How to cache audio stream?
Sat, 8 Dec 2007 20:04:02 +0600
Hello,
Is it possible to write a special DShow filter, that would have 2 pins,
won't make any modifications to the data (output and input pins - same
format), and would just cache some portion of the stream, not giving it
further to the output pin for some time?
Let's say we have 10mb MP3. I would like to ...
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How put left audio to right speaker and vice versa?
Fri, 7 Dec 2007 09:12:21 -0800 (PST)
In the interest of "stream splitting" or rather splitting off left and
right audio in a media stream, I wanted to know how we might take the
left audio channel and make it go to the right speaker and vice
versa? This is because we want to mix in 2 separate audio channels
into one encoder session to maximize ban ...
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DirectSoundCreate8 & DSERR_NODRIVER
Fri, 07 Dec 2007 16:33:04 +0100
Hi,
Does anyone know when exactly DirectSoundCreate8
returns the DSERR_NODRIVER error code?
I have this issue on some systems after adding or
removing USB audio devices. For example:
- start with an usb headset A and a soundcard
DirectSoundCreate8 for the headset -> success
- unplug USB audio devi ...
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Vista WASAPI
Thu, 6 Dec 2007 20:55:00 -0800
In the Vista is there any method to set the playback device format using
WASAPI. ...
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Graph Builder and releasing files
Thu, 6 Dec 2007 17:03:57 -0800 (PST)
Hi, it's me again but with another problem this time.
My applications works like this:
I run a directShow graphBuilder with a couple of filters and an mp3
file as source.
The graph is doing its work until end, and my application waits for
that to happen using method mediaControl.StopWhenReady(). When it
ends, ...
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Converting mp3 to wav using DirectShow
Thu, 6 Dec 2007 08:32:50 -0800 (PST)
Hi,
I have an mp3 file and i want to play it using
DirectSound.SecondaryBuffer, so i need to first convert it to wav. I
created a graph consisting of 3 filters: File Source(mp3), WavDest and
File Writer. In GraphEdit that combination works well and i get at the
end an wav file. I implemeted that graph in c# u ...
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waveInUnprepareHeader Fails When Windows Mobile Application
Deactivates
Thu, 6 Dec 2007 06:33:40 -0800 (PST)
Hi,
I am writing a .NET Compact Framework application to record audio on a
windows mobile device, using the audio api made available through
coredll.dll.
When I open another application in front of my recorder and the
deactivate event fires some of the audio functions I am calling stop
working.
waveInAd ...
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Audio Speed
Tue, 4 Dec 2007 04:35:58 -0800 (PST)
I have an Audio Stream. I want to slow down the audio playback without
affecting the original pitch. For example lets say the audio stream
contains this dialogue: "How are you."
At normal speed the whole sentence would be spoken in probably 1
second.
I want to have a 1 second gap between the three words. Somet ...
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How to mix two differrent audio files using directsound?
Tue, 4 Dec 2007 17:34:32 +0700
Anyone can show me how to mix two differrent audio files (WAV or MP3) using
Directsound?
Thank for any suggesstion.
...
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DirectShow Filter Graph Manager usage In VB or VC++
Mon, 3 Dec 2007 09:24:08 +0100
Hi, (All DirectX Programers)
i am a VB Developer
i want to use DirectShow to play my Media Files
ho to use the Filter Graph Manager in VB ?
otherwise, in VC++...
if you want to send to me a Simple Sample in VC++, please send it to me
using the COM Suport or the DirectShow Include Files
my Email Address is:
...
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