ref: 8b8336beecd4b559555b94d44ff89bd940b6c45a
dir: /python/aubiodiffs-onset/
#! /usr/bin/python
__LICENSE__ = """\
Copyright (C) 2004-2009 Paul Brossier <piem@aubio.org>
This file is part of aubio.
aubio 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 3 of the License, or
(at your option) any later version.
aubio 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 aubio. If not, see <http://www.gnu.org/licenses/>.
"""
__HELP__ = """\
# required arguments
-c targetfilename
-o detectfilename
(both must be text files with 1 time a line expressed in seconds)
# optional arguments
-D <delay> delay in seconds
-v verbose mode
-d debug mode
# output
results:number of correct detections
number of incorrect detections
number of doubled detections
number of total detections
number of total targets
# example:
$ aubioonset-comp -c checked-onsets.txt -o handlab-onsets.txt -v
( gd fp dd ) tot / real
( 5 4 0 ) 9 / 9
55.5555555556 %GD 44.4444444444 %FP 0.0 %OD
# bugs
does not scale to very long lists
"""
import sys
from aubio.onsetcompare import onset_diffs
from aubio.txtfile import read_datafile
# default values
fileo=None;filec=None;vmode=None;dmode=None;delay=0.
# default tolerance is 50 ms
#tol = 0.050
tol = 0.048
while len(sys.argv) >=2:
option = sys.argv[1]; del sys.argv[1]
if option == '-h': print __HELP__; sys.exit()
if option == '-o': fileo = sys.argv[1]; del sys.argv[1]
if option == '-c': filec = sys.argv[1]; del sys.argv[1]
if option == '-v': vmode = 'verbose'
if option == '-d': dmode = 'debug'
if option == '-D': delay = float(sys.argv[1]); del sys.argv[1]
if option == '-tol': tol = float(sys.argv[1]); del sys.argv[1]
# arguments required
if (not fileo) or (not filec):
print 'wrong set of arguments. use \'-h\' for help'
sys.exit('error: needs at least \'-c targets.txt -o detected.txt\'')
# load files
ltru, lres = read_datafile(fileo,depth=0),read_datafile(filec,depth=0)
# delay onsets as required with -D
if delay:
for i in range(len(lres)):
lres[i] = lres[i] + delay
# compute errors types
l = onset_diffs(ltru,lres,tol)
# print with 1ms precision
for i in l: print "%.3f" % float(i)