1/*
2 * Copyright (C) 2015 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 com.android.tv.tuner.data;
18
19option java_package = "com.android.tv.tuner.data";
20option java_outer_classname = "Track";
21
22// Represents a AC3 audio track.
23message AtscAudioTrack {
24  optional string language = 1;
25  optional AudioType audio_type = 2;
26  optional int32 index = 3;
27  optional int32 channel_count = 4;
28  optional int32 sample_rate = 5;
29
30  // Enum describing the types of a audio track.
31  // See ISO/IEC 138181-1:2000(e) Table 2-53.
32  enum AudioType {
33    AUDIOTYPE_UNDEFINED = 0;
34    AUDIOTYPE_CLEAN_EFFECTS = 1;
35    AUDIOTYPE_HEARING_IMPAIRED = 2;
36    AUDIOTYPE_VISUAL_IMPAIRED = 3;
37  }
38}
39
40// Represents a CEA-708 caption track.
41message AtscCaptionTrack {
42  optional string language = 1;
43  optional int32 service_number = 2;
44  optional bool easy_reader = 3;
45  optional bool wide_aspect_ratio = 4;
46}
47
48