636 lines
24 KiB
C#
636 lines
24 KiB
C#
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.LiveTv;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.LiveTv;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.Serialization;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Net;
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namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
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{
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public class HdHomerunHost : BaseTunerHost, ITunerHost, IConfigurableTunerHost
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{
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private readonly IHttpClient _httpClient;
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private readonly IFileSystem _fileSystem;
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private readonly IServerApplicationHost _appHost;
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private readonly ISocketFactory _socketFactory;
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private readonly INetworkManager _networkManager;
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public HdHomerunHost(IServerConfigurationManager config, ILogger logger, IJsonSerializer jsonSerializer, IMediaEncoder mediaEncoder, IHttpClient httpClient, IFileSystem fileSystem, IServerApplicationHost appHost, ISocketFactory socketFactory, INetworkManager networkManager)
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: base(config, logger, jsonSerializer, mediaEncoder)
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{
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_httpClient = httpClient;
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_fileSystem = fileSystem;
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_appHost = appHost;
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_socketFactory = socketFactory;
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_networkManager = networkManager;
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}
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public string Name
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{
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get { return "HD Homerun"; }
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}
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public override string Type
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{
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get { return DeviceType; }
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}
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public static string DeviceType
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{
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get { return "hdhomerun"; }
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}
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protected override string ChannelIdPrefix
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{
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get
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{
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return "hdhr_";
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}
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}
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private string GetChannelId(TunerHostInfo info, Channels i)
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{
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var id = ChannelIdPrefix + i.GuideNumber;
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id += '_' + (i.GuideName ?? string.Empty).GetMD5().ToString("N");
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return id;
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}
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private async Task<List<Channels>> GetLineup(TunerHostInfo info, CancellationToken cancellationToken)
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{
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var model = await GetModelInfo(info, false, cancellationToken).ConfigureAwait(false);
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var options = new HttpRequestOptions
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{
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Url = model.LineupURL,
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CancellationToken = cancellationToken,
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BufferContent = false
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};
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using (var stream = await _httpClient.Get(options).ConfigureAwait(false))
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{
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var lineup = JsonSerializer.DeserializeFromStream<List<Channels>>(stream) ?? new List<Channels>();
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if (info.ImportFavoritesOnly)
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{
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lineup = lineup.Where(i => i.Favorite).ToList();
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}
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return lineup.Where(i => !i.DRM).ToList();
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}
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}
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private class HdHomerunChannelInfo : ChannelInfo
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{
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public bool IsLegacyTuner { get; set; }
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public string Url { get; set; }
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}
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protected override async Task<List<ChannelInfo>> GetChannelsInternal(TunerHostInfo info, CancellationToken cancellationToken)
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{
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var lineup = await GetLineup(info, cancellationToken).ConfigureAwait(false);
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return lineup.Select(i => new HdHomerunChannelInfo
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{
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Name = i.GuideName,
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Number = i.GuideNumber,
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Id = GetChannelId(info, i),
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IsFavorite = i.Favorite,
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TunerHostId = info.Id,
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IsHD = i.HD == 1,
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AudioCodec = i.AudioCodec,
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VideoCodec = i.VideoCodec,
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ChannelType = ChannelType.TV,
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IsLegacyTuner = (i.URL ?? string.Empty).StartsWith("hdhomerun", StringComparison.OrdinalIgnoreCase),
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Url = i.URL
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}).Cast<ChannelInfo>().ToList();
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}
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private readonly Dictionary<string, DiscoverResponse> _modelCache = new Dictionary<string, DiscoverResponse>();
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private async Task<DiscoverResponse> GetModelInfo(TunerHostInfo info, bool throwAllExceptions, CancellationToken cancellationToken)
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{
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lock (_modelCache)
