53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
import wave, struct
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class wavsound:
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"""wavsound object collects data from a wav file and stores it
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as a list of integers """
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def __init__(self, wav_file):
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self.data = []# set it as a local variable
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if wav_file == '':
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return
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#print(wav_file)
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waveFile = wave.open(wav_file, 'r')
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length = waveFile.getnframes()
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for i in range(0,length):
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waveData = waveFile.readframes(1)
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try:
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data = struct.unpack("<h", waveData)
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except:
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data = struct.unpack("<L", waveData)
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# data = struct.unpack("<h", waveData)
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# data = struct.unpack("<L", waveData)
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self.data.append(int(data[0]))
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# return data
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def get_data(self):
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return self.data
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# set data from a list of int
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def set_data(self, data):
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self.data = data
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# copy data from other wavsound
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def copy_from(self, other_wavsound):
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self.data = other_wavsound.get_data()
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# Get a small chunk of wavsound
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def get_chunk (self, section_no, num_chunk):
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new_wavsound = wavsound('')
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data = self.get_data()
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#print(len(self.get_data()))
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length = int(len(self.get_data())/num_chunk)
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#print(length)
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new_wavsound.set_data(data[(length*section_no):(length*(section_no+1))])
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return new_wavsound
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def __repr__(self):
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strr = ''
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for i in self.data:
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strr = strr + " " + str(i)
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return strr
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