tags.picture return undefined

[Pixeladed]

On of my file return undefined when i try to access its tags.picture. When i use your demo, it display the artwork

This is the object your demo output:

Object { version: "2.3.0", major: 3, revision: 0, flags: Object, size: 84152… } APIC: ObjectCOMM: Objectdata: Objectdescription: "Comments" id: "COMM" size: 5 proto: ObjectTALB: ObjectTCON: Objectdata: "Progressive House" description: "Content type" id: "TCON" size: 18 proto: ObjectTIT2: ObjectTPE1: ObjectTYER: Objectartist: "Tobu" comment: Objectflags: Objectgenre: "Progressive House" major: 3 picture: Objectdata: Array[81886][0… 9999][10000… 19999][20000… 29999][30000… 39999][40000… 49999][50000… 59999][60000… 69999][70000… 79999][80000… 81885] length: 81886 proto: Array[0] description: "" format: "image/jpeg" type: "Cover (back)" proto: Objectrevision: 0 size: 84152 title: "Seven" version: "2.3.0" year: "2014" proto: Object

This is the one mine produced:

Object { version: "2.3.0", major: 3, revision: 0, flags: Object, size: 84152… } TALB: ObjectTIT2: ObjectTPE1: Objectartist: "Tobu" flags: Objectmajor: 3 revision: 0 size: 84152 title: "Seven" version: "2.3.0" proto: Object

I'm developing in chrome packaged app. does it effect anything at all?

[aadsm]

It seems that your music files does not have the APIC tag. You need to add the cover art using a tool like iTunes or another ID3 tag editor.