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Volume Control

Posted on 2001-09-11
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Last Modified: 2013-12-03
In my application i am playing some songs...I have provided an opition to adjust volume...(Increase or Decrease)..

I used WIN32 APIs like mixerOpen,mixerGetLineControl and so on. to adjust the volume...But these functions affects the systems volume itself...I want to create a volume control as same in Windows Media player...The adjustments(Volume inc/dec i made) should affect only that application..Not the entire windows itself...

Hope u understand my question...

Awaiting for comments...
Thanks
S.Nagarajan

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Question by:pamboo
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Expert Comment

by:dspector
ID: 6484775
S.Nagarajan, You can change the mixer (system) volume by using the functions you mentioned. You can also change the volume of one specific device, such as All Waves (WAV), MIDI, CD, etc.

If one of these meets your needs, let me know and I will post the code here.

David
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Author Comment

by:pamboo
ID: 6485479
Despector,
         For .wav i used waveOutGetVolume,waveOutSetVolume to control...It is controling the systems wave out...(means for entire application running in Windows)..But what i want is the same as a volume control in windows media player...(which does not affect the systems volume control..But the voulme is controlled for that particular application say wmplayer) ..Hope u got what I want...

Thanking u...
bye
S.Nagarajan
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Expert Comment

by:Moondancer
ID: 6823659
Have you been helped here so you can accept to grade and close, or is more needed?

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dspector earned 100 total points
ID: 6833192
Hello. Please excuse me for not responding to the last comment; for a period of time back then EE was failing to send me email when a posting occurred, and I was relying on the email.

If pamboo is still around, the waveOutSetVolume is exactly what I had in mind. It sets the volume for .wav files only, not the system volume.

If you open the volume control from the taskbar (to enable it: Control Panel->Multimedia), the left-most slider control is for the mixer output, which is the System Volume. To the right of that, one of the sliders is labelled Wave Volume or something similar. This is the volume for .wav files only.

Further information is available in MSDN Libarary.

You can search Microsoft's MSDN Library at http://search.microsoft.com/us/dev/default.asp.

David
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by:Moondancer
ID: 6900015
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Expert Comment

by:dspector
ID: 6900633
Moondancer, are you addressing your comments to me or to pamboo?

David
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Expert Comment

by:Moondancer
ID: 6900680
All to pamboo, who asked all these questions; and since you did help and responded, will close this now and award you the points.
Thanks,
Moondancer - EE Moderator
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