COMPARISON OF STREAMING TOOL - ???????G?? ???S

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COMPARISON OF STREAMING TOOL -???????G?? ???S

• S?????s? p?????t?? te???????a? ????

?a??a ?at??µpa???? ??????? 2002
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????? d??d?s?? a??e??? ß??te? st? ??ad??t??

• ??ta????sµ?? ??a ????????µ??? p????f???s?
• ???s? ???? µ??f?? te???????a?
• ??t?p?s?asµ?? t?? ep?s?ept??
• ???µ???s?, s??d?asµ??? µe d?as??das?
• ?et?d?s? a??????? pe????af?? (s??e?te??e??)
• ?p???ste?s? s???et?? d?ad??as???
• (e??at?stas? µ?a? efa?µ????)

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???te? st? ??ad??t?? ???e??as?
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???ß??µata ?et?d?s?? ß??te?

• 1 de?te????pt?? ß??te? µe?????? e????a? 640X480,
  ???µat???? ß????? 24 bit ?a? s????t?ta? a?a???s??
  30 frames/sec apa?te? ????t???t?ta t?? t???? t??
  26,4 MB
• .St? ??ad??t??, ? ta??t?ta s??des?? µp??e? ?a
  ?e????? ap? ta 28?bps µ?s? modem ?a? ?a ft??e?
  sta 400kbps st?? s??d?se?? µe cable modem.

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?p???s? ???ß??µat?? µet?d?s??

• ????s? t?? ?????? ?????
• S?µp?es? t?? a??e???

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????s? t?? ?????? ?????

• ISDN 128 kbps
• Cable modem - 400 kbps
• S??des? DSL 1,5 Mbps
• ????f????? S??des? 400kbps

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S?µp?es?

• Sorenson video
• RealVideo
• Windows Media Video

• ?.261
• (videoconferencing, ISDN)
• ?.263
• (e?????? t?? ?.261 )
• MPEG1
• (cd-rom, vcd, 30fps, ¼ ??????)
• MPEG2
• (dvd, 30fps, p???? ?????)
• MPEG4
• (µe????t??? p??t?p?)

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?e???????a ????
???s?µ?p??e?ta? e????? st?? ?a???sµ?? ?st? ??a ?a
µetaf??e? ß??te? µet? ap? apa?t?s?(on demand) ?
a?aµet?d?s? se p?a?µat??? ????? (real time).
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• ?a ded?µ??a st?????ta? ap? ??p???? e??p??et?t?
  st?? ?p?????st? pe??t?.
• ? efa?µ??? pe??t? p??? ste??e? ta ded?µ??a st??
  ????? ??at?e? se ??a? ?ata????t? ???a
  de?te???epta (pe??p?? 10) ded?µ???? ß??te?,
  ??at? ???e? ?a e?asfa??se? s??e?? ??? a??µa ?a?
  st?? pe??pt?s? ?a??st???s?? ????? t?? pa??t??.

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??O??????? ??????S?S ???????O?

• TCP
• UDP
• HTTP
• RTP
• RTCP
• RTSP

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??????S? ???????O? ???S SERVER OR SERVERLESS

• µ? ???s?µ?p???s? e?d???? e??p??et?t??, ?p?? ?
  µet?d?s? t?? ded?µ???? p?a?µat?p??e?ta? ?a??????
  µ?s? t?? web e??p??et?t? ?a? t?? p??t??????? HTTP
  
• ? ?pa??? e??? e?d???? e??p??et?t? p?? a?a?aµß??e?
  ?a µetad?se? ta streaming p???µes??? ded?µ??a,
  ???s?µ?p????ta? ?????? p??t?????a p?a?µat????
  ??????, ?p?? t? RTSP

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??????µµata a?apa?a????? ß??te?

• Real player
• Net show
• VIVO Player
• VDO live
• NetTOOB
• Cineweb
• Bamba ?.a
• ??e??a 1998

• Quick time 5.0
• Real player
• Windows Media player
• ??e??a 2002

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QuickTime Apple Camp.

• pa???eta? d??e??, e?t?? ap? t?? ??d?s? pro p??
  ??st??e? 29.99.
• ? e??at?stas? t?? QuickTime e??a? a??d???
• ?p??t?ta t?? efa?µ???? - ?s???? ????sµ???.
• ?e????e? ?e?t?????e? t?? flash 4.
• ??d?s? Pro pe????e? ?d?a?te?e? ?e?t?????e?,
  ?p?? µetat??p? wav se mp3, epe?e??as?a video,
  p??ß??? se p???? ?????

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Windows Media Player 7.1

• ?etaf??e? µe te???????a ???? ded?µ??a ß??te?
  ????
• ?e????e? ?e?t?????e? Jukebox
• ?p?t??pe? t?? a?t???af? cd st?? ?p?????st?
• ??a?e????eta? ?a? ap????e?e? ta a??e?a se ??a
  µ????
• ?e t?? ?d??? WindowsMedia.com e????? a?a??t?s?
  ?a? a?apa?a???? pe??e??µ???? ap? ?st?
• ???sßas? se pe??ss?te???? ap? 1500
• ?ad??f??????? sta?µ???.

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Real Player - RealNetworks

• RealOne ?µf???s? sa? XP
• S??des? µe pe??ss?te???? ap? 2500 ?ad??f???????
  sta?µ???
• ??????a ?pt???p???se??
• O µ???? p?? t???e? se
• Windows 95
• ???ß??? se µ?s? ?????

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?????? S?G???S?
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?????? S?G???S?
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?????? S?G???S?

• ???????? ?????S? ?a p?????ta t?? RealNetworks
• ???s? ???? t?? p??t???????
• ????????µ??? ??s? ??a a?apa?a???? ???? ?a? ß??te?
• ??a??p???t??? te????? ?p?st?????
• S??des? µe 2500 d??t?a???? ?ad??f. sta?µ???
• ?et?d?s? ß??te?, p???t?ta? DVD, p??ß??? se µ?s?
  ?????