git.sesse.net Git - ffmpeg/blob - libavutil/pixdesc.c

   1 /*
   2  * pixel format descriptor
   3  * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * FFmpeg is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include "pixfmt.h"
  25 #include "pixdesc.h"
  26
  27 #include "intreadwrite.h"
  28
  29 void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
  30                         const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component)
  31 {
  32     AVComponentDescriptor comp= desc->comp[c];
  33     int plane= comp.plane;
  34     int depth= comp.depth_minus1+1;
  35     int mask = (1<<depth)-1;
  36     int shift= comp.shift;
  37     int step = comp.step_minus1+1;
  38     int flags= desc->flags;
  39
  40     if (flags & PIX_FMT_BITSTREAM){
  41         int skip = x*step + comp.offset_plus1-1;
  42         const uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
  43         int shift = 8 - depth - (skip&7);
  44
  45         while(w--){
  46             int val = (*p >> shift) & mask;
  47             if(read_pal_component)
  48                 val= data[1][4*val + c];
  49             shift -= step;
  50             p -= shift>>3;
  51             shift &= 7;
  52             *dst++= val;
  53         }
  54     } else {
  55         const uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
  56         int is_8bit = shift + depth <= 8;
  57
  58         if (is_8bit)
  59             p += !!(flags & PIX_FMT_BE);
  60
  61         while(w--){
  62             int val = is_8bit ? *p :
  63                 flags & PIX_FMT_BE ? AV_RB16(p) : AV_RL16(p);
  64             val = (val>>shift) & mask;
  65             if(read_pal_component)
  66                 val= data[1][4*val + c];
  67             p+= step;
  68             *dst++= val;
  69         }
  70     }
  71 }
  72
  73 void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],
  74                          const AVPixFmtDescriptor *desc, int x, int y, int c, int w)
  75 {
  76     AVComponentDescriptor comp = desc->comp[c];
  77     int plane = comp.plane;
  78     int depth = comp.depth_minus1+1;
  79     int step  = comp.step_minus1+1;
  80     int flags = desc->flags;
  81
  82     if (flags & PIX_FMT_BITSTREAM) {
  83         int skip = x*step + comp.offset_plus1-1;
  84         uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
  85         int shift = 8 - depth - (skip&7);
  86
  87         while (w--) {
  88             *p |= *src++ << shift;
  89             shift -= step;
  90             p -= shift>>3;
  91             shift &= 7;
  92         }
  93     } else {
  94         int shift = comp.shift;
  95         uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
  96
  97         if (shift + depth <= 8) {
  98             p += !!(flags & PIX_FMT_BE);
  99             while (w--) {
 100                 *p |= (*src++<<shift);
 101                 p += step;
 102             }
 103         } else {
 104             while (w--) {
 105                 if (flags & PIX_FMT_BE) {
 106                     uint16_t val = AV_RB16(p) | (*src++<<shift);
 107                     AV_WB16(p, val);
 108                 } else {
 109                     uint16_t val = AV_RL16(p) | (*src++<<shift);
 110                     AV_WL16(p, val);
 111                 }
 112                 p+= step;
 113             }
 114         }
 115     }
 116 }
 117
 118 const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
 119     [PIX_FMT_YUV420P] = {
 120         .name = "yuv420p",
 121         .nb_components= 3,
 122         .log2_chroma_w= 1,
 123         .log2_chroma_h= 1,
 124         .comp = {
 125             {0,0,1,0,7},        /* Y */
 126             {1,0,1,0,7},        /* U */
 127             {2,0,1,0,7},        /* V */
 128         },
 129         .flags = PIX_FMT_PLANAR,
 130     },
 131     [PIX_FMT_YUYV422] = {
 132         .name = "yuyv422",
 133         .nb_components= 3,
 134         .log2_chroma_w= 1,
 135         .log2_chroma_h= 0,
 136         .comp = {
 137             {0,1,1,0,7},        /* Y */
 138             {0,3,2,0,7},        /* U */
 139             {0,3,4,0,7},        /* V */
 140         },
 141     },
 142     [PIX_FMT_RGB24] = {
 143         .name = "rgb24",
 144         .nb_components= 3,
 145         .log2_chroma_w= 0,
 146         .log2_chroma_h= 0,
 147         .comp = {
 148             {0,2,1,0,7},        /* R */
 149             {0,2,2,0,7},        /* G */
 150             {0,2,3,0,7},        /* B */
 151         },
 152         .flags = PIX_FMT_RGB,
 153     },
 154     [PIX_FMT_BGR24] = {
 155         .name = "bgr24",
 156         .nb_components= 3,
 157         .log2_chroma_w= 0,
 158         .log2_chroma_h= 0,
 159         .comp = {
 160             {0,2,1,0,7},        /* B */
 161             {0,2,2,0,7},        /* G */
 162             {0,2,3,0,7},        /* R */
 163         },
 164         .flags = PIX_FMT_RGB,
 165     },
 166     [PIX_FMT_YUV422P] = {
 167         .name = "yuv422p",
 168         .nb_components= 3,
 169         .log2_chroma_w= 1,
 170         .log2_chroma_h= 0,
 171         .comp = {
 172             {0,0,1,0,7},        /* Y */
 173             {1,0,1,0,7},        /* U */
 174             {2,0,1,0,7},        /* V */
 175         },
 176         .flags = PIX_FMT_PLANAR,
 177     },
 178     [PIX_FMT_YUV444P] = {
 179         .name = "yuv444p",
 180         .nb_components= 3,
 181         .log2_chroma_w= 0,
 182         .log2_chroma_h= 0,
 183         .comp = {
 184             {0,0,1,0,7},        /* Y */
 185             {1,0,1,0,7},        /* U */
 186             {2,0,1,0,7},        /* V */
 187         },
 188         .flags = PIX_FMT_PLANAR,
 189     },
 190     [PIX_FMT_YUV410P] = {
 191         .name = "yuv410p",
 192         .nb_components= 3,
 193         .log2_chroma_w= 2,
 194         .log2_chroma_h= 2,
 195         .comp = {
 196             {0,0,1,0,7},        /* Y */
 197             {1,0,1,0,7},        /* U */
 198             {2,0,1,0,7},        /* V */
 199         },
 200         .flags = PIX_FMT_PLANAR,
 201     },
 202     [PIX_FMT_YUV411P] = {
 203         .name = "yuv411p",
 204         .nb_components= 3,
 205         .log2_chroma_w= 2,
 206         .log2_chroma_h= 0,
 207         .comp = {
 208             {0,0,1,0,7},        /* Y */
 209             {1,0,1,0,7},        /* U */
 210             {2,0,1,0,7},        /* V */
 211         },
 212         .flags = PIX_FMT_PLANAR,
 213     },
 214     [PIX_FMT_GRAY8] = {
 215         .name = "gray",
 216         .nb_components= 1,
 217         .log2_chroma_w= 0,
 218         .log2_chroma_h= 0,
 219         .comp = {
 220             {0,0,1,0,7},        /* Y */
 221         },
 222     },
 223     [PIX_FMT_MONOWHITE] = {
 224         .name = "monow",
 225         .nb_components= 1,
 226         .log2_chroma_w= 0,
 227         .log2_chroma_h= 0,
 228         .comp = {
 229             {0,0,1,0,0},        /* Y */
 230         },
 231         .flags = PIX_FMT_BITSTREAM,
 232     },
 233     [PIX_FMT_MONOBLACK] = {
 234         .name = "monob",
 235         .nb_components= 1,
 236         .log2_chroma_w= 0,
 237         .log2_chroma_h= 0,
 238         .comp = {
 239             {0,0,1,7,0},        /* Y */
 240         },
 241         .flags = PIX_FMT_BITSTREAM,
 242     },
 243     [PIX_FMT_PAL8] = {
 244         .name = "pal8",
 245         .nb_components= 1,
 246         .log2_chroma_w= 0,
 247         .log2_chroma_h= 0,
 248         .comp = {
 249             {0,0,1,0,7},
 250         },
 251         .flags = PIX_FMT_PAL,
 252     },
 253     [PIX_FMT_YUVJ420P] = {
 254         .name = "yuvj420p",
 255         .nb_components= 3,
 256         .log2_chroma_w= 1,
 257         .log2_chroma_h= 1,
 258         .comp = {
 259             {0,0,1,0,7},        /* Y */
 260             {1,0,1,0,7},        /* U */
 261             {2,0,1,0,7},        /* V */
 262         },
 263         .flags = PIX_FMT_PLANAR,
 264     },
 265     [PIX_FMT_YUVJ422P] = {
 266         .name = "yuvj422p",
 267         .nb_components= 3,
 268         .log2_chroma_w= 1,
 269         .log2_chroma_h= 0,
 270         .comp = {
 271             {0,0,1,0,7},        /* Y */
 272             {1,0,1,0,7},        /* U */
 273             {2,0,1,0,7},        /* V */
 274         },
 275         .flags = PIX_FMT_PLANAR,
 276     },
 277     [PIX_FMT_YUVJ444P] = {
 278         .name = "yuvj444p",
 279         .nb_components= 3,
 280         .log2_chroma_w= 0,
 281         .log2_chroma_h= 0,
 282         .comp = {
 283             {0,0,1,0,7},        /* Y */
 284             {1,0,1,0,7},        /* U */
 285             {2,0,1,0,7},        /* V */
 286         },
 287         .flags = PIX_FMT_PLANAR,
 288     },
 289     [PIX_FMT_XVMC_MPEG2_MC] = {
 290         .name = "xvmcmc",
 291         .flags = PIX_FMT_HWACCEL,
 292     },
 293     [PIX_FMT_XVMC_MPEG2_IDCT] = {
 294         .name = "xvmcidct",
 295         .flags = PIX_FMT_HWACCEL,
 296     },
 297     [PIX_FMT_UYVY422] = {
 298         .name = "uyvy422",
 299         .nb_components= 3,
 300         .log2_chroma_w= 1,
 301         .log2_chroma_h= 0,
 302         .comp = {
 303             {0,1,2,0,7},        /* Y */
 304             {0,3,1,0,7},        /* U */
 305             {0,3,3,0,7},        /* V */
 306         },
 307     },
 308     [PIX_FMT_UYYVYY411] = {
 309         .name = "uyyvyy411",
 310         .nb_components= 3,
 311         .log2_chroma_w= 2,
 312         .log2_chroma_h= 0,
 313         .comp = {
 314             {0,3,2,0,7},        /* Y */
 315             {0,5,1,0,7},        /* U */
 316             {0,5,4,0,7},        /* V */
 317         },
 318     },
 319     [PIX_FMT_BGR8] = {
 320         .name = "bgr8",
 321         .nb_components= 3,
 322         .log2_chroma_w= 0,
 323         .log2_chroma_h= 0,
 324         .comp = {
 325             {0,0,1,6,1},        /* B */
 326             {0,0,1,3,2},        /* G */
 327             {0,0,1,0,2},        /* R */
 328         },
 329         .flags = PIX_FMT_PAL | PIX_FMT_RGB,
 330     },
 331     [PIX_FMT_BGR4] = {
 332         .name = "bgr4",
 333         .nb_components= 3,
 334         .log2_chroma_w= 0,
 335         .log2_chroma_h= 0,
