Live Encoder/Transcoder
MediaStream Live Encoder is professional software to encode and transcode live input SDI- and DVB- streams into multi-output multi-profile DVB- and HLS-streams (HLS-origin).
Software works under Microsoft Windows on x86/x64 processors, operates as a service/daemon, and is 24/7/365/N oriented. Hardware-accelerated encoding/decoding on Intel-GPU is supported and required for advanced features.
Key features
- Support of SCTE-104 in SDI, SCTE-104 over IP/GPI/SNMP and SCTE-35 in DVB-input
- SD- and HD-input, up- and down-scale, de-interlacing, short-time delay.
- Output DVB- and HLS-streams are suitable for seamless splicing, including VBV/HRD/TSTD-buffers preparation at splicing areas; SCTE-35 messages are embedded in output streams.
- Automatic scheduled and externally-controlled regionalization (ad insertion, blackouts, animated banners, scrolling tickers, etc) by SCTE104-SDI/OverIP/OverSNMP/OverGPI or by DTMF-tones.
Technical specification
-
Inputs:
- SD/HD/3G-SDI from Deltacast, Blackmagic, Dektec.
-
MPEG2/H264 and MPEG1 audio/AAC from DVB-IP Multicast/Unicast UDP/RTP with FEC, DVB-ASI/S/S2/T/T2/C/C2, HTTP, SRT.
-
Output, multi-profile: DVB-IP Multicast/Unicast UDP/RTP with FEC, DVB-ASI, HTTP, SRT, HLS (origin).
- Compression formats:
- video MPEG-2 (ISO 13818-2)
- video H.264 (ISO/IEC 14496-10) 4:2:0, partially 4:2:2
- audio MPEG-1 (ISO 11172-3, Layer I, II, III)
- audio AAC:
- AAC LC
- HE-AAC v1
- HE-AAC v2 according to ISO/IEC 13818-7, ISO/IEC 14496-3
- teletext SMPTE-2031 and OP-47
-
All regionalization features: see features of MediaStream Regionalization and insertion.
- Other features:
- SCTE-104 in SDI, SCTE104-over-IP, SCTE104-over-SNMP, SCTE104-over-GPI.
- very small prerolls in SCTE-104 (less than 4 sec: near-zero or even negative) are supported.
- advanced VBV/HRD/TSTD-management, splice-compatibility (in DVB) and stitch-compatibility (in HLS) of output stream.
- all output streams are conformant to TR 101 290.
- input stream BISS-descrambling.
- video signal upscale and downscale.
- constant configurable end-to-end delay.
- resilience to input signal instabilities/noise/disappearing-appearing.
- active heartbeat stream UDP-IP/RS-232, reliability statistics: 99,999% uptime.
- SNMP state control
- configuring: manually, conf-files.
Notes and requirements
To capture SDI, a Deltacast, Dektec or Blackmagic interface is required.
To output DVB-IP streams, Intel/Broadcom NICs are strongly recommended.
Except for the simplest cases, video encoding requires an Intel QuickSync, CPU-based or discrete.
Recommended OS: Windows 10 IoT Enterprise LTSC with certain group-policy tuning.
Approximate resources consumption: in complicated scenarios, server with one GPU is capable to (re)encode up to 4 full-HD services and up to 12 SD-services into h264, and dozens of SD-channels into MPEG-2. Scalability achieved by discrete QuickSync-cards.