git.sesse.net Git - ffmpeg/blob - libavfilter/libmpcodecs/vf_spp.c

   1 /*
   2  * Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at>
   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 /*
  22  * This implementation is based on an algorithm described in
  23  * "Aria Nosratinia Embedded Post-Processing for
  24  * Enhancement of Compressed Images (1999)"
  25  * (http://citeseer.nj.nec.com/nosratinia99embedded.html)
  26  */
  27
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <inttypes.h>
  33 #include <math.h>
  34
  35 #include "config.h"
  36
  37 #include "mp_msg.h"
  38 #include "cpudetect.h"
  39
  40 #include "libavutil/internal.h"
  41 #include "libavutil/intreadwrite.h"
  42 #include "libavcodec/avcodec.h"
  43 #include "libavcodec/dsputil.h"
  44
  45 #undef fprintf
  46 #undef free
  47 #undef malloc
  48
  49 #include "img_format.h"
  50 #include "mp_image.h"
  51 #include "vf.h"
  52 #include "vd_ffmpeg.h"
  53 #include "libvo/fastmemcpy.h"
  54
  55 #define XMIN(a,b) ((a) < (b) ? (a) : (b))
  56
  57 //===========================================================================//
  58 static const uint8_t  __attribute__((aligned(8))) dither[8][8]={
  59 {  0,  48,  12,  60,   3,  51,  15,  63, },
  60 { 32,  16,  44,  28,  35,  19,  47,  31, },
  61 {  8,  56,   4,  52,  11,  59,   7,  55, },
  62 { 40,  24,  36,  20,  43,  27,  39,  23, },
  63 {  2,  50,  14,  62,   1,  49,  13,  61, },
  64 { 34,  18,  46,  30,  33,  17,  45,  29, },
  65 { 10,  58,   6,  54,   9,  57,   5,  53, },
  66 { 42,  26,  38,  22,  41,  25,  37,  21, },
  67 };
  68
  69 static const uint8_t offset[127][2]= {
  70 {0,0},
  71 {0,0}, {4,4},
  72 {0,0}, {2,2}, {6,4}, {4,6},
  73 {0,0}, {5,1}, {2,2}, {7,3}, {4,4}, {1,5}, {6,6}, {3,7},
  74
  75 {0,0}, {4,0}, {1,1}, {5,1}, {3,2}, {7,2}, {2,3}, {6,3},
  76 {0,4}, {4,4}, {1,5}, {5,5}, {3,6}, {7,6}, {2,7}, {6,7},
  77
  78 {0,0}, {0,2}, {0,4}, {0,6}, {1,1}, {1,3}, {1,5}, {1,7},
  79 {2,0}, {2,2}, {2,4}, {2,6}, {3,1}, {3,3}, {3,5}, {3,7},
  80 {4,0}, {4,2}, {4,4}, {4,6}, {5,1}, {5,3}, {5,5}, {5,7},
  81 {6,0}, {6,2}, {6,4}, {6,6}, {7,1}, {7,3}, {7,5}, {7,7},
  82
  83 {0,0}, {4,4}, {0,4}, {4,0}, {2,2}, {6,6}, {2,6}, {6,2},
  84 {0,2}, {4,6}, {0,6}, {4,2}, {2,0}, {6,4}, {2,4}, {6,0},
  85 {1,1}, {5,5}, {1,5}, {5,1}, {3,3}, {7,7}, {3,7}, {7,3},
  86 {1,3}, {5,7}, {1,7}, {5,3}, {3,1}, {7,5}, {3,5}, {7,1},
  87 {0,1}, {4,5}, {0,5}, {4,1}, {2,3}, {6,7}, {2,7}, {6,3},
  88 {0,3}, {4,7}, {0,7}, {4,3}, {2,1}, {6,5}, {2,5}, {6,1},
  89 {1,0}, {5,4}, {1,4}, {5,0}, {3,2}, {7,6}, {3,6}, {7,2},
  90 {1,2}, {5,6}, {1,6}, {5,2}, {3,0}, {7,4}, {3,4}, {7,0},
  91 };
  92
  93 struct vf_priv_s {
  94         int log2_count;
  95         int qp;
  96         int mode;
  97         int mpeg2;
  98         int temp_stride;
  99         uint8_t *src;
 100         int16_t *temp;
 101         AVCodecContext *avctx;
 102         DSPContext dsp;
 103         char *non_b_qp;
 104 };
 105
 106 #define SHIFT 22
 107
 108 static void hardthresh_c(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *permutation){
 109         int i;
 110         int bias= 0; //FIXME
 111         unsigned int threshold1, threshold2;
 112
 113         threshold1= qp*((1<<4) - bias) - 1;
 114         threshold2= (threshold1<<1);
 115
 116         memset(dst, 0, 64*sizeof(DCTELEM));
 117         dst[0]= (src[0] + 4)>>3;
 118
 119         for(i=1; i<64; i++){
 120                 int level= src[i];
 121                 if(((unsigned)(level+threshold1))>threshold2){
 122                         const int j= permutation[i];
 123                         dst[j]= (level + 4)>>3;
 124                 }
 125         }
