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Speaker: Advisor: :2010/07/27

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DVB-H Demo

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What is DVB-H?

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DVB-H Digital Video Broadcasting - Handheld DVB-T DVB-H PDA DVB-H

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DVB-H System Protocol Stack

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Bearer Technologies

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Bear technologies DVB-H PSI/SI MPE MPE-FEC IP

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PAT PMT PID PMT PID (descriptors) NIT INT PID service_id IP addresses ( port numbers) MPE (MPE-FEC) section Row no. SDT time-slicing PSI/SI header PID

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RTP/RTCP Layer

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RTCP(RTP control protocol) in DVB-H DVB-H RTCP Audio Video Wall clock time stamps Sender report RTCP Port number = RTP Port number +1

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Header Sender Info Report Block DVB-H

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Header Sender Info

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FLUTE Layer

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File - Based FEC Compact No code FEC DVB-H Broadcast

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FLUTE session FLUTE ALC ( UNIQUE TOI (Transport Object ID)) File Delivery Table (FDT) ALC FDT FDT Instance

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FDT Instance TOI 0 session session session FDT Instance LCT Header FDT instance ID, TOI=0 Header

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FLUTE (RFC 3926) FLUTE session FLUTE session IP FLUTE session TSI FLUTE session FLUTE channel FLUTE channel IP Port number FLUTE session FLUTE session FLUTE channel FEC RFC3926 DVB-IPDC CDP SDP(Session Description Protocol)

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FLUTE IETF - ALC (Asynchronous Layered Coding, ) ALC ALC FLUTE ALC Building Block: LCT(Layered Coding Transport ),CC.FEC Building Block LCT ALC Session management CC Optional DVB-H DVB-IPDC CDP , FEC , Compact No-Code FEC ( FEC), Raptor FEC

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EXT_FTI EXT_FDT

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ESG Layer

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XML DVB DVB-H IPDC ESG IPDC ESG 1.0 IPDC ESG Layer (Data model) (Instance) (Representation) (Encapsulation) (Transport)

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Service Schedule Event Content Service Bundle (Service Bundle) (bundle) Purchase (purchase information) Purchase Channel (purchase system) Acquisition (access)

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SDP(Session Descriptor Protocol) RFC4566 session DVB-H FLUTE ESG xml session

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Audio/Video Layer

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H.264 VC-1 MPEG-4 HE AAC v2 AMR-WB+ RTP Payload ID Payload ID Dynamic SDP

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Test Data(List, File) IPDC Subsystem Video/Audio Subsystem ESG Subsystem VLC Player UI Interface

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IPDC

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ESG

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Audio/Video

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STEP 1 IPDC IP = 224.0.23.14 Port 3937 TOI = 0 Type FLUTE FileHandler IP Port FILE LIST IPDC STEP 2 IPDC bootstarp FDT-Instance FDT-Instance ESG STEP 3 ESG ROOT ESG file Service Provider Name

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STEP 1 Service Provider Name IPDC STEP 2 IPDC ESG Container ESG STEP 3 ESG Container ESG Instance ESG Service.xml

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STEP 1 Acquisition File ESG Acquisition SDP STEP 2 SDP URL SDP Stream SDP ESG SDP IP Port Number

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STEP 1 SDP IP Port IPDC IPDC IP Port TYPE RTP/RTCP RTP Video/Audio STEP2 Video Video SDP H.264 Audio Audio SDP AAC

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STEP 1 SDP 3GP 3GP STEP2 3GP VLC Player ,

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DVB-H IP/UDP/RTCP/RTP/FLUTE ESG SDP Audio/Video UI Android Libary

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UMTS DVB-H ESG

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D E M OD E M O

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:Linux Ubuntu 9.10 : C/C++ :QT4.5 : VLC Media Player(Open Source) Gzip :zlib 3GP : : DVB-H IP

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Layered Coding Transport Building Block RFC3451 LCT IP multicast unicast Multicast unicast (CCI) (Codepoint)

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LCT LCT RFC 2357[19] DVB-H (receiver- driven) DVB-H (broadcast) (feedback) DVB-H

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TypePacketType name 1-23NAL UnitSingle NAL unit packet per H.264 24STAP-ASingle-time aggregation packet 25STAP-BSingle-time aggregation packet 26MTAP16Multi-time aggregation packet 27MTAP24Multi-time aggregation packet 28FU-AFragmentation unit 29FU-BFragmentation unit

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F(Forbidden zero bit):1 bit 1 NRI: 2 bits NALU 0 0 0 NALU Type: 5 bits NAL Unit

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Single STAP-A FU-A

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RTP Payload : Payload Type = 0 PCMU Audio 8000 Payload Type Encoding Name Audio/Video (A/V) Clock Rate (Hz) Channels (Audio) 0PCMUA80001 11016A80001 2G721A80001 3GSMA80001 4unassignedA80001 5DVI4A80001 6DVI4A160001 7LPCA80001 8PCMAA80001 9G722A80001 10L16A441002 11L16A441001 14MPAA90000(see text) 15G728A80001 25CelBV90000 26JPEGV90000 28nvV90000 31H261V90000 32MPVV90000 33MP2TA/V90000 72--76reservedN/A 96--127dynamic?

