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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
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@@ -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()
}
})
}