class BMFF::Box::SampleDependencyType

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Attributes

is_leading[RW]
sample_depends_on[RW]
sample_has_redundancy[RW]
sample_is_depended_on[RW]

Public Instance Methods

parse_data() click to toggle source
Calls superclass method BMFF::Box::Full#parse_data
# File lib/bmff/box/sample_dependency_type.rb, line 8
def parse_data
  super
  sample_size_box = parent.find(BMFF::Box::SampleSize)
  if sample_size_box
    sample_count = sample_size_box.sample_count
    @is_leading = []
    @sample_depends_on = []
    @sample_is_depended_on = []
    @sample_has_redundancy = []
    sample_count.times do
      tmp = io.get_uint8
      @is_leading << (tmp >> 6)
      @sample_depends_on << ((tmp >> 4) & 0x03)
      @sample_is_depended_on << ((tmp >> 2) & 0x03)
      @sample_has_redundancy << (tmp & 0x03)
    end
  end
end