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 
00025 #include "common.h"
00026 #include "pixfmt.h"
00027 #include "pixdesc.h"
00028 
00029 #include "intreadwrite.h"
00030 
00031 void av_read_image_line(uint16_t *dst,
00032                         const uint8_t *data[4], const int linesize[4],
00033                         const AVPixFmtDescriptor *desc,
00034                         int x, int y, int c, int w,
00035                         int read_pal_component)
00036 {
00037     AVComponentDescriptor comp = desc->comp[c];
00038     int plane = comp.plane;
00039     int depth = comp.depth_minus1 + 1;
00040     int mask  = (1 << depth) - 1;
00041     int shift = comp.shift;
00042     int step  = comp.step_minus1 + 1;
00043     int flags = desc->flags;
00044 
00045     if (flags & PIX_FMT_BITSTREAM) {
00046         int skip = x * step + comp.offset_plus1 - 1;
00047         const uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
00048         int shift = 8 - depth - (skip & 7);
00049 
00050         while (w--) {
00051             int val = (*p >> shift) & mask;
00052             if (read_pal_component)
00053                 val = data[1][4*val + c];
00054             shift -= step;
00055             p -= shift >> 3;
00056             shift &= 7;
00057             *dst++ = val;
00058         }
00059     } else {
00060         const uint8_t *p = data[plane] + y * linesize[plane] +
00061                            x * step + comp.offset_plus1 - 1;
00062         int is_8bit = shift + depth <= 8;
00063 
00064         if (is_8bit)
00065             p += !!(flags & PIX_FMT_BE);
00066 
00067         while (w--) {
00068             int val = is_8bit ? *p :
00069                 flags & PIX_FMT_BE ? AV_RB16(p) : AV_RL16(p);
00070             val = (val >> shift) & mask;
00071             if (read_pal_component)
00072                 val = data[1][4 * val + c];
00073             p += step;
00074             *dst++ = val;
00075         }
00076     }
00077 }
00078 
00079 void av_write_image_line(const uint16_t *src,
00080                          uint8_t *data[4], const int linesize[4],
00081                          const AVPixFmtDescriptor *desc,
00082                          int x, int y, int c, int w)
00083 {
00084     AVComponentDescriptor comp = desc->comp[c];
00085     int plane = comp.plane;
00086     int depth = comp.depth_minus1 + 1;
00087     int step  = comp.step_minus1 + 1;
00088     int flags = desc->flags;
00089 
00090     if (flags & PIX_FMT_BITSTREAM) {
00091         int skip = x * step + comp.offset_plus1 - 1;
00092         uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
00093         int shift = 8 - depth - (skip & 7);
00094 
00095         while (w--) {
00096             *p |= *src++ << shift;
00097             shift -= step;
00098             p -= shift >> 3;
00099             shift &= 7;
00100         }
00101     } else {
00102         int shift = comp.shift;
00103         uint8_t *p = data[plane] + y * linesize[plane] +
00104                      x * step + comp.offset_plus1 - 1;
00105 
00106         if (shift + depth <= 8) {
00107             p += !!(flags & PIX_FMT_BE);
00108             while (w--) {
00109                 *p |= (*src++ << shift);
00110                 p += step;
00111             }
00112         } else {
00113             while (w--) {
00114                 if (flags & PIX_FMT_BE) {
00115                     uint16_t val = AV_RB16(p) | (*src++ << shift);
00116                     AV_WB16(p, val);
00117                 } else {
00118                     uint16_t val = AV_RL16(p) | (*src++ << shift);
00119                     AV_WL16(p, val);
00120                 }
00121                 p += step;
00122             }
00123         }
00124     }
00125 }
00126 
00127 #if !FF_API_PIX_FMT_DESC
00128 static
00129 #endif
00130 const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
00131     [AV_PIX_FMT_YUV420P] = {
00132         .name = "yuv420p",
00133         .nb_components = 3,
00134         .log2_chroma_w = 1,
00135         .log2_chroma_h = 1,
00136         .comp = {
00137             { 0, 0, 1, 0, 7 },        /* Y */
00138             { 1, 0, 1, 0, 7 },        /* U */
00139             { 2, 0, 1, 0, 7 },        /* V */
00140         },
00141         .flags = PIX_FMT_PLANAR,
00142     },
00143     [AV_PIX_FMT_YUYV422] = {
00144         .name = "yuyv422",
00145         .nb_components = 3,
00146         .log2_chroma_w = 1,
00147         .log2_chroma_h = 0,
00148         .comp = {
00149             { 0, 1, 1, 0, 7 },        /* Y */
00150             { 0, 3, 2, 0, 7 },        /* U */
00151             { 0, 3, 4, 0, 7 },        /* V */
00152         },
00153     },
00154     [AV_PIX_FMT_RGB24] = {
00155         .name = "rgb24",
00156         .nb_components = 3,
00157         .log2_chroma_w = 0,
00158         .log2_chroma_h = 0,
00159         .comp = {
00160             { 0, 2, 1, 0, 7 },        /* R */
00161             { 0, 2, 2, 0, 7 },        /* G */
00162             { 0, 2, 3, 0, 7 },        /* B */
00163         },
00164         .flags = PIX_FMT_RGB,
00165     },
00166     [AV_PIX_FMT_BGR24] = {
00167         .name = "bgr24",
00168         .nb_components = 3,
00169         .log2_chroma_w = 0,
00170         .log2_chroma_h = 0,
00171         .comp = {
00172             { 0, 2, 3, 0, 7 },        /* R */
00173             { 0, 2, 2, 0, 7 },        /* G */
00174             { 0, 2, 1, 0, 7 },        /* B */
00175         },
00176         .flags = PIX_FMT_RGB,
00177     },
00178     [AV_PIX_FMT_YUV422P] = {
00179         .name = "yuv422p",
00180         .nb_components = 3,
00181         .log2_chroma_w = 1,
00182         .log2_chroma_h = 0,
00183         .comp = {
00184             { 0, 0, 1, 0, 7 },        /* Y */
00185             { 1, 0, 1, 0, 7 },        /* U */
00186             { 2, 0, 1, 0, 7 },        /* V */
00187         },
00188         .flags = PIX_FMT_PLANAR,
00189     },
00190     [AV_PIX_FMT_YUV444P] = {
00191         .name = "yuv444p",
00192         .nb_components = 3,
00193         .log2_chroma_w = 0,
00194         .log2_chroma_h = 0,
00195         .comp = {
00196             { 0, 0, 1, 0, 7 },        /* Y */
00197             { 1, 0, 1, 0, 7 },        /* U */
00198             { 2, 0, 1, 0, 7 },        /* V */
00199         },
00200         .flags = PIX_FMT_PLANAR,
00201     },
00202     [AV_PIX_FMT_YUV410P] = {
00203         .name = "yuv410p",
00204         .nb_components = 3,
00205         .log2_chroma_w = 2,
00206         .log2_chroma_h = 2,
00207         .comp = {
00208             { 0, 0, 1, 0, 7 },        /* Y */
00209             { 1, 0, 1, 0, 7 },        /* U */
00210             { 2, 0, 1, 0, 7 },        /* V */
00211         },
00212         .flags = PIX_FMT_PLANAR,
00213     },
00214     [AV_PIX_FMT_YUV411P] = {
00215         .name = "yuv411p",
00216         .nb_components = 3,
00217         .log2_chroma_w = 2,
00218         .log2_chroma_h = 0,
00219         .comp = {
00220             { 0, 0, 1, 0, 7 },        /* Y */
00221             { 1, 0, 1, 0, 7 },        /* U */
00222             { 2, 0, 1, 0, 7 },        /* V */
00223         },
00224         .flags = PIX_FMT_PLANAR,
00225     },
00226     [AV_PIX_FMT_GRAY8] = {
00227         .name = "gray",
00228         .nb_components = 1,
00229         .log2_chroma_w = 0,
00230         .log2_chroma_h = 0,
00231         .comp = {
00232             { 0, 0, 1, 0, 7 },        /* Y */
00233         },
00234         .flags = PIX_FMT_PSEUDOPAL,
00235     },
00236     [AV_PIX_FMT_MONOWHITE] = {
00237         .name = "monow",
00238         .nb_components = 1,
00239         .log2_chroma_w = 0,
00240         .log2_chroma_h = 0,
00241         .comp = {
00242             { 0, 0, 1, 0, 0 },        /* Y */
00243         },
00244         .flags = PIX_FMT_BITSTREAM,
00245     },
