#include <stdbool.h>

Include dependency graph for vif_tools.h:

Macros
#define	VIF_TOOLS_H_
#define	NUM_KERNELSCALES 21
#define	VIF_BILINEAR_MAX_WIDTH 7680

Enumerations
enum	vif_scaling_method { vif_scale_nearest = 0 , vif_scale_bicubic = 1 , vif_scale_lanczos4 = 2 , vif_scale_bilinear = 3 }

Functions
void	vif_dec2_s (const float src, float dst, int src_w, int src_h, int src_stride, int dst_stride)
void	vif_dec16_s (const float src, float dst, int src_w, int src_h, int src_stride, int dst_stride)
float	vif_sum_s (const float *x, int w, int h, int stride)
void	vif_statistic_s (const float mu1_sq, const float mu2_sq, const float xx_filt, const float yy_filt, const float xy_filt, float num, float *den, int w, int h, int mu1_sq_stride, int mu2_sq_stride, int xx_filt_stride, int yy_filt_stride, int xy_filt_stride, double vif_enhn_gain_limit, double vif_sigma_nsq)
void	vif_filter1d_s (const float f, const float src, float dst, float tmpbuf, int w, int h, int src_stride, int dst_stride, int fwidth)
void	vif_filter1d_sq_s (const float f, const float src, float dst, float tmpbuf, int w, int h, int src_stride, int dst_stride, int fwidth)
void	vif_filter1d_xy_s (const float f, const float src1, const float src2, float dst, float *tmpbuf, int w, int h, int src1_stride, int src2_stride, int dst_stride, int fwidth)
int	vif_get_scaling_method (char scaling_method_str, enum vif_scaling_method scale_method)
void	vif_scale_frame_s (enum vif_scaling_method scale_method, const float src, float dst, int src_w, int src_h, int src_stride, int dst_w, int dst_h, int dst_stride)
void	vif_scale_frame_bilinear_precompute_columns_s (int src_w, int dst_w, int x1a, int x2a, float *dxa)
void	vif_scale_frame_bilinear_precomputed_s (const float src, float dst, int src_w, int src_h, int src_stride, int dst_w, int dst_h, int dst_stride, const int x1a, const int x2a, const float *dxa)
int	vif_get_filter_size (int scale, float kernelscale)
void	vif_get_filter (float *out, int scale, float kernelscale)
void	speed_get_antialias_filter (float *out, int scale, float kernelscale)
bool	vif_validate_kernelscale (float kernelscale)

Macro Definition Documentation

◆ NUM_KERNELSCALES

#define NUM_KERNELSCALES 21

◆ VIF_BILINEAR_MAX_WIDTH

#define VIF_BILINEAR_MAX_WIDTH 7680

◆ VIF_TOOLS_H_

#define VIF_TOOLS_H_

Licensed under the BSD+Patent License (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

https://opensource.org/licenses/BSDplusPatent

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Enumeration Type Documentation

◆ vif_scaling_method

enum vif_scaling_method

Enumerator
vif_scale_nearest
vif_scale_bicubic
vif_scale_lanczos4
vif_scale_bilinear

Function Documentation

◆ speed_get_antialias_filter()

void speed_get_antialias_filter	(	float *	out,
		int	scale,
		float	kernelscale )

◆ vif_dec16_s()

void vif_dec16_s	(	const float *	src,
		float *	dst,
		int	src_w,
		int	src_h,
		int	src_stride,
		int	dst_stride )

◆ vif_dec2_s()

void vif_dec2_s	(	const float *	src,
		float *	dst,
		int	src_w,
		int	src_h,
		int	src_stride,
		int	dst_stride )

◆ vif_filter1d_s()

void vif_filter1d_s	(	const float *	f,
		const float *	src,
		float *	dst,
		float *	tmpbuf,
		int	w,
		int	h,
		int	src_stride,
		int	dst_stride,
		int	fwidth )

◆ vif_filter1d_sq_s()

void vif_filter1d_sq_s	(	const float *	f,
		const float *	src,
		float *	dst,
		float *	tmpbuf,
		int	w,
		int	h,
		int	src_stride,
		int	dst_stride,
		int	fwidth )

◆ vif_filter1d_xy_s()

void vif_filter1d_xy_s	(	const float *	f,
		const float *	src1,
		const float *	src2,
		float *	dst,
		float *	tmpbuf,
		int	w,
		int	h,
		int	src1_stride,
		int	src2_stride,
		int	dst_stride,
		int	fwidth )

◆ vif_get_filter()

void vif_get_filter	(	float *	out,
		int	scale,
		float	kernelscale )

◆ vif_get_filter_size()

int vif_get_filter_size	(	int	scale,
		float	kernelscale )

◆ vif_get_scaling_method()

int vif_get_scaling_method	(	char *	scaling_method_str,
		enum vif_scaling_method *	scale_method )

◆ vif_scale_frame_bilinear_precompute_columns_s()

void vif_scale_frame_bilinear_precompute_columns_s	(	int	src_w,
		int	dst_w,
		int *	x1a,
		int *	x2a,
		float *	dxa )

◆ vif_scale_frame_bilinear_precomputed_s()

void vif_scale_frame_bilinear_precomputed_s	(	const float *	src,
		float *	dst,
		int	src_w,
		int	src_h,
		int	src_stride,
		int	dst_w,
		int	dst_h,
		int	dst_stride,
		const int *	x1a,
		const int *	x2a,
		const float *	dxa )

◆ vif_scale_frame_s()

void vif_scale_frame_s	(	enum vif_scaling_method	scale_method,
		const float *	src,
		float *	dst,
		int	src_w,
		int	src_h,
		int	src_stride,
		int	dst_w,
		int	dst_h,
		int	dst_stride )

◆ vif_statistic_s()

void vif_statistic_s	(	const float *	mu1_sq,
		const float *	mu2_sq,
		const float *	xx_filt,
		const float *	yy_filt,
		const float *	xy_filt,
		float *	num,
		float *	den,
		int	w,
		int	h,
		int	mu1_sq_stride,
		int	mu2_sq_stride,
		int	xx_filt_stride,
		int	yy_filt_stride,
		int	xy_filt_stride,
		double	vif_enhn_gain_limit,
		double	vif_sigma_nsq )

◆ vif_sum_s()

float vif_sum_s	(	const float *	x,
		int	w,
		int	h,
		int	stride )

◆ vif_validate_kernelscale()

bool vif_validate_kernelscale ( float kernelscale )

Macros

Enumerations

Functions