How to reduce virtual memory allocated by each GStreamer stream?

[Sebastian Dröge]

On Fri, 2016-09-09 at 17:43 -0300, Linux - Junior Polegato wrote:
> Hi!
> 
>          I need to put 32 RTSP/H264 streams in a Gtk window, but
> each 
> stream allocates about 200 MB of virtual memory and 30 MB of real
> memory.
> 
>          So, when allocated more then 3.5 GB the system falls with 
> messages like "Segmentation fault" ou "Can't allocate memory".
> 
>          If I open 2 windows with 16 streams each, about 3 GB
> allocated 
> each, it works fine.
> 
>          So, how can I reduce the allocated virtual memory?

As a first step, try using a tool like valgrind's massif to see where
all the memory is allocated, and especially where the major part of it
is allocated. Then these specific parts can be optimized.

-- 
Sebastian Dröge, Centricular Ltd · http://www.centricular.com
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