Sha256: 381e9cd8c521ae379afe2f28827ba9943f4d9923b580ac1a24715d79a6b63cc5
Contents?: true
Size: 1.15 KB
Versions: 5
Compression:
Stored size: 1.15 KB
Contents
require_relative 'keys_box'
require_relative 'ilst_box'
require_relative '../box_path'
require 'time'
module FileData
# Parser for the 'meta' box
class MetaBoxParser
def self.parse(view)
creation_key = get_creation_key(view)
return MetaBox.new(nil) if creation_key.nil?
creation_date_data = get_creation_date(view, creation_key.index)
return MetaBox.new(nil) if creation_date_data.nil?
MetaBox.new(Time.parse(creation_date_data.data_box.value_text))
end
def self.get_creation_key(view)
kb = BoxPath.get_path(view, 'keys')
return nil if kb.nil?
keys = KeysBoxParser.parse(kb.content_stream)
keys.find { |key| key.value == 'com.apple.quicktime.creationdate' }
end
def self.get_creation_date(view, index)
ilst_boxes = get_ilst_boxes(view)
ilst_boxes.find { |x| x.index == index }
end
def self.get_ilst_boxes(view)
view.seek view.start_pos
box = BoxPath.get_path(view, 'ilst')
ilst_boxes = []
ilst_boxes << IlstBoxParser.parse(box.content_stream) until box.content_stream.eof?
ilst_boxes
end
end
MetaBox = Struct.new(:creation_date)
end
Version data entries
5 entries across 5 versions & 1 rubygems