libmp3splt-dev 0.7.1-0ubuntu1 / usr / include / libmp3splt / mp3splt.h

/**********************************************************
 *
 * libmp3splt -- library based on mp3splt,
 *               for mp3/ogg splitting without decoding
 *
 * Copyright (c) 2002-2005 M. Trotta - <mtrotta@users.sourceforge.net>
 * Copyright (c) 2005-2011 Alexandru Munteanu - io_fx@yahoo.fr
 *
 * http://mp3splt.sourceforge.net
 *
 *********************************************************/

/**********************************************************
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307,
 * USA.
 *
 *********************************************************/

#ifndef MP3SPLT_MP3SPLT_H

#include <sys/types.h>
#include <stdlib.h>
#include <stdio.h>

//libtool 1.4e is buggy on mingw if we include ltdl.h
#ifndef __WIN32__
#include <ltdl.h>
#endif

/**
 * @file  mp3splt.h
 * 
 * @brief Main types, error codes and confirmations.
 * 
 * This is the main file containing the most important types, error
 * codes and confirmations
 *
 * The errors are negative values, the warnings and the confirmations
 * are positive values
 */

/**
 * @brief True value
 */
#define SPLT_TRUE 1
/**
 * @brief False value
 */
#define SPLT_FALSE 0

/******************************/
/* Structures for the freedb  */

/**
 * @brief Defines one search result from the freedb search
 *
 * @see splt_freedb_results
 * @see mp3splt_get_freedb_search
 */
typedef struct {
  /**
   * @brief Name of the album for this result
   */
  char *name;
  /**
   * @brief Unique identifier for this result
   */
  int id;
  /**
   * @brief How many revisions this result has
   *
   * If having revisions, the unique identifier for a revision is
   * #id + revision + 1, with 0 <= revision < #revision_number\n
   */
  int revision_number;
  /**
   * @brief Contains the revisions of the result
   * 
   * The #revisions table contains #revision_number elements,
   * the consecutive numbers starting at 2 (you might not need it)
   */
  int *revisions;
} splt_freedb_one_result;

/**
 * @brief All the freedb search results
 *
 * @see splt_freedb_one_result
 * @see mp3splt_get_freedb_search
 */
typedef struct {
  /**
   * @brief All the freedb results
   */
  splt_freedb_one_result *results;
  /**
   * @brief How many results we have
   */
  int number;
} splt_freedb_results;

/**
 * @brief Maximum results for the freedb search
 */
#define SPLT_MAXCD 512

//maximum length of the disc id
#define SPLT_DISCIDLEN 8

//structure for the freedb search
struct splt_cd {
  char discid[SPLT_DISCIDLEN+1];
  char category[20];
};

typedef struct {
  struct splt_cd discs[SPLT_MAXCD];
  int foundcd;
} splt_cd_state;

//structure containing everything used for the
//freedb search
typedef struct {
  //we stock here the results of the freedb search
  splt_freedb_results *search_results;
  //we stock the state of the CD
  //(for the freedb search)
  splt_cd_state *cdstate;
} splt_freedb;

/******************************/
/* Structures for the wrap    */

/**
 * @brief The wrapped filenames found inside a file
 *
 * @see mp3splt_get_wrap_files
 */
typedef struct {
  /**
   * @brief How many filenames we have
   */
  int wrap_files_num;
  /**
   * @brief The filenames
   */
  char **wrap_files;
} splt_wrap;

/************************************/
/* Structures for the syncerrors    */

/**
 * @brief The number of syncerrors
 *
 * @see mp3splt_get_syncerrors
 */
typedef struct {
  off_t *serrors_points;
  /**
   * @brief How many syncerrors have been found
   */
  long int serrors_points_num;
} splt_syncerrors;

/***************************************/
/* Structures for the output format    */

#define SPLT_MAXOLEN 255
#define SPLT_OUTNUM  20

//structure defining the output format
typedef struct {
  //format as @n_@t.. as a string
  char *format_string;
  //when we have @n option on output format
  char output_format_digits;
  int output_alpha_format_digits;
  //format for the cddb cue output
  char format[SPLT_OUTNUM+1][SPLT_MAXOLEN];
} splt_oformat;

/***************************/
/* Structures for the tags */

/**
 * @brief The tags of a splitpoint
 *
 * The structure contains the tags that we can set to a filename
 * generated from a splitpoint. Tags may also define the output filenames.
 *
 * @see mp3splt_append_tags
 * @see mp3splt_get_tags
 */
typedef struct {
  /**
   * @brief The title
   */
  char *title;
  /**
   * @brief The artist
   */
  char *artist;
  /**
   * @brief The album
   */
  char *album;
  /**
   * @brief The performer
   * 
   * The performer is not part of the tags, but may replace the
   * #artist in some cases and it is useful for the output filenames\n
   * You can also look at #SPLT_OPT_OUTPUT_DEFAULT
   */
  char *performer;
  /**
   * @brief The year
   */
  char *year;
  /**
   * @brief A comment
   */
  char *comment;
  /**
   * @brief The track number
   */
  int track;
  /**
   * @brief The genre
   */
  char *genre;

  /*
   * @brief tags version (for mp3): 1 or 2 or 1 & 2
   */
  int tags_version;

  int set_original_tags;
} splt_tags;

typedef struct {
  splt_tags tags;
  void *all_original_tags;
} splt_original_tags;

/**
 * @brief Definition of a splitpoint
 *
 * @see mp3splt_append_splitpoint
 * @see mp3splt_get_splitpoints
 */
typedef struct {
  /**
   * @brief Value of the splitpoint in hundreths of seconds
   */
  long value;
  /**
   * @brief Name of the new filename issued from the splitpoint
   */
  char *name;
  /**
   * @brief Type of the splitpoint
   * @see splt_type_of_splitpoint
   */
  int type;
} splt_point;

/*****************************/
/* Structure for the silence */

struct splt_ssplit {
  double begin_position;
  double end_position;
  long len;
  struct splt_ssplit *next;
};

/**********************************/
/* Structure for the split        */

/**
 * @brief The data structure for the progress bar

  The meanings of the values are:

  float  = fraction in percent
  char * = string (name on the progress bar)

 */
typedef struct splt_progres {
  /*!maximum number of characters for the filename
  
