如何从网络广播流中获取歌曲名称?
Python:从url获取shoutcast/网络广播电台的名称 https://stackoverflow.com/questions/3110494/python-get-name-of-shoutcast-internet-radio-station-from-url我看了这里,但只有广播电台的名称。但是如何获取正在播放的歌曲的名称呢?这是我想获取歌曲名称的流链接。http://pool.cdn.lagardere.cz/fm-evropa2-128 http://pool.cdn.lagardere.cz/fm-evropa2-128
我该怎么做呢?你能帮我吗?
要获取流标题,您需要请求元数据。看shoutcast/icecast 协议说明 http://www.smackfu.com/stuff/programming/shoutcast.html:
#!/usr/bin/env python
from __future__ import print_function
import re
import struct
import sys
try:
import urllib2
except ImportError: # Python 3
import urllib.request as urllib2
url = 'http://pool.cdn.lagardere.cz/fm-evropa2-128' # radio stream
encoding = 'latin1' # default: iso-8859-1 for mp3 and utf-8 for ogg streams
request = urllib2.Request(url, headers={'Icy-MetaData': 1}) # request metadata
response = urllib2.urlopen(request)
print(response.headers, file=sys.stderr)
metaint = int(response.headers['icy-metaint'])
for _ in range(10): # # title may be empty initially, try several times
response.read(metaint) # skip to metadata
metadata_length = struct.unpack('B', response.read(1))[0] * 16 # length byte
metadata = response.read(metadata_length).rstrip(b'\0')
print(metadata, file=sys.stderr)
# extract title from the metadata
m = re.search(br"StreamTitle='([^']*)';", metadata)
if m:
title = m.group(1)
if title:
break
else:
sys.exit('no title found')
print(title.decode(encoding, errors='replace'))
在这种情况下,流标题为空。
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