Changeset 1e3089c for python


Ignore:
Timestamp:
Mar 1, 2006, 4:21:59 AM (19 years ago)
Author:
Paul Brossier <piem@altern.org>
Branches:
feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+
Children:
7538ac5
Parents:
0fe9aab
Message:

remove old plot_pitch, plot_onset and getonsets, cutfile, getpitch
remove old plot_pitch, plot_onset and getonsets, cutfile, getpitch

Location:
python/aubio
Files:
2 edited

Legend:

Unmodified
Added
Removed
  • python/aubio/gnuplot.py

    r0fe9aab r1e3089c  
    150150        return Gnuplot.Data(x,y,with='lines')
    151151
    152 
    153 def plot_onsets(filename, onsets, ofunc, samplerate=44100., hopsize=512, outplot=None):
    154         import Gnuplot, Gnuplot.funcutils
    155         import aubio.txtfile
    156         import os.path
    157         import numarray
    158         import re
    159         from aubio.onsetcompare import onset_roc
    160 
    161         d,d2 = [],[]
    162         maxofunc = 0
    163         for i in range(len(onsets)):
    164                 if len(onsets[i]) == 0: onsets[i] = [0.];
    165 
    166                 # onset detection function
    167                 downtime = (hopsize/samplerate)*numarray.arange(len(ofunc[i]))
    168                 d.append(Gnuplot.Data(downtime,ofunc[i],with='lines'))
    169                 maxofunc = max(max(ofunc[i]), maxofunc)
    170 
    171         for i in range(len(onsets)):
    172                 # detected onsets
    173                 x1 = (hopsize/samplerate)*numarray.array(onsets[i])
    174                 y1 = maxofunc*numarray.ones(len(onsets[i]))
    175                 d.append(Gnuplot.Data(x1,y1,with='impulses'))
    176                 d2.append(Gnuplot.Data(x1,-y1,with='impulses'))
    177 
    178         # check if datafile exists truth
    179         datafile = filename.replace('.wav','.txt')
    180         if datafile == filename: datafile = ""
    181         if not os.path.isfile(datafile):
    182                 title = "truth file not found"
    183                 t = Gnuplot.Data(0,0,with='impulses')
    184         else:
    185                 t_onsets = aubio.txtfile.read_datafile(datafile)
    186                 y2 = maxofunc*numarray.ones(len(t_onsets))
    187                 x2 = numarray.array(t_onsets).resize(len(t_onsets))
    188                 d2.append(Gnuplot.Data(x2,y2,with='impulses'))
    189                
    190                 tol = 0.050
    191 
    192                 orig, missed, merged, expc, bad, doubled = \
    193                         onset_roc(x2,x1,tol)
    194                 title = "GD %2.3f%% FP %2.3f%%" % \
    195                         ((100*float(orig-missed-merged)/(orig)),
    196                          (100*float(bad+doubled)/(orig)))
    197 
    198         # audio data
    199         time,data = audio_to_array(filename)
    200         d2.append(make_audio_plot(time,data))
    201 
    202         # prepare the plot
    203         g = gnuplot_init(outplot)
    204 
    205         g('set title \'%s %s\'' % (re.sub('.*/','',filename),title))
    206 
    207         g('set multiplot')
    208 
    209         # hack to align left axis
    210         g('set lmargin 15')
    211 
    212         # plot waveform and onsets
    213         g('set size 1,0.3')
    214         g('set origin 0,0.7')
    215         g('set xrange [0:%f]' % max(time))
    216         g('set yrange [-1:1]')
