TagLib 1.4 (TagLib: TagLib::MPEG::Header Class Reference)

TagLib::MPEG::Header Class Reference

An implementation of MP3 frame headers. More...

#include <mpegheader.h>

List of all members.

Public Types

enum  Version { Version1 = 0, Version2 = 1, Version2_5 = 2 }
enum  ChannelMode { Stereo = 0, JointStereo = 1, DualChannel = 2, SingleChannel = 3 }

Public Member Functions

 Header (const ByteVector &data)
 Header (const Header &h)
virtual ~Header ()
bool isValid () const
Version version () const
int layer () const
bool protectionEnabled () const
int bitrate () const
int sampleRate () const
bool isPadded () const
ChannelMode channelMode () const
bool isCopyrighted () const
bool isOriginal () const
int frameLength () const
Headeroperator= (const Header &h)


Detailed Description

An implementation of MP3 frame headers.

This is an implementation of MPEG Layer III headers. The API follows more or less the binary format of these headers. I've used this document as a reference.


Member Enumeration Documentation

enum TagLib::MPEG::Header::ChannelMode
 

There are a few combinations or one or two channel audio that are possible:

Enumeration values:
Stereo  Stereo.
JointStereo  Stereo.
DualChannel  Dual Mono.
SingleChannel  Mono.

enum TagLib::MPEG::Header::Version
 

The MPEG Version.

Enumeration values:
Version1  MPEG Version 1.
Version2  MPEG Version 2.
Version2_5  MPEG Version 2.5.


Constructor & Destructor Documentation

TagLib::MPEG::Header::Header const ByteVector data  ) 
 

Parses an MPEG header based on data.

TagLib::MPEG::Header::Header const Header h  ) 
 

Does a shallow copy of h.

virtual TagLib::MPEG::Header::~Header  )  [virtual]
 

Destroys this Header instance.


Member Function Documentation

int TagLib::MPEG::Header::bitrate  )  const
 

Returns the bitrate encoded in the header.

ChannelMode TagLib::MPEG::Header::channelMode  )  const
 

Returns the channel mode for this frame.

int TagLib::MPEG::Header::frameLength  )  const
 

Returns the frame length.

bool TagLib::MPEG::Header::isCopyrighted  )  const
 

Returns true if the copyrighted bit is set.

bool TagLib::MPEG::Header::isOriginal  )  const
 

Returns true if the "original" bit is set.

bool TagLib::MPEG::Header::isPadded  )  const
 

Returns true if the frame is padded.

bool TagLib::MPEG::Header::isValid  )  const
 

Returns true if the frame is at least an appropriate size and has legal values.

int TagLib::MPEG::Header::layer  )  const
 

Returns the layer version. This will be between the values 1-3.

Header& TagLib::MPEG::Header::operator= const Header h  ) 
 

Makes a shallow copy of the header.

bool TagLib::MPEG::Header::protectionEnabled  )  const
 

Returns true if the MPEG protection bit is enabled.

int TagLib::MPEG::Header::sampleRate  )  const
 

Returns the sample rate in Hz.

Version TagLib::MPEG::Header::version  )  const
 

Returns the MPEG Version of the header.


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