libmpcodecs/vf_tfields.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "config.h"
   6 #include "options.h"
   7 #include "mp_msg.h"
   8 #include "cpudetect.h"
   9
  10 #include "img_format.h"
  11 #include "mp_image.h"
  12 #include "vf.h"
  13
  14 #include "libvo/fastmemcpy.h"
  15
  16 struct vf_priv_s {
  17         int mode;
  18         int parity;
  19         int buffered_i;
  20         mp_image_t *buffered_mpi;
  21         double buffered_pts;
  22 };
  23
  24 static void deint(unsigned char *dest, int ds, unsigned char *src, int ss, int w, int h, int field)
  25 {
  26         int x, y;
  27         src += ss;
  28         dest += ds;
  29         if (field) {
  30                 src += ss;
  31                 dest += ds;
  32                 h -= 2;
  33         }
  34         for (y=h/2; y; y--) {
  35                 for (x=0; x<w; x++) {
  36                         if (((src[x-ss] < src[x]) && (src[x+ss] < src[x])) ||
  37                                 ((src[x-ss] > src[x]) && (src[x+ss] > src[x]))) {
  38                                 //dest[x] = (src[x+ss] + src[x-ss])>>1;
  39                                 dest[x] = ((src[x+ss]<<1) + (src[x-ss]<<1)
  40                                         + src[x+ss+1] + src[x-ss+1]
  41                                         + src[x+ss-1] + src[x-ss-1])>>3;
  42                         }
  43                         else dest[x] = src[x];
  44                 }
  45                 dest += ds<<1;
  46                 src += ss<<1;
  47         }
  48 }
  49
  50 #if HAVE_AMD3DNOW
  51 static void qpel_li_3DNOW(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
  52 {
  53         int i, j, ssd=ss;
  54         long crap1, crap2;
  55         if (up) {
  56                 ssd = -ss;
  57                 fast_memcpy(d, s, w);
  58                 d += ds;
  59                 s += ss;
  60         }
  61         for (i=h-1; i; i--) {
  62                 __asm__ volatile(
  63                         "1: \n\t"
  64                         "movq (%%"REG_S"), %%mm0 \n\t"
  65                         "movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t"
  66                         "pavgusb %%mm0, %%mm1 \n\t"
  67                         "add $8, %%"REG_S" \n\t"
  68                         "pavgusb %%mm0, %%mm1 \n\t"
  69                         "movq %%mm1, (%%"REG_D") \n\t"
  70                         "add $8, %%"REG_D" \n\t"
  71                         "decl %%ecx \n\t"
  72                         "jnz 1b \n\t"
  73                         : "=S"(crap1), "=D"(crap2)
  74                         : "c"(w>>3), "S"(s), "D"(d), "a"((long)ssd)
  75                 );
  76                 for (j=w-(w&7); j<w; j++)
  77                         d[j] = (s[j+ssd] + 3*s[j])>>2;
  78                 d += ds;
  79                 s += ss;
  80         }
  81         if (!up) fast_memcpy(d, s, w);
  82         __asm__ volatile("emms \n\t" : : : "memory");
  83 }
  84 #endif
  85
  86 #if HAVE_MMX2
  87 static void qpel_li_MMX2(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
  88 {
  89         int i, j, ssd=ss;
  90         long crap1, crap2;
  91         if (up) {
  92                 ssd = -ss;
  93                 fast_memcpy(d, s, w);
  94                 d += ds;
  95                 s += ss;
  96         }
  97         for (i=h-1; i; i--) {
  98                 __asm__ volatile(
  99                         "pxor %%mm7, %%mm7 \n\t"
 100                         "2: \n\t"
 101                         "movq (%%"REG_S"), %%mm0 \n\t"
 102                         "movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t"
 103                         "pavgb %%mm0, %%mm1 \n\t"
 104                         "add $8, %%"REG_S" \n\t"
 105                         "pavgb %%mm0, %%mm1 \n\t"
 106                         "movq %%mm1, (%%"REG_D") \n\t"
 107                         "add $8, %%"REG_D" \n\t"
 108                         "decl %%ecx \n\t"
 109                         "jnz 2b \n\t"
 110                         : "=S"(crap1), "=D"(crap2)
 111                         : "c"(w>>3), "S"(s), "D"(d), "a"((long)ssd)
 112                 );
 113                 for (j=w-(w&7); j<w; j++)
 114                         d[j] = (s[j+ssd] + 3*s[j])>>2;
