Module Mp3tag

module Mp3tag: sig  end

Interface for editing mp3 tags and getting information.

module Id3v1: sig  end

Reading and writing id3 v1.1 tags.

module Id3v2: sig  end

Reading and writing id3 v2.3 tags.

Reading and writing both versions of tags

val read_both_as_v1 : string -> Id3v1.tag

Get a v1 tag from the v1 and v2 tags of the given file. The returned tag is the result of merge v2 v1.

val read_both_as_v2 : string -> Id3v2.tag

Get a v2 tag from the v1 and v2 tags of the given file. The returned tag is the result of merge v2 v1.

val write_both_v1 : Id3v1.tag -> ?src:string -> string -> unit

Write the given v1 tag to the v1 and v2 tags of the given file.

src : the optional source filename, if it is different from the filename.

val write_both_v2 : Id3v2.tag -> ?src:string -> string -> unit

Write the given v2 tag to the v1 and v2 tags of the given file.

src : the optional source filename, if it is different from the filename.

Tag conversions

val v2_of_v1 : Id3v1.tag -> Id3v2.tag

val v1_of_v2 : Id3v2.tag -> Id3v1.tag

Genres

val string_of_genre : int -> string

Get the genre string from the given genre id.

val genre_of_string : string -> int

Get the genre id from the given genre string.

val genres : string list

The list of genre names.

Getting information on a MP3 file

type channel_mode =

type mp3_encoding =

`\|`	`CBR`	`(*`	`Constant Bit Rate`	`*)`
`\|`	`VBR`	`(*`	`Variable Bit Rate`	`*)`

type info = {

`duration : int;`	`(*`	`in seconds`	`*)`
`samplerate : int;`	`(*`	`in kilobits per second`	`*)`
`mode : channel_mode;`	`(*`	`stereo, mono, etc`	`*)`
`bitrate : int;`	`(*`	`in kilobits per second`	`*)`
`encoding : mp3_encoding;`	`(*`	`variable or constant bit rate`	`*)`
`filesize : int;`	`(*`	`in bytes`	`*)`

}

val info : string -> info

Return information on the given MP3 file.