Parameter Values Description
GOP Length 4 to 250
Defines the nominal distance in steps of
video frames between two consecutive I
frames in the encoded bit-stream. This
setting is not available when Buffer
Mode is set to Super Low Delay.
GOP Structure IP, IBP, IBBP, IBBBP, IBBBBBBBP
Sets the number of B frames between
reference frames. IBBBBBBBP can only
be used for 720p video format encoded
with a H.264 video profile. When Buffer
Mode is set to Super Low Delay, GOP
Structure is limited to All P or I Frame
only.
Closed GOPs Off, On
Enables or disables the usage of Group
of Pictures in which the predicted frames
can have their reference from outside
the group. This setting has no effect
when Super Low Delay Buffer Mode is
selected.
Delay
Displays the actual video encoding
delay. Read only parameter.
Output Entropy Encoding is automatically used, depending on what coding standard
and bit rate is selected.
Table 5.36 Output Entropy Encoding
Coding Standard Bit Rate Entropy Encoding
HEVC single channel Any bit rate CABAC
HEVC multichannel Any bit rate CABAC
H264 single channel Less than 50 Mbps CABAC
HEVC single channel More than 50 Mbps CAVLC
H264 multichannel Any bit rate CAVLC
Video Output
The following parameters are available on the Output tab of the Properties widget on the
Service Configuration page when a video component is selected in the Outputs widget.
The same parameters can be accessed through the Advanced/Video/Video 1/Video/Main
Video/Stream Output menu on the front panel.
Table 5.37 Video Output Parameters
Parameter Values Description
Embedded PCR Off, On
Sets if the PCR is embedded within the video. If it is set to
other than Off, the PCR PID field of a service will become
read only and will contain the PID of the current
component.
Copyright Off, On Sets the copyright flag in the elementary stream header.
Original Off, On Sets the original flag in the elementary stream header.
AR Signalling Output
Control
Off, AFD Only, AFD and Bar Data
Controls which source is used for embedding aspect ratio
signalling into user data. If set to Off, no aspect ratio data
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