1 /* 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 // This utility will portably force the volume of the default microphone to max. 12 13 #include <stdio.h> 14 15 #include "webrtc/base/scoped_ptr.h" 16 #include "webrtc/test/channel_transport/channel_transport.h" 17 #include "webrtc/voice_engine/include/voe_audio_processing.h" 18 #include "webrtc/voice_engine/include/voe_base.h" 19 #include "webrtc/voice_engine/include/voe_volume_control.h" 20 21 int main(int argc, char** argv) { 22 webrtc::VoiceEngine* voe = webrtc::VoiceEngine::Create(); 23 if (voe == NULL) { 24 fprintf(stderr, "Failed to initialize voice engine.\n"); 25 return 1; 26 } 27 28 webrtc::VoEBase* base = webrtc::VoEBase::GetInterface(voe); 29 webrtc::VoEVolumeControl* volume_control = 30 webrtc::VoEVolumeControl::GetInterface(voe); 31 32 if (base->Init() != 0) { 33 fprintf(stderr, "Failed to initialize voice engine base.\n"); 34 return 1; 35 } 36 // Set to 0 first in case the mic is above 100%. 37 if (volume_control->SetMicVolume(0) != 0) { 38 fprintf(stderr, "Failed set volume to 0.\n"); 39 return 1; 40 } 41 if (volume_control->SetMicVolume(255) != 0) { 42 fprintf(stderr, "Failed set volume to 255.\n"); 43 return 1; 44 } 45 46 return 0; 47 } 48