 336         .comp = {
 337             {0,3,1,0,0},        /* B */
 338             {0,3,2,0,1},        /* G */
 339             {0,3,4,0,0},        /* R */
 340         },
 341         .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
 342     },
 343     [PIX_FMT_BGR4_BYTE] = {
 344         .name = "bgr4_byte",
 345         .nb_components= 3,
 346         .log2_chroma_w= 0,
 347         .log2_chroma_h= 0,
 348         .comp = {
 349             {0,0,1,3,0},        /* B */
 350             {0,0,1,1,1},        /* G */
 351             {0,0,1,0,0},        /* R */
 352         },
 353         .flags = PIX_FMT_PAL | PIX_FMT_RGB,
 354     },
 355     [PIX_FMT_RGB8] = {
 356         .name = "rgb8",
 357         .nb_components= 3,
 358         .log2_chroma_w= 0,
 359         .log2_chroma_h= 0,
 360         .comp = {
 361             {0,0,1,6,1},        /* R */
 362             {0,0,1,3,2},        /* G */
 363             {0,0,1,0,2},        /* B */
 364         },
 365         .flags = PIX_FMT_PAL | PIX_FMT_RGB,
 366     },
 367     [PIX_FMT_RGB4] = {
 368         .name = "rgb4",
 369         .nb_components= 3,
 370         .log2_chroma_w= 0,
 371         .log2_chroma_h= 0,
 372         .comp = {
 373             {0,3,1,0,0},       /* R */
 374             {0,3,2,0,1},       /* G */
 375             {0,3,4,0,0},       /* B */
 376         },
 377         .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
 378     },
 379     [PIX_FMT_RGB4_BYTE] = {
 380         .name = "rgb4_byte",
 381         .nb_components= 3,
 382         .log2_chroma_w= 0,
 383         .log2_chroma_h= 0,
 384         .comp = {
 385             {0,0,1,3,0},        /* R */
 386             {0,0,1,1,1},        /* G */
 387             {0,0,1,0,0},        /* B */
 388         },
 389         .flags = PIX_FMT_PAL | PIX_FMT_RGB,
 390     },
 391     [PIX_FMT_NV12] = {
 392         .name = "nv12",
 393         .nb_components= 3,
 394         .log2_chroma_w= 1,
 395         .log2_chroma_h= 1,
 396         .comp = {
 397             {0,0,1,0,7},        /* Y */
 398             {1,1,1,0,7},        /* U */
 399             {1,1,2,0,7},        /* V */
 400         },
 401         .flags = PIX_FMT_PLANAR,
 402     },
 403     [PIX_FMT_NV21] = {
 404         .name = "nv21",
 405         .nb_components= 3,
 406         .log2_chroma_w= 1,
 407         .log2_chroma_h= 1,
 408         .comp = {
 409             {0,0,1,0,7},        /* Y */
 410             {1,1,1,0,7},        /* V */
 411             {1,1,2,0,7},        /* U */
 412         },
 413         .flags = PIX_FMT_PLANAR,
 414     },
 415     [PIX_FMT_ARGB] = {
 416         .name = "argb",
 417         .nb_components= 4,
 418         .log2_chroma_w= 0,
 419         .log2_chroma_h= 0,
 420         .comp = {
 421             {0,3,1,0,7},        /* A */
 422             {0,3,2,0,7},        /* R */
 423             {0,3,3,0,7},        /* G */
 424             {0,3,4,0,7},        /* B */
 425         },
 426         .flags = PIX_FMT_RGB,
 427     },
 428     [PIX_FMT_RGBA] = {
 429         .name = "rgba",
 430         .nb_components= 4,
 431         .log2_chroma_w= 0,
 432         .log2_chroma_h= 0,
 433         .comp = {
 434             {0,3,1,0,7},        /* R */
 435             {0,3,2,0,7},        /* G */
 436             {0,3,3,0,7},        /* B */
 437             {0,3,4,0,7},        /* A */
 438         },
 439         .flags = PIX_FMT_RGB,
 440     },
 441     [PIX_FMT_ABGR] = {
 442         .name = "abgr",
 443         .nb_components= 4,
 444         .log2_chroma_w= 0,
 445         .log2_chroma_h= 0,
 446         .comp = {
 447             {0,3,1,0,7},        /* A */
 448             {0,3,2,0,7},        /* B */
 449             {0,3,3,0,7},        /* G */
 450             {0,3,4,0,7},        /* R */
 451         },
 452         .flags = PIX_FMT_RGB,
 453     },
 454     [PIX_FMT_BGRA] = {
 455         .name = "bgra",
 456         .nb_components= 4,
 457         .log2_chroma_w= 0,
 458         .log2_chroma_h= 0,
 459         .comp = {
 460             {0,3,1,0,7},        /* B */
 461             {0,3,2,0,7},        /* G */
 462             {0,3,3,0,7},        /* R */
 463             {0,3,4,0,7},        /* A */
 464         },
 465         .flags = PIX_FMT_RGB,
 466     },
 467     [PIX_FMT_0RGB] = {
 468         .name = "0rgb",
 469         .nb_components= 3,
 470         .log2_chroma_w= 0,
 471         .log2_chroma_h= 0,
 472         .comp = {
 473             {0,3,2,0,7},        /* R */
 474             {0,3,3,0,7},        /* G */
 475             {0,3,4,0,7},        /* B */
 476         },
 477         .flags = PIX_FMT_RGB,
 478     },
 479     [PIX_FMT_RGB0] = {
 480         .name = "rgb0",
 481         .nb_components= 3,
 482         .log2_chroma_w= 0,
 483         .log2_chroma_h= 0,
 484         .comp = {
 485             {0,3,1,0,7},        /* R */
 486             {0,3,2,0,7},        /* G */
 487             {0,3,3,0,7},        /* B */
 488             {0,3,4,0,7},        /* A */
 489         },
 490         .flags = PIX_FMT_RGB,
 491     },
 492     [PIX_FMT_0BGR] = {
 493         .name = "0bgr",
 494         .nb_components= 3,
 495         .log2_chroma_w= 0,
 496         .log2_chroma_h= 0,
 497         .comp = {
 498             {0,3,2,0,7},        /* B */
 499             {0,3,3,0,7},        /* G */
 500             {0,3,4,0,7},        /* R */
 501         },
 502         .flags = PIX_FMT_RGB,
 503     },
 504     [PIX_FMT_BGR0] = {
 505         .name = "bgr0",
 506         .nb_components= 3,
 507         .log2_chroma_w= 0,
 508         .log2_chroma_h= 0,
 509         .comp = {
 510             {0,3,1,0,7},        /* B */
 511             {0,3,2,0,7},        /* G */
 512             {0,3,3,0,7},        /* R */
 513             {0,3,4,0,7},        /* A */
 514         },
 515         .flags = PIX_FMT_RGB,
 516     },
 517     [PIX_FMT_GRAY16BE] = {
 518         .name = "gray16be",
 519         .nb_components= 1,
 520         .log2_chroma_w= 0,
 521         .log2_chroma_h= 0,
 522         .comp = {
 523             {0,1,1,0,15},       /* Y */
 524         },
 525         .flags = PIX_FMT_BE,
 526     },
 527     [PIX_FMT_GRAY16LE] = {
 528         .name = "gray16le",
 529         .nb_components= 1,
 530         .log2_chroma_w= 0,
 531         .log2_chroma_h= 0,
 532         .comp = {
 533             {0,1,1,0,15},       /* Y */
 534         },
 535     },
 536     [PIX_FMT_YUV440P] = {
 537         .name = "yuv440p",
 538         .nb_components= 3,
 539         .log2_chroma_w= 0,
 540         .log2_chroma_h= 1,
 541         .comp = {
 542             {0,0,1,0,7},        /* Y */
 543             {1,0,1,0,7},        /* U */
 544             {2,0,1,0,7},        /* V */
 545         },
 546         .flags = PIX_FMT_PLANAR,
 547     },
 548     [PIX_FMT_YUVJ440P] = {
 549         .name = "yuvj440p",
 550         .nb_components= 3,
 551         .log2_chroma_w= 0,
 552         .log2_chroma_h= 1,
 553         .comp = {
 554             {0,0,1,0,7},        /* Y */
 555             {1,0,1,0,7},        /* U */
 556             {2,0,1,0,7},        /* V */
 557         },
 558         .flags = PIX_FMT_PLANAR,
 559     },
 560     [PIX_FMT_YUVA420P] = {
 561         .name = "yuva420p",
 562         .nb_components= 4,
 563         .log2_chroma_w= 1,
 564         .log2_chroma_h= 1,
 565         .comp = {
 566             {0,0,1,0,7},        /* Y */
 567             {1,0,1,0,7},        /* U */
 568             {2,0,1,0,7},        /* V */
 569             {3,0,1,0,7},        /* A */
 570         },
 571         .flags = PIX_FMT_PLANAR,
 572     },
 573     [PIX_FMT_VDPAU_H264] = {
 574         .name = "vdpau_h264",
 575         .log2_chroma_w = 1,
 576         .log2_chroma_h = 1,
 577         .flags = PIX_FMT_HWACCEL,
 578     },
 579     [PIX_FMT_VDPAU_MPEG1] = {
 580         .name = "vdpau_mpeg1",
 581         .log2_chroma_w = 1,
 582         .log2_chroma_h = 1,
 583         .flags = PIX_FMT_HWACCEL,
 584     },
 585     [PIX_FMT_VDPAU_MPEG2] = {
 586         .name = "vdpau_mpeg2",
 587         .log2_chroma_w = 1,
 588         .log2_chroma_h = 1,
 589         .flags = PIX_FMT_HWACCEL,
 590     },
 591     [PIX_FMT_VDPAU_WMV3] = {
 592         .name = "vdpau_wmv3",
 593         .log2_chroma_w = 1,
 594         .log2_chroma_h = 1,
 595         .flags = PIX_FMT_HWACCEL,
 596     },
 597     [PIX_FMT_VDPAU_VC1] = {
 598         .name = "vdpau_vc1",
 599         .log2_chroma_w = 1,
 600         .log2_chroma_h = 1,
 601         .flags = PIX_FMT_HWACCEL,
 602     },
 603     [PIX_FMT_VDPAU_MPEG4] = {
 604         .name = "vdpau_mpeg4",
 605         .log2_chroma_w = 1,
 606         .log2_chroma_h = 1,
 607         .flags = PIX_FMT_HWACCEL,
 608     },
 609     [PIX_FMT_RGB48BE] = {
 610         .name = "rgb48be",
 611         .nb_components= 3,
 612         .log2_chroma_w= 0,
 613         .log2_chroma_h= 0,
 614         .comp = {
 615             {0,5,1,0,15},       /* R */
 616             {0,5,3,0,15},       /* G */
 617             {0,5,5,0,15},       /* B */
 618         },
 619         .flags = PIX_FMT_RGB | PIX_FMT_BE,
 620     },
 621     [PIX_FMT_RGB48LE] = {
 622         .name = "rgb48le",
 623         .nb_components= 3,
 624         .log2_chroma_w= 0,
 625         .log2_chroma_h= 0,
 626         .comp = {
 627             {0,5,1,0,15},       /* R */
 628             {0,5,3,0,15},       /* G */
 629             {0,5,5,0,15},       /* B */
 630         },
 631         .flags = PIX_FMT_RGB,
 632     },
 633     [PIX_FMT_RGBA64BE] = {
 634         .name = "rgba64be",
 635         .nb_components= 4,
 636         .log2_chroma_w= 0,
 637         .log2_chroma_h= 0,
 638         .comp = {
 639             {0,5,1,0,15},       /* R */
 640             {0,5,3,0,15},       /* G */
 641             {0,5,5,0,15},       /* B */
 642             {0,5,7,0,15},       /* A */
 643         },
 644         .flags = PIX_FMT_RGB | PIX_FMT_BE,
 645     },
 646     [PIX_FMT_RGBA64LE] = {
 647         .name = "rgba64le",
 648         .nb_components= 4,
 649         .log2_chroma_w= 0,
 650         .log2_chroma_h= 0,
 651         .comp = {
 652             {0,5,1,0,15},       /* R */
 653             {0,5,3,0,15},       /* G */
