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VaapiImage.h

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00001 // VaapiImage.h: VA image abstraction
00002 // 
00003 // Copyright (C) 2009, 2010 Free Software Foundation, Inc.
00004 // 
00005 // This program is free software; you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License as published by
00007 // the Free Software Foundation; either version 3 of the License, or
00008 // (at your option) any later version.
00009 // 
00010 // This program is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 // GNU General Public License for more details.
00014 // 
00015 // You should have received a copy of the GNU General Public License
00016 // along with this program; if not, write to the Free Software
00017 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018 //
00019 
00020 #ifndef GNASH_VAAPIIMAGE_H
00021 #define GNASH_VAAPIIMAGE_H
00022 
00023 #include "vaapi_common.h"
00024 #include "VaapiImageFormat.h"
00025 #include <boost/scoped_array.hpp>
00026 #include <memory>
00027 
00028 // Forward declarations
00029 struct SwsContext;
00030 
00031 namespace gnash {
00032 
00033 // Forward declarations
00034 class VaapiSurface;
00035 class VAImageWrapper;
00036 class SwsContextWrapper;
00037 
00039 class VaapiImage {
00040     VaapiImageFormat    _format;
00041     VAImage             _image;
00042     boost::uint8_t *    _image_data;
00043 
00045     bool create(unsigned int width, unsigned int height);
00046 
00048     void destroy();
00049 
00050 public:
00051     VaapiImage(unsigned int     width,
00052                unsigned int     height,
00053                VaapiImageFormat format = VAAPI_IMAGE_RGB32);
00054     ~VaapiImage();
00055 
00057     VAImageID get() const { return _image.image_id; }
00058 
00060     VaapiImageFormat format() const { return _format; }
00061 
00063     unsigned int width() const { return _image.width; }
00064 
00066     unsigned int height() const { return _image.height; }
00067 
00069     bool isMapped() const { return _image_data != NULL; }
00070 
00072     bool map();
00073 
00075     bool unmap();
00076 
00078     unsigned int getPlaneCount() const { return _image.num_planes; }
00079 
00081     boost::uint8_t *getPlane(int plane) const;
00082 
00084     unsigned int getPitch(int plane) const;
00085 };
00086 
00087 } // gnash namespace
00088 
00089 #endif // GNASH_VAAPIIMAGE_H
00090 
00091 // local Variables:
00092 // mode: C++
00093 // indent-tabs-mode: nil
00094 // End:
00095 
00096 

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