1/*
2 * Copyright 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.media;
18
19import android.media.MicrophoneInfo;
20
21/* Native code must specify namespace media (media::IAudioRecord) when referring to this class */
22interface IAudioRecord {
23
24  /* After it's created the track is not active. Call start() to
25   * make it active.
26   */
27  void start(int /*AudioSystem::sync_event_t*/ event,
28             int /*audio_session_t*/ triggerSession);
29
30  /* Stop a track. If set, the callback will cease being called and
31   * obtainBuffer will return an error. Buffers that are already released
32   * will be processed, unless flush() is called.
33   */
34  void stop();
35
36  /* Get a list of current active microphones.
37   */
38  void getActiveMicrophones(out MicrophoneInfo[] activeMicrophones);
39}
40