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Implement optional cached resource data streaming

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This commit is contained in:
Ali
2019-12-24 20:22:38 +04:00
parent 2ec22db1ff
commit e868873425
9 changed files with 233 additions and 79 deletions
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50
submodules/TelegramAnimatedStickerNode/Sources/AnimatedStickerUtils.swift
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@@ -183,13 +183,12 @@ private let threadPool: ThreadPool = {
}()
@available(iOS 9.0, *)
public func experimentalConvertCompressedLottieToCombinedMp4(data: Data, size: CGSize, fitzModifier: EmojiFitzModifier? = nil, cacheKey: String) -> Signal<String, NoError> {
public func experimentalConvertCompressedLottieToCombinedMp4(data: Data, size: CGSize, fitzModifier: EmojiFitzModifier? = nil, cacheKey: String) -> Signal<Data, NoError> {
return Signal({ subscriber in
let cancelled = Atomic<Bool>(value: false)
threadPool.addTask(ThreadPoolTask({ _ in
if cancelled.with({ $0 }) {
//print("cancelled 1")
return
}
@@ -206,12 +205,6 @@ public func experimentalConvertCompressedLottieToCombinedMp4(data: Data, size: C
let endFrame = Int(player.frameCount)
if cancelled.with({ $0 }) {
//print("cancelled 2")
return
}
let path = NSTemporaryDirectory() + "\(arc4random64()).lz4v"
guard let fileContext = ManagedFile(queue: nil, path: path, mode: .readwrite) else {
return
}
@@ -219,16 +212,19 @@ public func experimentalConvertCompressedLottieToCombinedMp4(data: Data, size: C
var currentFrame: Int32 = 0
let writeBuffer = WriteBuffer()
var numberOfFramesCommitted = 0
var fps: Int32 = player.frameRate
var frameCount: Int32 = player.frameCount
let _ = fileContext.write(&fps, count: 4)
let _ = fileContext.write(&frameCount, count: 4)
writeBuffer.write(&fps, length: 4)
writeBuffer.write(&frameCount, length: 4)
var widthValue: Int32 = Int32(size.width)
var heightValue: Int32 = Int32(size.height)
var bytesPerRowValue: Int32 = Int32(bytesPerRow)
let _ = fileContext.write(&widthValue, count: 4)
let _ = fileContext.write(&heightValue, count: 4)
let _ = fileContext.write(&bytesPerRowValue, count: 4)
writeBuffer.write(&widthValue, length: 4)
writeBuffer.write(&heightValue, length: 4)
writeBuffer.write(&bytesPerRowValue, length: 4)
let frameLength = bytesPerRow * Int(size.height)
assert(frameLength % 16 == 0)
@@ -262,7 +258,6 @@ public func experimentalConvertCompressedLottieToCombinedMp4(data: Data, size: C
while currentFrame < endFrame {
if cancelled.with({ $0 }) {
//print("cancelled 3")
return
}
@@ -298,8 +293,8 @@ public func experimentalConvertCompressedLottieToCombinedMp4(data: Data, size: C
compressedFrameData.withUnsafeMutableBytes { (bytes: UnsafeMutablePointer<UInt8>) -> Void in
let length = compression_encode_buffer(bytes, compressedFrameDataLength, previousYuvaFrameData.assumingMemoryBound(to: UInt8.self), yuvaLength, scratchData, COMPRESSION_LZFSE)
var frameLengthValue: Int32 = Int32(length)
let _ = fileContext.write(&frameLengthValue, count: 4)
let _ = fileContext.write(bytes, count: length)
writeBuffer.write(&frameLengthValue, length: 4)
writeBuffer.write(bytes, length: length)
}
let tmp = previousYuvaFrameData
@@ -309,16 +304,33 @@ public func experimentalConvertCompressedLottieToCombinedMp4(data: Data, size: C
compressionTime += CACurrentMediaTime() - compressionStartTime
currentFrame += 1
numberOfFramesCommitted += 1
if numberOfFramesCommitted >= 5 {
numberOfFramesCommitted = 0
subscriber.putNext(writeBuffer.makeData())
writeBuffer.reset()
/*#if DEBUG
usleep(500000)
#endif*/
}
}
if writeBuffer.length != 0 {
subscriber.putNext(writeBuffer.makeData())
}
subscriber.putNext(path)
subscriber.putCompletion()
print("animation render time \(CACurrentMediaTime() - startTime)")
/*print("animation render time \(CACurrentMediaTime() - startTime)")
print("of which drawing time \(drawingTime)")
print("of which appending time \(appendingTime)")
print("of which delta time \(deltaTime)")
print("of which compression time \(compressionTime)")
print("of which compression time \(compressionTime)")*/
}
}
}))