 126 }
 127
 128 static void softthresh_c(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *permutation){
 129         int i;
 130         int bias= 0; //FIXME
 131         unsigned int threshold1, threshold2;
 132
 133         threshold1= qp*((1<<4) - bias) - 1;
 134         threshold2= (threshold1<<1);
 135
 136         memset(dst, 0, 64*sizeof(DCTELEM));
 137         dst[0]= (src[0] + 4)>>3;
 138
 139         for(i=1; i<64; i++){
 140                 int level= src[i];
 141                 if(((unsigned)(level+threshold1))>threshold2){
 142                         const int j= permutation[i];
 143                         if(level>0)
 144                                 dst[j]= (level - threshold1 + 4)>>3;
 145                         else
 146                                 dst[j]= (level + threshold1 + 4)>>3;
 147                 }
 148         }
 149 }
 150
 151 #if HAVE_MMX
 152 static void hardthresh_mmx(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *permutation){
 153         int bias= 0; //FIXME
 154         unsigned int threshold1;
 155
 156         threshold1= qp*((1<<4) - bias) - 1;
 157
 158         __asm__ volatile(
 159 #define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \
 160                 "movq " #src0 ", %%mm0        \n\t"\
 161                 "movq " #src1 ", %%mm1        \n\t"\
 162                 "movq " #src2 ", %%mm2        \n\t"\
 163                 "movq " #src3 ", %%mm3        \n\t"\
 164                 "psubw %%mm4, %%mm0        \n\t"\
 165                 "psubw %%mm4, %%mm1        \n\t"\
 166                 "psubw %%mm4, %%mm2        \n\t"\
 167                 "psubw %%mm4, %%mm3        \n\t"\
 168                 "paddusw %%mm5, %%mm0        \n\t"\
 169                 "paddusw %%mm5, %%mm1        \n\t"\
 170                 "paddusw %%mm5, %%mm2        \n\t"\
 171                 "paddusw %%mm5, %%mm3        \n\t"\
 172                 "paddw %%mm6, %%mm0        \n\t"\
 173                 "paddw %%mm6, %%mm1        \n\t"\
 174                 "paddw %%mm6, %%mm2        \n\t"\
 175                 "paddw %%mm6, %%mm3        \n\t"\
 176                 "psubusw %%mm6, %%mm0        \n\t"\
 177                 "psubusw %%mm6, %%mm1        \n\t"\
 178                 "psubusw %%mm6, %%mm2        \n\t"\
 179                 "psubusw %%mm6, %%mm3        \n\t"\
 180                 "psraw $3, %%mm0        \n\t"\
 181                 "psraw $3, %%mm1        \n\t"\
 182                 "psraw $3, %%mm2        \n\t"\
 183                 "psraw $3, %%mm3        \n\t"\
 184 \
 185                 "movq %%mm0, %%mm7        \n\t"\
 186                 "punpcklwd %%mm2, %%mm0        \n\t" /*A*/\
 187                 "punpckhwd %%mm2, %%mm7        \n\t" /*C*/\
 188                 "movq %%mm1, %%mm2        \n\t"\
 189                 "punpcklwd %%mm3, %%mm1        \n\t" /*B*/\
 190                 "punpckhwd %%mm3, %%mm2        \n\t" /*D*/\
 191                 "movq %%mm0, %%mm3        \n\t"\
 192                 "punpcklwd %%mm1, %%mm0        \n\t" /*A*/\
 193                 "punpckhwd %%mm7, %%mm3        \n\t" /*C*/\
 194                 "punpcklwd %%mm2, %%mm7        \n\t" /*B*/\
 195                 "punpckhwd %%mm2, %%mm1        \n\t" /*D*/\
 196 \
 197                 "movq %%mm0, " #dst0 "        \n\t"\
 198                 "movq %%mm7, " #dst1 "        \n\t"\
 199                 "movq %%mm3, " #dst2 "        \n\t"\
 200                 "movq %%mm1, " #dst3 "        \n\t"
 201
 202                 "movd %2, %%mm4                \n\t"
 203                 "movd %3, %%mm5                \n\t"
 204                 "movd %4, %%mm6                \n\t"
 205                 "packssdw %%mm4, %%mm4        \n\t"
 206                 "packssdw %%mm5, %%mm5        \n\t"
 207                 "packssdw %%mm6, %%mm6        \n\t"
 208                 "packssdw %%mm4, %%mm4        \n\t"
 209                 "packssdw %%mm5, %%mm5        \n\t"
 210                 "packssdw %%mm6, %%mm6        \n\t"
 211                 REQUANT_CORE(  (%1),  8(%1), 16(%1), 24(%1),  (%0), 8(%0), 64(%0), 72(%0))
 212                 REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0))
 213                 REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0))
 214                 REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0))
 215                 : : "r" (src), "r" (dst), "g" (threshold1+1), "g" (threshold1+5), "g" (threshold1-4) //FIXME maybe more accurate then needed?
 216         );
 217         dst[0]= (src[0] + 4)>>3;
 218 }
 219
 220 static void softthresh_mmx(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *permutation){
 221         int bias= 0; //FIXME
 222         unsigned int threshold1;
 223
 224         threshold1= qp*((1<<4) - bias) - 1;
 225
 226         __asm__ volatile(
 227 #undef REQUANT_CORE
 228 #define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \
 229                 "movq " #src0 ", %%mm0        \n\t"\
 230                 "movq " #src1 ", %%mm1        \n\t"\
 231                 "pxor %%mm6, %%mm6        \n\t"\
 232                 "pxor %%mm7, %%mm7        \n\t"\
 233                 "pcmpgtw %%mm0, %%mm6        \n\t"\
 234                 "pcmpgtw %%mm1, %%mm7        \n\t"\
 235                 "pxor %%mm6, %%mm0        \n\t"\
 236                 "pxor %%mm7, %%mm1        \n\t"\
 237                 "psubusw %%mm4, %%mm0        \n\t"\
 238                 "psubusw %%mm4, %%mm1        \n\t"\
 239                 "pxor %%mm6, %%mm0        \n\t"\
 240                 "pxor %%mm7, %%mm1        \n\t"\
 241                 "movq " #src2 ", %%mm2        \n\t"\
 242                 "movq " #src3 ", %%mm3        \n\t"\
 243                 "pxor %%mm6, %%mm6        \n\t"\
 244                 "pxor %%mm7, %%mm7        \n\t"\
 245                 "pcmpgtw %%mm2, %%mm6        \n\t"\
 246                 "pcmpgtw %%mm3, %%mm7        \n\t"\
 247                 "pxor %%mm6, %%mm2        \n\t"\
 248                 "pxor %%mm7, %%mm3        \n\t"\
 249                 "psubusw %%mm4, %%mm2        \n\t"\
 250                 "psubusw %%mm4, %%mm3        \n\t"\
 251                 "pxor %%mm6, %%mm2        \n\t"\
 252                 "pxor %%mm7, %%mm3        \n\t"\
 253 \
 254                 "paddsw %%mm5, %%mm0        \n\t"\
 255                 "paddsw %%mm5, %%mm1        \n\t"\
 256                 "paddsw %%mm5, %%mm2        \n\t"\
 257                 "paddsw %%mm5, %%mm3        \n\t"\
 258                 "psraw $3, %%mm0        \n\t"\
 259                 "psraw $3, %%mm1        \n\t"\
 260                 "psraw $3, %%mm2        \n\t"\
 261                 "psraw $3, %%mm3        \n\t"\
 262 \
 263                 "movq %%mm0, %%mm7        \n\t"\
 264                 "punpcklwd %%mm2, %%mm0        \n\t" /*A*/\
 265                 "punpckhwd %%mm2, %%mm7        \n\t" /*C*/\
 266                 "movq %%mm1, %%mm2        \n\t"\
 267                 "punpcklwd %%mm3, %%mm1        \n\t" /*B*/\
 268                 "punpckhwd %%mm3, %%mm2        \n\t" /*D*/\
 269                 "movq %%mm0, %%mm3        \n\t"\
 270                 "punpcklwd %%mm1, %%mm0        \n\t" /*A*/\
 271                 "punpckhwd %%mm7, %%mm3        \n\t" /*C*/\
 272                 "punpcklwd %%mm2, %%mm7        \n\t" /*B*/\