 654             {0,5,5,0,15},       /* B */
 655             {0,5,7,0,15},       /* B */
 656         },
 657         .flags = PIX_FMT_RGB,
 658     },
 659     [PIX_FMT_RGB565BE] = {
 660         .name = "rgb565be",
 661         .nb_components= 3,
 662         .log2_chroma_w= 0,
 663         .log2_chroma_h= 0,
 664         .comp = {
 665             {0,1,0,3,4},        /* R */
 666             {0,1,1,5,5},        /* G */
 667             {0,1,1,0,4},        /* B */
 668         },
 669         .flags = PIX_FMT_BE | PIX_FMT_RGB,
 670     },
 671     [PIX_FMT_RGB565LE] = {
 672         .name = "rgb565le",
 673         .nb_components= 3,
 674         .log2_chroma_w= 0,
 675         .log2_chroma_h= 0,
 676         .comp = {
 677             {0,1,2,3,4},        /* R */
 678             {0,1,1,5,5},        /* G */
 679             {0,1,1,0,4},        /* B */
 680         },
 681         .flags = PIX_FMT_RGB,
 682     },
 683     [PIX_FMT_RGB555BE] = {
 684         .name = "rgb555be",
 685         .nb_components= 3,
 686         .log2_chroma_w= 0,
 687         .log2_chroma_h= 0,
 688         .comp = {
 689             {0,1,0,2,4},        /* R */
 690             {0,1,1,5,4},        /* G */
 691             {0,1,1,0,4},        /* B */
 692         },
 693         .flags = PIX_FMT_BE | PIX_FMT_RGB,
 694     },
 695     [PIX_FMT_RGB555LE] = {
 696         .name = "rgb555le",
 697         .nb_components= 3,
 698         .log2_chroma_w= 0,
 699         .log2_chroma_h= 0,
 700         .comp = {
 701             {0,1,2,2,4},        /* R */
 702             {0,1,1,5,4},        /* G */
 703             {0,1,1,0,4},        /* B */
 704         },
 705         .flags = PIX_FMT_RGB,
 706     },
 707     [PIX_FMT_RGB444BE] = {
 708         .name = "rgb444be",
 709         .nb_components= 3,
 710         .log2_chroma_w= 0,
 711         .log2_chroma_h= 0,
 712         .comp = {
 713             {0,1,0,0,3},        /* R */
 714             {0,1,1,4,3},        /* G */
 715             {0,1,1,0,3},        /* B */
 716         },
 717         .flags = PIX_FMT_BE | PIX_FMT_RGB,
 718     },
 719     [PIX_FMT_RGB444LE] = {
 720         .name = "rgb444le",
 721         .nb_components= 3,
 722         .log2_chroma_w= 0,
 723         .log2_chroma_h= 0,
 724         .comp = {
 725             {0,1,2,0,3},        /* R */
 726             {0,1,1,4,3},        /* G */
 727             {0,1,1,0,3},        /* B */
 728         },
 729         .flags = PIX_FMT_RGB,
 730     },
 731     [PIX_FMT_BGR48BE] = {
 732         .name = "bgr48be",
 733         .nb_components= 3,
 734         .log2_chroma_w= 0,
 735         .log2_chroma_h= 0,
 736         .comp = {
 737             {0,5,1,0,15},       /* B */
 738             {0,5,3,0,15},       /* G */
 739             {0,5,5,0,15},       /* R */
 740         },
 741         .flags = PIX_FMT_BE | PIX_FMT_RGB,
 742     },
 743     [PIX_FMT_BGR48LE] = {
 744         .name = "bgr48le",
 745         .nb_components= 3,
 746         .log2_chroma_w= 0,
 747         .log2_chroma_h= 0,
 748         .comp = {
 749             {0,5,1,0,15},       /* B */
 750             {0,5,3,0,15},       /* G */
 751             {0,5,5,0,15},       /* R */
 752         },
 753         .flags = PIX_FMT_RGB,
 754     },
 755     [PIX_FMT_BGRA64BE] = {
 756         .name = "bgra64be",
 757         .nb_components= 4,
 758         .log2_chroma_w= 0,
 759         .log2_chroma_h= 0,
 760         .comp = {
 761             {0,5,1,0,15},       /* B */
 762             {0,5,3,0,15},       /* G */
 763             {0,5,5,0,15},       /* R */
 764             {0,5,7,0,15},       /* A */
 765         },
 766         .flags = PIX_FMT_BE,
 767     },
 768     [PIX_FMT_BGRA64LE] = {
 769         .name = "bgra64le",
 770         .nb_components= 4,
 771         .log2_chroma_w= 0,
 772         .log2_chroma_h= 0,
 773         .comp = {
 774             {0,5,1,0,15},       /* B */
 775             {0,5,3,0,15},       /* G */
 776             {0,5,5,0,15},       /* R */
 777             {0,5,7,0,15},       /* A */
 778         },
 779     },
 780     [PIX_FMT_BGR565BE] = {
 781         .name = "bgr565be",
 782         .nb_components= 3,
 783         .log2_chroma_w= 0,
 784         .log2_chroma_h= 0,
 785         .comp = {
 786             {0,1,0,3,4},        /* B */
 787             {0,1,1,5,5},        /* G */
 788             {0,1,1,0,4},        /* R */
 789         },
 790         .flags = PIX_FMT_BE | PIX_FMT_RGB,
 791     },
 792     [PIX_FMT_BGR565LE] = {
 793         .name = "bgr565le",
 794         .nb_components= 3,
 795         .log2_chroma_w= 0,
 796         .log2_chroma_h= 0,
 797         .comp = {
 798             {0,1,2,3,4},        /* B */
 799             {0,1,1,5,5},        /* G */
 800             {0,1,1,0,4},        /* R */
 801         },
 802         .flags = PIX_FMT_RGB,
 803     },
 804     [PIX_FMT_BGR555BE] = {
 805         .name = "bgr555be",
 806         .nb_components= 3,
 807         .log2_chroma_w= 0,
 808         .log2_chroma_h= 0,
 809         .comp = {
 810             {0,1,0,2,4},       /* B */
 811             {0,1,1,5,4},       /* G */