00246     [AV_PIX_FMT_MONOBLACK] = {
00247         .name = "monob",
00248         .nb_components = 1,
00249         .log2_chroma_w = 0,
00250         .log2_chroma_h = 0,
00251         .comp = {
00252             { 0, 0, 1, 7, 0 },        /* Y */
00253         },
00254         .flags = PIX_FMT_BITSTREAM,
00255     },
00256     [AV_PIX_FMT_PAL8] = {
00257         .name = "pal8",
00258         .nb_components = 1,
00259         .log2_chroma_w = 0,
00260         .log2_chroma_h = 0,
00261         .comp = {
00262             { 0, 0, 1, 0, 7 },
00263         },
00264         .flags = PIX_FMT_PAL,
00265     },
00266     [AV_PIX_FMT_YUVJ420P] = {
00267         .name = "yuvj420p",
00268         .nb_components = 3,
00269         .log2_chroma_w = 1,
00270         .log2_chroma_h = 1,
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     [AV_PIX_FMT_YUVJ422P] = {
00279         .name = "yuvj422p",
00280         .nb_components = 3,
00281         .log2_chroma_w = 1,
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     [AV_PIX_FMT_YUVJ444P] = {
00291         .name = "yuvj444p",
00292         .nb_components = 3,
00293         .log2_chroma_w = 0,
00294         .log2_chroma_h = 0,
00295         .comp = {
00296             { 0, 0, 1, 0, 7 },        /* Y */
00297             { 1, 0, 1, 0, 7 },        /* U */
00298             { 2, 0, 1, 0, 7 },        /* V */
00299         },
00300         .flags = PIX_FMT_PLANAR,
00301     },
00302     [AV_PIX_FMT_XVMC_MPEG2_MC] = {
00303         .name = "xvmcmc",
00304         .flags = PIX_FMT_HWACCEL,
00305     },
00306     [AV_PIX_FMT_XVMC_MPEG2_IDCT] = {
00307         .name = "xvmcidct",
00308         .flags = PIX_FMT_HWACCEL,
00309     },
00310     [AV_PIX_FMT_UYVY422] = {
00311         .name = "uyvy422",
00312         .nb_components = 3,
00313         .log2_chroma_w = 1,
00314         .log2_chroma_h = 0,
00315         .comp = {
00316             { 0, 1, 2, 0, 7 },        /* Y */
00317             { 0, 3, 1, 0, 7 },        /* U */
00318             { 0, 3, 3, 0, 7 },        /* V */
00319         },
00320     },
00321     [AV_PIX_FMT_UYYVYY411] = {
00322         .name = "uyyvyy411",
00323         .nb_components = 3,
00324         .log2_chroma_w = 2,
00325         .log2_chroma_h = 0,
00326         .comp = {
00327             { 0, 3, 2, 0, 7 },        /* Y */
00328             { 0, 5, 1, 0, 7 },        /* U */
00329             { 0, 5, 4, 0, 7 },        /* V */
00330         },
00331     },
00332     [AV_PIX_FMT_BGR8] = {
00333         .name = "bgr8",
00334         .nb_components = 3,
00335         .log2_chroma_w = 0,
00336         .log2_chroma_h = 0,
00337         .comp = {
00338             { 0, 0, 1, 0, 2 },        /* R */
00339             { 0, 0, 1, 3, 2 },        /* G */
00340             { 0, 0, 1, 6, 1 },        /* B */
00341         },
00342         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
00343     },
00344     [AV_PIX_FMT_BGR4] = {
00345         .name = "bgr4",
00346         .nb_components = 3,
00347         .log2_chroma_w = 0,
00348         .log2_chroma_h = 0,
00349         .comp = {
00350             { 0, 3, 4, 0, 0 },        /* R */
00351             { 0, 3, 2, 0, 1 },        /* G */
00352             { 0, 3, 1, 0, 0 },        /* B */
00353         },
00354         .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
00355     },
00356     [AV_PIX_FMT_BGR4_BYTE] = {
00357         .name = "bgr4_byte",
00358         .nb_components = 3,
00359         .log2_chroma_w = 0,
00360         .log2_chroma_h = 0,
00361         .comp = {
00362             { 0, 0, 1, 0, 0 },        /* R */
00363             { 0, 0, 1, 1, 1 },        /* G */
00364             { 0, 0, 1, 3, 0 },        /* B */
00365         },
00366         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
00367     },
00368     [AV_PIX_FMT_RGB8] = {
00369         .name = "rgb8",
00370         .nb_components = 3,
00371         .log2_chroma_w = 0,
00372         .log2_chroma_h = 0,
00373         .comp = {
00374             { 0, 0, 1, 6, 1 },        /* R */
00375             { 0, 0, 1, 3, 2 },        /* G */
00376             { 0, 0, 1, 0, 2 },        /* B */
00377         },
00378         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
00379     },
00380     [AV_PIX_FMT_RGB4] = {
00381         .name = "rgb4",
00382         .nb_components = 3,
00383         .log2_chroma_w = 0,
00384         .log2_chroma_h = 0,
00385         .comp = {
00386             { 0, 3, 1, 0, 0 },        /* R */
00387             { 0, 3, 2, 0, 1 },        /* G */
00388             { 0, 3, 4, 0, 0 },        /* B */
00389         },
00390         .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
00391     },
00392     [AV_PIX_FMT_RGB4_BYTE] = {
00393         .name = "rgb4_byte",
00394         .nb_components = 3,
00395         .log2_chroma_w = 0,
00396         .log2_chroma_h = 0,
00397         .comp = {
00398             { 0, 0, 1, 3, 0 },        /* R */
00399             { 0, 0, 1, 1, 1 },        /* G */
00400             { 0, 0, 1, 0, 0 },        /* B */
00401         },
00402         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
00403     },
00404     [AV_PIX_FMT_NV12] = {
00405         .name = "nv12",
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 },        /* U */
00412             { 1, 1, 2, 0, 7 },        /* V */
00413         },
00414         .flags = PIX_FMT_PLANAR,
00415     },
00416     [AV_PIX_FMT_NV21] = {
00417         .name = "nv21",
00418         .nb_components = 3,
00419         .log2_chroma_w = 1,
00420         .log2_chroma_h = 1,
00421         .comp = {
00422             { 0, 0, 1, 0, 7 },        /* Y */
00423             { 1, 1, 2, 0, 7 },        /* U */
00424             { 1, 1, 1, 0, 7 },        /* V */
00425         },
00426         .flags = PIX_FMT_PLANAR,
00427     },
00428     [AV_PIX_FMT_ARGB] = {
00429         .name = "argb",
00430         .nb_components = 4,
00431         .log2_chroma_w = 0,
00432         .log2_chroma_h = 0,
00433         .comp = {
00434             { 0, 3, 2, 0, 7 },        /* R */
00435             { 0, 3, 3, 0, 7 },        /* G */
00436             { 0, 3, 4, 0, 7 },        /* B */
00437             { 0, 3, 1, 0, 7 },        /* A */
00438         },
00439         .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
00440     },
00441     [AV_PIX_FMT_RGBA] = {
00442         .name = "rgba",
00443         .nb_components = 4,
00444         .log2_chroma_w = 0,
00445         .log2_chroma_h = 0,
00446         .comp = {
00447             { 0, 3, 1, 0, 7 },        /* R */
00448             { 0, 3, 2, 0, 7 },        /* G */
00449             { 0, 3, 3, 0, 7 },        /* B */
00450             { 0, 3, 4, 0, 7 },        /* A */
00451         },
00452         .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
00453     },
00454     [AV_PIX_FMT_ABGR] = {
00455         .name = "abgr",
00456         .nb_components = 4,
00457         .log2_chroma_w = 0,
00458         .log2_chroma_h = 0,
00459         .comp = {
00460             { 0, 3, 4, 0, 7 },        /* R */
00461             { 0, 3, 3, 0, 7 },        /* G */
00462             { 0, 3, 2, 0, 7 },        /* B */
00463             { 0, 3, 1, 0, 7 },        /* A */
00464         },
00465         .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
00466     },
00467     [AV_PIX_FMT_BGRA] = {
00468         .name = "bgra",
00469         .nb_components = 4,
00470         .log2_chroma_w = 0,
00471         .log2_chroma_h = 0,
00472         .comp = {
00473             { 0, 3, 3, 0, 7 },        /* R */
00474             { 0, 3, 2, 0, 7 },        /* G */
00475             { 0, 3, 1, 0, 7 },        /* B */
00476             { 0, 3, 4, 0, 7 },        /* A */
00477         },
00478         .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
00479     },
00480     [AV_PIX_FMT_0RGB] = {
00481         .name = "0rgb",
