Class RANS4x8Decode

java.lang.Object
htsjdk.samtools.cram.compression.rans.RANSDecode
htsjdk.samtools.cram.compression.rans.RANS4x8Decode
public class RANS4x8Decode extends RANSDecode
Decoder for the CRAM 3.0 rANS 4x8 codec. Supports Order-0 and Order-1 decoding with 4-way interleaved rANS states. Each state processes one quarter of the output, enabling instruction-level parallelism.

  • Constructor Details

    • RANS4x8Decode

      public RANS4x8Decode()

  • Method Details

    • uncompress

      public byte[] uncompress(byte[] input)
      Uncompress a rANS 4x8 encoded byte stream. The first byte of the input indicates the order (0 or 1), followed by compressed and uncompressed lengths, the frequency table, and the encoded data.
      Specified by:
      uncompress in class RANSDecode
      Parameters:
      input - the compressed byte stream
      Returns:
      the uncompressed data