ST 2110 Launch Pad – ST 2110

Presenters : Wes Simpson - LearnIPvideo.com

Year : 2022

dlp_document_download : IP Showcase ST 2110 LaunchPad Wes Simpson, Founder, Learn IP video.com Learn IP video.com Key Requirements for IP Video Systems {93296810-A885-4BE3-A3E7-6D5BEEA58F35} Function Description Standards Encapsulation Put media data into IP packets Video : ST 2110-20 Audio: ST 2110-30 & AES67 Ancillary Data: ST 2110-40 Key Requirements for IP Video Systems {93296810-A885-4BE3-A3E7-6D5BEEA58F35} Function Description Standards Encapsulation Put media data into IP packets Video : ST 2110-20 Audio: ST 2110-30 & AES67 Ancillary Data: ST 2110-40 Synchronization Align media streams to a common clock IEEE 1588 PTP – Precision Time Protocol ST 2059 and ST 2110-10 Key Requirements for IP Video Systems {93296810-A885-4BE3-A3E7-6D5BEEA58F35} Function Description Standards Encapsulation Put media data into IP packets Video : ST 2110-20 Audio: ST 2110-30 & AES67 Ancillary Data: ST 2110-40 Synchronization Align media streams to a common clock IEEE 1588 PTP – Precision Time Protocol ST 2059 and ST 2110-10 Switching and Routing Move packets from one device to another IGMPv3 Multicasting Key Requirements for IP Video Systems {93296810-A885-4BE3-A3E7-6D5BEEA58F35} Function Description Standards Encapsulation Put media data into IP packets Video : ST 2110-20 Audio: ST 2110-30 & AES67 Ancillary Data: ST 2110-40 Synchronization Align media streams to a common clock IEEE 1588 PTP – Precision Time Protocol ST 2059 and ST 2110-10 Switching and Routing Move packets from one device to another IGMPv3 Multicasting Connection Management Route signals from sources to destinations SDP – Session Description Protocol NMOS IS-05 Media Transport over IP SMPTE ST 2022-6 SMPTE ST 2110 The IP Video Ecosystem Replace text box with image. Delete side panel if image is too large to fit inside text box. IP Media Evolutionary Tree Uncompressed Compressed Pro-MPEG CoP3 ST 2022-1,2 TR-01 ST 2022-3,4 RFC 4175 AES 67 TR-03 TR-04 ST 2022-5,6 RFC 8331 ST 2110 ST 2110-10 ST 2110-20 ST 2110-30 ST 2110-40 ST 2110-21 ST 2022-7 ASPEN RDD 37 ST 2022-8 ST 2110-31 RP 2110-23 ST 2110-22 RIST TR-07 TR-08 IPMX RP 2110-24 >> Note that ALL these signals could co-exist on the SAME IP network << style.visibility SMPTE ST 2022-6 Specifically designed for transporting SDI signals over IP 270 Mbit/s, 1.485 Gbit /s and 2.97 Gbit /s Carries entire SDI signal intact Video, embedded audio, ancillary data, HANC, VANC and all other bits Permits bit-for-bit copy of signal to be transported across IP network Works with ST 2022-5 Forward Error Correction Row/Column FEC handles lost RTP datagrams Separate UDP ports used for transmission of SDI and FEC Media Transport over IP: SMPTE ST 2022-6 Take entire SDI signal and encapsulate into one IP stream Includes audio and embedded data signals Easy to maintain audio/video synchronization Hard to process just one part of a stream IP Packet Network SDI Video Audio Embed Data Packetize De-embed De-packet SDI Video Audio Data ST 2022-6 IP Packets Video/Audio/Data style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility SMPTE ST 2110 General-purpose media transport over IP Standards for video, audio, synchronized metadata Carries each media element as a separate stream Video in one stream, one or more audio channels in another, metadata in another Capable of handling wide variety of formats Video from SD all the way up to 8K HDR and beyond Compressed and uncompressed video at any frame rate Multi-channel audio at multiple sampling rates Many different categories of metadata style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility Media Transport over IP: SMPTE ST 2110 Each media type in a separate packet stream Easy to process individual components Signals need to be resynchronized after processing PTP (Precision Time Protocol) used for packet timestamping SDP Files used to describe each packet stream IP Packet Network SDI Video Audio Data SDI Video Audio Data Packetize ST 2110-20 Video De-packetize ST 2110-40 Data ST 2110-30 Audio SDP Files style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility ST 2022-6 / ST 2110 Audio Processing Packet Flow IP Packet Network SDI Video Audio Embed Data Packetize De-packet Packetize De-embed