FFmpeg: libavutil/pixdesc.c Source File

00001 /*
00002  * pixel format descriptor
00003  * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
00004  *
00005  * This file is part of FFmpeg.
00006  *
00007  * FFmpeg is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or (at your option) any later version.
00011  *
00012  * FFmpeg is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with FFmpeg; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00020  */
00021 
00022 #include <stdio.h>
00023 #include <string.h>
00024 #include "pixfmt.h"
00025 #include "pixdesc.h"
00026 
00027 #include "intreadwrite.h"
00028 
00029 void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
00030                         const AVPixFmtDescriptor *desc, int x, int y, int c, int w,
00031                         int read_pal_component)
00032 {
00033     AVComponentDescriptor comp = desc->comp[c];
00034     int plane = comp.plane;
00035     int depth = comp.depth_minus1 + 1;
00036     int mask  = (1 << depth) - 1;
00037     int shift = comp.shift;
00038     int step  = comp.step_minus1 + 1;
00039     int flags = desc->flags;
00040 
00041     if (flags & PIX_FMT_BITSTREAM) {
00042         int skip = x * step + comp.offset_plus1 - 1;
00043         const uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
00044         int shift = 8 - depth - (skip & 7);
00045 
00046         while (w--) {
00047             int val = (*p >> shift) & mask;
00048             if (read_pal_component)
00049                 val = data[1][4*val + c];
00050             shift -= step;
00051             p -= shift >> 3;
00052             shift &= 7;
00053             *dst++ = val;
00054         }
00055     } else {
00056         const uint8_t *p = data[plane] + y * linesize[plane] + x * step + comp.offset_plus1 - 1;
00057         int is_8bit = shift + depth <= 8;
00058 
00059         if (is_8bit)
00060             p += !!(flags & PIX_FMT_BE);
00061 
00062         while (w--) {
00063             int val = is_8bit ? *p :
00064                 flags & PIX_FMT_BE ? AV_RB16(p) : AV_RL16(p);
00065             val = (val >> shift) & mask;
00066             if (read_pal_component)
00067                 val = data[1][4 * val + c];
00068             p += step;
00069             *dst++ = val;
00070         }
00071     }
00072 }
00073 
00074 void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],
00075                          const AVPixFmtDescriptor *desc, int x, int y, int c, int w)
00076 {
00077     AVComponentDescriptor comp = desc->comp[c];
00078     int plane = comp.plane;
00079     int depth = comp.depth_minus1 + 1;
00080     int step  = comp.step_minus1 + 1;
00081     int flags = desc->flags;
00082 
00083     if (flags & PIX_FMT_BITSTREAM) {
00084         int skip = x * step + comp.offset_plus1 - 1;
00085         uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
00086         int shift = 8 - depth - (skip & 7);
00087 
00088         while (w--) {
00089             *p |= *src++ << shift;
00090             shift -= step;
00091             p -= shift >> 3;
00092             shift &= 7;
00093         }
00094     } else {
00095         int shift = comp.shift;
00096         uint8_t *p = data[plane] + y * linesize[plane] + x * step + comp.offset_plus1 - 1;
00097 
00098         if (shift + depth <= 8) {
00099             p += !!(flags & PIX_FMT_BE);
00100             while (w--) {
00101                 *p |= (*src++ << shift);
00102                 p += step;
00103             }
00104         } else {
00105             while (w--) {
00106                 if (flags & PIX_FMT_BE) {
00107                     uint16_t val = AV_RB16(p) | (*src++ << shift);
00108                     AV_WB16(p, val);
00109                 } else {
00110                     uint16_t val = AV_RL16(p) | (*src++ << shift);
00111                     AV_WL16(p, val);
00112                 }
00113                 p += step;
00114             }
00115         }
00116     }
00117 }
00118 
00119 const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
00120     [PIX_FMT_YUV420P] = {
00121         .name = "yuv420p",
00122         .nb_components = 3,
00123         .log2_chroma_w = 1,
00124         .log2_chroma_h = 1,
00125         .comp = {
00126             { 0, 0, 1, 0, 7 },        /* Y */
00127             { 1, 0, 1, 0, 7 },        /* U */
00128             { 2, 0, 1, 0, 7 },        /* V */
00129         },
00130         .flags = PIX_FMT_PLANAR,
00131     },
00132     [PIX_FMT_YUYV422] = {
00133         .name = "yuyv422",
00134         .nb_components = 3,
00135         .log2_chroma_w = 1,
00136         .log2_chroma_h = 0,
00137         .comp = {
00138             { 0, 1, 1, 0, 7 },        /* Y */
00139             { 0, 3, 2, 0, 7 },        /* U */
00140             { 0, 3, 4, 0, 7 },        /* V */
00141         },
00142     },
00143     [PIX_FMT_RGB24] = {
00144         .name = "rgb24",
00145         .nb_components = 3,
00146         .log2_chroma_w = 0,
00147         .log2_chroma_h = 0,
00148         .comp = {
00149             { 0, 2, 1, 0, 7 },        /* R */
00150             { 0, 2, 2, 0, 7 },        /* G */
00151             { 0, 2, 3, 0, 7 },        /* B */
00152         },
00153         .flags = PIX_FMT_RGB,
00154     },
00155     [PIX_FMT_BGR24] = {
00156         .name = "bgr24",
00157         .nb_components = 3,
00158         .log2_chroma_w = 0,
00159         .log2_chroma_h = 0,
00160         .comp = {
00161             { 0, 2, 1, 0, 7 },        /* B */
00162             { 0, 2, 2, 0, 7 },        /* G */
