Stream to Tagged Stream

Converts a regular stream into a tagged stream.

All this block does is add length tags in regular intervals. It can be used to connect a regular stream to a gr::tagged_stream_block.

This block is meant to be connected directly to a tagged stream block. If there are blocks between this block and a tagged stream block, make sure they either don't change the rate, or modify the tag value to make sure the length tags actually represent the packet length.

Parameters
(R): Run-time adjustable


 * Packet length (R)
 * Number of items per tagged stream packet. One tag is written every Packet length items and contains that number.


 * Length Tag Key
 * Key of the length tag.

Example Flowgraph
This flowgraph can be found at



Source Files

 * C++ files
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 * Header files
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 * Public header files
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 * Block definition
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