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Fix stuck frames while scrubbing video

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This commit is contained in:
Peter 2019-07-25 18:02:02 +01:00
parent 209319ec23
commit db4aa60e6e
3 changed files with 25 additions and 24 deletions
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36
submodules/MediaPlayer/Sources/MediaPlayerFramePreview.swift
View File

@ -63,26 +63,28 @@ private final class MediaPlayerFramePreviewImpl {
let takeDisposable = MetaDisposable()
let disposable = (self.context.get()
|> take(1)).start(next: { [weak self] context in
queue.async {
queue.justDispatch {
guard context.queue === queue else {
return
}
context.with { context in
let disposable = context.source.takeFrame(at: timestamp).start(next: { result in
guard let strongSelf = self else {
return
}
switch result {
case .waitingForData:
strongSelf.framePipe.putNext(.waitingForData)
case let .image(image):
if let image = image {
strongSelf.framePipe.putNext(.image(image))
queue.async {
guard let strongSelf = self else {
return
}
strongSelf.currentFrameTimestamp = nil
if let nextFrameTimestamp = strongSelf.nextFrameTimestamp {
strongSelf.nextFrameTimestamp = nil
strongSelf.generateFrame(at: nextFrameTimestamp)
switch result {
case .waitingForData:
strongSelf.framePipe.putNext(.waitingForData)
case let .image(image):
if let image = image {
strongSelf.framePipe.putNext(.image(image))
}
strongSelf.currentFrameTimestamp = nil
if let nextFrameTimestamp = strongSelf.nextFrameTimestamp {
strongSelf.nextFrameTimestamp = nil
strongSelf.generateFrame(at: nextFrameTimestamp)
}
}
}
})
@ -91,8 +93,10 @@ private final class MediaPlayerFramePreviewImpl {
}
})
self.currentFrameDisposable.set(ActionDisposable {
takeDisposable.dispose()
disposable.dispose()
queue.async {
takeDisposable.dispose()
disposable.dispose()
}
})
}

10
submodules/MediaPlayer/Sources/UniversalSoftwareVideoSource.swift
View File

@ -249,11 +249,11 @@ private final class UniversalSoftwareVideoSourceImpl {
self.currentNumberOfReads = 0
self.currentReadBytes = 0
for i in 0 ..< 10 {
for _ in 0 ..< 10 {
let (decodableFrame, loop) = self.readDecodableFrame()
if let decodableFrame = decodableFrame {
if let renderedFrame = videoStream.decoder.render(frame: decodableFrame) {
print("Frame rendered in \(self.currentNumberOfReads) reads, \(self.currentReadBytes) bytes, total frames read: \(i + 1)")
//print("Frame rendered in \(self.currentNumberOfReads) reads, \(self.currentReadBytes) bytes, total frames read: \(i + 1)")
return (renderedFrame, CGFloat(videoStream.rotationAngle), CGFloat(videoStream.aspect), loop)
}
}
@ -332,11 +332,11 @@ private final class UniversalSoftwareVideoSourceThread: NSObject {
source.cancelRead = params.cancel
source.requiredDataIsNotLocallyAvailable = params.requiredDataIsNotLocallyAvailable
source.state.set(.generatingFrame)
let startTime = CFAbsoluteTimeGetCurrent()
let image = source.readImage(at: params.timestamp).0
params.completion(image)
source.cancelRead = .single(false)
source.requiredDataIsNotLocallyAvailable = nil
source.state.set(.ready)
print("take frame: \(CFAbsoluteTimeGetCurrent() - startTime) s")
params.completion(image)
}
}

3
submodules/TelegramCore/TelegramCore/MultipartFetch.swift
View File

@ -605,9 +605,6 @@ private final class MultipartFetchManager {
while 1024 * 1024 % downloadRange.count != 0 {
downloadRange = downloadRange.lowerBound ..< (downloadRange.upperBound - 1)
}
if case .maximum = priority {
print("fetch maximum \(downloadRange.lowerBound), \(downloadRange.count)")
}
var intervalIndexSet = IndexSet(integersIn: intervalsToFetch[currentIntervalIndex].0)
intervalIndexSet.remove(integersIn: downloadRange)