 115                 d += ds;
 116                 s += ss;
 117         }
 118         if (!up) fast_memcpy(d, s, w);
 119         __asm__ volatile("emms \n\t" : : : "memory");
 120 }
 121 #endif
 122
 123 #if HAVE_MMX
 124 static void qpel_li_MMX(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
 125 {
 126         int i, j, ssd=ss;
 127         int crap1, crap2;
 128         if (up) {
 129                 ssd = -ss;
 130                 fast_memcpy(d, s, w);
 131                 d += ds;
 132                 s += ss;
 133         }
 134         for (i=h-1; i; i--) {
 135                 __asm__ volatile(
 136                         "pxor %%mm7, %%mm7 \n\t"
 137                         "3: \n\t"
 138                         "movq (%%"REG_S"), %%mm0 \n\t"
 139                         "movq (%%"REG_S"), %%mm1 \n\t"
 140                         "movq (%%"REG_S",%%"REG_a"), %%mm2 \n\t"
 141                         "movq (%%"REG_S",%%"REG_a"), %%mm3 \n\t"
 142                         "add $8, %%"REG_S" \n\t"
 143                         "punpcklbw %%mm7, %%mm0 \n\t"
 144                         "punpckhbw %%mm7, %%mm1 \n\t"
 145                         "punpcklbw %%mm7, %%mm2 \n\t"
 146                         "punpckhbw %%mm7, %%mm3 \n\t"
 147                         "paddw %%mm0, %%mm2 \n\t"
 148                         "paddw %%mm1, %%mm3 \n\t"
 149                         "paddw %%mm0, %%mm2 \n\t"
 150                         "paddw %%mm1, %%mm3 \n\t"
 151                         "paddw %%mm0, %%mm2 \n\t"
 152                         "paddw %%mm1, %%mm3 \n\t"
 153                         "psrlw $2, %%mm2 \n\t"
 154                         "psrlw $2, %%mm3 \n\t"
 155                         "packsswb %%mm3, %%mm2 \n\t"
 156                         "movq %%mm2, (%%"REG_D") \n\t"
 157                         "add $8, %%"REG_D" \n\t"
 158                         "decl %%ecx \n\t"
 159                         "jnz 3b \n\t"
 160                         : "=S"(crap1), "=D"(crap2)
 161                         : "c"(w>>3), "S"(s), "D"(d), "a"((long)ssd)
 162                 );
 163                 for (j=w-(w&7); j<w; j++)
 164                         d[j] = (s[j+ssd] + 3*s[j])>>2;
 165                 d += ds;
 166                 s += ss;
 167         }
 168         if (!up) fast_memcpy(d, s, w);
 169         __asm__ volatile("emms \n\t" : : : "memory");
 170 }
 171
 172 static void qpel_4tap_MMX(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
 173 {
 174         int i, j, ssd=ss;
 175         static const short filter[] = {
 176                 29, 29, 29, 29, 110, 110, 110, 110,
 177                 9, 9, 9, 9, 3, 3, 3, 3,
 178                 64, 64, 64, 64 };
 179         int crap1, crap2;
 180         if (up) {
 181                 ssd = -ss;
 182                 fast_memcpy(d, s, w);
 183                 d += ds; s += ss;
 184         }
 185         for (j=0; j<w; j++)
 186                 d[j] = (s[j+ssd] + 3*s[j])>>2;
 187         d += ds; s += ss;
 188         for (i=h-3; i; i--) {
 189                 __asm__ volatile(
 190                         "pxor %%mm0, %%mm0 \n\t"
 191                         "movq (%%"REG_d"), %%mm4 \n\t"
 192                         "movq 8(%%"REG_d"), %%mm5 \n\t"
 193                         "movq 16(%%"REG_d"), %%mm6 \n\t"
 194                         "movq 24(%%"REG_d"), %%mm7 \n\t"
 195                         "4: \n\t"
 196
 197                         "movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t"
 198                         "movq (%%"REG_S"), %%mm2 \n\t"
 199                         "movq (%%"REG_S",%%"REG_b"), %%mm3 \n\t"
 200                         "punpcklbw %%mm0, %%mm1 \n\t"
 201                         "punpcklbw %%mm0, %%mm2 \n\t"
 202                         "pmullw %%mm4, %%mm1 \n\t"
 203                         "punpcklbw %%mm0, %%mm3 \n\t"
 204                         "pmullw %%mm5, %%mm2 \n\t"
 205                         "paddusw %%mm2, %%mm1 \n\t"
 206                         "pmullw %%mm6, %%mm3 \n\t"
 207                         "movq (%%"REG_S",%%"REG_a",2), %%mm2 \n\t"
 208                         "psubusw %%mm3, %%mm1 \n\t"
 209                         "punpcklbw %%mm0, %%mm2 \n\t"
