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 "pixfmt.h"
  23 #include "pixdesc.h"
  24
  25 const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
  26     [PIX_FMT_YUV420P] = {
  27         .name = "yuv420p",
  28         .nb_channels  = 3,
  29         .log2_chroma_w= 1,
  30         .log2_chroma_h= 1,
  31         .comp = {
  32             {0,0,1,0,7},        /* Y */
  33             {1,0,1,0,7},        /* U */
  34             {2,0,1,0,7},        /* V */
  35         },
  36     },
  37     [PIX_FMT_YUYV422] = {
  38         .name = "yuyv422",
  39         .nb_channels  = 3,
  40         .log2_chroma_w= 1,
  41         .log2_chroma_h= 0,
  42         .comp = {
  43             {0,1,1,0,7},        /* Y */
  44             {0,3,2,0,7},        /* U */
  45             {0,3,4,0,7},        /* V */
  46         },
  47     },
  48     [PIX_FMT_RGB24] = {
  49         .name = "rgb24",
  50         .nb_channels  = 3,
  51         .log2_chroma_w= 0,
  52         .log2_chroma_h= 0,
  53         .comp = {
  54             {0,2,1,0,7},        /* R */
  55             {0,2,2,0,7},        /* G */
  56             {0,2,3,0,7},        /* B */
  57         },
  58     },
  59     [PIX_FMT_BGR24] = {
  60         .name = "bgr24",
  61         .nb_channels  = 3,
  62         .log2_chroma_w= 0,
  63         .log2_chroma_h= 0,
  64         .comp = {
  65             {0,2,1,0,7},        /* B */
  66             {0,2,2,0,7},        /* G */
  67             {0,2,3,0,7},        /* R */
  68         },
  69     },
  70     [PIX_FMT_YUV422P] = {
  71         .name = "yuv422p",
  72         .nb_channels  = 3,
  73         .log2_chroma_w= 1,
  74         .log2_chroma_h= 0,
  75         .comp = {
  76             {0,0,1,0,7},        /* Y */
  77             {1,0,1,0,7},        /* U */
  78             {2,0,1,0,7},        /* V */
  79         },
  80     },
  81     [PIX_FMT_YUV444P] = {
  82         .name = "yuv444p",
  83         .nb_channels  = 3,
  84         .log2_chroma_w= 0,
  85         .log2_chroma_h= 0,
  86         .comp = {
  87             {0,0,1,0,7},        /* Y */
  88             {1,0,1,0,7},        /* U */
  89             {2,0,1,0,7},        /* V */
  90         },
  91     },
  92     [PIX_FMT_YUV410P] = {
  93         .name = "yuv410p",
  94         .nb_channels  = 3,
  95         .log2_chroma_w= 2,
  96         .log2_chroma_h= 2,
  97         .comp = {
  98             {0,0,1,0,7},        /* Y */
  99             {1,0,1,0,7},        /* U */
 100             {2,0,1,0,7},        /* V */
 101         },
 102     },
 103     [PIX_FMT_YUV411P] = {
 104         .name = "yuv411p",
 105         .nb_channels  = 3,
 106         .log2_chroma_w= 2,
 107         .log2_chroma_h= 0,
 108         .comp = {
 109             {0,0,1,0,7},        /* Y */
 110             {1,0,1,0,7},        /* U */
 111             {2,0,1,0,7},        /* V */
 112         },
 113     },
 114     [PIX_FMT_GRAY8] = {
 115         .name = "gray8",
 116         .nb_channels  = 1,
 117         .log2_chroma_w= 0,
 118         .log2_chroma_h= 0,
 119         .comp = {
 120             {0,0,1,0,7},        /* Y */
 121         },
 122     },
 123     [PIX_FMT_MONOWHITE] = {
 124         .name = "monowhite",
 125         .nb_channels  = 1,
 126         .log2_chroma_w= 0,
 127         .log2_chroma_h= 0,
