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DemoasicFrames.cpp
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/*! @file DemoasicFrames.cpp
* @brief CFA Bayer tools
*
* @version 1.0.0
*
* (C) Copyright 2017 GoPro Inc (http://gopro.com/).
*
* Licensed under either:
* - Apache License, Version 2.0, http://www.apache.org/licenses/LICENSE-2.0
* - MIT license, http://opensource.org/licenses/MIT
* at your option.
*
* 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.
*
*/
#define DEMOSAICFRAMESLIB_EXPORTS
#define __STDC_LIMIT_MACROS
#include <stdint.h>
#include <math.h>
#include <assert.h>
#include <emmintrin.h> // SSE2 intrinsics
#ifdef _WIN32
#include <windows.h>
//#include <atlbase.h> // Required for VS2005 but not 2003
#elif __APPLE__
#include <sys/stat.h> // for _mkdir()
#include <unistd.h> // for usleep()
#include <CoreFoundation/CoreFoundation.h> // for propertylist/preferences
#else
#include <sys/stat.h> // for _mkdir()
#include <unistd.h> // for usleep()
#include <xmmintrin.h>
#endif
#include "../Common/AVIExtendedHeader.h"
#define MAX_PATH 260
#include "codec.h"
//#include "swap.h"
#define SwapInt32(x) ((((x)&0xff000000)>>24)|(((x)&0xff0000)>>8)|(((x)&0xff00)<<8)|(((x)&0xff)<<24))
#if 0
#include "DemoasicFrames.h"
#else
#include "config.h"
#include "encoder.h"
#include "color.h"
#include "metadata.h"
#include "convert.h"
#include "draw.h"
#include "lutpath.h"
#include "DemoasicFrames.h"
#ifdef SPI_LOADER
#include "spi.h"
#include "keyframes.h"
#endif
typedef int DEBAYER_ORDERING;
#define BAYER_FORMAT_RED_GRN 0
#define BAYER_FORMAT_GRN_RED 1
#define BAYER_FORMAT_GRN_BLU 2
#define BAYER_FORMAT_BLU_GRN 3
#ifdef __cplusplus
extern "C" {
#endif
// Forward references
void NewControlPoint(DECODER *decoder, unsigned char *ptr, int len, int delta, int priority);
uint32_t gencrc(unsigned char *buf, int len);
void GetCurrentID(DECODER *decoder, unsigned char *ptr, unsigned int len, char *id, unsigned int id_size);
void UpdateCFHDDATA(DECODER *decoder, unsigned char *ptr, int len, int delta, int priority);
void DebayerLine(int width, int height, int linenum,
unsigned short *bayer_source,
DEBAYER_ORDERING order,
unsigned short *RGB_output,
int highquality,
int sharpening);
void ColorDifference2Bayer(int width,
unsigned short *srcptr,
int bayer_pitch,
int bayer_format);
void BayerRippleFilter( int width,
unsigned short *srcptr,
int bayer_pitch,
int bayer_formatm,
unsigned short *srcbase);
void FastVignetteInplaceWP13(DECODER *decoder, int displayWidth, int width, int height, int y, float r1, float r2, float gain,
int16_t *sptr, int resolution, int pixelsize);
void FastSharpeningBlurHinplaceWP13(int width, int16_t *sptr, float sharpness, int resolution, int pixelsize);
void FastSharpeningBlurVWP13( short *Aptr,
short *Bptr,
short *Cptr,
short *Dptr,
short *Eptr,
int pitch,
int edgenear,
short *output,
int pixels,
float sharpness,
int resolution,
int channel_blend_type);
void FastSharpeningBlurVW13A( short *Aptr,
short *Bptr,
short *Cptr,
short *Dptr,
short *Eptr,
