media/mojo/interfaces/audio_input_stream.mojom

// Copyright 2017 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.

module media.mojom;

import "media/mojo/interfaces/audio_parameters.mojom";
import "media/mojo/interfaces/media_types.mojom";

// An interface for controlling an audio input stream.
// On error, the message pipe is closed.
// To close the stream, just close the message pipe.
interface AudioInputStream {
  // Starts recording audio.
  Record();

  // Sets volume. Volume must be in the range [0, 1].
  SetVolume(double volume);
};

// An interface for receiving notifications of state changes of an
// AudioInputStream.
interface AudioInputStreamClient {
  OnError();
  OnMutedStateChanged(bool is_muted);
};