DecState Struct Reference

#include <nb_celp.h>

Collaboration diagram for DecState:

[legend]

List of all members.

Public Attributes
const SpeexMode *	mode
int	first
int	count_lost
int	frameSize
int	subframeSize
int	nbSubframes
int	lpcSize
int	min_pitch
int	max_pitch
int	sampling_rate
spx_word16_t	last_ol_gain
char *	stack
spx_sig_t *	inBuf
spx_sig_t *	frame
spx_sig_t *	excBuf
spx_sig_t *	exc
spx_sig_t *	innov
spx_lsp_t *	qlsp
spx_lsp_t *	old_qlsp
spx_lsp_t *	interp_qlsp
spx_coef_t *	interp_qlpc
spx_mem_t *	mem_sp
spx_word32_t *	pi_gain
int	last_pitch
spx_word16_t	last_pitch_gain
spx_word16_t	pitch_gain_buf [3]
int	pitch_gain_buf_idx
spx_int32_t	seed
int	encode_submode
const SpeexSubmode *const *	submodes
int	submodeID
int	lpc_enh_enabled
CombFilterMem *	comb_mem
SpeexCallback	speex_callbacks [SPEEX_MAX_CALLBACKS]
SpeexCallback	user_callback
float	voc_m1
float	voc_m2
float	voc_mean
int	voc_offset
int	dtx_enabled

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Detailed Description

Structure representing the full state of the narrowband decoder

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Member Data Documentation

const SpeexMode* DecState::mode

Mode corresponding to the state

Referenced by nb_decoder_init().

int DecState::first

Is this the first frame?

Referenced by nb_decode(), and nb_decoder_init().

int DecState::count_lost

Was the last frame lost?

Referenced by nb_decode(), and nb_decoder_init().

int DecState::frameSize

Size of frames

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

int DecState::subframeSize

Size of sub-frames

Referenced by nb_decode(), and nb_decoder_init().

int DecState::nbSubframes

Number of sub-frames

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

int DecState::lpcSize

LPC order

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

int DecState::min_pitch

Minimum pitch value allowed

Referenced by nb_decode(), and nb_decoder_init().

int DecState::max_pitch

Maximum pitch value allowed

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

int DecState::sampling_rate

Referenced by nb_decoder_ctl(), and nb_decoder_init().

spx_word16_t DecState::last_ol_gain

Open-loop gain for previous frame

Referenced by nb_decode(), and nb_decoder_init().

char* DecState::stack

Pseudo-stack allocation for temporary memory

Referenced by nb_decode(), nb_decoder_destroy(), and nb_decoder_init().

spx_sig_t* DecState::inBuf

Input buffer (original signal)

Referenced by nb_decoder_ctl(), nb_decoder_destroy(), and nb_decoder_init().

spx_sig_t* DecState::frame

Start of original frame

Referenced by nb_decode(), and nb_decoder_init().

spx_sig_t* DecState::excBuf

Excitation buffer

Referenced by nb_decode(), nb_decoder_ctl(), nb_decoder_destroy(), and nb_decoder_init().

spx_sig_t* DecState::exc

Start of excitation frame

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

spx_sig_t* DecState::innov

Innovation for the frame

Referenced by nb_decode(), nb_decoder_ctl(), nb_decoder_destroy(), and nb_decoder_init().

spx_lsp_t* DecState::qlsp

Quantized LSPs for current frame

Referenced by nb_decode(), nb_decoder_destroy(), and nb_decoder_init().

spx_lsp_t* DecState::old_qlsp

Quantized LSPs for previous frame

Referenced by nb_decode(), nb_decoder_destroy(), and nb_decoder_init().

spx_lsp_t* DecState::interp_qlsp

Interpolated quantized LSPs

Referenced by nb_decode(), nb_decoder_destroy(), and nb_decoder_init().

spx_coef_t* DecState::interp_qlpc

Interpolated quantized LPCs

Referenced by nb_decode(), nb_decoder_destroy(), and nb_decoder_init().

spx_mem_t* DecState::mem_sp

Filter memory for synthesis signal

Referenced by nb_decode(), nb_decoder_ctl(), nb_decoder_destroy(), and nb_decoder_init().

spx_word32_t* DecState::pi_gain

Gain of LPC filter at theta=pi (fe/2)

Referenced by nb_decode(), nb_decoder_ctl(), nb_decoder_destroy(), and nb_decoder_init().

int DecState::last_pitch

Pitch of last correctly decoded frame

Referenced by nb_decode(), and nb_decoder_init().

spx_word16_t DecState::last_pitch_gain

Pitch gain of last correctly decoded frame

Referenced by nb_decode().

spx_word16_t DecState::pitch_gain_buf[3]

Pitch gain of last decoded frames

Referenced by nb_decode(), and nb_decoder_init().

int DecState::pitch_gain_buf_idx

Tail of the buffer

Referenced by nb_decode(), and nb_decoder_init().

spx_int32_t DecState::seed

Referenced by nb_decoder_init().

int DecState::encode_submode

Seed used for random number generation

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

const SpeexSubmode* const* DecState::submodes

Sub-mode data

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

int DecState::submodeID

Activated sub-mode

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

int DecState::lpc_enh_enabled

1 when LPC enhancer is on, 0 otherwise

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

CombFilterMem* DecState::comb_mem

Referenced by nb_decode(), nb_decoder_destroy(), and nb_decoder_init().

SpeexCallback DecState::speex_callbacks[SPEEX_MAX_CALLBACKS]

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

SpeexCallback DecState::user_callback

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

float DecState::voc_m1

Referenced by nb_decode(), and nb_decoder_init().

float DecState::voc_m2

Referenced by nb_decode(), and nb_decoder_init().

float DecState::voc_mean

Referenced by nb_decode(), and nb_decoder_init().

int DecState::voc_offset

Referenced by nb_decode(), and nb_decoder_init().

int DecState::dtx_enabled

Referenced by nb_decode(), nb_decoder_ctl(), and nb_decoder_init().

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

• nb_celp.h