jellyfin-server/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
2017-07-15 16:19:58 -04:00

176 lines
6.7 KiB
C#

using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.LiveTv;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.MediaInfo;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Model.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.IO;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.System;
namespace Emby.Server.Implementations.LiveTv.TunerHosts
{
public class M3UTunerHost : BaseTunerHost, ITunerHost, IConfigurableTunerHost
{
private readonly IHttpClient _httpClient;
private readonly IServerApplicationHost _appHost;
private readonly IEnvironmentInfo _environment;
public M3UTunerHost(IServerConfigurationManager config, ILogger logger, IJsonSerializer jsonSerializer, IMediaEncoder mediaEncoder, IFileSystem fileSystem, IHttpClient httpClient, IServerApplicationHost appHost, IEnvironmentInfo environment) : base(config, logger, jsonSerializer, mediaEncoder, fileSystem)
{
_httpClient = httpClient;
_appHost = appHost;
_environment = environment;
}
public override string Type
{
get { return "m3u"; }
}
public string Name
{
get { return "M3U Tuner"; }
}
protected override async Task<List<ChannelInfo>> GetChannelsInternal(TunerHostInfo info, CancellationToken cancellationToken)
{
var result = await new M3uParser(Logger, FileSystem, _httpClient, _appHost).Parse(info.Url, ChannelIdPrefix, info.Id, !info.EnableTvgId, cancellationToken).ConfigureAwait(false);
return result.Cast<ChannelInfo>().ToList();
}
public Task<List<LiveTvTunerInfo>> GetTunerInfos(CancellationToken cancellationToken)
{
var list = GetTunerHosts()
.Select(i => new LiveTvTunerInfo()
{
Name = Name,
SourceType = Type,
Status = LiveTvTunerStatus.Available,
Id = i.Url.GetMD5().ToString("N"),
Url = i.Url
})
.ToList();
return Task.FromResult(list);
}
protected override async Task<LiveStream> GetChannelStream(TunerHostInfo info, string channelId, string streamId, CancellationToken cancellationToken)
{
var sources = await GetChannelStreamMediaSources(info, channelId, cancellationToken).ConfigureAwait(false);
var liveStream = new LiveStream(sources.First(), _environment, FileSystem);
return liveStream;
}
public async Task Validate(TunerHostInfo info)
{
using (var stream = await new M3uParser(Logger, FileSystem, _httpClient, _appHost).GetListingsStream(info.Url, CancellationToken.None).ConfigureAwait(false))
{
}
}
protected override async Task<List<MediaSourceInfo>> GetChannelStreamMediaSources(TunerHostInfo info, string channelId, CancellationToken cancellationToken)
{
var urlHash = info.Url.GetMD5().ToString("N");
var prefix = ChannelIdPrefix + urlHash;
if (!channelId.StartsWith(prefix, StringComparison.OrdinalIgnoreCase))
{
return null;
}
var channels = await GetChannels(info, true, cancellationToken).ConfigureAwait(false);
var m3uchannels = channels.Cast<M3UChannel>();
var channel = m3uchannels.FirstOrDefault(c => string.Equals(c.Id, channelId, StringComparison.OrdinalIgnoreCase));
if (channel != null)
{
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;
}
var mediaSource = new MediaSourceInfo
{
Path = channel.Path,
Protocol = protocol,
MediaStreams = new List<MediaStream>
{
new MediaStream
{
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
},
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
}
},
RequiresOpening = true,
RequiresClosing = true,
RequiresLooping = info.EnableStreamLooping,
ReadAtNativeFramerate = false,
Id = channel.Path.GetMD5().ToString("N"),
IsInfiniteStream = true,
IsRemote = true,
IgnoreDts = true
};
mediaSource.InferTotalBitrate();
return new List<MediaSourceInfo> { mediaSource };
}
return new List<MediaSourceInfo>();
}
protected override Task<bool> IsAvailableInternal(TunerHostInfo tuner, string channelId, CancellationToken cancellationToken)
{
return Task.FromResult(true);
}
public Task<List<TunerHostInfo>> DiscoverDevices(int discoveryDurationMs, CancellationToken cancellationToken)
{
return Task.FromResult(new List<TunerHostInfo>());
}
}
}