Moving device description utils from AudioManager[Base] into AudioDeviceDescription; to be shared b…

media/audio/audio_device_description.cc

Index: media/audio/audio_device_description.cc
diff --git a/media/audio/audio_device_description.cc b/media/audio/audio_device_description.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5e0c8e4e52e486057f8092f11a0a5d3d2c1e0593
--- /dev/null
+++ b/media/audio/audio_device_description.cc
@@ -0,0 +1,47 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/logging.h"
+#include "media/audio/audio_device_description.h"
+#include "media/base/media_resources.h"
+
+namespace media {
+const char AudioDeviceDescription::kDefaultDeviceId[] = "default";
+const char AudioDeviceDescription::kCommunicationsDeviceId[] = "communications";
+const char AudioDeviceDescription::kLoopbackInputDeviceId[] = "loopback";
+
+// static
+bool AudioDeviceDescription::IsDefaultDevice(const std::string& device_id) {
+  return device_id.empty() ||
+         device_id == AudioDeviceDescription::kDefaultDeviceId;
+}
+
+// static
+bool AudioDeviceDescription::UseSessionIdToSelectDevice(
+    int session_id,
+    const std::string& device_id) {
+  return session_id && device_id.empty();
+}
+
+// static
+std::string AudioDeviceDescription::GetDefaultDeviceName() {
+#if !defined(OS_IOS)
+  return GetLocalizedStringUTF8(DEFAULT_AUDIO_DEVICE_NAME);
+#else
+  NOTREACHED();
+  return "";
+#endif
+}
+
+// static
+std::string AudioDeviceDescription::GetCommunicationsDeviceName() {
+#if defined(OS_WIN)
+  return GetLocalizedStringUTF8(COMMUNICATIONS_AUDIO_DEVICE_NAME);
+#else
+  NOTREACHED();
+  return "";
+#endif
+}
+
+}  // namespace media