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Re: [Discuss-gnuradio] Header Payload Demux Freeze

From: Martin Braun
Subject: Re: [Discuss-gnuradio] Header Payload Demux Freeze
Date: Thu, 07 May 2015 11:57:28 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0

On 07.05.2015 10:56, Richard Bell wrote:
> Yes I agree. If it is the case that the Packet Header Parser does not
> output a message for every header it is given, would that produce the
> "backup" behavior I'm seeing? Backup meaning it looks like the buffers
> on all preceding blocks start to fill up because the HPD block is stock
> in a blocked state. This eventually leads to all blocks being in a
> blocked state because their buffers are full. This is my interpretation.
> Given that I am using digital.packet_header_default(32, "packet_length")
> to define the header, Packet Header Generator to output the header as a
> stream and Packet Header Parser to create the messages from the stream,
> do you have an idea of what could be going wrong? Maybe a better
> question would be, under what circumstance would the Packet Header
> Parser be given a stream and not output a message?

This *should* only happen if the parser doesn't get enough samples for a
full header. It will always output something, even if parsing fails.


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