00482         .nb_components= 3,
00483         .log2_chroma_w= 0,
00484         .log2_chroma_h= 0,
00485         .comp = {
00486             { 0, 3, 2, 0, 7 },        /* R */
00487             { 0, 3, 3, 0, 7 },        /* G */
00488             { 0, 3, 4, 0, 7 },        /* B */
00489         },
00490         .flags = PIX_FMT_RGB,
00491     },
00492     [AV_PIX_FMT_RGB0] = {
00493         .name = "rgb0",
00494         .nb_components= 3,
00495         .log2_chroma_w= 0,
00496         .log2_chroma_h= 0,
00497         .comp = {
00498             { 0, 3, 1, 0, 7 },        /* R */
00499             { 0, 3, 2, 0, 7 },        /* G */
00500             { 0, 3, 3, 0, 7 },        /* B */
00501             { 0, 3, 4, 0, 7 },        /* A */
00502         },
00503         .flags = PIX_FMT_RGB,
00504     },
00505     [AV_PIX_FMT_0BGR] = {
00506         .name = "0bgr",
00507         .nb_components= 3,
00508         .log2_chroma_w= 0,
00509         .log2_chroma_h= 0,
00510         .comp = {
00511             { 0, 3, 4, 0, 7 },        /* R */
00512             { 0, 3, 3, 0, 7 },        /* G */
00513             { 0, 3, 2, 0, 7 },        /* B */
00514         },
00515         .flags = PIX_FMT_RGB,
00516     },
00517     [AV_PIX_FMT_BGR0] = {
00518         .name = "bgr0",
00519         .nb_components= 3,
00520         .log2_chroma_w= 0,
00521         .log2_chroma_h= 0,
00522         .comp = {
00523             { 0, 3, 3, 0, 7 },        /* R */
00524             { 0, 3, 2, 0, 7 },        /* G */
00525             { 0, 3, 1, 0, 7 },        /* B */
00526             { 0, 3, 4, 0, 7 },        /* A */
00527         },
00528         .flags = PIX_FMT_RGB,
00529     },
00530     [AV_PIX_FMT_GRAY16BE] = {
00531         .name = "gray16be",
00532         .nb_components = 1,
00533         .log2_chroma_w = 0,
00534         .log2_chroma_h = 0,
00535         .comp = {
00536             { 0, 1, 1, 0, 15 },       /* Y */
00537         },
00538         .flags = PIX_FMT_BE,
00539     },
00540     [AV_PIX_FMT_GRAY16LE] = {
00541         .name = "gray16le",
00542         .nb_components = 1,
00543         .log2_chroma_w = 0,
00544         .log2_chroma_h = 0,
00545         .comp = {
00546             { 0, 1, 1, 0, 15 },       /* Y */
00547         },
00548     },
00549     [AV_PIX_FMT_YUV440P] = {
00550         .name = "yuv440p",
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     [AV_PIX_FMT_YUVJ440P] = {
00562         .name = "yuvj440p",
00563         .nb_components = 3,
00564         .log2_chroma_w = 0,
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         },
00571         .flags = PIX_FMT_PLANAR,
00572     },
00573     [AV_PIX_FMT_YUVA420P] = {
00574         .name = "yuva420p",
00575         .nb_components = 4,
00576         .log2_chroma_w = 1,
00577         .log2_chroma_h = 1,
00578         .comp = {
00579             { 0, 0, 1, 0, 7 },        /* Y */
00580             { 1, 0, 1, 0, 7 },        /* U */
00581             { 2, 0, 1, 0, 7 },        /* V */
00582             { 3, 0, 1, 0, 7 },        /* A */
00583         },
00584         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00585     },
00586     [AV_PIX_FMT_YUVA422P] = {
00587         .name = "yuva422p",
00588         .nb_components = 4,
00589         .log2_chroma_w = 1,
00590         .log2_chroma_h = 0,
00591         .comp = {
00592             { 0, 0, 1, 0, 7 },        /* Y */
00593             { 1, 0, 1, 0, 7 },        /* U */
00594             { 2, 0, 1, 0, 7 },        /* V */
00595             { 3, 0, 1, 0, 7 },        /* A */
00596         },
00597         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00598     },
00599     [AV_PIX_FMT_YUVA444P] = {
00600         .name = "yuva444p",
00601         .nb_components = 4,
00602         .log2_chroma_w = 0,
00603         .log2_chroma_h = 0,
00604         .comp = {
00605             { 0, 0, 1, 0, 7 },        /* Y */
00606             { 1, 0, 1, 0, 7 },        /* U */
00607             { 2, 0, 1, 0, 7 },        /* V */
00608             { 3, 0, 1, 0, 7 },        /* A */
00609         },
00610         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00611     },
00612     [AV_PIX_FMT_YUVA420P9BE] = {
00613         .name = "yuva420p9be",
00614         .nb_components = 4,
00615         .log2_chroma_w = 1,
00616         .log2_chroma_h = 1,
00617         .comp = {
00618             { 0, 1, 1, 0, 8 },        /* Y */
00619             { 1, 1, 1, 0, 8 },        /* U */
00620             { 2, 1, 1, 0, 8 },        /* V */
00621             { 3, 1, 1, 0, 8 },        /* A */
00622         },
00623         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00624     },
00625     [AV_PIX_FMT_YUVA420P9LE] = {
00626         .name = "yuva420p9le",
00627         .nb_components = 4,
00628         .log2_chroma_w = 1,
00629         .log2_chroma_h = 1,
00630         .comp = {
00631             { 0, 1, 1, 0, 8 },        /* Y */
00632             { 1, 1, 1, 0, 8 },        /* U */
00633             { 2, 1, 1, 0, 8 },        /* V */
00634             { 3, 1, 1, 0, 8 },        /* A */
00635         },
00636         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00637     },
00638     [AV_PIX_FMT_YUVA422P9BE] = {
00639         .name = "yuva422p9be",
00640         .nb_components = 4,
00641         .log2_chroma_w = 1,
00642         .log2_chroma_h = 0,
00643         .comp = {
00644             { 0, 1, 1, 0, 8 },        /* Y */
00645             { 1, 1, 1, 0, 8 },        /* U */
00646             { 2, 1, 1, 0, 8 },        /* V */
00647             { 3, 1, 1, 0, 8 },        /* A */
00648         },
00649         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00650     },
00651     [AV_PIX_FMT_YUVA422P9LE] = {
00652         .name = "yuva422p9le",
00653         .nb_components = 4,
00654         .log2_chroma_w = 1,
00655         .log2_chroma_h = 0,
00656         .comp = {
00657             { 0, 1, 1, 0, 8 },        /* Y */
00658             { 1, 1, 1, 0, 8 },        /* U */
00659             { 2, 1, 1, 0, 8 },        /* V */
00660             { 3, 1, 1, 0, 8 },        /* A */
00661         },
00662         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00663     },
00664     [AV_PIX_FMT_YUVA444P9BE] = {
00665         .name = "yuva444p9be",
00666         .nb_components = 4,
00667         .log2_chroma_w = 0,
00668         .log2_chroma_h = 0,
00669         .comp = {
00670             { 0, 1, 1, 0, 8 },        /* Y */
00671             { 1, 1, 1, 0, 8 },        /* U */
00672             { 2, 1, 1, 0, 8 },        /* V */
00673             { 3, 1, 1, 0, 8 },        /* A */
00674         },
00675         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00676     },
00677     [AV_PIX_FMT_YUVA444P9LE] = {
00678         .name = "yuva444p9le",
00679         .nb_components = 4,
00680         .log2_chroma_w = 0,
00681         .log2_chroma_h = 0,
00682         .comp = {
00683             { 0, 1, 1, 0, 8 },        /* Y */
00684             { 1, 1, 1, 0, 8 },        /* U */
00685             { 2, 1, 1, 0, 8 },        /* V */
00686             { 3, 1, 1, 0, 8 },        /* A */
00687         },
00688         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00689     },
00690     [AV_PIX_FMT_YUVA420P10BE] = {
00691         .name = "yuva420p10be",
00692         .nb_components = 4,
00693         .log2_chroma_w = 1,
00694         .log2_chroma_h = 1,
00695         .comp = {
00696             { 0, 1, 1, 0, 9 },        /* Y */
00697             { 1, 1, 1, 0, 9 },        /* U */
00698             { 2, 1, 1, 0, 9 },        /* V */
00699             { 3, 1, 1, 0, 9 },        /* A */
00700         },
00701         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00702     },
00703     [AV_PIX_FMT_YUVA420P10LE] = {
00704         .name = "yuva420p10le",
00705         .nb_components = 4,
00706         .log2_chroma_w = 1,
00707         .log2_chroma_h = 1,
00708         .comp = {
00709             { 0, 1, 1, 0, 9 },        /* Y */
00710             { 1, 1, 1, 0, 9 },        /* U */
00711             { 2, 1, 1, 0, 9 },        /* V */
00712             { 3, 1, 1, 0, 9 },        /* A */
00713         },
00714         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00715     },
00716     [AV_PIX_FMT_YUVA422P10BE] = {
00717         .name = "yuva422p10be",
00718         .nb_components = 4,
00719         .log2_chroma_w = 1,
00720         .log2_chroma_h = 0,
00721         .comp = {
00722             { 0, 1, 1, 0, 9 },        /* Y */
00723             { 1, 1, 1, 0, 9 },        /* U */
00724             { 2, 1, 1, 0, 9 },        /* V */
00725             { 3, 1, 1, 0, 9 },        /* A */
00726         },
00727         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00728     },
00729     [AV_PIX_FMT_YUVA422P10LE] = {
00730         .name = "yuva422p10le",
00731         .nb_components = 4,
00732         .log2_chroma_w = 1,
00733         .log2_chroma_h = 0,
00734         .comp = {
00735             { 0, 1, 1, 0, 9 },        /* Y */
00736             { 1, 1, 1, 0, 9 },        /* U */
00737             { 2, 1, 1, 0, 9 },        /* V */
00738             { 3, 1, 1, 0, 9 },        /* A */
00739         },
00740         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00741     },
00742     [AV_PIX_FMT_YUVA444P10BE] = {
00743         .name = "yuva444p10be",
00744         .nb_components = 4,
00745         .log2_chroma_w = 0,
00746         .log2_chroma_h = 0,
00747         .comp = {
00748             { 0, 1, 1, 0, 9 },        /* Y */
00749             { 1, 1, 1, 0, 9 },        /* U */
00750             { 2, 1, 1, 0, 9 },        /* V */
00751             { 3, 1, 1, 0, 9 },        /* A */
00752         },
00753         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00754     },
00755     [AV_PIX_FMT_YUVA444P10LE] = {
00756         .name = "yuva444p10le",
00757         .nb_components = 4,
00758         .log2_chroma_w = 0,
00759         .log2_chroma_h = 0,
00760         .comp = {
00761             { 0, 1, 1, 0, 9 },        /* Y */
00762             { 1, 1, 1, 0, 9 },        /* U */
00763             { 2, 1, 1, 0, 9 },        /* V */
00764             { 3, 1, 1, 0, 9 },        /* A */
00765         },
00766         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00767     },
00768     [AV_PIX_FMT_YUVA420P16BE] = {
00769         .name = "yuva420p16be",
00770         .nb_components = 4,
00771         .log2_chroma_w = 1,
00772         .log2_chroma_h = 1,
00773         .comp = {
00774             { 0, 1, 1, 0, 15 },        /* Y */
00775             { 1, 1, 1, 0, 15 },        /* U */
00776             { 2, 1, 1, 0, 15 },        /* V */
00777             { 3, 1, 1, 0, 15 },        /* A */
00778         },
00779         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00780     },
00781     [AV_PIX_FMT_YUVA420P16LE] = {
00782         .name = "yuva420p16le",
00783         .nb_components = 4,
00784         .log2_chroma_w = 1,
00785         .log2_chroma_h = 1,
00786         .comp = {
00787             { 0, 1, 1, 0, 15 },        /* Y */
00788             { 1, 1, 1, 0, 15 },        /* U */
00789             { 2, 1, 1, 0, 15 },        /* V */
00790             { 3, 1, 1, 0, 15 },        /* A */
00791         },
00792         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00793     },
00794     [AV_PIX_FMT_YUVA422P16BE] = {
00795         .name = "yuva422p16be",
00796         .nb_components = 4,
00797         .log2_chroma_w = 1,
00798         .log2_chroma_h = 0,
00799         .comp = {
00800             { 0, 1, 1, 0, 15 },        /* Y */
00801             { 1, 1, 1, 0, 15 },        /* U */
00802             { 2, 1, 1, 0, 15 },        /* V */
00803             { 3, 1, 1, 0, 15 },        /* A */
00804         },
00805         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00806     },
00807     [AV_PIX_FMT_YUVA422P16LE] = {
00808         .name = "yuva422p16le",
00809         .nb_components = 4,
00810         .log2_chroma_w = 1,
00811         .log2_chroma_h = 0,
00812         .comp = {
00813             { 0, 1, 1, 0, 15 },        /* Y */
00814             { 1, 1, 1, 0, 15 },        /* U */
00815             { 2, 1, 1, 0, 15 },        /* V */
00816             { 3, 1, 1, 0, 15 },        /* A */
00817         },
00818         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00819     },
00820     [AV_PIX_FMT_YUVA444P16BE] = {
00821         .name = "yuva444p16be",
00822         .nb_components = 4,
00823         .log2_chroma_w = 0,
00824         .log2_chroma_h = 0,
00825         .comp = {
00826             { 0, 1, 1, 0, 15 },        /* Y */
00827             { 1, 1, 1, 0, 15 },        /* U */
00828             { 2, 1, 1, 0, 15 },        /* V */
00829             { 3, 1, 1, 0, 15 },        /* A */
00830         },
00831         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00832     },
00833     [AV_PIX_FMT_YUVA444P16LE] = {
00834         .name = "yuva444p16le",
00835         .nb_components = 4,
00836         .log2_chroma_w = 0,
00837         .log2_chroma_h = 0,
00838         .comp = {
00839             { 0, 1, 1, 0, 15 },        /* Y */
00840             { 1, 1, 1, 0, 15 },        /* U */
00841             { 2, 1, 1, 0, 15 },        /* V */
00842             { 3, 1, 1, 0, 15 },        /* A */
00843         },
00844         .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
00845     },
00846     [AV_PIX_FMT_VDPAU_H264] = {
00847         .name = "vdpau_h264",
00848         .log2_chroma_w = 1,
00849         .log2_chroma_h = 1,
00850         .flags = PIX_FMT_HWACCEL,
00851     },
00852     [AV_PIX_FMT_VDPAU_MPEG1] = {
00853         .name = "vdpau_mpeg1",
00854         .log2_chroma_w = 1,
00855         .log2_chroma_h = 1,
00856         .flags = PIX_FMT_HWACCEL,
00857     },
00858     [AV_PIX_FMT_VDPAU_MPEG2] = {
00859         .name = "vdpau_mpeg2",
00860         .log2_chroma_w = 1,
00861         .log2_chroma_h = 1,
00862         .flags = PIX_FMT_HWACCEL,
00863     },
00864     [AV_PIX_FMT_VDPAU_WMV3] = {
00865         .name = "vdpau_wmv3",
00866         .log2_chroma_w = 1,
00867         .log2_chroma_h = 1,
00868         .flags = PIX_FMT_HWACCEL,
00869     },
00870     [AV_PIX_FMT_VDPAU_VC1] = {
00871         .name = "vdpau_vc1",
00872         .log2_chroma_w = 1,
00873         .log2_chroma_h = 1,
00874         .flags = PIX_FMT_HWACCEL,
00875     },
00876     [AV_PIX_FMT_VDPAU_MPEG4] = {
00877         .name = "vdpau_mpeg4",
00878         .log2_chroma_w = 1,
00879         .log2_chroma_h = 1,
00880         .flags = PIX_FMT_HWACCEL,
00881     },
00882     [AV_PIX_FMT_RGB48BE] = {
00883         .name = "rgb48be",
00884         .nb_components = 3,
00885         .log2_chroma_w = 0,
00886         .log2_chroma_h = 0,
00887         .comp = {
00888             { 0, 5, 1, 0, 15 },       /* R */
00889             { 0, 5, 3, 0, 15 },       /* G */
00890             { 0, 5, 5, 0, 15 },       /* B */
00891         },
00892         .flags = PIX_FMT_RGB | PIX_FMT_BE,
00893     },
00894     [AV_PIX_FMT_RGB48LE] = {
00895         .name = "rgb48le",
00896         .nb_components = 3,
00897         .log2_chroma_w = 0,
00898         .log2_chroma_h = 0,
00899         .comp = {
00900             { 0, 5, 1, 0, 15 },       /* R */
00901             { 0, 5, 3, 0, 15 },       /* G */
00902             { 0, 5, 5, 0, 15 },       /* B */
00903         },
00904         .flags = PIX_FMT_RGB,
00905     },
00906     [AV_PIX_FMT_RGBA64BE] = {
00907         .name = "rgba64be",
00908         .nb_components= 4,
00909         .log2_chroma_w= 0,
00910         .log2_chroma_h= 0,
00911         .comp = {
00912             { 0, 7, 1, 0, 15 },       /* R */
00913             { 0, 7, 3, 0, 15 },       /* G */
00914             { 0, 7, 5, 0, 15 },       /* B */
