Exiv2
quicktimevideo.hpp
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20 #ifndef QUICKTIMEVIDEO_HPP
21 #define QUICKTIMEVIDEO_HPP
22 
23 // *****************************************************************************
24 #include "exiv2lib_export.h"
25 
26 // included header files
27 #include "exif.hpp"
28 #include "image.hpp"
29 
30 // *****************************************************************************
31 // namespace extensions
32 namespace Exiv2 {
33 
34 // *****************************************************************************
35 // class definitions
36 
37  // Add qtime to the supported image formats
38  namespace ImageType {
39  const int qtime = 22;
40  }
41 
45  class EXIV2LIB_DEPRECATED_EXPORT QuickTimeVideo:public Image
46  {
47  public:
49 
50 
63 
65 
66  void readMetadata();
67  void writeMetadata();
69 
71 
72  std::string mimeType() const;
74 
75  protected:
80  void decodeBlock();
89  void tagDecoder(Exiv2::DataBuf & buf, unsigned long size);
90 
91  private:
97  void fileTypeDecoder(unsigned long size);
103  void mediaHeaderDecoder(unsigned long size);
109  void videoHeaderDecoder(unsigned long size);
115  void movieHeaderDecoder(unsigned long size);
121  void trackHeaderDecoder(unsigned long size);
127  void handlerDecoder(unsigned long size);
132  void multipleEntriesDecoder();
138  void sampleDesc(unsigned long size);
143  void imageDescDecoder();
149  void userDataDecoder(unsigned long size);
155  void previewTagDecoder(unsigned long size);
161  void keysTagDecoder(unsigned long size);
167  void trackApertureTagDecoder(unsigned long size);
173  void NikonTagsDecoder(unsigned long size);
179  void CameraTagsDecoder(unsigned long size);
184  void audioDescDecoder();
189  void timeToSampleDecoder();
194  void setMediaStream();
200  void discard(unsigned long size);
205  void aspectRatio();
206 
207  private:
209 
210  QuickTimeVideo(const QuickTimeVideo& rhs);
213  QuickTimeVideo& operator=(const QuickTimeVideo& rhs);
215 
216  private:
218  uint64_t timeScale_;
220  int currentStream_;
222  bool continueTraversing_;
224  uint64_t height_, width_;
225 
226  }; //QuickTimeVideo End
227 
228 // *****************************************************************************
229 // template, inline and free functions
230 
231  // These could be static private functions on Image subclasses but then
232  // ImageFactory needs to be made a friend.
238  EXIV2LIB_DEPRECATED_EXPORT Image::AutoPtr newQTimeInstance(BasicIo::AutoPtr io, bool create);
239 
241  EXIV2LIB_DEPRECATED_EXPORT bool isQTimeType(BasicIo& iIo, bool advance);
242 
243 } // namespace Exiv2
244 
245 #endif // QUICKTIMEVIDEO_HPP
Exiv2::Internal::TagDetails
Helper structure for lookup tables for translations of numeric tag values to human readable labels.
Definition: tags_int.hpp:225
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:258
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:571
Exiv2::Value::create
static AutoPtr create(TypeId typeId)
A (simple) factory to create a Value type.
Definition: value.cpp:93
Exiv2::strError
EXIV2API std::string strError()
Return a system error message and the error code (errno). See strerror(3).
Definition: futils.cpp:316
Exiv2::Internal::TagVocabulary
Helper structure for lookup tables for translations of controlled vocabulary strings to their descrip...
Definition: tags_int.hpp:246
Exiv2::XmpKey
Concrete keys for XMP metadata.
Definition: properties.hpp:230
Exiv2::Image::clearMetadata
virtual void clearMetadata()
Erase all buffered metadata. Metadata is not removed from the actual image until the writeMetadata() ...
Definition: image.cpp:570
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:313
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:193
Exiv2::ImageType::qtime
const int qtime
Treating qtime as an image type>
Definition: quicktimevideo.hpp:39
Exiv2::DataBuf::size_
long size_
The current size of the buffer.
Definition: types.hpp:260
Exiv2::Internal::TagDetails::label_
const char * label_
Translation of the tag value.
Definition: tags_int.hpp:227
Exiv2::find
const T * find(T(&src)[N], const K &key)
Find an element that matches key in the array src.
Definition: types.hpp:497
Exiv2
Provides classes and functions to encode and decode Exif and Iptc data. The libexiv2 API consists of ...
Definition: asfvideo.hpp:36
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:45
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:273
Exiv2::Image::io_
BasicIo::AutoPtr io_
Image data IO pointer.
Definition: image.hpp:484
Exiv2::Internal
Contains internal objects which are not published and are not part of the libexiv2 API.
Definition: slice.hpp:31
Exiv2::Image::AutoPtr
std::auto_ptr< Image > AutoPtr
Image auto_ptr type.
Definition: image.hpp:81
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:324
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:485
Exiv2::Internal::TagVocabulary::label_
const char * label_
Description of the vocabulary string.
Definition: tags_int.hpp:248
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:144
Exiv2::toString
std::string toString(const T &arg)
Utility function to convert the argument of any type to a string.
Definition: types.hpp:510
Exiv2::BasicIo
An interface for simple binary IO.
Definition: basicio.hpp:55
Exiv2::Image::xmpData_
XmpData xmpData_
XMP data container.
Definition: image.hpp:487
Exiv2::whiteBalance
EXIV2API ExifData::const_iterator whiteBalance(const ExifData &ed)
Return the white balance setting.
Definition: easyaccess.cpp:296
Exiv2::Image
Abstract base class defining the interface for an image. This is the top-level interface to the Exiv2...
Definition: image.hpp:78
Exiv2::QuickTimeVideo::mimeType
std::string mimeType() const
Return the MIME type of the image.
Exiv2::Value::AutoPtr
std::auto_ptr< Value > AutoPtr
Shortcut for a Value auto pointer.
Definition: value.hpp:54
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:278
error.hpp
Error class for exceptions, log message class.