jellyfin/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs

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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.LiveTv;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.MediaInfo;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Common.Net;
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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.Serialization;
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using MediaBrowser.Model.System;
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namespace Emby.Server.Implementations.LiveTv.TunerHosts
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{
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public class M3UTunerHost : BaseTunerHost, ITunerHost, IConfigurableTunerHost
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{
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private readonly IHttpClient _httpClient;
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private readonly IServerApplicationHost _appHost;
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private readonly IEnvironmentInfo _environment;
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private readonly INetworkManager _networkManager;
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public M3UTunerHost(IServerConfigurationManager config, ILogger logger, IJsonSerializer jsonSerializer, IMediaEncoder mediaEncoder, IFileSystem fileSystem, IHttpClient httpClient, IServerApplicationHost appHost, IEnvironmentInfo environment, INetworkManager networkManager) : base(config, logger, jsonSerializer, mediaEncoder, fileSystem)
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{
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_httpClient = httpClient;
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_appHost = appHost;
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_environment = environment;
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_networkManager = networkManager;
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}
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public override string Type
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{
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get { return "m3u"; }
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}
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public virtual string Name
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{
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get { return "M3U Tuner"; }
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}
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private string GetFullChannelIdPrefix(TunerHostInfo info)
{
return ChannelIdPrefix + info.Url.GetMD5().ToString("N");
}
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protected override async Task<List<ChannelInfo>> GetChannelsInternal(TunerHostInfo info, CancellationToken cancellationToken)
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{
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var channelIdPrefix = GetFullChannelIdPrefix(info);
var result = await new M3uParser(Logger, FileSystem, _httpClient, _appHost).Parse(info.Url, channelIdPrefix, info.Id, cancellationToken).ConfigureAwait(false);
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return result.Cast<ChannelInfo>().ToList();
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}
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public Task<List<LiveTvTunerInfo>> GetTunerInfos(CancellationToken cancellationToken)
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{
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var list = GetTunerHosts()
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.Select(i => new LiveTvTunerInfo()
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{
Name = Name,
SourceType = Type,
Status = LiveTvTunerStatus.Available,
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Id = i.Url.GetMD5().ToString("N"),
Url = i.Url
})
.ToList();
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return Task.FromResult(list);
}
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protected override async Task<LiveStream> GetChannelStream(TunerHostInfo info, string channelId, string streamId, CancellationToken cancellationToken)
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{
var sources = await GetChannelStreamMediaSources(info, channelId, cancellationToken).ConfigureAwait(false);
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var liveStream = new LiveStream(sources.First(), _environment, FileSystem);
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return liveStream;
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}
public async Task Validate(TunerHostInfo info)
{
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using (var stream = await new M3uParser(Logger, FileSystem, _httpClient, _appHost).GetListingsStream(info.Url, CancellationToken.None).ConfigureAwait(false))
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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 channelIdPrefix = GetFullChannelIdPrefix(info);
if (!channelId.StartsWith(channelIdPrefix, StringComparison.OrdinalIgnoreCase))
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{
return null;
}
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var channels = await GetChannels(info, true, cancellationToken).ConfigureAwait(false);
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var channel = channels.FirstOrDefault(c => string.Equals(c.Id, channelId, StringComparison.OrdinalIgnoreCase));
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if (channel != null)
{
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return new List<MediaSourceInfo> { CreateMediaSourceInfo(info, channel) };
}
return new List<MediaSourceInfo>();
}
protected virtual MediaSourceInfo CreateMediaSourceInfo(TunerHostInfo info, ChannelInfo channel)
{
var path = channel.Path;
MediaProtocol protocol = MediaProtocol.File;
if (path.StartsWith("http", StringComparison.OrdinalIgnoreCase))
{
protocol = MediaProtocol.Http;
}
else if (path.StartsWith("rtmp", StringComparison.OrdinalIgnoreCase))
{
protocol = MediaProtocol.Rtmp;
}
else if (path.StartsWith("rtsp", StringComparison.OrdinalIgnoreCase))
{
protocol = MediaProtocol.Rtsp;
}
else if (path.StartsWith("udp", StringComparison.OrdinalIgnoreCase))
{
protocol = MediaProtocol.Udp;
}
else if (path.StartsWith("rtp", StringComparison.OrdinalIgnoreCase))
{
protocol = MediaProtocol.Rtmp;
}
Uri uri;
var isRemote = true;
if (Uri.TryCreate(path, UriKind.Absolute, out uri))
{
isRemote = !_networkManager.IsInLocalNetwork(uri.Host);
}
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var mediaSource = new MediaSourceInfo
{
Path = path,
Protocol = protocol,
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,
// Set the index to -1 because we don't know the exact index of the video stream within the container
Index = -1,
IsInterlaced = true
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},
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new MediaStream
{
Type = MediaStreamType.Audio,
// Set the index to -1 because we don't know the exact index of the audio stream within the container
Index = -1
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}
},
RequiresOpening = true,
RequiresClosing = true,
RequiresLooping = info.EnableStreamLooping,
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EnableMpDecimate = info.EnableMpDecimate,
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ReadAtNativeFramerate = false,
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Id = channel.Path.GetMD5().ToString("N"),
IsInfiniteStream = true,
IsRemote = isRemote,
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IgnoreDts = true
};
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mediaSource.InferTotalBitrate();
return mediaSource;
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}
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protected override Task<bool> IsAvailableInternal(TunerHostInfo tuner, string channelId, CancellationToken cancellationToken)
{
return Task.FromResult(true);
}
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public Task<List<TunerHostInfo>> DiscoverDevices(int discoveryDurationMs, CancellationToken cancellationToken)
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{
return Task.FromResult(new List<TunerHostInfo>());
}
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}
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}