 128         .comp = {
 129             {0,0,1,0,0},        /* Y */
 130         },
 131         .flags = PIX_FMT_BITSTREAM,
 132     },
 133     [PIX_FMT_MONOBLACK] = {
 134         .name = "monoblack",
 135         .nb_channels  = 1,
 136         .log2_chroma_w= 0,
 137         .log2_chroma_h= 0,
 138         .comp = {
 139             {0,0,1,7,0},        /* Y */
 140         },
 141         .flags = PIX_FMT_BITSTREAM,
 142     },
 143     [PIX_FMT_PAL8] = {
 144         .name = "pal8",
 145         .nb_channels  = 1,
 146         .log2_chroma_w= 0,
 147         .log2_chroma_h= 0,
 148         .comp = {
 149             {0,0,1,0,7},
 150         },
 151         .flags = PIX_FMT_PAL,
 152     },
 153     [PIX_FMT_YUVJ420P] = {
 154         .name = "yuvj420p",
 155         .nb_channels  = 3,
 156         .log2_chroma_w= 1,
 157         .log2_chroma_h= 1,
 158         .comp = {
 159             {0,0,1,0,7},        /* Y */
 160             {1,0,1,0,7},        /* U */
 161             {2,0,1,0,7},        /* V */
 162         },
 163     },
 164     [PIX_FMT_YUVJ422P] = {
 165         .name = "yuvj422p",
 166         .nb_channels  = 3,
 167         .log2_chroma_w= 1,
 168         .log2_chroma_h= 0,
 169         .comp = {
 170             {0,0,1,0,7},        /* Y */
 171             {1,0,1,0,7},        /* U */
 172             {2,0,1,0,7},        /* V */
 173         },
 174     },
 175     [PIX_FMT_YUVJ444P] = {
 176         .name = "yuvj444p",
 177         .nb_channels  = 3,
 178         .log2_chroma_w= 0,
 179         .log2_chroma_h= 0,
 180         .comp = {
 181             {0,0,1,0,7},        /* Y */
 182             {1,0,1,0,7},        /* U */
 183             {2,0,1,0,7},        /* V */
 184         },
 185     },
 186     [PIX_FMT_XVMC_MPEG2_MC] = {
 187         .name = "xvmc_mpeg2_mc",
 188         .flags = PIX_FMT_HWACCEL,
 189     },
 190     [PIX_FMT_XVMC_MPEG2_IDCT] = {
 191         .name = "xvmc_mpeg2_idct",
 192         .flags = PIX_FMT_HWACCEL,
 193     },
 194     [PIX_FMT_UYVY422] = {
 195         .name = "uyvy422",
 196         .nb_channels  = 3,
 197         .log2_chroma_w= 1,
 198         .log2_chroma_h= 0,
 199         .comp = {
 200             {0,1,2,0,7},        /* Y */
 201             {0,3,1,0,7},        /* U */
 202             {0,3,3,0,7},        /* V */
 203         },
 204     },
 205     [PIX_FMT_UYYVYY411] = {
 206         .name = "uyyvyy411",
 207         .nb_channels  = 3,
 208         .log2_chroma_w= 2,
 209         .log2_chroma_h= 0,
 210         .comp = {
 211             {0,3,2,0,7},        /* Y */
 212             {0,5,1,0,7},        /* U */
 213             {0,5,4,0,7},        /* V */
 214         },
 215     },
 216     [PIX_FMT_BGR8] = {
 217         .name = "bgr8",
 218         .nb_channels  = 3,
 219         .log2_chroma_w= 0,
 220         .log2_chroma_h= 0,
 221         .comp = {
 222             {0,0,1,6,1},        /* B */
 223             {0,0,1,3,2},        /* G */
 224             {0,0,1,0,2},        /* R */
 225         },
 226         .flags = PIX_FMT_PAL,
 227     },
 228     [PIX_FMT_BGR4] = {
 229         .name = "bgr4",
 230         .nb_channels  = 3,
 231         .log2_chroma_w= 0,
 232         .log2_chroma_h= 0,
 233         .comp = {
 234             {0,3,1,0,0},        /* B */
 235             {0,3,2,0,1},        /* G */
 236             {0,3,4,0,0},        /* R */
 237         },
 238         .flags = PIX_FMT_BITSTREAM,
 239     },
 240     [PIX_FMT_BGR4_BYTE] = {
 241         .name = "bgr4_byte",
 242         .nb_channels  = 3,
 243         .log2_chroma_w= 0,
 244         .log2_chroma_h= 0,
 245         .comp = {
 246             {0,0,1,3,0},        /* B */
 247             {0,0,1,1,1},        /* G */
 248             {0,0,1,0,0},        /* R */
 249         },
 250         .flags = PIX_FMT_PAL,
 251     },
 252     [PIX_FMT_RGB8] = {
 253         .name = "rgb8",
 254         .nb_channels  = 3,
 255         .log2_chroma_w= 0,
 256         .log2_chroma_h= 0,
 257         .comp = {
 258             {0,0,1,6,1},        /* R */
 259             {0,0,1,3,2},        /* G */
 260             {0,0,1,0,2},        /* B */
 261         },
 262         .flags = PIX_FMT_PAL,
 263     },
 264     [PIX_FMT_RGB4] = {
 265         .name = "rgb4",
 266         .nb_channels  = 3,
 267         .log2_chroma_w= 0,
 268         .log2_chroma_h= 0,
 269         .comp = {
 270             {0,3,1,0,0},       /* R */
 271             {0,3,2,0,1},       /* G */
 272             {0,3,4,0,0},       /* B */
 273         },
 274         .flags = PIX_FMT_BITSTREAM,
 275     },
 276     [PIX_FMT_RGB4_BYTE] = {
 277         .name = "rgb4_byte",
 278         .nb_channels  = 3,
 279         .log2_chroma_w= 0,
 280         .log2_chroma_h= 0,
 281         .comp = {
 282             {0,0,1,3,0},        /* R */
 283             {0,0,1,1,1},        /* G */
 284             {0,0,1,0,0},        /* B */
 285         },
 286         .flags = PIX_FMT_PAL,
 287     },
 288     [PIX_FMT_NV12] = {
 289         .name = "nv12",
 290         .nb_channels  = 3,
 291         .log2_chroma_w= 1,
 292         .log2_chroma_h= 1,
 293         .comp = {
 294             {0,0,1,0,7},        /* Y */
 295             {1,1,1,0,7},        /* U */
 296             {1,1,2,0,7},        /* V */
 297         },
 298     },
 299     [PIX_FMT_NV21] = {
 300         .name = "nv21",
 301         .nb_channels  = 3,
 302         .log2_chroma_w= 1,
 303         .log2_chroma_h= 1,
 304         .comp = {
 305             {0,0,1,0,7},        /* Y */
 306             {1,1,1,0,7},        /* V */
 307             {1,1,2,0,7},        /* U */
 308         },
 309     },
 310     [PIX_FMT_ARGB] = {
 311         .name = "argb",
 312         .nb_channels  = 4,
 313         .log2_chroma_w= 0,
 314         .log2_chroma_h= 0,
 315         .comp = {
 316             {0,3,1,0,7},        /* A */
 317             {0,3,2,0,7},        /* R */
 318             {0,3,3,0,7},        /* G */
 319             {0,3,4,0,7},        /* B */
 320         },
 321     },
 322     [PIX_FMT_RGBA] = {
 323         .name = "rgba",
 324         .nb_channels  = 4,
 325         .log2_chroma_w= 0,
 326         .log2_chroma_h= 0,
 327         .comp = {
 328             {0,3,1,0,7},        /* R */
 329             {0,3,2,0,7},        /* G */
 330             {0,3,3,0,7},        /* B */
 331             {0,3,4,0,7},        /* A */
 332         },
 333     },
 334     [PIX_FMT_ABGR] = {
 335         .name = "abgr",
 336         .nb_channels  = 4,
 337         .log2_chroma_w= 0,
 338         .log2_chroma_h= 0,
 339         .comp = {
 340             {0,3,1,0,7},        /* A */
