Swift Media Player
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//
// Created by Marco Schmickler on 15.11.21.
// Copyright (c) 2021 Marco Schmickler. All rights reserved.
//
import Foundation
import SwiftUI
import AVKit
import CoreMotion
struct SVideoPlayer: View, EditItemDelegate {
// url: URL(string: "https://bitdash-a.akamaihd.net/content/sintel/hls/playlist.m3u8")!
var player = AVQueuePlayer(items: [AVPlayerItem]())
var playerLooper: AVPlayerLooper
var completionHandler: ((Bool) -> Void)?
let motionManager = CMMotionManager()
@ObservedObject
var model: SVideoModel
@State private var lastScaleValue: CGFloat = 1.0
@State private var lastDragOffset: CGSize = CGSize.zero
@State var savetext = "save"
@State var confirmationShown = false
@State var dirtyShown = false
@State var blackShown = false
@State var showSettings = false
@State var truncateShown = false
@State var seekSmoothly = false
@State var upsidedown = false
@State var more = false
@State var frames = false
@State var small = false
@State var embedded = false
@State var embDown = false
@State var tilt = false
@State var smoothTime = -1.0
@State var smoothSeekTime = -1.0
@State var timeCounter = 0
@State var timeSlomoCounter = 0
@State var lastScale = 1.25
@State var xoffs = 0.0
@State var rotazero = -1000.0
@State var loop5 = 0 // 0 = off, 1 = 5 s, 2 = 10 s
@State var loop5start = 0.0
@State var fullscreen = false
@State var showHelp = false
@State var cutFlag = false
@State var lores = false
@State var second = false
@State var tap3 = false
@State var secondScale = 0.75
@State var secondOffset = CGSize(width: -70, height: 50)
@State var orientation = UIDevice.current.orientation
@State private var scrollTarget: Int?
let orientationChanged = NotificationCenter.default.publisher(for: UIDevice.orientationDidChangeNotification)
.makeConnectable()
.autoconnect()
let bitrateChanged = NotificationCenter.default
.publisher(for: NSNotification.Name.AVPlayerItemNewAccessLogEntry)
let steps: [Float] = [0.25, 0.5, 1.0, 2.0]
init(completionHandler: ((Bool) -> ())?, model: SVideoModel) {
self.completionHandler = completionHandler
self.model = model
self.playerLooper = AVPlayerLooper(player: player, templateItem: model.currentPlayerItem())
}
func isEnd() -> Bool {
model.paused && model.currentSnapshot.time > 0
}
func cleanup() {
if model.observer != nil && model.observed != nil && model.observed! === player {
do {
player.removeTimeObserver(model.observer)
model.observer = nil
} catch {
print("exception")
}
}
}
var multiTapGesture: some Gesture {
SimultaneousGesture(TapGesture(count: 2), TapGesture(count: 3))
.onEnded { gestureValue in
if gestureValue.second != nil {
if !model.baseItem.compilation {
doSnapshot()
}
if fullscreen { fullscreen = false }
print("triple tap!")
} else if gestureValue.first != nil {
doubleTapZoom()
}
}
}
var body: some View {
VStack {
if !fullscreen {
HStack {
VStack {
HStack {
Text(model.currentSnapshot.name).foregroundColor(Color.blue).fontWeight(Font.Weight.light)
}
LazyVGrid(columns: [
GridItem(.adaptive(minimum: 45))
], spacing: 5) {
Button(action: {
if model.dirty {
if LocalManager.sharedInstance.settings.confirm {
dirtyShown = true
} else {
cleanup()
closePlayer(withSave: true)
cleanup()
}
} else {
let withSave = model.edit
cleanup()
closePlayer(withSave: withSave)
}
}, label: {
Text(LocalManager.sharedInstance.settings.confirm ? "cancel" : "next")
})
.buttonStyle(BorderlessButtonStyle()).confirmationDialog("Save?", isPresented: $dirtyShown) {
Button("save") {
closePlayer(withSave: true)
}
Button("cancel", role: .cancel) {
closePlayer(withSave: false)
}
}
/* if !model.baseItem.compilation {
Button(action: {
if isEnd() {
setEnd()
} else {
blackShown = true
}
}) {
Text(isEnd() ? "end" : "black")
}
.foregroundColor(NetworkManager.sharedInstance.isBlack(model.baseItem) ? Color.yellow : Color.blue)
.frame(height: 30).buttonStyle(BorderlessButtonStyle()).confirmationDialog("Delete?", isPresented: $blackShown) {
Button("delete") {
black();
closePlayer(withSave: false)
blackShown = false
}
Button("cancel", role: .cancel) {
blackShown = false
}
}
} */
KToggleButton(text: "\(relative())", binding: $more)
Button(action: {
let tag = DatabaseManager.sharedInstance.currentTag
if tag != "" {
let item = model.currentSnapshot
if item.tags.contains(tag) {
item.tags.removeAll(where: { toRemove in toRemove == tag })
} else {
item.tags.append(tag)
}
model.dirty = true
}
}, label: {
Text(DatabaseManager.sharedInstance.currentTag)
})
.foregroundColor(model.currentSnapshot.tags.contains(DatabaseManager.sharedInstance.currentTag) ? Color.yellow : Color.blue)
Button(action: {
model.favorite.toggle()
model.dirty = true
}, label: {
Image(systemName: "heart.fill")
})
.foregroundColor(model.favorite ? Color.yellow : Color.blue).buttonStyle(BorderlessButtonStyle())
Button(action: { loop5 = (loop5 + 1) % 3 }) {
Text(loop5 == 0 ? "loop5" : loop5 == 1 ? "loop5" : "loop10")
}.foregroundColor(loop5 > 0 ? Color.yellow : Color.blue)
.buttonStyle(BorderlessButtonStyle())
KToggleButton(text: "cfg", binding: $showSettings).frame(height: 30)
Button(action: { confirmationShown = true }, label: {
Text(savetext)
})
.buttonStyle(BorderlessButtonStyle())
.confirmationDialog("Save to folder", isPresented: $confirmationShown) {
Button("1") {
save(currentSnapshot: model.currentSnapshot, name: "1")
}
Button("2") {
save(currentSnapshot: model.currentSnapshot, name: "2")
}
Button("3") {
save(currentSnapshot: model.currentSnapshot, name: "3")
}
Button("cancel", role: .cancel) {
}
}
KToggleButton(text: "embd", binding: $embedded).frame(height: 30)
Button(action: { showHelp = true }, label: {
Text("?")
}).buttonStyle(BorderlessButtonStyle())
}
}
HStack {
ScrollViewReader { scrollvalue in
ScrollView(.horizontal, showsIndicators: false) {
HStack {
ForEach(model.allItems) { item in
Button(action: {
gotoSnapshot(item)
scrollvalue.scrollTo(item.id)
}) {
AsyncImage(item: item, placeholder: { Text("Loading ...") },
image: { Image(uiImage: $0).resizable() }).border(.yellow, width: (item === model.currentSnapshot) ? 1 : 0)
.overlay(Image(systemName: "repeat.circle").offset(x: 20, y: -20).opacity((item.length > 0.0) ? 1 : 0))
}
}
}
}.frame(height: 50)
// .onChange(of: scrollTarget { target in
// if let tg = target {
// scrollTarget = nil
// withAnimation {
// scrollvalue.scrollTo(tg)
// }
// }
// })
}
Spacer()
VStack {
Text("""
(\(model.codec) \(model.height), \(model.nominalFrameRate), \(model.bitRate)m)\n\(model.scale, specifier: "%.2f")x (\(model.dragOffset.width, specifier: "%.0f"),\(model.dragOffset.height, specifier: "%.0f"))
