#include <stream.h>

Inheritance diagram for rosbag::BZ2Stream:

Public Member Functions
	BZ2Stream (ChunkedFile *file)

void	decompress (uint8_t dest, unsigned int dest_len, uint8_t source, unsigned int source_len)

CompressionType	getCompressionType () const

void	read (void *ptr, size_t size)

void	startRead ()

void	startWrite ()

void	stopRead ()

void	stopWrite ()

void	write (void *ptr, size_t size)

Public Member Functions inherited from rosbag::Stream
	Stream (ChunkedFile *file)

virtual	~Stream ()

Private Attributes
int	block_size_100k_
	compression block size (1-9; 9 default). 9 is best compression, most memory More...

int	bzerror_
	last error from bzlib More...

BZFILE *	bzfile_
	bzlib compressed file stream More...

int	verbosity_
	level of debugging output (0-4; 0 default). 0 is silent, 4 is max verbose debugging output More...

int	work_factor_
	compression behavior for worst case, highly repetitive data (0-250; 30 default) More...

Additional Inherited Members
Protected Member Functions inherited from rosbag::Stream
void	advanceOffset (uint64_t nbytes)

void	clearUnused ()

uint64_t	getCompressedIn ()

FILE *	getFilePointer ()

char *	getUnused ()

int	getUnusedLength ()

void	setCompressedIn (uint64_t nbytes)

void	setUnused (char *unused)

void	setUnusedLength (int nUnused)

Protected Attributes inherited from rosbag::Stream
ChunkedFile *	file_

Detailed Description

BZ2Stream uses libbzip2 (http://www.bzip.org) for reading/writing compressed data in the BZ2 format.

Definition at line 139 of file stream.h.

Constructor & Destructor Documentation

rosbag::BZ2Stream::BZ2Stream ( ChunkedFile * file )

Definition at line 45 of file bz2_stream.cpp.

Member Function Documentation

void rosbag::BZ2Stream::decompress	(	uint8_t *	dest,
		unsigned int	dest_len,
		uint8_t *	source,
		unsigned int	source_len
	)

virtual

Implements rosbag::Stream.

Definition at line 159 of file bz2_stream.cpp.

CompressionType rosbag::BZ2Stream::getCompressionType ( ) const

virtual

Implements rosbag::Stream.

Definition at line 54 of file bz2_stream.cpp.

void rosbag::BZ2Stream::read	(	void *	ptr,
		size_t	size
	)

virtual

Implements rosbag::Stream.

Definition at line 117 of file bz2_stream.cpp.

void rosbag::BZ2Stream::startRead ( )

virtual

Reimplemented from rosbag::Stream.

Definition at line 103 of file bz2_stream.cpp.

void rosbag::BZ2Stream::startWrite ( )

virtual

Reimplemented from rosbag::Stream.

Definition at line 58 of file bz2_stream.cpp.

void rosbag::BZ2Stream::stopRead ( )

virtual

Reimplemented from rosbag::Stream.

Definition at line 147 of file bz2_stream.cpp.

void rosbag::BZ2Stream::stopWrite ( )

virtual

Reimplemented from rosbag::Stream.

Definition at line 86 of file bz2_stream.cpp.

void rosbag::BZ2Stream::write	(	void *	ptr,
		size_t	size
	)

virtual

Implements rosbag::Stream.

Definition at line 72 of file bz2_stream.cpp.

Member Data Documentation

int rosbag::BZ2Stream::block_size_100k_

private

compression block size (1-9; 9 default). 9 is best compression, most memory

Definition at line 158 of file stream.h.

int rosbag::BZ2Stream::bzerror_

private

last error from bzlib

Definition at line 162 of file stream.h.

BZFILE* rosbag::BZ2Stream::bzfile_

private

bzlib compressed file stream

Definition at line 161 of file stream.h.

int rosbag::BZ2Stream::verbosity_

private

level of debugging output (0-4; 0 default). 0 is silent, 4 is max verbose debugging output

Definition at line 157 of file stream.h.

int rosbag::BZ2Stream::work_factor_

private

compression behavior for worst case, highly repetitive data (0-250; 30 default)

Definition at line 159 of file stream.h.

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

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation