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
  23 const char *vo_format_name(int format)
  24 {
  25     static char unknown_format[20];
  26     switch(format)
  27     {
  28         case IMGFMT_RGB1: return "RGB 1-bit";
  29         case IMGFMT_RGB4: return "RGB 4-bit";
  30         case IMGFMT_RG4B: return "RGB 4-bit per byte";
  31         case IMGFMT_RGB8: return "RGB 8-bit";
  32         case IMGFMT_RGB12: return "RGB 12-bit";
  33         case IMGFMT_RGB15: return "RGB 15-bit";
  34         case IMGFMT_RGB16: return "RGB 16-bit";
  35         case IMGFMT_RGB24: return "RGB 24-bit";
  36 //      case IMGFMT_RGB32: return "RGB 32-bit";
  37         case IMGFMT_RGB48LE: return "RGB 48-bit LE";
  38         case IMGFMT_RGB48BE: return "RGB 48-bit BE";
  39         case IMGFMT_BGR1: return "BGR 1-bit";
  40         case IMGFMT_BGR4: return "BGR 4-bit";
  41         case IMGFMT_BG4B: return "BGR 4-bit per byte";
  42         case IMGFMT_BGR8: return "BGR 8-bit";
  43         case IMGFMT_BGR12: return "BGR 12-bit";
  44         case IMGFMT_BGR15: return "BGR 15-bit";
  45         case IMGFMT_BGR16: return "BGR 16-bit";
  46         case IMGFMT_BGR24: return "BGR 24-bit";
  47 //      case IMGFMT_BGR32: return "BGR 32-bit";
  48         case IMGFMT_ABGR: return "ABGR";
  49         case IMGFMT_BGRA: return "BGRA";
  50         case IMGFMT_ARGB: return "ARGB";
  51         case IMGFMT_RGBA: return "RGBA";
  52         case IMGFMT_YVU9: return "Planar YVU9";
  53         case IMGFMT_IF09: return "Planar IF09";
  54         case IMGFMT_YV12: return "Planar YV12";
  55         case IMGFMT_I420: return "Planar I420";
  56         case IMGFMT_IYUV: return "Planar IYUV";
  57         case IMGFMT_CLPL: return "Planar CLPL";
  58         case IMGFMT_Y800: return "Planar Y800";
  59         case IMGFMT_Y8: return "Planar Y8";
  60         case IMGFMT_420P16_LE: return "Planar 420P 16-bit little-endian";
  61         case IMGFMT_420P16_BE: return "Planar 420P 16-bit big-endian";
  62         case IMGFMT_422P16_LE: return "Planar 422P 16-bit little-endian";
  63         case IMGFMT_422P16_BE: return "Planar 422P 16-bit big-endian";
  64         case IMGFMT_444P16_LE: return "Planar 444P 16-bit little-endian";
  65         case IMGFMT_444P16_BE: return "Planar 444P 16-bit big-endian";
  66         case IMGFMT_420A: return "Planar 420P with alpha";
  67         case IMGFMT_444P: return "Planar 444P";
  68         case IMGFMT_422P: return "Planar 422P";
  69         case IMGFMT_411P: return "Planar 411P";
  70         case IMGFMT_NV12: return "Planar NV12";
  71         case IMGFMT_NV21: return "Planar NV21";
  72         case IMGFMT_HM12: return "Planar NV12 Macroblock";
  73         case IMGFMT_IUYV: return "Packed IUYV";
  74         case IMGFMT_IY41: return "Packed IY41";
  75         case IMGFMT_IYU1: return "Packed IYU1";
  76         case IMGFMT_IYU2: return "Packed IYU2";
  77         case IMGFMT_UYVY: return "Packed UYVY";
  78         case IMGFMT_UYNV: return "Packed UYNV";
  79         case IMGFMT_cyuv: return "Packed CYUV";
  80         case IMGFMT_Y422: return "Packed Y422";