 273                 "punpckhwd %%mm2, %%mm1        \n\t" /*D*/\
 274 \
 275                 "movq %%mm0, " #dst0 "        \n\t"\
 276                 "movq %%mm7, " #dst1 "        \n\t"\
 277                 "movq %%mm3, " #dst2 "        \n\t"\
 278                 "movq %%mm1, " #dst3 "        \n\t"
 279
 280                 "movd %2, %%mm4                \n\t"
 281                 "movd %3, %%mm5                \n\t"
 282                 "packssdw %%mm4, %%mm4        \n\t"
 283                 "packssdw %%mm5, %%mm5        \n\t"
 284                 "packssdw %%mm4, %%mm4        \n\t"
 285                 "packssdw %%mm5, %%mm5        \n\t"
 286                 REQUANT_CORE(  (%1),  8(%1), 16(%1), 24(%1),  (%0), 8(%0), 64(%0), 72(%0))
 287                 REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0))
 288                 REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0))
 289                 REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0))
 290                 : : "r" (src), "r" (dst), "g" (threshold1), "rm" (4) //FIXME maybe more accurate then needed?
 291         );
 292
 293         dst[0]= (src[0] + 4)>>3;
 294 }
 295 #endif
 296
 297 static inline void add_block(int16_t *dst, int stride, DCTELEM block[64]){
 298         int y;
 299
 300         for(y=0; y<8; y++){
 301                 *(uint32_t*)&dst[0 + y*stride]+= *(uint32_t*)&block[0 + y*8];
 302                 *(uint32_t*)&dst[2 + y*stride]+= *(uint32_t*)&block[2 + y*8];
 303                 *(uint32_t*)&dst[4 + y*stride]+= *(uint32_t*)&block[4 + y*8];
 304                 *(uint32_t*)&dst[6 + y*stride]+= *(uint32_t*)&block[6 + y*8];
 305         }
 306 }
 307
 308 static void store_slice_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale){
 309         int y, x;
 310
 311 #define STORE(pos) \
 312         temp= ((src[x + y*src_stride + pos]<<log2_scale) + d[pos])>>6;\
 313         if(temp & 0x100) temp= ~(temp>>31);\
 314         dst[x + y*dst_stride + pos]= temp;
 315
 316         for(y=0; y<height; y++){
 317                 const uint8_t *d= dither[y];
 318                 for(x=0; x<width; x+=8){
 319                         int temp;
 320                         STORE(0);
 321                         STORE(1);
 322                         STORE(2);
 323                         STORE(3);
 324                         STORE(4);
 325                         STORE(5);
 326                         STORE(6);
 327                         STORE(7);
 328                 }
 329         }
 330 }
 331
 332 #if HAVE_MMX
 333 static void store_slice_mmx(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale){
 334         int y;
 335
 336         for(y=0; y<height; y++){
 337                 uint8_t *dst1= dst;
 338                 int16_t *src1= src;
 339                 __asm__ volatile(
 340                         "movq (%3), %%mm3        \n\t"
 341                         "movq (%3), %%mm4        \n\t"
 342                         "movd %4, %%mm2                \n\t"
 343                         "pxor %%mm0, %%mm0        \n\t"
 344                         "punpcklbw %%mm0, %%mm3        \n\t"
 345                         "punpckhbw %%mm0, %%mm4        \n\t"
 346                         "psraw %%mm2, %%mm3        \n\t"
 347                         "psraw %%mm2, %%mm4        \n\t"
 348                         "movd %5, %%mm2                \n\t"
 349                         "1:                        \n\t"
 350                         "movq (%0), %%mm0        \n\t"
 351                         "movq 8(%0), %%mm1        \n\t"
 352                         "paddw %%mm3, %%mm0        \n\t"
 353                         "paddw %%mm4, %%mm1        \n\t"