 210                         "pmullw %%mm7, %%mm2 \n\t"
 211                         "psubusw %%mm2, %%mm1 \n\t"
 212                         "psrlw $7, %%mm1 \n\t"
 213
 214                         "movq (%%"REG_S",%%"REG_a"), %%mm2 \n\t"
 215                         "movq (%%"REG_S"), %%mm3 \n\t"
 216                         "punpckhbw %%mm0, %%mm2 \n\t"
 217                         "punpckhbw %%mm0, %%mm3 \n\t"
 218                         "pmullw %%mm4, %%mm2 \n\t"
 219                         "pmullw %%mm5, %%mm3 \n\t"
 220                         "paddusw %%mm3, %%mm2 \n\t"
 221                         "movq (%%"REG_S",%%"REG_b"), %%mm3 \n\t"
 222                         "punpckhbw %%mm0, %%mm3 \n\t"
 223                         "pmullw %%mm6, %%mm3 \n\t"
 224                         "psubusw %%mm3, %%mm2 \n\t"
 225                         "movq (%%"REG_S",%%"REG_a",2), %%mm3 \n\t"
 226                         "punpckhbw %%mm0, %%mm3 \n\t"
 227                         "add $8, %%"REG_S" \n\t"
 228                         "pmullw %%mm7, %%mm3 \n\t"
 229                         "psubusw %%mm3, %%mm2 \n\t"
 230                         "psrlw $7, %%mm2 \n\t"
 231
 232                         "packuswb %%mm2, %%mm1 \n\t"
 233                         "movq %%mm1, (%%"REG_D") \n\t"
 234                         "add $8, %%"REG_D" \n\t"
 235                         "decl %%ecx \n\t"
 236                         "jnz 4b \n\t"
 237                         : "=S"(crap1), "=D"(crap2)
 238                         : "c"(w>>3), "S"(s), "D"(d), "a"((long)ssd), "b"((long)-ssd), "d"(filter)
 239                 );
 240                 for (j=w-(w&7); j<w; j++)
 241                         d[j] = (-9*s[j-ssd] + 111*s[j] + 29*s[j+ssd] - 3*s[j+ssd+ssd])>>7;
 242                 d += ds;
 243                 s += ss;
 244         }
 245         for (j=0; j<w; j++)
 246                 d[j] = (s[j+ssd] + 3*s[j])>>2;
 247         d += ds; s += ss;
 248         if (!up) fast_memcpy(d, s, w);
 249         __asm__ volatile("emms \n\t" : : : "memory");
 250 }
 251 #endif
 252
 253 static inline int clamp(int a)
 254 {
 255         // If a<512, this is equivalent to:
 256         // return (a<0) ? 0 : ( (a>255) ? 255 : a);
 257         return (~(a>>31)) & (a | ((a<<23)>>31));
 258 }
 259
 260 static void qpel_li_C(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
 261 {
 262         int i, j, ssd=ss;
 263         if (up) {
 264                 ssd = -ss;
 265                 fast_memcpy(d, s, w);
 266                 d += ds;
 267                 s += ss;
 268         }
 269         for (i=h-1; i; i--) {
 270                 for (j=0; j<w; j++)
 271                         d[j] = (s[j+ssd] + 3*s[j])>>2;
 272                 d += ds;
 273                 s += ss;
 274         }
 275         if (!up) fast_memcpy(d, s, w);
 276 }
 277
 278 static void qpel_4tap_C(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
 279 {
 280         int i, j, ssd=ss;
 281         if (up) {
 282                 ssd = -ss;
 283                 fast_memcpy(d, s, w);
 284                 d += ds; s += ss;
 285         }
 286         for (j=0; j<w; j++)
 287                 d[j] = (s[j+ssd] + 3*s[j] + 2)>>2;
 288         d += ds; s += ss;
 289         for (i=h-3; i; i--) {
 290                 for (j=0; j<w; j++)
 291                         d[j] = clamp((-9*s[j-ssd] + 111*s[j] + 29*s[j+ssd] - 3*s[j+ssd+ssd] + 64)>>7);
 292                 d += ds; s += ss;
 293         }
 294         for (j=0; j<w; j++)
 295                 d[j] = (s[j+ssd] + 3*s[j] + 2)>>2;
 296         d += ds; s += ss;
 297         if (!up) fast_memcpy(d, s, w);
 298 }
 299
 300 static void (*qpel_li)(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up);
 301 static void (*qpel_4tap)(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up);
 302
 303 static int continue_buffered_image(struct vf_instance *);
 304
 305 static int put_image(struct vf_instance* vf, mp_image_t *mpi, double pts)
 306 {
 307         vf->priv->buffered_mpi = mpi;
 308         vf->priv->buffered_pts = pts;
 309         vf->priv->buffered_i = 0;
 310         return continue_buffered_image(vf);
 311 }
 312
 313 extern const int under_mencoder;
 314
 315 static int continue_buffered_image(struct vf_instance *vf)
 316 {