    (without the extension) when displaying the 
    progress warning; default is 40 */
  int progress_text_max_char;
  //! Name of the file  we are currently splitting
  char filename_shorted[512];
  //!the current percent of the progress
  float percent_progress;
  //!the splitpoint we are currently splitting
  int current_split;
  //!the maximum number of splits
  int max_splits;
  /*!the progress bar type

    can be:
    - SPLT_PROGRESS_PREPARE
    - SPLT_PROGRESS_CREATE
    - SPLT_PROGRESS_SEARCH_SYNC
    - SPLT_PROGRESS_SCAN_SILENCE */
  int progress_type;
  //!infos for the silence split
  int silence_found_tracks;
  //! The silence leven in dB
  float silence_db_level;
  /*! use this variable as you wish
  
    this variable will not be modified by the library
    but it will be 0 at the start
  */
  int user_data;
  //! A pointer to the callback function
  void (*progress)(struct splt_progres*);
} splt_progress;

//!proxy information
typedef struct {
  //! True if we use a proxy
  int use_proxy;
  //! The name of the proxy
  char hostname[256];
  //! The port we use to access the procy
  int port;
  //! True if we need authentification
  int authentification;
  //! the username needed for authentification
  char user[256];
  //! the password needed for authentification
  char password[256];
} splt_proxy;

//!used with the 'put_message' function
typedef enum {
  /**
   * Info message
   */
  SPLT_MESSAGE_INFO,
  /**
   * Debug message
   */
  SPLT_MESSAGE_DEBUG
} splt_message_type;

//! The data libmp3splt keeps all its internal data in
typedef struct {
  //! total time of the song
  long total_time;
  //!When splitting: the number of the last splitpoint we arrived at.
  int current_split;
  //! for user feedback: the number of the file we are splitting
  int current_split_file_number;
  /*! how many split points do we have?
    
    this is updated only by
    check_splitpts_inf_song_length()
    If this function has not been called
    look at real_splitnumber instead.
  */
  int splitnumber;
  //!how many splitpoints do we have?
  int real_splitnumber;
  /*! Pointer to the fallback function that is 
      called when the library starts to split
      a new file.
      
      the char* is the filename that is currently
      being split.
  */
  void (*file_split)(const char *,int);
  //!All infos for the progress bar
  splt_progress *p_bar;
  //!callback for sending the silence level to the client
  void (*get_silence_level)(long time, float level, void *user_data);
  //!user data set by the client for the 'get_silence_level' function
  void *silence_level_client_data;
  //!sends a message to the main program to tell what we are doing
  void (*put_message)(const char *, splt_message_type );
  //!structure in which we have all the splitpoints
  splt_point *points;
  //!how many tags do we have?
  int real_tagsnumber;
  //!structure in which we have all the tags
  splt_tags *tags;
  splt_tags tags_like_x;
} splt_struct;

/**********************************/
/* Options structure              */

/**
 * @brief Values for the #SPLT_OPT_SPLIT_MODE option
 *
 * Values for the #SPLT_OPT_SPLIT_MODE option
 */
typedef enum {
  /**
   * Normal split
   */
  SPLT_OPTION_NORMAL_MODE,
  /**
   * Split the file created with mp3wrap or albumwrap
   */
  SPLT_OPTION_WRAP_MODE,
  /**
   * Split with silence detection
   */
  SPLT_OPTION_SILENCE_MODE,
  /**
   * Split with trim silence detection
   */
  SPLT_OPTION_TRIM_SILENCE_MODE,
  /**
   * Split with error mode 
   * It is useful to split large file derivated from a concatenation of
   * smaller files
   */
  SPLT_OPTION_ERROR_MODE,
  /**
   * Will create an indefinite number of smaller files with
   * a fixed time length specified by #SPLT_OPT_SPLIT_TIME
   */
  SPLT_OPTION_TIME_MODE,
  /**
   * Split in X pieces of equal time length.
   * X is defined by the #SPLT_OPT_LENGTH_SPLIT_FILE_NUMBER option
   */
  SPLT_OPTION_LENGTH_MODE,
} splt_split_mode_options;

/**
 * @brief Values for the #SPLT_OPT_OUTPUT_FILENAMES option
 *
 * Values for the #SPLT_OPT_OUTPUT_FILENAMES option
 */
typedef enum {
  //!output specified by the set_oformat
  SPLT_OUTPUT_FORMAT,
  //!the default output. depends of the type of the split.
  SPLT_OUTPUT_DEFAULT,
  /*!we don't change anything
    
    Of course we use our internal logic to generate at 
    least unique names in this case
  */
  SPLT_OUTPUT_CUSTOM
} splt_output_filenames_options;

/**
 * @brief Default value for the #SPLT_OPT_PARAM_THRESHOLD option
 */
#define SPLT_DEFAULT_PARAM_THRESHOLD -48.0
/**
 * @brief Default value for the #SPLT_OPT_PARAM_OFFSET option
 */
#define SPLT_DEFAULT_PARAM_OFFSET 0.8
/**
 * @brief Default value for the #SPLT_OPT_PARAM_MIN_LENGTH option
 */
#define SPLT_DEFAULT_PARAM_MINIMUM_LENGTH 0.0
/**
 * @brief Default value for the #SPLT_OPT_PARAM_MIN_TRACK_LENGTH option
 */
#define SPLT_DEFAULT_PARAM_MINIMUM_TRACK_LENGTH 0.0
/**
 * @brief Default value for the #SPLT_OPT_PARAM_GAP option
 */
#define SPLT_DEFAULT_PARAM_GAP 30
/**
 * @brief Default value for the #SPLT_OPT_PARAM_NUMBER_TRACKS option
 */
#define SPLT_DEFAULT_PARAM_TRACKS 0

/**
 * @brief Values for the #SPLT_OPT_TAGS option
 *
 * Values for the #SPLT_OPT_TAGS option
 */
typedef enum {
  /**
   * Keep the tags of the original file
   */
  SPLT_TAGS_ORIGINAL_FILE,
  /**
   * Keep the tags issued from cddb, cue or
   * set by the user with #mp3splt_append_tags
   */
  SPLT_CURRENT_TAGS,
  /**
   * Does not put any tags
   */
  SPLT_NO_TAGS,
  /**
   * Sets tags from filename regex.
   * See #mp3splt_set_input_filename_regex.
   */
  SPLT_TAGS_FROM_FILENAME_REGEX,
} splt_tags_options;