 354                         "psraw %%mm2, %%mm0        \n\t"
 355                         "psraw %%mm2, %%mm1        \n\t"
 356                         "packuswb %%mm1, %%mm0        \n\t"
 357                         "movq %%mm0, (%1)         \n\t"
 358                         "add $16, %0                \n\t"
 359                         "add $8, %1                \n\t"
 360                         "cmp %2, %1                \n\t"
 361                         " jb 1b                        \n\t"
 362                         : "+r" (src1), "+r"(dst1)
 363                         : "r"(dst + width), "r"(dither[y]), "g"(log2_scale), "g"(6-log2_scale)
 364                 );
 365                 src += src_stride;
 366                 dst += dst_stride;
 367         }
 368 //        if(width != mmxw)
 369 //                store_slice_c(dst + mmxw, src + mmxw, dst_stride, src_stride, width - mmxw, log2_scale);
 370 }
 371 #endif
 372
 373 static void (*store_slice)(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale)= store_slice_c;
 374
 375 static void (*requantize)(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *permutation)= hardthresh_c;
 376
 377 static void filter(struct vf_priv_s *p, uint8_t *dst, uint8_t *src, int dst_stride, int src_stride, int width, int height, uint8_t *qp_store, int qp_stride, int is_luma){
 378         int x, y, i;
 379         const int count= 1<<p->log2_count;
 380         const int stride= is_luma ? p->temp_stride : ((width+16+15)&(~15));
 381         uint64_t __attribute__((aligned(16))) block_align[32];
 382         DCTELEM *block = (DCTELEM *)block_align;
 383         DCTELEM *block2= (DCTELEM *)(block_align+16);
 384
 385         if (!src || !dst) return; // HACK avoid crash for Y8 colourspace
 386         for(y=0; y<height; y++){
 387                 int index= 8 + 8*stride + y*stride;
 388                 fast_memcpy(p->src + index, src + y*src_stride, width);
 389                 for(x=0; x<8; x++){
 390                         p->src[index         - x - 1]= p->src[index +         x    ];
 391                         p->src[index + width + x    ]= p->src[index + width - x - 1];
 392                 }
 393         }
 394         for(y=0; y<8; y++){
 395                 fast_memcpy(p->src + (      7-y)*stride, p->src + (      y+8)*stride, stride);
 396                 fast_memcpy(p->src + (height+8+y)*stride, p->src + (height-y+7)*stride, stride);
 397         }
 398         //FIXME (try edge emu)
 399
 400         for(y=0; y<height+8; y+=8){
 401                 memset(p->temp + (8+y)*stride, 0, 8*stride*sizeof(int16_t));
 402                 for(x=0; x<width+8; x+=8){
 403                         const int qps= 3 + is_luma;
 404                         int qp;
 405
 406                         if(p->qp)
 407                                 qp= p->qp;
 408                         else{
 409                                 qp= qp_store[ (XMIN(x, width-1)>>qps) + (XMIN(y, height-1)>>qps) * qp_stride];
 410                                 qp = FFMAX(1, norm_qscale(qp, p->mpeg2));
 411                         }
 412                         for(i=0; i<count; i++){
 413                                 const int x1= x + offset[i+count-1][0];
 414                                 const int y1= y + offset[i+count-1][1];
 415                                 const int index= x1 + y1*stride;
 416                                 p->dsp.get_pixels(block, p->src + index, stride);
 417                                 p->dsp.fdct(block);
 418                                 requantize(block2, block, qp, p->dsp.idct_permutation);
 419                                 p->dsp.idct(block2);
