Changes between Initial Version and Version 1 of WiMAX/WiMAX-Tutorial/Dash/02


Ignore:
Timestamp:
07/21/13 11:30:02 (11 years ago)
Author:
cbn228@nyu.edu
Comment:

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  • WiMAX/WiMAX-Tutorial/Dash/02

    v1 v1  
     1'''[wiki:WiMAX/WiMAX-Tutorial/Dash/01 Previous]'''
     2
     3== MDP ==
     4
     5Media Presentation Description, as mentioned before is a XML file. It is located in the server along with the media content it describes.
     6Below is part of the file as presented at [[http://www-itec.uni-klu.ac.at/ftp/datasets/mmsys12/BigBuckBunny/bunny_2s_480p_only/bunny_Desktop.mpd Universität Klagenfurt]]
     7
     8This file defines:
     9
     10 * ''base URL'' - The URL/folder where the chunks are stored
     11 * ''Segment URL'' - Where each segment in particular can be found. This is relative to the Base URL
     12 * ''Representation'' - Presentation Parameters such as codecs, type, width, hight etc.
     13 * ''Duration'' and also ''Bitrate'' 
     14
     15
     16{{{
     17#!xml
     18<MPD xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:mpeg:DASH:schema:MPD:2011" xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011" profiles="urn:mpeg:dash:profile:isoff-main:2011" type="static" mediaPresentationDuration="PT0H9M56.46S" minBufferTime="PT15.0S">
     19<BaseURL>
     20http://www-itec.uni-klu.ac.at/ftp/datasets/mmsys12/BigBuckBunny/bunny_2s_480p_only/
     21</BaseURL>
     22<Period start="PT0S">
     23<AdaptationSet bitstreamSwitching="true">
     24<Representation id="0" codecs="avc1" mimeType="video/mp4" width="480" height="360" startWithSAP="1" bandwidth="101492">
     25<SegmentBase>
     26<Initialization sourceURL="bunny_2s_100kbit/bunny_480_100kbit_dash.mp4"/>
     27</SegmentBase>
     28<SegmentList duration="2">
     29<SegmentURL media="bunny_2s_100kbit/bunny_2s1.m4s"/>
     30<SegmentURL media="bunny_2s_100kbit/bunny_2s2.m4s"/>
     31<SegmentURL media="bunny_2s_100kbit/bunny_2s3.m4s"/>
     32<SegmentURL media="bunny_2s_100kbit/bunny_2s4.m4s"/>
     33<SegmentURL media="bunny_2s_100kbit/bunny_2s5.m4s"/>
     34<SegmentURL media="bunny_2s_100kbit/bunny_2s6.m4s"/>
     35<SegmentURL media="bunny_2s_100kbit/bunny_2s7.m4s"/>
     36<SegmentURL media="bunny_2s_100kbit/bunny_2s8.m4s"/>
     37<SegmentURL media="bunny_2s_100kbit/bunny_2s9.m4s"/>
     38<SegmentURL media="bunny_2s_100kbit/bunny_2s10.m4s"/>
     39<SegmentURL media="bunny_2s_100kbit/bunny_2s11.m4s"/>
     40<SegmentURL media="bunny_2s_100kbit/bunny_2s12.m4s"/>
     41<SegmentURL media="bunny_2s_100kbit/bunny_2s13.m4s"/>
     42<SegmentURL media="bunny_2s_100kbit/bunny_2s14.m4s"/>
     43<SegmentURL media="bunny_2s_100kbit/bunny_2s15.m4s"/>
     44<SegmentURL media="bunny_2s_100kbit/bunny_2s16.m4s"/>
     45
     46........
     47
     48}}}
     49
     50
     51'''[wiki:WiMAX/WiMAX-Tutorial/Dash/03 Next]'''