chromium/src/third_party/blink/public/mojom/media/renderer_audio_output_stream_factory.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 blink.mojom;

import "media/mojo/mojom/audio_output_stream.mojom";
import "media/mojo/mojom/audio_parameters.mojom";
import "media/mojo/mojom/media_types.mojom";
import "mojo/public/mojom/base/unguessable_token.mojom";

// This interface is used to create output streams. The client supplies a
// mojo receiver for a stream provider, and then supplies the desired audio
// parameters to that to create the stream.
interface RendererAudioOutputStreamFactory {
  // Used to request a device. If successful, |stream_provider_receiver| will be
  // bound to an AudioOutputStreamProvider implementation, otherwise it will
  // simply be discarded (won't be bound). If |session_id| is provided, it will
  // be taken into account together with |device_id| in the selection of the
  // audio output device to request. If not provided, only |device_id| will be
  // taken into account in the selection of the audio output device.
  RequestDeviceAuthorization(
      pending_receiver<media.mojom.AudioOutputStreamProvider>
          stream_provider_receiver,
      mojo_base.mojom.UnguessableToken? session_id,
      string device_id) =>
      (media.mojom.OutputDeviceStatus state,
       media.mojom.AudioParameters output_params,
       string matched_device_id);
};