Audio Processing Embed De-embed De-packet SDI Video Audio Data SMPTE 2022-6 IP Packets Video/Audio/Data Using SDI/ST 2022-6 Using ST 2110 IP Packet Network SDI Video Audio Data SDI Video Audio Data 2110-30 Audio Packetize Audio Processing De-pack/Pack ST 2110-20 Video De-packetize SDP Files style.visibility style.visibility SMPTE ST 2110 – Released Standards OV 2110-0 Roadmap for the 2110 Document Suite ST 2110-10 System Timing and Definitions ST 2110-20 Uncompressed Active Video ST 2110-21 Traffic Shaping and Delivery Timing for Video ST 2110-22 Constant Bit-Rate Compressed Video ST 2110-30 PCM Digital Audio (uncompressed) ST 2110-31 AES3 Transparent Transport (for non-PCM audio) ST 2110-40 SMPTE ST 291-1 Ancillary Data ST 2110-43 TTML for Captions and Subtitles style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility ST 2110-20 Video Encapsulation Multiple video pixel groups ( pgroups ) RTP Payload Header applied (unique to each media type) Inserted into an RTP packet Placed into UDP packet IP packet header attached Wrapped into Ethernet Frame PH RTP UDP IP MAC CS pg RTP Payload Header pg pg pg pg pg pg style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility ST 2110-20 Pixel Groups Pixels formed into pgroups pgroup size depends on sampling format Must be integer number of octets Pixels that share samples must be in the same pgroup Example: 4:2:0 8-bit groups 4 pixels into 6 octets Example: 4:2:2 10-bit groups 2 pixels into 5 octets C b ’ Y’11 1 2 3 4 5 6 C r ’ Y’10 Y’01 Y’00 C’ B C’ R Y0’ Y1’ 1 2 3 4 5 style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility ST 2110-20 Sample Row Data Active Video (e.g. 1920x1080) Embedded Audio (HANC) Ancillary Data (VANC) Packet 0 Packet 1 Packet 2 Packet 0 Packet 1 P 2 Packet 2 X 2X ppt_x ppt_y style.visibility ppt_x ppt_y style.visibility ppt_x ppt_y style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility Lossless Compression Visually lossless compression cannot be seen by observer Some data must always be removed Done so as to be invisible to human viewer Can have very low latency (~1 millisecond or less, encode + decode) Popular codecs available JPEG XS – RTP Encapsulation – RFC 9134 Also VC-2 DIRAC from BBC – RFC 8450 2:1 to 8:1 compression ratio 3Gbit/s SDI compressed to 1.5 to 0.5 Gbit /s style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility Compressed Video Signal Rates Often measured in bpp (bits per pixel) Uncompressed SDI used 4:2:2 10-bit video Works out to 20 bits/pixel Note that SDI also has HANC and VANC occupying significant bandwidth {5C22544A-7EE6-4342-B048-85BDC9FD1C3A} Video Format Pixels/frame Pixels/second "SDI" bit rate 1 bpp 3 bpp 6 bpp 720p60 921,600 55,296,000 1.485 Gbit /s 70 Mbit/s 195 Mbit/s 390 Mbit/s 1080i60 2,073,600 62,208,000 1.485 Gbit /s 70 Mbit/s 195 Mbit/s 390 Mbit/s 1080p60 2,073,600 124,416,000 2.97 Gbit /s 150 Mbit/s 390 Mbit/s 780 Mbit/s 4K 2160p60 8,294,400 497,664,000 11.88 Gbit /s 500 Mbit/s 1.4 Gbit /s 2.8 Gbit /s 8K 4320p60 33,177,600 1,990,656,000 47.53 Gbit /s 2 Gbit /s 5.6 Gbit /s 11.2 Gbit /s style.visibility style.visibility style.visibility style.visibility style.visibility ST 2110-30 Audio Encapsulation 96 ea. 24 bit Samples (3 bytes) @ 96 kHz 0 2 4 95 0 0 0 0 1 1 1 1 95 95 95 95 1 msec RTP UDP IP One ST 2110-30 Packet 1 3 2 2 2 2 Each Channel has 3 x 96 = 288 bytes per packet 4 Channels have 4 x 288 = 1,152 bytes All channels in one IP Packet Maximum theoretical capacity – 5 channels, 1440 bytes 4 channels of 96 kHz 24-bit audio style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility 2110-40 Ancillary Data Extract ancillary ST 291 data packets from VANC or HANC Captions, time code, ad triggers, etc. Place them into RTP packets with custom header Line numbers are based on SDI line numbering Don’t match 2110-20 line numbers 000 3FF 3FF 41 07 Ancillary Flag DID SDID xx DC SCTE 104 zz CS User Data ANC Data Packet Line #, Offset 41 07 Anc. Packet Header DID SDID xx DC SCTE 104 zz CS User Data RTP Datagram 01 Payload Hdr . Seq. #, SSRC RTP Header style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility IP Transport RTP Encapsulation Timing RTP Packet Features Payload Type Time Stamp X P V 16 Bits M CC RTP Sequence Number (low 16 bits) Synchronization Source (SSRC) Identifier