Description: Music app does not load/play the forward locked/DRM audio files on memory card. Files do play in web player. Repro Steps: 1) Update a Flame device to BuildID: 20141201040205 2) Go to the website http://210.55.198.68/aj/core/DRM/All_DRM/FL/ 3) Find files FL_AUD_MP3_1.dm and FL_AUD.MP3_2.dm > Download mp3 files as Song 4) Go to Music app 5) Observe if DRM audio is in song list Actual: DRM/Forward Locked audio files on memory card are not loaded/played in Music app. Expected: DRM/Forward Locked audio files on memory card are loaded/played in Music app. Environmental Variables: Device: Flame 2.2 (319mb)(Kitkat Base)(Full Flash) BuildID: 20141201040205 Gaia: 39214fb22c203e8849aaa1c27b773eeb73212921 Gecko: 08be3008650f Gonk: 48835395daa6a49b281db62c50805bd6ca24077e Version: 37.0a1 (2.2) Firmware: V188-1 User Agent: Mozilla/5.0 (Mobile; rv:37.0) Gecko/37.0 Firefox/37.0 Repro frequency: 100% See attached: video clip (http://youtu.be/BLjLEa2K5r8), logcat (DRM_logcat.txt)

Issue does not occur on Flame 2.1 and Flame 2.0. DRM/Forward Locked audio files on memory card are loaded/played in Music app. Device: Flame 2.1 (319mb)(Kitkat Base)(Full Flash) BuildID: 20141201001201 Gaia: ccb49abe412c978a4045f0c75abff534372716c4 Gecko: 18fb67530b22 Gonk: 48835395daa6a49b281db62c50805bd6ca24077e Version: 34.0 (2.1) Firmware: V188-1 User Agent: Mozilla/5.0 (Mobile; rv:34.0) Gecko/34.0 Firefox/34.0 Device: Flame 2.0 (319mb)(Kitkat Base)(Full Flash) Build ID: 20141126000203 Gaia: f9d6e3d83c3922e9399a6c27f5ce4cdd27bdfd05 Gecko: 45112935086f Gonk: 48835395daa6a49b281db62c50805bd6ca24077e Version: 32.0 (2.0) Firmware Version: v188-1 User Agent: Mozilla/5.0 (Mobile; rv:32.0) Gecko/32.0 Firefox/32.0

This is very similar to bug 1054953. Unsure of how important DRM files are. NI music owner to weigh in on a blocking decision for this bug.

Need to confirm this with Hema on this as well, but I do not believe this is 2.2 blocker

I think this might be a regression from bug 1089718, but I'll need to figure out how to test this.

David: Any ideas on how to write a unit test for this? Do I need a ForwardLock mock?

Comment on attachment 8531766 [details] Fix it Upping to full review since this has unit tests now. I can add more tests if you think it's worthwhile (e.g. other formats, testing album art), but I'm not sure that gives us much in the way of extra coverage.

Landed: https://github.com/mozilla-b2g/gaia/commit/ec74fa05386b6627c53f77466f97b66a7c2098f6