#define SPLT_ORIGINAL_TAGS_DEFAULT "%[@o,@N=1]"

#define SPLT_DEFAULT_OUTPUT "@f_@mm_@ss_@hh__@Mm_@Ss_@Hh"

/**
 * @brief Default output for the cddb and cue.
 * See #mp3splt_set_oformat
 */
#define SPLT_DEFAULT_CDDB_CUE_OUTPUT "@A - @n - @t"
/**
 * @brief Default output for the syncerror.
 * See #mp3splt_set_oformat
 */
#define SPLT_DEFAULT_SYNCERROR_OUTPUT "@f_error_@n"
/**
 * @brief Default output for the silence split.
 * See #mp3splt_set_oformat
 */
#define SPLT_DEFAULT_SILENCE_OUTPUT "@f_silence_@n"
/**
 * @brief Default output for the trim silence split.
 * See #mp3splt_set_oformat
 */
#define SPLT_DEFAULT_TRIM_SILENCE_OUTPUT "@f_trimmed"

//!structure with all the options supplied to split the file
typedef struct {
  /*! this field can take the following values:
     - SPLT_OPTION_NORMAL_MODE
     - SPLT_OPTION_WRAP_MODE
     - SPLT_OPTION_SILENCE_MODE
     - SPLT_OPTION_TRIM_SILENCE_MODE
     - SPLT_OPTION_ERROR_MODE
     - SPLT_OPTION_TIME_MODE
  */
  splt_split_mode_options split_mode;

  /*! might be:
       - SPLT_TAGS_ORIGINAL_FILE - write tags from original file
       - SPLT_NO_TAGS - does not write any tags
       - SPLT_CURRENT_TAGS - tags issued from the cddb or cue for example
       - or be set manually with the functions
         splt_tags_options tags;
  */
  splt_tags_options tags;

  int xing;

  //!defines the output filenames
  splt_output_filenames_options output_filenames;

  //!quiet mode: don't perform CRC check or other interaction with the user
  int quiet_mode;

  /*!Pretend to split the file, without real split

    this option works in all modes except error mode and dewrap split. 
  */
  int pretend_to_split;

  /*! frame mode (mp3 only). 

    Process all frames, seeking split positions by counting frames
    instead of bitrate guessing.
  */
  int option_frame_mode;
  //!the time of split when split_mode = OPTION_TIME_SPLIT
  float split_time;
  long overlap_time;
  //!this option uses silence detection to auto-adjust splitpoints.
  int option_auto_adjust;
  /*! True means: input not seekable. 

    enabling this allows you to split mp3 and ogg streams
    which can be read only one time and can’t be seeked.
    WARNING!
    if you don't know what this means you know why it is wise
    to set this to FALSE.
  */
  int option_input_not_seekable;

  /*! SPLT_TRUE= don't patse output filenames for illegal characters.

    Otherwise, we parse for illegal characters the filenames and replace
    them with '_'. The tags are always checked for illegal characters when
    set into filenames.
  */
  int create_dirs_from_filenames;

  //PARAMETERS---------------------------------------
  //PARAMETERS for option_auto_adjust and option_silence_mode:
  /*! the sound level to be considered silence
 
   (is a float number between -96 and 0. Default is -48 dB)*/
  float parameter_threshold;
  /*! the offset of cutpoint in silence

    Float number between -2 and 2 and allows you to adjust the offset
    of cutpoint in silence time.0 is the begin of silence, and 1 the
    end;default is 0.8. 

    Used for option_auto_adjust and option_silence_mode
  */
  float parameter_offset;

  //PARAMETERS for option_silence_mode:
  /*! the desired number of tracks for option_silence_mode

  (positive integer number of tracks to be split;by default all
  tracks are split)
  */
  int parameter_number_tracks;
  /*! The minimum silence length for option_silence_mode [in seconds]
    
    A positive float of the minimum number of seconds to be considered
    a valid splitpoint
  */
  float parameter_minimum_length;
  /*! The minimum track length for option_silence_mode [in seconds]
 
    A positive float of the minimum number of seconds to be considered
    a valid splitpoint
  */
  float parameter_min_track_length;

  //!possible values are #splt_str_format
  int artist_tag_format;
  //!possible values are #splt_str_format
  int album_tag_format;
  //!possible values are #splt_str_format
  int title_tag_format;
  //!possible values are #splt_str_format
  int comment_tag_format;

  //!true=replace underscores with space
  int replace_underscores_tag_format;

  //!SPLT_TRUE=set the current filename to split from FILE tag - if found in the CUE file
  int set_file_from_cue_if_file_tag_found;

  //!true=remove the silence between split tracks
  int parameter_remove_silence;

  //PARAMETERS for option_auto_adjust:
  /*! Auto-Adjust: the gap value around splitpoint to search for
    silence 
    
    (positive integer for the time to decode before and after
    splitpoint;default gap is 30 seconds)
  */
  int parameter_gap;

  /*! Copy all tags from tag number 'remaining_tags_like_x'
    
    set to -1 to disable
  */
  int remaining_tags_like_x;

  //!true=auto-increment the tracknumber of the tags
  int auto_increment_tracknumber_tags;

  /**
   * true=enable the silence points log ('mp3splt.log')
   */
  int enable_silence_log;

  /**
   * If we force the mp3 tags version to 1 or 2 or 1 & 2;
   * Set to 0 if force disable;
   * If disabled, original tags version is set to split files,
   *  or version 1 if compiled without libid3tag support
   */
  int force_tags_version;
  /**
   * the number of files to be created when splitting by equal time length
   */
  int length_split_file_number;
  int replace_tags_in_tags;
} splt_options;

/**********************************/
/* Main structure                 */

//internal structures
typedef struct
{
  //!Do we have send the message frame mode enabled?
  int frame_mode_enabled;
  //!if current_refresh_rate = refresh_rate, we call the progress callback
  int current_refresh_rate;
  //! if set to SPLT_TRUE then we don't send messages to clients
  int messages_locked;
  //!if we currently use the library, we lock it
  int library_locked;
  //!the new filename path (internal)
  char *new_filename_path;
} splt_internal;

/**
 * Structure containing information about one plugin.
 * Is filled with values at plugin initialisation.
 */
typedef struct
{
  float version;
  char *name;
  char *extension;
  char *upper_extension;
} splt_plugin_info;

//!contains pointers to the plugin functions
typedef struct {
  int (*check_plugin_is_for_file)(void *state, int *error);
  void (*set_plugin_info)(splt_plugin_info *info, int *error);
  void (*search_syncerrors)(void *state, int *error);
  void (*dewrap)(void *state, int listonly, const char *dir, int *error);
  void (*set_total_time)(void *state, int *error);
  int (*simple_split)(void *state, const char *output_fname, off_t begin, off_t end);
  double (*split)(void *state, const char *final_fname, double begin_point,
      double end_point, int *error, int save_end_point);
  int (*scan_silence)(void *state, int *error);
  int (*scan_trim_silence)(void *state, int *error);
  void (*set_original_tags)(void *state, int *error);
  void (*clear_original_tags)(splt_original_tags *original_tags);
  void (*init)(void *state, int *error);
  void (*end)(void *state, int *error);
} splt_plugin_func;

//!structure containing all the data about a plugin
typedef struct
{
  splt_plugin_info info;
  //!complete filename of the plugin shared object
  char *plugin_filename;
  //! plugin handle get with lt_dlopen, used later for lt_dlclose
  void *plugin_handle;
  //! plugin functions
  splt_plugin_func *func;
} splt_plugin_data;

//!internal plugins structure
typedef struct
{
  //!directories where we scan for plugins
  char **plugins_scan_dirs;
  int number_of_dirs_to_scan;
  //!the number of plugins found
  int number_of_plugins_found;
  //!data structure about all the plugins
  splt_plugin_data *data;
} splt_plugins;

//!structure containing error strings for error messages
typedef struct
{
  char *error_data;
  char *strerror_msg;
} splt_error;

//!structure for the splt state
typedef struct {

  //!setting to SPLT_TRUE cancels the split
  int cancel_split;
  //!filename to split
  char *fname_to_split;
  //!where the split file will be split
  char *path_of_split;

  //if this is non null, we write a m3u from the split files
  char *m3u_filename;
  
  //!setting tags from input filename regex
  char *input_fname_regex;

  char *default_comment_tag;
  char *default_genre_tag;

  //!tags of the original file to split
  splt_original_tags original_tags;

  //!options for the split
  splt_options options;
  //!split related
  splt_struct split;
  //!output format  
  splt_oformat oformat;
  //!wrap related
  splt_wrap *wrap;
  //!syncerror related
  splt_syncerrors *serrors;
  /*! counter for the number of sync errors found

    - the state->serros->serrors_points_num must be used when processing the
      syncerrors from 'serrors' 
    - this is just a standalone counter
  */
  unsigned long syncerrors;
  //!freedb related
  splt_freedb fdb;

  //!internal options
  splt_internal iopts;

  //!see the ssplit structure
  struct splt_ssplit *silence_list;

  //proxy infos
  //splt_proxy proxy;

  //!file format states, mp3,ogg..
  void *codec;

  //!error strings for error code messages
  splt_error err;

  //!plugins structure
  splt_plugins *plug;
  int current_plugin;

  //!filename of the silence log: 'mp3splt.log' in the original mp3splt
  char *silence_log_fname;
} splt_state;

/*****************************************/
/* Confirmations, errors and messages    */

//! All error codes we can generate
typedef enum {
  SPLT_OK = 0,

  SPLT_OK_SPLIT = 1,
  SPLT_SPLITPOINT_BIGGER_THAN_LENGTH = 4,
  SPLT_SILENCE_OK = 5,
  SPLT_TIME_SPLIT_OK = 6,
  SPLT_NO_SILENCE_SPLITPOINTS_FOUND = 7,
  SPLT_OK_SPLIT_EOF = 8,
  SPLT_LENGTH_SPLIT_OK = 9,
  SPLT_TRIM_SILENCE_OK = 10,

  SPLT_FREEDB_OK = 100,
  SPLT_FREEDB_FILE_OK = 101,
  SPLT_CDDB_OK = 102,
  SPLT_CUE_OK = 103,
  SPLT_FREEDB_MAX_CD_REACHED = 104,
  SPLT_AUDACITY_OK = 105,

  SPLT_DEWRAP_OK = 200,

  SPLT_SYNC_OK = 300,
  SPLT_MIGHT_BE_VBR = 301,

  SPLT_ERR_SYNC = -300,
  SPLT_ERR_NO_SYNC_FOUND = -301,
  SPLT_ERR_TOO_MANY_SYNC_ERR = -302,

  SPLT_OUTPUT_FORMAT_OK = 400,
  SPLT_OUTPUT_FORMAT_AMBIGUOUS = 401,

  SPLT_REGEX_OK = 800,

  SPLT_ERROR_SPLITPOINTS = -1,
  SPLT_ERROR_CANNOT_OPEN_FILE = -2,
  SPLT_ERROR_INVALID = -3,
  SPLT_ERROR_EQUAL_SPLITPOINTS = -5,
  SPLT_ERROR_SPLITPOINTS_NOT_IN_ORDER = -6,
  SPLT_ERROR_NEGATIVE_SPLITPOINT = -7,
  SPLT_ERROR_INCORRECT_PATH = -8,
  SPLT_ERROR_INCOMPATIBLE_OPTIONS = -10,
  SPLT_ERROR_INPUT_OUTPUT_SAME_FILE = -12,
  SPLT_ERROR_CANNOT_ALLOCATE_MEMORY = -15,
  SPLT_ERROR_CANNOT_OPEN_DEST_FILE = -16,
  SPLT_ERROR_CANT_WRITE_TO_OUTPUT_FILE = -17,
  SPLT_ERROR_WHILE_READING_FILE = -18,
  SPLT_ERROR_SEEKING_FILE = -19,
  SPLT_ERROR_BEGIN_OUT_OF_FILE = -20,
  SPLT_ERROR_INEXISTENT_FILE = -21,
  SPLT_SPLIT_CANCELLED = -22,
  SPLT_ERROR_LIBRARY_LOCKED = -24,
  SPLT_ERROR_STATE_NULL = -25,
  SPLT_ERROR_NEGATIVE_TIME_SPLIT = -26,
  SPLT_ERROR_CANNOT_CREATE_DIRECTORY = -27,
  SPLT_ERROR_CANNOT_CLOSE_FILE = -28,
  SPLT_ERROR_NO_PLUGIN_FOUND = -29,
  SPLT_ERROR_CANNOT_INIT_LIBLTDL = -30,
  SPLT_ERROR_CRC_FAILED = -31,
  SPLT_ERROR_NO_PLUGIN_FOUND_FOR_FILE = -32,
  SPLT_ERROR_PLUGIN_ERROR = -33,
  SPLT_ERROR_TIME_SPLIT_VALUE_INVALID = -34,
  SPLT_ERROR_LENGTH_SPLIT_VALUE_INVALID = -35,
  SPLT_ERROR_CANNOT_GET_TOTAL_TIME = -36,
  SPLT_ERROR_LIBID3 = -37,

