Are you saying that there are no sync bytes in my stream? 

or should i wait until i get byte 0x47 in my udp packet, wait till i get 188 
bytes, and send them as an array of bytes in the zeroMQ? 


Van: "Ron Economos" <[email protected]> 
Aan: "discuss-gnuradio" <[email protected]> 
Verzonden: Woensdag 26 april 2017 20:16:10 
Onderwerp: Re: [Discuss-gnuradio] WARN: transport stream sync error 



The BBheader block expects the Transport Stream to start with a sync byte 
(0x47) and that a sync byte appears every 188 bytes. 

There's no sync byte synchronization in the BBheader block, so if the stream 
doesn't start with a sync byte, you'll get continuous errors. 


Ron 
On 04/26/2017 10:56 AM, [ mailto:[email protected] | [email protected] ] wrote: 



Hi, 

My setup: 
Linux gnuradio with dvb-s2 tx sample code. adjusted to read from ZeroMQ pull 
source 
5M symbol. in 8psk dvb-s2 3/4 code rate 

Windows side: 2 programs: 
1) program to make udpts stream from webcam(5M) -> send udp stream to 
127.0.0.1:1234 
2) program to listen to udp port 1234 get udp packets and send them to ZeroMQ 
push socket 

gnuradio is complaining about transport stream sync error. 

What can be the reason for this? 






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