int pitch,
int edgenear,
short *output,
int pixels,
float sharpness,
int resolution,
int channel_blend_type);
//float *LoadCube64_3DLUT(DECODER *decoder, CFHDDATA *cfhddata, int *lutsize);
#ifdef __cplusplus
}
#endif
#endif
#define MAKEID(a,b,c,d) ((a<<24)|(b<<16)|(c<<8)|(d))
#define MAKEID_SWAP(d,c,b,a) ((a<<24)|(b<<16)|(c<<8)|(d))
#define T_VALUE 15*256
#define SATURATE16(x) (((x) > 0) ? (((x) <= 65535) ? (x) : 65535) : 0)
#define DEBAYER5x5 1
#define CF_ENHANCE 1 //CineForm Enhancement Debayer
inline void REDCELL(unsigned short *rgbptr, unsigned short *bayerptr, int width)
{
int r,g,b;
{/* normal 5x5 */
#if CF_ENHANCE
int diffR = abs((int)bayerptr[-2] - (int)bayerptr[2])>>10;
int diffG = abs((int)bayerptr[-1] - (int)bayerptr[1])>>10;
int diffB = abs((int)bayerptr[-1*width-1] - (int)bayerptr[1*width+1])>>10;
int factorR = (2+(2*diffR*diffR/(2+diffG*diffG)));
int factorB = (4+(4*diffG*diffG/(2+diffB*diffB)));
r = bayerptr[0]; //r
g = ( bayerptr[-2*width]*-1
+ bayerptr[-1*width]*factorR
+ bayerptr[-2]*-1 + bayerptr[-1]*factorR + bayerptr[0]*4 + bayerptr[1]*factorR + bayerptr[2]*-1
+ bayerptr[+1*width]*factorR
+ bayerptr[+2*width]*-1 ) /(4*factorR); //g
b = ( bayerptr[-2*width]*-3
+ bayerptr[-1*width-1]*factorB + bayerptr[-1*width+1]*factorB
+ bayerptr[-2]*-3 + bayerptr[0]*12 + bayerptr[2]*-3
+ bayerptr[+1*width-1]*factorB + bayerptr[+1*width+1]*factorB
+ bayerptr[+2*width]*-3 ) / (4*factorB); //b
#else
r = bayerptr[0]; //r
g = ( bayerptr[-2*width]*-1
+ bayerptr[-1*width]*2
+ bayerptr[-2]*-1 + bayerptr[-1]*2 + bayerptr[0]*4 + bayerptr[1]*2 + bayerptr[2]*-1
+ bayerptr[+1*width]*2
+ bayerptr[+2*width]*-1 ) >> 3; //g
b = ( bayerptr[-2*width]*-3
+ bayerptr[-1*width-1]*4 + bayerptr[-1*width+1]*4
+ bayerptr[-2]*-3 + bayerptr[0]*12 + bayerptr[2]*-3
+ bayerptr[+1*width-1]*4 + bayerptr[+1*width+1]*4
+ bayerptr[+2*width]*-3 ) >> 4; //b
#endif
}
*rgbptr++ = (r);
*rgbptr++ = SATURATE16(g);
*rgbptr++ = SATURATE16(b);
}
inline void GRNREDCELL(unsigned short *rgbptr, unsigned short *bayerptr, int width)
{
int r,g,b;
{/* normal 5x5 */
#if CF_ENHANCE
int diffR = abs((int)bayerptr[-1] - (int)bayerptr[1])>>10;
int diffG = abs((int)bayerptr[-2] - (int)bayerptr[2])>>10;
int diffB = abs((int)bayerptr[-1*width] - (int)bayerptr[1*width])>>10;
int factorR = (8+(4*diffG*diffG/(2+diffR*diffR)));
int factorB = (8+(4*diffG*diffG/(2+diffB*diffB)));
r = ( bayerptr[-2*width]*1
+ bayerptr[-1*width-1]*-2 + bayerptr[-1*width+1]*-2
+ bayerptr[-2]*-2 + bayerptr[-1]*factorR + bayerptr[0]*10 + bayerptr[1]*factorR + bayerptr[2]*-2
+ bayerptr[+1*width-1]*-2 + bayerptr[+1*width+1]*-2
+ bayerptr[+2*width]*1 ) /(factorR*2); //r
g = bayerptr[0]; //g
b = ( bayerptr[-2*width]*-2
+ bayerptr[-1*width-1]*-2 + bayerptr[-1*width]*factorB + bayerptr[-1*width+1]*-2
+ bayerptr[-2]*1 + bayerptr[0]*10 + bayerptr[2]*1
+ bayerptr[+1*width-1]*-2 + bayerptr[+1*width]*factorB + bayerptr[+1*width+1]*-2
+ bayerptr[+2*width]*-2 ) / (factorB*2); //b
#else
r = (( bayerptr[-2*width]*1
+ bayerptr[-1*width-1]*-2 + bayerptr[-1*width+1]*-2
