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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
syntax = 'proto2';
package com.android.tv.tuner.data;
option java_package = "com.android.tv.tuner.data";
option java_outer_classname = "Channel";
import "track.proto";
// Holds information about a channel used in the tuners.
message TunerChannelProto {
optional TunerType type = 1;
optional string short_name = 2;
optional string long_name = 3;
optional int32 frequency = 4;
optional string modulation = 5;
optional string filepath = 6;
optional int32 program_number = 7;
optional int32 virtual_major = 8;
optional int32 virtual_minor = 9;
optional int64 channel_id = 10;
optional string description = 11;
optional int32 tsid = 12;
optional int32 video_pid = 13;
optional VideoStreamType video_stream_type = 14;
optional int32 pcr_pid = 15;
repeated AtscAudioTrack audio_tracks = 16;
repeated int32 audio_pids = 17;
repeated AudioStreamType audio_stream_types = 18;
optional int32 audio_track_index = 19;
repeated AtscCaptionTrack caption_tracks = 20;
optional bool has_caption_track = 21;
optional AtscServiceType service_type = 22 [default = SERVICE_TYPE_ATSC_DIGITAL_TELEVISION];
optional bool recording_prohibited = 23;
optional string video_format = 24;
/**
* The flag indicating whether this TV channel is locked or not.
* This is primarily used for alternative parental control to prevent unauthorized users from
* watching the current channel regardless of the content rating
* @see <a href="https://developer.android.com/reference/android/media/tv/TvContract.Channels.html#COLUMN_LOCKED">link</a>
*/
optional bool locked = 25;
}
// Enum describing the types of tuner.
enum TunerType {
TYPE_TUNER = 0;
TYPE_FILE = 1;
TYPE_NETWORK = 2;
}
// Enum describing the types of video stream.
enum VideoStreamType {
// ISO/IEC 11172 Video (MPEG-1)
MPEG1 = 0x01;
// ISO/IEC 13818-2 (MPEG-2) Video
MPEG2 = 0x02;
// ISO/IEC 14496-2 (MPEG-4 H.263 based)
H263 = 0x10;
// ISO/IE 14496-10 (H.264 video)
H264 = 0x01b;
// ISO/IE 23008-2 (H.265 video)
H265 = 0x024;
}
// Enum describing the types of audio stream.
enum AudioStreamType {
// ISO/IEC 11172 Audio (MPEG-1)
MPEG1AUDIO = 0x03;
// ISO/IEC 13818-3 Audio (MPEG-2)
MPEG2AUDIO = 0x04;
// ISO/IEC 13818-7 Audio with ADTS transport syntax
MPEG2AACAUDIO = 0x0f;
// ISO/IEC 14496-3 (MPEG-4 LOAS multi-format framed audio)
MPEG4LATMAACAUDIO = 0x11;
// Dolby Digital Audio (ATSC)
A52AC3AUDIO = 0x81;
// Dolby Digital Plus Audio (ATSC)ISO/IEC 14496-2Video (MPEG-1)
EAC3AUDIO = 0x87;
}
// Enum describing ATSC service types
// See ATSC Code Points Registry.
enum AtscServiceType {
SERVICE_TYPE_ATSC_RESERVED = 0x0;
SERVICE_TYPE_ANALOG_TELEVISION_CHANNELS = 0x1;
SERVICE_TYPE_ATSC_DIGITAL_TELEVISION = 0x2;
SERVICE_TYPE_ATSC_AUDIO = 0x3;
SERVICE_TYPE_ATSC_DATA_ONLY_SERVICE = 0x4;
SERVICE_TYPE_SOFTWARE_DOWNLOAD = 0x5;
SERVICE_TYPE_UNASSOCIATED_SMALL_SCREEN_SERVICE = 0x6;
SERVICE_TYPE_PARAMETERIZED_SERVICE = 0x7;
SERVICE_TYPE_ATSC_NRT_SERVICE = 0x8;
SERVICE_TYPE_EXTENDED_PARAMERTERIZED_SERVICE = 0x9;
}
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