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Dec 28th, 2014
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  1. import Tkinter
  2. import Tkconstants
  3. import tkFileDialog
  4. import tkMessageBox
  5. import Nsound as ns
  6.  
  7.  
  8. class ResampleGUI(Tkinter.Frame):
  9.  
  10.     def __init__(self, root):
  11.         Tkinter.Frame.__init__(self, root)
  12.  
  13.         stepOne = Tkinter.LabelFrame(self, text=" WAV Resample: ")
  14.         stepOne.grid(row=0, columnspan=7, sticky='W', padx=5, pady=5, ipadx=5, ipady=5)
  15.  
  16.         inFileLbl = Tkinter.Label(stepOne, text="Input File Path:")
  17.         inFileLbl.grid(row=0, column=0, sticky='E', padx=5, pady=2)
  18.  
  19.         self.inFileTxt = Tkinter.Entry(stepOne)
  20.         self.inFileTxt.grid(row=0, column=1, columnspan=7, sticky="WE", pady=3)
  21.  
  22.  
  23.         inFileBtn = Tkinter.Button(stepOne, text="Open Wav file ... ", command=self.askopenfilename)
  24.         inFileBtn.grid(row=0, column=8, sticky='W', padx=5, pady=2)
  25.  
  26.         outFileLbl = Tkinter.Label(stepOne, text="Output File Path:")
  27.         outFileLbl.grid(row=1, column=0, sticky='E', padx=5, pady=2)
  28.  
  29.         self.outFileTxt = Tkinter.Entry(stepOne)
  30.         self.outFileTxt.grid(row=1, column=1, columnspan=7, sticky="WE", pady=2)
  31.  
  32.         outFileBtn = Tkinter.Button(stepOne, text="      Resample       ", command=self.asksaveasfilename)
  33.         outFileBtn.grid(row=1, column=8, sticky='W', padx=5, pady=2)
  34.  
  35.         inEncLbl = Tkinter.Label(stepOne, text="Input File Frequency:")
  36.         inEncLbl.grid(row=2, column=0, sticky='E', padx=5, pady=2)
  37.  
  38.         self.inFTxt = Tkinter.Entry(stepOne)
  39.         self.inFTxt.grid(row=2, column=1, sticky='E', pady=2)
  40.  
  41.         outEncLbl = Tkinter.Label(stepOne, text="Output File Frequency:")
  42.         outEncLbl.grid(row=2, column=5, padx=5, pady=2)
  43.  
  44.         self.outFTxt = Tkinter.Entry(stepOne)
  45.         self.outFTxt.grid(row=2, column=7, pady=2)
  46.  
  47.  
  48.  
  49.  
  50.  
  51.         # options for buttons
  52.         button_opt = {'fill': Tkconstants.BOTH, 'padx': 5, 'pady': 5}
  53.  
  54.         self.file_opt = options = {}
  55.  
  56.         options['defaultextension'] = '.wav'
  57.         options['filetypes'] = [('WAV', '.wav')]
  58.         options['initialdir'] = 'C:\\'
  59.         options['initialfile'] = 'sound'
  60.         options['parent'] = root
  61.         options['title'] = 'Open Wav file'
  62.  
  63.  
  64.     def askopenfilename(self):
  65.  
  66.         filename = tkFileDialog.askopenfilename(**self.file_opt)
  67.  
  68.         if filename:
  69.             self.in_field = Tkinter.StringVar()
  70.             self.in_field.set(filename)
  71.             self.inFileTxt['textvariable'] = self.in_field
  72.  
  73.             fl = str(filename.decode("utf-8"))
  74.             a1 = ns.AudioStream(fl)
  75.             source = a1.getSampleRate()
  76.  
  77.             self.inF_filed = Tkinter.StringVar()
  78.             self.inF_filed.set(str(float(source)))
  79.             self.inFTxt['textvariable'] = self.inF_filed
  80.  
  81.             return True
  82.  
  83.     def asksaveasfilename(self):
  84.  
  85.         outF = self.outFTxt.get()
  86.  
  87.         save_filename = tkFileDialog.asksaveasfilename(**self.file_opt)
  88.  
  89.         #TODO if file exis
  90.  
  91.  
  92.         target = float(outF)
  93.  
  94.         a1 = ns.AudioStream(str(self.inFileTxt.get()))
  95.         source = a1.getSampleRate()
  96.  
  97.         print "source: %d" %(source)
  98.         print "target: %d" %(target)
  99.  
  100.         ratio = target / source
  101.  
  102.         print "ratio:  %f" %(ratio)
  103.  
  104.         a2 = a1.getResample(ratio)
  105.  
  106.         a2.setSampleRate(int(target))
  107.  
  108.         a2 >> str(save_filename)
  109.  
  110.         tkMessageBox.showinfo("Success! ", "completed!")
  111.  
  112.         return True
  113.  
  114. if __name__ == '__main__':
  115.  
  116.         root = Tkinter.Tk()
  117.         root.wm_title(u"WAV Resampler (C) MKobilev")
  118.         ResampleGUI(root).pack()
  119.         root.mainloop()
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