+ bayerptr[-2]*-2 + bayerptr[-1]*8 + bayerptr[0]*10 + bayerptr[1]*8 + bayerptr[2]*-2
+ bayerptr[+1*width-1]*-2 + bayerptr[+1*width+1]*-2
+ bayerptr[+2*width]*1 ) >> 4); //r
g = bayerptr[0]; //g
b = ( bayerptr[-2*width]*-2
+ bayerptr[-1*width-1]*-2 + bayerptr[-1*width]*8 + bayerptr[-1*width+1]*-2
+ bayerptr[-2]*1 + bayerptr[0]*10 + bayerptr[2]*1
+ bayerptr[+1*width-1]*-2 + bayerptr[+1*width]*8 + bayerptr[+1*width+1]*-2
+ bayerptr[+2*width]*-2 ) >> 4; //b
#endif
}
*rgbptr++ = SATURATE16(r);
*rgbptr++ = (g);
*rgbptr++ = SATURATE16(b);
}
inline void GRNBLUCELL(unsigned short *rgbptr, unsigned short *bayerptr, int width)
{
int r,g,b;
{/* normal 5x5 */
#if CF_ENHANCE
int diffR = abs((int)bayerptr[-1*width] - (int)bayerptr[1*width])>>10;
int diffG = abs((int)bayerptr[-2*width] - (int)bayerptr[2*width])>>10;
int diffB = abs((int)bayerptr[-1] - (int)bayerptr[1])>>10;
int factorR = (8+(4*diffG*diffG/(2+diffR*diffR)));
int factorB = (8+(4*diffG*diffG/(2+diffB*diffB)));
r = ( bayerptr[-2*width]*-2
+ bayerptr[-1*width-1]*-2 + bayerptr[-1*width]*factorR + bayerptr[-1*width+1]*-2
+ bayerptr[-2]*1 + bayerptr[0]*10 + bayerptr[2]*1
+ bayerptr[+1*width-1]*-2 + bayerptr[+1*width]*factorR + bayerptr[+1*width+1]*-2
+ bayerptr[+2*width]*-2 ) / (factorR*2); //r
g = bayerptr[0]; //g
b = ( bayerptr[-2*width]*1
+ bayerptr[-1*width-1]*-2 + bayerptr[-1*width+1]*-2
+ bayerptr[-2]*-2 + bayerptr[-1]*factorB + bayerptr[0]*10 + bayerptr[1]*factorB + bayerptr[2]*-2
+ bayerptr[+1*width-1]*-2 + bayerptr[+1*width+1]*-2
+ bayerptr[+2*width]*1 ) / (factorB*2); //b
#else
r = (( bayerptr[-2*width]*-2
+ bayerptr[-1*width-1]*-2 + bayerptr[-1*width]*8 + bayerptr[-1*width+1]*-2
+ bayerptr[-2]*1 + bayerptr[0]*10 + bayerptr[2]*1
+ bayerptr[+1*width-1]*-2 + bayerptr[+1*width]*8 + bayerptr[+1*width+1]*-2
+ bayerptr[+2*width]*-2 ) >> 4);
g = bayerptr[0]; //g
b = ( bayerptr[-2*width]*1
+ bayerptr[-1*width-1]*-2 + bayerptr[-1*width+1]*-2
+ bayerptr[-2]*-2 + bayerptr[-1]*8 + bayerptr[0]*10 + bayerptr[1]*8 + bayerptr[2]*-2
+ bayerptr[+1*width-1]*-2 + bayerptr[+1*width+1]*-2
+ bayerptr[+2*width]*1 ) >> 4; //b
#endif
}
*rgbptr++ = SATURATE16(r);
*rgbptr++ = (g);
*rgbptr++ = SATURATE16(b);
}
inline void BLUCELL(unsigned short *rgbptr, unsigned short *bayerptr, int width)
{
int r,g,b;
{/* normal 5x5 */
#if CF_ENHANCE
int diffR = abs((int)bayerptr[-1*width-1] - (int)bayerptr[+1*width+1])>>10;
int diffG = abs((int)bayerptr[-1] - (int)bayerptr[1])>>10;
int diffB = abs((int)bayerptr[-2] - (int)bayerptr[2])>>10;
int factorR = (4+(4*diffG*diffG/(2+diffR*diffR)));
int factorB = (2+(2*diffB*diffB/(2+diffG*diffG)));
r = ( bayerptr[-2*width]*-3
+ bayerptr[-1*width-1]*factorR + bayerptr[-1*width+1]*factorR
+ bayerptr[-2]*-3 + bayerptr[0]*12 + bayerptr[2]*-3
+ bayerptr[+1*width-1]*factorR + bayerptr[+1*width+1]*factorR
+ bayerptr[+2*width]*-3 ) / (factorR*4);
g = ( bayerptr[-2*width]*-1
+ bayerptr[-1*width]*factorB
+ bayerptr[-2]*-1 + bayerptr[-1]*factorB + bayerptr[0]*4 + bayerptr[1]*factorB + bayerptr[2]*-1
+ bayerptr[+1*width]*factorB
