ref: b49daf6cd100c92c728b3286d6579e5a479f9945
dir: /python/aubiofilter-notes/
#!/usr/bin/python """ this file is used to get filter the (old) output format of aubionotes """ # default parameters __eps = [0.250,0.50] # minimum length, pitch tolerance (ms,midipitch) __plot = 0 # -P (command line switch) __delay = 0.0 # -D <value> (fixed delay for score alignement) __winlength = 10 # -w <value> (window length for pitch estimation in frames) import getopt import sys def parse_args (sysargs): from getopt import gnu_getopt shortopts ='i:o:t:p:w:D:P:' longopts =('input=','output=','tolpitch=','toltime=','winlength=','delay','plot=') args,tmp = gnu_getopt(sysargs,shortopts,longopts) assert len(args) > 1 plot = __plot delay = __delay eps = __eps winlength = __winlength plot = __plot fileout = '/tmp/testprint.ps' args.sort() for i in range(len(args)): # a bad way if args[i][0] == '-i' or args[i][0] == '--input': fileorg = args[i][1] if args[i][0] == '-o' or args[i][0] == '--output': fileerr = args[i][1] if args[i][0] == '-t' or args[i][0] == '--toltime': eps[0] = float(args[i][1]) if args[i][0] == '-p' or args[i][0] == '--tolpitch': eps[1] = float(args[i][1]) if args[i][0] == '-D' or args[i][0] == '--delay': delay = float(args[i][1]) if args[i][0] == '-w' or args[i][0] == '--winlength': winlength = int(args[i][1]) if args[i][0] == '-P' or args[i][0] == '--plot': plot = 1 fileout = args[i][1] return fileorg,fileerr,eps,winlength,plot,delay,fileout def usage(): print __file__, "with at least some arguments" def main(): try: opts,args = getopt.getopt(sys.argv[1:], "hvo:i:p:P", ["help", "output=", "verbose", "input=", "plot="]) except getopt.GetoptError: usage() sys.exit(2) input = None output = None verbose = False winlength = __winlength plot = __plot eps = __eps for o, a in opts: if o in ("-v", "--verbose"): verbose = True if o in ("-h", "--help"): usage() sys.exit(2) if o in ("--output"): output = a if o in ("-i", "--input"): input = a if o in ("-P", "--plot"): plot = 1 assert input != None and input != "", "no input file" from aubio import notefilter,txtfile,gnuplot """ load midi and raw data """ from numarray import array notelist = array(txtfile.read_datafile(input)) """ filter it out """ notelist_filtered = notefilter.segraw_onsets4(notelist,winlength,eps) if verbose == 1 : for a,b in notelist_filtered: print a,b """ plot results """ if plot == 1 : gnuplot.plotnote(notelist_filtered,title=input,fileout=output) if __name__ == "__main__": main()