Right before it fires:
? pjmedia_snd_get_dev_info returned 0x009e4d90 info {name=0x009e4d90
"Microsoft Sound Mapper - Input" input_count=2 output_count=0 ...} const
pjmedia_snd_dev_info *
+ &info 0x00126ea4 pjmedia_snd_dev_info * *
+ &info[i] 0x00001580 {name=0x00001580 <Bad Ptr> input_count=???
output_count=??? ...} pjmedia_snd_dev_info *
+ *ci {name=0x009e4d90 "Microsoft Sound Mapper - Input" input_count=2
output_count=0 ...} const pjmedia_snd_dev_info
+ ci 0x009e4d90 info {name=0x009e4d90 "Microsoft Sound Mapper - Input"
input_count=2 output_count=0 ...} const pjmedia_snd_dev_info *
i 0 unsigned int
--
Alister
nanang izzuddin wrote:
> 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
> <mailto: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>
> > <mailto: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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