pcl::StaticRangeCoder Class Reference

StaticRangeCoder compression class More...

#include <pcl/compression/entropy_range_coder.h>

Public Member Functions
	StaticRangeCoder ()
	Constructor.
virtual	~StaticRangeCoder ()
	Empty deconstructor.
unsigned long	encodeIntVectorToStream (std::vector< unsigned int > &inputIntVector_arg, std::ostream &outputByterStream_arg)
	Encode integer vector to output stream.
unsigned long	decodeStreamToIntVector (std::istream &inputByteStream_arg, std::vector< unsigned int > &outputIntVector_arg)
	Decode stream to output integer vector.
unsigned long	encodeCharVectorToStream (const std::vector< char > &inputByteVector_arg, std::ostream &outputByteStream_arg)
	Encode char vector to output stream.
unsigned long	decodeStreamToCharVector (std::istream &inputByteStream_arg, std::vector< char > &outputByteVector_arg)
	Decode char stream to output vector.

Protected Types
typedef boost::uint32_t	DWord

Protected Member Functions
double	Log2 (double n_arg)
	Helper function to calculate the binary logarithm.

Detailed Description

StaticRangeCoder compression class

Note

This class provides static range coding functionality.

Its symbol probability/frequency table is precomputed and encoded to the output stream

Author

Julius Kammerl (juliu.nosp@m.s@ka.nosp@m.mmerl.nosp@m..de)

Definition at line 118 of file entropy_range_coder.h.

Member Typedef Documentation

typedef boost::uint32_t pcl::StaticRangeCoder::DWord

protected

Definition at line 166 of file entropy_range_coder.h.

Constructor & Destructor Documentation

pcl::StaticRangeCoder::StaticRangeCoder ( )

inline

Constructor.

Definition at line 122 of file entropy_range_coder.h.

virtual pcl::StaticRangeCoder::~StaticRangeCoder ( )

inlinevirtual

Empty deconstructor.

Definition at line 129 of file entropy_range_coder.h.

Member Function Documentation

unsigned long pcl::StaticRangeCoder::decodeStreamToCharVector	(	std::istream &	inputByteStream_arg,
		std::vector< char > &	outputByteVector_arg
	)

Decode char stream to output vector.

Parameters

inputByteStream_arg	input stream of compressed data
outputByteVector_arg	decompressed output vector

Returns

amount of bytes read from input stream

Definition at line 601 of file entropy_range_coder.hpp.

unsigned long pcl::StaticRangeCoder::decodeStreamToIntVector	(	std::istream &	inputByteStream_arg,
		std::vector< unsigned int > &	outputIntVector_arg
	)

Decode stream to output integer vector.

Parameters

inputByteStream_arg	input stream of compressed data
outputIntVector_arg	decompressed output vector

Returns

amount of bytes read from input stream

Definition at line 390 of file entropy_range_coder.hpp.

unsigned long pcl::StaticRangeCoder::encodeCharVectorToStream	(	const std::vector< char > &	inputByteVector_arg,
		std::ostream &	outputByteStream_arg
	)

Encode char vector to output stream.

Parameters

inputByteVector_arg	input vector
outputByteStream_arg	output stream containing compressed data

Returns

amount of bytes written to output stream

Definition at line 492 of file entropy_range_coder.hpp.

unsigned long pcl::StaticRangeCoder::encodeIntVectorToStream	(	std::vector< unsigned int > &	inputIntVector_arg,
		std::ostream &	outputByterStream_arg
	)

Encode integer vector to output stream.

Parameters

[in]	inputIntVector_arg	input vector
[out]	outputByterStream_arg	output stream containing compressed data

Returns

amount of bytes written to output stream

Definition at line 242 of file entropy_range_coder.hpp.

double pcl::StaticRangeCoder::Log2 ( double  n_arg )

inlineprotected

Helper function to calculate the binary logarithm.

Parameters

n_arg,:

some value

Returns

binary logarithm (log2) of argument n_arg

Definition at line 173 of file entropy_range_coder.h.

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The documentation for this class was generated from the following files:

• /tmp/buildd/pcl-1.7.2/io/include/pcl/compression/entropy_range_coder.h
• /tmp/buildd/pcl-1.7.2/io/include/pcl/compression/impl/entropy_range_coder.hpp