Streams Delay
MediaStream Delay Server is professional software for delaying DVB-streams for a long time with high precision and optional decoding to SDI.
Software works under Microsoft Windows on x86/x64 processors, operates as a service/daemon, and is 24/7/365/N oriented. “MediaStream Delay Server” captures live input DVB-stream and stores required programs on local storage in circular buffer. At the expiration of the delay period all delayed streams are played out as original DVB- or decoded SDI-streams.
Key features
- Delay period is limited only by volume of local storage, can be in range from few frames till several days.
- When it’s possible by underlying hardware capabilities, output clock is driven and synchronized by input stream, otherwise appropriate algorithms are applied to keep delay accuracy within a few frames per each hour of delay.
- Fully automated software.
Technical specification
- Physical inputs: DVB-IP Multicast/Unicast UDP/RTP with FEC, DVB-ASI/S/S2/T/T2/C/C2, HTTP, SRT. Scrambled streams are supported.
Outputs:
- DVB-IP Multicast/Unicast UDP/RTP with FEC, DVB-ASI, HTTP, SRT.
- SDI via Deltacast or Dektec or Blackmgic hardware (descrambled stream on input required), decoded from MPEG-2 (ISO 13818-2) or H.264 (ISO/IEC 14496-10) with audio MPEG-1 (ISO 11172-3, Layer I, II, III) or AAC (LC, HE-AAC v1, HE-AAC v2 according to ISO/IEC 13818-7, ISO/IEC 14496-3).
- Correct behavior in emergency states such as power loss or signal loss, playout is guaranteed to be continued from correct point after fail is over.
- Recognition of DTMF-sequences and SCTE-35 messages in input streams and delayed synchronous notification of external consumers by GPO or RS-232 or custom UDP or as SCTE104-over-IP client or as SNMP trap.
- Continuous stream quality measurement of all output streams and notification of external consumers in heartbeat mode.
- Other features
- all known DVB-tables are bypassed.
- active heartbeat stream UDP-IP/RS-232, reliability statistics: 99,999% uptime.
- input stream BISS-descrambling.
- SNMP state control
- configuring: manually, conf-files.
Notes and requirements
To process DVB IP streams Intel/Broadcom NICs are strongly recommended.
To process DVB ASI the system requires PCIe hardware from DekTec or Deltacast.
To receive DVB-S/S2/T/T2/C/C2, system uses any Windows-compatible hardware interface (BDA).
For SDI playout, Blackmagic Decklink and Dektec devices are supported.
Recommended OS: Windows 10 IoT Enterprise LTSC with certain group-policy tuning.
Approximate resources consumption: in complicated scenarios, one simple server based on Xeon E3/Core i5 is capable to delay 4-5 typical MPTSes of 70 MBit each and decode dozens of SD-services.