mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
565 lines
26 KiB
Swift
565 lines
26 KiB
Swift
import Foundation
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import UIKit
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import Postbox
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import SwiftSignalKit
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import TelegramCore
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import LegacyComponents
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import FFMpegBinding
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import LocalMediaResources
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import LegacyMediaPickerUI
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private final class AVURLAssetCopyItem: MediaResourceDataFetchCopyLocalItem {
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private let url: URL
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init(url: URL) {
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self.url = url
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}
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func copyTo(url: URL) -> Bool {
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var success = true
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do {
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try FileManager.default.copyItem(at: self.url, to: url)
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} catch {
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success = false
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}
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return success
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}
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}
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struct VideoConversionConfiguration {
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static var defaultValue: VideoConversionConfiguration {
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return VideoConversionConfiguration(remuxToFMp4: false)
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}
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public let remuxToFMp4: Bool
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fileprivate init(remuxToFMp4: Bool) {
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self.remuxToFMp4 = remuxToFMp4
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}
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static func with(appConfiguration: AppConfiguration) -> VideoConversionConfiguration {
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// #if DEBUG
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// return VideoConversionConfiguration(remuxToFMp4: true)
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// #endif
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if let data = appConfiguration.data, let conversion = data["video_conversion"] as? [String: Any] {
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let remuxToFMp4 = conversion["remux_fmp4"] as? Bool ?? VideoConversionConfiguration.defaultValue.remuxToFMp4
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return VideoConversionConfiguration(remuxToFMp4: remuxToFMp4)
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} else {
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return .defaultValue
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}
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}
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}
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private final class FetchVideoLibraryMediaResourceItem {
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let priority: MediaBoxFetchPriority
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let signal: Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError>
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let next: (MediaResourceDataFetchResult) -> Void
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let error: (MediaResourceDataFetchError) -> Void
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let completion: () -> Void
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var isActive: Bool = false
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var disposable: Disposable?
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init(priority: MediaBoxFetchPriority, signal: Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError>, next: @escaping (MediaResourceDataFetchResult) -> Void, error: @escaping (MediaResourceDataFetchError) -> Void, completion: @escaping () -> Void) {
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self.priority = priority
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self.signal = signal
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self.next = next
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self.error = error
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self.completion = completion
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}
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deinit {
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self.disposable?.dispose()
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}
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}
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private let fetchVideoLimit: Int = 2
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private final class FetchVideoLibraryMediaResourceContextImpl {
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private let queue: Queue
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var items: [FetchVideoLibraryMediaResourceItem] = []
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init(queue: Queue) {
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self.queue = queue
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}
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func add(priority: MediaBoxFetchPriority, signal: Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError>, next: @escaping (MediaResourceDataFetchResult) -> Void, error: @escaping (MediaResourceDataFetchError) -> Void, completion: @escaping () -> Void) -> Disposable {
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let queue = self.queue
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let item = FetchVideoLibraryMediaResourceItem(priority: priority, signal: signal, next: next, error: error, completion: completion)
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self.items.append(item)
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self.update()
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return ActionDisposable { [weak self, weak item] in
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queue.async {
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guard let strongSelf = self, let item = item else {
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return
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}
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for i in 0 ..< strongSelf.items.count {
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if strongSelf.items[i] === item {
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strongSelf.items[i].disposable?.dispose()
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strongSelf.items.remove(at: i)
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strongSelf.update()
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break
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}
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}
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}
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}
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}
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func update() {
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let queue = self.queue
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var activeCount = 0
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for item in self.items {
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if item.isActive {
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activeCount += 1
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}
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}
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while activeCount < fetchVideoLimit {
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var maxPriorityIndex: Int?
