/usr/include/exiv2/riffvideo.hpp is in libexiv2-dev 0.24-4.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | // ***************************************************************** -*- C++ -*-
/*
* Copyright (C) 2004-2013 Andreas Huggel <ahuggel@gmx.net>
*
* This program is part of the Exiv2 distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
*/
/*!
@file riffvideo.hpp
@brief An Image subclass to support RIFF video files
@version $Rev$
@author Abhinav Badola for GSoC 2012
<a href="mailto:mail.abu.to@gmail.com">mail.abu.to@gmail.com</a>
@date 18-Jun-12, AB: created
*/
#ifndef RIFFVIDEO_HPP
#define RIFFVIDEO_HPP
// *****************************************************************************
// included header files
#include "exif.hpp"
#include "image.hpp"
#include "tags_int.hpp"
// *****************************************************************************
// namespace extensions
namespace Exiv2 {
// *****************************************************************************
// class definitions
// Add RIFF to the supported image formats
namespace ImageType {
const int riff = 20; //!< Treating riff as an image type>
}
/*!
@brief Class to access RIFF video files.
*/
class EXIV2API RiffVideo:public Image
{
public:
//! @name Creators
//@{
/*!
@brief Constructor for a Riff video. Since the constructor
can not return a result, callers should check the good() method
after object construction to determine success or failure.
@param io An auto-pointer that owns a BasicIo instance used for
reading and writing image metadata. \b Important: The constructor
takes ownership of the passed in BasicIo instance through the
auto-pointer. Callers should not continue to use the BasicIo
instance after it is passed to this method. Use the Image::io()
method to get a temporary reference.
*/
RiffVideo(BasicIo::AutoPtr io);
//@}
//! @name Manipulators
//@{
void readMetadata();
void writeMetadata();
//@}
//! @name Accessors
//@{
std::string mimeType() const;
const char* printAudioEncoding(uint64_t i);
//@}
protected:
/*!
@brief Check for a valid tag and decode the block at the current IO
position. Calls tagDecoder() or skips to next tag, if required.
*/
void decodeBlock();
/*!
@brief Interpret tag information, and call the respective function
to save it in the respective XMP container. Decodes a Tag
Information and saves it in the respective XMP container, if
the block size is small.
@param buf Data buffer which cotains tag ID.
@param size Size of the data block used to store Tag Information.
*/
void tagDecoder(Exiv2::DataBuf& buf, unsigned long size);
/*!
@brief Interpret Junk tag information, and save it
in the respective XMP container.
@param size Size of the data block used to store Tag Information.
*/
void junkHandler(long size);
/*!
@brief Interpret Stream tag information, and save it
in the respective XMP container.
@param size Size of the data block used to store Tag Information.
*/
void streamHandler(long size);
/*!
@brief Interpret Stream Format tag information, and save it
in the respective XMP container.
@param size Size of the data block used to store Tag Information.
*/
void streamFormatHandler(long size);
/*!
@brief Interpret Riff Header tag information, and save it
in the respective XMP container.
@param size Size of the data block used to store Tag Information.
*/
void aviHeaderTagsHandler(long size);
/*!
@brief Interpret Riff List tag information, and save it
in the respective XMP container.
@param size Size of the data block used to store Tag Information.
*/
void listHandler(long size);
/*!
@brief Interpret Riff Stream Data tag information, and save it
in the respective XMP container.
@param size Size of the data block used to store Tag Information.
*/
void streamDataTagHandler(long size);
/*!
@brief Interpret INFO tag information, and save it
in the respective XMP container.
*/
void infoTagsHandler();
/*!
@brief Interpret Nikon Tags related to Video information, and
save it in the respective XMP container.
*/
void nikonTagsHandler();
/*!
@brief Interpret OpenDML tag information, and save it
in the respective XMP container.
*/
void odmlTagsHandler();
//! @brief Skips Particular Blocks of Metadata List.
void skipListData();
/*!
@brief Interprets DateTimeOriginal tag or stream name tag
information, and save it in the respective XMP container.
@param size Size of the data block used to store Tag Information.
@param i parameter used to overload function
*/
void dateTimeOriginal(long size, int i = 0);
/*!
@brief Calculates Sample Rate of a particular stream.
@param buf Data buffer with the dividend.
@param divisor The Divisor required to calculate sample rate.
@return Return the sample rate of the stream.
*/
double returnSampleRate(Exiv2::DataBuf& buf, long divisor = 1);
/*!
@brief Calculates Aspect Ratio of a video, and stores it in the
respective XMP container.
@param width Width of the video.
@param height Height of the video.
*/
void fillAspectRatio(long width = 1,long height = 1);
/*!
@brief Calculates Duration of a video, and stores it in the
respective XMP container.
@param frame_rate Frame rate of the video.
@param frame_count Total number of frames present in the video.
*/
void fillDuration(double frame_rate, long frame_count);
private:
//! @name NOT Implemented
//@{
//! Copy constructor
RiffVideo(const RiffVideo& rhs);
//! Assignment operator
RiffVideo& operator=(const RiffVideo& rhs);
//@}
private:
//! Variable to check the end of metadata traversing.
bool continueTraversing_;
//! Variable which stores current stream being processsed.
int streamType_;
}; //Class RiffVideo
// *****************************************************************************
// template, inline and free functions
// These could be static private functions on Image subclasses but then
// ImageFactory needs to be made a friend.
/*!
@brief Create a new RiffVideo instance and return an auto-pointer to it.
Caller owns the returned object and the auto-pointer ensures that
it will be deleted.
*/
EXIV2API Image::AutoPtr newRiffInstance(BasicIo::AutoPtr io, bool create);
//! Check if the file iIo is a Riff Video.
EXIV2API bool isRiffType(BasicIo& iIo, bool advance);
} // namespace Exiv2
#endif // RIFFVIDEO_HPP
|