83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
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/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "media/engine/adm_helpers.h"
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#include "modules/audio_device/include/audio_device.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/logging.h"
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namespace webrtc {
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namespace adm_helpers {
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// On Windows Vista and newer, Microsoft introduced the concept of "Default
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// Communications Device". This means that there are two types of default
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// devices (old Wave Audio style default and Default Communications Device).
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//
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// On Windows systems which only support Wave Audio style default, uses either
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// -1 or 0 to select the default device.
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//
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// Using a #define for AUDIO_DEVICE since we will call *different* versions of
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// the ADM functions, depending on the ID type.
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#if defined(WEBRTC_WIN)
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#define AUDIO_DEVICE_ID \
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(AudioDeviceModule::WindowsDeviceType::kDefaultCommunicationDevice)
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#else
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#define AUDIO_DEVICE_ID (0u)
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#endif // defined(WEBRTC_WIN)
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void Init(AudioDeviceModule* adm) {
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RTC_DCHECK(adm);
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RTC_CHECK_EQ(0, adm->Init()) << "Failed to initialize the ADM.";
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// Playout device.
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{
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if (adm->SetPlayoutDevice(AUDIO_DEVICE_ID) != 0) {
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RTC_LOG(LS_ERROR) << "Unable to set playout device.";
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return;
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}
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if (adm->InitSpeaker() != 0) {
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RTC_LOG(LS_ERROR) << "Unable to access speaker.";
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}
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// Set number of channels
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bool available = false;
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if (adm->StereoPlayoutIsAvailable(&available) != 0) {
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RTC_LOG(LS_ERROR) << "Failed to query stereo playout.";
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}
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if (adm->SetStereoPlayout(available) != 0) {
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RTC_LOG(LS_ERROR) << "Failed to set stereo playout mode.";
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}
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}
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// Recording device.
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{
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if (adm->SetRecordingDevice(AUDIO_DEVICE_ID) != 0) {
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RTC_LOG(LS_ERROR) << "Unable to set recording device.";
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return;
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}
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if (adm->InitMicrophone() != 0) {
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RTC_LOG(LS_ERROR) << "Unable to access microphone.";
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}
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// Set number of channels
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bool available = false;
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if (adm->StereoRecordingIsAvailable(&available) != 0) {
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RTC_LOG(LS_ERROR) << "Failed to query stereo recording.";
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}
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if (adm->SetStereoRecording(available) != 0) {
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RTC_LOG(LS_ERROR) << "Failed to set stereo recording mode.";
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}
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}
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}
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} // namespace adm_helpers
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} // namespace webrtc
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