Exiv2
quicktimevideo.hpp
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27 #ifndef QUICKTIMEVIDEO_HPP
28 #define QUICKTIMEVIDEO_HPP
29 
30 // *****************************************************************************
31 #include "exiv2lib_export.h"
32 
33 // included header files
34 #include "exif.hpp"
35 #include "image.hpp"
36 
37 // *****************************************************************************
38 // namespace extensions
39 namespace Exiv2 {
40 
41 // *****************************************************************************
42 // class definitions
43 
44  // Add qtime to the supported image formats
45  namespace ImageType {
46  const int qtime = 22;
47  }
48 
52  class EXIV2LIB_DEPRECATED_EXPORT QuickTimeVideo:public Image
53  {
54  public:
56 
57 
70 
72 
73  void readMetadata();
74  void writeMetadata();
76 
78 
79  std::string mimeType() const;
81 
82  protected:
87  void decodeBlock();
96  void tagDecoder(Exiv2::DataBuf & buf, unsigned long size);
97 
98  private:
104  void fileTypeDecoder(unsigned long size);
110  void mediaHeaderDecoder(unsigned long size);
116  void videoHeaderDecoder(unsigned long size);
122  void movieHeaderDecoder(unsigned long size);
128  void trackHeaderDecoder(unsigned long size);
134  void handlerDecoder(unsigned long size);
139  void multipleEntriesDecoder();
145  void sampleDesc(unsigned long size);
150  void imageDescDecoder();
156  void userDataDecoder(unsigned long size);
162  void previewTagDecoder(unsigned long size);
168  void keysTagDecoder(unsigned long size);
174  void trackApertureTagDecoder(unsigned long size);
180  void NikonTagsDecoder(unsigned long size);
186  void CameraTagsDecoder(unsigned long size);
191  void audioDescDecoder();
196  void timeToSampleDecoder();
201  void setMediaStream();
207  void discard(unsigned long size);
212  void aspectRatio();
213 
214  private:
216 
217  QuickTimeVideo(const QuickTimeVideo& rhs);
220  QuickTimeVideo& operator=(const QuickTimeVideo& rhs);
222 
223  private:
225  uint64_t timeScale_;
227  int currentStream_;
229  bool continueTraversing_;
231  uint64_t height_, width_;
232 
233  }; //QuickTimeVideo End
234 
235 // *****************************************************************************
236 // template, inline and free functions
237 
238  // These could be static private functions on Image subclasses but then
239  // ImageFactory needs to be made a friend.
245  EXIV2LIB_DEPRECATED_EXPORT Image::AutoPtr newQTimeInstance(BasicIo::AutoPtr io, bool create);
246 
248  EXIV2LIB_DEPRECATED_EXPORT bool isQTimeType(BasicIo& iIo, bool advance);
249 
250 } // namespace Exiv2
251 
252 #endif // QUICKTIMEVIDEO_HPP
quicktimevideo.hpp
An Image subclass to support Quick Time video files.
Exiv2::Internal::TagDetails
Helper structure for lookup tables for translations of numeric tag values to human readable labels.
Definition: tags_int.hpp:188
Exiv2::isQTimeType
EXIV2LIB_DEPRECATED_EXPORT bool isQTimeType(BasicIo &iIo, bool advance)
Check if the file iIo is a Quick Time Video.
Exiv2::DataBuf::pData_
byte * pData_
Pointer to the buffer, 0 if none has been allocated.
Definition: types.hpp:269
exif.hpp
Encoding and decoding of Exif data.
Exiv2::exvGettext
const EXIV2API char * exvGettext(const char *str)
Translate a string using the gettext framework. This wrapper hides all the implementation details fro...
Definition: types.cpp:576
Exiv2::Value::create
static AutoPtr create(TypeId typeId)
A (simple) factory to create a Value type.
Definition: value.cpp:100
Exiv2::strError
EXIV2API std::string strError()
Return a system error message and the error code (errno). See strerror(3).
Definition: futils.cpp:352
Exiv2::Internal::TagVocabulary
Helper structure for lookup tables for translations of controlled vocabulary strings to their descrip...
Definition: tags_int.hpp:209
Exiv2::XmpKey
Concrete keys for XMP metadata.
Definition: properties.hpp:241
Exiv2::Image::clearMetadata
virtual void clearMetadata()
Erase all buffered metadata. Metadata is not removed from the actual image until the writeMetadata() ...
Definition: image.cpp:541
Exiv2::QuickTimeVideo::decodeBlock
void decodeBlock()
Check for a valid tag and decode the block at the current IO position. Calls tagDecoder() or skips to...
Exiv2::newQTimeInstance
EXIV2LIB_DEPRECATED_EXPORT Image::AutoPtr newQTimeInstance(BasicIo::AutoPtr io, bool create)
Create a new QuicktimeVideo instance and return an auto-pointer to it. Caller owns the returned objec...
Exiv2::QuickTimeVideo::QuickTimeVideo
QuickTimeVideo(BasicIo::AutoPtr io)
Constructor for a QuickTime video. Since the constructor can not return a result, callers should chec...
Exiv2::getShort
EXIV2API int16_t getShort(const byte *buf, ByteOrder byteOrder)
Read a 2 byte signed short value from the data buffer.
Definition: types.cpp:318
Exiv2::QuickTimeVideo::readMetadata
void readMetadata()
Read all metadata supported by a specific image format from the image. Before this method is called,...
Exiv2::DataBuf
Utility class containing a character array. All it does is to take care of memory allocation and dele...
Definition: types.hpp:204
Exiv2::ImageType::qtime
const int qtime
Treating qtime as an image type>
Definition: quicktimevideo.hpp:46
Exiv2::DataBuf::size_
long size_
The current size of the buffer.
Definition: types.hpp:271
Exiv2::Internal::TagDetails::label_
const char * label_
Translation of the tag value.
Definition: tags_int.hpp:190
Exiv2::find
const T * find(T(&src)[N], const K &key)
Find an element that matches key in the array src.
Definition: types.hpp:508
Exiv2
Provides classes and functions to encode and decode Exif and Iptc data. The libexiv2 API consists of ...
Definition: asfvideo.hpp:36
image.hpp
Exiv2::QuickTimeVideo::writeMetadata
void writeMetadata()
Write metadata back to the image.
Exiv2::QuickTimeVideo::tagDecoder
void tagDecoder(Exiv2::DataBuf &buf, unsigned long size)
Interpret tag information, and call the respective function to save it in the respective XMP containe...
Exiv2::QuickTimeVideo
Class to access QuickTime video files.
Definition: quicktimevideo.hpp:52
Exiv2::getUShort
EXIV2API uint16_t getUShort(const byte *buf, ByteOrder byteOrder)
Read a 2 byte unsigned short value from the data buffer.
Definition: types.cpp:278
Exiv2::Image::io_
BasicIo::AutoPtr io_
Image data IO pointer.
Definition: image.hpp:487
Exiv2::Internal
Contains internal objects which are not published and are not part of the libexiv2 API.
Definition: slice.hpp:39
Exiv2::Image::AutoPtr
std::auto_ptr< Image > AutoPtr
Image auto_ptr type.
Definition: image.hpp:84
tags_int.hpp
Internal Exif tag and type information.
Exiv2::BasicIo::AutoPtr
std::auto_ptr< BasicIo > AutoPtr
BasicIo auto_ptr type.
Definition: basicio.hpp:58
Exiv2::Error
BasicError< char > Error
Error class used for exceptions (std::string based)
Definition: error.hpp:323
Exiv2::XmpData::add
int add(const XmpKey &key, const Value *value)
Add an Xmpdatum from the supplied key and value pair. This method copies (clones) the value.
Definition: xmp.cpp:322
tags.hpp
Exif tag and type information.
Exiv2::Internal::TagVocabulary::label_
const char * label_
Description of the vocabulary string.
Definition: tags_int.hpp:211
Exiv2::string
@ string
IPTC string type.
Definition: types.hpp:147
EXV_ERROR
#define EXV_ERROR
Shorthand for a temp error log message object and return its ostringstream.
Definition: error.hpp:150
Exiv2::xmpSeq
@ xmpSeq
XMP sequence type.
Definition: types.hpp:155
Exiv2::toString
std::string toString(const T &arg)
Utility function to convert the argument of any type to a string.
Definition: types.hpp:521
Exiv2::BasicIo
An interface for simple binary IO.
Definition: basicio.hpp:55
Exiv2::Image::xmpData_
XmpData xmpData_
XMP data container.
Definition: image.hpp:490
Exiv2::whiteBalance
EXIV2API ExifData::const_iterator whiteBalance(const ExifData &ed)
Return the white balance setting.
Definition: easyaccess.cpp:287
Exiv2::Image
Abstract base class defining the interface for an image. This is the top-level interface to the Exiv2...
Definition: image.hpp:81
Exiv2::QuickTimeVideo::mimeType
std::string mimeType() const
Return the MIME type of the image.
futils.hpp
Basic file utility functions required by Exiv2.
Exiv2::Value::AutoPtr
std::auto_ptr< Value > AutoPtr
Shortcut for a Value auto pointer.
Definition: value.hpp:63
Exiv2::getULong
EXIV2API uint32_t getULong(const byte *buf, ByteOrder byteOrder)
Read a 4 byte unsigned long value from the data buffer.
Definition: types.cpp:283
error.hpp
Error class for exceptions, log message class.