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Author: richtergenrichtergen Date: Aug 6, 2008 07:54
Hi All,
I have implemented IBasicAudio interface in my filter. I want to use
it as Audio renderer. The problem i am facing is that this
implementation is working fine in Windows XP but somehow it is not
working fine in Windows Vista. Windows Media Player doesn't call the
IBasicAudio methods properly in case of Windows Vista.
In Windows Vista I am receiving only the call for IBasicAudio::
get_Volume() & put_Volume method, whenever the filter is paused or
played again.
Even these calls are not called with correct values as these calls to
put_Volume() method is always coming with
-9640 as parameter, even if the volume bar in WMP is at Max volume
level.
Else I dont receive any call for any of these methods, when i move the
volume bar in windows media player..
Kindly advice if anyone is having any idea.
Regards,
Richtergen
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Author: Chris P.Chris P. Date: Aug 6, 2008 13:45
On Wed, 6 Aug 2008 07:54:14 -0700 (PDT), richtergen@ gmail.com wrote:
> I have implemented IBasicAudio interface in my filter. I want to use
> it as Audio renderer. The problem i am facing is that this
> implementation is working fine in Windows XP but somehow it is not...
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Author: richtergenrichtergen Date: Aug 7, 2008 03:44
On Aug 7, 1:45 am, "Chris P." chrisnet.net> wrote:> On Wed, 6 Aug 2008 07:54:14 -0700 (PDT), richter...@ gmail.com wrote: >> I have implemented IBasicAudio interface in my filter. I want to use
>> it as Audio renderer. The problem i am facing is that this
>> implementation is working fine in Windows XP but somehow it is not
>> working fine in Windows Vista. Windows Media Player doesn't call the
>> IBasicAudio methods properly in case of Windows Vista.
>
>> In Windows Vista I am receiving only the call for IBasicAudio::
>> get_Volume() & put_Volume method, whenever the filter is paused or
>> played again.
>
>> Even these calls are not called with correct values as these calls to
>> put_Volume() method is always coming with
>> -9640 as parameter, even if the volume bar in WMP is at Max volume
>> level.
>
>> Else I dont receive any call for any of these methods, when i move the
>> volume bar in windows media player..
> ...
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Author: Chris P.Chris P. Date: Aug 7, 2008 06:04
On Thu, 7 Aug 2008 03:44:45 -0700 (PDT), richtergen@ gmail.com wrote:
> One more interesting fact that i found out recently is that, this
> IBasicAudio implementation is working fine for links playing Mpeg
> contents embedded in Internet explorer(WMP embedded in IE). And I am
> getting proper calls to these methods get_Volume() & put_Volume(),
> with appropriate values.
>
> But this implementation is not working fine on standalone WMP, which
> it was when it is on XP.
Do you know what version of embedded WMP it is? The 9 & 10 versions might
have different behaviour than the 11 version. On XP are you testing with
WMP 10 or 11?
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Author: richtergenrichtergen Date: Aug 7, 2008 06:56
On Aug 7, 6:04 pm, "Chris P." chrisnet.net> wrote:> On Thu, 7 Aug 2008 03:44:45 -0700 (PDT), richter...@ gmail.com wrote: >> One more interesting fact that i found out recently is that, this
>> IBasicAudio implementation is working fine for links playing Mpeg
>> contents embedded in Internet explorer(WMP embedded in IE). And I am
>> getting proper calls to these methods get_Volume() & put_Volume(),
>> with appropriate values.
>
>> But this implementation is not working fine on standalone WMP, which
>> it was when it is on XP.
>
> Do you know what version of embedded WMP it is? The 9 & 10 versions might
> have different behaviour than the 11 version. On XP are you testing with
> WMP 10 or 11?
>
> -- http://www.chrisnet.net/code.htm
> [MS MVP for DirectShow / MediaFoundation]
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Author: Chris P.Chris P. Date: Aug 7, 2008 07:26
On Thu, 7 Aug 2008 06:56:02 -0700 (PDT), richtergen@ gmail.com wrote:
> On Windows XP, WMP version is 11.0.5721.5230
>
> and on Windows VISTA Ultimate edition, WMP version is 11.0.6000.6324.
> On Vista when embedded mode is used then the WMP version shown is same
> as above WMP on Vista.
Very strange. Almost seems as though one of WMP's fancy graphical display
modes is interfering. Does it behave any differently when minimized to the
task bar?
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Author: richtergenrichtergen Date: Aug 7, 2008 08:21
On Aug 7, 7:26 pm, "Chris P." chrisnet.net> wrote:> On Thu, 7 Aug 2008 06:56:02 -0700 (PDT), richter...@ gmail.com wrote: >
>> and on Windows VISTA Ultimate edition, WMP version is 11.0.6000.6324.
>> On Vista when embedded mode is used then the WMP version shown is same
>> as above WMP on Vista. >
> Very strange. Almost seems as though one of WMP's fancy graphical display
> modes is interfering. Does it behave any differently when minimized to the
> task bar?
>
> -- http://www.chrisnet.net/code.htm
> [MS MVP for DirectShow / MediaFoundation]
No, It doesn't behave differently, when the WMP is minimized to task
bar. I am still not able to get any volume controls.
Richtergen
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Author: richtergenrichtergen Date: Sep 3, 2008 00:27
On Aug 7, 8:21 pm, "richter...@ gmail.com" gmail.com>
wrote:> On Aug 7, 7:26 pm, "Chris P." chrisnet.net> wrote:
>>> On Thu, 7 Aug 2008 06:56:02 -0700 (PDT), richter...@ gmail.com wrote: >
>>> and on Windows VISTA Ultimate edition, WMP version is 11.0.6000.6324.
>>> On Vista when embedded mode is used then the WMP version shown is same
>>> as above WMP on Vista. >
>> Very strange. Almost seems as though one of WMP's fancy graphical display
>> modes is interfering. Does it behave any differently when minimized to the
>> task bar?
>
>
> No, It doesn't behave differently, when the WMP is minimized to task
> bar. I am still not able to get any volume controls. ...
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