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{
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DiscoverResponse response;
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if (_modelCache.TryGetValue(info.Url, out response))
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{
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if ((DateTime.UtcNow - response.DateQueried).TotalHours <= 12)
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{
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return response;
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}
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}
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}
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try
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{
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using (var stream = await _httpClient.Get(new HttpRequestOptions()
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{
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Url = string.Format("{0}/discover.json", GetApiUrl(info, false)),
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CancellationToken = cancellationToken,
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TimeoutMs = Convert.ToInt32(TimeSpan.FromSeconds(5).TotalMilliseconds),
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BufferContent = false
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}).ConfigureAwait(false))
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{
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var response = JsonSerializer.DeserializeFromStream<DiscoverResponse>(stream);
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if (!string.IsNullOrWhiteSpace(info.Id))
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{
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lock (_modelCache)
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{
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_modelCache[info.Id] = response;
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}
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}
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return response;
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}
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}
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catch (HttpException ex)
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{
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if (!throwAllExceptions && ex.StatusCode.HasValue && ex.StatusCode.Value == System.Net.HttpStatusCode.NotFound)
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{
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var defaultValue = "HDHR";
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var response = new DiscoverResponse
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{
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ModelNumber = defaultValue
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};
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if (!string.IsNullOrWhiteSpace(info.Id))
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{
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// HDHR4 doesn't have this api
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lock (_modelCache)
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{
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_modelCache[info.Id] = response;
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}
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}
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return response;
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}
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throw;
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}
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}
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private async Task<List<LiveTvTunerInfo>> GetTunerInfos(TunerHostInfo info, CancellationToken cancellationToken)
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{
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var model = await GetModelInfo(info, false, cancellationToken).ConfigureAwait(false);
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var tuners = new List<LiveTvTunerInfo>();
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var uri = new Uri(GetApiUrl(info, false));
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using (var manager = new HdHomerunManager(_socketFactory))
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{
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// Legacy HdHomeruns are IPv4 only
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var ipInfo = _networkManager.ParseIpAddress(uri.Host);
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for (int i = 0; i < model.TunerCount; ++i)
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{
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var name = String.Format("Tuner {0}", i + 1);
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var currentChannel = "none"; /// @todo Get current channel and map back to Station Id
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var isAvailable = await manager.CheckTunerAvailability(ipInfo, i, cancellationToken).ConfigureAwait(false);
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LiveTvTunerStatus status = isAvailable ? LiveTvTunerStatus.Available : LiveTvTunerStatus.LiveTv;
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tuners.Add(new LiveTvTunerInfo
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{
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Name = name,
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SourceType = string.IsNullOrWhiteSpace(model.ModelNumber) ? Name : model.ModelNumber,
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ProgramName = currentChannel,
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Status = status
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});
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}
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}
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return tuners;
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}
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public async Task<List<LiveTvTunerInfo>> GetTunerInfos(CancellationToken cancellationToken)
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{
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var list = new List<LiveTvTunerInfo>();
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foreach (var host in GetConfiguration().TunerHosts
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.Where(i => string.Equals(i.Type, Type, StringComparison.OrdinalIgnoreCase)))
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{
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try
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{
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list.AddRange(await GetTunerInfos(host, cancellationToken).ConfigureAwait(false));
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error getting tuner info", ex);
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}
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}
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return list;
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}
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private string GetApiUrl(TunerHostInfo info, bool isPlayback)
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{
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var url = info.Url;
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if (string.IsNullOrWhiteSpace(url))
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{
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throw new ArgumentException("Invalid tuner info");
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}
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if (!url.StartsWith("http", StringComparison.OrdinalIgnoreCase))
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{
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url = "http://" + url;
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}
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var uri = new Uri(url);
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if (isPlayback)
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{
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var builder = new UriBuilder(uri);
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builder.Port = 5004;
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uri = builder.Uri;
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}
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return uri.AbsoluteUri.TrimEnd('/');
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}
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private class Channels
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{
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public string GuideNumber { get; set; }
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public string GuideName { get; set; }
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public string VideoCodec { get; set; }
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public string AudioCodec { get; set; }
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public string URL { get; set; }
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public bool Favorite { get; set; }
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public bool DRM { get; set; }
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public int HD { get; set; }
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}
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protected EncodingOptions GetEncodingOptions()
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{
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return Config.GetConfiguration<EncodingOptions>("encoding");
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}
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private string GetHdHrIdFromChannelId(string channelId)
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{
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return channelId.Split('_')[1];
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}
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private MediaSourceInfo GetMediaSource(TunerHostInfo info, string channelId, ChannelInfo channelInfo, string profile)
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{
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int? width = null;
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int? height = null;
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bool isInterlaced = true;
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string videoCodec = null;
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string audioCodec = null;
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int? videoBitrate = null;
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int? audioBitrate = null;
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if (string.Equals(profile, "mobile", StringComparison.OrdinalIgnoreCase))
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{
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width = 1280;
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height = 720;
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isInterlaced = false;
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videoCodec = "h264";
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videoBitrate = 2000000;
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}
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else if (string.Equals(profile, "heavy", StringComparison.OrdinalIgnoreCase))
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{
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width = 1920;
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height = 1080;
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isInterlaced = false;
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videoCodec = "h264";
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videoBitrate = 15000000;
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}
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else if (string.Equals(profile, "internet540", StringComparison.OrdinalIgnoreCase))
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{
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width = 960;
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height = 546;
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isInterlaced = false;
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videoCodec = "h264";
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videoBitrate = 2500000;
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}
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else if (string.Equals(profile, "internet480", StringComparison.OrdinalIgnoreCase))
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{
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width = 848;
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height = 480;
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isInterlaced = false;
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videoCodec = "h264";
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videoBitrate = 2000000;
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}
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else if (string.Equals(profile, "internet360", StringComparison.OrdinalIgnoreCase))
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{
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width = 640;
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height = 360;
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isInterlaced = false;
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videoCodec = "h264";
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videoBitrate = 1500000;
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}
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else if (string.Equals(profile, "internet240", StringComparison.OrdinalIgnoreCase))
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{
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width = 432;
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height = 240;
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isInterlaced = false;
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videoCodec = "h264";
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videoBitrate = 1000000;
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}
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if (channelInfo != null)
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{
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if (string.IsNullOrWhiteSpace(videoCodec))
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{
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videoCodec = channelInfo.VideoCodec;
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}
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audioCodec = channelInfo.AudioCodec;
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if (!videoBitrate.HasValue)
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{
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videoBitrate = (channelInfo.IsHD ?? true) ? 15000000 : 2000000;
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}
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audioBitrate = (channelInfo.IsHD ?? true) ? 448000 : 192000;
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}
