2xbr.c File Reference

#include "softfilter.h"
#include <stdlib.h>
#include <string.h>
#include <math.h>

Include dependency graph for 2xbr.c:

Classes
struct	softfilter_thread_data
struct	filter_data

Macros
#define	TWOXBR_SCALE   2
#define	RED_MASK565   0xF800
#define	GREEN_MASK565   0x07E0
#define	BLUE_MASK565   0x001F
#define	PG_LBMASK565   0xF7DE
#define	RED_MASK8888   0x000000FF
#define	GREEN_MASK8888   0x0000FF00
#define	BLUE_MASK8888   0x00FF0000
#define	PG_LBMASK8888   0xFEFEFEFE
#define	ALPHA_MASK8888   0xFF000000
#define	ALPHA_BLEND_128_W(dst, src)   dst = ((src & pg_lbmask) >> 1) + ((dst & pg_lbmask) >> 1)
#define	ALPHA_BLEND_32_W(dst, src)
#define	ALPHA_BLEND_8888_32_W(dst, src)
#define	ALPHA_BLEND_64_W(dst, src)
#define	ALPHA_BLEND_8888_64_W(dst, src)
#define	ALPHA_BLEND_192_W(dst, src)
#define	ALPHA_BLEND_8888_192_W(dst, src)
#define	ALPHA_BLEND_224_W(dst, src)
#define	ALPHA_BLEND_8888_224_W(dst, src)
#define	LEFT_UP_2_2X(N3, N2, N1, PIXEL)
#define	LEFT_2_2X(N3, N2, PIXEL)
#define	UP_2_2X(N3, N1, PIXEL)
#define	DIA_2X(N3, PIXEL)   ALPHA_BLEND_128_W(E[N3], PIXEL); \
#define	LEFT_UP_2_8888_2X(N3, N2, N1, PIXEL)
#define	LEFT_2_8888_2X(N3, N2, PIXEL)
#define	UP_2_8888_2X(N3, N1, PIXEL)
#define	DIA_8888_2X(N3, PIXEL)   ALPHA_BLEND_128_W(E[N3], PIXEL); \
#define	df(Z, A, B)   abs(Z->RGBtoYUV[A] - Z->RGBtoYUV[B])\
#define	eq(Z, A, B)   (df(Z, A, B) < 155)\
#define	FILTRO_RGB565(Z, PE, _PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, N0, N1, N2, N3, pg_red_mask, pg_green_mask, pg_blue_mask)
#define	FILTRO_RGB8888(Z, PE, _PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, N0, N1, N2, N3, pg_red_mask, pg_green_mask, pg_blue_mask)
#define	twoxbr_function(FILTRO, Z)

Functions
static unsigned	twoxbr_generic_input_fmts (void)
static unsigned	twoxbr_generic_output_fmts (unsigned input_fmts)
static unsigned	twoxbr_generic_threads (void *data)
static void	SetupFormat (void *data)
static void *	twoxbr_generic_create (const struct softfilter_config *config, unsigned in_fmt, unsigned out_fmt, unsigned max_width, unsigned max_height, unsigned threads, softfilter_simd_mask_t simd, void *userdata)
static void	twoxbr_generic_output (void *data, unsigned *out_width, unsigned *out_height, unsigned width, unsigned height)
static void	twoxbr_generic_destroy (void *data)
float	df8 (uint32_t A, uint32_t B, uint32_t pg_red_mask, uint32_t pg_green_mask, uint32_t pg_blue_mask)
int	eq8 (uint32_t A, uint32_t B, uint32_t pg_red_mask, uint32_t pg_green_mask, uint32_t pg_blue_mask)
static void	twoxbr_generic_xrgb8888 (void *data, unsigned width, unsigned height, int first, int last, uint32_t *src, unsigned src_stride, uint32_t *dst, unsigned dst_stride)
static void	twoxbr_generic_rgb565 (void *data, unsigned width, unsigned height, int first, int last, uint16_t *src, unsigned src_stride, uint16_t *dst, unsigned dst_stride)
static void	twoxbr_work_cb_rgb565 (void *data, void *thread_data)
static void	twoxbr_work_cb_xrgb8888 (void *data, void *thread_data)
static void	twoxbr_generic_packets (void *data, struct softfilter_work_packet *packets, void *output, size_t output_stride, const void *input, unsigned width, unsigned height, size_t input_stride)
const struct softfilter_implementation *	softfilter_get_implementation (softfilter_simd_mask_t simd)

