psy.h File Reference

#include "smallft.h"
#include "backends.h"
#include "envelope.h"

Go to the source code of this file.

Classes
struct	vorbis_info_psy
struct	vorbis_info_psy_global
struct	vorbis_look_psy_global
struct	vorbis_look_psy

Macros
#define	P_BANDS   17 /* 62Hz to 16kHz */
#define	P_LEVELS   8 /* 30dB to 100dB */
#define	P_LEVEL_0   30. /* 30 dB */
#define	P_NOISECURVES   3
#define	NOISE_COMPAND_LEVELS   40

Typedefs
typedef struct vorbis_info_psy	vorbis_info_psy

Functions
void	_vp_psy_init (vorbis_look_psy *p, vorbis_info_psy *vi, vorbis_info_psy_global *gi, int n, long rate)
void	_vp_psy_clear (vorbis_look_psy *p)
void *	_vi_psy_dup (void *source)
void	_vi_psy_free (vorbis_info_psy *i)
vorbis_info_psy *	_vi_psy_copy (vorbis_info_psy *i)
void	_vp_remove_floor (vorbis_look_psy *p, float *mdct, int *icodedflr, float *residue, int sliding_lowpass)
void	_vp_noisemask (vorbis_look_psy *p, float *logmdct, float *logmask)
void	_vp_tonemask (vorbis_look_psy *p, float *logfft, float *logmask, float global_specmax, float local_specmax)
void	_vp_offset_and_mix (vorbis_look_psy *p, float *noise, float *tone, int offset_select, float *logmask)
float	_vp_ampmax_decay (float amp, vorbis_dsp_state *vd)
float **	_vp_quantize_couple_memo (vorbis_block *vb, vorbis_info_psy_global *g, vorbis_look_psy *p, vorbis_info_mapping0 *vi, float **mdct)
void	_vp_couple (int blobno, vorbis_info_psy_global *g, vorbis_look_psy *p, vorbis_info_mapping0 *vi, float **res, float **mag_memo, int **mag_sort, int **ifloor, int *nonzero, int sliding_lowpass)
void	_vp_noise_normalize (vorbis_look_psy *p, float *in, float *out, int *sortedindex)
void	_vp_noise_normalize_sort (vorbis_look_psy *p, float *magnitudes, int *sortedindex)
int **	_vp_quantize_couple_sort (vorbis_block *vb, vorbis_look_psy *p, vorbis_info_mapping0 *vi, float **mags)

Macro Definition Documentation

#define NOISE_COMPAND_LEVELS   40

Definition at line 35 of file psy.h.

#define P_BANDS   17 /* 62Hz to 16kHz */

Definition at line 30 of file psy.h.

#define P_LEVEL_0   30. /* 30 dB */

Definition at line 32 of file psy.h.

#define P_LEVELS   8 /* 30dB to 100dB */

Definition at line 31 of file psy.h.

#define P_NOISECURVES   3

Definition at line 33 of file psy.h.

Typedef Documentation

typedef struct vorbis_info_psy vorbis_info_psy

Function Documentation

vorbis_info_psy* _vi_psy_copy

(

vorbis_info_psy *

i

)

void* _vi_psy_dup

(

void *

source

)

void _vi_psy_free

(

vorbis_info_psy *

i

)

Definition at line 61 of file psy.c.

float _vp_ampmax_decay	(	float	amp,
		vorbis_dsp_state *	vd
	)

Definition at line 859 of file psy.c.

void _vp_couple	(	int	blobno,
		vorbis_info_psy_global *	g,
		vorbis_look_psy *	p,
		vorbis_info_mapping0 *	vi,
		float **	res,
		float **	mag_memo,
		int **	mag_sort,
		int **	ifloor,
		int *	nonzero,
		int	sliding_lowpass
	)

Definition at line 1064 of file psy.c.

void _vp_noise_normalize	(	vorbis_look_psy *	p,
		float *	in,
		float *	out,
		int *	sortedindex
	)

Definition at line 1018 of file psy.c.

void _vp_noise_normalize_sort	(	vorbis_look_psy *	p,
		float *	magnitudes,
		int *	sortedindex
	)

Definition at line 1000 of file psy.c.

void _vp_noisemask	(	vorbis_look_psy *	p,
		float *	logmdct,
		float *	logmask
	)

Definition at line 771 of file psy.c.

void _vp_offset_and_mix	(	vorbis_look_psy *	p,
		float *	noise,
		float *	tone,
		int	offset_select,
		float *	logmask
	)

Definition at line 844 of file psy.c.

void _vp_psy_clear

(

vorbis_look_psy *

p

)

Definition at line 350 of file psy.c.

void _vp_psy_init	(	vorbis_look_psy *	p,
		vorbis_info_psy *	vi,
		vorbis_info_psy_global *	gi,
		int	n,
		long	rate
	)

Definition at line 266 of file psy.c.

float** _vp_quantize_couple_memo	(	vorbis_block *	vb,
		vorbis_info_psy_global *	g,
		vorbis_look_psy *	p,
		vorbis_info_mapping0 *	vi,
		float **	mdct
	)

Definition at line 944 of file psy.c.

int** _vp_quantize_couple_sort	(	vorbis_block *	vb,
		vorbis_look_psy *	p,
		vorbis_info_mapping0 *	vi,
		float **	mags
	)

Definition at line 974 of file psy.c.

void _vp_remove_floor	(	vorbis_look_psy *	p,
		float *	mdct,
		int *	icodedflr,
		float *	residue,
		int	sliding_lowpass
	)

Definition at line 752 of file psy.c.

void _vp_tonemask	(	vorbis_look_psy *	p,
		float *	logfft,
		float *	logmask,
		float	global_specmax,
		float	local_specmax
	)

Definition at line 819 of file psy.c.