| Index: webrtc/media/engine/adm_helpers.cc
|
| diff --git a/webrtc/media/engine/adm_helpers.cc b/webrtc/media/engine/adm_helpers.cc
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..d8409f0df83121f630de02b9a9887bc8e5c4aa7f
|
| --- /dev/null
|
| +++ b/webrtc/media/engine/adm_helpers.cc
|
| @@ -0,0 +1,128 @@
|
| +/*
|
| + * 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 "webrtc/media/engine/adm_helpers.h"
|
| +
|
| +#include "webrtc/base/logging.h"
|
| +#include "webrtc/modules/audio_device/include/audio_device.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 SetRecordingDevice(AudioDeviceModule* adm) {
|
| + RTC_DCHECK(adm);
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| +
|
| + // Save recording status and stop recording.
|
| + const bool was_recording = adm->Recording();
|
| + if (was_recording && adm->StopRecording() != 0) {
|
| + LOG(LS_ERROR) << "Unable to stop recording.";
|
| + return;
|
| + }
|
| +
|
| + // Set device and stereo mode.
|
| + if (adm->SetRecordingChannel(AudioDeviceModule::kChannelBoth) != 0) {
|
| + LOG(LS_ERROR) << "Unable to set recording channel to kChannelBoth.";
|
| + }
|
| + if (adm->SetRecordingDevice(AUDIO_DEVICE_ID) != 0) {
|
| + LOG(LS_ERROR) << "Unable to set recording device.";
|
| + return;
|
| + }
|
| +
|
| + // Init microphone, so user can do volume settings etc.
|
| + if (adm->InitMicrophone() != 0) {
|
| + LOG(LS_ERROR) << "Unable to access microphone.";
|
| + }
|
| +
|
| + // Set number of channels
|
| + bool available = false;
|
| + if (adm->StereoRecordingIsAvailable(&available) != 0) {
|
| + LOG(LS_ERROR) << "Failed to query stereo recording.";
|
| + }
|
| + if (adm->SetStereoRecording(available) != 0) {
|
| + LOG(LS_ERROR) << "Failed to set stereo recording mode.";
|
| + }
|
| +
|
| + // Restore recording if it was enabled already when calling this function.
|
| + if (was_recording) {
|
| + if (adm->InitRecording() != 0) {
|
| + LOG(LS_ERROR) << "Failed to initialize recording.";
|
| + return;
|
| + }
|
| + if (adm->StartRecording() != 0) {
|
| + LOG(LS_ERROR) << "Failed to start recording.";
|
| + return;
|
| + }
|
| + }
|
| +
|
| + LOG(LS_INFO) << "Set recording device.";
|
| +}
|
| +
|
| +void SetPlayoutDevice(AudioDeviceModule* adm) {
|
| + RTC_DCHECK(adm);
|
| +
|
| + // Save playing status and stop playout.
|
| + const bool was_playing = adm->Playing();
|
| + if (was_playing && adm->StopPlayout() != 0) {
|
| + LOG(LS_ERROR) << "Unable to stop playout.";
|
| + }
|
| +
|
| + // Set device.
|
| + if (adm->SetPlayoutDevice(AUDIO_DEVICE_ID) != 0) {
|
| + LOG(LS_ERROR) << "Unable to set playout device.";
|
| + return;
|
| + }
|
| +
|
| + // Init speaker, so user can do volume settings etc.
|
| + if (adm->InitSpeaker() != 0) {
|
| + LOG(LS_ERROR) << "Unable to access speaker.";
|
| + }
|
| +
|
| + // Set number of channels
|
| + bool available = false;
|
| + if (adm->StereoPlayoutIsAvailable(&available) != 0) {
|
| + LOG(LS_ERROR) << "Failed to query stereo playout.";
|
| + }
|
| + if (adm->SetStereoPlayout(available) != 0) {
|
| + LOG(LS_ERROR) << "Failed to set stereo playout mode.";
|
| + }
|
| +
|
| + // Restore recording if it was enabled already when calling this function.
|
| + if (was_playing) {
|
| + if (adm->InitPlayout() != 0) {
|
| + LOG(LS_ERROR) << "Failed to initialize playout.";
|
| + return;
|
| + }
|
| + if (adm->StartPlayout() != 0) {
|
| + LOG(LS_ERROR) << "Failed to start playout.";
|
| + return;
|
| + }
|
| + }
|
| +
|
| + LOG(LS_INFO) << "Set playout device.";
|
| +}
|
| +
|
| +} // namespace adm_helpers
|
| +} // namespace webrtc
|
|
|