current_frames = 0
decoder = decoders.SHNDecoder(self.filename)
frame = decoder.read(4096)
while (len(frame) > 0):
f.write(frame.to_bytes(True, True))
current_frames += frame.frames
if (progress is not None):
progress(current_frames, total_frames)
frame = decoder.read(4096)
f.write(tail)
f.close()
except IOError, msg:
self.__unlink__(aiff_filename)
raise EncodingError(str(msg))
else:
AiffAudio.from_pcm(aiff_filename, to_pcm_progress(self, progress))
@classmethod
def from_wave(cls, filename, wave_filename, compression=None,
block_size=256, progress=None):
"""encodes a new AudioFile from an existing .wav file
takes a filename string, wave_filename string
of an existing WaveAudio file
and an optional compression level string
encodes a new audio file from the wave's data
at the given filename with the specified compression level
and returns a new ShortenAudio object"""
wave = WaveAudio(wave_filename)
