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/*
* Copyright (c) 2017 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.
*/
#include "media/engine/adm_helpers.h"
#include "modules/audio_device/include/audio_device.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
namespace webrtc {
namespace adm_helpers {
// On Windows Vista and newer, Microsoft introduced the concept of "Default
// Communications Device". This means that there are two types of default
// devices (old Wave Audio style default and Default Communications Device).
//
// On Windows systems which only support Wave Audio style default, uses either
// -1 or 0 to select the default device.
//
// Using a #define for AUDIO_DEVICE since we will call *different* versions of
// the ADM functions, depending on the ID type.
#if defined(WEBRTC_WIN)
#define AUDIO_DEVICE_ID \
(AudioDeviceModule::WindowsDeviceType::kDefaultCommunicationDevice)
#else
#define AUDIO_DEVICE_ID (0u)
#endif // defined(WEBRTC_WIN)
void Init(AudioDeviceModule* adm) {
RTC_DCHECK(adm);
RTC_CHECK_EQ(0, adm->Init()) << "Failed to initialize the ADM.";
// Playout device.
{
if (adm->SetPlayoutDevice(AUDIO_DEVICE_ID) != 0) {
RTC_LOG(LS_ERROR) << "Unable to set playout device.";
return;
}
if (adm->InitSpeaker() != 0) {
RTC_LOG(LS_ERROR) << "Unable to access speaker.";
}
// Set number of channels
bool available = false;
if (adm->StereoPlayoutIsAvailable(&available) != 0) {
RTC_LOG(LS_ERROR) << "Failed to query stereo playout.";
}
if (adm->SetStereoPlayout(available) != 0) {
RTC_LOG(LS_ERROR) << "Failed to set stereo playout mode.";
}
}
// Recording device.
{
if (adm->SetRecordingDevice(AUDIO_DEVICE_ID) != 0) {
RTC_LOG(LS_ERROR) << "Unable to set recording device.";
return;
}
if (adm->InitMicrophone() != 0) {
RTC_LOG(LS_ERROR) << "Unable to access microphone.";
}
// Set number of channels
bool available = false;
if (adm->StereoRecordingIsAvailable(&available) != 0) {
RTC_LOG(LS_ERROR) << "Failed to query stereo recording.";
}
if (adm->SetStereoRecording(available) != 0) {
RTC_LOG(LS_ERROR) << "Failed to set stereo recording mode.";
}
}
}
} // namespace adm_helpers
} // namespace webrtc
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