--- Begin Message ---
Hi Ross,
Thanks for your reply.
I am using a subclass of 'OnDemandServerMediaSubsession' and 'FramedSource', as
you stated the 'startStream' within our subclass function isn't checking the
'streamToken' is NULL, I will add this as the fix.
Our source code is currently 05/2021 so will look to get this update as well.
Many Thanks
Thomas Collins MEng - Engineer
Applied Science, Security Technologies
Tel: 01684 894972 | Mob: 07968 513075 | Email: [email protected]
Malvern Technology Centre WR14 3PS (CB A221)
www.QinetiQ.com
-----Original Message-----
From: live-devel <[email protected]> On Behalf Of Ross Finlayson
Sent: 19 April 2023 18:43
To: LIVE555 Streaming Media - development & use <[email protected]>
Subject: Re: [Live-devel] UC Bug Report (+solution) - RTSP server crashes
during multi-subsession stream if only 1 subsession SETUP called
Thomas,
Thanks for the note. There might well be a bug in the code, but your suggested
fix is not the correct solution. The reason for this is that I want the server
code to process each "fStreamStates[i].subsession” even if the corresponding
"fStreamStates[i].streamToken” is NULL - i.e., even if the subsession has not
been “SETUP” by the client. For example, there might be medium/track-specific
state that needs to be updated (e.g., when seeking), even though that
particular medium/track is not currently being streamed.
If there is a bug, then it appears to be that some function - called by the
“RTSPServer” code - is not checking whether the “streamToken” parameter is NULL
before trying to access it.
So, could you please tell me where, specifically, this is happening for you?
I.e., where in the code a NULL “streamToken” parameter is trying to be accessed?
But first…
> as my source might not be the absolute latest.
You should really update to the latest version of the code, as this includes
several (other) bugfixes, including possible security vulnerabilities that
especially affect the RTSP server. See:
http://live555.com/liveMedia/faq.html#latest-version
and
http://live555.com/liveMedia/faq.html#old-versions
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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