 317         int i=vf->priv->buffered_i;
 318         double pts = vf->priv->buffered_pts;
 319         mp_image_t *mpi = vf->priv->buffered_mpi;
 320         int ret=0;
 321         mp_image_t *dmpi;
 322         void (*qpel)(unsigned char *, unsigned char *, int, int, int, int, int);
 323         int bpp=1;
 324         int tff;
 325
 326         if (i == 0)
 327                 vf_queue_frame(vf, continue_buffered_image);
 328         pts += i * .02;  // XXX not right
 329
 330         if (!(mpi->flags & MP_IMGFLAG_PLANAR)) bpp = mpi->bpp/8;
 331         if (vf->priv->parity < 0) {
 332                 if (mpi->fields & MP_IMGFIELD_ORDERED)
 333                         tff = mpi->fields & MP_IMGFIELD_TOP_FIRST;
 334                 else
 335                         tff = 1;
 336         }
 337         else tff = (vf->priv->parity&1)^1;
 338
 339         switch (vf->priv->mode) {
 340         case 2:
 341                 qpel = qpel_li;
 342                 break;
 343         case 3:
 344                 // TODO: add 3tap filter
 345                 qpel = qpel_4tap;
 346                 break;
 347         case 4:
 348                 qpel = qpel_4tap;
 349                 break;
 350         }
 351
 352         switch (vf->priv->mode) {
 353         case 0:
 354                 for (; i<2; i++) {
 355                         dmpi = vf_get_image(vf->next, mpi->imgfmt,
 356                                 MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
 357                                 mpi->width, mpi->height/2);
 358                         dmpi->planes[0] = mpi->planes[0] + (i^!tff)*mpi->stride[0];
 359                         dmpi->stride[0] = 2*mpi->stride[0];
 360                         if (mpi->flags & MP_IMGFLAG_PLANAR) {
 361                                 dmpi->planes[1] = mpi->planes[1] + (i^!tff)*mpi->stride[1];
 362                                 dmpi->planes[2] = mpi->planes[2] + (i^!tff)*mpi->stride[2];
 363                                 dmpi->stride[1] = 2*mpi->stride[1];
 364                                 dmpi->stride[2] = 2*mpi->stride[2];
 365                         }
 366                         ret |= vf_next_put_image(vf, dmpi, pts);
 367                         if (!under_mencoder)
 368                                 break;
 369                         else
 370                                 if (!i) vf_next_control(vf, VFCTRL_FLIP_PAGE, NULL);
 371                 }
 372                 break;
 373         case 1:
 374                 for (; i<2; i++) {
 375                         dmpi = vf_get_image(vf->next, mpi->imgfmt,
 376                                 MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 377                                 mpi->width, mpi->height);
 378                         my_memcpy_pic(dmpi->planes[0] + (i^!tff)*dmpi->stride[0],
 379                                 mpi->planes[0] + (i^!tff)*mpi->stride[0],
 380                                 mpi->w*bpp, mpi->h/2, dmpi->stride[0]*2, mpi->stride[0]*2);
 381                         deint(dmpi->planes[0], dmpi->stride[0], mpi->planes[0], mpi->stride[0], mpi->w, mpi->h, (i^!tff));
 382                         if (mpi->flags & MP_IMGFLAG_PLANAR) {
 383                                 my_memcpy_pic(dmpi->planes[1] + (i^!tff)*dmpi->stride[1],
 384                                         mpi->planes[1] + (i^!tff)*mpi->stride[1],
 385                                         mpi->chroma_width, mpi->chroma_height/2,
 386                                         dmpi->stride[1]*2, mpi->stride[1]*2);
 387                                 my_memcpy_pic(dmpi->planes[2] + (i^!tff)*dmpi->stride[2],
 388                                         mpi->planes[2] + (i^!tff)*mpi->stride[2],
 389                                         mpi->chroma_width, mpi->chroma_height/2,
 390                                         dmpi->stride[2]*2, mpi->stride[2]*2);
 391                                 deint(dmpi->planes[1], dmpi->stride[1], mpi->planes[1], mpi->stride[1],
 392                                         mpi->chroma_width, mpi->chroma_height, (i^!tff));
 393                                 deint(dmpi->planes[2], dmpi->stride[2], mpi->planes[2], mpi->stride[2],
