Chapter 3 ’Web User Graphical Interface’ — Workflow Library
Electra VS
-
Version 05.10 385
User Manual - Rev. A
Description of the Live Web TV Transcoder Predefined Favorite
Workflow
This workflow generates one or several WebTV outputs from a TS over
IP input.
Video is transcoded in H.264, HEVC. Up to 12 video profiles can be
generated. The video parameters can be configured globally or per
profile.
Audio is transcoded into AAC.
Available outputs: HLS, MPEG-DASH, RTMP, Smooth Streaming, or TS
(for an external packager). When several outputs are defined, you can
choose, for each video profile, which outputs will use it.
Input subtitles (Teletext and DVB-Subtitles) can be transcoded (HLS,
MPEG-DASH, Smooth Streaming) or pass-through (TS).
HLS: the HLS stream can be available on the local web server, or
pushed to a remote origin server (and optionally its backup). DRM are
available. When a segment duration is defined, HLS chunks are based
on these segments.
MPEG-DASH: the MPEG-DASH stream can be available on the local
web server, or pushed to a remote origin server. DRM are available.
RTMP: the audio/video can be pushed to a Flash Media Server. There
is one stream per video profile. The audio is sent within each stream.
There are 2 modes:
One connection per video profile (i.e. one stream per
connection).
One connection for all the video profiles (i.e. all the streams in
the same connection).
Smooth Streaming: the Smooth Streaming stream can be available
on the local web server, or pushed to a remote IIS server (and
optionally its backup). DRM are available.
TS: the components are sent on TS over IP. Encoder Boundary Point
(CableLabs) can be added when required by the packager. There are 3
modes:
-
One SPTS is generated for each video profile. The SPTS of
the first profile also contains the audio and subtitles. All the
SPTS use the same multicast IP address.
-
One SPTS with all the components is generated (i.e. several
video components, audio and subtitles in the same
program).
-
One MPTS is generated, with one program per video
profile. The program of the first profile also contains the
audio and subtitles.
Video preprocessing:
DVB-Subtitle inserter: the DVB Subtitles are burned in the video.
To Next Page
Loading...