MP3 playback issue with HEAD build.

I don't know why there would be a difference in preroll
values, but I doubt that difference is contributing to
the crash. Ususually if I encounter a crash during
the new operator, I suspect the heap has gotten
corrupted, and that usually means buffer overrun
or underrun.

If you are running splay, you might try the
"valgrind"
tool using a debug build. Valgrind is usually very good
at finding leaks and buffer over/under-runs. Trying
Googling "valgrind" and see if you can find it.
I'm
pretty sure it's Linux-only.

Eric

> -----Original Message-----
> From: helix-client-dev-bounceshelixcommunity.org 
> [mailto:helix-client-dev-bounceshelixcommunity.org] On 
> Behalf Of Jagmeet Singh
> Sent: Wednesday, July 12, 2006 2:43 AM
> To: helix-client-devhelixcommunity.org
> Subject: [Helix-client-dev] MP3 playback issue with
HEAD build.
> 
> Hi,
>  
> I am working on a HEAD build on linux. The build was 
> successful and when I tried to playback the samples of 
> various media types I found that the mp3 format could
not be 
> played due to a segmentation fault which happens
shortly 
> after the playback starts. Upon investigating further I
found 
> that the segmentation faults happen in a call made to
new 
> operator from HXStreamPktBufInfo::OnPacket() when it
tries to 
> create an instance of HXPktInfo. I am looking further
into 
> the fileformat plugin.
>  
> I have come across some changes wrt the clip details 
> displayed on the console when we use splay:
>  
> When I tried playing the same file mp3 file with the
cayenne 
> build on Windows I found that the
> Preroll=1000
> PostDecodeDelay=1000
>  
> But with the HEAD build on linux the values are
> Preroll=325
> PostDecodeDelay=200
>  
> Later when I tried with the cayenne build on linux I
found 
> that the values are same as those on Windows which is
> Preroll=1000
> PostDecodeDelay=1000
>  
> I wonder if this has something to do with this
behavior. It 
> would be a great help if I could get some insight wrt
these changes.
>  
> Regards,
> Jagmeet Singh
> Software Development Engineer
> Helix Community
> Real Networks, Inc. 
> jsinghreal.com 
> http://www.helixcommuni
ty.org <http://www.helixco
mmunity.org/> 
> http://www.realnetworks.com/products/support/devsupp
ort.html
>  
> 


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