#
#based?on?python-ebml?and?the?example?of?Carson?McDonald
#
#Created?by?Benjamin?Rainer?and?Stefan?Lederer

previous_offset?=?0
video_file?=?““
is_first?=?0
from?ebml.schema?import?EBMLDocument?UnknownElement?CONTAINER?BINARY
def?fill_video_info（element?offset?video_info）:
??global?previous_offset
??global?video_file
??global?is_first
??if?element.name?==?‘Duration‘:
????video_info[‘duration‘]?=?element.value
?
??if?element.name?==?‘DisplayWidth‘:
????video_info[‘width‘]?=?element.value
?
??if?element.name?==?‘DisplayHeight‘:
????video_info[‘height‘]?=?element.value
?
??if?element.name?==?‘FileMimeType‘:
????video_info[‘mimetype‘]?=?element.value

??if?element.name?==?‘Cluster‘:
????if?is_first?==?0:
???????video_info[‘segments‘].append（‘se>se>‘）
???????video_info[‘segments‘].append（‘‘）
???????is_first?=?is_first?+?1
????else:
???????video_info[‘segments‘].append（‘‘）
????

??if?element.name?==?‘Cluster‘:
????previous_offset?=?offset

??
??if?element.type?==?CONTAINER:
????for?sub_el?in?element.value:
??????fill_video_info（sub_el?offset?+?element.head_size?video_info）
??????offset?+=?sub_el.size
?
if?__name__?==?‘__main__‘:
??import?sys
??import?json
??import?os
??import?xmlrpclib;
??mod_name?_?cls_name?=?‘ebml.schema.matroska.MatroskaDocument‘.rpartition（‘.‘）
??try:
????doc_mod?=?__import__（mod_name?fromlist=[cls_name]）
????doc_cls?=?getattr（doc_mod?cls_name）
??except?ImportError:
????parser.error（‘unable?to?import?module?%s‘?%?mod_name）
??except?AttributeError:
????parser.error（‘unable?to?import?class?%s?from?%s‘?%?（cls_name?mod_name））
??global?video_file
??video_info?=?{}
??video_info[‘filename‘]?=?sys.argv[1]
??video_file?=?sys.argv[1]
??video_info[‘mimetype‘]?=?‘video/webm‘
??video_info[‘total_size‘]?=?os.stat（sys.argv[1]）.st_size
??video_info[‘segments‘]?=?[]
??video_info[‘segmentduration‘]?=?sys.argv[2]
??video_info[‘baseurl‘]?=?sys.argv[4]
??video_info[‘minBufferTime‘]?=?sys.argv[3]
????
??with?open（sys.argv[1]?‘rb‘）?as?stream:
????doc?=?doc_cls（stream）
????offset?=?0
????for?el?in?doc.roots:
??????fill_video_info（el?offset?video_info）
??????offset?+=?el.size
??print?‘seURL>‘?+?video_info[‘baseurl‘]?+?‘seURL>‘
??print?‘‘
??for?el?in?video_info[‘segments‘]:
?????print?el
??print?‘‘
??print?‘

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-07-21?14:19??DASH-JS-master\
?????文件????????6148??2014-07-21?14:19??DASH-JS-master\.DS_Store
?????文件???????18356??2014-07-21?14:19??DASH-JS-master\bigbuckbunny_mp.mpd
?????文件????????3001??2014-07-21?14:19??DASH-JS-master\create_mpd_segment_info.py
?????目錄???????????0??2014-07-21?14:19??DASH-JS-master\dash-js\
?????文件????????6148??2014-07-21?14:19??DASH-JS-master\dash-js\.DS_Store
?????文件????????5599??2014-07-21?14:19??DASH-JS-master\dash-js\DASHttp.js
?????文件????????4984??2014-07-21?14:19??DASH-JS-master\dash-js\adaptationlogic.js
?????文件????????2529??2014-07-21?14:19??DASH-JS-master\dash-js\bandwidth.js
?????文件????????5506??2014-07-21?14:19??DASH-JS-master\dash-js\basebuffer.js
?????文件????????1125??2014-07-21?14:19??DASH-JS-master\dash-js\buffer.js
?????文件????????2437??2014-07-21?14:19??DASH-JS-master\dash-js\dash.js
?????文件?????????208??2014-07-21?14:19??DASH-JS-master\dash-js\dashPlayerVars.js
?????文件????????1600??2014-07-21?14:19??DASH-JS-master\dash-js\eventHandlers.js
?????文件????????8206??2014-07-21?14:19??DASH-JS-master\dash-js\fplot.js
?????文件????????2453??2014-07-21?14:19??DASH-JS-master\dash-js\mediaSourceAPIAdaptation.js
?????文件????????5298??2014-07-21?14:19??DASH-JS-master\dash-js\mediaSourceBuffer.js
?????文件???????13965??2014-07-21?14:19??DASH-JS-master\dash-js\mpdParser.js
?????文件????????1885??2014-07-21?14:19??DASH-JS-master\dash-js\rate_measurement.js
?????文件????????3285??2014-07-21?14:19??DASH-JS-master\dash-js\timeBuffer.js
?????文件????????1709??2014-07-21?14:19??DASH-JS-master\dashtest.html
?????目錄???????????0??2014-07-21?14:19??DASH-JS-master\ebml\
?????文件??????????41??2014-07-21?14:19??DASH-JS-master\ebml\__init__.py
?????文件?????????203??2014-07-21?14:19??DASH-JS-master\ebml\__init__.pyc
?????文件???????14438??2014-07-21?14:19??DASH-JS-master\ebml\core.py
?????文件???????16224??2014-07-21?14:19??DASH-JS-master\ebml\core.pyc
?????文件????????1553??2014-07-21?14:19??DASH-JS-master\ebml\create_playlist.py
?????目錄???????????0??2014-07-21?14:19??DASH-JS-master\ebml\schema\
?????文件??????????89??2014-07-21?14:19??DASH-JS-master\ebml\schema\__init__.py
?????文件?????????303??2014-07-21?14:19??DASH-JS-master\ebml\schema\__init__.pyc
?????文件????????5888??2014-07-21?14:19??DASH-JS-master\ebml\schema\base.py
............此處省略30個文件信息