 341             {0,3,2,0,7},        /* B */
 342             {0,3,3,0,7},        /* G */
 343             {0,3,4,0,7},        /* R */
 344         },
 345     },
 346     [PIX_FMT_BGRA] = {
 347         .name = "bgra",
 348         .nb_channels  = 4,
 349         .log2_chroma_w= 0,
 350         .log2_chroma_h= 0,
 351         .comp = {
 352             {0,3,1,0,7},        /* B */
 353             {0,3,2,0,7},        /* G */
 354             {0,3,3,0,7},        /* R */
 355             {0,3,4,0,7},        /* A */
 356         },
 357     },
 358     [PIX_FMT_GRAY16BE] = {
 359         .name = "gray16be",
 360         .nb_channels  = 1,
 361         .log2_chroma_w= 0,
 362         .log2_chroma_h= 0,
 363         .comp = {
 364             {0,1,1,0,15},       /* Y */
 365         },
 366         .flags = PIX_FMT_BE,
 367     },
 368     [PIX_FMT_GRAY16LE] = {
 369         .name = "gray16le",
 370         .nb_channels  = 1,
 371         .log2_chroma_w= 0,
 372         .log2_chroma_h= 0,
 373         .comp = {
 374             {0,1,1,0,15},       /* Y */
 375         },
 376     },
 377     [PIX_FMT_YUV440P] = {
 378         .name = "yuv440p",
 379         .nb_channels  = 3,
 380         .log2_chroma_w= 0,
 381         .log2_chroma_h= 1,
 382         .comp = {
 383             {0,0,1,0,7},        /* Y */
 384             {1,0,1,0,7},        /* U */
 385             {2,0,1,0,7},        /* V */
 386         },
 387     },
 388     [PIX_FMT_YUVJ440P] = {
 389         .name = "yuvj440p",
 390         .nb_channels  = 3,
 391         .log2_chroma_w= 0,
 392         .log2_chroma_h= 1,
 393         .comp = {
 394             {0,0,1,0,7},        /* Y */
 395             {1,0,1,0,7},        /* U */
 396             {2,0,1,0,7},        /* V */
 397         },
 398     },
 399     [PIX_FMT_YUVA420P] = {
 400         .name = "yuva420p",
 401         .nb_channels  = 4,
 402         .log2_chroma_w= 1,
 403         .log2_chroma_h= 1,
 404         .comp = {
 405             {0,0,1,0,7},        /* Y */
 406             {1,0,1,0,7},        /* U */
 407             {2,0,1,0,7},        /* V */
 408             {3,0,1,0,7},        /* A */
 409         },
 410     },
 411     [PIX_FMT_VDPAU_H264] = {
 412         .name = "vdpau_h264",
 413         .log2_chroma_w = 1,
 414         .log2_chroma_h = 1,
 415         .flags = PIX_FMT_HWACCEL,
 416     },
 417     [PIX_FMT_VDPAU_MPEG1] = {
 418         .name = "vdpau_mpeg1",
 419         .log2_chroma_w = 1,
 420         .log2_chroma_h = 1,
 421         .flags = PIX_FMT_HWACCEL,
 422     },
 423     [PIX_FMT_VDPAU_MPEG2] = {
 424         .name = "vdpau_mpeg2",
 425         .log2_chroma_w = 1,
 426         .log2_chroma_h = 1,
 427         .flags = PIX_FMT_HWACCEL,
 428     },
 429     [PIX_FMT_VDPAU_WMV3] = {
 430         .name = "vdpau_wmv3",
 431         .log2_chroma_w = 1,
 432         .log2_chroma_h = 1,
 433         .flags = PIX_FMT_HWACCEL,
 434     },
 435     [PIX_FMT_VDPAU_VC1] = {
 436         .name = "vdpau_vc1",
 437         .log2_chroma_w = 1,
 438         .log2_chroma_h = 1,
 439         .flags = PIX_FMT_HWACCEL,
 440     },
 441     [PIX_FMT_RGB48BE] = {
 442         .name = "rgb48be",
 443         .nb_channels  = 3,
 444         .log2_chroma_w= 0,
 445         .log2_chroma_h= 0,
 446         .comp = {
