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fix range used for native volume in Set/GetVolume()

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@49027 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-10-03 22:36:29 +00:00
parent 3486da5d11
commit f8e0186b73
1 changed files with 2 additions and 2 deletions
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4
src/msw/mediactrl_am.cpp
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@@ -1966,7 +1966,7 @@ double wxAMMediaBackend::GetVolume()
}
// Volume conversion from Greg Hazel
double dVolume = (double)lVolume / 125;
double dVolume = (double)lVolume / 100;
// convert to 0 to 1
dVolume = pow(10.0, dVolume/20.0);
@@ -1993,7 +1993,7 @@ bool wxAMMediaBackend::SetVolume(double dVolume)
// convert to -100db to 0db
dVolume = 20 * log10(dVolume);
// scale to -10000 to 0
lVolume = (long)(125 * dVolume);
lVolume = (long)(100 * dVolume);
HRESULT hr = GetAM()->put_Volume( lVolume );
if(FAILED(hr))