  SPLT_FREEDB_ERROR_INITIALISE_SOCKET = -101,
  SPLT_FREEDB_ERROR_CANNOT_GET_HOST = -102,
  SPLT_FREEDB_ERROR_CANNOT_OPEN_SOCKET = -103,
  SPLT_FREEDB_ERROR_CANNOT_CONNECT = -104,
  SPLT_FREEDB_ERROR_CANNOT_SEND_MESSAGE = -105,
  SPLT_FREEDB_ERROR_INVALID_SERVER_ANSWER = -106,
  SPLT_FREEDB_ERROR_SITE_201 = -107,
  SPLT_FREEDB_ERROR_SITE_200 = -108,
  SPLT_FREEDB_ERROR_BAD_COMMUNICATION = -109,
  SPLT_FREEDB_ERROR_GETTING_INFOS = -110,
  SPLT_FREEDB_NO_CD_FOUND = -111,
  SPLT_FREEDB_ERROR_CANNOT_RECV_MESSAGE = -112,
  SPLT_INVALID_CUE_FILE = -115,
  SPLT_INVALID_CDDB_FILE = -116,
  SPLT_FREEDB_NO_SUCH_CD_IN_DATABASE = -118,
  SPLT_FREEDB_ERROR_SITE = -119,
  SPLT_FREEDB_ERROR_CANNOT_DISCONNECT = -120,

  SPLT_DEWRAP_ERR_FILE_LENGTH = -200,
  SPLT_DEWRAP_ERR_VERSION_OLD = -201,
  SPLT_DEWRAP_ERR_NO_FILE_OR_BAD_INDEX = -202,
  SPLT_DEWRAP_ERR_FILE_DAMAGED_INCOMPLETE = -203,
  SPLT_DEWRAP_ERR_FILE_NOT_WRAPED_DAMAGED = -204,

  SPLT_OUTPUT_FORMAT_ERROR = -400,

  SPLT_ERROR_INEXISTENT_SPLITPOINT = -500,

  SPLT_PLUGIN_ERROR_UNSUPPORTED_FEATURE = -600,

  SPLT_INVALID_AUDACITY_FILE = -700,

  SPLT_INVALID_REGEX = -800,
  SPLT_REGEX_NO_MATCH = -801,
} splt_code;

//internal
#define SPLT_INTERNAL_PROGRESS_RATE 1
#define SPLT_INTERNAL_FRAME_MODE_ENABLED 2

//progress messages
/**
 * @brief Progress messages sent from the library to the client
 *
 * Progress messages sent from the library to the client
 */
typedef enum {
  /**
   * Preparing to split a song
   */
  SPLT_PROGRESS_PREPARE,
  /**
   * Creating the split file
   */
  SPLT_PROGRESS_CREATE,
  /**
   * Searching for syncerrors
   */
  SPLT_PROGRESS_SEARCH_SYNC,
  /**
   * Scanning for silence
   */
  SPLT_PROGRESS_SCAN_SILENCE
} splt_progress_messages;

