132 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			Protocol Buffer
		
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			Protocol Buffer
		
	
	
	
/*
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 * Copyright (C) 2015 The Android Open Source Project
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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syntax = 'proto2';
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package com.android.tv.tuner.data;
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import "track.proto";
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option java_package = "com.android.tv.tuner.data";
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option java_outer_classname = "Channel";
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// Holds information about a channel used in the tuners.
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message TunerChannelProto {
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  optional TunerType type = 1;
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  optional string short_name = 2;
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  optional string long_name = 3;
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  optional int32 frequency = 4;
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  optional string modulation = 5;
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  optional string filepath = 6;
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  optional int32 program_number = 7;
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  optional int32 virtual_major = 8;
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  optional int32 virtual_minor = 9;
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  optional int64 channel_id = 10;
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  optional string description = 11;
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  optional int32 tsid = 12;
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  optional int32 video_pid = 13;
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  optional VideoStreamType video_stream_type = 14;
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  optional int32 pcr_pid = 15;
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  repeated AtscAudioTrack audio_tracks = 16;
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  repeated int32 audio_pids = 17;
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  repeated AudioStreamType audio_stream_types = 18;
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  optional int32 audio_track_index = 19;
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  repeated AtscCaptionTrack caption_tracks = 20;
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  optional bool has_caption_track = 21;
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  optional AtscServiceType service_type = 22
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      [default = SERVICE_TYPE_ATSC_DIGITAL_TELEVISION];
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  optional bool recording_prohibited = 23;
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  optional string video_format = 24;
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  /**
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   * The flag indicating whether this TV channel is locked or not.
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   * This is primarily used for alternative parental control to prevent
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   * unauthorized users from watching the current channel regardless of the
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   * content rating
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   * @see <a
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   * href="https://developer.android.com/reference/android/media/tv/TvContract.Channels.html#COLUMN_LOCKED">link</a>
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   */
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  optional bool locked = 25;
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  optional DeliverySystemType delivery_system_type = 26;
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}
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// Enum describing the types of tuner.
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enum TunerType {
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  TYPE_TUNER = 0;
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  TYPE_FILE = 1;
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  TYPE_NETWORK = 2;
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}
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// Enum describing the types of video stream.
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enum VideoStreamType {
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  // Default unset value.  The spec says 0 is reserved.
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  UNSET = 0x00;
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  // DEPRECATED: previously used as default or unset value
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  INVALID_STREAMTYPE = -1 [deprecated=true];
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  // ISO/IEC 11172 Video (MPEG-1)
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  MPEG1 = 0x01;
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  // ISO/IEC 13818-2 (MPEG-2) Video
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  MPEG2 = 0x02;
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  // ISO/IEC 14496-2 (MPEG-4 H.263 based)
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  H263 = 0x10;
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  // ISO/IE 14496-10 (H.264 video)
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  H264 = 0x01b;
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  // ISO/IE 23008-2 (H.265 video)
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  H265 = 0x024;
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}
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// Enum describing the types of audio stream.
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enum AudioStreamType {
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  // ISO/IEC 11172 Audio (MPEG-1)
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  MPEG1AUDIO = 0x03;
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  // ISO/IEC 13818-3 Audio (MPEG-2)
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  MPEG2AUDIO = 0x04;
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  // ISO/IEC 13818-7 Audio with ADTS transport syntax
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  MPEG2AACAUDIO = 0x0f;
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  // ISO/IEC 14496-3 (MPEG-4 LOAS multi-format framed audio)
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  MPEG4LATMAACAUDIO = 0x11;
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  // Dolby Digital Audio (ATSC)
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  A52AC3AUDIO = 0x81;
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  // Dolby Digital Plus Audio (ATSC)ISO/IEC 14496-2Video (MPEG-1)
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  EAC3AUDIO = 0x87;
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}
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// Enum describing ATSC service types
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// See ATSC Code Points Registry.
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enum AtscServiceType {
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  SERVICE_TYPE_ATSC_RESERVED = 0x0;
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  SERVICE_TYPE_ANALOG_TELEVISION_CHANNELS = 0x1;
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  SERVICE_TYPE_ATSC_DIGITAL_TELEVISION = 0x2;
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  SERVICE_TYPE_ATSC_AUDIO = 0x3;
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  SERVICE_TYPE_ATSC_DATA_ONLY_SERVICE = 0x4;
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  SERVICE_TYPE_SOFTWARE_DOWNLOAD = 0x5;
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  SERVICE_TYPE_UNASSOCIATED_SMALL_SCREEN_SERVICE = 0x6;
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  SERVICE_TYPE_PARAMETERIZED_SERVICE = 0x7;
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  SERVICE_TYPE_ATSC_NRT_SERVICE = 0x8;
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  SERVICE_TYPE_EXTENDED_PARAMERTERIZED_SERVICE = 0x9;
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}
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// Enum describing the types of delivery system.
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enum DeliverySystemType {
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  // Do not reorder. Must match Tuner.java
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  DELIVERY_SYSTEM_UNDEFINED = 0;
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  DELIVERY_SYSTEM_ATSC = 1;
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  DELIVERY_SYSTEM_DVBC = 2;
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  DELIVERY_SYSTEM_DVBS = 3;
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  DELIVERY_SYSTEM_DVBS2 = 4;
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  DELIVERY_SYSTEM_DVBT = 5;
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  DELIVERY_SYSTEM_DVBT2 = 6;
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}
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