pkvorbisfloor1.cpp File Reference

#include "pkvorbisbackends.h"
#include "pkogg.h"
#include "pkvorbiscodec.h"
#include "pkvorbiscodecinternal.h"
#include "pkvorbiscodebook.h"
#include "mmmemory.h"
#include "clstdlib.h"
#include "fxfixed.h"
#include <math.h>
#include <stdlib.h>

Include dependency graph for pkvorbisfloor1.cpp:

Classes
struct	vorbis_look_floor
struct	lsfit_acc
Defines
#define	floor1_rangedB   140 /* floor 1 fixed at -140dB to 0dB range */
Typedefs
typedef struct vorbis_look_floor	vorbis_look_floor
typedef struct lsfit_acc	lsfit_acc
Functions
static vorbis_info_floor *	floor1_copy_info (vorbis_info_floor *i)
static void	floor1_free_info (vorbis_info_floor *i)
static void	floor1_free_look (vorbis_look_floor *i)
static int	ilog (unsigned int v)
static int	ilog2 (unsigned int v)
static void	floor1_pack (vorbis_info_floor *i, oggpack_buffer *opb)
static vorbis_info_floor *	floor1_unpack (vorbis_info *vi, oggpack_buffer *opb)
static int BURGER_ANSIAPI	icomp (const void *a, const void *b)
static vorbis_look_floor *	floor1_look (vorbis_dsp_state *, vorbis_info_mode *, vorbis_info_floor *input)
static int	render_point (int x0, int x1, int y0, int y1, int x)
static int	vorbis_dBquant (const float *x)
static void	render_line (int x0, int x1, int y0, int y1, float *d)
static void	render_line0 (int x0, int x1, int y0, int y1, float *d)
static int	accumulate_fit (const float *flr, const float *mdct, int x0, int x1, lsfit_acc *a, int n, vorbis_info_floor1 *info)
static int	fit_line (lsfit_acc *a, int fits, int *y0, int *y1)
static int	inspect_error (int x0, int x1, int y0, int y1, const float *mask, const float *mdct, vorbis_info_floor1 *info)
static int	post_Y (int *A, int *B, int pos)
static int	floor1_forward (vorbis_block *vb, vorbis_look_floor *input, float *mdct, const float *logmdct, const float *logmask, const float *logmax, float *codedflr)
static void *	floor1_inverse1 (vorbis_block *vb, vorbis_look_floor *input)
static int	floor1_inverse2 (vorbis_block *vb, vorbis_look_floor *input, void *memo, float *output)
Variables
static float	FLOOR_fromdB_LOOKUP [256]
vorbis_func_floor	floor1_exportbundle

---

Define Documentation

#define floor1_rangedB   140 /* floor 1 fixed at -140dB to 0dB range */

---

Typedef Documentation

typedef struct lsfit_acc lsfit_acc

typedef struct vorbis_look_floor vorbis_look_floor

---

Function Documentation

static int accumulate_fit	(	const float *	flr,
		const float *	mdct,
		int	x0,
		int	x1,
		lsfit_acc *	a,
		int	n,
		vorbis_info_floor1 *	info
	)		[static]

static int fit_line	(	lsfit_acc *	a,
		int	fits,
		int *	y0,
		int *	y1
	)		[static]

static vorbis_info_floor* floor1_copy_info

(

vorbis_info_floor *

i

)

[static]

static int floor1_forward	(	vorbis_block *	vb,
		vorbis_look_floor *	input,
		float *	mdct,
		const float *	logmdct,
		const float *	logmask,
		const float *	logmax,
		float *	codedflr
	)		[static]

static void floor1_free_info

(

vorbis_info_floor *

i

)

[static]

static void floor1_free_look

(

vorbis_look_floor *

i

)

[static]

static void* floor1_inverse1	(	vorbis_block *	vb,
		vorbis_look_floor *	input
	)		[static]

static int floor1_inverse2	(	vorbis_block *	vb,
		vorbis_look_floor *	input,
		void *	memo,
		float *	output
	)		[static]

static vorbis_look_floor* floor1_look	(	vorbis_dsp_state *	,
		vorbis_info_mode *	,
		vorbis_info_floor *	input
	)		[static]

static void floor1_pack	(	vorbis_info_floor *	i,
		oggpack_buffer *	opb
	)		[static]

static vorbis_info_floor* floor1_unpack	(	vorbis_info *	vi,
		oggpack_buffer *	opb
	)		[static]

static int BURGER_ANSIAPI icomp	(	const void *	a,
		const void *	b
	)		[static]

static int ilog

(

unsigned int

v

)

[static]

static int ilog2

(

unsigned int

v

)

[static]

static int inspect_error	(	int	x0,
		int	x1,
		int	y0,
		int	y1,
		const float *	mask,
		const float *	mdct,
		vorbis_info_floor1 *	info
	)		[static]

static int post_Y	(	int *	A,
		int *	B,
		int	pos
	)		[static]

static void render_line	(	int	x0,
		int	x1,
		int	y0,
		int	y1,
		float *	d
	)		[static]

static void render_line0	(	int	x0,
		int	x1,
		int	y0,
		int	y1,
		float *	d
	)		[static]

static int render_point	(	int	x0,
		int	x1,
		int	y0,
		int	y1,
		int	x
	)		[static]

static int vorbis_dBquant

(

const float *

x

)

[static]

---

Variable Documentation

vorbis_func_floor floor1_exportbundle

Initial value:

{
    &floor1_pack,&floor1_unpack,&floor1_look,&floor1_copy_info,&floor1_free_info,
    &floor1_free_look,&floor1_forward,&floor1_inverse1,&floor1_inverse2
}

float FLOOR_fromdB_LOOKUP[256] [static]