 394                                         mpi->chroma_width, mpi->chroma_height, (i^!tff));
 395                         }
 396                         ret |= vf_next_put_image(vf, dmpi, pts);
 397                         if (!under_mencoder)
 398                                 break;
 399                         else
 400                                 if (!i) vf_next_control(vf, VFCTRL_FLIP_PAGE, NULL);
 401                 }
 402                 break;
 403         case 2:
 404         case 3:
 405         case 4:
 406                 for (; i<2; i++) {
 407                         dmpi = vf_get_image(vf->next, mpi->imgfmt,
 408                                 MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 409                                 mpi->width, mpi->height/2);
 410                         qpel(dmpi->planes[0], mpi->planes[0] + (i^!tff)*mpi->stride[0],
 411                                 mpi->w*bpp, mpi->h/2, dmpi->stride[0], mpi->stride[0]*2, (i^!tff));
 412                         if (mpi->flags & MP_IMGFLAG_PLANAR) {
 413                                 qpel(dmpi->planes[1],
 414                                         mpi->planes[1] + (i^!tff)*mpi->stride[1],
 415                                         mpi->chroma_width, mpi->chroma_height/2,
 416                                         dmpi->stride[1], mpi->stride[1]*2, (i^!tff));
 417                                 qpel(dmpi->planes[2],
 418                                         mpi->planes[2] + (i^!tff)*mpi->stride[2],
 419                                         mpi->chroma_width, mpi->chroma_height/2,
 420                                         dmpi->stride[2], mpi->stride[2]*2, (i^!tff));
 421                         }
 422                         ret |= vf_next_put_image(vf, dmpi, pts);
 423                         if (!under_mencoder)
 424                                 break;
 425                         else
 426                                 if (!i) vf_next_control(vf, VFCTRL_FLIP_PAGE, NULL);
 427                 }
 428                 break;
 429         }
 430         vf->priv->buffered_i = 1;
 431         return ret;
 432 }
 433
 434 #if 0
 435 static int query_format(struct vf_instance* vf, unsigned int fmt)
 436 {
 437         /* FIXME - figure out which other formats work */
 438         switch (fmt) {
 439         case IMGFMT_YV12:
 440         case IMGFMT_IYUV:
 441         case IMGFMT_I420:
 442                 return vf_next_query_format(vf, fmt);
 443         }
 444         return 0;
 445 }
 446 #endif
 447
 448 static int config(struct vf_instance* vf,
 449         int width, int height, int d_width, int d_height,
 450         unsigned int flags, unsigned int outfmt)
 451 {
 452         switch (vf->priv->mode) {
 453         case 0:
 454         case 2:
 455         case 3:
 456         case 4:
 457                 return vf_next_config(vf,width,height/2,d_width,d_height,flags,outfmt);
 458         case 1:
 459                 return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 460         }
 461         return 0;
 462 }
 463
 464 static void uninit(struct vf_instance* vf)
 465 {
 466         free(vf->priv);
 467 }
 468
 469 static int open(vf_instance_t *vf, char* args)
 470 {
 471         struct vf_priv_s *p;
 472         vf->config = config;
 473         vf->put_image = put_image;
 474         //vf->query_format = query_format;
 475         vf->uninit = uninit;
 476         vf->default_reqs = VFCAP_ACCEPT_STRIDE;
 477         vf->priv = p = calloc(1, sizeof(struct vf_priv_s));
 478         vf->priv->mode = 4;
 479         vf->priv->parity = -1;
 480         if (args) sscanf(args, "%d:%d", &vf->priv->mode, &vf->priv->parity);
 481         qpel_li = qpel_li_C;
 482         qpel_4tap = qpel_4tap_C;
 483 #if HAVE_MMX
 484         if(gCpuCaps.hasMMX) qpel_li = qpel_li_MMX;
 485         if(gCpuCaps.hasMMX) qpel_4tap = qpel_4tap_MMX;
 486 #endif
 487 #if HAVE_MMX2
 488         if(gCpuCaps.hasMMX2) qpel_li = qpel_li_MMX2;
 489 #endif
 490 #if HAVE_AMD3DNOW
 491         if(gCpuCaps.has3DNow) qpel_li = qpel_li_3DNOW;
 492 #endif
 493         return 1;
 494 }
 495
 496 const vf_info_t vf_info_tfields = {
 497     "temporal field separation",
 498     "tfields",
 499     "Rich Felker",
 500     "",
 501     open,
 502     NULL
 503 };