Module: LZ4::BasicStream

Included in:

StreamDecoder, StreamEncoder

Defined in:

lib/extlz4/oldstream.rb

Defined Under Namespace

Classes: BlockHeader, Header

Constant Summary

MAGIC_NUMBER =

0x184D2204

MAGIC_NUMBER_LEGACY =

0x184C2102

BLOCK_MAXIMUM_SIZES =

{
  # 0 => not available
  # 1 => not available
  # 2 => not available
  # 3 => not available
  4 => 1 << 16, # 64 KiB
  5 => 1 << 18, # 256 KiB
  6 => 1 << 20, # 1 MiB
  7 => 1 << 22, # 4 MiB
}

LITERAL_DATA_BLOCK_FLAG =

0x80000000

VERSION_NUMBER =

1 << 6

VERSION_NUMBER_MASK =

0x03 << 6

BLOCK_INDEPENDENCY =

1 << 5

BLOCK_CHECKSUM =

1 << 4

STREAM_SIZE =

1 << 3

STREAM_CHECKSUM =

1 << 2

PRESET_DICTIONARY =

1 << 0