The M-Coder (binary) arithmetic decoder class. More...
#include <mCoder.hpp>
Inherits SPL::MCoder.
Public Member Functions | |
| MDecoder (int numContexts=0, InputBitStream *in=0) | |
| Create a decoder with the specified number of contexts that reads input from the given bit stream. More... | |
| ~MDecoder () | |
| Destroy a decoder. More... | |
| void | setNumContexts (int numContexts) |
| Set the number of contexts. More... | |
| int | getNumContexts () const |
| Get the number of contexts. More... | |
| void | setInput (InputBitStream *in) |
| Set the input bit stream (i.e., the bit stream from which encoded data is to be read). More... | |
| InputBitStream * | getInput () const |
| Get the input bit stream (i.e., the bit stream from which encoded data is to be read). More... | |
| void | clearContexts () |
| Clear the state of all of the contexts. More... | |
| long | getBitCount () const |
| Get the number of bits read so far. More... | |
| long | getSymCount () const |
| Get the number of symbols decoded so far. More... | |
| int | start () |
| Prepare to decode an arithmetic code word. More... | |
| int | terminate () |
| Terminate the arithmetic code word. More... | |
| int | decodeRegular (int contextId) |
| Decode a symbol in the specified context. More... | |
| int | decodeBypass () |
| Decode a symbol in bypass mode (i.e., assuming both symbols are equiprobable). More... | |
| void | dump (std::ostream &out) const |
| Dump the internal state information for the decoder to a stream (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 to use for debugging output. More... | |
| static std::ostream & | getDebugStream () |
| Get the stream used for debugging output. More... | |
The M-Coder (binary) arithmetic decoder class.
| SPL::MDecoder::MDecoder | ( | int | numContexts = 0, |
| InputBitStream * | in = 0 |
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Create a decoder with the specified number of contexts that reads input from the given bit stream.
| SPL::MDecoder::~MDecoder | ( | ) |
Destroy a decoder.
| void SPL::MDecoder::clearContexts | ( | ) |
Clear the state of all of the contexts.
| int SPL::MDecoder::decodeBypass | ( | ) |
Decode a symbol in bypass mode (i.e., assuming both symbols are equiprobable).
| int SPL::MDecoder::decodeRegular | ( | int | contextId | ) |
Decode a symbol in the specified context.
| void SPL::MDecoder::dump | ( | std::ostream & | out | ) | const |
Dump the internal state information for the decoder to a stream (for debugging).
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Get the stream used for debugging output.
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static |
Set the debug level.
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static |
Set the stream to use for debugging output.
| void SPL::MDecoder::setNumContexts | ( | int | numContexts | ) |
Set the number of contexts.
| int SPL::MDecoder::start | ( | ) |
Prepare to decode an arithmetic code word.
Note: This function must be called before attempting to decode any symbols.
| int SPL::MDecoder::terminate | ( | ) |
Terminate the arithmetic code word.