meta:
  id: apev2
  file-extension: apetag
  endian: le
  
seq:
  - id: tag
    type: tag

types:
  tag:
    seq:
      - id: header
        type: header
        size: 32
      - id: frames
        type: frame
        repeat: expr
        repeat-expr: header.item_count
      - id: footer
        type: footer
        size: 32
  header:
    seq:
      - id: preamble
        contents: 'APETAGEX'
      - id: version_number
        type: u4
      - id: tag_size
        type: u4
      - id: item_count
        type: u4
      - id: tag_flags
        type: b32
      - id: reserved
        contents: [0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0]
        size: 8
      
  frame:
    seq:
      - id: item_size
        type: u4
      - id: item_flags
        type: b32
      - id: item_key
        type: str
        terminator: 0
        encoding: UTF-8
      - id: item_value
        size: item_size
        
  footer:
    seq:
      - id: preamble
        contents: 'APETAGEX'
      - id: version_number
        type: u4
      - id: tag_size
        type: u4
      - id: item_count
        type: u4
      - id: tag_flags
        type: b32
      - id: reserved
        contents: [0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0]
        size: 8