1 files changed, 40 insertions, 0 deletions
diff --git a/chromium/media/audio/cras/cras_util.h b/chromium/media/audio/cras/cras_util.h
new file mode 100644
index 00000000000..99c791bc4d1
--- /dev/null
+++ b/chromium/media/audio/cras/cras_util.h
@@ -0,0 +1,40 @@
+// Copyright 2020 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.
+
+#ifndef MEDIA_AUDIO_CRAS_CRAS_UTIL_H_
+#define MEDIA_AUDIO_CRAS_CRAS_UTIL_H_
+
+#include <cras_client.h>
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace media {
+
+enum class DeviceType { kInput, kOutput };
+
+struct CrasDevice {
+  CrasDevice();
+  explicit CrasDevice(const cras_ionode_info* node,
+                      const cras_iodev_info* dev,
+                      DeviceType type);
+  DeviceType type;
+  uint64_t id;
+  std::string name;
+};
+
+// Enumerates all devices of |type|.
+std::vector<CrasDevice> CrasGetAudioDevices(DeviceType type);
+
+// Returns if system AEC is supported in CRAS.
+int CrasGetAecSupported();
+
+// Returns the system AEC group ID. If no group ID is specified, -1 is
+// returned.
+int CrasGetAecGroupId();
+
+}  // namespace media
+
+#endif  // MEDIA_AUDIO_CRAS_CRAS_UTIL_H_