 447             {0,5,1,0,15},       /* R */
 448             {0,5,3,0,15},       /* G */
 449             {0,5,5,0,15},       /* B */
 450         },
 451         .flags = PIX_FMT_BE,
 452     },
 453     [PIX_FMT_RGB48LE] = {
 454         .name = "rgb48le",
 455         .nb_channels  = 3,
 456         .log2_chroma_w= 0,
 457         .log2_chroma_h= 0,
 458         .comp = {
 459             {0,5,1,0,15},       /* R */
 460             {0,5,3,0,15},       /* G */
 461             {0,5,5,0,15},       /* B */
 462         },
 463     },
 464     [PIX_FMT_RGB565BE] = {
 465         .name = "rgb565be",
 466         .nb_channels  = 3,
 467         .log2_chroma_w= 0,
 468         .log2_chroma_h= 0,
 469         .comp = {
 470             {0,1,0,3,4},        /* R */
 471             {0,1,1,5,5},        /* G */
 472             {0,1,1,0,4},        /* B */
 473         },
 474         .flags = PIX_FMT_BE,
 475     },
 476     [PIX_FMT_RGB565LE] = {
 477         .name = "rgb565le",
 478         .nb_channels  = 3,
 479         .log2_chroma_w= 0,
 480         .log2_chroma_h= 0,
 481         .comp = {
 482             {0,1,2,3,4},        /* R */
 483             {0,1,1,5,5},        /* G */
 484             {0,1,1,0,4},        /* B */
 485         },
 486     },
 487     [PIX_FMT_RGB555BE] = {
 488         .name = "rgb555be",
 489         .nb_channels  = 3,
 490         .log2_chroma_w= 0,
 491         .log2_chroma_h= 0,
 492         .comp = {
 493             {0,1,0,2,4},        /* R */
 494             {0,1,1,5,4},        /* G */
 495             {0,1,1,0,4},        /* B */
 496         },
 497         .flags = PIX_FMT_BE,
 498     },
 499     [PIX_FMT_RGB555LE] = {
 500         .name = "rgb555le",
 501         .nb_channels  = 3,
 502         .log2_chroma_w= 0,
 503         .log2_chroma_h= 0,
 504         .comp = {
 505             {0,1,2,2,4},        /* R */
 506             {0,1,1,5,4},        /* G */
 507             {0,1,1,0,4},        /* B */
 508         },
 509     },
 510     [PIX_FMT_BGR565BE] = {
 511         .name = "bgr565be",
 512         .nb_channels  = 3,
 513         .log2_chroma_w= 0,
 514         .log2_chroma_h= 0,
 515         .comp = {
 516             {0,1,0,3,4},        /* B */
 517             {0,1,1,5,5},        /* G */
 518             {0,1,1,0,4},        /* R */
 519         },
 520         .flags = PIX_FMT_BE,
 521     },
 522     [PIX_FMT_BGR565LE] = {
 523         .name = "bgr565le",
 524         .nb_channels  = 3,
 525         .log2_chroma_w= 0,
 526         .log2_chroma_h= 0,
 527         .comp = {
 528             {0,1,2,3,4},        /* B */
 529             {0,1,1,5,5},        /* G */
 530             {0,1,1,0,4},        /* R */
 531         },
 532     },
 533     [PIX_FMT_BGR555BE] = {
 534         .name = "bgr555be",
 535         .nb_channels  = 3,
 536         .log2_chroma_w= 0,
 537         .log2_chroma_h= 0,
 538         .comp = {
 539             {0,1,0,2,4},       /* B */
 540             {0,1,1,5,4},       /* G */
 541             {0,1,1,0,4},       /* R */
 542         },
 543         .flags = PIX_FMT_BE,
 544      },
 545     [PIX_FMT_BGR555LE] = {
 546         .name = "bgr555le",
 547         .nb_channels  = 3,
 548         .log2_chroma_w= 0,
 549         .log2_chroma_h= 0,
 550         .comp = {
 551             {0,1,2,2,4},        /* B */
 552             {0,1,1,5,4},        /* G */
 553             {0,1,1,0,4},        /* R */
 554         },
 555     },
 556     [PIX_FMT_VAAPI_MOCO] = {
 557         .name = "vaapi_moco",
 558         .log2_chroma_w = 1,
 559         .log2_chroma_h = 1,
 560         .flags = PIX_FMT_HWACCEL,
 561     },
 562     [PIX_FMT_VAAPI_IDCT] = {
 563         .name = "vaapi_idct",
 564         .log2_chroma_w = 1,
 565         .log2_chroma_h = 1,
 566         .flags = PIX_FMT_HWACCEL,
 567     },
 568     [PIX_FMT_VAAPI_VLD] = {
 569         .name = "vaapi_vld",
 570         .log2_chroma_w = 1,
 571         .log2_chroma_h = 1,
 572         .flags = PIX_FMT_HWACCEL,
 573     },
 574     [PIX_FMT_YUV420P16LE] = {
 575         .name = "yuv420p16le",
 576         .nb_channels  = 3,
 577         .log2_chroma_w= 1,
 578         .log2_chroma_h= 1,
 579         .comp = {
 580             {0,1,1,0,15},        /* Y */
 581             {1,1,1,0,15},        /* U */
 582             {2,1,1,0,15},        /* V */
 583         },
 584     },
 585     [PIX_FMT_YUV420P16BE] = {
 586         .name = "yuv420p16be",
 587         .nb_channels  = 3,
 588         .log2_chroma_w= 1,
 589         .log2_chroma_h= 1,
 590         .comp = {
 591             {0,1,1,0,15},        /* Y */
 592             {1,1,1,0,15},        /* U */
 593             {2,1,1,0,15},        /* V */
 594         },
 595         .flags = PIX_FMT_BE,
 596     },
 597     [PIX_FMT_YUV422P16LE] = {
 598         .name = "yuv422p16le",
 599         .nb_channels  = 3,
 600         .log2_chroma_w= 1,
 601         .log2_chroma_h= 0,
 602         .comp = {
 603             {0,1,1,0,15},        /* Y */
 604             {1,1,1,0,15},        /* U */
 605             {2,1,1,0,15},        /* V */
 606         },
 607     },
 608     [PIX_FMT_YUV422P16BE] = {
 609         .name = "yuv422p16be",
 610         .nb_channels  = 3,
 611         .log2_chroma_w= 1,
 612         .log2_chroma_h= 0,
 613         .comp = {
 614             {0,1,1,0,15},        /* Y */
 615             {1,1,1,0,15},        /* U */
 616             {2,1,1,0,15},        /* V */
 617         },
 618         .flags = PIX_FMT_BE,
 619     },
 620     [PIX_FMT_YUV444P16LE] = {
 621         .name = "yuv444p16le",
 622         .nb_channels  = 3,
 623         .log2_chroma_w= 0,
 624         .log2_chroma_h= 0,
 625         .comp = {
 626             {0,1,1,0,15},        /* Y */
 627             {1,1,1,0,15},        /* U */
 628             {2,1,1,0,15},        /* V */
 629         },
 630     },
 631     [PIX_FMT_YUV444P16BE] = {
 632         .name = "yuv444p16be",
 633         .nb_channels  = 3,
 634         .log2_chroma_w= 0,
 635         .log2_chroma_h= 0,
 636         .comp = {
 637             {0,1,1,0,15},        /* Y */
 638             {1,1,1,0,15},        /* U */
 639             {2,1,1,0,15},        /* V */
 640         },
 641         .flags = PIX_FMT_BE,
 642     },
 643 };
 644
 645 int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
 646 {
 647     int c, bits = 0;
 648     int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
 649
 650     for (c = 0; c < pixdesc->nb_channels; c++) {
 651         int s = c==1 || c==2 ? 0 : log2_pixels;
 652         bits += (pixdesc->comp[c].depth_minus1+1) << s;
 653     }
 654
 655     return bits >> log2_pixels;
 656 }