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2010.12.22 16:20 "[ANNOUNCE]: LZMA2 codec", by Andrey Kiselev
Hello, I would like to announce that the code implementing LZMA2 compression has been checked in the libtiff's development branch (4.x). tiffcp utility can utilize this new compression method (use '-c lzma' switch). Encoder applies delta filter internally, but you still can use predictor value 2 or 3. Sometimes it helps to get even better compression ratios. LZMA2 seems to be the best comression method (comparing to LZW and Defalte), though the slowest one. Worth a try if you are hunting for bytes. The compression code for LZMA2 is 34925. Best regards, Andrey -- Andrey V. Kiselev