mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-08-08 08:31:13 +00:00
328 lines
15 KiB
Swift
328 lines
15 KiB
Swift
import Foundation
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import UIKit
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import SwiftSignalKit
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import Postbox
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import Display
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import TelegramCore
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import AVFoundation
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import Lottie
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import TelegramUIPrivateModule
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import Compression
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import GZip
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import RLottie
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import MobileCoreServices
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public struct LocalBundleResourceId: MediaResourceId {
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public let name: String
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public let ext: String
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public var uniqueId: String {
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return "local-bundle-\(self.name)-\(self.ext)"
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}
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public var hashValue: Int {
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return self.name.hashValue
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}
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public func isEqual(to: MediaResourceId) -> Bool {
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if let to = to as? LocalBundleResourceId {
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return self.name == to.name && self.ext == to.ext
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} else {
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return false
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}
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}
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}
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public class LocalBundleResource: TelegramMediaResource {
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public let name: String
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public let ext: String
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public init(name: String, ext: String) {
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self.name = name
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self.ext = ext
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}
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public required init(decoder: PostboxDecoder) {
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self.name = decoder.decodeStringForKey("n", orElse: "")
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self.ext = decoder.decodeStringForKey("e", orElse: "")
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}
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public func encode(_ encoder: PostboxEncoder) {
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encoder.encodeString(self.name, forKey: "n")
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encoder.encodeString(self.ext, forKey: "e")
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}
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public var id: MediaResourceId {
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return LocalBundleResourceId(name: self.name, ext: self.ext)
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}
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public func isEqual(to: MediaResource) -> Bool {
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if let to = to as? LocalBundleResource {
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return self.name == to.name && self.ext == to.ext
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} else {
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return false
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}
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}
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}
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func fetchCompressedLottieFirstFrameAJpeg(data: Data, size: CGSize, cacheKey: String) -> Signal<TempBoxFile, NoError> {
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return Signal({ subscriber in
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let queue = Queue()
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let cancelled = Atomic<Bool>(value: false)
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queue.async {
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if cancelled.with({ $0 }) {
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return
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}
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let decompressedData = TGGUnzipData(data, 8 * 1024 * 1024)
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if let decompressedData = decompressedData, let player = LottieInstance(data: decompressedData, cacheKey: cacheKey) {
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if cancelled.with({ $0 }) {
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return
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}
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let context = DrawingContext(size: size, scale: 1.0, clear: true)
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player.renderFrame(with: 0, into: context.bytes.assumingMemoryBound(to: UInt8.self), width: Int32(size.width), height: Int32(size.height), bytesPerRow: Int32(context.bytesPerRow))
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let yuvaPixelsPerAlphaRow = (Int(size.width) + 1) & (~1)
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assert(yuvaPixelsPerAlphaRow % 2 == 0)
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let yuvaLength = Int(size.width) * Int(size.height) * 2 + yuvaPixelsPerAlphaRow * Int(size.height) / 2
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var yuvaFrameData = malloc(yuvaLength)!
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memset(yuvaFrameData, 0, yuvaLength)
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defer {
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free(yuvaFrameData)
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}
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encodeRGBAToYUVA(yuvaFrameData.assumingMemoryBound(to: UInt8.self), context.bytes.assumingMemoryBound(to: UInt8.self), Int32(size.width), Int32(size.height), Int32(context.bytesPerRow))
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decodeYUVAToRGBA(yuvaFrameData.assumingMemoryBound(to: UInt8.self), context.bytes.assumingMemoryBound(to: UInt8.self), Int32(size.width), Int32(size.height), Int32(context.bytesPerRow))
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if let colorSourceImage = context.generateImage(), let alphaImage = generateGrayscaleAlphaMaskImage(image: colorSourceImage) {
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let colorContext = DrawingContext(size: size, scale: 1.0, clear: false)
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colorContext.withFlippedContext { c in
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c.setFillColor(UIColor.black.cgColor)
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c.fill(CGRect(origin: CGPoint(), size: size))
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c.draw(colorSourceImage.cgImage!, in: CGRect(origin: CGPoint(), size: size))
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}
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guard let colorImage = colorContext.generateImage() else {
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return
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}