00163             { 0, 2, 3, 0, 7 },        /* R */
00164         },
00165         .flags = PIX_FMT_RGB,
00166     },
00167     [PIX_FMT_YUV422P] = {
00168         .name = "yuv422p",
00169         .nb_components = 3,
00170         .log2_chroma_w = 1,
00171         .log2_chroma_h = 0,
00172         .comp = {
00173             { 0, 0, 1, 0, 7 },        /* Y */
00174             { 1, 0, 1, 0, 7 },        /* U */
00175             { 2, 0, 1, 0, 7 },        /* V */
00176         },
00177         .flags = PIX_FMT_PLANAR,
00178     },
00179     [PIX_FMT_YUV444P] = {
00180         .name = "yuv444p",
00181         .nb_components = 3,
00182         .log2_chroma_w = 0,
00183         .log2_chroma_h = 0,
00184         .comp = {
00185             { 0, 0, 1, 0, 7 },        /* Y */
00186             { 1, 0, 1, 0, 7 },        /* U */
00187             { 2, 0, 1, 0, 7 },        /* V */
00188         },
00189         .flags = PIX_FMT_PLANAR,
00190     },
00191     [PIX_FMT_YUV410P] = {
00192         .name = "yuv410p",
00193         .nb_components = 3,
00194         .log2_chroma_w = 2,
00195         .log2_chroma_h = 2,
00196         .comp = {
00197             { 0, 0, 1, 0, 7 },        /* Y */
00198             { 1, 0, 1, 0, 7 },        /* U */
00199             { 2, 0, 1, 0, 7 },        /* V */
00200         },
00201         .flags = PIX_FMT_PLANAR,
00202     },
00203     [PIX_FMT_YUV411P] = {
00204         .name = "yuv411p",
00205         .nb_components = 3,
00206         .log2_chroma_w = 2,
00207         .log2_chroma_h = 0,
00208         .comp = {
00209             { 0, 0, 1, 0, 7 },        /* Y */
00210             { 1, 0, 1, 0, 7 },        /* U */
00211             { 2, 0, 1, 0, 7 },        /* V */
00212         },
00213         .flags = PIX_FMT_PLANAR,
00214     },
00215     [PIX_FMT_GRAY8] = {
00216         .name = "gray",
00217         .nb_components = 1,
00218         .log2_chroma_w = 0,
00219         .log2_chroma_h = 0,
00220         .comp = {
00221             { 0, 0, 1, 0, 7 },        /* Y */
00222         },
00223     },
00224     [PIX_FMT_MONOWHITE] = {
00225         .name = "monow",
00226         .nb_components = 1,
00227         .log2_chroma_w = 0,
00228         .log2_chroma_h = 0,
00229         .comp = {
00230             { 0, 0, 1, 0, 0 },        /* Y */
00231         },
00232         .flags = PIX_FMT_BITSTREAM,
00233     },
00234     [PIX_FMT_MONOBLACK] = {
00235         .name = "monob",
00236         .nb_components = 1,
00237         .log2_chroma_w = 0,
00238         .log2_chroma_h = 0,
00239         .comp = {
00240             { 0, 0, 1, 7, 0 },        /* Y */
00241         },
00242         .flags = PIX_FMT_BITSTREAM,
00243     },
00244     [PIX_FMT_PAL8] = {
00245         .name = "pal8",
00246         .nb_components = 1,
00247         .log2_chroma_w = 0,
00248         .log2_chroma_h = 0,
00249         .comp = {
00250             { 0, 0, 1, 0, 7 },
00251         },
00252         .flags = PIX_FMT_PAL,
00253     },
00254     [PIX_FMT_YUVJ420P] = {
00255         .name = "yuvj420p",
00256         .nb_components = 3,
00257         .log2_chroma_w = 1,
00258         .log2_chroma_h = 1,
00259         .comp = {
00260             { 0, 0, 1, 0, 7 },        /* Y */
00261             { 1, 0, 1, 0, 7 },        /* U */
00262             { 2, 0, 1, 0, 7 },        /* V */
00263         },
00264         .flags = PIX_FMT_PLANAR,
00265     },
00266     [PIX_FMT_YUVJ422P] = {
00267         .name = "yuvj422p",
00268         .nb_components = 3,
00269         .log2_chroma_w = 1,
00270         .log2_chroma_h = 0,
00271         .comp = {
00272             { 0, 0, 1, 0, 7 },        /* Y */
00273             { 1, 0, 1, 0, 7 },        /* U */
00274             { 2, 0, 1, 0, 7 },        /* V */
00275         },
00276         .flags = PIX_FMT_PLANAR,
00277     },
00278     [PIX_FMT_YUVJ444P] = {
00279         .name = "yuvj444p",
00280         .nb_components = 3,
00281         .log2_chroma_w = 0,
00282         .log2_chroma_h = 0,
00283         .comp = {
00284             { 0, 0, 1, 0, 7 },        /* Y */
00285             { 1, 0, 1, 0, 7 },        /* U */
00286             { 2, 0, 1, 0, 7 },        /* V */
00287         },
00288         .flags = PIX_FMT_PLANAR,
00289     },
00290     [PIX_FMT_XVMC_MPEG2_MC] = {
00291         .name = "xvmcmc",
00292         .flags = PIX_FMT_HWACCEL,
00293     },
00294     [PIX_FMT_XVMC_MPEG2_IDCT] = {
00295         .name = "xvmcidct",
00296         .flags = PIX_FMT_HWACCEL,
00297     },
00298     [PIX_FMT_UYVY422] = {
00299         .name = "uyvy422",
00300         .nb_components = 3,
00301         .log2_chroma_w = 1,
00302         .log2_chroma_h = 0,
00303         .comp = {
00304             { 0, 1, 2, 0, 7 },        /* Y */
00305             { 0, 3, 1, 0, 7 },        /* U */
00306             { 0, 3, 3, 0, 7 },        /* V */
00307         },
00308     },
00309     [PIX_FMT_UYYVYY411] = {
00310         .name = "uyyvyy411",
00311         .nb_components = 3,
00312         .log2_chroma_w = 2,
00313         .log2_chroma_h = 0,
00314         .comp = {
00315             { 0, 3, 2, 0, 7 },        /* Y */
00316             { 0, 5, 1, 0, 7 },        /* U */
00317             { 0, 5, 4, 0, 7 },        /* V */
00318         },
00319     },
00320     [PIX_FMT_BGR8] = {
00321         .name = "bgr8",
00322         .nb_components = 3,
00323         .log2_chroma_w = 0,
00324         .log2_chroma_h = 0,
00325         .comp = {
00326             { 0, 0, 1, 6, 1 },        /* B */
00327             { 0, 0, 1, 3, 2 },        /* G */
00328             { 0, 0, 1, 0, 2 },        /* R */