  81         case IMGFMT_YUY2: return "Packed YUY2";
  82         case IMGFMT_YUNV: return "Packed YUNV";
  83         case IMGFMT_YVYU: return "Packed YVYU";
  84         case IMGFMT_Y41P: return "Packed Y41P";
  85         case IMGFMT_Y211: return "Packed Y211";
  86         case IMGFMT_Y41T: return "Packed Y41T";
  87         case IMGFMT_Y42T: return "Packed Y42T";
  88         case IMGFMT_V422: return "Packed V422";
  89         case IMGFMT_V655: return "Packed V655";
  90         case IMGFMT_CLJR: return "Packed CLJR";
  91         case IMGFMT_YUVP: return "Packed YUVP";
  92         case IMGFMT_UYVP: return "Packed UYVP";
  93         case IMGFMT_MPEGPES: return "Mpeg PES";
  94         case IMGFMT_ZRMJPEGNI: return "Zoran MJPEG non-interlaced";
  95         case IMGFMT_ZRMJPEGIT: return "Zoran MJPEG top field first";
  96         case IMGFMT_ZRMJPEGIB: return "Zoran MJPEG bottom field first";
  97         case IMGFMT_XVMC_MOCO_MPEG2: return "MPEG1/2 Motion Compensation";
  98         case IMGFMT_XVMC_IDCT_MPEG2: return "MPEG1/2 Motion Compensation and IDCT";
  99         case IMGFMT_VDPAU_MPEG1: return "MPEG1 VDPAU acceleration";
 100         case IMGFMT_VDPAU_MPEG2: return "MPEG2 VDPAU acceleration";
 101         case IMGFMT_VDPAU_H264: return "H.264 VDPAU acceleration";
 102         case IMGFMT_VDPAU_MPEG4: return "MPEG-4 Part 2 VDPAU acceleration";
 103         case IMGFMT_VDPAU_WMV3: return "WMV3 VDPAU acceleration";
 104         case IMGFMT_VDPAU_VC1: return "VC1 VDPAU acceleration";
 105     }
 106     snprintf(unknown_format,20,"Unknown 0x%04x",format);
 107     return unknown_format;
 108 }
 109
 110 int mp_get_chroma_shift(int format, int *x_shift, int *y_shift)
 111 {
 112     int xs = 0, ys = 0;
 113     int bpp;
 114     int bpp_factor = 1;
 115     int err = 0;
 116     switch (format) {
 117     case IMGFMT_420P16_LE:
 118     case IMGFMT_420P16_BE:
 119         bpp_factor = 2;
 120     case IMGFMT_420A:
 121     case IMGFMT_I420:
 122     case IMGFMT_IYUV:
 123     case IMGFMT_YV12:
 124         xs = 1;
 125         ys = 1;
 126         break;
 127     case IMGFMT_IF09:
 128     case IMGFMT_YVU9:
 129         xs = 2;
 130         ys = 2;
 131         break;
 132     case IMGFMT_444P16_LE:
 133     case IMGFMT_444P16_BE:
 134         bpp_factor = 2;
 135     case IMGFMT_444P:
 136         xs = 0;
 137         ys = 0;
 138         break;
 139     case IMGFMT_422P16_LE:
 140     case IMGFMT_422P16_BE:
 141         bpp_factor = 2;
 142     case IMGFMT_422P:
 143         xs = 1;
 144         ys = 0;
 145         break;
 146     case IMGFMT_411P:
 147         xs = 2;
 148         ys = 0;
 149         break;
 150     case IMGFMT_440P:
 151         xs = 0;
 152         ys = 1;
 153         break;
 154     case IMGFMT_Y8:
 155     case IMGFMT_Y800:
 156         xs = 31;
 157         ys = 31;
 158         break;
 159     default:
 160         err = 1;
 161         break;
 162     }
 163     if (x_shift) *x_shift = xs;
 164     if (y_shift) *y_shift = ys;
 165     bpp = 8 + ((16 >> xs) >> ys);
 166     if (format == IMGFMT_420A)
 167         bpp += 8;
 168     bpp *= bpp_factor;
 169     return err ? 0 : bpp;
 170 }