libvaapi/VaapiImageFormat.h

   1 // VaapiImageFormat.h: VA image format abstraction
   2 //
   3 // Copyright (C) 2009, 2010, 2011 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 #ifndef GNASH_VAAPIIMAGEFORMAT_H
  21 #define GNASH_VAAPIIMAGEFORMAT_H
  22
  23 #include "dsodefs.h"
  24 #include "vaapi_common.h"
  25
  26 /// Color spaces
  27 enum VaapiColorspace {
  28     VAAPI_COLORSPACE_UNKNOWN,   /// Unknown colorspace
  29     VAAPI_COLORSPACE_YUV,       /// YUV colorspace
  30     VAAPI_COLORSPACE_RGB        /// RGB colorspace
  31 };
  32
  33 /// Image types
  34 enum VaapiImageFormat {
  35     /// Best format for the underlying hardware
  36     VAAPI_IMAGE_NONE  = 0,
  37     /// Planar YUV 4:2:0, 12-bit, 1 plane for Y and 1 plane for UV
  38     VAAPI_IMAGE_NV12  = VA_FOURCC('N','V','1','2'),
  39     /// Planar YUV 4:2:0, 12-bit, 3 planes for Y V U
  40     VAAPI_IMAGE_YV12  = VA_FOURCC('Y','V','1','2'),
  41     /// Planar YUV 4:2:0, 12-bit, 3 planes for Y U V
  42     VAAPI_IMAGE_I420  = VA_FOURCC('I','4','2','0'),
  43     /// Packed RGB 8:8:8, 32-bit, A R G B
  44     VAAPI_IMAGE_ARGB  = VA_FOURCC('A','R','G','B'),
  45     /// Packed RGB 8:8:8, 32-bit, R G B A
  46     VAAPI_IMAGE_RGBA  = VA_FOURCC('R','G','B','A'),
  47     /// Packed RGB 8:8:8, 32-bit, A R G B
  48     VAAPI_IMAGE_ABGR  = VA_FOURCC('A','B','G','R'),
  49     /// Packed RGB 8:8:8, 32-bit, R G B A
  50     VAAPI_IMAGE_BGRA  = VA_FOURCC('B','G','R','A'),
  51     /// Packed RGB 8:8:8, 32-bit, A R G B, native endian byte-order
  52     VAAPI_IMAGE_RGB32 = VA_FOURCC('R','G','B', 32),
  53     /// Packed RGB 8:8:8, 24-bit, R G B
  54     VAAPI_IMAGE_RGB24 = VA_FOURCC('R','G','B', 24)
  55 };
  56
  57 /// Get colorspace for the specified image format
  58 VaapiColorspace DSOEXPORT
  59 vaapi_image_format_get_colorspace(VaapiImageFormat format);
  60
  61 /// Check whether image format is RGB
  62 static inline bool vaapi_image_format_is_rgb(VaapiImageFormat format)
  63 {
  64     return vaapi_image_format_get_colorspace(format) == VAAPI_COLORSPACE_RGB;
  65 }
  66
  67 /// Check whether image format is YUV
  68 static inline bool vaapi_image_format_is_yuv(VaapiImageFormat format)
  69 {
  70     return vaapi_image_format_get_colorspace(format) == VAAPI_COLORSPACE_YUV;
  71 }
  72
  73 /// Return image format from a VA image format
  74 VaapiImageFormat vaapi_get_image_format(VAImageFormat const &format);
  75
  76 #endif // GNASH_VAAPIIMAGEFORMAT_H
  77
  78 // local Variables:
  79 // mode: C++
  80 // indent-tabs-mode: nil
  81 // End:
  82
  83