Changeset 981e22c for thirdparty/blosc/README_HEADER.rst

Timestamp:

08/26/16 19:35:26 (8 years ago)

Author:

Hal Finkel <hfinkel@…>

Branches:

master, pympi

Children:

8ebc79b

Parents:

cda87e9

git-author:

Hal Finkel <hfinkel@…> (08/26/16 19:35:26)

git-committer:

Hal Finkel <hfinkel@…> (08/26/16 19:35:26)

Message:

Upgrade to latest blosc library

blosc git: e394f327ccc78319d90a06af0b88bce07034b8dd

File:

• thirdparty/blosc/README_HEADER.rst (modified) (2 diffs)

thirdparty/blosc/README_HEADER.rst

@@ -21 +21 @@
     (``uint8``) Blosc format version.
 :versionlz:
-    (``uint8``) Blosclz format  version (internal Lempel-Ziv algorithm).
-:flags:
-    (``bitfield``) The flags of the buffer.
+    (``uint8``) Version of the internal compressor used.
+:flags and compressor enumeration:
+    (``bitfield``) The flags of the buffer
 
     :bit 0 (``0x01``):
-        Whether the shuffle filter has been applied or not.
+        Whether the byte-shuffle filter has been applied or not.
     :bit 1 (``0x02``):
         Whether the internal buffer is a pure memcpy or not.
+    :bit 2 (``0x04``):
+        Whether the bit-shuffle filter has been applied or not.
+    :bit 3 (``0x08``):
+        Reserved
+    :bit 4 (``0x16``):
+        Reserved
+    :bit 5 (``0x32``):
+        Part of the enumeration for compressors.
+    :bit 6 (``0x64``):
+        Part of the enumeration for compressors.
+    :bit 7 (``0x64``):
+        Part of the enumeration for compressors.
+
+    The last three bits form an enumeration that allows to use alternative
+    compressors.
+
+    :``0``:
+        ``blosclz``
+    :``1``:
+        ``lz4`` or ``lz4hc``
+    :``2``:
+        ``snappy``
+    :``3``:
+        ``zlib``
+    :``4``:
+        ``zstd``
 
 :typesize:
@@ -38 +64 @@
 :ctbytes:
     (``uint32``) Compressed size of the buffer.
-