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TagLib::Ogg::FLAC::File Class Reference

An implementation of TagLib::File with Ogg/FLAC specific methods. More...

#include <oggflacfile.h>

Inheritance diagram for TagLib::Ogg::FLAC::File:
TagLib::Ogg::File TagLib::File

Public Member Functions

 File (FileName file, bool readProperties=true, Properties::ReadStyle propertiesStyle=Properties::Average)
 Constructs an Ogg/FLAC file from file. More...
 
 File (IOStream *stream, bool readProperties=true, Properties::ReadStyle propertiesStyle=Properties::Average)
 Constructs an Ogg/FLAC file from stream. More...
 
virtual ~File ()
 Destroys this instance of the File. More...
 
virtual XiphCommenttag () const
 Returns the Tag for this file. More...
 
virtual PropertiesaudioProperties () const
 Returns the FLAC::Properties for this file. More...
 
PropertyMap properties () const
 Implements the unified property interface – export function. More...
 
PropertyMap setProperties (const PropertyMap &)
 Implements the unified tag dictionary interface – import function. More...
 
virtual bool save ()
 Save the file. More...
 
long streamLength ()
 Returns the length of the audio-stream, used by FLAC::Properties for calculating the bitrate. More...
 
bool hasXiphComment () const
 Returns whether or not the file on disk actually has a XiphComment. More...
 
- Public Member Functions inherited from TagLib::Ogg::File
ByteVector packet (unsigned int i)
 Returns the packet contents for the i-th packet (starting from zero) in the Ogg bitstream. More...
 
void setPacket (unsigned int i, const ByteVector &p)
 Sets the packet with index i to the value p. More...
 
const PageHeaderfirstPageHeader ()
 Returns a pointer to the PageHeader for the first page in the stream or null if the page could not be found. More...
 
const PageHeaderlastPageHeader ()
 Returns a pointer to the PageHeader for the last page in the stream or null if the page could not be found. More...
 
- Public Member Functions inherited from TagLib::File
FileName name () const
 Returns the file name in the local file system encoding. More...
 
PropertyMap properties () const
 Exports the tags of the file as dictionary mapping (human readable) tag names (uppercase Strings) to StringLists of tag values. More...
 
void removeUnsupportedProperties (const StringList &properties)
 Removes unsupported properties, or a subset of them, from the file's metadata. More...
 
PropertyMap setProperties (const PropertyMap &properties)
 Sets the tags of this File to those specified in properties. More...
 
ByteVector readBlock (unsigned long length)
 Reads a block of size length at the current get pointer. More...
 
void writeBlock (const ByteVector &data)
 Attempts to write the block data at the current get pointer. More...
 
long find (const ByteVector &pattern, long fromOffset=0, const ByteVector &before=ByteVector())
 Returns the offset in the file that pattern occurs at or -1 if it can not be found. More...
 
long rfind (const ByteVector &pattern, long fromOffset=0, const ByteVector &before=ByteVector())
 Returns the offset in the file that pattern occurs at or -1 if it can not be found. More...
 
void insert (const ByteVector &data, unsigned long start=0, unsigned long replace=0)
 Insert data at position start in the file overwriting replace bytes of the original content. More...
 
void removeBlock (unsigned long start=0, unsigned long length=0)
 Removes a block of the file starting a start and continuing for length bytes. More...
 
bool readOnly () const
 Returns true if the file is read only (or if the file can not be opened). More...
 
bool isOpen () const
 Since the file can currently only be opened as an argument to the constructor (sort-of by design), this returns if that open succeeded. More...
 
bool isValid () const
 Returns true if the file is open and readable. More...
 
void seek (long offset, Position p=Beginning)
 Move the I/O pointer to offset in the file from position p. More...
 
void clear ()
 Reset the end-of-file and error flags on the file. More...
 
long tell () const
 Returns the current offset within the file. More...
 
long length ()
 Returns the length of the file. More...
 

