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Re: octave video/avi crashes - anybody have similar experience?


From: Kenneth Johnson
Subject: Re: octave video/avi crashes - anybody have similar experience?
Date: Mon, 2 Aug 2010 19:13:56 -0700 (PDT)

 
So it sounds like it's not just my installation.  That's a good thing - in a strange way.
 
I'm tracking down ffmpeg to see what I have installed.
 
v/r
Ken J.

--- On Mon, 8/2/10, Tatsuro MATSUOKA <address@hidden> wrote:

From: Tatsuro MATSUOKA <address@hidden>
Subject: Re: octave video/avi crashes - anybody have similar experience?
To: address@hidden, "Jordi Guti 将ア rrez Hermoso" <address@hidden>, "Kenneth Johnson" <address@hidden>
Cc: "Octave-help" <address@hidden>
Date: Monday, August 2, 2010, 2:10 AM

Hello


I have slightly modified the function as,

%*************
% convert3DtoAVI(File, Array)

function [] = convert3DtoAVI(filename, Wavefront)

% -- Open file and stuff frames

%OurPath = "c:\\Users\\Owner\\Documents\\Octave\\";
%AVIName = strcat(RootName, SubName);
%filename = strcat(OurPath, AVIName);
printf("convert3DtoAVI: %s\n", filename);

% --

[xSize, ySize, nImages] = size(Wavefront);
Image = Wavefront(:,:,1);
ZeroImage = zeros(size(Image));

% -- This is the avi loop

avi = avifile(filename);

% --

addframe(avi, ZeroImage);

for i = 1:nImages

Image = Wavefront(:,:,i);
% sImage = ScaleImage01(Image);
% addframe(avi, sImage);
addframe(avi, Image);

end
addframe(avi, ZeroImage);
%aviinfo(filename)
endfunction
%***************


and carried out the test sometimes

Wavefront=rand(128,128,128);
filename='test.avi'
convert3DtoAVI(filename, Wavefront);

I could reproduce the crash three times. it happened not always but with a probability.
I am using win XP pro sp3.

One of the octave-core dump is

4F 63 74 61 76 65 2D 31 2D 4C 00 08 00 00 00 2E Octave-1-L......
6E 61 72 67 69 6E 2E 00 00 00 00 00 FF 06 00 00 nargin..........
00 73 63 61 6C 61 72 07 00 00 00 00 00 00 08 40 .scalar........@


However, I cannot reproduce error at some moments. ????

Perhaps something is wrong but .....

Sorry I can say any further at this moments.

Regards

Tatsuro





--- Tatsuro MATSUOKA wrote:

> Hello
>
> >I believe Tatsuro has been doing Windows releases, but I'm not certain.
>
> Benjamin Lindner is the maintainer of the current windows binaries.
> I'm a one of the guys to working with the octave for windows.
>
> But I am not directly concerning to the official release of the windows binaries.
>
>
> Seeing the SVN repository,with which one can build octave by oneself (tough work), there found 
>
>
> http://octave.svn.sourceforge.net/viewvc/octave/trunk/octave-forge/admin/Windows/mingw32/ffmpeg/
>
>  ffmpeg-0.5 seem to be used.
>
> The above I can tell at the moment.
>
> Regards
>
> Tatsuro
>
>
> --- Jordi Guti将アrrez Hermoso  wrote:
>
> > 2010/8/1 Kenneth Johnson
> >
> > > THe OS is windows 7.
> >
> > For some reason, I didn't really assimilate the possiblity that you
> > were using Windows. I'm afraid I know almost nothing about Windows. I
> > believe Tatsuro has been doing Windows releases, but I'm not certain.
> > I imagine the Windows version must ship some sort of version of ffmpeg
> > if the video package works, so the problem is most likely an
> > unfortunate interplay between the Octave code and the ffmpeg code.
>
> > > A second symptom [...]
> >
> > It is folly to try to diagnose nasal demons without at least a stack
> > trace. I will thus refrain from doing so until hard data is available.
> >
> > > I've got to think about becoming a developer again.............
> >
> > It may well be the fastest way to solve this problem. I may end up
> > solving different problems if I attempt to do so in my cozy Debian
> > environment.
> > _______________________________________________
> > Help-octave mailing list
> > address@hidden
> > https://www-old.cae.wisc.edu/mailman/listinfo/help-octave
> >
>
>
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