mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
330 lines
15 KiB
Swift
330 lines
15 KiB
Swift
import Foundation
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import AVFoundation
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import UIKit
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import CoreImage
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import Metal
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import MetalKit
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import Display
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import SwiftSignalKit
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import TelegramCore
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import AnimatedStickerNode
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import TelegramAnimatedStickerNode
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import YuvConversion
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import StickerResources
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func composerEntityForDrawingEntity(account: Account, entity: DrawingEntity, colorSpace: CGColorSpace) -> MediaEditorComposerEntity? {
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if let entity = entity as? DrawingStickerEntity {
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let content: MediaEditorComposerStickerEntity.Content
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switch entity.content {
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case let .file(file):
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content = .file(file)
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case let .image(image):
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content = .image(image)
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}
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return MediaEditorComposerStickerEntity(account: account, content: content, position: entity.position, scale: entity.scale, rotation: entity.rotation, baseSize: entity.baseSize, mirrored: entity.mirrored, colorSpace: colorSpace)
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} else if let renderImage = entity.renderImage, let image = CIImage(image: renderImage, options: [.colorSpace: colorSpace]) {
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if let entity = entity as? DrawingBubbleEntity {
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return MediaEditorComposerStaticEntity(image: image, position: entity.position, scale: 1.0, rotation: entity.rotation, baseSize: entity.size, mirrored: false)
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} else if let entity = entity as? DrawingSimpleShapeEntity {
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return MediaEditorComposerStaticEntity(image: image, position: entity.position, scale: 1.0, rotation: entity.rotation, baseSize: entity.size, mirrored: false)
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} else if let entity = entity as? DrawingVectorEntity {
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return MediaEditorComposerStaticEntity(image: image, position: CGPoint(x: entity.drawingSize.width * 0.5, y: entity.drawingSize.height * 0.5), scale: 1.0, rotation: 0.0, baseSize: entity.drawingSize, mirrored: false)
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} else if let entity = entity as? DrawingTextEntity {
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return MediaEditorComposerStaticEntity(image: image, position: entity.position, scale: entity.scale, rotation: entity.rotation, baseSize: nil, mirrored: false)
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}
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}
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return nil
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}
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private class MediaEditorComposerStaticEntity: MediaEditorComposerEntity {
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let image: CIImage
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let position: CGPoint
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let scale: CGFloat
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let rotation: CGFloat
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let baseSize: CGSize?
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let mirrored: Bool
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init(image: CIImage, position: CGPoint, scale: CGFloat, rotation: CGFloat, baseSize: CGSize?, mirrored: Bool) {
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self.image = image
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self.position = position
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self.scale = scale
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self.rotation = rotation
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self.baseSize = baseSize
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self.mirrored = mirrored
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}
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func image(for time: CMTime, frameRate: Float, completion: @escaping (CIImage?) -> Void) {
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completion(self.image)
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}
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}
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private class MediaEditorComposerStickerEntity: MediaEditorComposerEntity {
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public enum Content {
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case file(TelegramMediaFile)
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case image(UIImage)
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var file: TelegramMediaFile? {
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if case let .file(file) = self {
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return file
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}
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return nil
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}
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}
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let content: Content
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let position: CGPoint
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let scale: CGFloat
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let rotation: CGFloat
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let baseSize: CGSize?
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let mirrored: Bool
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let colorSpace: CGColorSpace
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var isAnimated: Bool
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var source: AnimatedStickerNodeSource?
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var frameSource = Promise<QueueLocalObject<AnimatedStickerDirectFrameSource>?>()
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var videoFrameSource = Promise<QueueLocalObject<VideoStickerDirectFrameSource>?>()
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var isVideo = false
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var frameCount: Int?
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var frameRate: Int?
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var currentFrameIndex: Int?
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var totalDuration: Double?
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let durationPromise = Promise<Double>()
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let queue = Queue()
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let disposables = DisposableSet()
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var image: CIImage?
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var imagePixelBuffer: CVPixelBuffer?
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let imagePromise = Promise<UIImage>()
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init(account: Account, content: Content, position: CGPoint, scale: CGFloat, rotation: CGFloat, baseSize: CGSize, mirrored: Bool, colorSpace: CGColorSpace) {
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self.content = content
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self.position = position
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self.scale = scale
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self.rotation = rotation
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self.baseSize = baseSize
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self.mirrored = mirrored
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self.colorSpace = colorSpace
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switch content {
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case let .file(file):
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if file.isAnimatedSticker || file.isVideoSticker || file.mimeType == "video/webm" {
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self.isAnimated = true
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self.isVideo = file.isVideoSticker || file.mimeType == "video/webm"
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self.source = AnimatedStickerResourceSource(account: account, resource: file.resource, isVideo: isVideo)
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let pathPrefix = account.postbox.mediaBox.shortLivedResourceCachePathPrefix(file.resource.id)
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if let source = self.source {
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let dimensions = file.dimensions ?? PixelDimensions(width: 512, height: 512)
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let fittedDimensions = dimensions.cgSize.aspectFitted(CGSize(width: 384, height: 384))
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self.disposables.add((source.directDataPath(attemptSynchronously: true)
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|> deliverOn(self.queue)).start(next: { [weak self] path in
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if let strongSelf = self, let path {
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if let data = try? Data(contentsOf: URL(fileURLWithPath: path), options: [.mappedRead]) {
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let queue = strongSelf.queue
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if strongSelf.isVideo {
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let frameSource = QueueLocalObject<VideoStickerDirectFrameSource>(queue: queue, generate: {
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return VideoStickerDirectFrameSource(queue: queue, path: path, width: Int(fittedDimensions.width), height: Int(fittedDimensions.height), cachePathPrefix: pathPrefix, unpremultiplyAlpha: false)!
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})
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frameSource.syncWith { frameSource in
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strongSelf.frameCount = frameSource.frameCount
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strongSelf.frameRate = frameSource.frameRate
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let duration = Double(frameSource.frameCount) / Double(frameSource.frameRate)
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strongSelf.totalDuration = duration
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strongSelf.durationPromise.set(.single(duration))
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}
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strongSelf.videoFrameSource.set(.single(frameSource))
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} else {
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let frameSource = QueueLocalObject<AnimatedStickerDirectFrameSource>(queue: queue, generate: {
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return AnimatedStickerDirectFrameSource(queue: queue, data: data, width: Int(fittedDimensions.width), height: Int(fittedDimensions.height), cachePathPrefix: pathPrefix, useMetalCache: false, fitzModifier: nil)!
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})
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frameSource.syncWith { frameSource in
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strongSelf.frameCount = frameSource.frameCount
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strongSelf.frameRate = frameSource.frameRate
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let duration = Double(frameSource.frameCount) / Double(frameSource.frameRate)
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strongSelf.totalDuration = duration
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strongSelf.durationPromise.set(.single(duration))
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}
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strongSelf.frameSource.set(.single(frameSource))
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}
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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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self.isAnimated = false
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self.disposables.add((chatMessageSticker(account: account, userLocation: .other, file: file, small: false, fetched: true, onlyFullSize: true, thumbnail: false, synchronousLoad: false, colorSpace: self.colorSpace)
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|> deliverOn(self.queue)).start(next: { [weak self] generator in
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if let self {
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let context = generator(TransformImageArguments(corners: ImageCorners(), imageSize: baseSize, boundingSize: baseSize, intrinsicInsets: UIEdgeInsets()))
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let image = context?.generateImage(colorSpace: self.colorSpace)
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if let image {
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self.imagePromise.set(.single(image))
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}
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}
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}))
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}
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case let .image(image):
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self.isAnimated = false
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self.imagePromise.set(.single(image))
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}
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}
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deinit {
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self.disposables.dispose()
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}
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var tested = false
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func image(for time: CMTime, frameRate: Float, completion: @escaping (CIImage?) -> Void) {
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if self.isAnimated {
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let currentTime = CMTimeGetSeconds(time)
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var tintColor: UIColor?
