libmpcodecs/img_format.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include "config.h"
  20 #include "img_format.h"
  21 #include "stdio.h"
  22 #include "mpbswap.h"
  23
  24 const char *vo_format_name(int format)
  25 {
  26     static char unknown_format[20];
  27     switch(format)
  28     {
  29         case IMGFMT_RGB1: return "RGB 1-bit";
  30         case IMGFMT_RGB4: return "RGB 4-bit";
  31         case IMGFMT_RG4B: return "RGB 4-bit per byte";
  32         case IMGFMT_RGB8: return "RGB 8-bit";
  33         case IMGFMT_RGB12: return "RGB 12-bit";
  34         case IMGFMT_RGB15: return "RGB 15-bit";
  35         case IMGFMT_RGB16: return "RGB 16-bit";
  36         case IMGFMT_RGB24: return "RGB 24-bit";
  37 //      case IMGFMT_RGB32: return "RGB 32-bit";
  38         case IMGFMT_RGB48LE: return "RGB 48-bit LE";
  39         case IMGFMT_RGB48BE: return "RGB 48-bit BE";
  40         case IMGFMT_BGR1: return "BGR 1-bit";
  41         case IMGFMT_BGR4: return "BGR 4-bit";
  42         case IMGFMT_BG4B: return "BGR 4-bit per byte";
  43         case IMGFMT_BGR8: return "BGR 8-bit";
  44         case IMGFMT_BGR12: return "BGR 12-bit";
  45         case IMGFMT_BGR15: return "BGR 15-bit";
  46         case IMGFMT_BGR16: return "BGR 16-bit";
  47         case IMGFMT_BGR24: return "BGR 24-bit";
  48 //      case IMGFMT_BGR32: return "BGR 32-bit";
  49         case IMGFMT_ABGR: return "ABGR";
  50         case IMGFMT_BGRA: return "BGRA";
  51         case IMGFMT_ARGB: return "ARGB";
  52         case IMGFMT_RGBA: return "RGBA";
  53         case IMGFMT_YVU9: return "Planar YVU9";
  54         case IMGFMT_IF09: return "Planar IF09";
  55         case IMGFMT_YV12: return "Planar YV12";
  56         case IMGFMT_I420: return "Planar I420";
  57         case IMGFMT_IYUV: return "Planar IYUV";
  58         case IMGFMT_CLPL: return "Planar CLPL";
  59         case IMGFMT_Y800: return "Planar Y800";
  60         case IMGFMT_Y8: return "Planar Y8";
  61         case IMGFMT_420P16_LE: return "Planar 420P 16-bit little-endian";
  62         case IMGFMT_420P16_BE: return "Planar 420P 16-bit big-endian";
  63         case IMGFMT_420P10_LE: return "Planar 420P 10-bit little-endian";
  64         case IMGFMT_420P10_BE: return "Planar 420P 10-bit big-endian";
  65         case IMGFMT_420P9_LE: return "Planar 420P 9-bit little-endian";
  66         case IMGFMT_420P9_BE: return "Planar 420P 9-bit big-endian";
  67         case IMGFMT_422P16_LE: return "Planar 422P 16-bit little-endian";
  68         case IMGFMT_422P16_BE: return "Planar 422P 16-bit big-endian";
  69         case IMGFMT_422P10_LE: return "Planar 422P 10-bit little-endian";
  70         case IMGFMT_422P10_BE: return "Planar 422P 10-bit big-endian";
  71         case IMGFMT_444P16_LE: return "Planar 444P 16-bit little-endian";
  72         case IMGFMT_444P16_BE: return "Planar 444P 16-bit big-endian";
  73         case IMGFMT_444P10_LE: return "Planar 444P 10-bit little-endian";
  74         case IMGFMT_444P10_BE: return "Planar 444P 10-bit big-endian";
  75         case IMGFMT_444P9_LE: return "Planar 444P 9-bit little-endian";
  76         case IMGFMT_444P9_BE: return "Planar 444P 9-bit big-endian";
  77         case IMGFMT_420A: return "Planar 420P with alpha";
  78         case IMGFMT_444P: return "Planar 444P";
  79         case IMGFMT_422P: return "Planar 422P";
  80         case IMGFMT_411P: return "Planar 411P";
  81         case IMGFMT_NV12: return "Planar NV12";
  82         case IMGFMT_NV21: return "Planar NV21";
  83         case IMGFMT_HM12: return "Planar NV12 Macroblock";
  84         case IMGFMT_IUYV: return "Packed IUYV";
  85         case IMGFMT_IY41: return "Packed IY41";
  86         case IMGFMT_IYU1: return "Packed IYU1";
  87         case IMGFMT_IYU2: return "Packed IYU2";
  88         case IMGFMT_UYVY: return "Packed UYVY";
  89         case IMGFMT_UYNV: return "Packed UYNV";
