My talk for MOPCON 2014, http://mopcon.org/2014/session.php. "這個世代，還有多少人會每天死守著第四台看？又有多少人在通勤時直接透過手機或平板看戲劇？ 傳統電視台壟斷的電視頻道，與新起的影音串流服務，鹿死誰手，熟勝熟敗，我們還不知道。 但是我們可以從技術的角度，來抽絲剝繭像 Netflix 這樣的影音服務是怎麼建造起來的。 這是我想與你們分享並討論的議題～"

1. How
does
Ne)lix
Get
Built
and
Triumphed?
The
Video
Streaming
Era
MOPCON
2014
Image
by
Jakobnewman
hJp://bit.ly/1wr2tmF

2. • 官順暉
@drakeguan
(Drake)
• Sr.
Principal
Engineer,
KKBOX
• RD
Manager
&
Technical
ArYst,
電腦動畫公司
• Grand
Prize,
電腦遊戲設計大賽
• Administrator,
PJ
BBS

4. Ques%onnaire
Votes
家裏有裝第四台?
90%
常看電視?
50%
常透過網路看影音串流?
80%
付費網路影音串流服務？
10%

12. Source:
staYsta
hJp://bit.ly/1wr2GGD

13. Source:
staYsta
hJp://bit.ly/1wr2Iy9

14. Not
in
Asia
yet~
+700%
in
2
yr

16. Source:
Ericsson
hJp://bit.ly/1wr2TJQ

17. Image:
hJp://bit.ly/1wr2Z3W

18. Image:
Ne)lix
hJp://bit.ly/1wr32Nj

19. Ne)lix
Success
Factors
• API
reign
• Wide
cross-­‐pla)orm
client
support
• HTML5
with
custom
Webkit
engine
• Following
streaming
standards
• Data
speaks
• Cloud
hosYng
&
transcoding
Source:
hJp://bit.ly/1wr57Je

20. Some
of
the
many
Ne)lix-­‐ready
devices
Source:
hJp://slidesha.re/1wr42RC

21. Source:
hJp://bit.ly/1wr43Ff

22. Source:
Ne)lix

23. Source:
Ne)lix

24. Source:
Ne)lix

25. Source:
Ne)lix

26. RecommendaYon
Engine
User
Info
Movie
Metadata
Movie
RaYngs
Similar
Movies
API
Reviews
etc…
Source:
hJp://slidesha.re/1wr42RC

27. Source:
hJp://bit.ly/1wrW5LT

28. HOW
TO
DO
THAT
BY
OURSELVES?

29. Source:
hJp://slidesha.re/1wrWgXE

30. Source:
hJp://slidesha.re/1wrWgXE

31. Before
MPEG-­‐DASH
• Microson:
Microson
Smooth
Streaming
(2008)
• Apple:
HTTP
Live
Streaming
(2009)
• Adobe:
HTTP
Dynamic
Streaming
(2010)
• OPEN
IPTV
Forum:
HTTP
AdapYve
Streaming
• 3GPP:
AdapYve
HTTP
Streaming
• Real
Time
Streaming
Protocol
(RTSP/RTP/RTCP),
anyone
sYll
remembers
this
one?!

32. Source:
hJp://slidesha.re/1wrWgXE

33. Source:
hJp://slidesha.re/1wrWgXE

34. What
is
in
MPEG-­‐DASH?
• DASH
:=
MPD
+
Segment
(formats
mostly)
• MPD
– Media
PresentaYon
DescripYon,
as
XML
– Manifest
(or
index)
file
– Smart
playlist
(but
more
than
that)
• (Media)
Segment
– Physical
media
(video/audio/subYtle)
files
– Ini%aliza%on
and
media
segments

35. MPEG-­‐DASH

37. #2
#3
#2
#3
hJp://wolfcrow.com/blog/what-­‐is-­‐mpeg-­‐dash/

38. Source:
hJp://slidesha.re/1wrWvSy

39. Possible
Modules/Tasks
Server:
• Video
encoding/transcoding
• DRM
encrypYon
• MPD
generaYon
• HosYng
Client:
• HTTP
Request
Manager
• MPD
Parser
• DRM
decrypYon
• Player
– Segment
Parser/Merger
– Buffer
Model
• Bandwidth
EsYmator
• Adapta%on
Agent

40. STATUS
OF
MPEG-­‐DASH?

41. 整個業界極度重視與配合!
hJp://dashif.org/members/

42. 整個業界極度重視與配合!

43. 整個業界極度重視與配合!
Where
is
Apple
Inc.?

44. DRM?!

45. Source:
hJp://bit.ly/1wr57Je

46. 1ST
EXPOSURE
OF
MPEG-­‐DASH

47. Source:
hJp://bit.ly/1wr50gI

48. Source:
hJp://bit.ly/1wr50gI

49. DASH
DEMO
Source:
hJp://bit.ly/1wr4LSQ

50. MOBILE
BROADCASTING
WITH
DASH
AND
EMBMS/LTE
Source:
hJp://bit.ly/1wr4I9s

51. We,
deserving
a
good
video
streaming
service,
in
Taiwan!
THANK
YOU!