Keeps a dictionary with the hashes of the fingerprinted songs, in that way is possible to check whether or not an audio file was alre

Given a directory and a set of extensions it fingerprints all files that match each extension specified. :param path: path to the di

FFT the channel, log transform output, find local maxima, then return locally sensitive hashes. :param channel_samples: channel samples to f

Extracts song name from a file path. :param file_path: path to an audio file. :return: file name

Returns all fully fingerprinted songs in the database :return: a dictionary with the songs info.

Insert a multitude of fingerprints. :param song_id: Song identifier the fingerprints belong to :param hashes: A sequence of

Inserts a song name into the database, returns the new identifier of the song. :param song_name: The name of the song.

Sets a specific song as having all fingerprints in the database. :param song_id: song identifier.

Convert the input array `a` to a string of WAV data. a.dtype must be one of uint8, int16 or int32. Allowed sampwidth values are:

data must be the string containing the bytes from the wav file.

Finds hash matches that align in time with other matches and finds consensus about which hashes are "true" signal from the audio.

Called when the database should be cleared of all data.

Finds the corresponding matches on the fingerprinted audios for the given hashes. :param hashes: list of tuples for hashes and their

Given a path to a file the method generates hashes for it and stores them in the database for later be queried. :param file_

f""" Generate the fingerprints for the given sample data (channel). :param samples: list of ints which represents the channel info of

Hash list structure: sha1_hash[0:FINGERPRINT_REDUCTION] time_offset [(e05b341a9b77a51fd26, 32), ... ] :param peaks: list o

Generates a test file for each file recursively in `src` directory of given format using `nseconds` sampled from the audio file. Results

Extract maximum peaks from the spectogram matrix (arr2D). :param arr2D: matrix representing the spectogram. :param plot: for plotting th

Given a database type it returns a database instance for that type. :param database_type: type of the database. :return: an instance of

`src` is the source directory. `fmt` is the extension, ie ".mp3" or "mp3", etc.

Returns length of audio in seconds. Returns None if format isn't supported or in case of error.

Brings the song info from the database. :param song_id: song identifier. :return: a song by its identifier. Result must be a

`length` is total audio length in seconds `nseconds` is amount of time to sample in seconds `padding` is off-limits seconds at beginning

Load config from a JSON file

Returns all matching fingerprint entries associated with the given hash as parameter, if None is passed it returns all entries.

Searches the database for pairs of (hash, offset) values. :param hashes: A sequence of tuples in the format (hash, offset)

`seed` as None means that the sampling will be random. Setting your own seed means that you can produce the same experiment over and ove

Called on creation or shortly afterwards.

Called on creation or shortly afterwards.

Small function to generate a hash to uniquely generate a file. Inspired by MD5 version here: http://stackoverflow.com/a/1131255/712997 W

Called after the database instance has been given to the new process This will be called in the new process.

Called after the database instance has been given to the new process This will be called in the new process.

Called before the database instance is given to the new process

Called before the database instance is given to the new process

Deletes all audios given their ids. :param song_ids: song ids to delete from the database.

Given a list of song ids it deletes all songs specified and their corresponding fingerprints. :param song_ids: song ids to be delete

Given a list of song ids it deletes all songs specified and their corresponding fingerprints. :param song_ids: song ids to be delete

Called to remove any song entries that do not have any fingerprints associated with them.

Called to remove any song entries that do not have any fingerprints associated with them.

Called when the database should be cleared of all data.

Get all files that meet the specified extensions. :param path: path to a directory with audio files. :param extensions: file extensions

To pull all fingerprinted songs from the database. :return: a list of fingerprinted audios from the database.

Returns all fingerprints in the database. :return: a list containing all fingerprints stored in the db.

Returns all fingerprints in the database. :return: a list containing all fingerprints stored in the db.

Returns the fingerprints' count stored. :return: the number of fingerprints in the database.

Returns the fingerprints' count stored. :return: the number of fingerprints in the database.

Returns the song's count stored. :return: the amount of songs in the database.

Returns the song's count stored. :return: the amount of songs in the database.

Brings the song info from the database. :param song_id: song identifier. :return: a song by its identifier. Result must be a

Returns all fully fingerprinted songs in the database :return: a dictionary with the songs info.

Inserts a single fingerprint into the database. :param fingerprint: Part of a sha1 hash, in hexadecimal format :param song_i