Python AudioDecoder示例

示例#1

文件： fp-image.py 项目： lalinsky/acoustid-tools

import re
import sys
import os
from chromaprint import Fingerprinter, decode_fingerprint
from audiodecoder import AudioDecoder
from PyQt4 import QtGui

def s32tou(x):
    return x % 2**32

def s24tou(x):
    return x % 2**24

#print libchromaprint.chromaprint_get_version()
print "=> Decoding audio data"
decoder = AudioDecoder(sys.argv[1])
length, sample_rate, num_channels, data = decoder.decode(duration=60)
print "=> Length:", length
print "=> Sample rate:", sample_rate
print "=> Number of channels:", num_channels

print "=> Calculating fingerprint"
fpcal = Fingerprinter()
fpcal.start(sample_rate, num_channels)
fpcal.feed(data)
fingerprint = fpcal.finish()

#print fingerprint
fp = decode_fingerprint(fingerprint)[0]

#fp = map(s24tou, fp)

示例#2

文件： acoustid-query.py 项目： lalinsky/acoustid-tools

#!/usr/bin/env python

import re
import sys
import time
import os
from chromaprint import Fingerprinter, decode_fingerprint
from audiodecoder import AudioDecoder

#print libchromaprint.chromaprint_get_version()
print "=> Decoding audio data"
decoder = AudioDecoder(sys.argv[1])
length, sample_rate, num_channels, data = decoder.decode(45)
print "=> Length:", length
print "=> Sample rate:", sample_rate
print "=> Number of channels:", num_channels

print "=> Calculating fingerprint"
fpcal = Fingerprinter()
fpcal.start(sample_rate, num_channels)
fpcal.feed(data)
fingerprint = fpcal.finish()

import urllib, urllib2
import json

data = {}
data['client'] = '8XaBELgH'
data['format'] = 'json'
data['meta'] = '2'
data['duration'] = str(length)

示例#3

文件： acoustid-query.py 项目： lalinsky/acoustid-tools

#!/usr/bin/env python

import re
import sys
import time
import os
from chromaprint import Fingerprinter, decode_fingerprint
from audiodecoder import AudioDecoder

#print libchromaprint.chromaprint_get_version()
print "=> Decoding audio data"
decoder = AudioDecoder(sys.argv[1])
length, sample_rate, num_channels, data = decoder.decode(45)
print "=> Length:", length
print "=> Sample rate:", sample_rate
print "=> Number of channels:", num_channels

print "=> Calculating fingerprint"
fpcal = Fingerprinter()
fpcal.start(sample_rate, num_channels)
fpcal.feed(data)
fingerprint = fpcal.finish()

import urllib, urllib2
import json

data = {}
data['client'] = '8XaBELgH'
data['format'] = 'json'
data['meta'] = '2'
data['duration'] = str(length)