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// normalize
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if (string.Equals(videoCodec, "mpeg2", StringComparison.OrdinalIgnoreCase))
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{
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videoCodec = "mpeg2video";
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}
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string nal = null;
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if (string.Equals(videoCodec, "h264", StringComparison.OrdinalIgnoreCase))
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{
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nal = "0";
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}
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var url = GetApiUrl(info, false);
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var id = profile;
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if (string.IsNullOrWhiteSpace(id))
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{
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id = "native";
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}
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id += "_" + url.GetMD5().ToString("N");
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var mediaSource = new MediaSourceInfo
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{
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Path = url,
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Protocol = MediaProtocol.Udp,
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MediaStreams = new List<MediaStream>
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{
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new MediaStream
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{
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Type = MediaStreamType.Video,
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// Set the index to -1 because we don't know the exact index of the video stream within the container
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Index = -1,
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IsInterlaced = isInterlaced,
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Codec = videoCodec,
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Width = width,
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Height = height,
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BitRate = videoBitrate,
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NalLengthSize = nal
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},
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new MediaStream
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{
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Type = MediaStreamType.Audio,
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// Set the index to -1 because we don't know the exact index of the audio stream within the container
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Index = -1,
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Codec = audioCodec,
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BitRate = audioBitrate
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}
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},
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RequiresOpening = true,
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RequiresClosing = true,
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BufferMs = 0,
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Container = "ts",
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Id = id,
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SupportsDirectPlay = false,
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SupportsDirectStream = true,
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SupportsTranscoding = true,
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IsInfiniteStream = true
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};
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mediaSource.InferTotalBitrate();
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return mediaSource;
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}
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protected override async Task<List<MediaSourceInfo>> GetChannelStreamMediaSources(TunerHostInfo info, string channelId, CancellationToken cancellationToken)
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{
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var list = new List<MediaSourceInfo>();
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if (!channelId.StartsWith(ChannelIdPrefix, StringComparison.OrdinalIgnoreCase))
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{
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return list;
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}
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var hdhrId = GetHdHrIdFromChannelId(channelId);
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var channels = await GetChannels(info, true, CancellationToken.None).ConfigureAwait(false);
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var channelInfo = channels.FirstOrDefault(i => string.Equals(i.Id, channelId, StringComparison.OrdinalIgnoreCase));
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var hdHomerunChannelInfo = channelInfo as HdHomerunChannelInfo;
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var isLegacyTuner = hdHomerunChannelInfo != null && hdHomerunChannelInfo.IsLegacyTuner;
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if (isLegacyTuner)
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{
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list.Add(GetMediaSource(info, hdhrId, channelInfo, "native"));
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}
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else
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{
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try
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{
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var modelInfo = await GetModelInfo(info, false, cancellationToken).ConfigureAwait(false);
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var model = modelInfo == null ? string.Empty : (modelInfo.ModelNumber ?? string.Empty);
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if ((model.IndexOf("hdtc", StringComparison.OrdinalIgnoreCase) != -1))
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{
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list.Add(GetMediaSource(info, hdhrId, channelInfo, "native"));
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if (info.AllowHWTranscoding)
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{
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list.Add(GetMediaSource(info, hdhrId, channelInfo, "heavy"));
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list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet540"));
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list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet480"));
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list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet360"));
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list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet240"));
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list.Add(GetMediaSource(info, hdhrId, channelInfo, "mobile"));
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}
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}
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}
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catch
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{
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}