""").foregroundColor(Color.blue).fontWeight(Font.Weight.light)
LazyVGrid(columns: [
GridItem(.adaptive(minimum: 45))
], spacing: 5) {
Button(action: { model.edit.toggle() }, label: {
Text("edit")
})
.buttonStyle(BorderlessButtonStyle());
if !model.baseItem.compilation {
if model.currentSnapshot != nil {
Button(action: addFrame, label: {
Text("frame")
})
.buttonStyle(BorderlessButtonStyle())
}
Button(action: doSnapshot, label: {
Text("snap")
})
.buttonStyle(BorderlessButtonStyle());
}
}
}
}
}
} // end if !fullscreen
// .frame(height: 50)
GeometryReader { geometry in
VStack {
let v = VideoPlayerView(model: model,
player: player)
.scaleEffect(small ? 1 : model.scale)
.rotation3DEffect(.degrees(upsidedown ? 180 : 0), axis: (x: 1, y: 0, z: 0))
.offset(small ? CGSize.zero : model.dragOffset).modifier(KAnimate(dragOffset: model.dragOffset, spring: false)).offset(x: xoffs, y: 0)
.gesture(multiTapGesture)
.simultaneousGesture(
LongPressGesture()
.onEnded { _ in
print("Loooong")
togglePause()
}
)
.gesture(
DragGesture()
.onChanged { gesture in
let dragged = gesture.translation
if move(dragged, start: gesture.startLocation) {
let f = 1.5
model.dragOffset = CGSize(width: f * dragged.width + lastDragOffset.width, height: f * dragged.height + lastDragOffset.height)
}
}
.onEnded { gesture in
lastDragOffset = model.dragOffset
smoothTime = -1.0
}
)
.gesture(MagnificationGesture()
.onChanged { val in
let delta = val / self.lastScaleValue
self.lastScaleValue = val
self.model.scale = self.model.scale * delta
}
.onEnded { val in
// without this the next gesture will be broken
self.lastScaleValue = 1.0
if let geo = model.proxy {
print("geo \(geo.size.height)");
}
})
.contentShape(Rectangle())
if model.edit && model.videoDuration != Double.nan && model.videoDuration > 0.0 {
v.overlay(EditItemView(item: model.currentSnapshot, len: model.videoDuration, delegate: self)
.frame(width: 420, alignment: .top).offset(x: 0, y: -50), alignment: .topTrailing)
} else {
if embedded && !more {
v.overlay(SEmbeddedVideo(embedded: $embedded, down: $embDown), alignment: embDown ? .bottomLeading : .topLeading)
} else if small && !more {
let normal = 385.0
v.overlay(Rectangle().stroke(Color.black, lineWidth: 2.0).opacity(0.3).frame(width: normal * 16.0 / 9.0, height: normal).offset(model.dragOffset), alignment: .topLeading)
} else if more {
v.overlay(VStack {
Button(action: {
tilt.toggle()
if tilt {
motionManager.startDeviceMotionUpdates(using: .xMagneticNorthZVertical)
} else {
motionManager.stopDeviceMotionUpdates()
}
}, label: {
Text("tilt")
})
.frame(height: 30)
.foregroundColor(tilt ? Color.yellow : Color.blue).buttonStyle(BorderlessButtonStyle())
Group {
KToggleButton(text: "slow", binding: $model.slow).frame(height: 30)
KToggleButton(text: "zoom", binding: $model.zoomed).frame(height: 30)
KToggleButton(text: "jump", binding: $model.jump).frame(height: 30)
KToggleButton(text: "small", binding: $small).frame(height: 30)
KToggleButton(text: "loop", binding: $model.loop).frame(height: 30)
KToggleButton(text: "flip", binding: $upsidedown).frame(height: 30)
KToggleButton(text: "lores", binding: $lores).frame(height: 30)
}
Button(action: {
if model.speed == 1.0 && timeSlomoCounter == 0 {
model.speed = 0.5
timeSlomoCounter = 200
} else {
for s in steps {
if model.speed < s {
model.speed = s
break
} else {
if s == 2.0 {
model.speed = steps[0]
}
}
}
}
player.rate = model.speed
}, label: {
Text("\(model.speed, specifier: "%.2f")")
})
.frame(height: 30)
.buttonStyle(BorderlessButtonStyle())
Button(action: {
togglePause()
}, label: {
Text("pause")
})
.frame(height: 30)
.foregroundColor(model.paused ? Color.yellow : Color.blue).buttonStyle(BorderlessButtonStyle())
if !model.baseItem.compilation {
Button(action: { blackShown = true }) {
Text("black")
}
.foregroundColor(NetworkManager.sharedInstance.isBlack(model.baseItem) ? Color.yellow : Color.blue)
.frame(height: 30).buttonStyle(BorderlessButtonStyle()).confirmationDialog("Delete?", isPresented: $blackShown) {
Button("delete") {
black();
closePlayer(withSave: false)
blackShown = false
}
Button("cancel", role: .cancel) {
blackShown = false
}
}
Button(action: { truncateShown = true }) {
Text("trunc")
}
.foregroundColor(Color.blue)
.frame(height: 30).buttonStyle(BorderlessButtonStyle()).confirmationDialog("Truncate?", isPresented: $truncateShown) {
Button("truncate") {
truncate();
closePlayer(withSave: false)
truncateShown = false
}
Button("cancel", role: .cancel) {
truncateShown = false
}
}
Button(action: { cut() }) {
Text("cut")
}
.foregroundColor(cutFlag ? Color.yellow : Color.blue)
.frame(height: 30).buttonStyle(BorderlessButtonStyle())
}
Button(action: {}) {
Text("start")
}
.frame(height: 30).buttonStyle(BorderlessButtonStyle())
.simultaneousGesture(
LongPressGesture()
.onEnded { _ in
print("Loooong")
}
)
.highPriorityGesture(TapGesture()
.onEnded { _ in
seekTimeSmoothly(model.currentSnapshot.time)
})
Button(action: {}) {
Text("end")
}
.frame(height: 30).buttonStyle(BorderlessButtonStyle()).foregroundColor(model.currentSnapshot.length > 0 ? Color.yellow : Color.blue)
.simultaneousGesture(
LongPressGesture()
.onEnded { _ in
setEnd()
}
)
.highPriorityGesture(TapGesture()
.onEnded { _ in
seekTimeSmoothly(model.currentSnapshot.time + model.currentSnapshot.length)
})
}
.frame(width: 50, alignment: .top).offset(x: 0, y: 0), alignment: .topLeading)
} else if model.tagging {
v.overlay(ScrollView() {
TagEditor(item: model.currentSnapshot, completionHandler: NetworkManager.sharedInstance.saveItem)
}
.frame(width: 170, alignment: .top).offset(x: 0, y: 0),
alignment: .topLeading)
} else if frames && model.zoomed {
v.overlay(VStack {
ForEach(model.frames) { f in
Button(action: {
seekTime(model.currentSnapshot.time + f.time)
model.dragOffset.width = CGFloat(f.x)
model.dragOffset.height = CGFloat(f.y)
model.scale = f.scale
}, label: {
Text("\(f.time, specifier: "%.2f")")
})
.simultaneousGesture(
LongPressGesture()
.onEnded { _ in
print("Loooong")
for i in 0...model.frames.count - 1 {
if model.frames[i].time == f.time {
model.frames.remove(at: i)
break
}
}
updateOptions()
}
)
}
}
.frame(width: 70, alignment: .top).offset(x: 0, y: 0), alignment: .topTrailing)
} else {
v
}
}
let controlsView = VideoPlayerControlsView(model: model,
player: player)
if !second && !fullscreen {
controlsView
} else {
controlsView.hidden()
}
}
.onAppear {
model.proxy = geometry
print("geo \(geometry.size.height)");
}
.clipped()
}
}
.statusBarHidden(fullscreen)
.sheet(isPresented: $showSettings, onDismiss: { showSettings = false }) {
KSettingsView(kSettings: LocalManager.sharedInstance.settings, completionHandler: {
showSettings = false
})
}
.sheet(isPresented: $showHelp, onDismiss: { showHelp = false }) {
SVideoHelpView(completionHandler: { showHelp = false })
}
.onAppear() {
model.observed = player
model.observer = player.addPeriodicTimeObserver(forInterval: CMTime(seconds: 0.02, preferredTimescale: 600), queue: nil, using: timeObserver())
player.automaticallyWaitsToMinimizeStalling = LocalManager.sharedInstance.settings.automaticallyWaitsToMinimizeStalling
player.isMuted = LocalManager.sharedInstance.settings.muteAudio
let item = model.currentPlayerItem()
item.preferredForwardBufferDuration = 2.0
player.removeAllItems()
self.player.replaceCurrentItem(with: item)
model.currentURL = model.currentSnapshot.playerURL
print(model.currentURL!)
// player.removeAllItems()
// player.insert(model.currentPlayerItem(), after: nil)
// Start the player going, otherwise controls don't appear
player.play()
DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
gotoSnapshot(model.currentSnapshot)
}
}
.onDisappear {
// When this View isn't being shown anymore stop the player
player.pause()
cleanup()
self.player.replaceCurrentItem(with: nil)
}
.onReceive(orientationChanged) { _ in
self.orientation = UIDevice.current.orientation
}
.onReceive(bitrateChanged) { notification in
guard let playerItem = notification.object as? AVPlayerItem,
let lastEvent = playerItem.accessLog()?.events.last
else {
return
}
model.bitRate = Int(lastEvent.indicatedBitrate / 1024 / 1024)
}.onChange(of: loop5) { new in
if new == 1 {
if model.paused {
model.paused = false
player.play()
player.rate = 0.8
}
loop5start = player.currentTime().seconds
}
}
}
private func togglePause() {
if model.paused {
player.play()
} else {
player.pause()
}
model.paused = !model.paused
}
private func doubleTapZoom() {
fullscreen.toggle()
}
private func timeObserver() -> (CMTime) -> () {
{ time in
if timeCounter >= 1 {
timeCounter -= 1
}
if timeSlomoCounter >= 1 {
timeSlomoCounter -= 1
}
if loop5 > 0 {
let loopDuration = loop5 == 2 ? 10.0 : 5.0
if time.seconds > loop5start + loopDuration {
seekTime(loop5start)
}
}
if model.loop && !model.paused && model.currentSnapshot.length > 0 {
if time.seconds > model.currentSnapshot.time + model.currentSnapshot.length {
seekTime(model.currentSnapshot.time)
}
}
if model.zoomed {
if time.seconds > model.currentSnapshot.time {
let relativeTime = time.seconds - model.currentSnapshot.time;
for f in model.frames {
// print("\(f.time) \(relativeTime)")
if f.time > relativeTime && f.time < relativeTime + 1 {
model.scale = CGFloat(f.scale)
model.dragOffset.width = CGFloat(f.x)
model.dragOffset.height = CGFloat(f.y)
break
}
}
}
}
if tilt {
if let data = motionManager.deviceMotion {
var rotation = atan2(data.gravity.x,
data.gravity.y) - .pi
if rotation < (-1 * .pi) {
rotation += .pi + .pi
}
rotation *= 100.0
if rotazero == -1000 {
rotazero = rotation
}
rotation -= rotazero
// let roll = accelerometerData.attitude.yaw
if rotation > 30 {
xoffs += 3;
// print(xoffs)
}
if rotation < -30 {
xoffs -= 3;
// print(xoffs)
}
// print(Int(rotation * 100.0) )
}
} else {
xoffs = 0.0
rotazero = -1000
}
}
}
private func closePlayer(withSave: Bool) {
if model.currentSnapshot.local {
LocalManager.sharedInstance.settings.embeddedVideoUrl = model.currentURL
}
model.baseItem.favorite = model.favorite
player.pause()
player.replaceCurrentItem(with: nil)
model.currentURL = nil
completionHandler!(withSave)
}
func doSnapshot() {
if player.currentItem == nil {
return
}
let currentItem = player.currentItem!
let asset = currentItem.asset
do {
let imgGenerator = AVAssetImageGenerator(asset: asset)
imgGenerator.appliesPreferredTrackTransform = true
let time = currentItem.currentTime()
let cgImage = try imgGenerator.copyCGImage(at: time, actualTime: nil)
let thumbnail = UIImage(cgImage: cgImage)
model.dirty = true
UIPasteboard.general.image = thumbnail
showThumbnail(currentItem: model.baseItem, thumbnail: thumbnail, time: time)
} catch let error {
print("*** Error generating thumbnail: \(error.localizedDescription)")
}
}
func showThumbnail(currentItem: MediaItem, thumbnail: UIImage, time: CMTime) {
let newItem = MediaItem(name: currentItem.name, path: currentItem.path, root: currentItem.root, type: ItemType.SNAPSHOT)
newItem.image = thumbnail
newItem.time = time.seconds
newItem.indexId = Int(newItem.time * 1000)
newItem.parent = currentItem
newItem.local = currentItem.local
newItem.external = currentItem.external
model.allItems.append(newItem)
model.currentSnapshot = newItem
scrollTarget = model.allItems.count
}
/// Maps the current combination of mode flags to an InteractionMode value
/// with the appropriate constants. This is the single place to change
/// which flags affect drag behaviour and what the thresholds are.
private func currentMode() -> InteractionMode {
let zoomed = second || fullscreen
let pan = zoomed || small
if model.paused {
return ScrubMode(
fineZoneHeight: zoomed ? 100 : 170,
allowsPan: pan)
}
let fine = model.slow || second
let (threshold, forward, backward): (Double, Double, Double) = {
if fullscreen { return (20, 10, 10) }
else if fine { return (20, 5, 8) }
else { return (40, 30, 30) }
}()
return PlayMode(
allowsPan: pan,
jumpEnabled: model.jump && !fullscreen,
stepThreshold: threshold,
stepForward: forward,
stepBackward: backward)
}
/// Wrapping prev/next snapshot navigation (replaces two identical blocks).
private func jumpSnapshot(by dir: Int) {
guard let i = model.allItems.index(where: { $0 === model.currentSnapshot })
else { return }
let n = model.allItems.count
gotoSnapshot(model.allItems[(i + dir + n) % n])
print("jump")
}
private func move(_ dragged: CGSize, start: CGPoint) -> Bool {
if model.paused, smoothTime < 0, let t = getCurrentTime() { smoothTime = t }
let input = DragInput(
translation: dragged,
start: start,
currentTime: getCurrentTime(),
anchorTime: smoothTime,
seeking: model.seeking)
switch currentMode().resolve(input) {
case .pan:
return true
case .scrub(let target):
seekTimeSmoothly(target)
return false
case .step(let target):
seekTime(target)
return false
case .jumpSnapshot(let dir):
if timeCounter == 0 { jumpSnapshot(by: dir); timeCounter = 50 }
return false
case .none:
return false
}
}
private func relative() -> String {
if let time = getCurrentTime() {
return Utility.formatSecondsToHMS(time - model.currentSnapshot.time)
} else {
return "more"
}
}
private func getCurrentTime() -> Double? {
player.currentItem?.currentTime().seconds
}
func seekTime(_ time: Double) {
print("Seek \(time)")
if (time == 30.0) {
print("catch")
}
self.model.seeking = true
player.pause()
// player.cancelPendingPrerolls()
if let item = player.currentItem {
item.cancelPendingSeeks()
}
player.seek(to: CMTime(seconds: time, preferredTimescale: CMTimeScale(600))) { _ in
if !model.paused {
player.play()
player.rate = model.speed
}
self.model.seeking = false
}
}
func seekTimeSmoothly(_ time: Double) {
print("smooth \(time)")
if seekSmoothly {
smoothSeekTime = time
print("delay \(smoothSeekTime)")
return
}
if smoothSeekTime == time {
print("finished \(smoothSeekTime)")
smoothSeekTime = -1.0
return
}
seekSmoothly = true
print("seek \(time)")
player.seek(to: CMTime(seconds: time, preferredTimescale: CMTimeScale(10000)), toleranceBefore: CMTime.zero, toleranceAfter: CMTime.zero) { _ in
seekSmoothly = false
if smoothSeekTime > 0.0 {
print("next level")
seekTimeSmoothly(smoothSeekTime)
}
}
}
func gotoSnapshot(_ currentSnapshot: MediaItem) {
model.currentSnapshot = currentSnapshot
let lines = currentSnapshot.options.split(whereSeparator: \.isNewline)
model.frames.removeAll()
frames = false
for l in lines {
let values = l.components(separatedBy: CharacterSet.whitespacesAndNewlines) ?? []
if (values.count == 4) {
var f = KFrame()
f.time = Double(values[0]) ?? 0.0
f.scale = Double(values[1]) ?? 1.0
f.x = Int(values[2]) ?? 0
f.y = Int(values[3]) ?? 0
model.frames.append(f)
frames = true
}
print(l)
}
if currentSnapshot.playerURL != model.currentURL {
model.currentURL = currentSnapshot.playerURL
player.replaceCurrentItem(with: model.currentPlayerItem())
playerLooper
seekTime(currentSnapshot.time)
} else {
seekTime(currentSnapshot.time)
}
let heightSpace = model.proxy!.size.height * 2
var height = heightSpace
if let i = player.currentItem {
Task.init {
for t in i.asset.tracks {
if t.mediaType == .video {
model.nominalFrameRate = try await Int(t.load(.nominalFrameRate))
if let formats = t.formatDescriptions as? [CMFormatDescription] {
for format in formats {
printFourCC(CMFormatDescriptionGetMediaSubType(format))
}
}
}
}
}
height = i.presentationSize.height
}
model.height = Int(height)
lores = (height <= 1080) && (height * 1.5 < heightSpace)
var f = height / heightSpace
print("h \(height) \(heightSpace) \(f)")
if model.zoomed && currentSnapshot.scale > 0 {
model.scale = CGFloat(currentSnapshot.scale)
model.dragOffset.width = currentSnapshot.offset.x
model.dragOffset.height = currentSnapshot.offset.y
// player.transformLayer()
} else {
if model.zoomed && f > 0.0 {
if f < 0.6 {
f = f * CGFloat(LocalManager.sharedInstance.settings.scale)
}
model.scale = f
model.dragOffset.width = 0
model.dragOffset.height = 0
} else {
if (model.scale != 1) {
lastScale = model.scale
}
if (lores) {
model.scale = secondScale
model.dragOffset = secondOffset
} else {
model.scale = 1
model.dragOffset = CGSize.zero
}
}
}
}
func printFourCC(_ fcc: FourCharCode) {
let bytes: [CChar] = [
CChar((fcc >> 24) & 0xff),
CChar((fcc >> 16) & 0xff),
CChar((fcc >> 8) & 0xff),
CChar(fcc & 0xff),
0]
let result = String(cString: bytes)
let characterSet = CharacterSet.whitespaces
model.codec = result.trimmingCharacters(in: characterSet)
}
func captureZoom() {
model.currentSnapshot.scale = model.scale
model.currentSnapshot.offset = CGPoint(x: model.dragOffset.width, y: model.dragOffset.height)
model.dirty = true
}
func setStart() {
if let time = getCurrentTime() {
model.currentSnapshot.time = time
model.dirty = true
}
}
func addFrame() {
if let time = getCurrentTime() {
var f = KFrame()
f.time = time - model.currentSnapshot.time
f.scale = model.scale
f.x = Int(model.dragOffset.width)
f.y = Int(model.dragOffset.height)
model.frames.append(f)
updateOptions()
frames = true
}
}
private func updateOptions() {
var options = ""
for f in model.frames {
options.append("\(String(format: "%.2f", f.time))\t\(String(format: "%.2f", f.scale))\t\(f.x)\t\(f.y)\n")
}
model.currentSnapshot.options = options
model.dirty = true
}
func setEnd() {
if let time = getCurrentTime() {
let snapTime = model.currentSnapshot.time
if time > snapTime {
model.currentSnapshot.length = time - snapTime
}
model.dirty = true
}
}
func cancelEdit() {
model.edit = false
}
func okEdit() {
DatabaseManager.sharedInstance.saveItemMetaData(model.currentSnapshot)
model.edit = false
model.dirty = true
}
func seek(_ v: Double) {
seekTimeSmoothly(v)
}
func black() {
NetworkManager.sharedInstance.blackItem(model.baseItem)
}
func cut() {
NetworkManager.sharedInstance.cutItem(model.currentSnapshot)
cutFlag = true
}
func truncate() {
NetworkManager.sharedInstance.truncateItem(model.currentSnapshot)
}
func save(currentSnapshot c: MediaItem, name: String) {
do {
try FileHelper.createDir(name: name)
var file = FileHelper.getDocumentsDirectory().appendingPathComponent(name).appendingPathComponent("\(c.nameWithoutExtension)_\(Int(c.time))")
if file.pathExtension != "mp4" {
file = file.appendingPathExtension("mp4")
}
print(file)
var dur = c.length
if (dur < 0) {
return
}
player.pause()
VideoHelper.export(item: player.currentItem!, clipStart: c.time, clipDuration: dur, file: file, snapshot: c, zoomed: model.zoomed,
progress: { p in
let percent = Int(p * 100)
savetext = "\(percent)"
}) { url in
savetext = "saved"
}
var s: MediaModel;
if (c.type == ItemType.SNAPSHOT && c.parent != nil) {
s = c.parent!.toMediaModel()
do {
if c.thumbUrlAbsolute != "" {
let local = try Data(contentsOf: URL(string: c.thumbUrlAbsolute)!)
let tfile = FileHelper.getDocumentsDirectory()
.appendingPathComponent(name)
.appendingPathComponent("\(c.nameWithoutExtension)_\(Int(c.time))")
.appendingPathExtension("mp4")
.appendingPathExtension("jpg")
try local.write(to: tfile)
}
} catch {
// ignore
}
} else {
s = c.toMediaModel()
}
let jfile = FileHelper.getDocumentsDirectory()
.appendingPathComponent(name)
.appendingPathComponent("\(c.nameWithoutExtension)_\(Int(c.time))")
.appendingPathExtension("mp4")
.appendingPathExtension("orig")
let jsonEncoder = JSONEncoder()
let jsonData = try! jsonEncoder.encode(s)
let json = String(data: jsonData, encoding: String.Encoding.utf8)
print(jfile.absoluteString)
print(json)
try json!.write(to: jfile, atomically: true, encoding: .utf8)
} catch {
print(error)
}
}
}
struct SVideoPlayer_Previews: PreviewProvider {
static var previews: some View {
SVideoPlayer(completionHandler: { b in }, model: SVideoModel(allItems: [MediaItem](),
currentSnapshot: MediaItem(name: "extern", path: "", root: "", type: ItemType.FAVROOT),
baseItem: MediaItem(name: "extern", path: "", root: "", type: ItemType.FAVROOT)
))
}
}