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for i in 0 ..< self.items.count {
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if !self.items[i].isActive {
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if let maxPriorityIndexValue = maxPriorityIndex {
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if self.items[i].priority.rawValue > self.items[maxPriorityIndexValue].priority.rawValue {
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maxPriorityIndex = i
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}
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} else {
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maxPriorityIndex = i
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}
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}
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}
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if let maxPriorityIndex = maxPriorityIndex {
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let item = self.items[maxPriorityIndex]
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item.isActive = true
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activeCount += 1
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assert(item.disposable == nil)
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item.disposable = self.items[maxPriorityIndex].signal.start(next: { [weak item] value in
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queue.async {
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item?.next(value)
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}
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}, error: { [weak self, weak item] value in
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queue.async {
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guard let strongSelf = self, let item = item else {
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return
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}
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for i in 0 ..< strongSelf.items.count {
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if strongSelf.items[i] === item {
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strongSelf.items.remove(at: i)
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item.error(value)
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strongSelf.update()
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break
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}
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}
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}
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}, completed: { [weak self, weak item] in
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queue.async {
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guard let strongSelf = self, let item = item else {
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return
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}
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for i in 0 ..< strongSelf.items.count {
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if strongSelf.items[i] === item {
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strongSelf.items.remove(at: i)
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item.completion()
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strongSelf.update()
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break
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}
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}
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}
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})
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} else {
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break
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}
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}
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}
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}
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private final class FetchVideoLibraryMediaResourceContext {
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private let queue = Queue()
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private let impl: QueueLocalObject<FetchVideoLibraryMediaResourceContextImpl>
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init() {
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let queue = self.queue
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self.impl = QueueLocalObject(queue: queue, generate: {
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return FetchVideoLibraryMediaResourceContextImpl(queue: queue)
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})
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}
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func wrap(priority: MediaBoxFetchPriority, signal: Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError>) -> Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError> {
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return Signal { subscriber in
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let disposable = MetaDisposable()
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self.impl.with { impl in
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disposable.set(impl.add(priority: priority, signal: signal, next: { value in
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subscriber.putNext(value)
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}, error: { error in
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subscriber.putError(error)
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}, completion: {
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subscriber.putCompletion()
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}))
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}
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return disposable
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}
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}
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}
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private let throttlingContext = FetchVideoLibraryMediaResourceContext()
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public func fetchVideoLibraryMediaResource(account: Account, resource: VideoLibraryMediaResource) -> Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError> {
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let signal = Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError> { subscriber in
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subscriber.putNext(.reset)
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let fetchResult = PHAsset.fetchAssets(withLocalIdentifiers: [resource.localIdentifier], options: nil)
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var requestId: PHImageRequestID?
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let disposable = MetaDisposable()
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if fetchResult.count != 0 {
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let asset = fetchResult.object(at: 0)
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let option = PHVideoRequestOptions()
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option.isNetworkAccessAllowed = true
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option.deliveryMode = .highQualityFormat
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let alreadyReceivedAsset = Atomic<Bool>(value: false)
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requestId = PHImageManager.default().requestAVAsset(forVideo: asset, options: option, resultHandler: { avAsset, _, _ in
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if avAsset == nil {
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return
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}
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if alreadyReceivedAsset.swap(true) {
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return
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}
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var adjustments: TGVideoEditAdjustments?
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switch resource.conversion {
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case .passthrough:
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if let asset = avAsset as? AVURLAsset {
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var value = stat()
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if stat(asset.url.path, &value) == 0 {
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subscriber.putNext(.copyLocalItem(AVURLAssetCopyItem(url: asset.url)))
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subscriber.putCompletion()
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} else {
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subscriber.putError(.generic)
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}
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return
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} else {
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adjustments = nil
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}
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case let .compress(adjustmentsValue):
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if let adjustmentsValue = adjustmentsValue {
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if let dict = NSKeyedUnarchiver.unarchiveObject(with: adjustmentsValue.data.makeData()) as? [AnyHashable : Any] {
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adjustments = TGVideoEditAdjustments(dictionary: dict)
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}
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}
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}
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let updatedSize = Atomic<Int64>(value: 0)
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let entityRenderer: LegacyPaintEntityRenderer? = adjustments.flatMap { adjustments in
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if let paintingData = adjustments.paintingData, paintingData.hasAnimation {
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return LegacyPaintEntityRenderer(account: account, adjustments: adjustments)
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} else {
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return nil
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}
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}
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let tempFile = EngineTempBox.shared.tempFile(fileName: "video.mp4")
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let signal = TGMediaVideoConverter.convert(avAsset, adjustments: adjustments, path: tempFile.path, watcher: VideoConversionWatcher(update: { path, size in
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/*var value = stat()
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if stat(path, &value) == 0 {
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let remuxedTempFile = TempBox.shared.tempFile(fileName: "video.mp4")
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if FFMpegRemuxer.remux(path, to: remuxedTempFile.path) {
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TempBox.shared.dispose(tempFile)
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subscriber.putNext(.moveTempFile(file: remuxedTempFile))
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} else {
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TempBox.shared.dispose(remuxedTempFile)
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if let data = try? Data(contentsOf: URL(fileURLWithPath: path), options: [.mappedRead]) {
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var range: Range<Int64>?
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let _ = updatedSize.modify { updatedSize in
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range = updatedSize ..< value.st_size
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return value.st_size
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}
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//print("size = \(Int(value.st_size)), range: \(range!)")
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subscriber.putNext(.dataPart(resourceOffset: range!.lowerBound, data: data, range: range!, complete: false))
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}
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}
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}*/
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}), entityRenderer: entityRenderer)!
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let signalDisposable = signal.start(next: { next in
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if let result = next as? TGMediaVideoConversionResult {
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var value = stat()
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if stat(result.fileURL.path, &value) == 0 {
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let remuxedTempFile = TempBox.shared.tempFile(fileName: "video.mp4")
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if let size = fileSize(result.fileURL.path), size <= 32 * 1024 * 1024, FFMpegRemuxer.remux(result.fileURL.path, to: remuxedTempFile.path) {
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TempBox.shared.dispose(tempFile)
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subscriber.putNext(.moveTempFile(file: remuxedTempFile))
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} else {
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TempBox.shared.dispose(remuxedTempFile)
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if let data = try? Data(contentsOf: result.fileURL, options: [.mappedRead]) {
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var range: Range<Int64>?
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let _ = updatedSize.modify { updatedSize in
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range = updatedSize ..< value.st_size
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return value.st_size
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}
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//print("finish size = \(Int(value.st_size)), range: \(range!)")
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subscriber.putNext(.dataPart(resourceOffset: range!.lowerBound, data: data, range: range!, complete: false))
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subscriber.putNext(.replaceHeader(data: data, range: 0 ..< 1024))
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subscriber.putNext(.dataPart(resourceOffset: Int64(data.count), data: Data(), range: 0 ..< 0, complete: true))
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}
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}
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} else {
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subscriber.putError(.generic)
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}
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subscriber.putCompletion()
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EngineTempBox.shared.dispose(tempFile)
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}
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}, error: { _ in
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subscriber.putError(.generic)
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}, completed: nil)
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disposable.set(ActionDisposable {
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signalDisposable?.dispose()
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})
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})
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}
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return ActionDisposable {
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if let requestId = requestId {
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PHImageManager.default().cancelImageRequest(requestId)
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}
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disposable.dispose()
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}
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}
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return throttlingContext.wrap(priority: .default, signal: signal)
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}
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func fetchLocalFileVideoMediaResource(account: Account, resource: LocalFileVideoMediaResource) -> Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError> {
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let signal = Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError> { subscriber in
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subscriber.putNext(.reset)
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var filteredPath = resource.path
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if filteredPath.hasPrefix("file://") {
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filteredPath = String(filteredPath[filteredPath.index(filteredPath.startIndex, offsetBy: "file://".count)])
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}
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let avAsset = AVURLAsset(url: URL(fileURLWithPath: filteredPath))
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var adjustments: TGVideoEditAdjustments?
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if let videoAdjustments = resource.adjustments {
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if let dict = NSKeyedUnarchiver.unarchiveObject(with: videoAdjustments.data.makeData()) as? [AnyHashable : Any] {
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adjustments = TGVideoEditAdjustments(dictionary: dict)
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}
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}
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let tempFile = EngineTempBox.shared.tempFile(fileName: "video.mp4")
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let updatedSize = Atomic<Int64>(value: 0)
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let entityRenderer: LegacyPaintEntityRenderer? = adjustments.flatMap { adjustments in
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if let paintingData = adjustments.paintingData, paintingData.hasAnimation {
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return LegacyPaintEntityRenderer(account: account, adjustments: adjustments)
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} else {
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return nil
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}
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}
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let signal: SSignal
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if filteredPath.contains(".jpg"), let entityRenderer = entityRenderer {
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if let data = try? Data(contentsOf: URL(fileURLWithPath: filteredPath), options: [.mappedRead]), let image = UIImage(data: data) {
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let durationSignal: SSignal = SSignal(generator: { subscriber in
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let disposable = (entityRenderer.duration()).start(next: { duration in
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subscriber.putNext(duration)
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subscriber.putCompletion()
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})
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return SBlockDisposable(block: {
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disposable.dispose()
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})
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})
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signal = durationSignal.map(toSignal: { duration -> SSignal in
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if let duration = duration as? Double {
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return TGMediaVideoConverter.renderUIImage(image, duration: duration, adjustments: adjustments, path: tempFile.path, watcher: VideoConversionWatcher(update: { path, size in
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var value = stat()
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if stat(path, &value) == 0 {
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if let data = try? Data(contentsOf: URL(fileURLWithPath: path), options: [.mappedRead]) {
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var range: Range<Int64>?
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let _ = updatedSize.modify { updatedSize in
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range = updatedSize ..< value.st_size
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return value.st_size
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}
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//print("size = \(Int(value.st_size)), range: \(range!)")
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subscriber.putNext(.dataPart(resourceOffset: range!.lowerBound, data: data, range: range!, complete: false))
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}
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}
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}), entityRenderer: entityRenderer)!
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} else {
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return SSignal.single(nil)
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}
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})
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} else {
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signal = SSignal.single(nil)
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}
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} else {
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signal = TGMediaVideoConverter.convert(avAsset, adjustments: adjustments, path: tempFile.path, watcher: VideoConversionWatcher(update: { path, size in
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var value = stat()
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if stat(path, &value) == 0 {
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if let data = try? Data(contentsOf: URL(fileURLWithPath: path), options: [.mappedRead]) {
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var range: Range<Int64>?
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let _ = updatedSize.modify { updatedSize in
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range = updatedSize ..< Int64(value.st_size)
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return value.st_size
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}
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//print("size = \(Int(value.st_size)), range: \(range!)")
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subscriber.putNext(.dataPart(resourceOffset: range!.lowerBound, data: data, range: range!, complete: false))
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}
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}
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}), entityRenderer: entityRenderer)!
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}
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let signalDisposable = signal.start(next: { next in
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if let result = next as? TGMediaVideoConversionResult {
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var value = stat()
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if stat(result.fileURL.path, &value) == 0 {
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// if config.remuxToFMp4 {
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// let tempFile = TempBox.shared.tempFile(fileName: "video.mp4")
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// if FFMpegRemuxer.remux(result.fileURL.path, to: tempFile.path) {
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// let _ = try? FileManager.default.removeItem(atPath: result.fileURL.path)
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// subscriber.putNext(.moveTempFile(file: tempFile))
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// } else {
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// TempBox.shared.dispose(tempFile)
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// subscriber.putNext(.moveLocalFile(path: result.fileURL.path))
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// }
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// } else {
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// subscriber.putNext(.moveLocalFile(path: result.fileURL.path))
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// }
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if let data = try? Data(contentsOf: result.fileURL, options: [.mappedRead]) {
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var range: Range<Int64>?
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let _ = updatedSize.modify { updatedSize in
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range = updatedSize ..< value.st_size
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return value.st_size
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}
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//print("finish size = \(Int(value.st_size)), range: \(range!)")
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subscriber.putNext(.dataPart(resourceOffset: range!.lowerBound, data: data, range: range!, complete: false))
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subscriber.putNext(.replaceHeader(data: data, range: 0 ..< 1024))
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subscriber.putNext(.dataPart(resourceOffset: 0, data: Data(), range: 0 ..< 0, complete: true))
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EngineTempBox.shared.dispose(tempFile)
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}
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}
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subscriber.putCompletion()
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}
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}, error: { _ in
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}, completed: nil)
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let disposable = ActionDisposable {
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signalDisposable?.dispose()
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}
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return ActionDisposable {
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disposable.dispose()
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}
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}
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return throttlingContext.wrap(priority: .default, signal: signal)
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}
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public func fetchVideoLibraryMediaResourceHash(resource: VideoLibraryMediaResource) -> Signal<Data?, NoError> {
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return Signal { subscriber in
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let fetchResult = PHAsset.fetchAssets(withLocalIdentifiers: [resource.localIdentifier], options: nil)
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var requestId: PHImageRequestID?