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if (list.Count == 0)
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{
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list.Add(GetMediaSource(info, hdhrId, channelInfo, "native"));
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}
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}
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return list;
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}
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protected override async Task<LiveStream> GetChannelStream(TunerHostInfo info, string channelId, string streamId, CancellationToken cancellationToken)
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{
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var profile = streamId.Split('_')[0];
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Logger.Info("GetChannelStream: channel id: {0}. stream id: {1} profile: {2}", channelId, streamId, profile);
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var hdhrId = GetHdHrIdFromChannelId(channelId);
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var channels = await GetChannels(info, true, CancellationToken.None).ConfigureAwait(false);
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var channelInfo = channels.FirstOrDefault(i => string.Equals(i.Id, channelId, StringComparison.OrdinalIgnoreCase));
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var hdhomerunChannel = channelInfo as HdHomerunChannelInfo;
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var mediaSource = GetMediaSource(info, hdhrId, channelInfo, profile);
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var modelInfo = await GetModelInfo(info, false, cancellationToken).ConfigureAwait(false);
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if (hdhomerunChannel != null && hdhomerunChannel.IsLegacyTuner)
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{
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return new HdHomerunUdpStream(mediaSource, streamId, new LegacyHdHomerunChannelCommands(hdhomerunChannel.Url), modelInfo.TunerCount, _fileSystem, _httpClient, Logger, Config.ApplicationPaths, _appHost, _socketFactory, _networkManager);
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}
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else
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{
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//return new HdHomerunHttpStream(mediaSource, streamId, _fileSystem, _httpClient, Logger, Config.ApplicationPaths, _appHost);
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return new HdHomerunUdpStream(mediaSource, streamId, new HdHomerunChannelCommands(hdhomerunChannel.Number), modelInfo.TunerCount, _fileSystem, _httpClient, Logger, Config.ApplicationPaths, _appHost, _socketFactory, _networkManager);
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}
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}
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public async Task Validate(TunerHostInfo info)
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{
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lock (_modelCache)
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{
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_modelCache.Clear();
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}
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try
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{
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// Test it by pulling down the lineup
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var modelInfo = await GetModelInfo(info, true, CancellationToken.None).ConfigureAwait(false);
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info.DeviceId = modelInfo.DeviceID;
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}
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catch (HttpException ex)
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{
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if (ex.StatusCode.HasValue && ex.StatusCode.Value == System.Net.HttpStatusCode.NotFound)
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{
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// HDHR4 doesn't have this api
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return;
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}
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throw;
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}
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}
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protected override async Task<bool> IsAvailableInternal(TunerHostInfo tuner, string channelId, CancellationToken cancellationToken)
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{
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var info = await GetTunerInfos(tuner, cancellationToken).ConfigureAwait(false);
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return info.Any(i => i.Status == LiveTvTunerStatus.Available);
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}
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|
|
|
public class DiscoverResponse
|
|
{
|
|
public string FriendlyName { get; set; }
|
|
public string ModelNumber { get; set; }
|
|
public string FirmwareName { get; set; }
|
|
public string FirmwareVersion { get; set; }
|
|
public string DeviceID { get; set; }
|
|
public string DeviceAuth { get; set; }
|
|
public string BaseURL { get; set; }
|
|
public string LineupURL { get; set; }
|
|
public int TunerCount { get; set; }
|
|
|
|
public DateTime DateQueried { get; set; }
|
|
|
|
public DiscoverResponse()
|
|
{
|
|
DateQueried = DateTime.UtcNow;
|
|
}
|
|
}
|
|
|
|
public async Task<List<TunerHostInfo>> DiscoverDevices(int discoveryDurationMs, CancellationToken cancellationToken)
|
|
{
|
|
cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(new CancellationTokenSource(discoveryDurationMs).Token, cancellationToken).Token;
|
|
var list = new List<TunerHostInfo>();
|
|
|
|
// Create udp broadcast discovery message
|
|
byte[] discBytes = { 0, 2, 0, 12, 1, 4, 255, 255, 255, 255, 2, 4, 255, 255, 255, 255, 115, 204, 125, 143 };
|
|
using (var udpClient = _socketFactory.CreateUdpBroadcastSocket(0))
|
|
{
|
|
// Need a way to set the Receive timeout on the socket otherwise this might never timeout?
|
|
try
|
|
{
|
|
await udpClient.SendAsync(discBytes, discBytes.Length, new IpEndPointInfo(new IpAddressInfo("255.255.255.255", IpAddressFamily.InterNetwork), 65001), cancellationToken);
|
|
while (!cancellationToken.IsCancellationRequested)
|
|
{
|
|
var response = await udpClient.ReceiveAsync(cancellationToken).ConfigureAwait(false);
|
|
var deviceIp = response.RemoteEndPoint.IpAddress.Address;
|
|
|
|
// check to make sure we have enough bytes received to be a valid message and make sure the 2nd byte is the discover reply byte
|
|
if (response.ReceivedBytes > 13 && response.Buffer[1] == 3)
|
|
{
|
|
var deviceAddress = "http://" + deviceIp;
|
|
|
|
var info = await TryGetTunerHostInfo(deviceAddress, cancellationToken).ConfigureAwait(false);
|
|
|
|
if (info != null)
|
|
{
|
|
list.Add(info);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
}
|
|
catch
|
|
{
|
|
// Socket timeout indicates all messages have been received.
|
|
}
|
|
}
|
|
|
|
return list;
|
|
}
|
|
|
|
private async Task<TunerHostInfo> TryGetTunerHostInfo(string url, CancellationToken cancellationToken)
|
|
{
|
|
var hostInfo = new TunerHostInfo
|
|
{
|
|
Type = Type,
|
|
Url = url
|
|
};
|
|
|
|
try
|
|
{
|
|
var modelInfo = await GetModelInfo(hostInfo, false, cancellationToken).ConfigureAwait(false);
|
|
|
|
hostInfo.DeviceId = modelInfo.DeviceID;
|
|
hostInfo.FriendlyName = modelInfo.FriendlyName;
|
|
|
|
return hostInfo;
|
|
}
|
|
catch
|
|
{
|
|
// logged at lower levels
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}
|
|
}
|