 812             {0,1,1,0,4},       /* R */
 813         },
 814         .flags = PIX_FMT_BE | PIX_FMT_RGB,
 815      },
 816     [PIX_FMT_BGR555LE] = {
 817         .name = "bgr555le",
 818         .nb_components= 3,
 819         .log2_chroma_w= 0,
 820         .log2_chroma_h= 0,
 821         .comp = {
 822             {0,1,2,2,4},        /* B */
 823             {0,1,1,5,4},        /* G */
 824             {0,1,1,0,4},        /* R */
 825         },
 826         .flags = PIX_FMT_RGB,
 827     },
 828     [PIX_FMT_BGR444BE] = {
 829         .name = "bgr444be",
 830         .nb_components= 3,
 831         .log2_chroma_w= 0,
 832         .log2_chroma_h= 0,
 833         .comp = {
 834             {0,1,0,0,3},       /* B */
 835             {0,1,1,4,3},       /* G */
 836             {0,1,1,0,3},       /* R */
 837         },
 838         .flags = PIX_FMT_BE | PIX_FMT_RGB,
 839      },
 840     [PIX_FMT_BGR444LE] = {
 841         .name = "bgr444le",
 842         .nb_components= 3,
 843         .log2_chroma_w= 0,
 844         .log2_chroma_h= 0,
 845         .comp = {
 846             {0,1,2,0,3},        /* B */
 847             {0,1,1,4,3},        /* G */
 848             {0,1,1,0,3},        /* R */
 849         },
 850         .flags = PIX_FMT_RGB,
 851     },
 852     [PIX_FMT_VAAPI_MOCO] = {
 853         .name = "vaapi_moco",
 854         .log2_chroma_w = 1,
 855         .log2_chroma_h = 1,
 856         .flags = PIX_FMT_HWACCEL,
 857     },
 858     [PIX_FMT_VAAPI_IDCT] = {
 859         .name = "vaapi_idct",
 860         .log2_chroma_w = 1,
 861         .log2_chroma_h = 1,
 862         .flags = PIX_FMT_HWACCEL,
 863     },
 864     [PIX_FMT_VAAPI_VLD] = {
 865         .name = "vaapi_vld",
 866         .log2_chroma_w = 1,
 867         .log2_chroma_h = 1,
 868         .flags = PIX_FMT_HWACCEL,
 869     },
 870     [PIX_FMT_VDA_VLD] = {
 871         .name = "vda_vld",
 872         .log2_chroma_w = 1,
 873         .log2_chroma_h = 1,
 874         .flags = PIX_FMT_HWACCEL,
 875     },
 876     [PIX_FMT_YUV420P9LE] = {
 877         .name = "yuv420p9le",
 878         .nb_components= 3,
 879         .log2_chroma_w= 1,
 880         .log2_chroma_h= 1,
 881         .comp = {
 882             {0,1,1,0,8},        /* Y */
 883             {1,1,1,0,8},        /* U */
 884             {2,1,1,0,8},        /* V */
 885         },
 886         .flags = PIX_FMT_PLANAR,
 887     },
 888     [PIX_FMT_YUV420P9BE] = {
 889         .name = "yuv420p9be",
 890         .nb_components= 3,
 891         .log2_chroma_w= 1,
 892         .log2_chroma_h= 1,
 893         .comp = {
 894             {0,1,1,0,8},        /* Y */
 895             {1,1,1,0,8},        /* U */
 896             {2,1,1,0,8},        /* V */
 897         },
 898         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
 899     },
 900     [PIX_FMT_YUV420P10LE] = {
 901         .name = "yuv420p10le",
 902         .nb_components= 3,
 903         .log2_chroma_w= 1,
 904         .log2_chroma_h= 1,
 905         .comp = {
 906             {0,1,1,0,9},        /* Y */
 907             {1,1,1,0,9},        /* U */
 908             {2,1,1,0,9},        /* V */
 909         },
 910         .flags = PIX_FMT_PLANAR,
 911     },
 912     [PIX_FMT_YUV420P10BE] = {
 913         .name = "yuv420p10be",
 914         .nb_components= 3,
 915         .log2_chroma_w= 1,
 916         .log2_chroma_h= 1,
 917         .comp = {
 918             {0,1,1,0,9},        /* Y */
 919             {1,1,1,0,9},        /* U */
 920             {2,1,1,0,9},        /* V */
 921         },
 922         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
 923     },
 924     [PIX_FMT_YUV420P16LE] = {
 925         .name = "yuv420p16le",
 926         .nb_components= 3,
 927         .log2_chroma_w= 1,
 928         .log2_chroma_h= 1,
 929         .comp = {
 930             {0,1,1,0,15},        /* Y */
 931             {1,1,1,0,15},        /* U */
 932             {2,1,1,0,15},        /* V */
 933         },
 934         .flags = PIX_FMT_PLANAR,
 935     },
 936     [PIX_FMT_YUV420P16BE] = {
 937         .name = "yuv420p16be",
 938         .nb_components= 3,
 939         .log2_chroma_w= 1,
 940         .log2_chroma_h= 1,
 941         .comp = {
 942             {0,1,1,0,15},        /* Y */
 943             {1,1,1,0,15},        /* U */
 944             {2,1,1,0,15},        /* V */
 945         },
 946         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
 947     },
 948     [PIX_FMT_YUV422P9LE] = {
 949         .name = "yuv422p9le",
 950         .nb_components= 3,
 951         .log2_chroma_w= 1,
 952         .log2_chroma_h= 0,
 953         .comp = {
 954             {0,1,1,0,8},        /* Y */
 955             {1,1,1,0,8},        /* U */
 956             {2,1,1,0,8},        /* V */
 957         },
 958         .flags = PIX_FMT_PLANAR,
 959     },
 960     [PIX_FMT_YUV422P9BE] = {
 961         .name = "yuv422p9be",
 962         .nb_components= 3,
 963         .log2_chroma_w= 1,
 964         .log2_chroma_h= 0,
 965         .comp = {
 966             {0,1,1,0,8},        /* Y */
 967             {1,1,1,0,8},        /* U */
