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Re: iOS AVAssetReader "This media may be damaged" issue
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Re: iOS AVAssetReader "This media may be damaged" issue

  • Subject: Re: iOS AVAssetReader "This media may be damaged" issue
  • From: Kevin Dixon <email@hidden>
  • Date: Mon, 05 Jan 2015 17:49:18 -0800
Filed Radar # 19381752

On Mon, Jan 5, 2015 at 2:55 PM, Kevin Dixon <email@hidden> wrote:
(Sorry for the incomplete previous post, the email sent when I tried to paste)

Hi All,

I have an iOS app which was working great until the iOS 8 update, then users have started reporting that the playback of music from their iTunes library was glitching near the end of the song (last 8-15 seconds).

The app uses AVAssetReader to read tracks from the MPMediaItem URL property, all very run of the mill sort of stuff.

Now that I have reproduced the issue, we see the following info

AVAssetReaderStatusFailed : Error Domain=AVFoundationErrorDomain Code=-11829 "Cannot Open" UserInfo=0x17d10cc0 {NSLocalizedDescription=Cannot Open, NSUnderlyingError=0x17f192f0 "The operation couldn’t be completed. (OSStatus error -12848.)", NSLocalizedFailureReason=This media may be damaged.}

The issue does not appear in the default iOS music app. For affected users, it only affects particular files. The nature of the file has not been clarified, some users thought it was Adobe Audition encoder which produced the bad files, some claimed VBR, but I can reproduced with a certain 160kbps CBR LAME-encoded file.

I am curious if anyone else has seen this, or if maybe I should file a radar report?

Thanks in advance.

Kevin

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 >iOS AVAssetReader "This media may be damaged" issue (From: Kevin Dixon <email@hidden>)

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