libvaapi/VaapiImageFormat.cpp

   1 // VaapiImageFormat.cpp: VA image format abstraction
   2 //
   3 // Copyright (C) 2009, 2010 Free Software Foundation, Inc.
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18 //
  19
  20 #include "VaapiImageFormat.h"
  21
  22 // Get colorspace for the specified image format
  23 VaapiColorspace vaapi_image_format_get_colorspace(VaapiImageFormat format)
  24 {
  25     switch (format) {
  26     case VAAPI_IMAGE_NV12:
  27     case VAAPI_IMAGE_YV12:
  28     case VAAPI_IMAGE_I420:
  29         return VAAPI_COLORSPACE_YUV;
  30     case VAAPI_IMAGE_ARGB:
  31     case VAAPI_IMAGE_RGBA:
  32     case VAAPI_IMAGE_ABGR:
  33     case VAAPI_IMAGE_BGRA:
  34     case VAAPI_IMAGE_RGB32:
  35     case VAAPI_IMAGE_RGB24:
  36         return VAAPI_COLORSPACE_RGB;
  37     default:;
  38     }
  39     return VAAPI_COLORSPACE_UNKNOWN;
  40 }
  41
  42 // Return image format from a VA image format
  43 VaapiImageFormat vaapi_get_image_format(VAImageFormat const &format)
  44 {
  45     // XXX: check RGB formats and endianess
  46     return static_cast<VaapiImageFormat>(format.fourcc);
  47 }
  48
  49 // local Variables:
  50 // mode: C++
  51 // indent-tabs-mode: nil
  52 // End:
  53