RTP Header M-Bit – Media-specific indicator flag In ST 2110 video, indicates last packet of video frame Sequence number Each packet in a stream has a unique number Permits packets to be put into correct sequence Allows missing packets to be detected Payload Type Indicates type of media in packet (video/audio/etc.) Timestamp Indicates when media content was created Multiple packets may share one timestamp style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility All Signals in Phase at SMPTE Epoch t=0 t=20 t=40 t1 t2 SMPTE Epoch – Jan. 1, 1970, 00:00:00 TAI Other signals tied to SMPTE Epoch 50 Hz video Current time Next alignment point ST 2110-20 RTP Timestamps and Sequence Numbers All packets from one video frame will have the same RTP timestamp However, RTP Sequence number is always incremented by one for each packet For interlaced video, the packets for each field will have the same timestamp Timestamp will jump for each frame of video By a count equal to the clock rate (90 kHz) divided by the video frame/field rate TS = 20000 Seq. = 7999 TS = 21800 Seq. = 8000 TS = 21800 Seq. = 8001 TS = 21800 Seq. = 11999 TS = 23600 Seq. = 12000 TS = 21800 Seq. = 8002 Frame N Frame N+1 Frame N+2 style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility 500 Mbps Signal on a 10 Gbps Link 10 kbit packets for 1 microsecond 19 microsecond gap style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility Two 2.5 Gbit /s Signals on Two 10 Gbps Links Switch buffers will overflow if muxed onto a single link Two signals will collide if both are burst-mode style.visibility style.visibility style.visibility style.visibility style.visibility Type N, NL and W Packet Pacing VANC Type NL Type N Type W Bit Rate Variation Bit Rate Variation Bit Rate Variation Packet Moving Average Bit Rate style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility ST 2022-7 Hitless Protection Switching Send identical signal on two separate paths Identical RTP packet timestamps, RTP sequence numbers Receiver aligns packets using buffer Transit time equal to delay of longest path SMPTE ST 2022-7 Standard "Seamless Protection Switching of RTP Datagrams" Published in 2019 Source Destin- ation Path A Path B style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility SDP Example for 1080i 29.97Hz Video v=0 o= wes 203763372 89 IN IP4 10.201.33.19 s=Example of a 1080i29.97 video signal t=0 0 m=video 31008 RTP/AVP 101 c=IN IP4 232.201.33.11/32 a=source-filter: incl IN IP4 232.201.33.11 10.201.33.19 a=rtpmap:101 raw/90000 a=fmtp:101 sampling=YCbCr-4:2:2; width=1920; height=1080; interlace; exactframerate =30000/1001; depth=10; TCS=SDR; colorimetry=BT709; PM=2110GPM; SSN=ST2110-20:2017 a= ts-refclk:ptp =IEEE1588-2008:39-A7-94-FF-FE-07-CB-D0:42 a= mediaclk:direct =0 Multicast Stream Dynamics Source offers stream via multicast addresses listed in SDP Destination devices get SDP via NMOS or other means Receivers generate requests to join multicasts using IGMPv3 Network determines best way to deliver streams SDP File style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility ProAV Format Comparison {5C22544A-7EE6-4342-B048-85BDC9FD1C3A} Capability/Feature IPMX ST 2110 SDVoE HDBaseT Uncompressed 4K60p Video Yes Yes No No Visually Lossless Compression Yes Yes Yes No Network-based Precision Clock (PTP) Optional Required No No Open Standard In process Yes No No HDCP Support Yes No Yes Yes ST 2110 Compatibility Yes Yes No No IR Control Link No No No Yes PoE (Power over Ethernet) Possible No No Yes PoH (Power over HDBaseT ) (100W) No No No Yes Data Channel* Not Required Not Required Up to 1 Gbit/s Up to 100 Mbit/s *IPMX and ST 2110 work over standard IP/Ethernet infrastructure. As such, other IP and Ethernet data flows can easily be transported over the same networks. style.visibility So, Why ST 2110? Futureproof Can handle any video format: 8K, HDR, 3D, and beyond Cloud-Friendly IP signals travel easily to and from public and private clouds Flexible Common network backbone handles SD, HD, UHD, SDR, HDR, multiple frame rates, compressed/uncompressed, streaming, file transport and much more style.visibility style.visibility style.visibility style.visibility style.visibility style.visibility Emmy-award Winning Technology Any Questions? Learn IP video.com