00001 /*!@file Video/FfmpegFrame.H Conversions between ffmpeg's AVFrame and our VideoFrame */ 00002 00003 // //////////////////////////////////////////////////////////////////// // 00004 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2000-2005 // 00005 // by the University of Southern California (USC) and the iLab at USC. // 00006 // See http://iLab.usc.edu for information about this project. // 00007 // //////////////////////////////////////////////////////////////////// // 00008 // Major portions of the iLab Neuromorphic Vision Toolkit are protected // 00009 // under the U.S. patent ``Computation of Intrinsic Perceptual Saliency // 00010 // in Visual Environments, and Applications'' by Christof Koch and // 00011 // Laurent Itti, California Institute of Technology, 2001 (patent // 00012 // pending; application number 09/912,225 filed July 23, 2001; see // 00013 // http://pair.uspto.gov/cgi-bin/final/home.pl for current status). // 00014 // //////////////////////////////////////////////////////////////////// // 00015 // This file is part of the iLab Neuromorphic Vision C++ Toolkit. // 00016 // // 00017 // The iLab Neuromorphic Vision C++ Toolkit is free software; you can // 00018 // redistribute it and/or modify it under the terms of the GNU General // 00019 // Public License as published by the Free Software Foundation; either // 00020 // version 2 of the License, or (at your option) any later version. // 00021 // // 00022 // The iLab Neuromorphic Vision C++ Toolkit is distributed in the hope // 00023 // that it will be useful, but WITHOUT ANY WARRANTY; without even the // 00024 // implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR // 00025 // PURPOSE. See the GNU General Public License for more details. // 00026 // // 00027 // You should have received a copy of the GNU General Public License // 00028 // along with the iLab Neuromorphic Vision C++ Toolkit; if not, write // 00029 // to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, // 00030 // Boston, MA 02111-1307 USA. // 00031 // //////////////////////////////////////////////////////////////////// // 00032 // 00033 // Primary maintainer for this file: Rob Peters <rjpeters at usc dot edu> 00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Video/FfmpegFrame.H $ 00035 // $Id: FfmpegFrame.H 12785 2010-02-06 02:24:05Z irock $ 00036 // 00037 00038 #ifndef VIDEO_FFMPEGFRAME_H_DEFINED 00039 #define VIDEO_FFMPEGFRAME_H_DEFINED 00040 00041 #ifdef INVT_HAVE_AVCODEC 00042 00043 #include "Util/Types.H" // for byte 00044 #include "Video/VideoFormat.H" 00045 00046 #define attribute_deprecated 00047 extern "C" 00048 { 00049 #ifdef HAVE_LIBAVCODEC_AVCODEC_H 00050 #include <libavcodec/avcodec.h> 00051 #else 00052 #include <ffmpeg/avcodec.h> 00053 #endif 00054 00055 } 00056 00057 class Dims; 00058 class VideoFrame; 00059 template <class T> class Image; 00060 template <class T> class PixRGB; 00061 00062 /// Get the VideoFormat enum that corresponds to ffmpeg's PixelFormat enum 00063 VideoFormat convertAVPixelFormatToVideoFormat(const PixelFormat fmt); 00064 00065 /// Make a VideoFrame from an AVFrame from ffmpeg. 00066 /** The returned VideoFrame object will contain a private copy of the 00067 data from the AVFrame, so it is safe to reuse or discard the 00068 AVFrame object after calling this function. */ 00069 VideoFrame convertAVFrameToVideoFrame(const AVFrame* pic, 00070 const PixelFormat fmt, 00071 const Dims& dims); 00072 00073 /// Make a color Image from an AVFrame from ffmpeg. 00074 Image<PixRGB<byte> > convertAVFrameToRGB(const AVFrame* pic, 00075 const PixelFormat fmt, 00076 const Dims& dims); 00077 00078 /// Fill an ffmpeg AVFrame from a VideoFrame 00079 /** Returns true if there was a successful conversion, false otherwise 00080 -- conversion can fail if vidframe.getMode() doesn't match the 00081 requested PixelFormat; in that case your best bet is to just 00082 convert the VideoFrame to RGB with vidframe.toRgb() and then do 00083 your work in RGB mode instead. */ 00084 bool convertVideoFrameToAVFrame(const VideoFrame& vidframe, 00085 const PixelFormat fmt, 00086 AVFrame* pic); 00087 00088 //! Conversion from ffmpeg's PixelFormat enum to string 00089 std::string convertToString(const PixelFormat fmt); 00090 00091 #endif // HAVE_FFMPEG_AVCODEC_H 00092 00093 // ###################################################################### 00094 /* So things look consistent in everyone's emacs... */ 00095 /* Local Variables: */ 00096 /* mode: c++ */ 00097 /* indent-tabs-mode: nil */ 00098 /* End: */ 00099 00100 #endif // VIDEO_FFMPEGFRAME_H_DEFINED
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