    217         g.ylabel('amplitude')
    218         g.plot(*d2)
    219        
    220         g('unset title')
    221 
    222         # plot onset detection function
    223         g('set size 1,0.7')
    224         g('set origin 0,0')
    225         g('set xrange [0:%f]' % (hopsize/samplerate*len(ofunc[0])))
    226         g('set yrange [0:%f]' % (maxofunc*1.01))
    227         g.xlabel('time')
    228         g.ylabel('onset detection value')
    229         g.plot(*d)
    230 
    231         g('unset multiplot')
    232 
    233 
    234 def plot_pitch(filename, pitch, samplerate=44100., hopsize=512, outplot=None):
    235         import aubio.txtfile
    236         import os.path
    237         import numarray
    238         import Gnuplot
    239         import re
    240 
    241         d = []
    242         maxpitch = 1000.
    243         for i in range(len(pitch)):
    244                 #if len(pitch[i]) == 0: pitch[i] = [0.];
    245 
    246                 downtime = (hopsize/samplerate)*numarray.arange(len(pitch[i]))
    247                 d.append(Gnuplot.Data(downtime,pitch[i],with='lines',
    248                         title=('%d' % i)))
    249                 maxpitch = max(maxpitch,max(pitch[i][:])*1.1)
    250 
    251         # check if ground truth exists
    252         datafile = filename.replace('.wav','.txt')
    253         if datafile == filename: datafile = ""
    254         if not os.path.isfile(datafile):
    255                 title = "truth file not found"
    256                 t = Gnuplot.Data(0,0,with='impulses')
    257         else:
    258                 title = "truth file plotting not implemented yet"
    259                 values = aubio.txtfile.read_datafile(datafile)
    260                 if (len(datafile[0])) > 1:
    261                         time, pitch = [], []
    262                         for i in range(len(values)):
    263                                 time.append(values[i][0])
    264                                 pitch.append(values[i][1])
    265                         d.append(Gnuplot.Data(time,pitch,with='lines',
    266                                 title='ground truth'))
    267                
    268         # audio data
    269         time,data = audio_to_array(filename)
    270         f = make_audio_plot(time,data)
    271 
    272         g = gnuplot_init(outplot)
    273         g('set title \'%s %s\'' % (re.sub('.*/','',filename),title))
    274         g('set multiplot')
    275         # hack to align left axis
    276         g('set lmargin 15')
    277         # plot waveform and onsets
    278         g('set size 1,0.3')
    279         g('set origin 0,0.7')
    280         g('set xrange [0:%f]' % max(time))
    281         g('set yrange [-1:1]')
    282         g.ylabel('amplitude')
    283         g.plot(f)
    284         g('unset title')
    285         # plot onset detection function
    286         g('set size 1,0.7')
    287         g('set origin 0,0')
    288         g('set xrange [0:%f]' % max(time))
    289         g('set yrange [40:%f]' % maxpitch)
    290         g('set key right top')
    291         g('set noclip one')
    292         g.xlabel('time')
    293         g.ylabel('frequency (Hz)')
    294         g.plot(*d)
    295         g('unset multiplot')
    296 
    297152def gnuplot_init(outplot,debug=0,persist=1):
    298153        # prepare the plot
  • python/aubio/tasks.py

