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function varargout = blosc2decode(varargin)

% output = blosc2decode(input,codec)

% output = blosc2decode(input)

% or

% output = blosc2decode(input,info)

% Decompressing an blosc2-compressed byte-stream to recover the original data

% This function depends on the ZMat toolbox (http://github.com/NeuroJSON/zmat)

% authors:Qianqian Fang (q.fang <at> neu.edu)

% input:

% input: a string, int8/uint8 vector or numerical array to store blosc2-compressed data

% codec: if the 2nd input is a string, it is treated as a compression method that

% blosc2 supports, it can be one of:

% 'blosc2blosclz', 'blosc2lz4', 'blosc2lz4hc', 'blosc2zlib' and 'blosc2zstd'

% if no codec is specified, 'blosc2blosclz' method is assumed

% info (optional): a struct produced by the zmat/blosc2encode function during

% compression; if not given, the inputs/outputs will be treated as a

% 1-D vector

% output:

% output: the decompressed byte stream stored in a uint8 vector; if info is

% given, output will restore the original data's type and dimensions

% examples:

% [bytes, info]=blosc2encode(eye(10));

% orig=blosc2decode(bytes,info);

% license:

% BSD or GPL version 3, see LICENSE_{BSD,GPLv3}.txt files for details

% -- this function is part of JSONLab toolbox (http://neurojson.org/jsonlab)

if (nargin == 0)

error('you must provide at least 1 input');

end

if (exist('zmat', 'file') == 2 || exist('zmat', 'file') == 3)

if (nargin >= 2 && ischar(varargin{2}))

[varargout{1:nargout}] = zmat(varargin{1}, 0, varargin{2:end});

elseif (nargin > 1)

[varargout{1:nargout}] = zmat(varargin{1}, varargin{2:end});

else

[varargout{1:nargout}] = zmat(varargin{1}, 0, 'blosc2blosclz', varargin{2:end});

end

else

error('you must install ZMat toolbox to use this feature: http://github.com/NeuroJSON/zmat');

end

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