 420                                 add_block(p->temp + index, stride, block2);
 421                         }
 422                 }
 423                 if(y)
 424                         store_slice(dst + (y-8)*dst_stride, p->temp + 8 + y*stride, dst_stride, stride, width, XMIN(8, height+8-y), 6-p->log2_count);
 425         }
 426 #if 0
 427         for(y=0; y<height; y++){
 428                 for(x=0; x<width; x++){
 429                         if((((x>>6) ^ (y>>6)) & 1) == 0)
 430                                 dst[x + y*dst_stride]= p->src[8 + 8*stride  + x + y*stride];
 431                         if((x&63) == 0 || (y&63)==0)
 432                                 dst[x + y*dst_stride] += 128;
 433                 }
 434         }
 435 #endif
 436         //FIXME reorder for better caching
 437 }
 438
 439 static int config(struct vf_instance *vf,
 440         int width, int height, int d_width, int d_height,
 441         unsigned int flags, unsigned int outfmt){
 442         int h= (height+16+15)&(~15);
 443
 444         vf->priv->temp_stride= (width+16+15)&(~15);
 445         vf->priv->temp= malloc(vf->priv->temp_stride*h*sizeof(int16_t));
 446         vf->priv->src = malloc(vf->priv->temp_stride*h*sizeof(uint8_t));
 447
 448         return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 449 }
 450
 451 static void get_image(struct vf_instance *vf, mp_image_t *mpi){
 452     if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
 453     // ok, we can do pp in-place (or pp disabled):
 454     vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 455         mpi->type, mpi->flags | MP_IMGFLAG_READABLE, mpi->width, mpi->height);
 456     mpi->planes[0]=vf->dmpi->planes[0];
 457     mpi->stride[0]=vf->dmpi->stride[0];
 458     mpi->width=vf->dmpi->width;
 459     if(mpi->flags&MP_IMGFLAG_PLANAR){
 460         mpi->planes[1]=vf->dmpi->planes[1];
 461         mpi->planes[2]=vf->dmpi->planes[2];
 462         mpi->stride[1]=vf->dmpi->stride[1];
 463         mpi->stride[2]=vf->dmpi->stride[2];
 464     }
 465     mpi->flags|=MP_IMGFLAG_DIRECT;
 466 }
 467
 468 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
 469         mp_image_t *dmpi;
 470
 471         if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
 472                 // no DR, so get a new image! hope we'll get DR buffer:
 473                 dmpi=vf_get_image(vf->next,mpi->imgfmt,
 474                     MP_IMGTYPE_TEMP,
 475                     MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
 476                     mpi->width,mpi->height);
 477                 vf_clone_mpi_attributes(dmpi, mpi);
 478         }else{
 479            dmpi=vf->dmpi;
 480         }
 481
 482         vf->priv->mpeg2= mpi->qscale_type;
 483         if(mpi->pict_type != 3 && mpi->qscale && !vf->priv->qp){
 484             int w = mpi->qstride;
 485             int h = (mpi->h + 15) >> 4;
 486             if (!w) {
 487                 w = (mpi->w + 15) >> 4;
 488                 h = 1;
 489             }
 490             if(!vf->priv->non_b_qp)
 491                 vf->priv->non_b_qp= malloc(w*h);
 492             fast_memcpy(vf->priv->non_b_qp, mpi->qscale, w*h);
 493         }
 494         if(vf->priv->log2_count || !(mpi->flags&MP_IMGFLAG_DIRECT)){
 495             char *qp_tab= vf->priv->non_b_qp;
 496             if((vf->priv->mode&4) || !qp_tab)
 497                 qp_tab= mpi->qscale;
 498
 499             if(qp_tab || vf->priv->qp){
 500                 filter(vf->priv, dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], mpi->w, mpi->h, qp_tab, mpi->qstride, 1);
