vbr.h File Reference

Variable Bit-Rate (VBR) related routines. More...

#include "misc.h"

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Classes
struct	VBRState
Defines
#define	VBR_MEMORY_SIZE   5
Functions
void	vbr_init (VBRState *vbr)
float	vbr_analysis (VBRState *vbr, spx_word16_t *sig, int len, int pitch, float pitch_coef)
void	vbr_destroy (VBRState *vbr)
Variables
const float	vbr_nb_thresh [9][11]
const float	vbr_hb_thresh [5][11]
const float	vbr_uhb_thresh [2][11]

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Detailed Description

Variable Bit-Rate (VBR) related routines.

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Define Documentation

#define VBR_MEMORY_SIZE   5

Referenced by vbr_analysis(), and vbr_init().

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Function Documentation

float vbr_analysis	(	VBRState *	vbr,
		spx_word16_t *	sig,
		int	len,
		int	pitch,
		float	pitch_coef
	)

References VBRState::average_energy, VBRState::consec_noise, VBRState::energy_alpha, VBRState::last_energy, VBRState::last_log_energy, VBRState::last_pitch_coef, VBRState::last_quality, MIN_ENERGY, VBRState::noise_accum, VBRState::noise_accum_count, VBRState::noise_level, NOISE_POW, VBRState::soft_pitch, sqr, and VBR_MEMORY_SIZE.

void vbr_destroy

(

VBRState *

vbr

)

Referenced by nb_encoder_destroy().

void vbr_init

(

VBRState *

vbr

)

References VBRState::accum_sum, VBRState::average_energy, VBRState::consec_noise, VBRState::energy_alpha, VBRState::last_energy, VBRState::last_log_energy, VBRState::last_pitch_coef, VBRState::last_quality, MIN_ENERGY, VBRState::noise_accum, VBRState::noise_accum_count, VBRState::noise_level, NOISE_POW, VBRState::soft_pitch, and VBR_MEMORY_SIZE.

Referenced by nb_encoder_init().

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Variable Documentation

const float vbr_hb_thresh[5][11]

const float vbr_nb_thresh[9][11]

const float vbr_uhb_thresh[2][11]