+ bayerptr[+2*width]*-1 ) / (factorB*4); //g
b = bayerptr[0]; //b
#else
r = (( bayerptr[-2*width]*-3
+ bayerptr[-1*width-1]*4 + bayerptr[-1*width+1]*4
+ bayerptr[-2]*-3 + bayerptr[0]*12 + bayerptr[2]*-3
+ bayerptr[+1*width-1]*4 + bayerptr[+1*width+1]*4
+ bayerptr[+2*width]*-3 ) >> 4);
g = ( bayerptr[-2*width]*-1
+ bayerptr[-1*width]*2
+ bayerptr[-2]*-1 + bayerptr[-1]*2 + bayerptr[0]*4 + bayerptr[1]*2 + bayerptr[2]*-1
+ bayerptr[+1*width]*2
+ bayerptr[+2*width]*-1 ) >> 3; //g
b = bayerptr[0]; //b
#endif
}
*rgbptr++ = SATURATE16(r);
*rgbptr++ = SATURATE16(g);
*rgbptr++ = (b);
}
void FastSharpeningBlurHinplace(int width, unsigned short *sptr, int sharpness)
{
int i=0,shift=2,B,C;
uint16_t *outptr = sptr;
int rneg1,rneg2;
int gneg1,gneg2;
int bneg1,bneg2;
// *outptr++ = *sptr++; //R
// *outptr++ = *sptr++; //G
// *outptr++ = *sptr++; //B
rneg2 = *sptr++; //R
gneg2 = *sptr++; //G
bneg2 = *sptr++; //B
// blur 1,2,1
// *outptr++ = (sptr[-3] + sptr[0]*2 + sptr[3])>>2; sptr++; //R
// *outptr++ = (sptr[-3] + sptr[0]*2 + sptr[3])>>2; sptr++; //G
// *outptr++ = (sptr[-3] + sptr[0]*2 + sptr[3])>>2; sptr++; //B
rneg1 = ((sptr[-3] + sptr[0]*2 + sptr[3])>>2); sptr++; //R
gneg1 = ((sptr[-3] + sptr[0]*2 + sptr[3])>>2); sptr++; //G
bneg1 = ((sptr[-3] + sptr[0]*2 + sptr[3])>>2); sptr++; //B
switch(sharpness)
{
default:
case 3: //highest sharpen
shift = 2; B = 1; C = 4;
break;
case 2: //nice sharpen
shift = 3; B = 2; C = 6;
break;
case 1: //small sharpen
shift = 4; B = 4; C = 10;
break;
}
for(i=2;i<width-2;i++)
{
*outptr++ = SATURATE16((-sptr[-6] + sptr[-3]*B + sptr[0]*C + sptr[3]*B -sptr[6])>>shift); sptr++; //R
*outptr++ = SATURATE16((-sptr[-6] + sptr[-3]*B + sptr[0]*C + sptr[3]*B -sptr[6])>>shift); sptr++; //G
*outptr++ = SATURATE16((-sptr[-6] + sptr[-3]*B + sptr[0]*C + sptr[3]*B -sptr[6])>>shift); sptr++; //B
}
// blur 1,2,1
*outptr++ = ((sptr[-3] + sptr[0]*2 + sptr[3])>>2); sptr++; //R
*outptr++ = ((sptr[-3] + sptr[0]*2 + sptr[3])>>2); sptr++; //G
*outptr++ = ((sptr[-3] + sptr[0]*2 + sptr[3])>>2); sptr++; //B
*outptr++ = *sptr++; //R
*outptr++ = *sptr++; //G
*outptr++ = *sptr++; //B
outptr += 5;
for(i=2;i<width;i++)
{
//TODO: The GCC compiler warns that the operation on outptr may be undefined
// *outptr-- = outptr[-6];
// *outptr-- = outptr[-6];
// *outptr-- = outptr[-6];
outptr[0] = outptr[-6];
outptr[-1] = outptr[-7];
outptr[-2] = outptr[-8];
outptr -= 3;
}
*outptr-- = bneg1;
*outptr-- = gneg1;
*outptr-- = rneg1;
*outptr-- = bneg2;
*outptr-- = gneg2;
*outptr-- = rneg2;
}
void FastVignetteInplaceWP13(DECODER *decoder, int displayWidth, int width, int height, int y, float r1, float r2, float gain,
int16_t *sptr, int resolution, int pixelsize)
{
//int i=0,shift=2,D=0;
int16_t *outptr = sptr;
int16_t *outpt2 = sptr + (displayWidth-1) * pixelsize / 2;
int xinner,xouter;
int x;
float xstep = 2.0f/(float)(displayWidth);
float xpos = -1.0f; // far left
float ypos = 2.0f * (float)(height/2 - y)/(float)width;
ypos *= ypos;
r1 *= r1;
r2 *= r2;
xinner = (width/2) - (int)((float)(width/2) * r1);
