rip.py

# -*- coding: utf-8 -*-

import wave
import struct

def rip():
    from ctypes import CDLL,POINTER,c_short
    cdio=CDLL('libcdio.so')
    paranoia=CDLL('libcdio_paranoia.so')
    h=cdio.cdio_open('/dev/cdrom',13)
    d=paranoia.cdio_cddap_identify_cdio(h,1,None)
    paranoia.cdio_cddap_open(d)
    s=paranoia.cdio_paranoia_init(d)
    for i in range(1,2):
        firstS=paranoia.cdio_cddap_track_firstsector(d,i)
        lastS=paranoia.cdio_cddap_track_lastsector(d,i)
        sectors=paranoia.cdio_cddap_disc_lastsector(d)
        paranoia.cdio_paranoia_read.restype=POINTER(c_short)
        f=wave.open('./file'+str(i)+'.wav','wb')
        f.setparams((2, 2, 44100, 0, 'NONE', 'not compressed'))
        data=[]
        for i in range(firstS,lastS+1):
            r=paranoia.cdio_paranoia_read(s,None)
            for i in range(1176):
                value=struct.pack('h',r[i])
                data.append(value)
        f.writeframes(''.join(data))
        f.close()
    paranoia.cdio_cddap_close_no_free_cdio(d)
    cdio.cdio_destroy(h)

def read():
    f=wave.open('./lol.wav','rb')
    numFrames=f.getnframes()
    numChannels=f.getnchannels()
    width=f.getsampwidth()
    raw_data=f.readframes(numFrames)
    samples=numFrames*numChannels
    f.close()
    if width==1:
        fmt='%iB'%samples
    elif width==2:
        fmt='%ih'%samples
    int_data=struct.unpack(fmt,raw_data)
    for i in int_data:
        print i
    """ff=wave.open('./rotfl.wav','wb')
    ff.setparams((2,2,44100,0,'NONE','not compressed'))
    data=[]
    for i in int_data:
        packed=struct.pack('h',i)
        data.append(packed)
    ff.writeframes(''.join(data))
    ff.close()"""

if __name__=='__main__':
    rip()