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if let file = self.content.file, file.isCustomTemplateEmoji {
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tintColor = .white
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}
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self.disposables.add((self.frameSource.get()
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|> take(1)
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|> deliverOn(self.queue)).start(next: { [weak self] frameSource in
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guard let strongSelf = self else {
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completion(nil)
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return
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}
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guard let frameSource, let duration = strongSelf.totalDuration, let frameCount = strongSelf.frameCount else {
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completion(nil)
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return
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}
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let relativeTime = currentTime - floor(currentTime / duration) * duration
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var t = relativeTime / duration
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t = max(0.0, t)
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t = min(1.0, t)
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let startFrame: Double = 0
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let endFrame = Double(frameCount)
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let frameOffset = Int(Double(startFrame) * (1.0 - t) + Double(endFrame - 1) * t)
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let lowerBound: Int = 0
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let upperBound = frameCount - 1
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let frameIndex = max(lowerBound, min(upperBound, frameOffset))
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let currentFrameIndex = strongSelf.currentFrameIndex
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if currentFrameIndex != frameIndex {
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let previousFrameIndex = currentFrameIndex
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strongSelf.currentFrameIndex = frameIndex
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var delta = 1
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if let previousFrameIndex = previousFrameIndex {
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delta = max(1, frameIndex - previousFrameIndex)
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}
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var frame: AnimatedStickerFrame?
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frameSource.syncWith { frameSource in
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for i in 0 ..< delta {
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frame = frameSource.takeFrame(draw: i == delta - 1)
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}
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}
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if let frame {
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var imagePixelBuffer: CVPixelBuffer?
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if let pixelBuffer = strongSelf.imagePixelBuffer {
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imagePixelBuffer = pixelBuffer
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} else {
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let ioSurfaceProperties = NSMutableDictionary()
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let options = NSMutableDictionary()
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options.setObject(ioSurfaceProperties, forKey: kCVPixelBufferIOSurfacePropertiesKey as NSString)
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var pixelBuffer: CVPixelBuffer?
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CVPixelBufferCreate(
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kCFAllocatorDefault,
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frame.width,
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frame.height,
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kCVPixelFormatType_32BGRA,
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options,
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&pixelBuffer
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)
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imagePixelBuffer = pixelBuffer
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strongSelf.imagePixelBuffer = pixelBuffer
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}
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if let imagePixelBuffer {
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let image = render(width: frame.width, height: frame.height, bytesPerRow: frame.bytesPerRow, data: frame.data, type: frame.type, pixelBuffer: imagePixelBuffer, tintColor: tintColor)
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strongSelf.image = image
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}
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completion(strongSelf.image)
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} else {
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completion(nil)
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}
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} else {
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completion(strongSelf.image)
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}
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}))
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} else {
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var image: CIImage?
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if let cachedImage = self.image {
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image = cachedImage
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completion(image)
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} else {
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let _ = (self.imagePromise.get()
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|> take(1)
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|> deliverOn(self.queue)).start(next: { [weak self] image in
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if let self {
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self.image = CIImage(image: image, options: [.colorSpace: self.colorSpace])
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completion(self.image)
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}
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})
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}
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}
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}
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}
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protocol MediaEditorComposerEntity {
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var position: CGPoint { get }
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var scale: CGFloat { get }
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var rotation: CGFloat { get }
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var baseSize: CGSize? { get }
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var mirrored: Bool { get }
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func image(for time: CMTime, frameRate: Float, completion: @escaping (CIImage?) -> Void)
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}
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private func render(width: Int, height: Int, bytesPerRow: Int, data: Data, type: AnimationRendererFrameType, pixelBuffer: CVPixelBuffer, tintColor: UIColor?) -> CIImage? {
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//let calculatedBytesPerRow = (4 * Int(width) + 31) & (~31)
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//assert(bytesPerRow == calculatedBytesPerRow)
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CVPixelBufferLockBaseAddress(pixelBuffer, CVPixelBufferLockFlags(rawValue: 0))
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let dest = CVPixelBufferGetBaseAddress(pixelBuffer)
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switch type {
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case .yuva:
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data.withUnsafeBytes { buffer -> Void in
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guard let bytes = buffer.baseAddress?.assumingMemoryBound(to: UInt8.self) else {
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return
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}
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decodeYUVAToRGBA(bytes, dest, Int32(width), Int32(height), Int32(width * 4))
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}
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case .argb:
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data.withUnsafeBytes { buffer -> Void in
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guard let bytes = buffer.baseAddress?.assumingMemoryBound(to: UInt8.self) else {
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return
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}
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memcpy(dest, bytes, data.count)
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}
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case .dct:
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break
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}
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CVPixelBufferUnlockBaseAddress(pixelBuffer, CVPixelBufferLockFlags(rawValue: 0))
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return CIImage(cvPixelBuffer: pixelBuffer, options: [.colorSpace: deviceColorSpace])
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}
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