  90         case IMGFMT_cyuv: return "Packed CYUV";
  91         case IMGFMT_Y422: return "Packed Y422";
  92         case IMGFMT_YUY2: return "Packed YUY2";
  93         case IMGFMT_YUNV: return "Packed YUNV";
  94         case IMGFMT_YVYU: return "Packed YVYU";
  95         case IMGFMT_Y41P: return "Packed Y41P";
  96         case IMGFMT_Y211: return "Packed Y211";
  97         case IMGFMT_Y41T: return "Packed Y41T";
  98         case IMGFMT_Y42T: return "Packed Y42T";
  99         case IMGFMT_V422: return "Packed V422";
 100         case IMGFMT_V655: return "Packed V655";
 101         case IMGFMT_CLJR: return "Packed CLJR";
 102         case IMGFMT_YUVP: return "Packed YUVP";
 103         case IMGFMT_UYVP: return "Packed UYVP";
 104         case IMGFMT_MPEGPES: return "Mpeg PES";
 105         case IMGFMT_ZRMJPEGNI: return "Zoran MJPEG non-interlaced";
 106         case IMGFMT_ZRMJPEGIT: return "Zoran MJPEG top field first";
 107         case IMGFMT_ZRMJPEGIB: return "Zoran MJPEG bottom field first";
 108         case IMGFMT_XVMC_MOCO_MPEG2: return "MPEG1/2 Motion Compensation";
 109         case IMGFMT_XVMC_IDCT_MPEG2: return "MPEG1/2 Motion Compensation and IDCT";
 110         case IMGFMT_VDPAU_MPEG1: return "MPEG1 VDPAU acceleration";
 111         case IMGFMT_VDPAU_MPEG2: return "MPEG2 VDPAU acceleration";
 112         case IMGFMT_VDPAU_H264: return "H.264 VDPAU acceleration";
 113         case IMGFMT_VDPAU_MPEG4: return "MPEG-4 Part 2 VDPAU acceleration";
 114         case IMGFMT_VDPAU_WMV3: return "WMV3 VDPAU acceleration";
 115         case IMGFMT_VDPAU_VC1: return "VC1 VDPAU acceleration";
 116     }
 117     snprintf(unknown_format,20,"Unknown 0x%04x",format);
 118     return unknown_format;
 119 }
 120
 121 int mp_get_chroma_shift(int format, int *x_shift, int *y_shift, int *component_bits)
 122 {
 123     int xs = 0, ys = 0;
 124     int bpp;
 125     int err = 0;
 126     int bits = 8;
 127     if ((format & 0xff0000f0) == 0x34000050)
 128         format = bswap_32(format);
 129     if ((format & 0xf00000ff) == 0x50000034) {
 130         switch (format >> 24) {
 131         case 0x50:
 132             break;
 133         case 0x51:
 134             bits = 16;
 135             break;
 136         case 0x52:
 137             bits = 10;
 138             break;
 139         case 0x53:
 140             bits = 9;
 141             break;
 142         default:
 143             err = 1;
 144             break;
 145         }
 146         switch (format & 0x00ffffff) {
 147         case 0x00343434: // 444
 148             xs = 0;
 149             ys = 0;
 150             break;
 151         case 0x00323234: // 422
 152             xs = 1;
 153             ys = 0;
 154             break;
 155         case 0x00303234: // 420
 156             xs = 1;
 157             ys = 1;
 158             break;
 159         case 0x00313134: // 411
 160             xs = 2;
 161             ys = 0;
 162             break;
 163         case 0x00303434: // 440
 164             xs = 0;
 165             ys = 1;
 166             break;
 167         default:
 168             err = 1;
 169             break;
 170         }
 171     } else switch (format) {
 172     case IMGFMT_420A:
 173     case IMGFMT_I420:
 174     case IMGFMT_IYUV:
 175     case IMGFMT_YV12:
 176         xs = 1;
 177         ys = 1;
 178         break;
 179     case IMGFMT_IF09:
 180     case IMGFMT_YVU9:
 181         xs = 2;
 182         ys = 2;
 183         break;
 184     case IMGFMT_Y8:
 185     case IMGFMT_Y800:
 186         xs = 31;
 187         ys = 31;
 188         break;
 189     default:
 190         err = 1;
 191         break;
 192     }
 193     if (x_shift) *x_shift = xs;
 194     if (y_shift) *y_shift = ys;
 195     if (component_bits) *component_bits = bits;
 196     bpp = 8 + ((16 >> xs) >> ys);
 197     if (format == IMGFMT_420A)
 198         bpp += 8;
 199     bpp *= (bits + 7) >> 3;
 200     return err ? 0 : bpp;
 201 }