[XAudio2] Mapping channel indices to speakers
Fri, 4 Jul 2008 14:23:15 +0100
In XAudio2, does the mastering voice map channels to speakers in the order
they appear in the header file? I can't actually find documented what the
'meaning' of, say, the third input channel to the mastering voice is. Going
by the order in the header, it would be the LFE for a 2.1 setup, or the back
left fo ...
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Re-mixing filter?
Fri, 27 Jun 2008 03:51:01 -0700
Hi,
I would like the use of a general audio re-mixing filter. It should be able
to resample the sample rate, as well as re-mix channels.
I've begun to write my own, I did resampling no problem (as supreme quality
is not necessary and simple linear filtering sounded OK to my ears).
I started writing th ...
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IBasicAudio interface not working on windows Vista
Mon, 23 Jun 2008 23:26:13 -0700 (PDT)
HI All,
I have made an directshow transform filter for MPEG contents.In that
filter i am using IBasicAudio interface for knowing the WMP volume
levels through put_Volume and get_volume functions for my application.
This application is running fine in Windows XP but when i am trying to
RUN it on VIST ...
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Yet another VU-meter post
Mon, 23 Jun 2008 11:09:41 -0700 (PDT)
Hello,
I am working on a program in which I would like to have a real-time VU-
meter.
I have got experience with DirectShow programming and it seems that I
need to use the SampleGrabber
filter for this. But that's where my knowledge stops (I know how to
get samples with it though).
I would like to use t ...
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It's any menthod to detect microphone plugin ?
Sun, 15 Jun 2008 19:03:59 -0700 (PDT)
Dear Advance:
I need to detect microphone plugin or not by programning(Any
language).How can I start for it? Thanks any suggestion. ...
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stop sounds of a different process
Thu, 12 Jun 2008 03:30:00 -0700
Hi,
I have a program (written in C++) which pauses other processes (specific
ones...) on certain scenarios, and then resume their actions after a while.
It does so by basically pausing all the threads of the relevant process (and
then resuming them)
My problem is, sometimes these processes are in the middle ...
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Clips with multiple audio streams in DES
Wed, 11 Jun 2008 03:07:59 -0700 (PDT)
Hi,
I have seen a problem in DES when trying to distribute audio streams
(from a single source file with multiple audio streams) to different
tracks or groups.
Until now I've succesfully tested this situation for clips with just 2
audio streams and by appending the source on the timeline just once:
<grou ...
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AM_MEDIA_TYPE friendly names
Tue, 10 Jun 2008 10:26:34 +0530
Hello Everybody,
Can you please tell me how to retrieve friendly names of AM_MEDIA_TYPE
values ?
Regards,
Shoeb
...
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Why File Writer Filter don't get samples (E_INVALIDARG)?
Sun, 8 Jun 2008 21:07:02 -0700
Hi. I try to modify LAME Direct Show Filter code to enable connect it
directly to FileWriter filter.
So I get LAME 3.98b8 sources. Modify code to enable use { &MEDIATYPE_Stream,
&MEDIASUBTYPE_MPEG1Audio} as output format.
When output sample has this format I run
REFERENCE_TIME rtEndPos = m_rtBytePos+frame ...
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Problem using IMemoryData interface
Sun, 8 Jun 2008 20:30:02 +0400
Hello
Well, I am trying to open a file in a buffer and send this buffer through
the phone
I am using C# and DirectShow.net
I use DirectShow.net in three steps as follows:-
IMediaStream TerminalMediaStream =
MediaStreamTerminal.QueryInterface(typeof(IMediaStream)) as IMediaStream;
//MediaStreamTerminal ...
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