xouter = (width/2) - (int)((float)(width/2) * r2);
if(pixelsize == 6)
{
for(x=0;x<displayWidth/2;x++)
{
float r = xpos*xpos + ypos;
if(r2 < r)
{
if(gain == 0.0)
{
outptr[0] = 0; //R
outptr[1] = 0; //G
outptr[2] = 0; //B
outpt2[0] = 0; //R
outpt2[1] = 0; //G
outpt2[2] = 0; //B
}
else
{
float Af = gain;
if(outptr[0] >= 0)
outptr[0] = (int)sqrtf((float)outptr[0]*(float)outptr[0]*Af); //R
else
outptr[0] = -(int)sqrtf((float)outptr[0]*(float)outptr[0]*Af); //R
if(outptr[1] >= 0)
outptr[1] = (int)sqrtf((float)outptr[1]*(float)outptr[1]*Af); //G
else
outptr[1] = -(int)sqrtf((float)outptr[1]*(float)outptr[1]*Af); //G
if(outptr[2] >= 0)
outptr[2] = (int)sqrtf((float)outptr[2]*(float)outptr[2]*Af); //B
else
outptr[2] = -(int)sqrtf((float)outptr[2]*(float)outptr[2]*Af); //B
if(outpt2[0] >= 0)
outpt2[0] = (int)sqrtf((float)outpt2[0]*(float)outpt2[0]*Af); //R
else
outpt2[0] = -(int)sqrtf((float)outpt2[0]*(float)outpt2[0]*Af); //R
if(outpt2[1] >= 0)
outpt2[1] = (int)sqrtf((float)outpt2[1]*(float)outpt2[1]*Af); //G
else
outpt2[1] = -(int)sqrtf((float)outpt2[1]*(float)outpt2[1]*Af); //G
if(outpt2[2] >= 0)
outpt2[2] = (int)sqrtf((float)outpt2[2]*(float)outpt2[2]*Af); //B
else
outpt2[2] = -(int)sqrtf((float)outpt2[2]*(float)outpt2[2]*Af); //B
}
}
else if(r1 < r)
{
float Af = (r2 - r) / (r2 - r1);
Af -= 0.5f;
Af *= 2.0f;
Af /= (1.0f + fabsf(Af));
Af += 0.5f;
Af *= (1.0f-gain);
Af += gain;
if(outptr[0] >= 0)
outptr[0] = (int)sqrtf((float)outptr[0]*(float)outptr[0]*Af); //R
else
outptr[0] = -(int)sqrtf((float)outptr[0]*(float)outptr[0]*Af); //R
if(outptr[1] >= 0)
outptr[1] = (int)sqrtf((float)outptr[1]*(float)outptr[1]*Af); //G
else
outptr[1] = -(int)sqrtf((float)outptr[1]*(float)outptr[1]*Af); //G
if(outptr[2] >= 0)
outptr[2] = (int)sqrtf((float)outptr[2]*(float)outptr[2]*Af); //B
else
outptr[2] = -(int)sqrtf((float)outptr[2]*(float)outptr[2]*Af); //B
if(outpt2[0] >= 0)
outpt2[0] = (int)sqrtf((float)outpt2[0]*(float)outpt2[0]*Af); //R
else
outpt2[0] = -(int)sqrtf((float)outpt2[0]*(float)outpt2[0]*Af); //R
if(outpt2[1] >= 0)
outpt2[1] = (int)sqrtf((float)outpt2[1]*(float)outpt2[1]*Af); //G
else
outpt2[1] = -(int)sqrtf((float)outpt2[1]*(float)outpt2[1]*Af); //G
if(outpt2[2] >= 0)
outpt2[2] = (int)sqrtf((float)outpt2[2]*(float)outpt2[2]*Af); //B
else
outpt2[2] = -(int)sqrtf((float)outpt2[2]*(float)outpt2[2]*Af); //B
}
else
{
break;
}
outptr+=3;
outpt2-=3;
xpos += xstep;
}
}
else
{
}
}
void FastSharpeningBlurHinplaceWP13(int width, int16_t *sptr, float sharpness, int resolution, int pixelsize)
{
int i=0,shift=2,A,B,C,taps=1;
int16_t *outptr = sptr;
int rneg1,rneg2;
int gneg1,gneg2;
int bneg1,bneg2;
int aneg1,aneg2;
int diff;
int adiff;
switch(resolution)
{
case DECODED_RESOLUTION_FULL:
case DECODED_RESOLUTION_FULL_DEBAYER:
case DECODED_RESOLUTION_HALF_VERTICAL:
taps = 5;
break;
case DECODED_RESOLUTION_HALF:
case DECODED_RESOLUTION_HALF_NODEBAYER:
case DECODED_RESOLUTION_HALF_HORIZONTAL_DEBAYER:
case DECODED_RESOLUTION_HALF_HORIZONTAL:
taps = 3;
break;
case DECODED_RESOLUTION_QUARTER:
case DECODED_RESOLUTION_LOWPASS_ONLY:
case DECODED_RESOLUTION_QUARTER_NODEBAYER_SCALED:
taps = 1;
break;
}
if(sharpness < 0.0)
{
diff = (int)(256.0f * (-sharpness * 4.0f - (float)((int)(-sharpness * 4.0f))));
adiff = 256 - diff;
if(pixelsize == 6)
{
if(taps == 5)
{
switch(-1 + (int)(sharpness * 4.0))
{
case -5://highest blur
diff = 256;
case -4: //blur
sptr += 4*3;
shift = 4+8; //A = 2; B = 4; C = 4 0,4,8,4,0
A = 4096 / 9 * diff / 256;
B = (4096 - A*2) / 7;
for(i=4;i<width-4;i++)
{
outptr[0] = (((sptr[-12] + sptr[12])*A + (sptr[-9] + sptr[-6] + sptr[-3] + sptr[0] + sptr[3] + sptr[6] + sptr[9])*B)>>shift); //R
outptr[1] = (((sptr[-11] + sptr[13])*A + (sptr[-8] + sptr[-5] + sptr[-2] + sptr[1] + sptr[4] + sptr[7] + sptr[10])*B)>>shift); //G
outptr[2] = (((sptr[-10] + sptr[14])*A + (sptr[-7] + sptr[-4] + sptr[-1] + sptr[2] + sptr[5] + sptr[8] + sptr[11])*B)>>shift); //B
sptr += 3;
outptr += 3;
}
for(i=4;i<width-8;i++)
{
outptr -= 3;
outptr[0] = outptr[-12];
outptr[1] = outptr[-11];
outptr[2] = outptr[-10];
}
outptr -= 3;
outptr[0] = outptr[-9];
outptr[1] = outptr[-8];
outptr[2] = outptr[-7];
outptr -= 3;
outptr[0] = outptr[-6];
outptr[1] = outptr[-5];
outptr[2] = outptr[-4];
outptr -= 3;
outptr[0] = outptr[-3];
outptr[1] = outptr[-2];
outptr[2] = outptr[-1];
break;
case -3: //blur
sptr += 3*3;
shift = 4+8; //A = 2; B = 4; C = 4 0,4,8,4,0
A = 4096 / 7 * diff / 256;
B = (4096 - A*2) / 5;
for(i=3;i<width-3;i++)
{
outptr[0] = (((sptr[-9]+ sptr[9])*A + (sptr[-6] + sptr[-3] + sptr[0] + sptr[3] + sptr[6])*B )>>shift); //R
outptr[1] = (((sptr[-8]+sptr[10])*A + (sptr[-5] + sptr[-2] + sptr[1] + sptr[4] + sptr[7])*B )>>shift); //G
outptr[2] = (((sptr[-7]+sptr[11])*A + (sptr[-4] + sptr[-1] + sptr[2] + sptr[5] + sptr[8])*B )>>shift); //B
sptr += 3;
outptr += 3;
}
for(i=3;i<width-6;i++)
{
outptr -= 3;
outptr[0] = outptr[-9];
outptr[1] = outptr[-8];
outptr[2] = outptr[-7];
}
outptr -= 3;
outptr[0] = outptr[-6];
outptr[1] = outptr[-5];
outptr[2] = outptr[-4];
outptr -= 3;
outptr[0] = outptr[-3];
outptr[1] = outptr[-2];
outptr[2] = outptr[-1];
break;
case -2: //blur
sptr += 2*3;
shift = 4+8; //A = 2; B = 4; C = 4 0,4,8,4,0
A = 0 * adiff + 2 * diff;
B = 4 * adiff + 4 * diff;
C = 8 * adiff + 4 * diff;
for(i=2;i<width-2;i++)
{
outptr[0] = ((sptr[-6]*A + sptr[-3]*B + sptr[0]*C + sptr[3]*B + sptr[6]*A)>>shift); //R
outptr[1] = ((sptr[-5]*A + sptr[-2]*B + sptr[1]*C + sptr[4]*B + sptr[7]*A)>>shift); //G
outptr[2] = ((sptr[-4]*A + sptr[-1]*B + sptr[2]*C + sptr[5]*B + sptr[8]*A)>>shift); //B
sptr += 3;
outptr += 3;
}
for(i=2;i<width-4;i++)
{
outptr -= 3;
outptr[0] = outptr[-6];
outptr[1] = outptr[-5];
outptr[2] = outptr[-4];
}
outptr -= 3;
outptr[0] = outptr[-3];
outptr[1] = outptr[-2];
outptr[2] = outptr[-1];
break;
case -1: //small blur
sptr += 2*3;
shift = 4+8; //A = 0; B = 1; C = 14 0,2,12,2,0
A = 0 * adiff + 0 * diff;
B = 0 * adiff + 4 * diff;
C = 16 * adiff + 8 * diff;
for(i=2;i<width-2;i++)
{
outptr[0] = ((sptr[-6]*A + sptr[-3]*B + sptr[0]*C + sptr[3]*B + sptr[6]*A)>>shift); //R
