Dirac - A Video Codec
Created by the British Broadcasting Corporation.
dirac::ByteIO Class Reference
Class ByteIO - top-level class for reading/writing bytes to a stream.
#include <byteio.h>
Inheritance diagram for dirac::ByteIO:
[legend]List of all members.Public Member Functions
Protected Member Functions
- bool CanRead () const
- bool GetBit (unsigned char &c, int pos) const
- void SetBit (unsigned char &c, int pos) const
- void SetBits (unsigned char &c, unsigned char bits) const
- void ByteAlignInput ()
- Sync input for byte-alignment.
- bool InputBit ()
- Reads next bit.
- void InputBytes (char *data, int count)
- Reads from stream.
- int InputVarLengthInt ()
- Reads an integer in interleaved exp-Golomb format return Signed integer read.
- unsigned int InputVarLengthUint ()
- Reads an unsigned integer in interleaved exp Golomb format.
- unsigned int InputFixedLengthUint (const int byte_size)
- Reads a fixed length unsigned integer from the stream in big endian.
- unsigned char InputUnByte ()
- Reads a byte from the stream.
- std::string InputUnString (const int count)
- Reads a series of bytes from a stream.
- void OutputBit (const bool &bit)
- Outputs a bit.
- void OutputBytes (const std::string &bytes)
- Outputs a series of bytes.
- void OutputCurrentByte ()
- Outputs current byte contents.
- void OutputVarLengthInt (const int val)
- Outputs an integer in Golomb signed integer format.
- void OutputFixedLengthUint (const unsigned int &value, const int &length)
- Output unsigned int value in big endian format.
- void RemoveRedundantBytes (const int count)
- Removes portion of byte-stream no longer required.
- void SeekGet (const int offset, std::ios_base::seekdir dir)
Protected Attributes
- std::stringstream * mp_stream
- Input/output steam.
Private Attributes
Friends
Constructor & Destructor Documentation
dirac::ByteIO::ByteIO |
( |
bool |
new_stream = true |
) |
|
- Parameters:
-
| new_stream | Has Creates & owns data buffer |
dirac::ByteIO::ByteIO |
( |
const ByteIO & |
stream_data |
) |
|
- Parameters:
-
| stream_data | Copies data buffer details |
virtual dirac::ByteIO::~ByteIO |
( |
|
) |
[virtual] |
Member Function Documentation
virtual void dirac::ByteIO::CollateByteStats |
( |
DiracByteStats & |
dirac_byte_stats |
) |
[inline, virtual] |
virtual const std::string dirac::ByteIO::GetBytes |
( |
|
) |
[virtual] |
int dirac::ByteIO::GetReadBytePosition |
( |
|
) |
const [inline] |
virtual int dirac::ByteIO::GetSize |
( |
|
) |
const [virtual] |
void dirac::ByteIO::SetByteParams |
( |
const ByteIO & |
byte_io |
) |
|
- Parameters:
-
| byte_io | Byte source/destination |
void dirac::ByteIO::ByteAlignOutput |
( |
|
) |
|
void dirac::ByteIO::OutputVarLengthUint |
( |
const unsigned int & |
value |
) |
|
- Parameters:
-
| value | Integer to be output |
bool dirac::ByteIO::CanRead |
( |
|
) |
const [inline, protected] |
bool dirac::ByteIO::GetBit |
( |
unsigned char & |
c, |
|
|
int |
pos | |
|
) |
| | const [inline, protected] |
void dirac::ByteIO::SetBit |
( |
unsigned char & |
c, |
|
|
int |
pos | |
|
) |
| | const [inline, protected] |
void dirac::ByteIO::SetBits |
( |
unsigned char & |
c, |
|
|
unsigned char |
bits | |
|
) |
| | const [inline, protected] |
void dirac::ByteIO::ByteAlignInput |
( |
|
) |
[protected] |
bool dirac::ByteIO::InputBit |
( |
|
) |
[protected] |
void dirac::ByteIO::InputBytes |
( |
char * |
data, |
|
|
int |
count | |
|
) |
| | [inline, protected] |
- Parameters:
-
| data | Start of char buffer |
| count | Number of bytes to read |
int dirac::ByteIO::InputVarLengthInt |
( |
|
) |
[protected] |
unsigned int dirac::ByteIO::InputVarLengthUint |
( |
|
) |
[protected] |
- Returns:
- Unsigned Integer read
unsigned int dirac::ByteIO::InputFixedLengthUint |
( |
const int |
byte_size |
) |
[inline, protected] |
- Parameters:
-
| byte_size | Number of bytes in fixed length integer |
- Returns:
- Unsigned Integer read
unsigned char dirac::ByteIO::InputUnByte |
( |
|
) |
[inline, protected] |
std::string dirac::ByteIO::InputUnString |
( |
const int |
count |
) |
[inline, protected] |
void dirac::ByteIO::OutputBit |
( |
const bool & |
bit |
) |
[protected] |
void dirac::ByteIO::OutputBytes |
( |
const std::string & |
bytes |
) |
[inline, protected] |
void dirac::ByteIO::OutputCurrentByte |
( |
|
) |
[inline, protected] |
void dirac::ByteIO::OutputVarLengthInt |
( |
const int |
val |
) |
[protected] |
void dirac::ByteIO::OutputFixedLengthUint |
( |
const unsigned int & |
value, |
|
|
const int & |
length | |
|
) |
| | [inline, protected] |
- Parameters:
-
| value | Integer to be output |
| length | number of bytes in val to output |
void dirac::ByteIO::RemoveRedundantBytes |
( |
const int |
count |
) |
[protected] |
- Parameters:
-
| count | Number of bytes to be removed from beginning of stream |
void dirac::ByteIO::SeekGet |
( |
const int |
offset, |
|
|
std::ios_base::seekdir |
dir | |
|
) |
| | [inline, protected] |
Friends And Related Function Documentation
Member Data Documentation
The documentation for this class was generated from the following file:
© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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