00329         },
00330         .flags = PIX_FMT_PAL | PIX_FMT_RGB,
00331     },
00332     [PIX_FMT_BGR4] = {
00333         .name = "bgr4",
00334         .nb_components = 3,
00335         .log2_chroma_w = 0,
00336         .log2_chroma_h = 0,
00337         .comp = {
00338             { 0, 3, 1, 0, 0 },        /* B */
00339             { 0, 3, 2, 0, 1 },        /* G */
00340             { 0, 3, 4, 0, 0 },        /* R */
00341         },
00342         .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
00343     },
00344     [PIX_FMT_BGR4_BYTE] = {
00345         .name = "bgr4_byte",
00346         .nb_components = 3,
00347         .log2_chroma_w = 0,
00348         .log2_chroma_h = 0,
00349         .comp = {
00350             { 0, 0, 1, 3, 0 },        /* B */
00351             { 0, 0, 1, 1, 1 },        /* G */
00352             { 0, 0, 1, 0, 0 },        /* R */
00353         },
00354         .flags = PIX_FMT_PAL | PIX_FMT_RGB,
00355     },
00356     [PIX_FMT_RGB8] = {
00357         .name = "rgb8",
00358         .nb_components = 3,
00359         .log2_chroma_w = 0,
00360         .log2_chroma_h = 0,
00361         .comp = {
00362             { 0, 0, 1, 6, 1 },        /* R */
00363             { 0, 0, 1, 3, 2 },        /* G */
00364             { 0, 0, 1, 0, 2 },        /* B */
00365         },
00366         .flags = PIX_FMT_PAL | PIX_FMT_RGB,
00367     },
00368     [PIX_FMT_RGB4] = {
00369         .name = "rgb4",
00370         .nb_components = 3,
00371         .log2_chroma_w = 0,
00372         .log2_chroma_h = 0,
00373         .comp = {
00374             { 0, 3, 1, 0, 0 },        /* R */
00375             { 0, 3, 2, 0, 1 },        /* G */
00376             { 0, 3, 4, 0, 0 },        /* B */
00377         },
00378         .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
00379     },
00380     [PIX_FMT_RGB4_BYTE] = {
00381         .name = "rgb4_byte",
00382         .nb_components = 3,
00383         .log2_chroma_w = 0,
00384         .log2_chroma_h = 0,
00385         .comp = {
00386             { 0, 0, 1, 3, 0 },        /* R */
00387             { 0, 0, 1, 1, 1 },        /* G */
00388             { 0, 0, 1, 0, 0 },        /* B */
00389         },
00390         .flags = PIX_FMT_PAL | PIX_FMT_RGB,
00391     },
00392     [PIX_FMT_NV12] = {
00393         .name = "nv12",
00394         .nb_components = 3,
00395         .log2_chroma_w = 1,
00396         .log2_chroma_h = 1,
00397         .comp = {
00398             { 0, 0, 1, 0, 7 },        /* Y */
00399             { 1, 1, 1, 0, 7 },        /* U */
00400             { 1, 1, 2, 0, 7 },        /* V */
00401         },
00402         .flags = PIX_FMT_PLANAR,
00403     },
00404     [PIX_FMT_NV21] = {
00405         .name = "nv21",
00406         .nb_components = 3,
00407         .log2_chroma_w = 1,
00408         .log2_chroma_h = 1,
00409         .comp = {
00410             { 0, 0, 1, 0, 7 },        /* Y */
00411             { 1, 1, 1, 0, 7 },        /* V */
00412             { 1, 1, 2, 0, 7 },        /* U */
00413         },
00414         .flags = PIX_FMT_PLANAR,
00415     },
00416     [PIX_FMT_ARGB] = {
00417         .name = "argb",
00418         .nb_components = 4,
00419         .log2_chroma_w = 0,
00420         .log2_chroma_h = 0,
00421         .comp = {
00422             { 0, 3, 1, 0, 7 },        /* A */
00423             { 0, 3, 2, 0, 7 },        /* R */
00424             { 0, 3, 3, 0, 7 },        /* G */
00425             { 0, 3, 4, 0, 7 },        /* B */
00426         },
00427         .flags = PIX_FMT_RGB,
00428     },
00429     [PIX_FMT_RGBA] = {
00430         .name = "rgba",
00431         .nb_components = 4,
00432         .log2_chroma_w = 0,
00433         .log2_chroma_h = 0,
00434         .comp = {
00435             { 0, 3, 1, 0, 7 },        /* R */
00436             { 0, 3, 2, 0, 7 },        /* G */
00437             { 0, 3, 3, 0, 7 },        /* B */
00438             { 0, 3, 4, 0, 7 },        /* A */
00439         },
00440         .flags = PIX_FMT_RGB,
00441     },
00442     [PIX_FMT_ABGR] = {
00443         .name = "abgr",
00444         .nb_components = 4,
00445         .log2_chroma_w = 0,
00446         .log2_chroma_h = 0,
00447         .comp = {
00448             { 0, 3, 1, 0, 7 },        /* A */
00449             { 0, 3, 2, 0, 7 },        /* B */
00450             { 0, 3, 3, 0, 7 },        /* G */
00451             { 0, 3, 4, 0, 7 },        /* R */
00452         },
00453         .flags = PIX_FMT_RGB,
00454     },
00455     [PIX_FMT_BGRA] = {
00456         .name = "bgra",
00457         .nb_components = 4,
00458         .log2_chroma_w = 0,
00459         .log2_chroma_h = 0,
00460         .comp = {
00461             { 0, 3, 1, 0, 7 },        /* B */
00462             { 0, 3, 2, 0, 7 },        /* G */
00463             { 0, 3, 3, 0, 7 },        /* R */
00464             { 0, 3, 4, 0, 7 },        /* A */
00465         },
00466         .flags = PIX_FMT_RGB,
00467     },
00468     [PIX_FMT_0RGB] = {
00469         .name = "0rgb",
00470         .nb_components= 3,
00471         .log2_chroma_w= 0,
00472         .log2_chroma_h= 0,
00473         .comp = {
00474             { 0, 3, 2, 0, 7 },        /* R */
00475             { 0, 3, 3, 0, 7 },        /* G */
00476             { 0, 3, 4, 0, 7 },        /* B */
00477         },
00478         .flags = PIX_FMT_RGB,
00479     },
00480     [PIX_FMT_RGB0] = {
00481         .name = "rgb0",
00482         .nb_components= 3,
00483         .log2_chroma_w= 0,
00484         .log2_chroma_h= 0,
00485         .comp = {
00486             { 0, 3, 1, 0, 7 },        /* R */
00487             { 0, 3, 2, 0, 7 },        /* G */
00488             { 0, 3, 3, 0, 7 },        /* B */
00489             { 0, 3, 4, 0, 7 },        /* A */
00490         },
00491         .flags = PIX_FMT_RGB,
00492     },
00493     [PIX_FMT_0BGR] = {
00494         .name = "0bgr",
00495         .nb_components= 3,
00496         .log2_chroma_w= 0,
00497         .log2_chroma_h= 0,
00498         .comp = {
00499             { 0, 3, 2, 0, 7 },        /* B */
00500             { 0, 3, 3, 0, 7 },        /* G */
00501             { 0, 3, 4, 0, 7 },        /* R */
00502         },
00503         .flags = PIX_FMT_RGB,
00504     },
00505     [PIX_FMT_BGR0] = {
00506         .name = "bgr0",
00507         .nb_components= 3,
00508         .log2_chroma_w= 0,
00509         .log2_chroma_h= 0,
00510         .comp = {
00511             { 0, 3, 1, 0, 7 },        /* B */
00512             { 0, 3, 2, 0, 7 },        /* G */
00513             { 0, 3, 3, 0, 7 },        /* R */
00514             { 0, 3, 4, 0, 7 },        /* A */
00515         },
00516         .flags = PIX_FMT_RGB,
00517     },
00518     [PIX_FMT_GRAY16BE] = {
00519         .name = "gray16be",
00520         .nb_components = 1,
00521         .log2_chroma_w = 0,
00522         .log2_chroma_h = 0,
00523         .comp = {
00524             { 0, 1, 1, 0, 15 },       /* Y */
00525         },
00526         .flags = PIX_FMT_BE,
00527     },
00528     [PIX_FMT_GRAY16LE] = {
00529         .name = "gray16le",
00530         .nb_components = 1,
00531         .log2_chroma_w = 0,
00532         .log2_chroma_h = 0,
00533         .comp = {
00534             { 0, 1, 1, 0, 15 },       /* Y */
00535         },
00536     },
00537     [PIX_FMT_YUV440P] = {
00538         .name = "yuv440p",
00539         .nb_components = 3,
00540         .log2_chroma_w = 0,
00541         .log2_chroma_h = 1,
00542         .comp = {
00543             { 0, 0, 1, 0, 7 },        /* Y */
00544             { 1, 0, 1, 0, 7 },        /* U */
00545             { 2, 0, 1, 0, 7 },        /* V */
00546         },
00547         .flags = PIX_FMT_PLANAR,
00548     },
00549     [PIX_FMT_YUVJ440P] = {
00550         .name = "yuvj440p",
00551         .nb_components = 3,
00552         .log2_chroma_w = 0,
00553         .log2_chroma_h = 1,
00554         .comp = {
00555             { 0, 0, 1, 0, 7 },        /* Y */
00556             { 1, 0, 1, 0, 7 },        /* U */
00557             { 2, 0, 1, 0, 7 },        /* V */
00558         },
00559         .flags = PIX_FMT_PLANAR,
00560     },
00561     [PIX_FMT_YUVA420P] = {
00562         .name = "yuva420p",
00563         .nb_components = 4,
00564         .log2_chroma_w = 1,
00565         .log2_chroma_h = 1,
00566         .comp = {
00567             { 0, 0, 1, 0, 7 },        /* Y */
00568             { 1, 0, 1, 0, 7 },        /* U */
00569             { 2, 0, 1, 0, 7 },        /* V */
00570             { 3, 0, 1, 0, 7 },        /* A */
00571         },
00572         .flags = PIX_FMT_PLANAR,
00573     },
00574     [PIX_FMT_VDPAU_H264] = {
00575         .name = "vdpau_h264",
00576         .log2_chroma_w = 1,
00577         .log2_chroma_h = 1,
00578         .flags = PIX_FMT_HWACCEL,
00579     },
00580     [PIX_FMT_VDPAU_MPEG1] = {
00581         .name = "vdpau_mpeg1",
00582         .log2_chroma_w = 1,
00583         .log2_chroma_h = 1,
00584         .flags = PIX_FMT_HWACCEL,
00585     },
00586     [PIX_FMT_VDPAU_MPEG2] = {
00587         .name = "vdpau_mpeg2",
00588         .log2_chroma_w = 1,
00589         .log2_chroma_h = 1,
00590         .flags = PIX_FMT_HWACCEL,
00591     },
00592     [PIX_FMT_VDPAU_WMV3] = {
00593         .name = "vdpau_wmv3",
00594         .log2_chroma_w = 1,
00595         .log2_chroma_h = 1,
00596         .flags = PIX_FMT_HWACCEL,
00597     },
00598     [PIX_FMT_VDPAU_VC1] = {
00599         .name = "vdpau_vc1",
00600         .log2_chroma_w = 1,
00601         .log2_chroma_h = 1,
00602         .flags = PIX_FMT_HWACCEL,
00603     },
00604     [PIX_FMT_VDPAU_MPEG4] = {
00605         .name = "vdpau_mpeg4",
00606         .log2_chroma_w = 1,
00607         .log2_chroma_h = 1,
00608         .flags = PIX_FMT_HWACCEL,
00609     },
00610     [PIX_FMT_RGB48BE] = {
00611         .name = "rgb48be",
00612         .nb_components = 3,
00613         .log2_chroma_w = 0,
00614         .log2_chroma_h = 0,
00615         .comp = {
00616             { 0, 5, 1, 0, 15 },       /* R */
00617             { 0, 5, 3, 0, 15 },       /* G */
00618             { 0, 5, 5, 0, 15 },       /* B */
00619         },
00620         .flags = PIX_FMT_RGB | PIX_FMT_BE,
00621     },
00622     [PIX_FMT_RGB48LE] = {
00623         .name = "rgb48le",
00624         .nb_components = 3,
00625         .log2_chroma_w = 0,
00626         .log2_chroma_h = 0,
00627         .comp = {
00628             { 0, 5, 1, 0, 15 },       /* R */
00629             { 0, 5, 3, 0, 15 },       /* G */
00630             { 0, 5, 5, 0, 15 },       /* B */
00631         },
00632         .flags = PIX_FMT_RGB,
00633     },
00634     [PIX_FMT_RGBA64BE] = {
00635         .name = "rgba64be",
00636         .nb_components= 4,
00637         .log2_chroma_w= 0,
00638         .log2_chroma_h= 0,
00639         .comp = {
00640             { 0, 7, 1, 0, 15 },       /* R */
00641             { 0, 7, 3, 0, 15 },       /* G */
00642             { 0, 7, 5, 0, 15 },       /* B */
00643             { 0, 7, 7, 0, 15 },       /* A */
00644         },
00645         .flags = PIX_FMT_RGB | PIX_FMT_BE,
00646     },
00647     [PIX_FMT_RGBA64LE] = {
00648         .name = "rgba64le",
00649         .nb_components= 4,
