yattee/Model/Player/PlayerStreams.swift

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Swift
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import Foundation
import Siesta
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import SwiftUI
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extension PlayerModel {
var isLoadingAvailableStreams: Bool {
streamSelection.isNil || availableStreams.isEmpty
}
var isLoadingStream: Bool {
!stream.isNil && stream != streamSelection
}
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var availableStreamsSorted: [Stream] {
availableStreams.sorted(by: streamsSorter)
}
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func loadAvailableStreams(_ video: Video) {
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availableStreams = []
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guard let playerInstance else { return }
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logger.info("loading streams from \(playerInstance.description)")
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fetchStreams(playerAPI.video(video.videoID), instance: playerInstance, video: video)
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}
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private func fetchStreams(
_ resource: Resource,
instance: Instance,
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video: Video,
onCompletion: @escaping (ResponseInfo) -> Void = { _ in }
) {
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resource
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.load()
.onSuccess { response in
if let video: Video = response.typedContent() {
guard video == self.currentVideo else {
self.logger.info("ignoring loaded streams from \(instance.description) as current video has changed")
return
}
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self.availableStreams += self.streamsWithInstance(instance: instance, streams: video.streams)
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} else {
self.logger.critical("no streams available from \(instance.description)")
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}
}
.onCompletion(onCompletion)
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.onFailure { [weak self] responseError in
self?.navigation.presentAlert(title: "Could not load streams", message: responseError.userMessage)
self?.videoBeingOpened = nil
}
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}
func streamsWithInstance(instance: Instance, streams: [Stream]) -> [Stream] {
streams.map { stream in
stream.instance = instance
if instance.app == .invidious, instance.proxiesVideos {
if let audio = stream.audioAsset {
stream.audioAsset = InvidiousAPI.proxiedAsset(instance: instance, asset: audio)
}
if let video = stream.videoAsset {
stream.videoAsset = InvidiousAPI.proxiedAsset(instance: instance, asset: video)
}
}
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return stream
}
}
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func streamsSorter(_ lhs: Stream, _ rhs: Stream) -> Bool {
if lhs.resolution.isNil || rhs.resolution.isNil {
return lhs.kind < rhs.kind
}
return lhs.kind == rhs.kind ? (lhs.resolution.height > rhs.resolution.height) : (lhs.kind < rhs.kind)
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}
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}