Streaming video is content sent in
compressed form over the Internet and
displayed by the viewer in real time.
A Web user does not have to wait to
download a file to play it. Instead, the
media is sent in a continuous stream of
data and is played as it arrives.
2. VIDEO IN WEB OVERVIEW
? Flash vs HTML5
? Evolution of Video Streaming
? Types of Video Streaming
? Working of Video Streaming
? Video Streaming pros and cons
3. Flash vs. HTML5
? Flash
¨C Flash is well established as a video
delivery platform
? HTML5
¨C It add a video directly to the web page,
without the need of plugin
5. Video in Web
¡ñ
Before HTML5, there was no standard for
showing videos on a web page.
? Before HTML5, videos could only be played
with a plug-in (like flash)
? The HTML5 <video> element specifies a
standard way to embed a video in a web
page.
7. Streaming Video
¡ñ
Streaming video is content sent in
compressed form over the Internet and
displayed by the viewer in real time.
¡ñ
A Web user does not have to wait to
download a file to play it. Instead, the media
is sent in a continuous stream of data and is
played as it arrives.
8. Evolution of Video Streaming
¡ñ
File Download
¡ñ
Progressive Download
¡ñ
Pseudo Streaming
¡ñ
Adaptive Bitrate Streaming
13. Webcasting
¡ñ
Webcast is a media presentation to distribute
a single content source to many simultaneous
listeners/viewers.
¡ñ
Broadcasting over the Internet.
¡ñ
It is used for "live-live" transmission.
14. Real-Time Streaming Protocol
¡ñ
The RTSP is a network control protocol
designed to control streaming media servers.
¡ñ
When you go to a streaming media site,
you're generally redirected to a separate
streaming server.
¡ñ
There are typically different versions of each
file that have been optimized for different
connection speeds.
15. Codecs
¡ñ
A codec is a program capable of encoding or
decoding a digital data stream or signal.
¡ñ
Video files have to be compressed and then
encode and decode before they can be
streamed.
16. Unicasting
¡ñ
In unicasting each client takes a separate
stream from the server.
¡ñ
So different people will start streaming the
same video or audio program at different
times.
18. AUDIO IN WEB OVERVIEW
? Audio Features
? Audio in Web
? Audio Streaming
? Audio Streaming Protocols
19. Audio File Features
? Audio file is a record of captured sound that
can be played back
¨C Mp3 file is an example
? Audio files are compressed for storage and
faster transmission
? Requires high bandwidth to transfer across
the network and the Internet
20. Audio in Web
¡ñ
Before HTML5, audio files could only
be played with a plug-in (like flash)
¡ñ
The HTML5 <audio> element specifies
a standard way to embed audio in a
web page.
22. How Streaming works
¡ñ
VoIP means making telephone calls
using your computer, with the sound of
your voice converted to digital data.
¡ñ
That travels over the Internet using the
Internet Protocol.