outptr[1] = ((sptr[-5]*A + sptr[-2]*B + sptr[1]*C + sptr[4]*B + sptr[7]*A)>>shift); //G
outptr[2] = ((sptr[-4]*A + sptr[-1]*B + sptr[2]*C + sptr[5]*B + sptr[8]*A)>>shift); //B
sptr += 3;
outptr += 3;
}
for(i=2;i<width-4;i++)
{
outptr -= 3;
outptr[0] = outptr[-6];
outptr[1] = outptr[-5];
outptr[2] = outptr[-4];
}
outptr -= 3;
outptr[0] = outptr[-3];
outptr[1] = outptr[-2];
outptr[2] = outptr[-1];
break;
}
}
else if(taps == 3)
{
diff = (int)(256.0f * (-sharpness - (float)((int)(-sharpness*0.999f))));
adiff = 256 - diff;
{
sptr += 2*3;
shift = 4+8; //A = 0; B = 1; C = 14 0,2,12,2,0
A = 0 * adiff + 2 * diff;
B = 0 * adiff + 4 * diff;
C = 16 * adiff + 4 * diff;
for(i=2;i<width-2;i++)
{
outptr[0] = ((sptr[-6]*A + sptr[-3]*B + sptr[0]*C + sptr[3]*B + sptr[6]*A)>>shift); //R
outptr[1] = ((sptr[-5]*A + sptr[-2]*B + sptr[1]*C + sptr[4]*B + sptr[7]*A)>>shift); //G
outptr[2] = ((sptr[-4]*A + sptr[-1]*B + sptr[2]*C + sptr[5]*B + sptr[8]*A)>>shift); //B
sptr += 3;
outptr += 3;
}
for(i=2;i<width-4;i++)
{
outptr -= 3;
outptr[0] = outptr[-6];
outptr[1] = outptr[-5];
outptr[2] = outptr[-4];
}
outptr -= 3;
outptr[0] = outptr[-3];
outptr[1] = outptr[-2];
outptr[2] = outptr[-1];
}
}
}
else
{
if(taps == 5)
{
switch((int)(sharpness * 5.0))
{
case -5://highest blur
diff = 256;
case -4: //blur
sptr += 4*4;
shift = 4+8; //A = 2; B = 4; C = 4 0,4,8,4,0
A = 4096 / 9 * diff / 256;
B = (4096 - A*2) / 7;
for(i=4;i<width-4;i++)
{
outptr[0] = (((sptr[-16] + sptr[16])*A + (sptr[-12] + sptr[-8] + sptr[-4] + sptr[0] + sptr[4] + sptr[8] + sptr[12])*B)>>shift); //R
outptr[1] = (((sptr[-15] + sptr[17])*A + (sptr[-11] + sptr[-7] + sptr[-3] + sptr[1] + sptr[5] + sptr[9] + sptr[13])*B)>>shift); //G
outptr[2] = (((sptr[-14] + sptr[18])*A + (sptr[-10] + sptr[-6] + sptr[-2] + sptr[2] + sptr[6] + sptr[10]+ sptr[14])*B)>>shift);
outptr[3] = sptr[3]; //A //B
sptr += 4;
outptr += 4;
}
for(i=4;i<width-8;i++)
{
outptr -= 4;
outptr[0] = outptr[-16];
outptr[1] = outptr[-15];
outptr[2] = outptr[-14];
outptr[3] = outptr[-13]; //A
}
outptr -= 4;
outptr[0] = outptr[-12];
outptr[1] = outptr[-11];
outptr[2] = outptr[-10];
outptr[3] = outptr[-9];
outptr -= 4;
outptr[0] = outptr[-8];
outptr[1] = outptr[-7];
outptr[2] = outptr[-6];
outptr[3] = outptr[-5];
outptr -= 4;
outptr[0] = outptr[-4];
outptr[1] = outptr[-3];
outptr[2] = outptr[-2];
outptr[3] = outptr[-1];
break;
case -3: //blur
sptr += 3*4;
shift = 4+8; //A = 2; B = 4; C = 4 0,4,8,4,0
A = 4096 / 7 * diff / 256;
B = (4096 - A*2) / 5;
for(i=3;i<width-3;i++)
{
outptr[0] = (((sptr[-12] + sptr[12])*A + (sptr[-8] + sptr[-4] + sptr[0] + sptr[4] + sptr[8] )*B)>>shift); //R
outptr[1] = (((sptr[-11] + sptr[13])*A + (sptr[-7] + sptr[-3] + sptr[1] + sptr[5] + sptr[9] )*B)>>shift); //G
outptr[2] = (((sptr[-10] + sptr[14])*A + (sptr[-6] + sptr[-2] + sptr[2] + sptr[6] + sptr[10])*B)>>shift);
outptr[3] = sptr[3]; //A //B
sptr += 4;
outptr += 4;
}
for(i=3;i<width-6;i++)
{
outptr -= 4;
outptr[0] = outptr[-12];
outptr[1] = outptr[-11];
outptr[2] = outptr[-10];
outptr[3] = outptr[-9];
}
outptr -= 4;
outptr[0] = outptr[-8];