00915             { 0, 7, 7, 0, 15 },       /* A */
00916         },
00917         .flags = PIX_FMT_RGB | PIX_FMT_BE | PIX_FMT_ALPHA,
00918     },
00919     [AV_PIX_FMT_RGBA64LE] = {
00920         .name = "rgba64le",
00921         .nb_components= 4,
00922         .log2_chroma_w= 0,
00923         .log2_chroma_h= 0,
00924         .comp = {
00925             { 0, 7, 1, 0, 15 },       /* R */
00926             { 0, 7, 3, 0, 15 },       /* G */
00927             { 0, 7, 5, 0, 15 },       /* B */
00928             { 0, 7, 7, 0, 15 },       /* A */
00929         },
00930         .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
00931     },
00932     [AV_PIX_FMT_RGB565BE] = {
00933         .name = "rgb565be",
00934         .nb_components = 3,
00935         .log2_chroma_w = 0,
00936         .log2_chroma_h = 0,
00937         .comp = {
00938             { 0, 1, 0, 3, 4 },        /* R */
00939             { 0, 1, 1, 5, 5 },        /* G */
00940             { 0, 1, 1, 0, 4 },        /* B */
00941         },
00942         .flags = PIX_FMT_BE | PIX_FMT_RGB,
00943     },
00944     [AV_PIX_FMT_RGB565LE] = {
00945         .name = "rgb565le",
00946         .nb_components = 3,
00947         .log2_chroma_w = 0,
00948         .log2_chroma_h = 0,
00949         .comp = {
00950             { 0, 1, 2, 3, 4 },        /* R */
00951             { 0, 1, 1, 5, 5 },        /* G */
00952             { 0, 1, 1, 0, 4 },        /* B */
00953         },
00954         .flags = PIX_FMT_RGB,
00955     },
00956     [AV_PIX_FMT_RGB555BE] = {
00957         .name = "rgb555be",
00958         .nb_components = 3,
00959         .log2_chroma_w = 0,
00960         .log2_chroma_h = 0,
00961         .comp = {
00962             { 0, 1, 0, 2, 4 },        /* R */
00963             { 0, 1, 1, 5, 4 },        /* G */
00964             { 0, 1, 1, 0, 4 },        /* B */
00965         },
00966         .flags = PIX_FMT_BE | PIX_FMT_RGB,
00967     },
00968     [AV_PIX_FMT_RGB555LE] = {
00969         .name = "rgb555le",
00970         .nb_components = 3,
00971         .log2_chroma_w = 0,
00972         .log2_chroma_h = 0,
00973         .comp = {
00974             { 0, 1, 2, 2, 4 },        /* R */
00975             { 0, 1, 1, 5, 4 },        /* G */
00976             { 0, 1, 1, 0, 4 },        /* B */
00977         },
00978         .flags = PIX_FMT_RGB,
00979     },
00980     [AV_PIX_FMT_RGB444BE] = {
00981         .name = "rgb444be",
00982         .nb_components = 3,
00983         .log2_chroma_w = 0,
00984         .log2_chroma_h = 0,
00985         .comp = {
00986             { 0, 1, 0, 0, 3 },        /* R */
00987             { 0, 1, 1, 4, 3 },        /* G */
00988             { 0, 1, 1, 0, 3 },        /* B */
00989         },
00990         .flags = PIX_FMT_BE | PIX_FMT_RGB,
00991     },
00992     [AV_PIX_FMT_RGB444LE] = {
00993         .name = "rgb444le",
00994         .nb_components = 3,
00995         .log2_chroma_w = 0,
00996         .log2_chroma_h = 0,
00997         .comp = {
00998             { 0, 1, 2, 0, 3 },        /* R */
00999             { 0, 1, 1, 4, 3 },        /* G */
01000             { 0, 1, 1, 0, 3 },        /* B */
01001         },
01002         .flags = PIX_FMT_RGB,
01003     },
01004     [AV_PIX_FMT_BGR48BE] = {
01005         .name = "bgr48be",
01006         .nb_components = 3,
01007         .log2_chroma_w = 0,
01008         .log2_chroma_h = 0,
01009         .comp = {
01010             { 0, 5, 5, 0, 15 },       /* R */
01011             { 0, 5, 3, 0, 15 },       /* G */
01012             { 0, 5, 1, 0, 15 },       /* B */
01013         },
01014         .flags = PIX_FMT_BE | PIX_FMT_RGB,
01015     },
01016     [AV_PIX_FMT_BGR48LE] = {
01017         .name = "bgr48le",
01018         .nb_components = 3,
01019         .log2_chroma_w = 0,
01020         .log2_chroma_h = 0,
01021         .comp = {
01022             { 0, 5, 5, 0, 15 },       /* R */
01023             { 0, 5, 3, 0, 15 },       /* G */
01024             { 0, 5, 1, 0, 15 },       /* B */
01025         },
01026         .flags = PIX_FMT_RGB,
01027     },
01028     [AV_PIX_FMT_BGRA64BE] = {
01029         .name = "bgra64be",
01030         .nb_components= 4,
01031         .log2_chroma_w= 0,
01032         .log2_chroma_h= 0,
01033         .comp = {
01034             { 0, 7, 5, 0, 15 },       /* R */
01035             { 0, 7, 3, 0, 15 },       /* G */
01036             { 0, 7, 1, 0, 15 },       /* B */
01037             { 0, 7, 7, 0, 15 },       /* A */
01038         },
01039         .flags = PIX_FMT_BE | PIX_FMT_RGB | PIX_FMT_ALPHA,
01040     },
01041     [AV_PIX_FMT_BGRA64LE] = {
01042         .name = "bgra64le",
01043         .nb_components= 4,
01044         .log2_chroma_w= 0,
01045         .log2_chroma_h= 0,
01046         .comp = {
01047             { 0, 7, 5, 0, 15 },       /* R */
01048             { 0, 7, 3, 0, 15 },       /* G */
01049             { 0, 7, 1, 0, 15 },       /* B */
01050             { 0, 7, 7, 0, 15 },       /* A */
01051         },
01052         .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
01053     },
01054     [AV_PIX_FMT_BGR565BE] = {
01055         .name = "bgr565be",
01056         .nb_components = 3,
01057         .log2_chroma_w = 0,
01058         .log2_chroma_h = 0,
01059         .comp = {
01060             { 0, 1, 1, 0, 4 },        /* R */
01061             { 0, 1, 1, 5, 5 },        /* G */
01062             { 0, 1, 0, 3, 4 },        /* B */
01063         },
01064         .flags = PIX_FMT_BE | PIX_FMT_RGB,
01065     },
01066     [AV_PIX_FMT_BGR565LE] = {
01067         .name = "bgr565le",
01068         .nb_components = 3,
01069         .log2_chroma_w = 0,
01070         .log2_chroma_h = 0,
01071         .comp = {
01072             { 0, 1, 1, 0, 4 },        /* R */
01073             { 0, 1, 1, 5, 5 },        /* G */
01074             { 0, 1, 2, 3, 4 },        /* B */
01075         },
01076         .flags = PIX_FMT_RGB,
01077     },
01078     [AV_PIX_FMT_BGR555BE] = {
01079         .name = "bgr555be",
01080         .nb_components = 3,
01081         .log2_chroma_w = 0,
01082         .log2_chroma_h = 0,
01083         .comp = {
01084             { 0, 1, 1, 0, 4 },       /* R */
01085             { 0, 1, 1, 5, 4 },       /* G */
01086             { 0, 1, 0, 2, 4 },       /* B */
01087         },
01088         .flags = PIX_FMT_BE | PIX_FMT_RGB,
01089      },
01090     [AV_PIX_FMT_BGR555LE] = {
01091         .name = "bgr555le",
01092         .nb_components = 3,
01093         .log2_chroma_w = 0,
01094         .log2_chroma_h = 0,
01095         .comp = {
01096             { 0, 1, 1, 0, 4 },        /* R */
01097             { 0, 1, 1, 5, 4 },        /* G */
01098             { 0, 1, 2, 2, 4 },        /* B */
01099         },
01100         .flags = PIX_FMT_RGB,
01101     },
01102     [AV_PIX_FMT_BGR444BE] = {
01103         .name = "bgr444be",
01104         .nb_components = 3,
01105         .log2_chroma_w = 0,
01106         .log2_chroma_h = 0,
01107         .comp = {
01108             { 0, 1, 1, 0, 3 },       /* R */
01109             { 0, 1, 1, 4, 3 },       /* G */
01110             { 0, 1, 0, 0, 3 },       /* B */
01111         },
01112         .flags = PIX_FMT_BE | PIX_FMT_RGB,
01113      },
01114     [AV_PIX_FMT_BGR444LE] = {
01115         .name = "bgr444le",
01116         .nb_components = 3,
01117         .log2_chroma_w = 0,
01118         .log2_chroma_h = 0,
01119         .comp = {
01120             { 0, 1, 1, 0, 3 },        /* R */
01121             { 0, 1, 1, 4, 3 },        /* G */
01122             { 0, 1, 2, 0, 3 },        /* B */
01123         },
01124         .flags = PIX_FMT_RGB,
01125     },
01126     [AV_PIX_FMT_VAAPI_MOCO] = {
01127         .name = "vaapi_moco",
01128         .log2_chroma_w = 1,
01129         .log2_chroma_h = 1,
01130         .flags = PIX_FMT_HWACCEL,
01131     },
01132     [AV_PIX_FMT_VAAPI_IDCT] = {
