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 = "Channel";
21
22import "track.proto";
23
24// Holds information about a channel used in the tuners.
25message TunerChannelProto {
26  optional TunerType type = 1;
27  optional string short_name = 2;
28  optional string long_name = 3;
29  optional int32 frequency = 4;
30  optional string modulation = 5;
31  optional string filepath = 6;
32  optional int32 program_number = 7;
33  optional int32 virtual_major = 8;
34  optional int32 virtual_minor = 9;
35  optional int64 channel_id = 10;
36  optional string description = 11;
37  optional int32 tsid = 12;
38  optional int32 video_pid = 13;
39  optional VideoStreamType video_stream_type = 14;
40  optional int32 pcr_pid = 15;
41  repeated AtscAudioTrack audio_tracks = 16;
42  repeated int32 audio_pids = 17;
43  repeated AudioStreamType audio_stream_types = 18;
44  optional int32 audio_track_index = 19;
45  repeated AtscCaptionTrack caption_tracks = 20;
46  optional bool has_caption_track = 21;
47  optional AtscServiceType service_type = 22 [default = SERVICE_TYPE_ATSC_DIGITAL_TELEVISION];
48}
49
50// Enum describing the types of tuner.
51enum TunerType {
52  TYPE_TUNER = 0;
53  TYPE_FILE = 1;
54}
55
56// Enum describing the types of video stream.
57enum VideoStreamType {
58  // ISO/IEC 11172 Video (MPEG-1)
59  MPEG1 = 0x01;
60  // ISO/IEC 13818-2 (MPEG-2) Video
61  MPEG2 = 0x02;
62  // ISO/IEC 14496-2 (MPEG-4 H.263 based)
63  H263 = 0x10;
64  // ISO/IE 14496-10 (H.264 video)
65  H264 = 0x01b;
66  // ISO/IE 23008-2 (H.265 video)
67  H265 = 0x024;
68}
69
70// Enum describing the types of audio stream.
71enum AudioStreamType {
72  // ISO/IEC 11172 Audio (MPEG-1)
73  MPEG1AUDIO = 0x03;
74  // ISO/IEC 13818-3 Audio (MPEG-2)
75  MPEG2AUDIO = 0x04;
76  // ISO/IEC 13818-7 Audio with ADTS transport syntax
77  MPEG2AACAUDIO = 0x0f;
78  // ISO/IEC 14496-3 (MPEG-4 LOAS multi-format framed audio)
79  MPEG4LATMAACAUDIO = 0x11;
80  // Dolby Digital Audio (ATSC)
81  A52AC3AUDIO = 0x81;
82  // Dolby Digital Plus Audio (ATSC)ISO/IEC 14496-2Video (MPEG-1)
83  EAC3AUDIO = 0x87;
84}
85
86// Enum describing ATSC service types
87// See ATSC Code Points Registry.
88enum AtscServiceType {
89  SERVICE_TYPE_ATSC_RESERVED = 0x0;
90  SERVICE_TYPE_ANALOG_TELEVISION_CHANNELS = 0x1;
91  SERVICE_TYPE_ATSC_DIGITAL_TELEVISION = 0x2;
92  SERVICE_TYPE_ATSC_AUDIO = 0x3;
93  SERVICE_TYPE_ATSC_DATA_ONLY_SERVICE = 0x4;
94  SERVICE_TYPE_SOFTWARE_DOWNLOAD = 0x5;
95  SERVICE_TYPE_UNASSOCIATED_SMALL_SCREEN_SERVICE = 0x6;
96  SERVICE_TYPE_PARAMETERIZED_SERVICE = 0x7;
97  SERVICE_TYPE_ATSC_NRT_SERVICE = 0x8;
98  SERVICE_TYPE_EXTENDED_PARAMERTERIZED_SERVICE = 0x9;
99}
100