[MPlayer-cygwin] [BUGREPORT] Real Media crash in excuciatingdetail

Diego Biurrun diego at biurrun.de
Mon Apr 17 01:22:31 CEST 2006


On Sun, Apr 16, 2006 at 07:05:53PM -0400, John Brown wrote:
> 
> >On Sun, 16 Apr 2006 17:05:40 +0200, Diego Biurrun wrote:
> >
> >On Sun, Apr 16, 2006 at 02:52:49AM -0400, John Brown wrote:
> >>
> >> >From: Diego Biurrun <diego at biurrun.de>
> >> >Date: Sat, 15 Apr 2006 16:19:26 +0200
> >> >
> >> >On Mon, Apr 03, 2006 at 07:06:52PM -0400, John Brown wrote:
> >> >>
> >> >> One particular Real Media cartoon crashes MEncoder (and MPlayer) 
> >> >> about 2 seconds into the file.
> >> >
> >> >It does not crash MPlayer on Linux/PPC.
> >>
> >> As expected. I understand that on Windows, MPlayer uses RealPlayer DLLs,
> >> while the Linux version has open-source RealPlayer codecs. Is there a
> >> particular reason why those codecs cannot be ported to Windows?
> >
> >No.  There are four different kinds of RealVideo, RV10-RV40, there is a
> >free decoder for RV10 and RV20 only.  MPlayer uses binary codecs on
> >Windows and Linux for the others.
> 
> I believe my file was RV40. In any case, according to the Dr. Mingw stack 
> trace, the error occurred in an MPlayer source file. So I am hoping that 
> whatever the codec returned can be handled gracefully by MPlayer, since 
> Media Player Classic played it without a problem. I am also hoping that if 
> this can be fixed, then I will no longer suffer from the occasional (very 
> infrequent) RealMedia crashes that I endure now.
> 
> Are you a developer? Since you cannot reproduce the crash, does the Dr. 
> Mingw stack trace mean anything to you? I thnk the access violation may 
> have been caused by an array index out-of-bounds.

Yes, I'm a developer, but I'm no expert in RealMedia.  I'm CCing Roberto
Togni on this thread, he is the expert for all things RealMedia.

Diego




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