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 |
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+++ b/webrtc/media/engine/adm_helpers.cc |
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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 "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); |
+ |
+ // 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 |