00650         .log2_chroma_w= 0,
00651         .log2_chroma_h= 0,
00652         .comp = {
00653             { 0, 7, 1, 0, 15 },       /* R */
00654             { 0, 7, 3, 0, 15 },       /* G */
00655             { 0, 7, 5, 0, 15 },       /* B */
00656             { 0, 7, 7, 0, 15 },       /* B */
00657         },
00658         .flags = PIX_FMT_RGB,
00659     },
00660     [PIX_FMT_RGB565BE] = {
00661         .name = "rgb565be",
00662         .nb_components = 3,
00663         .log2_chroma_w = 0,
00664         .log2_chroma_h = 0,
00665         .comp = {
00666             { 0, 1, 0, 3, 4 },        /* R */
00667             { 0, 1, 1, 5, 5 },        /* G */
00668             { 0, 1, 1, 0, 4 },        /* B */
00669         },
00670         .flags = PIX_FMT_BE | PIX_FMT_RGB,
00671     },
00672     [PIX_FMT_RGB565LE] = {
00673         .name = "rgb565le",
00674         .nb_components = 3,
00675         .log2_chroma_w = 0,
00676         .log2_chroma_h = 0,
00677         .comp = {
00678             { 0, 1, 2, 3, 4 },        /* R */
00679             { 0, 1, 1, 5, 5 },        /* G */
00680             { 0, 1, 1, 0, 4 },        /* B */
00681         },
00682         .flags = PIX_FMT_RGB,
00683     },
00684     [PIX_FMT_RGB555BE] = {
00685         .name = "rgb555be",
00686         .nb_components = 3,
00687         .log2_chroma_w = 0,
00688         .log2_chroma_h = 0,
00689         .comp = {
00690             { 0, 1, 0, 2, 4 },        /* R */
00691             { 0, 1, 1, 5, 4 },        /* G */
00692             { 0, 1, 1, 0, 4 },        /* B */
00693         },
00694         .flags = PIX_FMT_BE | PIX_FMT_RGB,
00695     },
00696     [PIX_FMT_RGB555LE] = {
00697         .name = "rgb555le",
00698         .nb_components = 3,
00699         .log2_chroma_w = 0,
00700         .log2_chroma_h = 0,
00701         .comp = {
00702             { 0, 1, 2, 2, 4 },        /* R */
00703             { 0, 1, 1, 5, 4 },        /* G */
00704             { 0, 1, 1, 0, 4 },        /* B */
00705         },
00706         .flags = PIX_FMT_RGB,
00707     },
00708     [PIX_FMT_RGB444BE] = {
00709         .name = "rgb444be",
00710         .nb_components = 3,
00711         .log2_chroma_w = 0,
00712         .log2_chroma_h = 0,
00713         .comp = {
00714             { 0, 1, 0, 0, 3 },        /* R */
00715             { 0, 1, 1, 4, 3 },        /* G */
00716             { 0, 1, 1, 0, 3 },        /* B */
00717         },
00718         .flags = PIX_FMT_BE | PIX_FMT_RGB,
00719     },
00720     [PIX_FMT_RGB444LE] = {
00721         .name = "rgb444le",
00722         .nb_components = 3,
00723         .log2_chroma_w = 0,
00724         .log2_chroma_h = 0,
00725         .comp = {
00726             { 0, 1, 2, 0, 3 },        /* R */
00727             { 0, 1, 1, 4, 3 },        /* G */
00728             { 0, 1, 1, 0, 3 },        /* B */
00729         },
00730         .flags = PIX_FMT_RGB,
00731     },
00732     [PIX_FMT_BGR48BE] = {
00733         .name = "bgr48be",
00734         .nb_components = 3,
00735         .log2_chroma_w = 0,
00736         .log2_chroma_h = 0,
00737         .comp = {
00738             { 0, 5, 1, 0, 15 },       /* B */
00739             { 0, 5, 3, 0, 15 },       /* G */
00740             { 0, 5, 5, 0, 15 },       /* R */
00741         },
00742         .flags = PIX_FMT_BE | PIX_FMT_RGB,
00743     },
00744     [PIX_FMT_BGR48LE] = {
00745         .name = "bgr48le",
00746         .nb_components = 3,
00747         .log2_chroma_w = 0,
00748         .log2_chroma_h = 0,
00749         .comp = {
00750             { 0, 5, 1, 0, 15 },       /* B */
00751             { 0, 5, 3, 0, 15 },       /* G */
00752             { 0, 5, 5, 0, 15 },       /* R */
00753         },
00754         .flags = PIX_FMT_RGB,
00755     },
00756     [PIX_FMT_BGRA64BE] = {
00757         .name = "bgra64be",
00758         .nb_components= 4,
00759         .log2_chroma_w= 0,
00760         .log2_chroma_h= 0,
00761         .comp = {
00762             { 0, 7, 1, 0, 15 },       /* B */
00763             { 0, 7, 3, 0, 15 },       /* G */
00764             { 0, 7, 5, 0, 15 },       /* R */
00765             { 0, 7, 7, 0, 15 },       /* A */
00766         },
00767         .flags = PIX_FMT_BE,
00768     },
00769     [PIX_FMT_BGRA64LE] = {
00770         .name = "bgra64le",
00771         .nb_components= 4,
00772         .log2_chroma_w= 0,
00773         .log2_chroma_h= 0,
00774         .comp = {
00775             { 0, 7, 1, 0, 15 },       /* B */
00776             { 0, 7, 3, 0, 15 },       /* G */
00777             { 0, 7, 5, 0, 15 },       /* R */
00778             { 0, 7, 7, 0, 15 },       /* A */
00779         },
00780     },
00781     [PIX_FMT_BGR565BE] = {
00782         .name = "bgr565be",
00783         .nb_components = 3,
00784         .log2_chroma_w = 0,
00785         .log2_chroma_h = 0,
00786         .comp = {
00787             { 0, 1, 0, 3, 4 },        /* B */
00788             { 0, 1, 1, 5, 5 },        /* G */
00789             { 0, 1, 1, 0, 4 },        /* R */
00790         },
00791         .flags = PIX_FMT_BE | PIX_FMT_RGB,
00792     },
00793     [PIX_FMT_BGR565LE] = {
00794         .name = "bgr565le",
00795         .nb_components = 3,
00796         .log2_chroma_w = 0,
00797         .log2_chroma_h = 0,
00798         .comp = {
00799             { 0, 1, 2, 3, 4 },        /* B */
00800             { 0, 1, 1, 5, 5 },        /* G */
00801             { 0, 1, 1, 0, 4 },        /* R */
00802         },
00803         .flags = PIX_FMT_RGB,
00804     },
00805     [PIX_FMT_BGR555BE] = {
00806         .name = "bgr555be",