 968             {2,1,1,0,8},        /* V */
 969         },
 970         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
 971     },
 972     [PIX_FMT_YUV422P10LE] = {
 973         .name = "yuv422p10le",
 974         .nb_components= 3,
 975         .log2_chroma_w= 1,
 976         .log2_chroma_h= 0,
 977         .comp = {
 978             {0,1,1,0,9},        /* Y */
 979             {1,1,1,0,9},        /* U */
 980             {2,1,1,0,9},        /* V */
 981         },
 982         .flags = PIX_FMT_PLANAR,
 983     },
 984     [PIX_FMT_YUV422P10BE] = {
 985         .name = "yuv422p10be",
 986         .nb_components= 3,
 987         .log2_chroma_w= 1,
 988         .log2_chroma_h= 0,
 989         .comp = {
 990             {0,1,1,0,9},        /* Y */
 991             {1,1,1,0,9},        /* U */
 992             {2,1,1,0,9},        /* V */
 993         },
 994         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
 995     },
 996     [PIX_FMT_YUV422P16LE] = {
 997         .name = "yuv422p16le",
 998         .nb_components= 3,
 999         .log2_chroma_w= 1,
1000         .log2_chroma_h= 0,
1001         .comp = {
1002             {0,1,1,0,15},        /* Y */
1003             {1,1,1,0,15},        /* U */
1004             {2,1,1,0,15},        /* V */
1005         },
1006         .flags = PIX_FMT_PLANAR,
1007     },
1008     [PIX_FMT_YUV422P16BE] = {
1009         .name = "yuv422p16be",
1010         .nb_components= 3,
1011         .log2_chroma_w= 1,
1012         .log2_chroma_h= 0,
1013         .comp = {
1014             {0,1,1,0,15},        /* Y */
1015             {1,1,1,0,15},        /* U */
1016             {2,1,1,0,15},        /* V */
1017         },
1018         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1019     },
1020     [PIX_FMT_YUV444P16LE] = {
1021         .name = "yuv444p16le",
1022         .nb_components= 3,
1023         .log2_chroma_w= 0,
1024         .log2_chroma_h= 0,
1025         .comp = {
1026             {0,1,1,0,15},        /* Y */
1027             {1,1,1,0,15},        /* U */
1028             {2,1,1,0,15},        /* V */
1029         },
1030         .flags = PIX_FMT_PLANAR,
1031     },
1032     [PIX_FMT_YUV444P16BE] = {
1033         .name = "yuv444p16be",
1034         .nb_components= 3,
1035         .log2_chroma_w= 0,
1036         .log2_chroma_h= 0,
1037         .comp = {
1038             {0,1,1,0,15},        /* Y */
1039             {1,1,1,0,15},        /* U */
1040             {2,1,1,0,15},        /* V */
1041         },
1042         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1043     },
1044     [PIX_FMT_YUV444P10LE] = {
1045         .name = "yuv444p10le",
1046         .nb_components= 3,
1047         .log2_chroma_w= 0,
1048         .log2_chroma_h= 0,
1049         .comp = {
1050             {0,1,1,0,9},        /* Y */
1051             {1,1,1,0,9},        /* U */
1052             {2,1,1,0,9},        /* V */
1053         },
1054         .flags = PIX_FMT_PLANAR,
1055     },
1056     [PIX_FMT_YUV444P10BE] = {
1057         .name = "yuv444p10be",
1058         .nb_components= 3,
1059         .log2_chroma_w= 0,
1060         .log2_chroma_h= 0,
1061         .comp = {
1062             {0,1,1,0,9},        /* Y */
1063             {1,1,1,0,9},        /* U */
1064             {2,1,1,0,9},        /* V */
1065         },
1066         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1067     },
1068     [PIX_FMT_YUV444P9LE] = {
1069         .name = "yuv444p9le",
1070         .nb_components= 3,
1071         .log2_chroma_w= 0,
1072         .log2_chroma_h= 0,
1073         .comp = {
1074             {0,1,1,0,8},        /* Y */
1075             {1,1,1,0,8},        /* U */
1076             {2,1,1,0,8},        /* V */
1077         },
1078         .flags = PIX_FMT_PLANAR,
1079     },
1080     [PIX_FMT_YUV444P9BE] = {
1081         .name = "yuv444p9be",
1082         .nb_components= 3,
1083         .log2_chroma_w= 0,
1084         .log2_chroma_h= 0,
1085         .comp = {
1086             {0,1,1,0,8},        /* Y */
1087             {1,1,1,0,8},        /* U */
1088             {2,1,1,0,8},        /* V */
1089         },
1090         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1091     },
1092     [PIX_FMT_DXVA2_VLD] = {
1093         .name = "dxva2_vld",
1094         .log2_chroma_w = 1,
1095         .log2_chroma_h = 1,
1096         .flags = PIX_FMT_HWACCEL,
1097     },
1098     [PIX_FMT_VDA_VLD] = {
1099         .name = "vda_vld",
1100         .log2_chroma_w = 1,
1101         .log2_chroma_h = 1,
1102         .flags = PIX_FMT_HWACCEL,
1103     },
1104     [PIX_FMT_GRAY8A] = {
1105         .name = "gray8a",
1106         .nb_components= 2,
1107         .comp = {
1108             {0,1,1,0,7},        /* Y */
1109             {0,1,2,0,7},        /* A */
1110         },
1111     },
1112     [PIX_FMT_GBR24P] = {
1113         .name = "gbr24p",
1114         .nb_components= 3,
1115         .comp = {
1116             {1,0,1,0,7},        /* B */
1117             {0,0,1,0,7},        /* G */
1118             {2,0,1,0,7},        /* R */
1119         },