outptr[1] = outptr[-7];
outptr[2] = outptr[-6];
outptr[3] = outptr[-5];
outptr -= 4;
outptr[0] = outptr[-4];
outptr[1] = outptr[-3];
outptr[2] = outptr[-2];
outptr[3] = outptr[-1];
break;
case -2: //blur
sptr += 2*4;
shift = 4+8; //A = 2; B = 4; C = 4 0,4,8,4,0
A = 0 * adiff + 2 * diff;
B = 4 * adiff + 4 * diff;
C = 8 * adiff + 4 * diff;
for(i=2;i<width-2;i++)
{
outptr[0] = ((sptr[-8]*A + sptr[-4]*B + sptr[0]*C + sptr[4]*B + sptr[8]*A)>>shift); //R
outptr[1] = ((sptr[-7]*A + sptr[-3]*B + sptr[1]*C + sptr[5]*B + sptr[9]*A)>>shift); //G
outptr[2] = ((sptr[-6]*A + sptr[-2]*B + sptr[2]*C + sptr[6]*B + sptr[10]*A)>>shift); //B
outptr[3] = sptr[3];
sptr += 4;
outptr += 4;
}
for(i=2;i<width-4;i++)
{
outptr -= 4;
outptr[0] = outptr[-8];
outptr[1] = outptr[-7];
outptr[2] = outptr[-6];
outptr[3] = outptr[-5];
}
outptr -= 4;
outptr[0] = outptr[-4];
outptr[1] = outptr[-3];
outptr[2] = outptr[-2];
outptr[3] = outptr[-1];
break;
case -1: //small blur
sptr += 2*4;
shift = 4+8; //A = 0; B = 1; C = 14 0,2,12,2,0
A = 0 * adiff + 0 * diff;
B = 0 * adiff + 4 * diff;
C = 16 * adiff + 8 * diff;
for(i=2;i<width-2;i++)
{
outptr[0] = ((sptr[-8]*A + sptr[-4]*B + sptr[0]*C + sptr[4]*B + sptr[8]*A)>>shift); //R
outptr[1] = ((sptr[-7]*A + sptr[-3]*B + sptr[1]*C + sptr[5]*B + sptr[9]*A)>>shift); //G
outptr[2] = ((sptr[-6]*A + sptr[-2]*B + sptr[2]*C + sptr[6]*B + sptr[10]*A)>>shift); //B
outptr[3] = sptr[3];
sptr += 4;
outptr += 4;
}
for(i=2;i<width-4;i++)
{
outptr -= 4;
outptr[0] = outptr[-8];
outptr[1] = outptr[-7];
outptr[2] = outptr[-6];
outptr[3] = outptr[-5];
}
outptr -= 4;
outptr[0] = outptr[-4];
outptr[1] = outptr[-3];
outptr[2] = outptr[-2];
outptr[3] = outptr[-1];
break;
}
}
else if(taps == 3)
{
diff = (int)(256.0f * (-sharpness - (float)((int)(-sharpness*0.999f))));
adiff = 256 - diff;
{
sptr += 2*4;
shift = 4+8; //A = 0; B = 1; C = 14 0,2,12,2,0
A = 0 * adiff + 2 * diff;
B = 0 * adiff + 4 * diff;
C = 16 * adiff + 4 * diff;
for(i=2;i<width-2;i++)
{
outptr[0] = ((sptr[-8]*A + sptr[-4]*B + sptr[0]*C + sptr[4]*B + sptr[8]*A)>>shift); //R
outptr[1] = ((sptr[-7]*A + sptr[-3]*B + sptr[1]*C + sptr[5]*B + sptr[9]*A)>>shift); //G
outptr[2] = ((sptr[-6]*A + sptr[-2]*B + sptr[2]*C + sptr[6]*B + sptr[10]*A)>>shift); //B
outptr[3] = sptr[3];
sptr += 4;
outptr += 4;
}
for(i=2;i<width-4;i++)
{
outptr -= 4;
outptr[0] = outptr[-8];
outptr[1] = outptr[-7];
outptr[2] = outptr[-6];
outptr[3] = outptr[-5];
}
outptr -= 4;
outptr[0] = outptr[-4];
outptr[1] = outptr[-3];
outptr[2] = outptr[-2];
outptr[3] = outptr[-1];
}
}
}
}
else
{
diff = (int)(256.0f * (sharpness * 5.0f - (float)((int)(sharpness * 5.0f))));
adiff = 256 - diff;
if(pixelsize == 6)
{
if(taps == 5)
{
rneg2 = *sptr++; //R
gneg2 = *sptr++; //G
bneg2 = *sptr++; //B
// blur 1,2,1
rneg1 = ((sptr[-3] + sptr[0]*2 + sptr[3])>>2); sptr++; //R
gneg1 = ((sptr[-3] + sptr[0]*2 + sptr[3])>>2); sptr++; //G
bneg1 = ((sptr[-3] + sptr[0]*2 + sptr[3])>>2); sptr++; //B
switch((int)(sharpness * 5.0))
{
case -5://highest blur
shift = 4+8; //A = 2; B = 4; C = 4 2,3,2,3,2