00807         .nb_components = 3,
00808         .log2_chroma_w = 0,
00809         .log2_chroma_h = 0,
00810         .comp = {
00811             { 0, 1, 0, 2, 4 },       /* B */
00812             { 0, 1, 1, 5, 4 },       /* G */
00813             { 0, 1, 1, 0, 4 },       /* R */
00814         },
00815         .flags = PIX_FMT_BE | PIX_FMT_RGB,
00816      },
00817     [PIX_FMT_BGR555LE] = {
00818         .name = "bgr555le",
00819         .nb_components = 3,
00820         .log2_chroma_w = 0,
00821         .log2_chroma_h = 0,
00822         .comp = {
00823             { 0, 1, 2, 2, 4 },        /* B */
00824             { 0, 1, 1, 5, 4 },        /* G */
00825             { 0, 1, 1, 0, 4 },        /* R */
00826         },
00827         .flags = PIX_FMT_RGB,
00828     },
00829     [PIX_FMT_BGR444BE] = {
00830         .name = "bgr444be",
00831         .nb_components = 3,
00832         .log2_chroma_w = 0,
00833         .log2_chroma_h = 0,
00834         .comp = {
00835             { 0, 1, 0, 0, 3 },       /* B */
00836             { 0, 1, 1, 4, 3 },       /* G */
00837             { 0, 1, 1, 0, 3 },       /* R */
00838         },
00839         .flags = PIX_FMT_BE | PIX_FMT_RGB,
00840      },
00841     [PIX_FMT_BGR444LE] = {
00842         .name = "bgr444le",
00843         .nb_components = 3,
00844         .log2_chroma_w = 0,
00845         .log2_chroma_h = 0,
00846         .comp = {
00847             { 0, 1, 2, 0, 3 },        /* B */
00848             { 0, 1, 1, 4, 3 },        /* G */
00849             { 0, 1, 1, 0, 3 },        /* R */
00850         },
00851         .flags = PIX_FMT_RGB,
00852     },
00853     [PIX_FMT_VAAPI_MOCO] = {
00854         .name = "vaapi_moco",
00855         .log2_chroma_w = 1,
00856         .log2_chroma_h = 1,
00857         .flags = PIX_FMT_HWACCEL,
00858     },
00859     [PIX_FMT_VAAPI_IDCT] = {
00860         .name = "vaapi_idct",
00861         .log2_chroma_w = 1,
00862         .log2_chroma_h = 1,
00863         .flags = PIX_FMT_HWACCEL,
00864     },
00865     [PIX_FMT_VAAPI_VLD] = {
00866         .name = "vaapi_vld",
00867         .log2_chroma_w = 1,
00868         .log2_chroma_h = 1,
00869         .flags = PIX_FMT_HWACCEL,
00870     },
00871     [PIX_FMT_VDA_VLD] = {
00872         .name = "vda_vld",
00873         .log2_chroma_w = 1,
00874         .log2_chroma_h = 1,
00875         .flags = PIX_FMT_HWACCEL,
00876     },
00877     [PIX_FMT_YUV420P9LE] = {
00878         .name = "yuv420p9le",
00879         .nb_components = 3,
00880         .log2_chroma_w = 1,
00881         .log2_chroma_h = 1,
00882         .comp = {
00883             { 0, 1, 1, 0, 8 },        /* Y */
00884             { 1, 1, 1, 0, 8 },        /* U */
00885             { 2, 1, 1, 0, 8 },        /* V */
00886         },
00887         .flags = PIX_FMT_PLANAR,
00888     },
00889     [PIX_FMT_YUV420P9BE] = {
00890         .name = "yuv420p9be",
00891         .nb_components = 3,
00892         .log2_chroma_w = 1,
00893         .log2_chroma_h = 1,
00894         .comp = {
00895             { 0, 1, 1, 0, 8 },        /* Y */
00896             { 1, 1, 1, 0, 8 },        /* U */
00897             { 2, 1, 1, 0, 8 },        /* V */
00898         },
00899         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
00900     },
00901     [PIX_FMT_YUV420P10LE] = {
00902         .name = "yuv420p10le",
00903         .nb_components = 3,
00904         .log2_chroma_w = 1,
00905         .log2_chroma_h = 1,
00906         .comp = {
00907             { 0, 1, 1, 0, 9 },        /* Y */
00908             { 1, 1, 1, 0, 9 },        /* U */
00909             { 2, 1, 1, 0, 9 },        /* V */
00910         },
00911         .flags = PIX_FMT_PLANAR,
00912     },
00913     [PIX_FMT_YUV420P10BE] = {
00914         .name = "yuv420p10be",
00915         .nb_components = 3,
00916         .log2_chroma_w = 1,
00917         .log2_chroma_h = 1,
00918         .comp = {
00919             { 0, 1, 1, 0, 9 },        /* Y */
00920             { 1, 1, 1, 0, 9 },        /* U */
00921             { 2, 1, 1, 0, 9 },        /* V */
00922         },
00923         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
00924     },
00925     [PIX_FMT_YUV420P16LE] = {
00926         .name = "yuv420p16le",
00927         .nb_components = 3,
00928         .log2_chroma_w = 1,
00929         .log2_chroma_h = 1,
00930         .comp = {
00931             { 0, 1, 1, 0, 15 },        /* Y */
00932             { 1, 1, 1, 0, 15 },        /* U */
00933             { 2, 1, 1, 0, 15 },        /* V */
00934         },
00935         .flags = PIX_FMT_PLANAR,
00936     },
00937     [PIX_FMT_YUV420P16BE] = {
00938         .name = "yuv420p16be",
00939         .nb_components = 3,
00940         .log2_chroma_w = 1,
00941         .log2_chroma_h = 1,
00942         .comp = {
00943             { 0, 1, 1, 0, 15 },        /* Y */
00944             { 1, 1, 1, 0, 15 },        /* U */
00945             { 2, 1, 1, 0, 15 },        /* V */
00946         },
00947         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
00948     },
00949     [PIX_FMT_YUV422P9LE] = {
00950         .name = "yuv422p9le",
00951         .nb_components = 3,
00952         .log2_chroma_w = 1,
00953         .log2_chroma_h = 0,
00954         .comp = {
00955             { 0, 1, 1, 0, 8 },        /* Y */
00956             { 1, 1, 1, 0, 8 },        /* U */
00957             { 2, 1, 1, 0, 8 },        /* V */
00958         },
00959         .flags = PIX_FMT_PLANAR,
00960     },
00961     [PIX_FMT_YUV422P9BE] = {
00962         .name = "yuv422p9be",
00963         .nb_components = 3,
00964         .log2_chroma_w = 1,