/**
 * @brief Integer options
 *
 * Integer options
 *
 * Use #mp3splt_set_option to set those options\n
 * Use #mp3splt_get_option to get those options
 */
typedef enum {
  /**
   * Pretend to split the file, without real split: this option works in
   * all modes except error mode and dewrap split.
   */
  SPLT_OPT_PRETEND_TO_SPLIT,
  /*
   * If quiet; we don't do CRC check or human interaction
   */
  SPLT_OPT_QUIET_MODE,
  /**
   * If we print out debug messages
   *
   * The option can take the values #SPLT_TRUE or #SPLT_FALSE
   *
   * Default is #SPLT_FALSE
   */
  SPLT_OPT_DEBUG_MODE,
  /**
   * The type of the split
   *
   * The option can take the values from #splt_split_mode_options
   *
   * Default is #SPLT_OPTION_NORMAL_MODE
   */
  SPLT_OPT_SPLIT_MODE,
  /**
   * The type of tags to put in the new split files
   *
   * The option can take the values from #splt_tags_options
   *
   * Default is #SPLT_CURRENT_TAGS
   */
  SPLT_OPT_TAGS,
  /**
   * #SPLT_TRUE if we write Xing header (mp3 only)
   */
  SPLT_OPT_XING,
  /**
   * If this option is SPLT_TRUE, we create directories from the output
   * file names without parsing for illegal characters the output filenames.
   *
   * Otherwise, we parse for illegal characters the filenames and replace
   * them with '_'. The tags are always checked for illegal characters when
   * set into filenames.
   *
   * Default is #SPLT_FALSE because it's safer to check for illegal
   * characters.
   */
  SPLT_OPT_CREATE_DIRS_FROM_FILENAMES,
  /**
   * The option can take the values from #SPLT_OUTPUT_FILENAMES_OPTIONS
   *
   * Default is #SPLT_FALSE
   */
  SPLT_OPT_OUTPUT_FILENAMES,
  /**
   * If we enable the frame mode or not \n
   * The frame mode processes the file frame by frame and
   * it is useful when splitting a VBR (Variable Bit Rate) file
   * 
   * The option can take the values #SPLT_TRUE or #SPLT_FALSE
   *
   * Default is #SPLT_TRUE
   */
  SPLT_OPT_FRAME_MODE,
  /**
   * If we use silence detection to auto-adjust splitpoints\n
   * The following options may change the behaviour of the
   * auto-adjust: #SPLT_OPT_PARAM_THRESHOLD, #SPLT_OPT_PARAM_OFFSET,
   * #SPLT_OPT_PARAM_GAP, #
   *
   * The option can take the values #SPLT_TRUE or #SPLT_FALSE
   *
   * Default is #SPLT_FALSE
   */
  SPLT_OPT_AUTO_ADJUST,
  /**
   * If the input is not seekable\n
   * This allows you to split mp3 and ogg streams which can be read
   * only one time and can't be seeked
   *
   * The option can take the values #SPLT_TRUE or #SPLT_FALSE
   *
   * Default is #SPLT_FALSE
   */
  SPLT_OPT_INPUT_NOT_SEEKABLE,
  /**
   * The desired number of tracks when having a
   * #SPLT_OPTION_SILENCE_MODE split
   *
   * The option can take positive integer values. 0 means that we
   * split as many files we found
   *
   * Default is #SPLT_DEFAULT_PARAM_TRACKS
   */
  SPLT_OPT_PARAM_NUMBER_TRACKS,
  /**
   * Allows you to remove the silence between the split tracks when
   * having a #SPLT_OPTION_SILENCE_MODE split
   *
   * The option can take the values #SPLT_TRUE or #SPLT_FALSE
   *
   * Default is #SPLT_FALSE
   */
  SPLT_OPT_PARAM_REMOVE_SILENCE,
  /**
   * The time to auto-adjust before and after splitpoint
   * when having the #SPLT_OPT_AUTO_ADJUST option
   *
   * The option can take positive integer values
   *
   * Default is #SPLT_DEFAULT_PARAM_GAP
   */
  SPLT_OPT_PARAM_GAP,
  /**
   * if to set all tags like X one
   */
  SPLT_OPT_ALL_REMAINING_TAGS_LIKE_X,
  /**
   * -if we auto increment the tracknumber in the tags
   */
  SPLT_OPT_AUTO_INCREMENT_TRACKNUMBER_TAGS,
  /**
   * if we enable the silence points log ('mp3splt.log')
   */
  SPLT_OPT_ENABLE_SILENCE_LOG,
  /**
   * if we force a tags version or not
   */
  SPLT_OPT_FORCE_TAGS_VERSION,
  /**
   * number of files to split by equal time length
   */
  SPLT_OPT_LENGTH_SPLIT_FILE_NUMBER,
  /**
   *
   */
  SPLT_OPT_REPLACE_TAGS_IN_TAGS,
  /** 
   * Time to overlap between the split files
   */
  SPLT_OPT_OVERLAP_TIME,
  /**
   * The interval for the #SPLT_OPTION_TIME_MODE split (in
   * hundreths of seconds)
   *
   * The option can take positive float values
   *
   * Default is 6000 hundreths of seconds (one minute)
   */
  SPLT_OPT_SPLIT_TIME,
  /**
   * The threshold  level (dB) to be considered silence\n
   * It is a float number between -96 and 0. It is used when
   * having a #SPLT_OPTION_SILENCE_MODE or a #SPLT_OPTION_TRIM_SILENCE_MODE split
   * or when having the #SPLT_OPT_AUTO_ADJUST option
   *
   * The option can take float values between -96 and 0
   *
   * Default is #SPLT_DEFAULT_PARAM_THRESHOLD
   */
  SPLT_OPT_PARAM_THRESHOLD,
  /**
   * Allows you to adjust the offset of cutpoint in silence time when
   * having a #SPLT_OPTION_SILENCE_MODE or a #SPLT_OPTION_TRIM_SILENCE_MODE split
   * or when having the #SPLT_OPT_AUTO_ADJUST option
   *
   * The option can take float values between -2 and 2\n
   * 0  is  the begin of silence, and 1 the end
   *
   * Default is #SPLT_DEFAULT_PARAM_OFFSET
   */
  SPLT_OPT_PARAM_OFFSET,
  /**
   * Minimum number of seconds to be considered a valid splitpoint\n
   * All silences shorter than this value are discarded.
   *
   * The option can take positive float values
   *
   * Default is #SPLT_DEFAULT_PARAM_MINIMUM_LENGTH
   */
  SPLT_OPT_PARAM_MIN_LENGTH,
  /**
   * Minimum number of seconds to be considered a valid track\n
   * All tracks shorter than this value are discarded.
   *
   * The option can take positive float values.
   *
   * Default is #SPLT_DEFAULT_PARAM_MINIMUM_TRACK_LENGTH
   */
  SPLT_OPT_PARAM_MIN_TRACK_LENGTH,
  /**
   * Format of the artist tag from filename.
   * Possible values are #splt_str_format
   */
  SPLT_OPT_ARTIST_TAG_FORMAT,
  /**
   * Format of the album tag from filename.
   * Possible values are #splt_str_format
   */
  SPLT_OPT_ALBUM_TAG_FORMAT,
  /**
   * Format of the title tag from filename.
   * Possible values are #splt_str_format
   */
  SPLT_OPT_TITLE_TAG_FORMAT,
  /**
   * Format of the comment tag from filename.
   * Possible values are #splt_str_format
   */
  SPLT_OPT_COMMENT_TAG_FORMAT,
  /**
   * Replace underscores with space when setting tags
   * from filename regex.
   */
  SPLT_OPT_REPLACE_UNDERSCORES_TAG_FORMAT,
  /**
   * If SPLT_TRUE, parse the FILE line and set the filename to split
   * from the CUE file.
   */
  SPLT_OPT_SET_FILE_FROM_CUE_IF_FILE_TAG_FOUND,
} splt_int_options;

typedef enum {
  SPLT_NO_CONVERSION,
  SPLT_TO_LOWERCASE,
  SPLT_TO_UPPERCASE,
  SPLT_TO_FIRST_UPPERCASE,
  SPLT_TO_WORD_FIRST_UPPERCASE
} splt_str_format;

/**
 * we define a 'skippoint' as a splitpoint that is not taken into
 * consideration
 */
typedef enum {
  /* a regular splitpoint */
  SPLT_SPLITPOINT,
  /* a skippoint */
  SPLT_SKIPPOINT,
} splt_type_of_splitpoint;


#define SPLT_UNDEFINED_GENRE "Other"

#define SPLT_ID3V1_NUMBER_OF_GENRES 127

/*! ID3v1 genres
*/
static const char splt_id3v1_genres[SPLT_ID3V1_NUMBER_OF_GENRES][25] = {
  {"Blues"},
  {"Classic Rock"}, {"Country"}, {"Dance"}, 
  {"Disco"},{"Funk"},{"Grunge"},{"Hip-Hop"},{"Jazz"},
  {"Metal"},{"New Age"},{"Oldies"}, {"Other"}, {"Pop"},
  {"R&B"}, {"Rap"}, {"Reggae"}, {"Rock"}, {"Techno"},
  {"Industrial"}, {"Alternative"}, {"Ska"}, {"Death metal"},
  {"Pranks"}, {"Soundtrack"}, {"Euro-Techno"},
  {"Ambient"}, {"Trip-hop"}, {"Vocal"}, {"Jazz+Funk"},
  {"Fusion"}, {"Trance"}, {"Classical"}, {"Instrumental"},
  {"Acid"}, {"House"}, {"Game"}, {"Sound clip"}, {"Gospel"},
  {"Noise"}, {"Alt. Rock"}, {"Bass"}, {"Soul"}, {"Punk"}, 
  {"Space"}, {"Meditative"}, {"Instrumental pop"}, 
  {"Instrumental rock"}, {"Ethnic"}, {"Gothic"},{"Darkwave"},
  {"Techno-Industrial"},{"Electronic"},{"Pop-Folk"},{"Eurodance"},
  {"Dream"},{"Southern Rock"},{"Comedy"}, {"Cult"},{"Gangsta"},
  {"Top 40"},{"Christian Rap"},{"Pop/Funk"}, {"Jungle"},
  {"Native American"},{"Cabaret"},{"New Wave"}, {"Psychedelic"},
  {"Rave"},{"Showtunes"},{"Trailer"}, {"Lo-Fi"},{"Tribal"},
  {"Acid Punk"},{"Acid Jazz"}, {"Polka"}, {"Retro"},
  {"Musical"},{"Rock & Roll"},{"Hard Rock"},

  {"Folk"}, {"Folk-Rock"}, {"National Folk"}, {"Swing"},
  {"Fast Fusion"}, {"Bebob"}, {"Latin"}, {"Revival"},
  {"Celtic"}, {"Bluegrass"}, {"Avantgarde"}, {"Gothic Rock"},
  {"Progressive Rock"}, {"Psychedelic Rock"}, {"Symphonic Rock"},
  {"Slow Rock"}, {"Big Band"}, {"Chorus"}, {"Easy Listening"},
  {"Acoustic"}, {"Humour"}, {"Speech"}, {"Chanson"}, {"Opera"},
  {"Chamber Music"}, {"Sonata"}, {"Symphony"}, {"Booty Bass"},
  {"Primus"}, {"Porn Groove"}, {"Satire"}, {"Slow Jam"},
  {"Club"}, {"Tango"}, {"Samba"}, {"Folklore"}, {"Ballad"},
  {"Power Ballad"}, {"Rhythmic Soul"}, {"Freestyle"}, {"Duet"},
  {"Punk Rock"}, {"Drum Solo"}, {"A capella"}, {"Euro-House"},
  {"Dance Hall"},

  {"misc"},
};

/**
 * Freedb constants
 */

/*
 * freedb2 search type
 */
#define SPLT_FREEDB_SEARCH_TYPE_CDDB_CGI 1
/*
 * freedb search type
 */
#define SPLT_FREEDB_SEARCH_TYPE_CDDB 2
/*
 * freedb get file type
 * we retrieve the file by using the cddb.cgi script
 * (usually on port 80)
 */
#define SPLT_FREEDB_GET_FILE_TYPE_CDDB_CGI 3
/*
 * we retrieve the file by using the freedb cddb protocol 
 * (usually on port 8880)
 */
#define SPLT_FREEDB_GET_FILE_TYPE_CDDB 4
/**
 * default port
 */
#define SPLT_FREEDB_CDDB_CGI_PORT 80
/**
 * default port
 */
#define SPLT_FREEDB_CDDB_PORT 8880
/**
 * urls of freedb2.org and freedb.org
 */
#define SPLT_FREEDB_CGI_SITE "freedb.org/~cddb/cddb.cgi"
#define SPLT_FREEDB2_CGI_SITE "tracktype.org/~cddb/cddb.cgi"

//package information constants
#ifndef SPLT_PACKAGE_NAME
/**
 * @brief Package name
 */
#define SPLT_PACKAGE_NAME "libmp3splt"
#endif
#ifndef SPLT_PACKAGE_VERSION
/**
 * @brief Package version
 */
#define SPLT_PACKAGE_VERSION "0.7.1"
#endif
/**
 * @brief Package authors
 */
#define SPLT_AUTHOR "Matteo Trotta | Munteanu Alexandru"
#define SPLT_EMAIL "<mtrotta@users.sourceforge.net> | <io_fx@yahoo.fr>"
/**
 * @brief Package website
 */
#define SPLT_WEBSITE "http://mp3splt.sourceforge.net"

/* other useful variables */

#define MP3SPLT_LIB_GETTEXT_DOMAIN "libmp3splt"

//backslash character
#ifndef SPLT_DIRCHAR
#ifdef __WIN32__
#define SPLT_DIRCHAR '\\'
#define SPLT_DIRSTR "\\"
#define SPLT_NDIRCHAR '/'
#else
#define SPLT_DIRCHAR '/'
#define SPLT_DIRSTR "/"
#define SPLT_NDIRCHAR '\\'
#endif
#endif

/**
 * @file mp3splt.h
 * 
 * @brief main functions
 * 
 * Contains the library API functions.
 */

/**
 * Initialisation and free
 */

/**
 * @brief Creates a new state structure
 *
 * Creates a new state structure, needed by libmp3splt
 */
splt_state *mp3splt_new_state(int *error);

//find plugins
int mp3splt_find_plugins(splt_state *state);

//this function frees the left variables in the library
//don't forget to call this function ONLY at the end of the program
//returns possible error
void mp3splt_free_state(splt_state *state, int *error);

/************************************/
/** \defgrout splt_filepaths Set filenames and paths

@{
*/

/** Sets the path for the creation of new split files

@param state The central struct libmp3splt keeps all its data in
@param path The new output path
@return The error code
 */
int mp3splt_set_path_of_split(splt_state *state, const char *path);

/** Sets path to the input file

@param state The central struct libmp3splt keeps all its data in
@param path The new input file name
@return The error code
 */
int mp3splt_set_filename_to_split(splt_state *state, const char *filename);

/** Reads out the path to the input file

Is very practical after importing a cue file: The cue file provides an
input filename but does not tell us about this.

