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