00965         .log2_chroma_h = 0,
00966         .comp = {
00967             { 0, 1, 1, 0, 8 },        /* Y */
00968             { 1, 1, 1, 0, 8 },        /* U */
00969             { 2, 1, 1, 0, 8 },        /* V */
00970         },
00971         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
00972     },
00973     [PIX_FMT_YUV422P10LE] = {
00974         .name = "yuv422p10le",
00975         .nb_components = 3,
00976         .log2_chroma_w = 1,
00977         .log2_chroma_h = 0,
00978         .comp = {
00979             { 0, 1, 1, 0, 9 },        /* Y */
00980             { 1, 1, 1, 0, 9 },        /* U */
00981             { 2, 1, 1, 0, 9 },        /* V */
00982         },
00983         .flags = PIX_FMT_PLANAR,
00984     },
00985     [PIX_FMT_YUV422P10BE] = {
00986         .name = "yuv422p10be",
00987         .nb_components = 3,
00988         .log2_chroma_w = 1,
00989         .log2_chroma_h = 0,
00990         .comp = {
00991             { 0, 1, 1, 0, 9 },        /* Y */
00992             { 1, 1, 1, 0, 9 },        /* U */
00993             { 2, 1, 1, 0, 9 },        /* V */
00994         },
00995         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
00996     },
00997     [PIX_FMT_YUV422P16LE] = {
00998         .name = "yuv422p16le",
00999         .nb_components = 3,
01000         .log2_chroma_w = 1,
01001         .log2_chroma_h = 0,
01002         .comp = {
01003             { 0, 1, 1, 0, 15 },        /* Y */
01004             { 1, 1, 1, 0, 15 },        /* U */
01005             { 2, 1, 1, 0, 15 },        /* V */
01006         },
01007         .flags = PIX_FMT_PLANAR,
01008     },
01009     [PIX_FMT_YUV422P16BE] = {
01010         .name = "yuv422p16be",
01011         .nb_components = 3,
01012         .log2_chroma_w = 1,
01013         .log2_chroma_h = 0,
01014         .comp = {
01015             { 0, 1, 1, 0, 15 },        /* Y */
01016             { 1, 1, 1, 0, 15 },        /* U */
01017             { 2, 1, 1, 0, 15 },        /* V */
01018         },
01019         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01020     },
01021     [PIX_FMT_YUV444P16LE] = {
01022         .name = "yuv444p16le",
01023         .nb_components = 3,
01024         .log2_chroma_w = 0,
01025         .log2_chroma_h = 0,
01026         .comp = {
01027             { 0, 1, 1, 0, 15 },        /* Y */
01028             { 1, 1, 1, 0, 15 },        /* U */
01029             { 2, 1, 1, 0, 15 },        /* V */
01030         },
01031         .flags = PIX_FMT_PLANAR,
01032     },
01033     [PIX_FMT_YUV444P16BE] = {
01034         .name = "yuv444p16be",
01035         .nb_components = 3,
01036         .log2_chroma_w = 0,
01037         .log2_chroma_h = 0,
01038         .comp = {
01039             { 0, 1, 1, 0, 15 },        /* Y */
01040             { 1, 1, 1, 0, 15 },        /* U */
01041             { 2, 1, 1, 0, 15 },        /* V */
01042         },
01043         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01044     },
01045     [PIX_FMT_YUV444P10LE] = {
01046         .name = "yuv444p10le",
01047         .nb_components = 3,
01048         .log2_chroma_w = 0,
01049         .log2_chroma_h = 0,
01050         .comp = {
01051             { 0, 1, 1, 0, 9 },        /* Y */
01052             { 1, 1, 1, 0, 9 },        /* U */
01053             { 2, 1, 1, 0, 9 },        /* V */
01054         },
01055         .flags = PIX_FMT_PLANAR,
01056     },
01057     [PIX_FMT_YUV444P10BE] = {
01058         .name = "yuv444p10be",
01059         .nb_components = 3,
01060         .log2_chroma_w = 0,
01061         .log2_chroma_h = 0,
01062         .comp = {
01063             { 0, 1, 1, 0, 9 },        /* Y */
01064             { 1, 1, 1, 0, 9 },        /* U */
01065             { 2, 1, 1, 0, 9 },        /* V */
01066         },
01067         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01068     },
01069     [PIX_FMT_YUV444P9LE] = {
01070         .name = "yuv444p9le",
01071         .nb_components = 3,
01072         .log2_chroma_w = 0,
01073         .log2_chroma_h = 0,
01074         .comp = {
01075             { 0, 1, 1, 0, 8 },        /* Y */
01076             { 1, 1, 1, 0, 8 },        /* U */
01077             { 2, 1, 1, 0, 8 },        /* V */
01078         },
01079         .flags = PIX_FMT_PLANAR,
01080     },
01081     [PIX_FMT_YUV444P9BE] = {
01082         .name = "yuv444p9be",
01083         .nb_components = 3,
01084         .log2_chroma_w = 0,
01085         .log2_chroma_h = 0,
01086         .comp = {
01087             { 0, 1, 1, 0, 8 },        /* Y */
01088             { 1, 1, 1, 0, 8 },        /* U */
01089             { 2, 1, 1, 0, 8 },        /* V */
01090         },
01091         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01092     },
01093     [PIX_FMT_DXVA2_VLD] = {
01094         .name = "dxva2_vld",
01095         .log2_chroma_w = 1,
01096         .log2_chroma_h = 1,
01097         .flags = PIX_FMT_HWACCEL,
01098     },
01099     [PIX_FMT_VDA_VLD] = {
01100         .name = "vda_vld",
01101         .log2_chroma_w = 1,
01102         .log2_chroma_h = 1,
01103         .flags = PIX_FMT_HWACCEL,
01104     },
01105     [PIX_FMT_GRAY8A] = {
01106         .name = "gray8a",
01107         .nb_components = 2,
01108         .comp = {
01109             { 0, 1, 1, 0, 7 },        /* Y */
01110             { 0, 1, 2, 0, 7 },        /* A */
01111         },
01112     },
01113     [PIX_FMT_GBR24P] = {
01114         .name = "gbr24p",
01115         .nb_components= 3,
01116         .comp = {
01117             { 1, 0, 1, 0, 7 },        /* B */
01118             { 0, 0, 1, 0, 7 },        /* G */
