1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
#!/usr/bin/env python
'''An example of encoding using the Python wave module'''
import ogg.vorbis, wave
fout = open('out.ogg', 'wb')
inwav = wave.open('in.wav','rb')
channels = inwav.getnchannels()
vd = ogg.vorbis.VorbisInfo(channels = channels,
rate = inwav.getframerate(),
quality = 0.2).analysis_init()
os = ogg.OggStreamState(5)
map(os.packetin, vd.headerout())
og = os.flush()
while og:
og.writeout(fout)
og = os.flush()
nsamples = 1024
eos = 0
total = 0
while not eos:
data = inwav.readframes(nsamples)
total = total + nsamples
if not data:
vd.write(None)
break
vd.write_wav(data)
#print 100.0 * total / inwav.getnframes()
vb = vd.blockout()
while vb:
vb.analysis()
vb.addblock()
op = vd.bitrate_flushpacket()
while op:
os.packetin(op)
while not eos:
og = os.pageout()
if not og: break
og.writeout(fout)
eos = og.eos()
op = vd.bitrate_flushpacket()
vb = vd.blockout()
|
