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libavfilter/libmpcodecs/img_format.c

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00001 /*
00002  * This file is part of MPlayer.
00003  *
00004  * MPlayer is free software; you can redistribute it and/or modify
00005  * it under the terms of the GNU General Public License as published by
00006  * the Free Software Foundation; either version 2 of the License, or
00007  * (at your option) any later version.
00008  *
00009  * MPlayer is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License along
00015  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
00016  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00017  */
00018 
00019 #include "config.h"
00020 #include "img_format.h"
00021 #include "stdio.h"
00022 
00023 const char *vo_format_name(int format)
00024 {
00025     static char unknown_format[20];
00026     switch(format)
00027     {
00028     case IMGFMT_RGB1: return "RGB 1-bit";
00029     case IMGFMT_RGB4: return "RGB 4-bit";
00030     case IMGFMT_RG4B: return "RGB 4-bit per byte";
00031     case IMGFMT_RGB8: return "RGB 8-bit";
00032     case IMGFMT_RGB12: return "RGB 12-bit";
00033     case IMGFMT_RGB15: return "RGB 15-bit";
00034     case IMGFMT_RGB16: return "RGB 16-bit";
00035     case IMGFMT_RGB24: return "RGB 24-bit";
00036 //  case IMGFMT_RGB32: return "RGB 32-bit";
00037     case IMGFMT_RGB48LE: return "RGB 48-bit LE";
00038     case IMGFMT_RGB48BE: return "RGB 48-bit BE";
00039     case IMGFMT_BGR1: return "BGR 1-bit";
00040     case IMGFMT_BGR4: return "BGR 4-bit";
00041     case IMGFMT_BG4B: return "BGR 4-bit per byte";
00042     case IMGFMT_BGR8: return "BGR 8-bit";
00043     case IMGFMT_BGR12: return "BGR 12-bit";
00044     case IMGFMT_BGR15: return "BGR 15-bit";
00045     case IMGFMT_BGR16: return "BGR 16-bit";
00046     case IMGFMT_BGR24: return "BGR 24-bit";
00047 //  case IMGFMT_BGR32: return "BGR 32-bit";
00048     case IMGFMT_ABGR: return "ABGR";
00049     case IMGFMT_BGRA: return "BGRA";
00050     case IMGFMT_ARGB: return "ARGB";
00051     case IMGFMT_RGBA: return "RGBA";
00052     case IMGFMT_YVU9: return "Planar YVU9";
00053     case IMGFMT_IF09: return "Planar IF09";
00054     case IMGFMT_YV12: return "Planar YV12";
00055     case IMGFMT_I420: return "Planar I420";
00056     case IMGFMT_IYUV: return "Planar IYUV";
00057     case IMGFMT_CLPL: return "Planar CLPL";
00058     case IMGFMT_Y800: return "Planar Y800";
00059     case IMGFMT_Y8: return "Planar Y8";
00060     case IMGFMT_420P16_LE: return "Planar 420P 16-bit little-endian";
00061     case IMGFMT_420P16_BE: return "Planar 420P 16-bit big-endian";
00062     case IMGFMT_422P16_LE: return "Planar 422P 16-bit little-endian";
00063     case IMGFMT_422P16_BE: return "Planar 422P 16-bit big-endian";
00064     case IMGFMT_444P16_LE: return "Planar 444P 16-bit little-endian";
00065     case IMGFMT_444P16_BE: return "Planar 444P 16-bit big-endian";
00066     case IMGFMT_420A: return "Planar 420P with alpha";
00067     case IMGFMT_444P: return "Planar 444P";
00068     case IMGFMT_422P: return "Planar 422P";
00069     case IMGFMT_411P: return "Planar 411P";
00070     case IMGFMT_NV12: return "Planar NV12";
00071     case IMGFMT_NV21: return "Planar NV21";
00072     case IMGFMT_HM12: return "Planar NV12 Macroblock";
00073     case IMGFMT_IUYV: return "Packed IUYV";
00074     case IMGFMT_IY41: return "Packed IY41";
00075     case IMGFMT_IYU1: return "Packed IYU1";
00076     case IMGFMT_IYU2: return "Packed IYU2";
00077     case IMGFMT_UYVY: return "Packed UYVY";
00078     case IMGFMT_UYNV: return "Packed UYNV";
00079     case IMGFMT_cyuv: return "Packed CYUV";
00080     case IMGFMT_Y422: return "Packed Y422";
00081     case IMGFMT_YUY2: return "Packed YUY2";
00082     case IMGFMT_YUNV: return "Packed YUNV";
00083     case IMGFMT_YVYU: return "Packed YVYU";
00084     case IMGFMT_Y41P: return "Packed Y41P";
00085     case IMGFMT_Y211: return "Packed Y211";
00086     case IMGFMT_Y41T: return "Packed Y41T";
00087     case IMGFMT_Y42T: return "Packed Y42T";
00088     case IMGFMT_V422: return "Packed V422";
00089     case IMGFMT_V655: return "Packed V655";
00090     case IMGFMT_CLJR: return "Packed CLJR";
00091     case IMGFMT_YUVP: return "Packed YUVP";
00092     case IMGFMT_UYVP: return "Packed UYVP";
00093     case IMGFMT_MPEGPES: return "Mpeg PES";
00094     case IMGFMT_ZRMJPEGNI: return "Zoran MJPEG non-interlaced";
00095     case IMGFMT_ZRMJPEGIT: return "Zoran MJPEG top field first";
00096     case IMGFMT_ZRMJPEGIB: return "Zoran MJPEG bottom field first";
00097     case IMGFMT_XVMC_MOCO_MPEG2: return "MPEG1/2 Motion Compensation";
00098     case IMGFMT_XVMC_IDCT_MPEG2: return "MPEG1/2 Motion Compensation and IDCT";
00099     case IMGFMT_VDPAU_MPEG1: return "MPEG1 VDPAU acceleration";
00100     case IMGFMT_VDPAU_MPEG2: return "MPEG2 VDPAU acceleration";
00101     case IMGFMT_VDPAU_H264: return "H.264 VDPAU acceleration";
00102     case IMGFMT_VDPAU_MPEG4: return "MPEG-4 Part 2 VDPAU acceleration";
00103     case IMGFMT_VDPAU_WMV3: return "WMV3 VDPAU acceleration";
00104     case IMGFMT_VDPAU_VC1: return "VC1 VDPAU acceleration";
00105     }
00106     snprintf(unknown_format,20,"Unknown 0x%04x",format);
00107     return unknown_format;
00108 }
00109 
00110 int mp_get_chroma_shift(int format, int *x_shift, int *y_shift)
00111 {
00112     int xs = 0, ys = 0;
00113     int bpp;
00114     int bpp_factor = 1;
00115     int err = 0;
00116     switch (format) {
00117     case IMGFMT_420P16_LE:
00118     case IMGFMT_420P16_BE:
00119         bpp_factor = 2;
00120     case IMGFMT_420A:
00121     case IMGFMT_I420:
00122     case IMGFMT_IYUV:
00123     case IMGFMT_YV12:
00124         xs = 1;
00125         ys = 1;
00126         break;
00127     case IMGFMT_IF09:
00128     case IMGFMT_YVU9:
00129         xs = 2;
00130         ys = 2;
00131         break;
00132     case IMGFMT_444P16_LE:
00133     case IMGFMT_444P16_BE:
00134         bpp_factor = 2;
00135     case IMGFMT_444P:
00136         xs = 0;
00137         ys = 0;
00138         break;
00139     case IMGFMT_422P16_LE:
00140     case IMGFMT_422P16_BE:
00141         bpp_factor = 2;
00142     case IMGFMT_422P:
00143         xs = 1;
00144         ys = 0;
00145         break;
00146     case IMGFMT_411P:
00147         xs = 2;
00148         ys = 0;
00149         break;
00150     case IMGFMT_440P:
00151         xs = 0;
00152         ys = 1;
00153         break;
00154     case IMGFMT_Y8:
00155     case IMGFMT_Y800:
00156         xs = 31;
00157         ys = 31;
00158         break;
00159     default:
00160         err = 1;
00161         break;
00162     }
00163     if (x_shift) *x_shift = xs;
00164     if (y_shift) *y_shift = ys;
00165     bpp = 8 + ((16 >> xs) >> ys);
00166     if (format == IMGFMT_420A)
00167         bpp += 8;
00168     bpp *= bpp_factor;
00169     return err ? 0 : bpp;
00170 }

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