01133         .name = "vaapi_idct",
01134         .log2_chroma_w = 1,
01135         .log2_chroma_h = 1,
01136         .flags = PIX_FMT_HWACCEL,
01137     },
01138     [AV_PIX_FMT_VAAPI_VLD] = {
01139         .name = "vaapi_vld",
01140         .log2_chroma_w = 1,
01141         .log2_chroma_h = 1,
01142         .flags = PIX_FMT_HWACCEL,
01143     },
01144     [AV_PIX_FMT_YUV420P9LE] = {
01145         .name = "yuv420p9le",
01146         .nb_components = 3,
01147         .log2_chroma_w = 1,
01148         .log2_chroma_h = 1,
01149         .comp = {
01150             { 0, 1, 1, 0, 8 },        /* Y */
01151             { 1, 1, 1, 0, 8 },        /* U */
01152             { 2, 1, 1, 0, 8 },        /* V */
01153         },
01154         .flags = PIX_FMT_PLANAR,
01155     },
01156     [AV_PIX_FMT_YUV420P9BE] = {
01157         .name = "yuv420p9be",
01158         .nb_components = 3,
01159         .log2_chroma_w = 1,
01160         .log2_chroma_h = 1,
01161         .comp = {
01162             { 0, 1, 1, 0, 8 },        /* Y */
01163             { 1, 1, 1, 0, 8 },        /* U */
01164             { 2, 1, 1, 0, 8 },        /* V */
01165         },
01166         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01167     },
01168     [AV_PIX_FMT_YUV420P10LE] = {
01169         .name = "yuv420p10le",
01170         .nb_components = 3,
01171         .log2_chroma_w = 1,
01172         .log2_chroma_h = 1,
01173         .comp = {
01174             { 0, 1, 1, 0, 9 },        /* Y */
01175             { 1, 1, 1, 0, 9 },        /* U */
01176             { 2, 1, 1, 0, 9 },        /* V */
01177         },
01178         .flags = PIX_FMT_PLANAR,
01179     },
01180     [AV_PIX_FMT_YUV420P10BE] = {
01181         .name = "yuv420p10be",
01182         .nb_components = 3,
01183         .log2_chroma_w = 1,
01184         .log2_chroma_h = 1,
01185         .comp = {
01186             { 0, 1, 1, 0, 9 },        /* Y */
01187             { 1, 1, 1, 0, 9 },        /* U */
01188             { 2, 1, 1, 0, 9 },        /* V */
01189         },
01190         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01191     },
01192     [AV_PIX_FMT_YUV420P12LE] = {
01193         .name = "yuv420p12le",
01194         .nb_components = 3,
01195         .log2_chroma_w = 1,
01196         .log2_chroma_h = 1,
01197         .comp = {
01198             { 0, 1, 1, 0, 11 },        /* Y */
01199             { 1, 1, 1, 0, 11 },        /* U */
01200             { 2, 1, 1, 0, 11 },        /* V */
01201         },
01202         .flags = PIX_FMT_PLANAR,
01203     },
01204     [AV_PIX_FMT_YUV420P12BE] = {
01205         .name = "yuv420p12be",
01206         .nb_components = 3,
01207         .log2_chroma_w = 1,
01208         .log2_chroma_h = 1,
01209         .comp = {
01210             { 0, 1, 1, 0, 11 },        /* Y */
01211             { 1, 1, 1, 0, 11 },        /* U */
01212             { 2, 1, 1, 0, 11 },        /* V */
01213         },
01214         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01215     },
01216     [AV_PIX_FMT_YUV420P14LE] = {
01217         .name = "yuv420p14le",
01218         .nb_components = 3,
01219         .log2_chroma_w = 1,
01220         .log2_chroma_h = 1,
01221         .comp = {
01222             { 0, 1, 1, 0, 13 },        /* Y */
01223             { 1, 1, 1, 0, 13 },        /* U */
01224             { 2, 1, 1, 0, 13 },        /* V */
01225         },
01226         .flags = PIX_FMT_PLANAR,
01227     },
01228     [AV_PIX_FMT_YUV420P14BE] = {
01229         .name = "yuv420p14be",
01230         .nb_components = 3,
01231         .log2_chroma_w = 1,
01232         .log2_chroma_h = 1,
01233         .comp = {
01234             { 0, 1, 1, 0, 13 },        /* Y */
01235             { 1, 1, 1, 0, 13 },        /* U */
01236             { 2, 1, 1, 0, 13 },        /* V */
01237         },
01238         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01239     },
01240     [AV_PIX_FMT_YUV420P16LE] = {
01241         .name = "yuv420p16le",
01242         .nb_components = 3,
01243         .log2_chroma_w = 1,
01244         .log2_chroma_h = 1,
01245         .comp = {
01246             { 0, 1, 1, 0, 15 },        /* Y */
01247             { 1, 1, 1, 0, 15 },        /* U */
01248             { 2, 1, 1, 0, 15 },        /* V */
01249         },
01250         .flags = PIX_FMT_PLANAR,
01251     },
01252     [AV_PIX_FMT_YUV420P16BE] = {
01253         .name = "yuv420p16be",
01254         .nb_components = 3,
01255         .log2_chroma_w = 1,
01256         .log2_chroma_h = 1,
01257         .comp = {
01258             { 0, 1, 1, 0, 15 },        /* Y */
01259             { 1, 1, 1, 0, 15 },        /* U */
01260             { 2, 1, 1, 0, 15 },        /* V */
01261         },
01262         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01263     },
01264     [AV_PIX_FMT_YUV422P9LE] = {
01265         .name = "yuv422p9le",
01266         .nb_components = 3,
01267         .log2_chroma_w = 1,
01268         .log2_chroma_h = 0,
01269         .comp = {
01270             { 0, 1, 1, 0, 8 },        /* Y */
01271             { 1, 1, 1, 0, 8 },        /* U */
01272             { 2, 1, 1, 0, 8 },        /* V */
01273         },
01274         .flags = PIX_FMT_PLANAR,
01275     },
01276     [AV_PIX_FMT_YUV422P9BE] = {
01277         .name = "yuv422p9be",
01278         .nb_components = 3,
01279         .log2_chroma_w = 1,
01280         .log2_chroma_h = 0,
01281         .comp = {
01282             { 0, 1, 1, 0, 8 },        /* Y */
01283             { 1, 1, 1, 0, 8 },        /* U */
01284             { 2, 1, 1, 0, 8 },        /* V */
01285         },
01286         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01287     },
01288     [AV_PIX_FMT_YUV422P10LE] = {
01289         .name = "yuv422p10le",
01290         .nb_components = 3,
01291         .log2_chroma_w = 1,
01292         .log2_chroma_h = 0,
01293         .comp = {
01294             { 0, 1, 1, 0, 9 },        /* Y */
01295             { 1, 1, 1, 0, 9 },        /* U */
01296             { 2, 1, 1, 0, 9 },        /* V */
01297         },
01298         .flags = PIX_FMT_PLANAR,
01299     },
01300     [AV_PIX_FMT_YUV422P10BE] = {
01301         .name = "yuv422p10be",
01302         .nb_components = 3,
01303         .log2_chroma_w = 1,
01304         .log2_chroma_h = 0,
01305         .comp = {
01306             { 0, 1, 1, 0, 9 },        /* Y */
01307             { 1, 1, 1, 0, 9 },        /* U */
01308             { 2, 1, 1, 0, 9 },        /* V */
01309         },
01310         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01311     },
01312     [AV_PIX_FMT_YUV422P12LE] = {
01313         .name = "yuv422p12le",
01314         .nb_components = 3,
01315         .log2_chroma_w = 1,
01316         .log2_chroma_h = 0,
01317         .comp = {
01318             { 0, 1, 1, 0, 11 },        /* Y */
01319             { 1, 1, 1, 0, 11 },        /* U */
01320             { 2, 1, 1, 0, 11 },        /* V */
01321         },
01322         .flags = PIX_FMT_PLANAR,
01323     },
01324     [AV_PIX_FMT_YUV422P12BE] = {
01325         .name = "yuv422p12be",
01326         .nb_components = 3,
01327         .log2_chroma_w = 1,
01328         .log2_chroma_h = 0,
01329         .comp = {
01330             { 0, 1, 1, 0, 11 },        /* Y */
01331             { 1, 1, 1, 0, 11 },        /* U */
01332             { 2, 1, 1, 0, 11 },        /* V */
01333         },
01334         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01335     },
01336     [AV_PIX_FMT_YUV422P14LE] = {
01337         .name = "yuv422p14le",
01338         .nb_components = 3,
01339         .log2_chroma_w = 1,
01340         .log2_chroma_h = 0,
01341         .comp = {
01342             { 0, 1, 1, 0, 13 },        /* Y */
01343             { 1, 1, 1, 0, 13 },        /* U */
01344             { 2, 1, 1, 0, 13 },        /* V */
01345         },
01346         .flags = PIX_FMT_PLANAR,
01347     },
01348     [AV_PIX_FMT_YUV422P14BE] = {
01349         .name = "yuv422p14be",
01350         .nb_components = 3,
01351         .log2_chroma_w = 1,
01352         .log2_chroma_h = 0,
01353         .comp = {
01354             { 0, 1, 1, 0, 13 },        /* Y */
01355             { 1, 1, 1, 0, 13 },        /* U */
01356             { 2, 1, 1, 0, 13 },        /* V */
01357         },
01358         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01359     },
01360     [AV_PIX_FMT_YUV422P16LE] = {
01361         .name = "yuv422p16le",
01362         .nb_components = 3,
01363         .log2_chroma_w = 1,
01364         .log2_chroma_h = 0,
01365         .comp = {
01366             { 0, 1, 1, 0, 15 },        /* Y */
01367             { 1, 1, 1, 0, 15 },        /* U */
01368             { 2, 1, 1, 0, 15 },        /* V */
01369         },
01370         .flags = PIX_FMT_PLANAR,
01371     },
01372     [AV_PIX_FMT_YUV422P16BE] = {
01373         .name = "yuv422p16be",
01374         .nb_components = 3,
01375         .log2_chroma_w = 1,
01376         .log2_chroma_h = 0,
01377         .comp = {
01378             { 0, 1, 1, 0, 15 },        /* Y */
01379             { 1, 1, 1, 0, 15 },        /* U */
01380             { 2, 1, 1, 0, 15 },        /* V */
01381         },
01382         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01383     },
01384     [AV_PIX_FMT_YUV444P16LE] = {
01385         .name = "yuv444p16le",
01386         .nb_components = 3,
01387         .log2_chroma_w = 0,
01388         .log2_chroma_h = 0,
01389         .comp = {
01390             { 0, 1, 1, 0, 15 },        /* Y */
01391             { 1, 1, 1, 0, 15 },        /* U */
01392             { 2, 1, 1, 0, 15 },        /* V */
01393         },
01394         .flags = PIX_FMT_PLANAR,
01395     },
01396     [AV_PIX_FMT_YUV444P16BE] = {
01397         .name = "yuv444p16be",
01398         .nb_components = 3,
01399         .log2_chroma_w = 0,
01400         .log2_chroma_h = 0,
01401         .comp = {
01402             { 0, 1, 1, 0, 15 },        /* Y */
01403             { 1, 1, 1, 0, 15 },        /* U */
01404             { 2, 1, 1, 0, 15 },        /* V */
01405         },
01406         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01407     },
01408     [AV_PIX_FMT_YUV444P10LE] = {
01409         .name = "yuv444p10le",
01410         .nb_components = 3,
01411         .log2_chroma_w = 0,
01412         .log2_chroma_h = 0,
01413         .comp = {
01414             { 0, 1, 1, 0, 9 },        /* Y */
01415             { 1, 1, 1, 0, 9 },        /* U */
01416             { 2, 1, 1, 0, 9 },        /* V */
01417         },
01418         .flags = PIX_FMT_PLANAR,
01419     },
01420     [AV_PIX_FMT_YUV444P10BE] = {
01421         .name = "yuv444p10be",
01422         .nb_components = 3,
01423         .log2_chroma_w = 0,
01424         .log2_chroma_h = 0,
01425         .comp = {
01426             { 0, 1, 1, 0, 9 },        /* Y */
01427             { 1, 1, 1, 0, 9 },        /* U */
01428             { 2, 1, 1, 0, 9 },        /* V */
01429         },
01430         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01431     },
01432     [AV_PIX_FMT_YUV444P9LE] = {
01433         .name = "yuv444p9le",
01434         .nb_components = 3,
01435         .log2_chroma_w = 0,
01436         .log2_chroma_h = 0,
01437         .comp = {
01438             { 0, 1, 1, 0, 8 },        /* Y */
01439             { 1, 1, 1, 0, 8 },        /* U */
01440             { 2, 1, 1, 0, 8 },        /* V */
01441         },
01442         .flags = PIX_FMT_PLANAR,
01443     },
01444     [AV_PIX_FMT_YUV444P9BE] = {
01445         .name = "yuv444p9be",
01446         .nb_components = 3,
01447         .log2_chroma_w = 0,
01448         .log2_chroma_h = 0,
01449         .comp = {
01450             { 0, 1, 1, 0, 8 },        /* Y */
01451             { 1, 1, 1, 0, 8 },        /* U */
01452             { 2, 1, 1, 0, 8 },        /* V */
01453         },
01454         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01455     },
01456     [AV_PIX_FMT_YUV444P12LE] = {
01457         .name = "yuv444p12le",
01458         .nb_components = 3,
01459         .log2_chroma_w = 0,
01460         .log2_chroma_h = 0,
01461         .comp = {
01462             { 0, 1, 1, 0, 11 },        /* Y */
01463             { 1, 1, 1, 0, 11 },        /* U */
01464             { 2, 1, 1, 0, 11 },        /* V */
01465         },
01466         .flags = PIX_FMT_PLANAR,
01467     },
01468     [AV_PIX_FMT_YUV444P12BE] = {
01469         .name = "yuv444p12be",
01470         .nb_components = 3,
01471         .log2_chroma_w = 0,
01472         .log2_chroma_h = 0,
01473         .comp = {
01474             { 0, 1, 1, 0, 11 },        /* Y */
01475             { 1, 1, 1, 0, 11 },        /* U */
01476             { 2, 1, 1, 0, 11 },        /* V */
01477         },
01478         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01479     },
01480     [AV_PIX_FMT_YUV444P14LE] = {
01481         .name = "yuv444p14le",
01482         .nb_components = 3,
01483         .log2_chroma_w = 0,
01484         .log2_chroma_h = 0,
01485         .comp = {
01486             { 0, 1, 1, 0, 13 },        /* Y */
01487             { 1, 1, 1, 0, 13 },        /* U */
01488             { 2, 1, 1, 0, 13 },        /* V */
01489         },
01490         .flags = PIX_FMT_PLANAR,
01491     },
01492     [AV_PIX_FMT_YUV444P14BE] = {
01493         .name = "yuv444p14be",
01494         .nb_components = 3,
01495         .log2_chroma_w = 0,
01496         .log2_chroma_h = 0,
01497         .comp = {
01498             { 0, 1, 1, 0, 13 },        /* Y */
01499             { 1, 1, 1, 0, 13 },        /* U */
01500             { 2, 1, 1, 0, 13 },        /* V */
01501         },
01502         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
01503     },
01504     [AV_PIX_FMT_DXVA2_VLD] = {
01505         .name = "dxva2_vld",
01506         .log2_chroma_w = 1,
01507         .log2_chroma_h = 1,
01508         .flags = PIX_FMT_HWACCEL,
01509     },
01510     [AV_PIX_FMT_VDA_VLD] = {
01511         .name = "vda_vld",
01512         .log2_chroma_w = 1,
01513         .log2_chroma_h = 1,
01514         .flags = PIX_FMT_HWACCEL,
01515     },
01516     [AV_PIX_FMT_GRAY8A] = {
01517         .name = "gray8a",
01518         .nb_components = 2,
01519         .comp = {
01520             { 0, 1, 1, 0, 7 },        /* Y */
01521             { 0, 1, 2, 0, 7 },        /* A */
01522         },
01523         .flags = PIX_FMT_ALPHA,
01524     },
01525     [AV_PIX_FMT_GBRP] = {
01526         .name = "gbrp",
01527         .nb_components = 3,
01528         .log2_chroma_w = 0,
01529         .log2_chroma_h = 0,
01530         .comp = {
01531             { 2, 0, 1, 0, 7 },        /* R */
01532             { 0, 0, 1, 0, 7 },        /* G */
01533             { 1, 0, 1, 0, 7 },        /* B */
01534         },
01535         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01536     },
01537     [AV_PIX_FMT_GBRP9LE] = {
01538         .name = "gbrp9le",
01539         .nb_components = 3,
01540         .log2_chroma_w = 0,
01541         .log2_chroma_h = 0,
01542         .comp = {
01543             { 2, 1, 1, 0, 8 },        /* R */
01544             { 0, 1, 1, 0, 8 },        /* G */
01545             { 1, 1, 1, 0, 8 },        /* B */
01546         },
01547         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01548     },
01549     [AV_PIX_FMT_GBRP9BE] = {
01550         .name = "gbrp9be",
01551         .nb_components = 3,
01552         .log2_chroma_w = 0,
01553         .log2_chroma_h = 0,
01554         .comp = {
01555             { 2, 1, 1, 0, 8 },        /* R */
01556             { 0, 1, 1, 0, 8 },        /* G */
01557             { 1, 1, 1, 0, 8 },        /* B */
01558         },
01559         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
01560     },
01561     [AV_PIX_FMT_GBRP10LE] = {
