from aubio.aubioclass import * from params import taskparams class task(taskparams): """ default template class to apply tasks on a stream """ def __init__(self,input,output=None,params=None): """ open the input file and initialize default argument parameters should be set *before* calling this method. """ import time self.tic = time.time() if params == None: self.params = taskparams() else: self.params = params self.frameread = 0 self.readsize = self.params.hopsize self.input = input self.filei = sndfile(self.input) self.srate = self.filei.samplerate() self.params.step = float(self.params.hopsize)/float(self.srate) self.myvec = fvec(self.params.hopsize) self.output = output def __call__(self): self.readsize = self.filei.read(self.params.hopsize,self.myvec) self.frameread += 1 def compute_all(self): """ Compute data """ mylist = [] while(self.readsize==self.params.hopsize): tmp = self() if tmp: mylist.append(tmp) if self.params.verbose: self.fprint(tmp) return mylist def fprint(self,foo): print foo def eval(self,results): """ Eval data """ pass def plot(self): """ Plot data """ pass def time(self): import time #print "CPU time is now %f seconds," % time.clock(), #print "task execution took %f seconds" % (time.time() - self.tic) return time.time() - self.tic