 501                 filter(vf->priv, dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0);
 502                 filter(vf->priv, dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0);
 503             }else{
 504                 memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]);
 505                 memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[1], mpi->stride[1]);
 506                 memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[2], mpi->stride[2]);
 507             }
 508         }
 509
 510 #if HAVE_MMX
 511         if(gCpuCaps.hasMMX) __asm__ volatile ("emms\n\t");
 512 #endif
 513 #if HAVE_MMX2
 514         if(gCpuCaps.hasMMX2) __asm__ volatile ("sfence\n\t");
 515 #endif
 516
 517         return vf_next_put_image(vf,dmpi, pts);
 518 }
 519
 520 static void uninit(struct vf_instance *vf){
 521         if(!vf->priv) return;
 522
 523         free(vf->priv->temp);
 524         vf->priv->temp= NULL;
 525         free(vf->priv->src);
 526         vf->priv->src= NULL;
 527         free(vf->priv->avctx);
 528         vf->priv->avctx= NULL;
 529         free(vf->priv->non_b_qp);
 530         vf->priv->non_b_qp= NULL;
 531
 532         free(vf->priv);
 533         vf->priv=NULL;
 534 }
 535
 536 //===========================================================================//
 537 static int query_format(struct vf_instance *vf, unsigned int fmt){
 538     switch(fmt){
 539         case IMGFMT_YVU9:
 540         case IMGFMT_IF09:
 541         case IMGFMT_YV12:
 542         case IMGFMT_I420:
 543         case IMGFMT_IYUV:
 544         case IMGFMT_CLPL:
 545         case IMGFMT_Y800:
 546         case IMGFMT_Y8:
 547         case IMGFMT_444P:
 548         case IMGFMT_422P:
 549         case IMGFMT_411P:
 550             return vf_next_query_format(vf,fmt);
 551     }
 552     return 0;
 553 }
 554
 555 static int control(struct vf_instance *vf, int request, void* data){
 556     switch(request){
 557     case VFCTRL_QUERY_MAX_PP_LEVEL:
 558         return 6;
 559     case VFCTRL_SET_PP_LEVEL:
 560         vf->priv->log2_count= *((unsigned int*)data);
 561         return CONTROL_TRUE;
 562     }
 563     return vf_next_control(vf,request,data);
 564 }
 565
 566 static int vf_open(vf_instance_t *vf, char *args){
 567
 568     int log2c=-1;
 569
 570     vf->config=config;
 571     vf->put_image=put_image;
 572     vf->get_image=get_image;
 573     vf->query_format=query_format;
 574     vf->uninit=uninit;
 575     vf->control= control;
 576     vf->priv=malloc(sizeof(struct vf_priv_s));
 577     memset(vf->priv, 0, sizeof(struct vf_priv_s));
 578
 579     init_avcodec();
 580
 581     vf->priv->avctx= avcodec_alloc_context();
 582     dsputil_init(&vf->priv->dsp, vf->priv->avctx);
 583
 584     vf->priv->log2_count= 3;
 585
 586     if (args) sscanf(args, "%d:%d:%d", &log2c, &vf->priv->qp, &vf->priv->mode);
 587
 588     if( log2c >=0 && log2c <=6 )
 589         vf->priv->log2_count = log2c;
 590
 591     if(vf->priv->qp < 0)
 592         vf->priv->qp = 0;
 593
 594     switch(vf->priv->mode&3){
 595         default:
 596         case 0: requantize= hardthresh_c; break;
 597         case 1: requantize= softthresh_c; break;
 598     }
 599
 600 #if HAVE_MMX
 601     if(gCpuCaps.hasMMX){
 602         store_slice= store_slice_mmx;
 603         switch(vf->priv->mode&3){
 604             case 0: requantize= hardthresh_mmx; break;
 605             case 1: requantize= softthresh_mmx; break;
 606         }
 607     }
 608 #endif
 609
 610     return 1;
 611 }
 612
 613 const vf_info_t vf_info_spp = {
 614     "simple postprocess",
 615     "spp",
 616     "Michael Niedermayer",
 617     "",
 618     vf_open,
 619     NULL
 620 };