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from ReadAudio import AudioReader
import sys
reader = AudioReader.open("./The_beach_boys__Kokomo9_5_AD9wXuYm4a_2.wav")
print reader.duration()
sys.exit(0);
import soundtouch
from array import array
import wave
# Open the file and convert it to have SoundTouch's required 2-byte samples
reader = AudioReader.open(srcpath)
reader2 = ConvertReader(reader, set_raw_width=2)
# Create the SoundTouch object and set the given shift
st = soundtouch.SoundTouch(reader2.sampling_rate(), reader2.channels())
st.set_pitch_shift(shift)
#{{{ writer WAV
# Create the .WAV file to write the result to
writer = wave.open(dstpath, 'w')
writer.setnchannels(reader2.channels())
writer.setframerate(reader2.sampling_rate())
writer.setsampwidth(reader2.raw_width())
#}}}
# Read values and feed them into SoundTouch
while True:
data = reader2.raw_read()
if not data:
break
print len(data)
st.put_samples(data)
while st.ready_count() > 0:
writer.writeframes(st.get_samples(11025))
# Flush any remaining samples
waiting = st.waiting_count()
ready = st.ready_count()
flushed = ""
# Add silence until another chunk is pushed out
silence = array('h', [0] * 64)
while st.ready_count() == ready:
st.put_samples(silence)
# Get all of the additional samples
while st.ready_count() > 0:
flushed += st.get_samples(4000)
st.clear()
if len(flushed) > 2 * reader2.getnchannels() * waiting:
flushed = flushed[0:(2 * reader2.getnchannels() * waiting)]
writer.writeframes(flushed)
# Clean up
writer.close()
reader2.close()
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