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[svtplaydump.git] / svtplaydump.py
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ca2553c7 1#!/usr/bin/env python
56181f0a 2# -*- coding: utf-8 -*-
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3#
4# (C) Copyright 2010 Mikael Frykholm <mikael@frykholm.com>
5#
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>
18#
19# Changelog:
56181f0a 20# 0.3 added apple streaming playlist parsing and decryption
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21# 0.2 added python 2.4 urlparse compatibility
22# 0.1 initial release
23
24from BeautifulSoup import BeautifulSoup
25from subprocess import *
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26import re
27import json
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28from Crypto.Cipher import AES
29import struct
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30try:
31 import urlparse
32except ImportError:
33 pass
34import urllib2
35try:
36 import urllib2.urlparse as urlparse
37except ImportError:
38 pass
39import sys
40
41def main(argv=None):
42 if argv is None:
43 argv=sys.argv
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44 page = urllib2.urlopen(argv[1]).read()
45 soup = BeautifulSoup(page,convertEntities=BeautifulSoup.HTML_ENTITIES)
46 videoid = re.findall("svt_article_id=(.*)[&]*",page)[0]
47 flashvars = json.loads(urllib2.urlopen("http://www.svt.se/wd?widgetId=248134&sectionId=1024&articleId=%s&position=0&format=json&type=embed&contextSectionId=1024"%videoid).read())
56181f0a 48 try:
a7502370 49 title = soup.find('meta',{'property':'og:title'}).attrMap['content']
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50 except:
51 title = "unnamed"
52 if 'dynamicStreams' in flashvars:
53 url = flashvars['dynamicStreams'][0].split('url:')[1].split('.mp4,')[0] +'.mp4'
54 filename = title+".mp4"
55 print Popen(["rtmpdump",u"-o"+filename,"-r", url], stdout=PIPE).communicate()[0]
56 if 'pathflv' in flashvars:
57 rtmp = flashvars['pathflv'][0]
58 filename = title+".flv"
59 print Popen(["mplayer","-dumpstream","-dumpfile",filename, rtmp], stdout=PIPE).communicate()[0]
89a00fa0 60 if 'video' in flashvars:
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61 for reference in flashvars['video']['videoReferences']:
62 if reference['url'].endswith("m3u8"):
63 url=reference['url']
64 download_from_playlist(url, title+'.ts')
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65 else:
66 print "Could not find any streams"
67 return
68
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69def download_from_playlist(url, title):
70 playlist = parse_playlist(urllib2.urlopen(url).read())
71 videourl = sorted(playlist, key=lambda k: int(k['BANDWIDTH']))[-1]['url']
72 segments, metadata = parse_segment_playlist(urllib2.urlopen(videourl).read())
73 if "EXT-X-KEY" in metadata:
74 key = urllib2.urlopen(metadata["EXT-X-KEY"]['URI'].strip('"')).read()
75 decrypt=True
76 else:
77 decrypt=False
78 with open("%s"%title,"w") as ofile:
79 segment=0
80 for url in segments:
81 print "Downloading: %s"%(url)
82 ufile = urllib2.urlopen(url)
83 if decrypt:
84 iv=struct.pack("IIII",segment,0,0,0)
85 decryptor = AES.new(key, AES.MODE_CBC, iv)
86 while(True):
87 buf = ufile.read(1024)
88 if buf:
89 if decrypt:
90 buf = decryptor.decrypt(buf)
91 ofile.write(buf)
92 else:
93 ufile.close()
94 break
95 segment += 1
96
97def parse_playlist(playlist):
98 assert playlist.startswith("#EXTM3U")
99 playlist = playlist.splitlines()[1:]
100 items=[]
101 for (metadata_string,url) in zip(playlist[0::2], playlist[1::2]):
102 md = dict()
103 assert 'EXT-X-STREAM-INF' in metadata_string.split(':')[0]
104 for item in metadata_string.split(':')[1].split(','):
105 if '=' in item:
106 md.update([item.split('='),])
107 md['url']=url
108 items.append(md)
109 return items
110
111def parse_segment_playlist(playlist):
112 assert playlist.startswith("#EXTM3U")
113 PATTERN = re.compile(r'''((?:[^,"']|"[^"]*"|'[^']*')+)''')
114 segments = []
115 next_is_url=False
116 metadata = {}
117 for row in playlist.splitlines():
118 if next_is_url:
119 segments.append(row)
120 next_is_url=False
121 continue
122 if 'EXTINF' in row:
123 next_is_url=True
124 if "EXT-X-KEY" in row:
125 row = row.split(':',1)[1] #skip first part
126 parts = PATTERN.split(row)[1:-1] #do magic re split and keep quoting
127 metadata["EXT-X-KEY"] = dict([part.split('=',1) for part in parts if '=' in part]) #throw away the commas and make dict of the pairs
128 return(segments, metadata)
129
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130if __name__ == "__main__":
131 sys.exit(main())