Changeset 19b56b0 for python/aubiocut

Timestamp:

Mar 29, 2005, 5:51:44 PM (20 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:

9499a546

Parents:

7445aea

Message:

updated python/aubio/aubioclass.py and python/aubiocut

File:

• python/aubiocut (modified) (3 diffs)

python/aubiocut

@@ -11 +11 @@
 hopsize   = bufsize/2
 
-def getonsets(filein,threshold):
-        frameread = 0
-        filei     = sndfile(filein)
-        srate     = filei.samplerate()
-        channels  = filei.channels()
-        myvec     = fvec(hopsize,channels)
-        readsize  = filei.read(hopsize,myvec)
-        opick     = onsetpick(bufsize,hopsize,channels,myvec,threshold)
-        #newname   = "%s%.8f%s" % ("/tmp/",0.0000000,filein[-4:])
-        #fileo     = sndfile(newname,model=filei)
-        mylist    = list()
-        ovalist   = [0., 0., 0., 0., 0., 0.]
-        while(readsize==hopsize):
-                readsize = filei.read(hopsize,myvec)
-                isonset,val = opick.do(myvec)
-                ovalist.append(val)
-                ovalist.pop(0)
-                if (isonset == 1):
-                        i=len(ovalist)-1
-                        # find local minima 
-                        while ovalist[i-1] < ovalist[i] and i > 0:
-                                i -= 1
-                        now = (frameread+1-i)*hopsize/(srate+0.)
-                        mylist.append(now)
-                frameread += 1
-        return mylist
 
 def cutfile(filein,onsets):
         frameread = 0
+        zerothres = 0.002
         readsize  = hopsize 
         filei     = sndfile(filein)
-        srate     = filei.samplerate()
+        framestep = hopsize/(filei.samplerate()+0.)
         channels  = filei.channels()
         newname   = "%s%f%s" % ("/tmp/",0.0000000,filein[-4:])
@@ -50 +25 @@
         while(readsize==hopsize):
                 readsize = filei.read(hopsize,myvec)
-                now = (frameread)*hopsize/(srate+0.)
                 # write to current file
-                if len(onsets) and now >= onsets[0]:
+                if len(onsets) and frameread >= onsets[0]:
                     onsets.pop(0)
                     # write up to 1st zero crossing
                     zerocross = 0
-                    while ( abs( myvec.get(zerocross,0) ) > 0.002 ):
+                    while ( abs( myvec.get(zerocross,0) ) > zerothres ):
                         zerocross += 1
                     writesize = fileo.write(zerocross,myvec)
@@ -67 +41 @@
                     del fileo
                     fileo = sndfile("%s%s%f%s%s" % 
-                        (filein.split(".")[0].split("/")[-1],".",now,".",filein.split(".")[-1]),model=filei)
-                    # write after 1st zero crossing to new file
+                        (filein.split(".")[0].split("/")[-1],".",
+                        frameread*framestep,".",filein.split(".")[-1]),model=filei)
                     writesize = fileo.write(fromcross,mycopy)
                 else: