ojph::local::dec_mel_st Struct Reference

MEL state structure for reading and decoding the MEL bitstream. More...

Public Member Functions
	dec_mel_st ()
	dec_mel_st ()
	dec_mel_st ()

Public Attributes
ui8 *	data
	the address of data (or bitstream)
ui64	tmp
	temporary buffer for read data
int	bits
	number of bits stored in tmp
int	size
	number of bytes in MEL code
bool	unstuff
	true if the next bit needs to be unstuffed
int	k
	state of MEL decoder
int	num_runs
	number of decoded runs left in runs (maximum 8)
ui64	runs
	runs of decoded MEL codewords (7 bits/run)

Detailed Description

MEL state structure for reading and decoding the MEL bitstream.

A number of events is decoded from the MEL bitstream ahead of time and stored in run/num_runs. Each run represents the number of zero events before a one event.

Definition at line 63 of file ojph_block_decoder32.cpp.

Constructor & Destructor Documentation

dec_mel_st() [1/3]

ojph::local::dec_mel_st::dec_mel_st ( )

inline

Definition at line 64 of file ojph_block_decoder32.cpp.

References bits, data, k, num_runs, runs, size, tmp, and unstuff.

dec_mel_st() [2/3]

ojph::local::dec_mel_st::dec_mel_st ( )

inline

Definition at line 64 of file ojph_block_decoder64.cpp.

References bits, data, k, num_runs, runs, size, tmp, and unstuff.

dec_mel_st() [3/3]

ojph::local::dec_mel_st::dec_mel_st ( )

inline

Definition at line 74 of file ojph_block_decoder_wasm.cpp.

References bits, data, k, num_runs, runs, size, tmp, and unstuff.

Member Data Documentation

bits

int ojph::local::dec_mel_st::bits

number of bits stored in tmp

Definition at line 70 of file ojph_block_decoder32.cpp.

Referenced by dec_mel_st(), ojph::local::mel_decode(), ojph::local::mel_init(), and ojph::local::mel_read().

data

ui8 * ojph::local::dec_mel_st::data

the address of data (or bitstream)

Definition at line 68 of file ojph_block_decoder32.cpp.

Referenced by dec_mel_st(), ojph::local::mel_init(), and ojph::local::mel_read().

k

int ojph::local::dec_mel_st::k

state of MEL decoder

Definition at line 73 of file ojph_block_decoder32.cpp.

Referenced by dec_mel_st(), ojph::local::mel_decode(), and ojph::local::mel_init().

num_runs

int ojph::local::dec_mel_st::num_runs

number of decoded runs left in runs (maximum 8)

Definition at line 76 of file ojph_block_decoder32.cpp.

Referenced by dec_mel_st(), ojph::local::mel_decode(), ojph::local::mel_get_run(), and ojph::local::mel_init().

runs

ui64 ojph::local::dec_mel_st::runs

runs of decoded MEL codewords (7 bits/run)

Definition at line 77 of file ojph_block_decoder32.cpp.

Referenced by dec_mel_st(), ojph::local::mel_decode(), ojph::local::mel_get_run(), and ojph::local::mel_init().

size

int ojph::local::dec_mel_st::size

number of bytes in MEL code

Definition at line 71 of file ojph_block_decoder32.cpp.

Referenced by dec_mel_st(), ojph::local::mel_init(), and ojph::local::mel_read().

tmp

ui64 ojph::local::dec_mel_st::tmp

temporary buffer for read data

Definition at line 69 of file ojph_block_decoder32.cpp.

Referenced by dec_mel_st(), ojph::local::mel_decode(), ojph::local::mel_init(), and ojph::local::mel_read().

unstuff

bool ojph::local::dec_mel_st::unstuff

true if the next bit needs to be unstuffed

Definition at line 72 of file ojph_block_decoder32.cpp.

Referenced by dec_mel_st(), ojph::local::mel_init(), and ojph::local::mel_read().

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

• /build/openjph/src/OpenJPH-0.24.3/src/core/coding/ojph_block_decoder32.cpp
• /build/openjph/src/OpenJPH-0.24.3/src/core/coding/ojph_block_decoder64.cpp
• /build/openjph/src/OpenJPH-0.24.3/src/core/coding/ojph_block_decoder_wasm.cpp