Variables
static const struct softfilter_implementation	twoxbr_generic

Macro Definition Documentation

ALPHA_BLEND_128_W

#define ALPHA_BLEND_128_W	(		dst,
			src
	)		dst = ((src & pg_lbmask) >> 1) + ((dst & pg_lbmask) >> 1)

ALPHA_BLEND_192_W

#define ALPHA_BLEND_192_W	(		dst,
			src
	)

Value:

dst = ( \
    (pg_red_mask & ((dst & pg_red_mask) + \
        ((((src & pg_red_mask) - \
        (dst & pg_red_mask)) * 192) >>8))) | \
    (pg_green_mask & ((dst & pg_green_mask) + \
        ((((src & pg_green_mask) - \
        (dst & pg_green_mask)) * 192) >>8))) | \
    (pg_blue_mask & ((dst & pg_blue_mask) + \
        ((((src & pg_blue_mask) - \
        (dst & pg_blue_mask)) * 192) >>8))) )

ALPHA_BLEND_224_W

#define ALPHA_BLEND_224_W	(		dst,
			src
	)

Value:

dst = ( \
    (pg_red_mask & ((dst & pg_red_mask) + \
        ((((src & pg_red_mask) - \
        (dst & pg_red_mask)) * 224) >>8))) | \
    (pg_green_mask & ((dst & pg_green_mask) + \
        ((((src & pg_green_mask) - \
        (dst & pg_green_mask)) * 224) >>8))) | \
    (pg_blue_mask & ((dst & pg_blue_mask) + \
        ((((src & pg_blue_mask) - \
        (dst & pg_blue_mask)) * 224) >>8))) );

ALPHA_BLEND_32_W

#define ALPHA_BLEND_32_W	(		dst,
			src
	)

Value:

dst = ( \
    (pg_red_mask & ((dst & pg_red_mask) + \
        ((((src & pg_red_mask) - \
        (dst & pg_red_mask))) >>3))) | \
    (pg_green_mask & ((dst & pg_green_mask) + \
        ((((src & pg_green_mask) - \
        (dst & pg_green_mask))) >>3))) | \
    (pg_blue_mask & ((dst & pg_blue_mask) + \
        ((((src & pg_blue_mask) - \
        (dst & pg_blue_mask))) >>3))) )

ALPHA_BLEND_64_W

#define ALPHA_BLEND_64_W	(		dst,
			src
	)

Value:

dst = ( \
    (pg_red_mask & ((dst & pg_red_mask) + \
        ((((src & pg_red_mask) - \
        (dst & pg_red_mask))) >>2))) | \
    (pg_green_mask & ((dst & pg_green_mask) + \
        ((((src & pg_green_mask) - \
        (dst & pg_green_mask))) >>2))) | \
    (pg_blue_mask & ((dst & pg_blue_mask) + \
        ((((src & pg_blue_mask) - \
        (dst & pg_blue_mask))) >>2))) )

ALPHA_BLEND_8888_192_W

#define ALPHA_BLEND_8888_192_W	(		dst,
			src
	)

Value:

dst = ( \
    (pg_red_mask & ((dst & pg_red_mask) + \
        ((((src & pg_red_mask) - \
        (dst & pg_red_mask)) * 192) >>8))) | \
    (pg_green_mask & ((dst & pg_green_mask) + \
        ((((src & pg_green_mask) - \
        (dst & pg_green_mask)) * 192) >>8))) | \
    (pg_blue_mask & ((dst & pg_blue_mask) + \
        ((((src & pg_blue_mask) - \
        (dst & pg_blue_mask)) * 192) >>8))) ) +\
        pg_alpha_mask

ALPHA_BLEND_8888_224_W

#define ALPHA_BLEND_8888_224_W	(		dst,
			src
	)

Value:

dst = ( \
    (pg_red_mask & ((dst & pg_red_mask) + \
        ((((src & pg_red_mask) - \
        (dst & pg_red_mask)) * 224) >>8))) | \
    (pg_green_mask & ((dst & pg_green_mask) + \
        ((((src & pg_green_mask) - \
        (dst & pg_green_mask)) * 224) >>8))) | \
    (pg_blue_mask & ((dst & pg_blue_mask) + \
        ((((src & pg_blue_mask) - \
        (dst & pg_blue_mask)) * 224) >>8))) ) +\
        pg_alpha_mask

ALPHA_BLEND_8888_32_W

#define ALPHA_BLEND_8888_32_W	(		dst,
			src
	)

