[dvblast-devel] [biTStream] Issue invalid_sdt_section

[Georgi Chorbadzhiyski]

On 25.4.2012 г. 17:59, Ludovic BOUÉ wrote:
> I am facing an issue to print SDT table with dvb_print_si tool. I am analysing a RTP mutlicast stream:
>
> # dumprtp 239.255.2.32 1234| ts_filter 17| ./dvb_print_si -x xml -T SDT
> <?xml version="1.0" encoding="utf-8"?>
> <TS>
> Filtering pid 17
> Rtp dump
> Using 239.255.2.32:1234
> <ERROR type="invalid_sdt_section" pid="17"/>
> <ERROR type="invalid_sdt_section" pid="17"/>
> <ERROR type="invalid_sdt_section" pid="17"/>
> <ERROR type="invalid_sdt_section" pid="17"/>
> <ERROR type="invalid_sdt_section" pid="17"/>
>
> It's working fine for other sections like EIT
> # dumprtp 239.255.2.32 1234| ts_filter 18| ./dvb_print_si -x xml -T EIT
> Rtp dump
> Using 239.255.2.32:1234
> Filtering pid 18
> <?xml version="1.0" encoding="utf-8"?>
> <TS>
> <EIT tableid="0x50" type="actual_schedule" service_id="769" version="3" current_next="1" tsid="3" onid="8442" seg_last_sec_number="144" last_table_id=
> "0x50">
> <EVENT id="6453" start_time="1335507900" start_time_dec="2012-04-27 06:25:00 UTC" duration="300" duration_dec="00:05:00" running_status="0" free_CA_mo
> de="1">
> <DESC id="0x4d" length="164" value="6672651505532e412e562e2064657320e96d697373696f6e738a055072e973656e74e920706172204f6d617220657420467265642e20556e20
> 736b657463682064274f6d617220657420467265642064616e73206c657175656c206c652064756f20e97472696c6c652c206176656320756e2068756d6f757220636f72726f7369662c20
> 6c65207065746974206d6f6e6465206465206c612074e96ce9766973696f6e2e">
> <SHORT_EVENT_DESC lang="fre" event_name="S.A.V. des émissions" text="Présenté par Omar et Fred. Un sketch d'Omar et Fred dans lequel le duo étril
> le, avec un humour corrosif, le petit monde de la télévision."/>
> </DESC>
> </EVENT>
>
> What would you recommend to debug and fix that?

Save a little bit of the stream (couple of seconds), then run dvb_print_si
on the file. If the problem persists, upload the file somewhere and send
a link so we can look at it. I have couple of TS analyzers so it'll be
easy to see if there is a bug in biTStream.

-- 
Georgi Chorbadzhiyski
http://georgi.unixsol.org/