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let colorData = NSMutableData()
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let alphaData = NSMutableData()
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if let colorDestination = CGImageDestinationCreateWithData(colorData as CFMutableData, kUTTypeJPEG, 1, nil), let alphaDestination = CGImageDestinationCreateWithData(alphaData as CFMutableData, kUTTypeJPEG, 1, nil) {
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CGImageDestinationSetProperties(colorDestination, [:] as CFDictionary)
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CGImageDestinationSetProperties(alphaDestination, [:] as CFDictionary)
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let colorQuality: Float
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let alphaQuality: Float
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colorQuality = 0.5
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alphaQuality = 0.4
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let options = NSMutableDictionary()
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options.setObject(colorQuality as NSNumber, forKey: kCGImageDestinationLossyCompressionQuality as NSString)
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let optionsAlpha = NSMutableDictionary()
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optionsAlpha.setObject(alphaQuality as NSNumber, forKey: kCGImageDestinationLossyCompressionQuality as NSString)
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CGImageDestinationAddImage(colorDestination, colorImage.cgImage!, options as CFDictionary)
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CGImageDestinationAddImage(alphaDestination, alphaImage.cgImage!, optionsAlpha as CFDictionary)
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if CGImageDestinationFinalize(colorDestination) && CGImageDestinationFinalize(alphaDestination) {
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let finalData = NSMutableData()
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var colorSize: Int32 = Int32(colorData.length)
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finalData.append(&colorSize, length: 4)
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finalData.append(colorData as Data)
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var alphaSize: Int32 = Int32(alphaData.length)
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finalData.append(&alphaSize, length: 4)
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finalData.append(alphaData as Data)
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let tempFile = TempBox.shared.tempFile(fileName: "image.ajpg")
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let _ = try? finalData.write(to: URL(fileURLWithPath: tempFile.path), options: [])
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subscriber.putNext(tempFile)
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subscriber.putCompletion()
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}
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}
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}
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}
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}
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return ActionDisposable {
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let _ = cancelled.swap(true)
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}
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})
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}
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private let threadPool: ThreadPool = {
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return ThreadPool(threadCount: 3, threadPriority: 0.5)
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}()
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@available(iOS 9.0, *)
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func experimentalConvertCompressedLottieToCombinedMp4(data: Data, size: CGSize, cacheKey: String) -> Signal<String, NoError> {
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return Signal({ subscriber in
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let cancelled = Atomic<Bool>(value: false)
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threadPool.addTask(ThreadPoolTask({ _ in
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if cancelled.with({ $0 }) {
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//print("cancelled 1")
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return
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}
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let startTime = CACurrentMediaTime()
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var drawingTime: Double = 0
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var appendingTime: Double = 0
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var deltaTime: Double = 0
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var compressionTime: Double = 0
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let decompressedData = TGGUnzipData(data, 8 * 1024 * 1024)
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if let decompressedData = decompressedData, let player = LottieInstance(data: decompressedData, cacheKey: cacheKey) {
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let endFrame = Int(player.frameCount)
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if cancelled.with({ $0 }) {
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//print("cancelled 2")
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return
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}
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var randomId: Int64 = 0
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arc4random_buf(&randomId, 8)
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let path = NSTemporaryDirectory() + "\(randomId).lz4v"
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guard let fileContext = ManagedFile(queue: nil, path: path, mode: .readwrite) else {
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return
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}
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let bytesPerRow = (4 * Int(size.width) + 15) & (~15)
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var currentFrame: Int32 = 0
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var fps: Int32 = player.frameRate
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let _ = fileContext.write(&fps, count: 4)
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var widthValue: Int32 = Int32(size.width)
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var heightValue: Int32 = Int32(size.height)
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var bytesPerRowValue: Int32 = Int32(bytesPerRow)
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let _ = fileContext.write(&widthValue, count: 4)
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let _ = fileContext.write(&heightValue, count: 4)
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let _ = fileContext.write(&bytesPerRowValue, count: 4)
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let frameLength = bytesPerRow * Int(size.height)
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assert(frameLength % 16 == 0)
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let currentFrameData = malloc(frameLength)!
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memset(currentFrameData, 0, frameLength)
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let yuvaPixelsPerAlphaRow = (Int(size.width) + 1) & (~1)
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assert(yuvaPixelsPerAlphaRow % 2 == 0)
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let yuvaLength = Int(size.width) * Int(size.height) * 2 + yuvaPixelsPerAlphaRow * Int(size.height) / 2
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var yuvaFrameData = malloc(yuvaLength)!
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memset(yuvaFrameData, 0, yuvaLength)
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var previousYuvaFrameData = malloc(yuvaLength)!
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memset(previousYuvaFrameData, 0, yuvaLength)
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defer {
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free(currentFrameData)
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free(previousYuvaFrameData)
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free(yuvaFrameData)
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}
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var compressedFrameData = Data(count: frameLength)
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let compressedFrameDataLength = compressedFrameData.count
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let scratchData = malloc(compression_encode_scratch_buffer_size(COMPRESSION_LZFSE))!
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defer {
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free(scratchData)
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}
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while currentFrame < endFrame {
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if cancelled.with({ $0 }) {
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//print("cancelled 3")
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return
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}
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let drawStartTime = CACurrentMediaTime()
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memset(currentFrameData, 0, frameLength)
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player.renderFrame(with: Int32(currentFrame), into: currentFrameData.assumingMemoryBound(to: UInt8.self), width: Int32(size.width), height: Int32(size.height), bytesPerRow: Int32(bytesPerRow))
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drawingTime += CACurrentMediaTime() - drawStartTime
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let appendStartTime = CACurrentMediaTime()
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encodeRGBAToYUVA(yuvaFrameData.assumingMemoryBound(to: UInt8.self), currentFrameData.assumingMemoryBound(to: UInt8.self), Int32(size.width), Int32(size.height), Int32(bytesPerRow))
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appendingTime += CACurrentMediaTime() - appendStartTime
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let deltaStartTime = CACurrentMediaTime()
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var lhs = previousYuvaFrameData.assumingMemoryBound(to: UInt64.self)
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var rhs = yuvaFrameData.assumingMemoryBound(to: UInt64.self)
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for _ in 0 ..< yuvaLength / 8 {
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lhs.pointee = rhs.pointee ^ lhs.pointee
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lhs = lhs.advanced(by: 1)
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rhs = rhs.advanced(by: 1)
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}
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var lhsRest = previousYuvaFrameData.assumingMemoryBound(to: UInt8.self).advanced(by: (yuvaLength / 8) * 8)
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var rhsRest = yuvaFrameData.assumingMemoryBound(to: UInt8.self).advanced(by: (yuvaLength / 8) * 8)
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for _ in (yuvaLength / 8) * 8 ..< yuvaLength {
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lhsRest.pointee = rhsRest.pointee ^ lhsRest.pointee
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lhsRest = lhsRest.advanced(by: 1)
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rhsRest = rhsRest.advanced(by: 1)
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}
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deltaTime += CACurrentMediaTime() - deltaStartTime
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let compressionStartTime = CACurrentMediaTime()
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compressedFrameData.withUnsafeMutableBytes { (bytes: UnsafeMutablePointer<UInt8>) -> Void in
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let length = compression_encode_buffer(bytes, compressedFrameDataLength, previousYuvaFrameData.assumingMemoryBound(to: UInt8.self), yuvaLength, scratchData, COMPRESSION_LZFSE)
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var frameLengthValue: Int32 = Int32(length)
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let _ = fileContext.write(&frameLengthValue, count: 4)
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let _ = fileContext.write(bytes, count: length)
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}
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let tmp = previousYuvaFrameData
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previousYuvaFrameData = yuvaFrameData
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yuvaFrameData = tmp
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compressionTime += CACurrentMediaTime() - compressionStartTime
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currentFrame += 1
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}
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subscriber.putNext(path)
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subscriber.putCompletion()
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print("animation render time \(CACurrentMediaTime() - startTime)")
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print("of which drawing time \(drawingTime)")
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print("of which appending time \(appendingTime)")
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print("of which delta time \(deltaTime)")
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print("of which compression time \(compressionTime)")
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}
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}))
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return ActionDisposable {
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let _ = cancelled.swap(true)
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}
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})
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}
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private final class LocalBundleResourceCopyFile : MediaResourceDataFetchCopyLocalItem {
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let path: String
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init(path: String) {
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self.path = path
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}
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func copyTo(url: URL) -> Bool {
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do {
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try FileManager.default.copyItem(at: URL(fileURLWithPath: self.path), to: url)
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return true
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} catch {
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return false
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}
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}
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}
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func fetchLocalBundleResource(postbox: Postbox, resource: LocalBundleResource) -> Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError> {
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return Signal { subscriber in
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if let path = frameworkBundle.path(forResource: resource.name, ofType: resource.ext), let _ = try? Data(contentsOf: URL(fileURLWithPath: path), options: [.mappedRead]) {
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subscriber.putNext(.copyLocalItem(LocalBundleResourceCopyFile(path: path)))
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subscriber.putCompletion()
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}
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return EmptyDisposable
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}
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}
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