libbase/GnashVaapiImage.h

   1 // GnashVaapiImage.h: GnashImage class used with VA API
   2 //
   3 // Copyright (C) 2007, 2008, 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_GNASHVAAPIIMAGE_H
  21 #define GNASH_GNASHVAAPIIMAGE_H
  22
  23 #include <boost/shared_ptr.hpp>
  24
  25 #include "GnashImage.h"
  26 #include "dsodefs.h"
  27
  28 namespace gnash {
  29
  30 // Forward declarations
  31 class VaapiSurface;
  32 class VaapiSurfaceProxy;
  33
  34 /// GnashImage implementation using a VA surface
  35 class DSOEXPORT GnashVaapiImage : public image::GnashImage
  36 {
  37     boost::shared_ptr<VaapiSurface> _surface;
  38     boost::uint64_t _creation_time;
  39
  40     /// Transfer (and convert) VA surface to CPU image data
  41     bool transfer();
  42
  43 public:
  44     GnashVaapiImage(boost::shared_ptr<VaapiSurface> surface,
  45             image::ImageType type);
  46     GnashVaapiImage(const GnashVaapiImage& o);
  47     ~GnashVaapiImage();
  48
  49     virtual void update(boost::shared_ptr<VaapiSurface> surface);
  50     virtual void update(boost::uint8_t* data);
  51     virtual void update(const image::GnashImage& from);
  52
  53     /// Get access to the underlying surface
  54     //
  55     /// @return     A pointer to the VA surface.
  56     boost::shared_ptr<VaapiSurface> surface() const
  57         { return _surface; }
  58
  59     /// Get access to the underlying data
  60     //
  61     /// NOTE: This function shall not be used
  62     //
  63     /// @return     NULL.
  64     virtual iterator begin();
  65
  66     /// Get read-only access to the underlying data
  67     //
  68     /// @return     A read-only pointer to the raw image data.
  69     virtual const_iterator begin() const;
  70 };
  71
  72 } // gnash namespace
  73
  74 #endif // GNASH_GNASHVAAPIIMAGE_H
  75
  76 // local Variables:
  77 // mode: C++
  78 // indent-tabs-mode: t
  79 // End: