The M-Coder (binary) arithmetic encoder class. More...
#include <mCoder.hpp>
Inherits SPL::MCoder.
Public Member Functions | |
| MEncoder (int numContexts=0, OutputBitStream *out=0) | |
| Create an encoder with a specified number of contexts that sends output to a given bit stream. More... | |
| ~MEncoder () | |
| Destroy an encoder. More... | |
| void | setNumContexts (int numContexts) |
| Set the number of contexts. More... | |
| int | getNumContexts () const |
| Get the number of contexts. More... | |
| void | clearContexts () |
| Clear the state of all of the contexts. More... | |
| void | setOutput (OutputBitStream *out) |
| Set the bit stream to use for output. More... | |
| OutputBitStream * | getOutput () const |
| Get the bit stream being used for output. More... | |
| long | getSymCount () const |
| Get the number of symbols that have been encoded so far. More... | |
| long | getBitCount () const |
| Get the number of bits (of encoded data) that have been output to the underlying bit stream so far. More... | |
| void | start () |
| Start the arithmetic code word. More... | |
| int | terminate () |
| Terminate the arithmetic code word. More... | |
| int | encodeRegular (int contextId, int binVal) |
| Encode a symbol in the specified context. More... | |
| int | encodeBypass (int binVal) |
| Encode a symbol in bypass mode (i.e., assuming that both symbols are equiprobable). More... | |
| void | dump (std::ostream &out) const |
| Dump the internal state of the encoder for debugging. More... | |
Static Public Member Functions | |
| static void | setDebugLevel (int debugLevel) |
| Set the debug level. More... | |
| static void | setDebugStream (std::ostream &debugStream) |
| Set the stream for debugging output. More... | |
| static std::ostream & | getDebugStream () |
| Get the stream used for debugging output. More... | |
The M-Coder (binary) arithmetic encoder class.
| SPL::MEncoder::MEncoder | ( | int | numContexts = 0, |
| OutputBitStream * | out = 0 |
||
| ) |
Create an encoder with a specified number of contexts that sends output to a given bit stream.
| SPL::MEncoder::~MEncoder | ( | ) |
Destroy an encoder.
| void SPL::MEncoder::clearContexts | ( | ) |
Clear the state of all of the contexts.
| void SPL::MEncoder::dump | ( | std::ostream & | out | ) | const |
Dump the internal state of the encoder for debugging.
| int SPL::MEncoder::encodeBypass | ( | int | binVal | ) |
Encode a symbol in bypass mode (i.e., assuming that both symbols are equiprobable).
| int SPL::MEncoder::encodeRegular | ( | int | contextId, |
| int | binVal | ||
| ) |
Encode a symbol in the specified context.
The symbol binVal is encoded using context contextId.
|
static |
Get the stream used for debugging output.
|
static |
Set the debug level.
|
static |
Set the stream for debugging output.
| void SPL::MEncoder::setNumContexts | ( | int | numContexts | ) |
Set the number of contexts.
| void SPL::MEncoder::start | ( | ) |
Start the arithmetic code word.
| int SPL::MEncoder::terminate | ( | ) |
Terminate the arithmetic code word.