Gnash 0.8.10dev
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00001 // Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc. 00002 // 00003 // This program is free software; you can redistribute it and/or modify 00004 // it under the terms of the GNU General Public License as published by 00005 // the Free Software Foundation; either version 3 of the License, or 00006 // (at your option) any later version. 00007 // 00008 // This program is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00011 // GNU General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this program; if not, write to the Free Software 00015 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00016 00017 00018 #ifndef GNASH_VIDEOCONVERTER_H 00019 #define GNASH_VIDEOCONVERTER_H 00020 00021 #include <boost/noncopyable.hpp> 00022 #include <boost/cstdint.hpp> 00023 #include <memory> 00024 00025 namespace gnash { 00026 namespace media { 00027 00028 00029 00031 // 00039 00040 struct ImgBuf : public boost::noncopyable 00041 { 00042 typedef boost::uint32_t Type4CC; 00043 typedef void (*FreeFunc)(void*); 00044 00045 ImgBuf(Type4CC t, boost::uint8_t* dataptr, size_t datasize, size_t w, 00046 size_t h) 00047 : type(t), 00048 data(dataptr), 00049 size(datasize), 00050 width(w), 00051 height(h), 00052 dealloc(array_delete) 00053 {} 00054 00055 ~ImgBuf() 00056 { 00057 dealloc(data); 00058 } 00059 00060 static void array_delete(void* voidptr) 00061 { 00062 boost::uint8_t* ptr = static_cast<boost::uint8_t*>(voidptr); 00063 delete [] ptr; 00064 } 00065 00066 static void noop(void* /*voidptr*/) 00067 { 00068 } 00069 00070 Type4CC type; 00071 boost::uint8_t* data; 00072 00073 size_t size; // in bytes 00074 size_t width; // in pixels 00075 size_t height; // in pixels 00076 00077 size_t stride[4]; 00078 00079 FreeFunc dealloc; 00080 }; 00081 00082 00084 00085 class VideoConverter : public boost::noncopyable { 00086 00087 public: 00088 VideoConverter(ImgBuf::Type4CC srcFormat, ImgBuf::Type4CC dstFormat) 00089 : _src_fmt(srcFormat), 00090 _dst_fmt(dstFormat) 00091 { 00092 } 00093 00094 virtual ~VideoConverter() 00095 { 00096 } 00097 00099 // 00102 virtual std::auto_ptr<ImgBuf> convert(const ImgBuf& src) = 0; 00103 00104 protected: 00105 ImgBuf::Type4CC _src_fmt; 00106 ImgBuf::Type4CC _dst_fmt; 00107 }; 00108 00109 00110 } // gnash.media namespace 00111 } // gnash namespace 00112 00113 #endif // __VIDEOCONVERTER_H__