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let disposable = MetaDisposable()
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if fetchResult.count != 0 {
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let asset = fetchResult.object(at: 0)
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let option = PHVideoRequestOptions()
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option.isNetworkAccessAllowed = true
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option.deliveryMode = .highQualityFormat
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let alreadyReceivedAsset = Atomic<Bool>(value: false)
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requestId = PHImageManager.default().requestAVAsset(forVideo: asset, options: option, resultHandler: { avAsset, _, info in
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if avAsset == nil {
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subscriber.putNext(nil)
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subscriber.putCompletion()
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return
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}
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if alreadyReceivedAsset.swap(true) {
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return
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}
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var adjustments: TGVideoEditAdjustments?
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var isPassthrough = false
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switch resource.conversion {
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case .passthrough:
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isPassthrough = true
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adjustments = nil
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case let .compress(adjustmentsValue):
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if let adjustmentsValue = adjustmentsValue {
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if let dict = NSKeyedUnarchiver.unarchiveObject(with: adjustmentsValue.data.makeData()) as? [AnyHashable : Any] {
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adjustments = TGVideoEditAdjustments(dictionary: dict)
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}
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}
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}
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let signal = TGMediaVideoConverter.hash(for: avAsset, adjustments: adjustments)!
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let signalDisposable = signal.start(next: { next in
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if let next = next as? String, let data = next.data(using: .utf8) {
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var updatedData = data
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if isPassthrough {
|
|
updatedData.reverse()
|
|
}
|
|
#if DEBUG
|
|
if "".isEmpty {
|
|
subscriber.putNext(nil)
|
|
}
|
|
#endif
|
|
subscriber.putNext(updatedData)
|
|
} else {
|
|
subscriber.putNext(nil)
|
|
}
|
|
subscriber.putCompletion()
|
|
}, error: { _ in
|
|
}, completed: nil)
|
|
disposable.set(ActionDisposable {
|
|
signalDisposable?.dispose()
|
|
})
|
|
})
|
|
}
|
|
|
|
return ActionDisposable {
|
|
if let requestId = requestId {
|
|
PHImageManager.default().cancelImageRequest(requestId)
|
|
}
|
|
disposable.dispose()
|
|
}
|
|
}
|
|
}
|
|
|
|
func fetchLocalFileGifMediaResource(resource: LocalFileGifMediaResource) -> Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError> {
|
|
return Signal { subscriber in
|
|
subscriber.putNext(.reset)
|
|
|
|
let disposable = MetaDisposable()
|
|
if let data = try? Data(contentsOf: URL(fileURLWithPath: resource.path), options: Data.ReadingOptions.mappedIfSafe) {
|
|
let signal = TGGifConverter.convertGif(toMp4: data)!
|
|
let signalDisposable = signal.start(next: { next in
|
|
if let result = next as? NSDictionary, let path = result["path"] as? String {
|
|
var value = stat()
|
|
if stat(path, &value) == 0 {
|
|
subscriber.putNext(.moveLocalFile(path: path))
|
|
/*if let data = try? Data(contentsOf: result.fileURL, options: [.mappedRead]) {
|
|
var range: Range<Int>?
|
|
let _ = updatedSize.modify { updatedSize in
|
|
range = updatedSize ..< Int(value.st_size)
|
|
return Int(value.st_size)
|
|
}
|
|
//print("finish size = \(Int(value.st_size)), range: \(range!)")
|
|
subscriber.putNext(.dataPart(resourceOffset: range!.lowerBound, data: data, range: range!, complete: false))
|
|
subscriber.putNext(.replaceHeader(data: data, range: 0 ..< 1024))
|
|
subscriber.putNext(.dataPart(resourceOffset: 0, data: Data(), range: 0 ..< 0, complete: true))
|
|
}*/
|
|
}
|
|
subscriber.putCompletion()
|
|
}
|
|
}, error: { _ in
|
|
}, completed: nil)
|
|
|
|
disposable.set(ActionDisposable {
|
|
signalDisposable?.dispose()
|
|
})
|
|
}
|
|
|
|
return ActionDisposable {
|
|
disposable.dispose()
|
|
}
|
|
}
|
|
}
|