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Fixes volume problem controls, happening with some Logitech headset [from gips P4 depot CL 38122]

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Review URL: http://webrtc-codereview.appspot.com/108004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@389 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
punyabrata@webrtc.org 2011-08-17 00:15:52 +00:00
parent 467b1a9e4a
commit 7049389794
1 changed files with 9 additions and 7 deletions
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16
src/modules/audio_device/main/source/win/audio_mixer_manager_win.cc
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@ -349,13 +349,15 @@ WebRtc_Word32 AudioMixerManager::EnumerateMicrophones()
{ {
// selection now contains the index of the selected source => // selection now contains the index of the selected source =>
// read the line information for this source // read the line information for this source
if (!GetSourceLineInfo(mixId, destId, selection, sourceLine)) // if conditions listed below
{ // condition 1: invalid source
return -1; // condition 2: no controls
} // condition 3: disconnected
if (sourceLine.cControls == 0 || // no controls // condition 4: inactive
(sourceLine.fdwLine & MIXERLINE_LINEF_DISCONNECTED) || // disconnected if (!GetSourceLineInfo(mixId, destId, selection, sourceLine) ||
!(sourceLine.fdwLine & MIXERLINE_LINEF_ACTIVE)) // inactive (sourceLine.cControls == 0) ||
(sourceLine.fdwLine & MIXERLINE_LINEF_DISCONNECTED) ||
!(sourceLine.fdwLine & MIXERLINE_LINEF_ACTIVE))
{ {
continue; continue;
} }