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RTP(real-time transport protocol) Sequence number timestamp QoS Router RTP

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PIDtable_id PATProgram Association Table0x00000x00 PMTProgram Map Table*0x02 NITNetwork Information Table0x00100x40 INTIP/MAC Notification Table*0x4C SDTService Description Table0x00110x42 PSI (Program Specific Information): , defined in MPEG-2 SI (Service Information): , defined in DVB

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FLUTE session FLUTE FLUTE session ID IP TSI session channel Channel IP channel IP Port IP PORT channel FLUTE FLUTE Channel Channel ALC ( UNIQUE TOI (Transport Object ID))

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Type Description Example v protocol versionv=0 o originator and session identifiero=1221269, IN IP4 192.168.16.23 s session names=EinsExtra i session informationi=Live TV-Stream EinsExtra c connection information c= c=IN IP4 228.228.1.3/3 Internet IPv4 destination IP/time to live/(number of addresses) m media name and transport address m= m=video 6000 RTP/AVP 96 m=audio 6002 RTP/AVP 97 6000,6002 port numbers RTP/AVP: RTP Audio/Video Profile 96,97 RTP payload types a attributes a= : a=rtpmap (rtp payload type map) a=fmtp (format parameter) a=source- filter(IP address) a=flute-tsi(TSI of this session) a=FEC-delclaration (FEC format) a=content-desc( ) a=rtpmap:96 H264/90000 format (rtpmap) 96: H.264 with clock rate 90 kHz. a=fmtp:96 packetization-mode=1; profile_level_id=42e00c; more descriptions about format 96

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RFC3984 NAL H.264 RTP Payload H.264 RTP Payload NAL VLC

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RFC 3640 AU(Access Unit) SDP

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ESG Datamodel ESG data model XML schema ESG ESG Instance ESG IP Datacast ESG ESG Representation ESG (fragmentation) ESG ESG XML Fragments ESG XML Fragments ESG Encapsulation ESG ESG Container ESG Container

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Flute/ALC/LCT Session Channe l FDT Instance Packet FLUTE/ALC Internet FLUTE session FLUTE channel FLUTE FLUTE channel DVB-H FLUTE Internet DVB-IPDC CDP FLUTE session FLUTE channel FLUTE FLUTE FLUTE session FLUTE channel

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Transport packet MPE Sections MPE Sections IP Datagram Payload MPE Header MPE Payload Payload IP Datagram

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IP/UDP Layer

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FEC Encoding ID Specific Format Compact No Code FEC

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FDT-Instance FLUTE session

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Audio/Video

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Video RTP Payload Byte NALU Single FU-A STAP-A NALU H.264 stream Audio RTP Payload Access Unit Access Unit AAC raw data stream

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Video RTP Timestamp frame delta 3GP Audio RTP Timestamp frame delta 3GP SDP sample rate 3GP 3GP 3GP

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ESG

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Processing Bootstrap Bootstarp Service Provider (IP, Port, Service Provider Name) Provider

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Processing Service Service Provider IP Port IPDC Service ESG data model

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IPDC

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IPDC RTP/RTPC FLUTE IPDC IP Port

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FileHandler IP PORT Source IPDC 0

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FLUTE RTP UDP IP Payload type != UDP IP Checksum UDP Checksum IP Port

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FLUTE DVB-H FLUTE : FEC != Compact No Code CodePoint != 0 LCT extension TOI = 0 EXT_FDT CCI C 0 FLUTE

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RTP RTCP RTCP Port number RTP Port number + 1 RTCP Payload Type 201

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IPDCHandler IPDC FileHandler IP IP/UDP Analyzer IP/UDP RTP/RTCP Analyzer RTP/RTCP FLUTE Analyzer FLUTE TOIList Map FLUTE TOI RTP/RTCP Map RTP/RTCP

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Video Analyzer RTP Payload SDP H.264 Audio Analyzer RTP Payload SDP AAC 3GP Packer H.264 AAC SDP 3GP