progress)
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: export progress: %.2f", ((#file as NSString).lastPathComponent), #line, #function, progress)
}
}, completionHandler: { result in
switch result {
case .success(let status):
switch status {
case .completed:
print("NextLevelSessionExporter, export completed, \(exporter.outputURL?.description ?? "")")
continuation.resume(with: .success(outputURL))
default:
if Task.isCancelled {
exporter.cancelExport()
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: cancel export", ((#file as NSString).lastPathComponent), #line, #function)
}
print("NextLevelSessionExporter, did not complete")
}
case .failure(let error):
continuation.resume(with: .failure(error))
}
})
}
} // end func
}

1
MastodonSDK/Sources/MastodonUI/Scene/ComposeContent/Attachment/AttachmentViewModel+Upload.swift
View File

@ -55,6 +55,7 @@ extension Data {
extension AttachmentViewModel {
public enum UploadState {
case none
case compressing
case ready
case uploading
case fail

60
MastodonSDK/Sources/MastodonUI/Scene/ComposeContent/Attachment/AttachmentViewModel.swift
View File

@ -11,6 +11,7 @@ import Combine
import PhotosUI
import Kingfisher
import MastodonCore
import func QuartzCore.CACurrentMediaTime
public protocol AttachmentViewModelDelegate: AnyObject {
func attachmentViewModel(_ viewModel: AttachmentViewModel, uploadStateValueDidChange state: AttachmentViewModel.UploadState)
@ -35,6 +36,12 @@ final public class AttachmentViewModel: NSObject, ObservableObject, Identifiable
formatter.countStyle = .memory
return formatter
}()
let percentageFormatter: NumberFormatter = {
let formatter = NumberFormatter()
formatter.numberStyle = .percent
return formatter
}()
// input
public let api: APIService
@ -43,7 +50,7 @@ final public class AttachmentViewModel: NSObject, ObservableObject, Identifiable
@Published var caption = ""
@Published var sizeLimit = SizeLimit()
var compressVideoTask: Task<URL, Error>?
// var compressVideoTask: Task<URL, Error>?
// output
@Published public private(set) var output: Output?
@ -54,11 +61,14 @@ final public class AttachmentViewModel: NSObject, ObservableObject, Identifiable
@Published public private(set) var uploadState: UploadState = .none
@Published public private(set) var uploadResult: UploadResult?
@Published var error: Error?
var uploadTask: Task<(), Never>?
@Published var videoCompressProgress: Double = 0
let progress = Progress() // upload progress
@Published var fractionCompleted: Double = 0
var displayLink: CADisplayLink!
private var lastTimestamp: TimeInterval?
private var lastUploadSizeInByte: Int64 = 0
private var averageUploadSpeedInByte: Int64 = 0
@ -78,11 +88,15 @@ final public class AttachmentViewModel: NSObject, ObservableObject, Identifiable
super.init()
// end init
self.displayLink = CADisplayLink(
target: self,
selector: #selector(AttachmentViewModel.step(displayLink:))
)
displayLink.add(to: .current, forMode: .common)
Timer.publish(every: 1.0 / 60.0, on: .main, in: .common) // 60 FPS
.autoconnect()
.share()
.receive(on: DispatchQueue.main)
.sink { [weak self] _ in
guard let self = self else { return }
self.step()
}
.store(in: &disposeBag)
progress
.observe(\.fractionCompleted, options: [.initial, .new]) { [weak self] progress, _ in
@ -120,12 +134,14 @@ final public class AttachmentViewModel: NSObject, ObservableObject, Identifiable
.assign(to: &$thumbnail)
defer {
Task { @MainActor in
let uploadTask = Task { @MainActor in
do {
var output = try await load(input: input)
switch output {
case .video(let fileURL, let mimeType):
self.output = output
self.update(uploadState: .compressing)
let compressedFileURL = try await comporessVideo(url: fileURL)
output = .video(compressedFileURL, mimeType: mimeType)
try? FileManager.default.removeItem(at: fileURL) // remove old file
@ -142,12 +158,17 @@ final public class AttachmentViewModel: NSObject, ObservableObject, Identifiable
self.error = error
}
} // end Task
self.uploadTask = uploadTask
Task {
await uploadTask.value
}
}
}
deinit {
displayLink.invalidate()
displayLink.remove(from: .current, forMode: .common)
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
uploadTask?.cancel()
switch output {
case .image:
@ -172,31 +193,34 @@ extension AttachmentViewModel {
return formatter
}()
@objc private func step(displayLink: CADisplayLink) {
@objc private func step() {
let uploadProgress = min(progress.fractionCompleted + 0.1, 1) // the progress split into 9:1 blocks (download : waiting)
guard let lastTimestamp = self.lastTimestamp else {
self.lastTimestamp = displayLink.timestamp
self.lastUploadSizeInByte = Int64(Double(outputSizeInByte) * progress.fractionCompleted)
self.lastTimestamp = CACurrentMediaTime()
self.lastUploadSizeInByte = Int64(Double(outputSizeInByte) * uploadProgress)
return
}
let duration = displayLink.timestamp - lastTimestamp
let duration = CACurrentMediaTime() - lastTimestamp
guard duration >= 1.0 else { return } // update every 1 sec
let old = self.lastUploadSizeInByte
self.lastUploadSizeInByte = Int64(Double(outputSizeInByte) * progress.fractionCompleted)
self.lastUploadSizeInByte = Int64(Double(outputSizeInByte) * uploadProgress)
let newSpeed = self.lastUploadSizeInByte - old
let lastAverageSpeed = self.averageUploadSpeedInByte
let newAverageSpeed = Int64(AttachmentViewModel.SpeedSmoothingFactor * Double(newSpeed) + (1 - AttachmentViewModel.SpeedSmoothingFactor) * Double(lastAverageSpeed))
let remainSizeInByte = Double(outputSizeInByte) * (1 - progress.fractionCompleted)
let remainSizeInByte = Double(outputSizeInByte) * (1 - uploadProgress)
let speed = Double(newAverageSpeed)
if speed != .zero {
// estimate by speed
let uploadRemainTimeInSecond = remainSizeInByte / speed
// estimate by progress 1s for 10%
let remainPercentage = 1 - progress.fractionCompleted
let remainPercentage = 1 - uploadProgress
let estimateRemainTimeByProgress = remainPercentage / 0.1
// max estimate
var remainTimeInSecond = max(estimateRemainTimeByProgress, uploadRemainTimeInSecond)
@ -216,7 +240,7 @@ extension AttachmentViewModel {
remainTimeLocalizedString = nil
}
self.lastTimestamp = displayLink.timestamp
self.lastTimestamp = CACurrentMediaTime()
self.averageUploadSpeedInByte = newAverageSpeed
}
}

2
MastodonSDK/Sources/MastodonUI/Scene/ComposeContent/ComposeContentViewModel.swift
View File

@ -427,6 +427,8 @@ extension ComposeContentViewModel: AttachmentViewModelDelegate {
switch attachmentViewModel.uploadState {
case .none:
return
case .compressing:
return
case .ready:
let count = self.attachmentViewModels.count
logger.log(level: .debug, "\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): upload \(i)/\(count) attachment")