libmpcodecs/vf_hqdn3d.c

   1 /*
   2  * Copyright (C) 2003 Daniel Moreno <comac@comac.darktech.org>
   3  *
   4  * This file is part of MPlayer.
   5  *
   6  * MPlayer is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * MPlayer is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <inttypes.h>
  25 #include <math.h>
  26
  27 #include "mp_msg.h"
  28 #include "img_format.h"
  29 #include "mp_image.h"
  30 #include "vf.h"
  31
  32 #define PARAM1_DEFAULT 4.0
  33 #define PARAM2_DEFAULT 3.0
  34 #define PARAM3_DEFAULT 6.0
  35
  36 //===========================================================================//
  37
  38 struct vf_priv_s {
  39         int Coefs[4][512*16];
  40         unsigned int *Line;
  41         unsigned short *Frame[3];
  42 };
  43
  44
  45 /***************************************************************************/
  46
  47 static void uninit(struct vf_instance *vf)
  48 {
  49         free(vf->priv->Line);
  50         free(vf->priv->Frame[0]);
  51         free(vf->priv->Frame[1]);
  52         free(vf->priv->Frame[2]);
  53
  54         vf->priv->Line     = NULL;
  55         vf->priv->Frame[0] = NULL;
  56         vf->priv->Frame[1] = NULL;
  57         vf->priv->Frame[2] = NULL;
  58 }
  59
  60 static int config(struct vf_instance *vf,
  61         int width, int height, int d_width, int d_height,
  62         unsigned int flags, unsigned int outfmt){
  63
  64         uninit(vf);
  65         vf->priv->Line = malloc(width*sizeof(int));
  66
  67         return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
  68 }
  69
  70 static inline unsigned int LowPassMul(unsigned int PrevMul, unsigned int CurrMul, int* Coef){
  71 //    int dMul= (PrevMul&0xFFFFFF)-(CurrMul&0xFFFFFF);
  72     int dMul= PrevMul-CurrMul;
  73     unsigned int d=((dMul+0x10007FF)>>12);
  74     return CurrMul + Coef[d];
  75 }
  76
  77 static void deNoiseTemporal(
  78                     unsigned char *Frame,        // mpi->planes[x]
  79                     unsigned char *FrameDest,    // dmpi->planes[x]
  80                     unsigned short *FrameAnt,
  81                     int W, int H, int sStride, int dStride,
  82                     int *Temporal)
  83 {
  84     long X, Y;
  85     unsigned int PixelDst;
  86
  87     for (Y = 0; Y < H; Y++){
  88         for (X = 0; X < W; X++){
  89             PixelDst = LowPassMul(FrameAnt[X]<<8, Frame[X]<<16, Temporal);
  90             FrameAnt[X] = ((PixelDst+0x1000007F)>>8);
  91             FrameDest[X]= ((PixelDst+0x10007FFF)>>16);
  92         }
  93         Frame += sStride;
  94         FrameDest += dStride;
  95         FrameAnt += W;
  96     }
  97 }
  98
  99 static void deNoiseSpacial(
 100                     unsigned char *Frame,        // mpi->planes[x]
 101                     unsigned char *FrameDest,    // dmpi->planes[x]
 102                     unsigned int *LineAnt,       // vf->priv->Line (width bytes)
 103                     int W, int H, int sStride, int dStride,
 104                     int *Horizontal, int *Vertical)
 105 {
 106     long X, Y;
 107     long sLineOffs = 0, dLineOffs = 0;
 108     unsigned int PixelAnt;
 109     unsigned int PixelDst;
 110
 111     /* First pixel has no left nor top neighbor. */
 112     PixelDst = LineAnt[0] = PixelAnt = Frame[0]<<16;
 113     FrameDest[0]= ((PixelDst+0x10007FFF)>>16);
 114
 115     /* First line has no top neighbor, only left. */
 116     for (X = 1; X < W; X++){
 117         PixelDst = LineAnt[X] = LowPassMul(PixelAnt, Frame[X]<<16, Horizontal);
 118         FrameDest[X]= ((PixelDst+0x10007FFF)>>16);
 119     }
 120
 121     for (Y = 1; Y < H; Y++){
 122         unsigned int PixelAnt;
 123         sLineOffs += sStride, dLineOffs += dStride;
 124         /* First pixel on each line doesn't have previous pixel */
 125         PixelAnt = Frame[sLineOffs]<<16;
 126         PixelDst = LineAnt[0] = LowPassMul(LineAnt[0], PixelAnt, Vertical);
 127         FrameDest[dLineOffs]= ((PixelDst+0x10007FFF)>>16);
 128
 129         for (X = 1; X < W; X++){
 130             unsigned int PixelDst;
 131             /* The rest are normal */
 132             PixelAnt = LowPassMul(PixelAnt, Frame[sLineOffs+X]<<16, Horizontal);
 133             PixelDst = LineAnt[X] = LowPassMul(LineAnt[X], PixelAnt, Vertical);
 134             FrameDest[dLineOffs+X]= ((PixelDst+0x10007FFF)>>16);
 135         }
 136     }
 137 }
 138
 139 static void deNoise(unsigned char *Frame,        // mpi->planes[x]
 140                     unsigned char *FrameDest,    // dmpi->planes[x]
 141                     unsigned int *LineAnt,      // vf->priv->Line (width bytes)
 142                     unsigned short **FrameAntPtr,
 143                     int W, int H, int sStride, int dStride,
 144                     int *Horizontal, int *Vertical, int *Temporal)
 145 {
 146     long X, Y;
 147     long sLineOffs = 0, dLineOffs = 0;
 148     unsigned int PixelAnt;
 149     unsigned int PixelDst;
 150     unsigned short* FrameAnt=(*FrameAntPtr);
 151
 152     if(!FrameAnt){
 153         (*FrameAntPtr)=FrameAnt=malloc(W*H*sizeof(unsigned short));
 154         for (Y = 0; Y < H; Y++){
 155             unsigned short* dst=&FrameAnt[Y*W];
 156             unsigned char* src=Frame+Y*sStride;
 157             for (X = 0; X < W; X++) dst[X]=src[X]<<8;
 158         }
 159     }
 160
 161     if(!Horizontal[0] && !Vertical[0]){
 162         deNoiseTemporal(Frame, FrameDest, FrameAnt,
 163                         W, H, sStride, dStride, Temporal);
 164         return;
 165     }
 166     if(!Temporal[0]){
 167         deNoiseSpacial(Frame, FrameDest, LineAnt,
 168                        W, H, sStride, dStride, Horizontal, Vertical);
 169         return;
 170     }
 171
 172     /* First pixel has no left nor top neighbor. Only previous frame */
 173     LineAnt[0] = PixelAnt = Frame[0]<<16;
 174     PixelDst = LowPassMul(FrameAnt[0]<<8, PixelAnt, Temporal);
 175     FrameAnt[0] = ((PixelDst+0x1000007F)>>8);
 176     FrameDest[0]= ((PixelDst+0x10007FFF)>>16);
 177
 178     /* First line has no top neighbor. Only left one for each pixel and
 179      * last frame */
 180     for (X = 1; X < W; X++){
 181         LineAnt[X] = PixelAnt = LowPassMul(PixelAnt, Frame[X]<<16, Horizontal);
 182         PixelDst = LowPassMul(FrameAnt[X]<<8, PixelAnt, Temporal);
 183         FrameAnt[X] = ((PixelDst+0x1000007F)>>8);
 184         FrameDest[X]= ((PixelDst+0x10007FFF)>>16);
 185     }
 186
 187     for (Y = 1; Y < H; Y++){
 188         unsigned int PixelAnt;
 189         unsigned short* LinePrev=&FrameAnt[Y*W];
 190         sLineOffs += sStride, dLineOffs += dStride;
 191         /* First pixel on each line doesn't have previous pixel */
 192         PixelAnt = Frame[sLineOffs]<<16;
 193         LineAnt[0] = LowPassMul(LineAnt[0], PixelAnt, Vertical);
 194         PixelDst = LowPassMul(LinePrev[0]<<8, LineAnt[0], Temporal);
 195         LinePrev[0] = ((PixelDst+0x1000007F)>>8);
 196         FrameDest[dLineOffs]= ((PixelDst+0x10007FFF)>>16);
 197
 198         for (X = 1; X < W; X++){
 199             unsigned int PixelDst;
 200             /* The rest are normal */
 201             PixelAnt = LowPassMul(PixelAnt, Frame[sLineOffs+X]<<16, Horizontal);
 202             LineAnt[X] = LowPassMul(LineAnt[X], PixelAnt, Vertical);
 203             PixelDst = LowPassMul(LinePrev[X]<<8, LineAnt[X], Temporal);
 204             LinePrev[X] = ((PixelDst+0x1000007F)>>8);
 205             FrameDest[dLineOffs+X]= ((PixelDst+0x10007FFF)>>16);
 206         }
 207     }
 208 }
 209
 210
 211 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
 212         int cw= mpi->w >> mpi->chroma_x_shift;
 213         int ch= mpi->h >> mpi->chroma_y_shift;
 214         int W = mpi->w, H = mpi->h;
 215
 216         mp_image_t *dmpi=vf_get_image(vf->next,mpi->imgfmt,
 217                 MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 218                 mpi->w,mpi->h);
 219
 220         if(!dmpi) return 0;
 221
 222         deNoise(mpi->planes[0], dmpi->planes[0],
 223                 vf->priv->Line, &vf->priv->Frame[0], W, H,
 224                 mpi->stride[0], dmpi->stride[0],
 225                 vf->priv->Coefs[0],
 226                 vf->priv->Coefs[0],
 227                 vf->priv->Coefs[1]);
 228         deNoise(mpi->planes[1], dmpi->planes[1],
 229                 vf->priv->Line, &vf->priv->Frame[1], cw, ch,
 230                 mpi->stride[1], dmpi->stride[1],
 231                 vf->priv->Coefs[2],
 232                 vf->priv->Coefs[2],
 233                 vf->priv->Coefs[3]);
 234         deNoise(mpi->planes[2], dmpi->planes[2],
 235                 vf->priv->Line, &vf->priv->Frame[2], cw, ch,
 236                 mpi->stride[2], dmpi->stride[2],
 237                 vf->priv->Coefs[2],
 238                 vf->priv->Coefs[2],
 239                 vf->priv->Coefs[3]);
 240
 241         return vf_next_put_image(vf,dmpi, pts);
 242 }
 243
 244 //===========================================================================//
 245
 246 static int query_format(struct vf_instance *vf, unsigned int fmt){
 247         switch(fmt)
 248         {
 249         case IMGFMT_YV12:
 250         case IMGFMT_I420:
 251         case IMGFMT_IYUV:
 252         case IMGFMT_YVU9:
 253         case IMGFMT_444P:
 254         case IMGFMT_422P:
 255         case IMGFMT_411P:
 256                 return vf_next_query_format(vf, fmt);
 257         }
 258         return 0;
 259 }
 260
 261
 262 #define ABS(A) ( (A) > 0 ? (A) : -(A) )
 263
 264 static void PrecalcCoefs(int *Ct, double Dist25)
 265 {
 266     int i;
 267     double Gamma, Simil, C;
 268
 269     Gamma = log(0.25) / log(1.0 - Dist25/255.0 - 0.00001);
 270
 271     for (i = -255*16; i <= 255*16; i++)
 272     {
 273         Simil = 1.0 - ABS(i) / (16*255.0);
 274         C = pow(Simil, Gamma) * 65536.0 * (double)i / 16.0;
 275         Ct[16*256+i] = (C<0) ? (C-0.5) : (C+0.5);
 276     }
 277
 278     Ct[0] = (Dist25 != 0);
 279 }
 280
 281
 282 static int vf_open(vf_instance_t *vf, char *args){
 283         double LumSpac, LumTmp, ChromSpac, ChromTmp;
 284         double Param1, Param2, Param3, Param4;
 285
 286         vf->config=config;
 287         vf->put_image=put_image;
 288         vf->query_format=query_format;
 289         vf->uninit=uninit;
 290         vf->priv=malloc(sizeof(struct vf_priv_s));
 291         memset(vf->priv, 0, sizeof(struct vf_priv_s));
 292
 293         if (args)
 294         {
 295             switch(sscanf(args, "%lf:%lf:%lf:%lf",
 296                           &Param1, &Param2, &Param3, &Param4
 297                          ))
 298             {
 299             case 0:
 300                 LumSpac = PARAM1_DEFAULT;
 301                 LumTmp = PARAM3_DEFAULT;
 302
 303                 ChromSpac = PARAM2_DEFAULT;
 304                 ChromTmp = LumTmp * ChromSpac / LumSpac;
 305                 break;
 306
 307             case 1:
 308                 LumSpac = Param1;
 309                 LumTmp = PARAM3_DEFAULT * Param1 / PARAM1_DEFAULT;
 310
 311                 ChromSpac = PARAM2_DEFAULT * Param1 / PARAM1_DEFAULT;
 312                 ChromTmp = LumTmp * ChromSpac / LumSpac;
 313                 break;
 314
 315             case 2:
 316                 LumSpac = Param1;
 317                 LumTmp = PARAM3_DEFAULT * Param1 / PARAM1_DEFAULT;
 318
 319                 ChromSpac = Param2;
 320                 ChromTmp = LumTmp * ChromSpac / LumSpac;
 321                 break;
 322
 323             case 3:
 324                 LumSpac = Param1;
 325                 LumTmp = Param3;
 326
 327                 ChromSpac = Param2;
 328                 ChromTmp = LumTmp * ChromSpac / LumSpac;
 329                 break;
 330
 331             case 4:
 332                 LumSpac = Param1;
 333                 LumTmp = Param3;
 334
 335                 ChromSpac = Param2;
 336                 ChromTmp = Param4;
 337                 break;
 338
 339             default:
 340                 LumSpac = PARAM1_DEFAULT;
 341                 LumTmp = PARAM3_DEFAULT;
 342
 343                 ChromSpac = PARAM2_DEFAULT;
 344                 ChromTmp = LumTmp * ChromSpac / LumSpac;
 345             }
 346         }
 347         else
 348         {
 349             LumSpac = PARAM1_DEFAULT;
 350             LumTmp = PARAM3_DEFAULT;
 351
 352             ChromSpac = PARAM2_DEFAULT;
 353             ChromTmp = LumTmp * ChromSpac / LumSpac;
 354         }
 355
 356         PrecalcCoefs(vf->priv->Coefs[0], LumSpac);
 357         PrecalcCoefs(vf->priv->Coefs[1], LumTmp);
 358         PrecalcCoefs(vf->priv->Coefs[2], ChromSpac);
 359         PrecalcCoefs(vf->priv->Coefs[3], ChromTmp);
 360
 361         return 1;
 362 }
 363
 364 const vf_info_t vf_info_hqdn3d = {
 365     "High Quality 3D Denoiser",
 366     "hqdn3d",
 367     "Daniel Moreno & A'rpi",
 368     "",
 369     vf_open,
 370     NULL
 371 };
 372
 373 //===========================================================================//