libvaapi/VaapiGlobalContext.h

   1 // VaapiGlobalContext.h: VA API global context
   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 #ifndef GNASH_VAAPIGLOBALCONTEXT_H
  21 #define GNASH_VAAPIGLOBALCONTEXT_H
  22
  23 #include <vector>
  24
  25 #include "log.h"
  26 #include "vaapi_common.h"
  27 #include "VaapiDisplay.h"
  28 #include "VaapiImageFormat.h"
  29
  30 namespace gnash {
  31
  32 /// VA API global context
  33 class DSOEXPORT VaapiGlobalContext {
  34     std::auto_ptr<VaapiDisplay> _display;
  35     std::vector<VAProfile>      _profiles;
  36     std::vector<VAImageFormat>  _image_formats;
  37     std::vector<VAImageFormat>  _subpicture_formats;
  38
  39     bool init();
  40
  41 public:
  42     VaapiGlobalContext(std::auto_ptr<VaapiDisplay> display);
  43     ~VaapiGlobalContext();
  44
  45     /// Get the unique global VA context
  46     //
  47     /// @return     The global VA context
  48     static VaapiGlobalContext *get();
  49
  50     /// Check VA profile is supported
  51     bool hasProfile(VAProfile profile) const;
  52
  53     /// Get the VA image format matching format
  54     //
  55     /// @return     The VA image format
  56     const VAImageFormat *getImageFormat(VaapiImageFormat format) const;
  57
  58     /// Get the list of supported image formats
  59     //
  60     /// @return     The list of image formats
  61     std::vector<VaapiImageFormat> getImageFormats() const;
  62
  63     /// Get the list of supported subpicture formats
  64     //
  65     /// @return     The list of subpicture formats
  66     std::vector<VaapiImageFormat> getSubpictureFormats() const;
  67
  68     /// Get the VA display
  69     //
  70     /// @return     The VA display
  71     VADisplay display() const { return _display->get(); }
  72 };
  73
  74 } // gnash namespace
  75
  76 #endif // GNASH_VAAPIGLOBALCONTEXT_H
  77
  78
  79 // local Variables:
  80 // mode: C++
  81 // indent-tabs-mode: nil
  82 // End: