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Wrote a small portable tool for forcing the mic volume to 100%.

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BUG=
R=henrika@webrtc.org, kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1477005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4045 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
phoglund@webrtc.org 2013-05-16 13:10:00 +00:00
parent 29d5839233
commit 61d3c552a1
2 changed files with 57 additions and 0 deletions
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47
webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc Normal file
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@ -0,0 +1,47 @@
/*
* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
// This utility will portably force the volume of the default microphone to max.
#include <cstdio>
#include "webrtc/system_wrappers/interface/scoped_ptr.h"
#include "webrtc/test/channel_transport/include/channel_transport.h"
#include "webrtc/voice_engine/include/voe_audio_processing.h"
#include "webrtc/voice_engine/include/voe_base.h"
#include "webrtc/voice_engine/include/voe_volume_control.h"
int main(int argc, char** argv) {
webrtc::VoiceEngine* voe = webrtc::VoiceEngine::Create();
if (voe == NULL) {
fprintf(stderr, "Failed to initialize voice engine.\n");
return 1;
}
webrtc::VoEBase* base = webrtc::VoEBase::GetInterface(voe);
webrtc::VoEVolumeControl* volume_control =
webrtc::VoEVolumeControl::GetInterface(voe);
if (base->Init() != 0) {
fprintf(stderr, "Failed to initialize voice engine base.\n");
return 1;
}
// Set to 0 first in case the mic is above 100%.
if (volume_control->SetMicVolume(0) != 0) {
fprintf(stderr, "Failed set volume to 0.\n");
return 1;
}
if (volume_control->SetMicVolume(255) != 0) {
fprintf(stderr, "Failed set volume to 255.\n");
return 1;
}
return 0;
}

10
webrtc/tools/tools.gyp
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@ -102,6 +102,16 @@
'frame_editing/frame_editing.cc', 'frame_editing/frame_editing.cc',
], ],
}, # frame_editing }, # frame_editing
{
'target_name': 'force_mic_volume_max',
'type': 'executable',
'dependencies': [
'<(webrtc_root)/voice_engine/voice_engine.gyp:voice_engine_core',
],
'sources': [
'force_mic_volume_max/force_mic_volume_max.cc',
],
}, # force_mic_volume_max
], ],
'conditions': [ 'conditions': [
['include_tests==1', { ['include_tests==1', {