IPTV Codec & Packeting

IP network, optimised to deliver video services to any / multiple devices, using optical / cable / wireline / wireless networks

Joint Technical Committee

VCD DVD DVB DVB-S2 MPEG-1 MPEG-2 MPEG-4

I B B B P B B B P Video Sequence Time Group of Pictures Pictures Slice Macro Blocks Block 8x8

I B B B P B B B P Video Sequence Time Group of Pictures Pictures Slice Macro Blocks Block

One 16x16 Macroblock Uses one motion vector Two 8x16 Macroblocks Uses two motion vector Two 16x8 Macroblocks Uses two motion vector Four 8x8 Macroblocks Uses four motion vector Eight 8x4 Macroblocks Uses eight motion vector Eight 4x8 Macroblocks Uses eight motion vector Sixteen 4x4 Macroblocks Uses sixteen motion vector

I B B P P I B P Video Sequence Time

Packet Prefix Stream ID PES Header Length 1 0 PES Header Flag PES Header Length PES Header Fields Compressed Video Content 24 8 16 2 14 8 Var

Synchronisation byte Transport error indicator Program identifier Transport scrambling control Adaptation field control Continuity counter Adaptation field Payload unit start indicator Transport priority Video Data 8 16 2 4 Var 1 1 1 2

MPEG Transport Stream Packet 1 MPEG Transport Stream Packet 2 MPEG Transport Stream Packet 3 MPEG Transport Stream Packet N PES Packet 1 PES Packet 2 PES Packet N Elementary Video Stream Packet Header Compressed Video Content Packet Header Compressed Video Content Packet Header Compressed Video Content Video Picture 1 Header Video Picture 2 Header Video Picture 3 Header Video Picture N Header MPEG-TS Payload RTP Header RTP Header UDP Header IP Header Ethernet Header Ethernet CRC MPEG-TS Payload

http://kun.co.ro	22
http://kuncoro.com	8
url_unknown	3

IPTV Codec & Packeting

by Kuncoro Wastuwibowo on Aug 30, 2010

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IPTV Codec & Packeting — Presentation Transcript