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410 lines
15 KiB
410 lines
15 KiB
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.Globalization;
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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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namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts.HdHomerun
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{
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public class HdHomerunHost : BaseTunerHost, ITunerHost
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{
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private readonly IHttpClient _httpClient;
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private readonly IJsonSerializer _jsonSerializer;
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public HdHomerunHost(IConfigurationManager config, ILogger logger, IHttpClient httpClient, IJsonSerializer jsonSerializer)
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: base(config, logger)
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{
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_httpClient = httpClient;
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_jsonSerializer = jsonSerializer;
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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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private const string ChannelIdPrefix = "hdhr_";
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protected override async Task<IEnumerable<ChannelInfo>> GetChannelsInternal(TunerHostInfo info, CancellationToken cancellationToken)
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{
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var options = new HttpRequestOptions
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{
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Url = string.Format("{0}/lineup.json", GetApiUrl(info, false)),
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CancellationToken = cancellationToken
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};
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using (var stream = await _httpClient.Get(options))
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{
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var root = _jsonSerializer.DeserializeFromStream<List<Channels>>(stream);
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if (root != null)
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{
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var result = root.Select(i => new ChannelInfo
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{
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Name = i.GuideName,
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Number = i.GuideNumber.ToString(CultureInfo.InvariantCulture),
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Id = ChannelIdPrefix + i.GuideNumber.ToString(CultureInfo.InvariantCulture),
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IsFavorite = i.Favorite
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});
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if (info.ImportFavoritesOnly)
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{
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result = result.Where(i => (i.IsFavorite ?? true)).ToList();
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}
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return result;
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}
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return new List<ChannelInfo>();
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}
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}
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private async Task<string> GetModelInfo(TunerHostInfo info, CancellationToken cancellationToken)
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{
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string model = null;
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using (var stream = await _httpClient.Get(new HttpRequestOptions()
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{
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Url = string.Format("{0}/", GetApiUrl(info, false)),
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CancellationToken = cancellationToken,
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CacheLength = TimeSpan.FromDays(1),
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CacheMode = CacheMode.Unconditional
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}))
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{
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using (var sr = new StreamReader(stream, System.Text.Encoding.UTF8))
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{
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while (!sr.EndOfStream)
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{
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string line = StripXML(sr.ReadLine());
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if (line.StartsWith("Model:")) { model = line.Replace("Model: ", ""); }
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//if (line.StartsWith("Device ID:")) { deviceID = line.Replace("Device ID: ", ""); }
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//if (line.StartsWith("Firmware:")) { firmware = line.Replace("Firmware: ", ""); }
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}
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}
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}
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return null;
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}
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public async Task<List<LiveTvTunerInfo>> GetTunerInfos(TunerHostInfo info, CancellationToken cancellationToken)
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{
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var model = await GetModelInfo(info, cancellationToken).ConfigureAwait(false);
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using (var stream = await _httpClient.Get(new HttpRequestOptions()
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{
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Url = string.Format("{0}/tuners.html", GetApiUrl(info, false)),
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CancellationToken = cancellationToken
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}))
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{
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var tuners = new List<LiveTvTunerInfo>();
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using (var sr = new StreamReader(stream, System.Text.Encoding.UTF8))
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{
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while (!sr.EndOfStream)
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{
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string line = StripXML(sr.ReadLine());
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if (line.Contains("Channel"))
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{
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LiveTvTunerStatus status;
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var index = line.IndexOf("Channel", StringComparison.OrdinalIgnoreCase);
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var name = line.Substring(0, index - 1);
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var currentChannel = line.Substring(index + 7);
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if (currentChannel != "none") { status = LiveTvTunerStatus.LiveTv; } else { status = LiveTvTunerStatus.Available; }
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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) ? Name : model,
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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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}
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return tuners;
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}
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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 => i.IsEnabled && 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 static string StripXML(string source)
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{
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char[] buffer = new char[source.Length];
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int bufferIndex = 0;
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bool inside = false;
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for (int i = 0; i < source.Length; i++)
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{
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char let = source[i];
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if (let == '<')
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{
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inside = true;
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continue;
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}
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if (let == '>')
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{
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inside = false;
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continue;
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}
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if (!inside)
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{
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buffer[bufferIndex] = let;
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bufferIndex++;
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}
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}
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return new string(buffer, 0, bufferIndex);
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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 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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}
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private MediaSourceInfo GetMediaSource(TunerHostInfo info, string channelId, 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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var videoCodec = "mpeg2video";
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int? videoBitrate = 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 = 8000000;
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}
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else if (string.Equals(profile, "internet720", 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 = 5000000;
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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 = 1280;
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height = 720;
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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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var url = GetApiUrl(info, true) + "/auto/v" + channelId;
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if (!string.IsNullOrWhiteSpace(profile) && !string.Equals(profile, "native", StringComparison.OrdinalIgnoreCase))
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{
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url += "?transcode=" + profile;
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}
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var mediaSource = new MediaSourceInfo
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{
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Path = url,
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Protocol = MediaProtocol.Http,
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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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},
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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 = "ac3",
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BitRate = 128000
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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 = 1000,
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Container = "ts",
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Id = profile,
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SupportsDirectPlay = true,
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SupportsDirectStream = false,
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SupportsTranscoding = true
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};
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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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channelId = channelId.Substring(ChannelIdPrefix.Length);
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list.Add(GetMediaSource(info, channelId, "native"));
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try
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{
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string model = await GetModelInfo(info, cancellationToken).ConfigureAwait(false);
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model = model ?? string.Empty;
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if (model.IndexOf("hdtc", StringComparison.OrdinalIgnoreCase) != -1)
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{
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list.Insert(0, GetMediaSource(info, channelId, "heavy"));
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list.Add(GetMediaSource(info, channelId, "internet480"));
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list.Add(GetMediaSource(info, channelId, "internet360"));
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list.Add(GetMediaSource(info, channelId, "internet240"));
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list.Add(GetMediaSource(info, channelId, "mobile"));
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}
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}
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catch (Exception ex)
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{
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}
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return list;
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}
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protected override bool IsValidChannelId(string channelId)
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{
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return channelId.StartsWith(ChannelIdPrefix, StringComparison.OrdinalIgnoreCase);
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}
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protected override async Task<MediaSourceInfo> GetChannelStream(TunerHostInfo info, string channelId, string streamId, CancellationToken cancellationToken)
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{
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Logger.Debug("GetChannelStream: channel id: {0}. stream id: {1}", channelId, streamId ?? string.Empty);
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if (!channelId.StartsWith(ChannelIdPrefix, StringComparison.OrdinalIgnoreCase))
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{
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return null;
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}
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channelId = channelId.Substring(ChannelIdPrefix.Length);
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return GetMediaSource(info, channelId, streamId);
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}
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public async Task Validate(TunerHostInfo info)
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{
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if (info.IsEnabled)
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{
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await GetChannels(info, false, CancellationToken.None).ConfigureAwait(false);
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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 || string.Equals(i.ChannelId, channelId, StringComparison.OrdinalIgnoreCase));
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}
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}
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}
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