01562         .name = "gbrp10le",
01563         .nb_components = 3,
01564         .log2_chroma_w = 0,
01565         .log2_chroma_h = 0,
01566         .comp = {
01567             { 2, 1, 1, 0, 9 },        /* R */
01568             { 0, 1, 1, 0, 9 },        /* G */
01569             { 1, 1, 1, 0, 9 },        /* B */
01570         },
01571         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01572     },
01573     [AV_PIX_FMT_GBRP10BE] = {
01574         .name = "gbrp10be",
01575         .nb_components = 3,
01576         .log2_chroma_w = 0,
01577         .log2_chroma_h = 0,
01578         .comp = {
01579             { 2, 1, 1, 0, 9 },        /* R */
01580             { 0, 1, 1, 0, 9 },        /* G */
01581             { 1, 1, 1, 0, 9 },        /* B */
01582         },
01583         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
01584     },
01585     [AV_PIX_FMT_GBRP12LE] = {
01586         .name = "gbrp12le",
01587         .nb_components = 3,
01588         .log2_chroma_w = 0,
01589         .log2_chroma_h = 0,
01590         .comp = {
01591             { 2, 1, 1, 0, 11 },        /* R */
01592             { 0, 1, 1, 0, 11 },        /* G */
01593             { 1, 1, 1, 0, 11 },        /* B */
01594         },
01595         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01596     },
01597     [AV_PIX_FMT_GBRP12BE] = {
01598         .name = "gbrp12be",
01599         .nb_components = 3,
01600         .log2_chroma_w = 0,
01601         .log2_chroma_h = 0,
01602         .comp = {
01603             { 2, 1, 1, 0, 11 },        /* R */
01604             { 0, 1, 1, 0, 11 },        /* G */
01605             { 1, 1, 1, 0, 11 },        /* B */
01606         },
01607         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
01608     },
01609     [AV_PIX_FMT_GBRP14LE] = {
01610         .name = "gbrp14le",
01611         .nb_components = 3,
01612         .log2_chroma_w = 0,
01613         .log2_chroma_h = 0,
01614         .comp = {
01615             { 2, 1, 1, 0, 13 },        /* R */
01616             { 0, 1, 1, 0, 13 },        /* G */
01617             { 1, 1, 1, 0, 13 },        /* B */
01618         },
01619         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01620     },
01621     [AV_PIX_FMT_GBRP14BE] = {
01622         .name = "gbrp14be",
01623         .nb_components = 3,
01624         .log2_chroma_w = 0,
01625         .log2_chroma_h = 0,
01626         .comp = {
01627             { 2, 1, 1, 0, 13 },        /* R */
01628             { 0, 1, 1, 0, 13 },        /* G */
01629             { 1, 1, 1, 0, 13 },        /* B */
01630         },
01631         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
01632     },
01633     [AV_PIX_FMT_GBRP16LE] = {
01634         .name = "gbrp16le",
01635         .nb_components = 3,
01636         .log2_chroma_w = 0,
01637         .log2_chroma_h = 0,
01638         .comp = {
01639             { 2, 1, 1, 0, 15 },       /* R */
01640             { 0, 1, 1, 0, 15 },       /* G */
01641             { 1, 1, 1, 0, 15 },       /* B */
01642         },
01643         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
01644     },
01645     [AV_PIX_FMT_GBRP16BE] = {
01646         .name = "gbrp16be",
01647         .nb_components = 3,
01648         .log2_chroma_w = 0,
01649         .log2_chroma_h = 0,
01650         .comp = {
01651             { 2, 1, 1, 0, 15 },       /* R */
01652             { 0, 1, 1, 0, 15 },       /* G */
01653             { 1, 1, 1, 0, 15 },       /* B */
01654         },
01655         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
01656     },
01657 };
01658 
01659 static enum AVPixelFormat get_pix_fmt_internal(const char *name)
01660 {
01661     enum AVPixelFormat pix_fmt;
01662 
01663     for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++)
01664         if (av_pix_fmt_descriptors[pix_fmt].name &&
01665             !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))
01666             return pix_fmt;
01667 
01668     return AV_PIX_FMT_NONE;
01669 }
01670 
01671 const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
01672 {
01673     return (unsigned)pix_fmt < AV_PIX_FMT_NB ?
01674         av_pix_fmt_descriptors[pix_fmt].name : NULL;
01675 }
01676 
01677 #if HAVE_BIGENDIAN
01678 #   define X_NE(be, le) be
01679 #else
01680 #   define X_NE(be, le) le
01681 #endif
01682 
01683 enum AVPixelFormat av_get_pix_fmt(const char *name)
01684 {
01685     enum AVPixelFormat pix_fmt;
01686 
01687     if (!strcmp(name, "rgb32"))
01688         name = X_NE("argb", "bgra");
01689     else if (!strcmp(name, "bgr32"))
01690         name = X_NE("abgr", "rgba");
01691 
01692     pix_fmt = get_pix_fmt_internal(name);
01693     if (pix_fmt == AV_PIX_FMT_NONE) {
01694         char name2[32];
01695 
01696         snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
01697         pix_fmt = get_pix_fmt_internal(name2);
01698     }
01699     return pix_fmt;
01700 }
01701 
01702 int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
01703 {
01704     int c, bits = 0;
01705     int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
01706 
01707     for (c = 0; c < pixdesc->nb_components; c++) {
01708         int s = c == 1 || c == 2 ? 0 : log2_pixels;
01709         bits += (pixdesc->comp[c].depth_minus1 + 1) << s;
01710     }
01711 
01712     return bits >> log2_pixels;
01713 }
01714 
01715 int av_get_padded_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
01716 {
01717     int c, bits = 0;
01718     int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
01719     int steps[4] = {0};
01720 
01721     for (c = 0; c < pixdesc->nb_components; c++) {
01722         AVComponentDescriptor *comp = &pixdesc->comp[c];
01723         int s = c == 1 || c == 2 ? 0 : log2_pixels;
01724         steps[comp->plane] = (comp->step_minus1 + 1) << s;
01725     }
01726     for (c = 0; c < 4; c++)
01727         bits += steps[c];
01728 
01729     if(!(pixdesc->flags & PIX_FMT_BITSTREAM))
01730         bits *= 8;
01731 
01732     return bits >> log2_pixels;
01733 }
01734 
01735 char *av_get_pix_fmt_string (char *buf, int buf_size, enum AVPixelFormat pix_fmt)
01736 {
01737     /* print header */
01738     if (pix_fmt < 0) {
01739        snprintf (buf, buf_size, "name" " nb_components" " nb_bits");
01740     } else {
01741         const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt];
01742         snprintf(buf, buf_size, "%-11s %7d %10d", pixdesc->name,
01743                  pixdesc->nb_components, av_get_bits_per_pixel(pixdesc));
01744     }
01745 
01746     return buf;
01747 }
01748 
01749 const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
01750 {
01751     if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)
01752         return NULL;
01753     return &av_pix_fmt_descriptors[pix_fmt];
01754 }
01755 
01756 const AVPixFmtDescriptor *av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev)
01757 {
01758     if (!prev)
01759         return &av_pix_fmt_descriptors[0];
01760     if (prev - av_pix_fmt_descriptors < FF_ARRAY_ELEMS(av_pix_fmt_descriptors) - 1)
01761         return prev + 1;
01762     return NULL;
01763 }
01764 
01765 enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc)
01766 {
01767     if (desc < av_pix_fmt_descriptors ||
01768         desc >= av_pix_fmt_descriptors + FF_ARRAY_ELEMS(av_pix_fmt_descriptors))
01769         return AV_PIX_FMT_NONE;
01770 
01771     return desc - av_pix_fmt_descriptors;
01772 }
01773 
01774 int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,
01775                                      int *h_shift, int *v_shift)
01776 {
01777     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
01778     if (!desc)
01779         return AVERROR(ENOSYS);
01780     *h_shift = desc->log2_chroma_w;
01781     *v_shift = desc->log2_chroma_h;
01782 
01783     return 0;
01784 }