    r0fe9aab r1e3089c  
    7171                 print "error: unknown pitch detection output selected"
    7272                 sys.exit(1)
    73 
    74 
    75 #def getonsets(filein,threshold=0.2,silence=-70.,bufsize=1024,hopsize=512,
    76 #                mode='dual',localmin=False,storefunc=False,derivate=False):
    77 #        frameread = 0
    78 #        filei     = sndfile(filein)
    79 #        channels  = filei.channels()
    80 #        myvec     = fvec(hopsize,channels)
    81 #        readsize  = filei.read(hopsize,myvec)
    82 #        opick     = onsetpick(bufsize,hopsize,channels,myvec,threshold,
    83 #                         mode=mode,derivate=derivate)
    84 #        mylist    = list()
    85 #        if localmin:
    86 #                ovalist   = [0., 0., 0., 0., 0.]
    87 #        ofunclist = []
    88 #        while(readsize):
    89 #                readsize = filei.read(hopsize,myvec)
    90 #                isonset,val = opick.do(myvec)
    91 #                if (aubio_silence_detection(myvec(),silence)):
    92 #                        isonset=0
    93 #                if localmin:
    94 #                        if val > 0: ovalist.append(val)
    95 #                        else: ovalist.append(0)
    96 #                        ovalist.pop(0)
    97 #                if storefunc:
    98 #                        ofunclist.append(val)
    99 #                if (isonset == 1):
    100 #                        if localmin:
    101 #                                i=len(ovalist)-1
    102 #                                # find local minima before peak
    103 #                                while ovalist[i-1] < ovalist[i] and i > 0:
    104 #                                        i -= 1
    105 #                                now = (frameread+1-i)
    106 #                        else:
    107 #                                now = frameread
    108 #                        if now > 0 :
    109 #                                mylist.append(now)
    110 #                        else:
    111 #                                now = 0
    112 #                                mylist.append(now)
    113 #                frameread += 1
    114 #        return mylist, ofunclist
    115 #
    116 #def cutfile(filein,slicetimes,zerothres=0.008,bufsize=1024,hopsize=512):
    117 #    frameread = 0
    118 #    readsize  = hopsize
    119 #    filei     = sndfile(filein)
    120 #    framestep = hopsize/(filei.samplerate()+0.)
    121 #    channels  = filei.channels()
    122 #    newname   = "%s%s%09.5f%s%s" % (filein.split(".")[0].split("/")[-1],".",
    123 #                frameread*framestep,".",filein.split(".")[-1])
    124 #    fileo     = sndfile(newname,model=filei)
    125 #    myvec     = fvec(hopsize,channels)
    126 #    mycopy    = fvec(hopsize,channels)
    127 #    while(readsize==hopsize):
    128 #        readsize = filei.read(hopsize,myvec)
    129 #        # write to current file
    130 #        if len(slicetimes) and frameread >= slicetimes[0]:
    131 #            slicetimes.pop(0)
    132 #            # write up to 1st zero crossing
    133 #            zerocross = 0
    134 #            while ( abs( myvec.get(zerocross,0) ) > zerothres ):
    135 #                zerocross += 1
    136 #            writesize = fileo.write(zerocross,myvec)
    137 #            fromcross = 0
    138 #            while (zerocross < readsize):
    139 #                for i in range(channels):
    140 #                    mycopy.set(myvec.get(zerocross,i),fromcross,i)
    141 #                    fromcross += 1
    142 #                    zerocross += 1
    143 #            del fileo
    144 #            fileo = sndfile("%s%s%09.5f%s%s" %
    145 #                (filein.split(".")[0].split("/")[-1],".",
    146 #                frameread*framestep,".",filein.split(".")[-1]),model=filei)
    147 #            writesize = fileo.write(fromcross,mycopy)
    148 #        else:
    149 #            writesize = fileo.write(readsize,myvec)
    150 #        frameread += 1
    151 #    del fileo
    152 #
    153 #
    154 #def getsilences(filein,hopsize=512,silence=-70):
    155 #    frameread = 0
    156 #    filei     = sndfile(filein)
    157 #    srate     = filei.samplerate()
    158 #    channels  = filei.channels()
    159 #    myvec     = fvec(hopsize,channels)
    160 #    readsize  = filei.read(hopsize,myvec)
    161 #    mylist    = []
    162 #    wassilence = 0
    163 #    while(readsize==hopsize):
    164 #        readsize = filei.read(hopsize,myvec)
    165 #        if (aubio_silence_detection(myvec(),silence)==1):
    166 #            if wassilence == 0:
    167 #                mylist.append(frameread)
    168 #                wassilence == 1
    169 #        else: wassilence = 0
    170 #        frameread += 1
    171 #    return mylist
    172 #
    173 #
    174 #def getpitch(filein,mode=aubio_pitch_mcomb,bufsize=1024,hopsize=512,omode=aubio_pitchm_freq,
    175 #        samplerate=44100.,silence=-70):
    176 #    frameread = 0
    177 #    filei     = sndfile(filein)
    178 #    srate     = filei.samplerate()
    179 #    channels  = filei.channels()
    180 #    myvec     = fvec(hopsize,channels)
    181 #    readsize  = filei.read(hopsize,myvec)
    182 #    pitchdet  = pitchdetection(mode=mode,bufsize=bufsize,hopsize=hopsize,
    183 #                         channels=channels,samplerate=srate,omode=omode)
    184 #    mylist    = []
    185 #    while(readsize==hopsize):
    186 #        readsize = filei.read(hopsize,myvec)
    187 #        freq = pitchdet(myvec)
    188 #        #print "%.3f     %.2f" % (now,freq)
    189 #        if (aubio_silence_detection(myvec(),silence)!=1):
    190 #                mylist.append(freq)
    191 #        else:
    192 #                mylist.append(-1.)
    193 #        frameread += 1
    194 #    return mylist
    195 
    19673
    19774class taskparams(object):
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