Free convert audio files to mp3 for mac software for linux

The Audio File Library provides a uniform and elegant API for accessing a variety of audio file formats, such as AIFF/AIFF-C, WAVE, NeXT/Sun .snd/.au, Berkeley/IRCAM/CARL Sound File, Audio Visual Research, Amiga IFF/8SVX, and NIST SPHERE. Supported compression formats are currently G.711 mu-law and A-law and IMA and MS ADPCM.

Key goals of the Audio File Library are file format transparency and data format transparency. The same calls for opening a file, accessing and manipulating audio metadata (e.g. sample rate, sample format, textual information, MIDI parameters), and reading/writing sample data will work with any supported audio file format. Likewise, the format of the audio data presented to the application need not be tied to the format of the data contained in the file.

The Audio File Library distributed under the GNU Library General Public License.

Audio::File::Type represents an audio filetype.

An instance of an object inherited from Audio::File::Type is returned by the constructor of Audio::File. This object currently provides access to the audio files information like its audio properties (bitrate, sample rate, number of channels, ...) and the data stored in the files tag, but also providing access to the raw audio data and other information should be easy to be implemented.

METHODS

new

Constructor. In fact you dont need to use it. Please use Audio::File which will call the appropriate constructor corresponding to the files type.

init

This method will be called by the constructor. Its empty by default and should be overwritten by inheriting subclasses to initialize themselfes.

name

Returns the name of the audio file.

is_readable

Checks whether the file is readable or not. At the moment its only used by the constructor, but it will be more usefull with later versions of Audio::File.

is_writeable

Checks whether the file is writeable or not. At the moment youll probably dont need to call this method, but itll be more usefull as soon as changing the audio file is implemented.

tag

Returns a reference to the files tag object. See the documentation of Audio::File::Tag to learn about what the tag object does.

audio_properties

Returns a reference to the files audio properties object. See the documentation of Audio::File::AudioProperties to get information about what the audio properties object does.

save

Saves the audio file. This is not yet implemented but it should remember me to do it at some time..

type

Returns the files type.

The Audio File Library provides a uniform and elegant API for accessing a variety of audio file formats, such as AIFF/AIFF-C, WAVE, NeXT/Sun .snd/.au, Berkeley/IRCAM/CARL Sound File, Audio Visual Research, Amiga IFF/8SVX, and NIST SPHERE. Supported compression formats are currently G.711 mu-law and A-law and IMA and MS ADPCM.
Key goals of the Audio File Library are file format transparency and data format transparency. The same calls for opening a file, accessing and manipulating audio metadata (e.g. sample rate, sample format, textual information, MIDI parameters), and reading/writing sample data will work with any supported audio file format. Likewise, the format of the audio data presented to the application need not be like the format of the data contained in the file.
Enhancements:
- libaudiofile/Makefile.am, libaudiofile/audiofile.exports:
- Export only public entry points.
- Released version 0.2.6 of the Audio File Library.

Cactus is just an audio file player. But it has some features that makes it different from other players.
There are music databases and there are players like xmms with a small and leightweight, skinable GUI.
Cactus combines these two types in one player! With Cactus you can read your music collection into a database, create a playlist by browsing/searching it and finally switch to player view(F2-Key).
Main features:
- Plattform independent
- Browse your music collection by artist, albums and titles
- Tiny lightweight player combined with a powerful database for organizing mp3-files
- Save and Load m3u Playlists
- Supports ID3v1(read/write) and ID3v2(read)
- Easy tagging of mp3-files
Enhancements:
- Some bugs concerning the playlist/tag-editing now fixed...

Audio::TagLib::File is a file class with some useful methods for tag manipulation.

This class is a basic file class with some methods that are particularly useful for tag editors. It has methods to take advantage of ByteVector and a binary search method for finding patterns in a file.

DESTROY()

Destroys this File instance.

PV name()

Returns the file name in the local file system encoding.

Tag tag() [pure virtual]

Returns this files tag. This should be reimplemented in the concrete subclasses.

AudioProperties audioProperties() [pure virtual]

Returns this files audio properties. This should be reimplemented in the concrete subclasses. If no audio properties were read then this will return undef.

BOOL save() [pure virtual]

Save the file and its associated tags. This should be reimplemented in the concrete subclasses. Returns true if the save succeeds.

ByteVector readBlock(UV $length)

Reads a block of size $length at the current get pointer.

void writeBlock(ByteVector $data)

Attempts to write the block $data at the current get pointer. If the file is currently only opened read only -- i.e. readOnly() returns true -- this attempts to reopen the file in read/write mode.

IV find(ByteVector $pattern, IV $fromOffset = 0, ByteVector $before = ByteVector::null)

Returns the offset in the file that $pattern occurs at or -1 if it can not be found. If $before is set, the search will only continue until the pattern $before is found. This is useful for tagging purposes to search for a tag before the synch frame.

Searching starts at $fromOffset, which defaults to the beginning of the file.

This has the practial limitation that $pattern can not be longer than the buffer size used by readBlock(). Currently this is 1024 bytes.

IV rfind(ByteVector $pattern, IV $fromOffset = 0, ByteVector $before = ByteVector::null)

Returns the offset in the file that $pattern at or -1 if it can not be found. If $before is set, the search will only continue until the pattern $before is found. This is useful for tagging purposes to search for a tag before the synch frame.

Searching starts at $fromOffset and proceeds from the that point to the beginning of the file and defaults to the end of the file.

This has the practial limitation that $pattern can not be longer than the buffer size used by readBlock(). Currently this is 1024 bytes.

void insert(ByteVector $data, UV $start = 0, UV $replace = 0)

Insert $data at position $start in the file overwriting $replace bytes of the original content.

This method is slow since it requires rewriting all of the file after the insertion point.

void removeBlock(UV $start = 0, UV $length = 0)

Removes a block of the file starting a $start and continuing for $length bytes.
This method is slow since it involves rewriting all of the file after the removed portion.

BOOL readOnly()

Returns true if the file is read only (or if the file can not be opened).

BOOL isOpen()

Since the file can currently only be opened as an argument to the constructor (sort-of by design), this returns if that open succeeded.

BOOL isValid()

Returns true if the file is open and readble and valid information for the Tag and / or AudioProperties was found.

void seek(IV $offset, PV $p = "Beginning")

Move the I/O pointer to $offset in the file from position $p. This defaults to seeking from the beginning of the file.

void clear()

Reset the end-of-file and error flags on the file.

IV tell()

Returns the current offset withing the file.

IV length()

Returns the length of the file.

BOOL isReadable(PV $file) [static]

Returns true if $file can be opened for reading. If the file does not exist, this will return false.

BOOL isWritable(PV $file) [static]

Returns true if $file can be opened for writing.

%_Position

Position in the file used for seeking. C<<less