[gst-devel] gst directshow wrapper weirdness

Ali Sabil ali.sabil at tandberg.com
Mon Jun 11 13:34:21 CEST 2007


Hello again :)

the key exists, and it points to libgstdshowsrcwrapper.dll

Thanks

--
Ali

On Sun, 2007-06-10 at 23:42 +0200, Sébastien Moutte wrote:
> if you still have the same error code saying that it can't find the fake 
> sink's CLSID in the registry, you should search for 
> {6A780808-9725-4d0b-8695-A4DD8D210773} key in your registry to check if 
> the filter object registration was done correctly or not.
> Normally, you will find a key 
> HKEY_CLASSES_ROOT\CLSID\{6A780808-9725-4D0B-8695-A4DD8D210773} with the 
> path of DLL in as default value of InprocServer32 subkey.
> Sebastien
> 
> Ali Sabil a écrit :
> > Hello again,
> >
> > Now I finally managed to fix the stdcall symbol naming problem (the @x
> > that get appended), by making use of Aliasing (both symbols are
> > available now), now Regsvr32 succeeds, but I still get this error saying
> > that it failed at creating the FakeSink filter.
> >
> > Any help/idea/suggestion would be very welcome.
> >
> > Thanks
> >
> > --
> > Ali
> >
> > On Thu, 2007-06-07 at 23:29 +0200, Sébastien Moutte wrote:
> >   
> >> It could be an exportation problem, you should see DllRegisterServer in 
> >> the Dependency Walker and not DllRegisterServer at 0
> >> I'm using a .def to export functions, maybe mingw doesn't handle it 
> >> correctly ...
> >>
> >> Ali Sabil a écrit :
> >>     
> >>> The actual error message from regsvr32 is "ligstdhow-0.10-0.dll was
> >>> loaded, but the DllRegisterServer entry point was not found".
> >>>
> >>> The weird thing is that the DllRegisterServer at 0 symbol is defined in
> >>> the .dll file (I checked using a tool called Dependency Walker)
> >>>
> >>> Any ideas about the problem ?
> >>>
> >>> --
> >>> Ali
> >>>
> >>> On Wed, 2007-06-06 at 18:13 +0200, Ali Sabil wrote:
> >>>   
> >>>       
> >>>> It seems like the filter doesn’t get registered as it should be. I
> >>>> also tried to make DllRegister and DllUnregister dllexported and ran
> >>>> regsvr32 to register it, but it failed saying that the filter could
> >>>> not be registered.
> >>>>
> >>>>  
> >>>>
> >>>> Btw, I had to apply some fixes, to get it to build, and I am building
> >>>> it using mingw32 on GNU/Linux, if you want I can make the compiled
> >>>> libgstdshow available so hat you can take a look at it.
> >>>>
> >>>>  
> >>>>
> >>>> Thank you
> >>>>
> >>>>  
> >>>>
> >>>> --
> >>>>
> >>>> Ali
> >>>>
> >>>>  
> >>>>
> >>>>                                    
> >>>> ______________________________________________________________________
> >>>> From:Sebastien Moutte [mailto:sebastien at moutte.net] 
> >>>> Sent: Wednesday, June 06, 2007 4:34 PM
> >>>> To: Ali Sabil; gstreamer-devel at lists.sourceforge.net
> >>>> Subject: RE: [gst-devel] gst directshow wrapper weirdness
> >>>>
> >>>>
> >>>>  
> >>>>
> >>>> Hi,
> >>>>
> >>>> It seems the DirectShow fake sink element is not registered on your
> >>>> computer.
> >>>>
> >>>> This filter is implemented inside libdshow-0.10.dll and normally
> >>>> dshowvideosrc and dshowaudiosrc are registering it automatically so
> >>>> you have probably some dependency problem or there was a problem
> >>>> during the registration.
> >>>>
> >>>> If you have installed DirectX SDK, you have probably graphedit.exe on your computer, you can use it to search for “DSHOW fake sink filter” in the DirectShow installed filters list.
> >>>>
> >>>> Regards,
> >>>>
> >>>> Sebastien
> >>>>
> >>>>  
> >>>>
> >>>> From:gstreamer-devel-bounces at lists.sourceforge.net
> >>>> [mailto:gstreamer-devel-bounces at lists.sourceforge.net] On Behalf Of
> >>>> Ali Sabil
> >>>> Sent: mardi 5 juin 2007 11:55
> >>>> To: gstreamer-devel at lists.sourceforge.net
> >>>> Subject: [gst-devel] gst directshow wrapper weirdness
> >>>>
> >>>>
> >>>>  
> >>>>
> >>>> Hello all,
> >>>>
> >>>> After many days trying to cross compile the new directshow wrapper,
> >>>> and
> >>>> the audio and video source for windows using mingw32, I finally
> >>>> succeeded in building the .dll files, but now when I try to run it I
> >>>> get
> >>>> the following error :
> >>>>
> >>>>  $ gst-launch-0.10.exe dshowvideosrc ! ffmpegcolorspace !
> >>>> directdrawsink
> >>>> Setting pipeline to PAUSED ...
> >>>> 0:00:00.264301000  2056 003D42E0 ERROR        dshowvideosrc
> >>>> gstdshowvideosrc.c:602:gst_dshowvideosrc_start: Can't create an
> >>>> instance
> >>>> of our dshow fakesink filter (error=-2147221164)
> >>>> ERROR: Pipeline doesn't want to pause.
> >>>> Setting pipeline to NULL ...
> >>>> FREEING pipeline ...
> >>>>
> >>>> Thanks
> >>>>
> >>>> --
> >>>> Ali
> >>>>
> >>>>  
> >>>>
> >>>>
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