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Load asset before getting its tracks (fixes #60) #61

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Sep 9, 2020
Merged

Load asset before getting its tracks (fixes #60) #61

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14 changes: 13 additions & 1 deletion ios/Classes/AvController.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,19 @@ class AvController: NSObject {
}

public func getTrack(_ asset: AVURLAsset)->AVAssetTrack? {
return asset.tracks(withMediaType: AVMediaType.video).first!
var track : AVAssetTrack? = nil
let group = DispatchGroup()
group.enter()
asset.loadValuesAsynchronously(forKeys: ["tracks"], completionHandler: {
var error: NSError? = nil;
let status = asset.statusOfValue(forKey: "tracks", error: &error)
if (status == .loaded) {
track = asset.tracks(withMediaType: AVMediaType.video).first
}
group.leave()
})
group.wait()
return track
}

public func getVideoOrientation(_ path:String)-> Int? {
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