我正在尝试使用wave模块在Python中读取wav文件。
与我的应用程序不同的是,我没有使用文件或文件名来读取wav文件,而是将其保存在缓冲区中。
以下是我的操作:
import StringIO
buffer = StringIO.StringIO()
buffer.output(wav_buffer)
file = wave.open(buffer, 'r')
但当我运行它时,出现了EOFError
的错误...
File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/wave.py", line 493, in open
return Wave_read(f)
File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/wave.py", line 163, in __init__
self.initfp(f)
File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/wave.py", line 128, in initfp
self._file = Chunk(file, bigendian = 0)
File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/chunk.py", line 63, in __init__
raise EOFError
我知道使用
StringIO
可以创建wav文件,我尝试了以下代码并且成功了。import StringIO
buffer = StringIO.StringIO()
audio_out = wave.open(buffer, 'w')
audio_out.setframerate(m.getRate())
audio_out.setsampwidth(2)
audio_out.setcomptype('NONE', 'not compressed')
audio_out.setnchannels(1)
audio_out.writeframes(raw_audio)
audio_out.close()
buffer.flush()
# these lines do not work...
# buffer.output(wav_buffer)
# file = wave.open(buffer, 'r')
# this file plays out fine in VLC
file = open(FILE_NAME + ".wav", 'w')
file.write(buffer.getvalue())
file.close()
buffer.close()