BBheader: Difference between revisions

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[[Category:Block Docs]]
[[Category:Block Docs]]
[[Category:Stub Docs]]
Part of the DVB block set.  Formats MPEG-2 Transport Stream packets into FEC baseband frames and adds a 10-byte header.
This is the template for the [[:Category:Block_Docs|"Page-per-block Docs"]].  This first section should describe what the block does and how to use it, using however many paragraphs necessary.  Note that the title of the wiki page should match the block's name in GRC, i.e. the one defined in the block's .grc file.  Look at the [[FFT]] Block for a good example.


As this is a basic template, it's also in the [[:Category:Stub_Docs|"Stub Docs category"]]. Please improve it.
Input: 188-byte MPEG-2 Transport Stream packets.
 
Output: Variable length FEC baseband frames (BBFRAME). The output frame length is based on the FEC rate.


== Parameters ==
== Parameters ==
(''R''): <span class="plainlinks">[https://wiki.gnuradio.org/index.php/GNURadioCompanion#Variable_Controls ''Run-time adjustable'']</span>
; Standard
: DVB standard (DVB-S2 or DVB-T2).
 
; FEC FRAME Size
: FEC frame size (normal, medium or short).


; Param 1 (''R'')
; Code Rate
: Description of parameter, provide any tips or recommended values.  Note that the name of the parameter above should match the param's label that shows up in grc (e.g. Sample Rate).
: FEC code rate


; Param 2
; Rolloff Factor
: blah blah blah
: DVB-S2 root-raised-cosine filter roll-off


== Example Flowgraph ==
== Example Flowgraph ==


Insert description of flowgraph here, then show a screenshot of the flowgraph and the output if there is an interesting GUI. Currently we have no standard method of uploading the actual flowgraph to the wiki or git repo, unfortunately. The plan is to have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
This flowgraph can be found at [https://raw.githubusercontent.com/gnuradio/gnuradio/master/gr-dtv/examples/germany-g1.grc]
 
[[File:Germany_g1_fg.png|799px]]


== Source Files ==
== Source Files ==
; C++ files
: [https://github.com/gnuradio/gnuradio TODO]
; Header files
: [https://github.com/gnuradio/gnuradio TODO]
; Public header files
: [https://github.com/gnuradio/gnuradio TODO]
; Block definition
: [https://github.com/gnuradio/gnuradio TODO]

Latest revision as of 12:06, 20 December 2021

Part of the DVB block set. Formats MPEG-2 Transport Stream packets into FEC baseband frames and adds a 10-byte header.

Input: 188-byte MPEG-2 Transport Stream packets.

Output: Variable length FEC baseband frames (BBFRAME). The output frame length is based on the FEC rate.

Parameters

Standard
DVB standard (DVB-S2 or DVB-T2).
FEC FRAME Size
FEC frame size (normal, medium or short).
Code Rate
FEC code rate
Rolloff Factor
DVB-S2 root-raised-cosine filter roll-off

Example Flowgraph

This flowgraph can be found at [1]

Germany g1 fg.png

Source Files

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