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Merge pull request #330 from clappr/feature/playback_bitrate
Move playback bitrate logic
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52 changes: 52 additions & 0 deletions
52
Sources/Clappr/Classes/Extension/AVFoundationPlayback+DVR.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| import AVFoundation | ||
|
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| extension AVFoundationPlayback { | ||
| open override var minDvrSize: Double { | ||
| return options[kMinDvrSize] as? Double ?? 60.0 | ||
| } | ||
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| open override var isDvrInUse: Bool { | ||
| if state == .paused && isDvrAvailable { return true } | ||
| guard let end = dvrWindowEnd, playbackType == .live else { return false } | ||
| guard let currentTime = player?.currentTime().seconds else { return false } | ||
| return end - liveHeadTolerance > currentTime | ||
| } | ||
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| open override var isDvrAvailable: Bool { | ||
| guard playbackType == .live else { return false } | ||
| return duration >= minDvrSize | ||
| } | ||
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| open override var currentDate: Date? { | ||
| return player?.currentItem?.currentDate() | ||
| } | ||
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| open override var seekableTimeRanges: [NSValue] { | ||
| guard let ranges = player?.currentItem?.seekableTimeRanges else { return [] } | ||
| return ranges | ||
| } | ||
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| open override var loadedTimeRanges: [NSValue] { | ||
| guard let ranges = player?.currentItem?.loadedTimeRanges else { return [] } | ||
| return ranges | ||
| } | ||
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| open override var epochDvrWindowStart: TimeInterval { | ||
| guard let currentDate = currentDate else { return 0 } | ||
| return currentDate.timeIntervalSince1970 - position | ||
| } | ||
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| var dvrWindowStart: Double? { | ||
| guard let end = dvrWindowEnd, isDvrAvailable, playbackType == .live else { return nil } | ||
| return end - duration | ||
| } | ||
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| var dvrWindowEnd: Double? { | ||
| guard isDvrAvailable, playbackType == .live else { return nil } | ||
| return seekableTimeRanges.max { rangeA, rangeB in rangeA.timeRangeValue.end.seconds < rangeB.timeRangeValue.end.seconds }?.timeRangeValue.end.seconds | ||
| } | ||
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| fileprivate var liveHeadTolerance: Double { | ||
| return 5 | ||
| } | ||
| } |
16 changes: 16 additions & 0 deletions
16
Sources/Clappr/Classes/Extension/AVFoundationPlayback+LogEvent.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| import AVFoundation | ||
|
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| extension AVFoundationPlayback { | ||
| var lastLogEvent: AVPlayerItemAccessLogEvent? { | ||
| return player?.currentItem?.accessLog()?.events.last | ||
| } | ||
| } | ||
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| extension AVPlayerItemAccessLogEvent { | ||
| var bitrate: Double { | ||
| if segmentsDownloadedDuration > 0 { | ||
| return indicatedBitrate | ||
| } | ||
| return observedBitrate | ||
| } | ||
| } |
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