Value:

dst = ( \
    (pg_red_mask & ((dst & pg_red_mask) + \
        ((((src & pg_red_mask) - \
        (dst & pg_red_mask))) >>3))) | \
    (pg_green_mask & ((dst & pg_green_mask) + \
        ((((src & pg_green_mask) - \
        (dst & pg_green_mask))) >>3))) | \
    (pg_blue_mask & ((dst & pg_blue_mask) + \
        ((((src & pg_blue_mask) - \
        (dst & pg_blue_mask))) >>3))) ) +\
        pg_alpha_mask

ALPHA_BLEND_8888_64_W

#define ALPHA_BLEND_8888_64_W	(		dst,
			src
	)

Value:

dst = ( \
    (pg_red_mask & ((dst & pg_red_mask) + \
        ((((src & pg_red_mask) - \
        (dst & pg_red_mask))) >>2))) | \
    (pg_green_mask & ((dst & pg_green_mask) + \
        ((((src & pg_green_mask) - \
        (dst & pg_green_mask))) >>2))) | \
    (pg_blue_mask & ((dst & pg_blue_mask) + \
        ((((src & pg_blue_mask) - \
        (dst & pg_blue_mask))) >>2))) ) +\
        pg_alpha_mask

ALPHA_MASK8888

#define ALPHA_MASK8888   0xFF000000

BLUE_MASK565

#define BLUE_MASK565   0x001F

BLUE_MASK8888

#define BLUE_MASK8888   0x00FF0000

df

#define df	(		Z,
			A,
			B
	)		abs(Z->RGBtoYUV[A] - Z->RGBtoYUV[B])\

DIA_2X

#define DIA_2X	(		N3,
			PIXEL
	)		ALPHA_BLEND_128_W(E[N3], PIXEL); \

DIA_8888_2X

#define DIA_8888_2X	(		N3,
			PIXEL
	)		ALPHA_BLEND_128_W(E[N3], PIXEL); \

eq

#define eq	(		Z,
			A,
			B
	)		(df(Z, A, B) < 155)\

FILTRO_RGB565

#define FILTRO_RGB565	(		Z,
			PE,
			_PI,
			PH,
			PF,
			PG,
			PC,
			PD,
			PB,
			PA,
			G5,
			C4,
			G0,
			D0,
			C1,
			B1,
			F4,
			I4,
			H5,
			I5,
			A0,
			A1,
			N0,
			N1,
			N2,
			N3,
			pg_red_mask,
			pg_green_mask,
			pg_blue_mask
	)

FILTRO_RGB8888

#define FILTRO_RGB8888	(		Z,
			PE,
			_PI,
			PH,
			PF,
			PG,
			PC,
			PD,
			PB,
			PA,
			G5,
			C4,
			G0,
			D0,
			C1,
			B1,
			F4,
			I4,
			H5,
			I5,
			A0,
			A1,
			N0,
			N1,
			N2,
			N3,
			pg_red_mask,
			pg_green_mask,
			pg_blue_mask
	)

GREEN_MASK565

#define GREEN_MASK565   0x07E0

GREEN_MASK8888

#define GREEN_MASK8888   0x0000FF00

LEFT_2_2X

#define LEFT_2_2X	(		N3,
			N2,
			PIXEL
	)

Value:

ALPHA_BLEND_192_W(E[N3], PIXEL); \
             ALPHA_BLEND_64_W( E[N2], PIXEL); \

LEFT_2_8888_2X

#define LEFT_2_8888_2X	(		N3,
			N2,
			PIXEL
	)

Value:

ALPHA_BLEND_8888_192_W(E[N3], PIXEL); \
             ALPHA_BLEND_8888_64_W( E[N2], PIXEL); \

LEFT_UP_2_2X

#define LEFT_UP_2_2X	(		N3,
			N2,
			N1,
			PIXEL
	)

Value:

ALPHA_BLEND_224_W(E[N3], PIXEL); \
             ALPHA_BLEND_64_W( E[N2], PIXEL); \
             E[N1] = E[N2]; \

LEFT_UP_2_8888_2X

#define LEFT_UP_2_8888_2X	(		N3,
			N2,
			N1,
			PIXEL
	)

Value:

ALPHA_BLEND_8888_224_W(E[N3], PIXEL); \
             ALPHA_BLEND_8888_64_W( E[N2], PIXEL); \
             E[N1] = E[N2]; \

PG_LBMASK565

#define PG_LBMASK565   0xF7DE

PG_LBMASK8888

#define PG_LBMASK8888   0xFEFEFEFE

RED_MASK565

#define RED_MASK565   0xF800

RED_MASK8888

#define RED_MASK8888   0x000000FF

twoxbr_function

#define twoxbr_function	(		FILTRO,
			Z
	)

Value:

E[0] = E[1] = E[2] = E[3] = PE;\
            FILTRO(Z, PE, _PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, 0, 1, 2, 3, pg_red_mask, pg_green_mask, pg_blue_mask);\
            FILTRO(Z, PE, PC, PF, PB, _PI, PA, PH, PD, PG, I4, A1, I5, H5, A0, D0, B1, C1, F4, C4, G5, G0, 2, 0, 3, 1, pg_red_mask, pg_green_mask, pg_blue_mask);\
            FILTRO(Z, PE, PA, PB, PD, PC, PG, PF, PH, _PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, 3, 2, 1, 0, pg_red_mask, pg_green_mask, pg_blue_mask);\
            FILTRO(Z, PE, PG, PD, PH, PA, _PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, 1, 3, 0, 2, pg_red_mask, pg_green_mask, pg_blue_mask);\
         out[0] = E[0]; \
         out[1] = E[1]; \
         out[dst_stride] = E[2]; \
         out[dst_stride + 1] = E[3]; \
         ++in; \
         out += 2

TWOXBR_SCALE

#define TWOXBR_SCALE   2

UP_2_2X

#define UP_2_2X	(		N3,
			N1,
			PIXEL
	)

Value:

ALPHA_BLEND_192_W(E[N3], PIXEL); \
             ALPHA_BLEND_64_W( E[N1], PIXEL); \

UP_2_8888_2X

#define UP_2_8888_2X	(		N3,
			N1,
			PIXEL
	)

Value:

ALPHA_BLEND_8888_192_W(E[N3], PIXEL); \
             ALPHA_BLEND_8888_64_W( E[N1], PIXEL); \

Function Documentation

df8()

float df8	(	uint32_t	A,
		uint32_t	B,
		uint32_t	pg_red_mask,
		uint32_t	pg_green_mask,
		uint32_t	pg_blue_mask
	)

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eq8()

int eq8	(	uint32_t	A,
		uint32_t	B,
		uint32_t	pg_red_mask,
		uint32_t	pg_green_mask,
		uint32_t	pg_blue_mask
	)

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SetupFormat()

static void SetupFormat ( void *  data )

static

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softfilter_get_implementation()

const struct softfilter_implementation* softfilter_get_implementation

(

softfilter_simd_mask_t

simd

)

twoxbr_generic_create()

static void* twoxbr_generic_create ( const struct softfilter_config *  config, unsigned  in_fmt, unsigned  out_fmt, unsigned  max_width, unsigned  max_height, unsigned  threads, softfilter_simd_mask_t  simd, void *  userdata  )

static

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twoxbr_generic_destroy()

static void twoxbr_generic_destroy ( void *  data )

static

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twoxbr_generic_input_fmts()

static unsigned twoxbr_generic_input_fmts ( void  )

static

twoxbr_generic_output()

static void twoxbr_generic_output ( void *  data, unsigned *  out_width, unsigned *  out_height, unsigned  width, unsigned  height  )

static

twoxbr_generic_output_fmts()

static unsigned twoxbr_generic_output_fmts ( unsigned  input_fmts )

static

twoxbr_generic_packets()

static void twoxbr_generic_packets ( void *  data, struct softfilter_work_packet *  packets, void *  output, size_t  output_stride, const void *  input, unsigned  width, unsigned  height, size_t  input_stride  )

static

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twoxbr_generic_rgb565()

static void twoxbr_generic_rgb565 ( void *  data, unsigned  width, unsigned  height, int  first, int  last, uint16_t *  src, unsigned  src_stride, uint16_t *  dst, unsigned  dst_stride  )

static

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twoxbr_generic_threads()

static unsigned twoxbr_generic_threads ( void *  data )

static

twoxbr_generic_xrgb8888()

static void twoxbr_generic_xrgb8888 ( void *  data, unsigned  width, unsigned  height, int  first, int  last, uint32_t *  src, unsigned  src_stride, uint32_t *  dst, unsigned  dst_stride  )

static

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twoxbr_work_cb_rgb565()

static void twoxbr_work_cb_rgb565 ( void *  data, void *  thread_data  )

static

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twoxbr_work_cb_xrgb8888()

static void twoxbr_work_cb_xrgb8888 ( void *  data, void *  thread_data  )

static

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Variable Documentation

twoxbr_generic

const struct softfilter_implementation twoxbr_generic

static

Initial value:

= {
   twoxbr_generic_input_fmts,
   twoxbr_generic_output_fmts,

   twoxbr_generic_create,
   twoxbr_generic_destroy,

   twoxbr_generic_threads,
   twoxbr_generic_output,
   twoxbr_generic_packets,
   SOFTFILTER_API_VERSION,
   "2xBR",
   "2xbr",
}