1 /*
2  * Copyright (C) 2020 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 
17 package android.media;
18 
19 /**
20  * {@hide}
21  */
22 parcelable AudioGainConfig {
23     /** Index of the corresponding audio_gain in the audio_port gains[] table. */
24     int index;
25 
26     /** Mode requested for this command. Bitfield indexed by AudioGainMode. */
27     int mode;
28 
29     /**
30      * Channels which gain value follows. N/A in joint mode.
31      * Interpreted as audio_channel_mask_t.
32      */
33     int channelMask;
34 
35     /**
36      * Gain values in millibels.
37      * For each channel ordered from LSb to MSb in channel mask. The number of values is 1 in joint
38      * mode, otherwise equals the number of bits implied by channelMask.
39      */
40     int[]  values;
41 
42     /** Ramp duration in ms. */
43     int rampDurationMs;
44 }
45