[DVB-T] BDA plugin memory leak (0.9.0).

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yogurt
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[DVB-T] BDA plugin memory leak (0.9.0).

Postby yogurt » 01 Apr 2008 11:54

Hi, using a DVB-T card with the 0.9.0 version of VLC, I noticed that the BDA plugin does not correctly release everytime it is stopped.
This is evident in the log files.

Code: Select all

... main debug: removing module "bda" main debug: dead input main debug: thread times: real 0m5.296875s, kernel 0m0.046875s, user 0m0.031250s main debug: thread 4108 joined (input/input.c:467) main warning: refcount is 1, delaying before deletion (id=324,type=-7) main error: refcount is 1, delaying again (id=324,type=-7) main error: waited too long, cancelling destruction (id=324,type=-7) ...
and in the sensible growth of memory usage (around 7 MB ), and number of hung threads per cycle (play, stop, play again a dvb source).

I looked deeply into the source code (/module/bda/) and I think it could depend on the way the COM objects of the Directshow graph are released. Infact some of these objects are referenced many times and released only once (example: p_network_provider).
In my opinion releasing them correctly should fix the problem.

Anybody had my same experience?
I'm posting here to invite you to do the same test (stop/start/stop + looking at the memory usage/thread number) to notice....

Thank you!
Yogurt

P.S. I have a Terratec Cinergy 1400 with BDA drivers 5.0.18.0 ;-)
Last edited by yogurt on 04 Apr 2008 09:23, edited 1 time in total.

Jean-Baptiste Kempf
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Re: BDA plugin memory leak (0.9.0).

Postby Jean-Baptiste Kempf » 01 Apr 2008 19:11

ask kenself (kenS) on this forum.
Jean-Baptiste Kempf
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yogurt
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Re: [DVB-T] BDA plugin memory leak (0.9.0).

Postby yogurt » 04 Apr 2008 09:26

Ok, I tried to contect him but meanwhile can anybody do some test, just to confirm this behaviour.

Thanks a lot,
Yogurt (Alive! ;-))


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