01119             { 2, 0, 1, 0, 7 },        /* R */
01120         },
01121         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01122     },
01123     [PIX_FMT_GBRP] = {
01124         .name = "gbrp",
01125         .nb_components = 3,
01126         .log2_chroma_w = 0,
01127         .log2_chroma_h = 0,
01128         .comp = {
01129             { 0, 0, 1, 0, 7 },        /* G */
01130             { 1, 0, 1, 0, 7 },        /* B */
01131             { 2, 0, 1, 0, 7 },        /* R */
01132         },
01133         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01134     },
01135     [PIX_FMT_GBRP9LE] = {
01136         .name = "gbrp9le",
01137         .nb_components = 3,
01138         .log2_chroma_w = 0,
01139         .log2_chroma_h = 0,
01140         .comp = {
01141             { 0, 1, 1, 0, 8 },        /* G */
01142             { 1, 1, 1, 0, 8 },        /* B */
01143             { 2, 1, 1, 0, 8 },        /* R */
01144         },
01145         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01146     },
01147     [PIX_FMT_GBRP9BE] = {
01148         .name = "gbrp9be",
01149         .nb_components = 3,
01150         .log2_chroma_w = 0,
01151         .log2_chroma_h = 0,
01152         .comp = {
01153             { 0, 1, 1, 0, 8 },        /* G */
01154             { 1, 1, 1, 0, 8 },        /* B */
01155             { 2, 1, 1, 0, 8 },        /* R */
01156         },
01157         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
01158     },
01159     [PIX_FMT_GBRP10LE] = {
01160         .name = "gbrp10le",
01161         .nb_components = 3,
01162         .log2_chroma_w = 0,
01163         .log2_chroma_h = 0,
01164         .comp = {
01165             { 0, 1, 1, 0, 9 },        /* G */
01166             { 1, 1, 1, 0, 9 },        /* B */
01167             { 2, 1, 1, 0, 9 },        /* R */
01168         },
01169         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01170     },
01171     [PIX_FMT_GBRP10BE] = {
01172         .name = "gbrp10be",
01173         .nb_components = 3,
01174         .log2_chroma_w = 0,
01175         .log2_chroma_h = 0,
01176         .comp = {
01177             { 0, 1, 1, 0, 9 },        /* G */
01178             { 1, 1, 1, 0, 9 },        /* B */
01179             { 2, 1, 1, 0, 9 },        /* R */
01180         },
01181         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
01182     },
01183     [PIX_FMT_GBRP16LE] = {
01184         .name = "gbrp16le",
01185         .nb_components = 3,
01186         .log2_chroma_w = 0,
01187         .log2_chroma_h = 0,
01188         .comp = {
01189             { 0, 1, 1, 0, 15 },       /* G */
01190             { 1, 1, 1, 0, 15 },       /* B */
01191             { 2, 1, 1, 0, 15 },       /* R */
01192         },
01193         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01194     },
01195     [PIX_FMT_GBRP16BE] = {
01196         .name = "gbrp16be",
01197         .nb_components = 3,
01198         .log2_chroma_w = 0,
01199         .log2_chroma_h = 0,
01200         .comp = {
01201             { 0, 1, 1, 0, 15 },       /* G */
01202             { 1, 1, 1, 0, 15 },       /* B */
01203             { 2, 1, 1, 0, 15 },       /* R */
01204         },
01205         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
01206     },
01207 };
01208 
01209 static enum PixelFormat get_pix_fmt_internal(const char *name)
01210 {
01211     enum PixelFormat pix_fmt;
01212 
01213     for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++)
01214         if (av_pix_fmt_descriptors[pix_fmt].name &&
01215             !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))
01216             return pix_fmt;
01217 
01218     return PIX_FMT_NONE;
01219 }
01220 
01221 const char *av_get_pix_fmt_name(enum PixelFormat pix_fmt)
01222 {
01223     return (unsigned)pix_fmt < PIX_FMT_NB ?
01224         av_pix_fmt_descriptors[pix_fmt].name : NULL;
01225 }
01226 
01227 #if HAVE_BIGENDIAN
01228 #   define X_NE(be, le) be
01229 #else
01230 #   define X_NE(be, le) le
01231 #endif
01232 
01233 enum PixelFormat av_get_pix_fmt(const char *name)
01234 {
01235     enum PixelFormat pix_fmt;
01236 
01237     if (!strcmp(name, "rgb32"))
01238         name = X_NE("argb", "bgra");
01239     else if (!strcmp(name, "bgr32"))
01240         name = X_NE("abgr", "rgba");
01241 
01242     pix_fmt = get_pix_fmt_internal(name);
01243     if (pix_fmt == PIX_FMT_NONE) {
01244         char name2[32];
01245 
01246         snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
01247         pix_fmt = get_pix_fmt_internal(name2);
01248     }
01249     return pix_fmt;
01250 }
01251 
01252 int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
01253 {
01254     int c, bits = 0;
01255     int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
01256 
01257     for (c = 0; c < pixdesc->nb_components; c++) {
01258         int s = c == 1 || c == 2 ? 0 : log2_pixels;
01259         bits += (pixdesc->comp[c].depth_minus1 + 1) << s;
01260     }
01261 
01262     return bits >> log2_pixels;
01263 }
01264 
01265 char *av_get_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt)
01266 {
01267     /* print header */
01268     if (pix_fmt < 0) {
01269        snprintf (buf, buf_size, "name" " nb_components" " nb_bits");
01270     } else {
01271         const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt];
01272         snprintf(buf, buf_size, "%-11s %7d %10d", pixdesc->name,
01273                  pixdesc->nb_components, av_get_bits_per_pixel(pixdesc));
01274     }
01275 
01276     return buf;
01277 }