1120         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1121     },
1122     [PIX_FMT_GBRP] = {
1123         .name = "gbrp",
1124         .nb_components= 3,
1125         .log2_chroma_w= 0,
1126         .log2_chroma_h= 0,
1127         .comp = {
1128             {0,0,1,0,7},        /* G */
1129             {1,0,1,0,7},        /* B */
1130             {2,0,1,0,7},        /* R */
1131         },
1132         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1133     },
1134     [PIX_FMT_GBRP9LE] = {
1135         .name = "gbrp9le",
1136         .nb_components= 3,
1137         .log2_chroma_w= 0,
1138         .log2_chroma_h= 0,
1139         .comp = {
1140             {0,1,1,0,8},        /* G */
1141             {1,1,1,0,8},        /* B */
1142             {2,1,1,0,8},        /* R */
1143         },
1144         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1145     },
1146     [PIX_FMT_GBRP9BE] = {
1147         .name = "gbrp9be",
1148         .nb_components= 3,
1149         .log2_chroma_w= 0,
1150         .log2_chroma_h= 0,
1151         .comp = {
1152             {0,1,1,0,8},        /* G */
1153             {1,1,1,0,8},        /* B */
1154             {2,1,1,0,8},        /* R */
1155         },
1156         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1157     },
1158     [PIX_FMT_GBRP10LE] = {
1159         .name = "gbrp10le",
1160         .nb_components= 3,
1161         .log2_chroma_w= 0,
1162         .log2_chroma_h= 0,
1163         .comp = {
1164             {0,1,1,0,9},        /* G */
1165             {1,1,1,0,9},        /* B */
1166             {2,1,1,0,9},        /* R */
1167         },
1168         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1169     },
1170     [PIX_FMT_GBRP10BE] = {
1171         .name = "gbrp10be",
1172         .nb_components= 3,
1173         .log2_chroma_w= 0,
1174         .log2_chroma_h= 0,
1175         .comp = {
1176             {0,1,1,0,9},        /* G */
1177             {1,1,1,0,9},        /* B */
1178             {2,1,1,0,9},        /* R */
1179         },
1180         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1181     },
1182     [PIX_FMT_GBRP16LE] = {
1183         .name = "gbrp16le",
1184         .nb_components= 3,
1185         .log2_chroma_w= 0,
1186         .log2_chroma_h= 0,
1187         .comp = {
1188             {0,1,1,0,15},       /* G */
1189             {1,1,1,0,15},       /* B */
1190             {2,1,1,0,15},       /* R */
1191         },
1192         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1193     },
1194     [PIX_FMT_GBRP16BE] = {
1195         .name = "gbrp16be",
1196         .nb_components= 3,
1197         .log2_chroma_w= 0,
1198         .log2_chroma_h= 0,
1199         .comp = {
1200             {0,1,1,0,15},       /* G */
1201             {1,1,1,0,15},       /* B */
1202             {2,1,1,0,15},       /* R */
1203         },
1204         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1205     },
1206 };
1207
1208 static enum PixelFormat get_pix_fmt_internal(const char *name)
1209 {
1210     enum PixelFormat pix_fmt;
1211
1212     for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++)
1213         if (av_pix_fmt_descriptors[pix_fmt].name &&
1214             !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))
1215             return pix_fmt;
1216
1217     return PIX_FMT_NONE;
1218 }
1219
1220 const char *av_get_pix_fmt_name(enum PixelFormat pix_fmt)
1221 {
1222     return (unsigned)pix_fmt < PIX_FMT_NB ?
1223         av_pix_fmt_descriptors[pix_fmt].name : NULL;
1224 }
1225
1226 #if HAVE_BIGENDIAN
1227 #   define X_NE(be, le) be
1228 #else
1229 #   define X_NE(be, le) le
1230 #endif
1231
1232 enum PixelFormat av_get_pix_fmt(const char *name)
1233 {
1234     enum PixelFormat pix_fmt;
1235
1236     if (!strcmp(name, "rgb32"))
1237         name = X_NE("argb", "bgra");
1238     else if (!strcmp(name, "bgr32"))
1239         name = X_NE("abgr", "rgba");
1240
1241     pix_fmt = get_pix_fmt_internal(name);
1242     if (pix_fmt == PIX_FMT_NONE) {
1243         char name2[32];
1244
1245         snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
1246         pix_fmt = get_pix_fmt_internal(name2);
1247     }
1248     return pix_fmt;
1249 }
1250
1251 int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
1252 {
1253     int c, bits = 0;
1254     int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
1255
1256     for (c = 0; c < pixdesc->nb_components; c++) {
1257         int s = c==1 || c==2 ? 0 : log2_pixels;
1258         bits += (pixdesc->comp[c].depth_minus1+1) << s;
1259     }
1260
1261     return bits >> log2_pixels;
1262 }
1263
1264 char *av_get_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt)
1265 {
1266     /* print header */
1267     if (pix_fmt < 0) {
1268         snprintf (buf, buf_size, "name      " " nb_components" " nb_bits");
1269     } else {
1270         const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt];
1271         snprintf(buf, buf_size, "%-11s %7d %10d",
1272                  pixdesc->name, pixdesc->nb_components, av_get_bits_per_pixel(pixdesc));
1273     }
1274
1275     return buf;
1276 }