ExMP4.Box.Av1c (MP4 Reader and Writer v0.14.1)

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A module representing an av1C box, which contains AV1 codec configuration.

Summary

Types

t()

Functions

new(obu)

Creates a new av1c box from sequence header OBU.

Types

t()

@type t() :: %ExMP4.Box.Av1c{
  chroma_sample_position: non_neg_integer(),
  chroma_subsampling_x: 0..1,
  chroma_subsampling_y: 0..1,
  config_obus: binary(),
  high_bitdepth: 0..1,
  initial_presentation_delay_minus_one: non_neg_integer(),
  initial_presentation_delay_present: 0..1,
  monochrome: 0..1,
  seq_level_idx_0: non_neg_integer(),
  seq_profile: non_neg_integer(),
  seq_tier_0: 0..1,
  twelve_bit: 0..1
}

Functions

new(obu)

@spec new(binary()) :: t()

Creates a new av1c box from sequence header OBU.

Only available if MediaCodecs is installed.

iex> obu = <<10, 11, 0, 0, 0, 66, 167, 191, 230, 46, 223, 200, 66>>
iex> ExMP4.Box.Av1c.new(obu)
%ExMP4.Box.Av1c{
  chroma_sample_position: 0,
  chroma_subsampling_x: 1,
  chroma_subsampling_y: 1,
  config_obus: <<10, 11, 0, 0, 0, 66, 167, 191, 230, 46, 223, 200, 66>>,
  high_bitdepth: 0,
  initial_presentation_delay_minus_one: 0,
  initial_presentation_delay_present: 0,
  monochrome: 0,
  seq_level_idx_0: 8,
  seq_profile: 0,
  seq_tier_0: 0,
  twelve_bit: 0
}