Thread View: borland.public.cppbuilder.multimedia
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Started by tichy
Sun, 30 May 2004 20:05
How to set volume?
Author: tichy
Date: Sun, 30 May 2004 20:05
Date: Sun, 30 May 2004 20:05
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my proggy uses DirectSound to play samples. I can decrease sample volume in buffer but can not amplify it. So I have to use system mixer do increase it. I have searched in list archiv and on Borland`s sources but found nothing except Julian Bunn julianb@altavista.net example that explains nothing. This is not standalone example and I can`t see how it works. Can someone explain me what to do to set volume of mixer`s line. (Step by step). -- Andrzej Kry�ski http:\\tichy.fm.interia.pl
Re: How to set volume?
Author: tichy
Date: Mon, 31 May 2004 08:52
Date: Mon, 31 May 2004 08:52
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supplement: I don`t mean waveOutSetVolume() , wave interface routine, rather mixerSetControlDetails(...) -- Andrzej Kry�ski http:\\tichy.fm.interia.pl
Re: How to set volume?
Author: Mark Jacobs
Date: Tue, 01 Jun 2004 11:47
Date: Tue, 01 Jun 2004 11:47
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"tichy" <tichy@pocztafm> wrote in message news:40baf244@newsgroups.borland.com... > supplement: I don`t mean waveOutSetVolume() , wave interface routine, rather > mixerSetControlDetails(...) This involves evaluating all mixer controls and detecting the relevant one(s) to change. An excellent free example with all the code (in Delphi) can be found here :- http://www.fi.muni.cz/~xkovalc/zip/amixer.zip I got this from www.fi.muni.cz/~xkovalc HTH, -- Mark Jacobs DK Computing http://www.dkcomputing.co.uk markj atty critical dotty co dotty uk
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