pjsua_enum_snd_dev() access violation

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Hi,
could you give a bit detail of the condition of variables right before
executing that line?
I guess the "ci" is NULL.

nanang


On 20/12/2007, Alister Brenton <uaf_brenton at concsols.com> wrote:
>
> Hi, just did a step by step trace - it fails in pjsua_media.c line 1633:
>
> pj_memcpy(&info[i], ci, sizeof(*ci));
>
>
> --
> Alister
>
> nanang izzuddin wrote:
> > Hi Alister,
> >
> > One possibility is there is no sound card or port audio failed to
> > enumerate one.
> > In this case, it may be caused by signed to unsigned conversion in
> > pjsua_enum_snd_devs():
> >
> >     unsigned i, dev_count;
> >     dev_count = pjmedia_snd_get_dev_count();
> >     if (dev_count > *count) dev_count = *count;
> >
> > I think you can check that by trace step-by-step into that function.
> >
> > nanang
> >
> >
> > On 20/12/2007, *Alister Brenton* <uaf_brenton at concsols.com
> > <mailto:uaf_brenton at concsols.com>> wrote:
> >
> >     //in spctl.h
> >     pjmedia_snd_dev_info m_DevInfos[255];
> >
> >
> >
> >     //in sipctl.cpp
> >     int CSipCtl::GetNumSoundDevs()
> >     {
> >         unsigned int result = 255;
> >         pj_status_t status;
> >         status = pjsua_enum_snd_devs(m_DevInfos,&result); // this line
> >     fails! :O
> >         if(status)
> >         {
> >             return -1;
> >         }
> >         return result;
> >     }
> >
> >     The problem I'm having is when I set count to anything other than
> >     zero,
> >     I get an access violation in memcpy.asm - I've tried the usual
> >     suspects
> >     (checking pointers etc) but no luck - any ideas?
> >
> >
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