@param state The central struct libmp3splt keeps all its data in
@param path The new input file name
@return The error code
 */
char *mp3splt_get_filename_to_split(splt_state *state);

int mp3splt_set_m3u_filename(splt_state *state, const char *filename);
int mp3splt_set_silence_log_filename(splt_state *state, const char *filename);

/**
 * Defines the regex that will be used for #SPLT_TAGS_FROM_FILENAME_REGEX
 * to get out tags.
 *
 * Example: (?<artist>.*?) _ (?<album>.*?) will extract
 * 'one artist' and 'one album' from 'one artist _ one album',
 */
int mp3splt_set_input_filename_regex(splt_state *state, const char *regex);

int mp3splt_set_default_comment_tag(splt_state *state, const char *default_comment_tag);

int mp3splt_set_default_genre_tag(splt_state *state, const char *default_genre_tag);

//@}

/************************************/
/*! @defgroup splt_callback_ The registering of callback functions

@{
 */

/** Register the function that is to be called if we got a text message

@param state The central struct libmp3splt keeps all its data in
@param message_cb The callback function
@return The error code
 */
int mp3splt_set_message_function(splt_state *state, 
    void (*message_cb)(const char *, splt_message_type));

/** Register the function that is to be called on creation of a output file

@param state The central struct libmp3splt keeps all its data in
@param file_cb The callback function
@return The error code
 */
int mp3splt_set_split_filename_function(splt_state *state,
    void (*file_cb)(const char *,int));

/** Register the progress bar callback

@param state The central struct libmp3splt keeps all its data in
@param progress_cb The callback function
@return The error code
 */
int mp3splt_set_progress_function(splt_state *state,
    void (*progress_cb)(splt_progress *p_bar));

int mp3splt_set_silence_level_function(splt_state *state,
  void (*get_silence_cb)(long time, float level, void *user_data),
  void *user_data);

//!@}

/************************************/
/*! @defgroup splt_splitpoints_ Splitpoint manipulation

@{
 */

/** Sets a new splitpoint
@param state The central struct libmp3splt keeps all its data in
@param type @see splt_type_of_splitpoint
@param split_value The position of the split point in 1/100s
@param name The name of the split point
@return The error code of any error that might have occoured
*/
int mp3splt_append_splitpoint(splt_state *state,
    long split_value, const char *name, int type);

/** returns a pointer to a list of all splitpoints

@param state The central struct libmp3splt keeps all its data in
@param error Is filled with the error code of any error that might
             have occoured
@param splitpoints_number The number of split points in the list
@return A pointer to the split point list
 */
const splt_point *mp3splt_get_splitpoints(splt_state *state,
    int *splitpoints_number, int *error);

/** erase all splitpoints
@param state The central struct libmp3splt keeps all its data in
@param error Is filled with the error code of any error that might
             have occoured
 */
void mp3splt_erase_all_splitpoints(splt_state *state,
    int *error);
//@}

/************************************/
/* Tags                             */

//puts a tag
int mp3splt_append_tags(splt_state *state, 
    const char *title, const char *artist,
    const char *album, const char *performer,
    const char *year, const char *comment,
    int track, const char *genre);

//returns a pointer to all the current tags
const splt_tags *mp3splt_get_tags(splt_state *state,
    int *tags_number, int *error);

//puts tags from a string
int mp3splt_put_tags_from_string(splt_state *state, const char *tags,
    int *error);

void mp3splt_erase_all_tags(splt_state *state,
    int *error);

/************************************/
/* Options                          */

int mp3splt_set_int_option(splt_state *state, int option_name, int value);
int mp3splt_set_long_option(splt_state *state, int option_name, long value);
int mp3splt_set_float_option(splt_state *state, int option_name, float value);

int mp3splt_get_int_option(splt_state *state, int option_name, int *error);
long mp3splt_get_long_option(splt_state *state, int option_name, int *error);
float mp3splt_get_float_option(splt_state *state, int option_name, int *error);

/************************************/
/* Split functions                  */

//split a ogg or mp3 file
//returns possible error
int mp3splt_split(splt_state *state);

//cancel split function
//returns possible error
void mp3splt_stop_split(splt_state *state,
    int *error);

/************************************/
/*    Cddb and Cue functions        */

//get the cue splitpoints from a file and puts them in the state
void mp3splt_put_cue_splitpoints_from_file(splt_state *state,
    const char *cue_file, int *error);

//read cddb splitpoints from file and puts them in the state
void mp3splt_put_cddb_splitpoints_from_file(splt_state *state,
    const char *cddb_file, int *error);

void mp3splt_put_audacity_labels_splitpoints_from_file(splt_state *state,
    const char *file, int *error);

/************************************/
/*    Freedb functions              */

//returns the freedb results and possible eerror
/**
 * @brief test
 */
const splt_freedb_results *mp3splt_get_freedb_search(splt_state *state,
    const char *searched_string,
    int *error,
    int search_type,
    const char *search_server,
    int port);

void mp3splt_write_freedb_file_result(splt_state *state,
    int disc_id,
    const char *cddb_file,
    int *error,
    int cddb_get_type,
    const char *cddb_get_server,
    int port);

void mp3splt_export_to_cue(splt_state *state, const char *out_file,
    short stop_at_total_time, int *error);

void mp3splt_set_oformat(splt_state *state,
    const char *format_string, int *error);

/************************************/
/* Other utilities                  */

//counts the number of tracks found with silence detection
int mp3splt_count_silence_points(splt_state *state, int *error);

int mp3splt_set_silence_points(splt_state *state, int *error);
void mp3splt_set_trim_silence_points(splt_state *state, int *error);

//returns the version of libmp3splt
void mp3splt_get_version(char *version);

//result must be freed
char *mp3splt_get_strerror(splt_state *state, int error_code);

//returns the number of syncerrors
//puts possible error in error variable
const splt_syncerrors *mp3splt_get_syncerrors(splt_state *state,
    int *error);

//returns the wrapped files found
const splt_wrap *mp3splt_get_wrap_files(splt_state *state, int *error);

int mp3splt_append_plugins_scan_dir(splt_state *state, char *dir);

#ifdef __WIN32__
char *mp3splt_win32_utf16_to_utf8(const wchar_t *source);
#endif

char **mp3splt_find_filenames(splt_state *state, const char *filename,
    int *num_of_files_found, int *error);

int mp3splt_u_check_if_directory(const char *fname);

void mp3splt_free_one_tag(splt_tags *tags);
splt_tags *mp3splt_parse_filename_regex(splt_state *state, int *error);

#define MP3SPLT_MP3SPLT_H

#endif