Additional Inherited Members

- Public Types inherited from TagLib::File
enum  Position { Beginning, Current, End }
 Position in the file used for seeking. More...
 
- Static Public Member Functions inherited from TagLib::File
static bool isReadable (const char *file)
 Returns true if file can be opened for reading. More...
 
static bool isWritable (const char *name)
 Returns true if file can be opened for writing. More...
 
- Protected Member Functions inherited from TagLib::Ogg::File
 File (FileName file)
 Constructs an Ogg file from file. More...
 
 File (IOStream *stream)
 Constructs an Ogg file from stream. More...
 
- Protected Member Functions inherited from TagLib::File
 File (FileName file)
 Construct a File object and opens the file. More...
 
 File (IOStream *stream)
 Construct a File object and use the stream instance. More...
 
void setValid (bool valid)
 Marks the file as valid or invalid. More...
 
void truncate (long length)
 Truncates the file to a length. More...
 
- Static Protected Member Functions inherited from TagLib::File
static unsigned int bufferSize ()
 Returns the buffer size that is used for internal buffering. More...
 

Detailed Description

An implementation of TagLib::File with Ogg/FLAC specific methods.

This implements and provides an interface for Ogg/FLAC files to the TagLib::Tag and TagLib::AudioProperties interfaces by way of implementing the abstract TagLib::File API as well as providing some additional information specific to Ogg FLAC files.

Constructor & Destructor Documentation

TagLib::Ogg::FLAC::File::File ( FileName  file,
bool  readProperties = true,
Properties::ReadStyle  propertiesStyle = Properties::Average 
)

Constructs an Ogg/FLAC file from file.

If readProperties is true the file's audio properties will also be read.

Note
In the current implementation, propertiesStyle is ignored.
TagLib::Ogg::FLAC::File::File ( IOStream stream,
bool  readProperties = true,
Properties::ReadStyle  propertiesStyle = Properties::Average 
)

Constructs an Ogg/FLAC file from stream.

If readProperties is true the file's audio properties will also be read.

Note
TagLib will not take ownership of the stream, the caller is responsible for deleting it after the File object.
In the current implementation, propertiesStyle is ignored.
virtual TagLib::Ogg::FLAC::File::~File ( )
virtual

Destroys this instance of the File.

Reimplemented from TagLib::Ogg::File.

Member Function Documentation

virtual Properties* TagLib::Ogg::FLAC::File::audioProperties ( ) const
virtual

Returns the FLAC::Properties for this file.

If no audio properties were read then this will return a null pointer.

Implements TagLib::File.

bool TagLib::Ogg::FLAC::File::hasXiphComment ( ) const

Returns whether or not the file on disk actually has a XiphComment.

See also
tag()
PropertyMap TagLib::Ogg::FLAC::File::properties ( ) const

Implements the unified property interface – export function.

This forwards directly to XiphComment::properties().

virtual bool TagLib::Ogg::FLAC::File::save ( )
virtual

Save the file.

This will primarily save and update the XiphComment. Returns true if the save is successful.

Warning
In the current implementation, it's dangerous to call save() repeatedly. It leads to a segfault.

Reimplemented from TagLib::Ogg::File.

PropertyMap TagLib::Ogg::FLAC::File::setProperties ( const PropertyMap )

Implements the unified tag dictionary interface – import function.

Like properties(), this is a forwarder to the file's XiphComment.

long TagLib::Ogg::FLAC::File::streamLength ( )

Returns the length of the audio-stream, used by FLAC::Properties for calculating the bitrate.

virtual XiphComment* TagLib::Ogg::FLAC::File::tag ( ) const
virtual

Returns the Tag for this file.

This will always be a XiphComment.

Note
This always returns a valid pointer regardless of whether or not the file on disk has a XiphComment. Use hasXiphComment() to check if the file on disk actually has a XiphComment.
The Tag is still owned by the FLAC::File and should not be deleted by the user. It will be deleted when the file (object) is destroyed.
See also
hasXiphComment()

Implements TagLib::File.


The documentation for this class was generated from the following file: