scalinglist.c File Reference

#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "scalinglist.h"
#include "rdo.h"
#include "tables.h"

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Macros
#define	LINE_BUFSIZE   1024

Functions
void	kvz_scalinglist_init (scaling_list_t *const scaling_list)
	Initialize scaling lists.
void	kvz_scalinglist_destroy (scaling_list_t *const scaling_list)
	Destroy scaling list allocated memory.
int	kvz_scalinglist_parse (scaling_list_t *const scaling_list, FILE *fp)
const coeff_t *	kvz_scalinglist_get_default (const uint32_t size_id, const uint32_t list_id)
static void	scalinglist_process_dec (const coeff_t *const coeff, coeff_t *dequantcoeff, int32_t inv_quant_scales, uint32_t height, uint32_t width, uint32_t ratio, int32_t size_num, uint32_t dc, uint8_t flat)
	get scaling list for decoder
void	kvz_scalinglist_process_enc (const coeff_t *const coeff, coeff_t *quantcoeff, const int32_t quant_scales, const uint32_t height, const uint32_t width, const uint32_t ratio, const int32_t size_num, const uint32_t dc, const uint8_t flat)
	get scaling list for encoder
static void	scalinglist_set_err_scale (uint8_t bitdepth, scaling_list_t *const scaling_list, uint32_t list, uint32_t size, uint32_t qp)
	set error scale coefficients
void	kvz_scalinglist_set (scaling_list_t *const scaling_list, const coeff_t *const coeff, uint32_t listId, uint32_t sizeId, uint32_t qp)
	set scaling lists
void	kvz_scalinglist_process (scaling_list_t *const scaling_list, uint8_t bitdepth)

Variables
const uint8_t	kvz_g_scaling_list_num [4] = { 6, 6, 6, 2}
const uint16_t	kvz_g_scaling_list_size [4] = { 16, 64, 256,1024}
static const uint8_t	g_scaling_list_size_x [4] = { 4, 8,16,32}
static const coeff_t	g_quant_default_4x4 [16]
static const coeff_t	g_quant_intra_default_8x8 [64]
static const coeff_t	g_quant_inter_default_8x8 [64]
const coeff_t	kvz_g_quant_scales [6] = { 26214,23302,20560,18396,16384,14564 }
const coeff_t	kvz_g_inv_quant_scales [6] = { 40,45,51,57,64,72 }

Macro Definition Documentation

LINE_BUFSIZE

#define LINE_BUFSIZE   1024

Function Documentation

kvz_scalinglist_destroy()

void kvz_scalinglist_destroy

(

scaling_list_t *const

scaling_list

)

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kvz_scalinglist_get_default()

const coeff_t * kvz_scalinglist_get_default	(	const uint32_t	size_id,
		const uint32_t	list_id
	)

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kvz_scalinglist_init()

void kvz_scalinglist_init

(

scaling_list_t *const

scaling_list

)

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kvz_scalinglist_parse()

int kvz_scalinglist_parse	(	scaling_list_t *const	scaling_list,
		FILE *	fp
	)

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kvz_scalinglist_process()

void kvz_scalinglist_process	(	scaling_list_t *const	scaling_list,
		uint8_t	bitdepth
	)

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kvz_scalinglist_process_enc()

void kvz_scalinglist_process_enc	(	const coeff_t *const	coeff,
		coeff_t *	quantcoeff,
		const int32_t	quant_scales,
		const uint32_t	height,
		const uint32_t	width,
		const uint32_t	ratio,
		const int32_t	size_num,
		const uint32_t	dc,
		const uint8_t	flat
	)

< height ratio for NSQT

< width ratio for NSQT

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kvz_scalinglist_set()

void kvz_scalinglist_set	(	scaling_list_t *const	scaling_list,
		const coeff_t *const	coeff,
		uint32_t	listId,
		uint32_t	sizeId,
		uint32_t	qp
	)

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scalinglist_process_dec()

static void scalinglist_process_dec ( const coeff_t *const  coeff, coeff_t *  dequantcoeff, int32_t  inv_quant_scales, uint32_t  height, uint32_t  width, uint32_t  ratio, int32_t  size_num, uint32_t  dc, uint8_t  flat  )

static

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scalinglist_set_err_scale()

static void scalinglist_set_err_scale ( uint8_t  bitdepth, scaling_list_t *const  scaling_list, uint32_t  list, uint32_t  size, uint32_t  qp  )

static

Parameters

list	List ID
uiSize	Size
uiQP	Quantization parameter

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Variable Documentation

g_quant_default_4x4

const coeff_t g_quant_default_4x4[16]

static

Initial value:

=
{
  16,16,16,16,
  16,16,16,16,
  16,16,16,16,
  16,16,16,16
}

g_quant_inter_default_8x8

const coeff_t g_quant_inter_default_8x8[64]

static

Initial value:

=
{
  16,16,16,16,17,18,20,24,
  16,16,16,17,18,20,24,25,
  16,16,17,18,20,24,25,28,
  16,17,18,20,24,25,28,33,
  17,18,20,24,25,28,33,41,
  18,20,24,25,28,33,41,54,
  20,24,25,28,33,41,54,71,
  24,25,28,33,41,54,71,91
}

g_quant_intra_default_8x8

const coeff_t g_quant_intra_default_8x8[64]

static

Initial value:

=
{
  16,16,16,16,17,18,21,24,
  16,16,16,16,17,19,22,25,
  16,16,17,18,20,22,25,29,
  16,16,18,21,24,27,31,36,
  17,17,20,24,30,35,41,47,
  18,19,22,27,35,44,54,65,
  21,22,25,31,41,54,70,88,
  24,25,29,36,47,65,88,115
}

g_scaling_list_size_x

const uint8_t g_scaling_list_size_x[4] = { 4, 8,16,32}

static

kvz_g_inv_quant_scales

const coeff_t kvz_g_inv_quant_scales[6] = { 40,45,51,57,64,72 }

kvz_g_quant_scales

const coeff_t kvz_g_quant_scales[6] = { 26214,23302,20560,18396,16384,14564 }

kvz_g_scaling_list_num

const uint8_t kvz_g_scaling_list_num[4] = { 6, 6, 6, 2}

kvz_g_scaling_list_size

const uint16_t kvz_g_scaling_list_size[4] = { 16, 64, 256,1024}