From 61d3c552a16c939945a613d2df056be9cad9143e Mon Sep 17 00:00:00 2001 From: "phoglund@webrtc.org" Date: Thu, 16 May 2013 13:10:00 +0000 Subject: [PATCH] Wrote a small portable tool for forcing the mic volume to 100%. 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 --- .../force_mic_volume_max.cc | 47 +++++++++++++++++++ webrtc/tools/tools.gyp | 10 ++++ 2 files changed, 57 insertions(+) create mode 100644 webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc diff --git a/webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc b/webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc new file mode 100644 index 0000000000..c824f8a836 --- /dev/null +++ b/webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc @@ -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 + +#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; +} diff --git a/webrtc/tools/tools.gyp b/webrtc/tools/tools.gyp index 3a6787e2bd..a16ad51851 100644 --- a/webrtc/tools/tools.gyp +++ b/webrtc/tools/tools.gyp @@ -102,6 +102,16 @@ 'frame_editing/frame_editing.cc', ], }, # 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': [ ['include_tests==1', {