jellyfin/MediaBrowser.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
2015-09-13 19:07:54 -04:00

199 lines
6.8 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.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.IO;
namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts
{
public class M3UTunerHost : BaseTunerHost, ITunerHost
{
private readonly IFileSystem _fileSystem;
public M3UTunerHost(IConfigurationManager config, ILogger logger, IFileSystem fileSystem)
: base(config, logger)
{
_fileSystem = fileSystem;
}
public override string Type
{
get { return "m3u"; }
}
public string Name
{
get { return "M3U Tuner"; }
}
private const string ChannelIdPrefix = "m3u_";
protected override async Task<IEnumerable<ChannelInfo>> GetChannelsInternal(TunerHostInfo info, CancellationToken cancellationToken)
{
var url = info.Url;
var urlHash = url.GetMD5().ToString("N");
string line;
// Read the file and display it line by line.
var file = new StreamReader(url);
var channels = new List<M3UChannel>();
string channnelName = null;
string channelNumber = null;
while ((line = file.ReadLine()) != null)
{
line = line.Trim();
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
if (line.StartsWith("#EXTM3U", StringComparison.OrdinalIgnoreCase))
{
continue;
}
if (line.StartsWith("#EXTINF:", StringComparison.OrdinalIgnoreCase))
{
var parts = line.Split(new[] { ':' }, 2).Last().Split(new[] { ',' }, 2);
channelNumber = parts[0];
channnelName = parts[1];
}
else if (!string.IsNullOrWhiteSpace(channelNumber))
{
channels.Add(new M3UChannel
{
Name = channnelName,
Number = channelNumber,
Id = ChannelIdPrefix + urlHash + channelNumber,
Path = line
});
channelNumber = null;
channnelName = null;
}
}
file.Close();
return channels;
}
public Task<List<LiveTvTunerInfo>> GetTunerInfos(CancellationToken cancellationToken)
{
var list = GetConfiguration().TunerHosts
.Where(i => i.IsEnabled && string.Equals(i.Type, Type, StringComparison.OrdinalIgnoreCase))
.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<MediaSourceInfo> GetChannelStream(TunerHostInfo info, string channelId, string streamId, CancellationToken cancellationToken)
{
var sources = await GetChannelStreamMediaSources(info, channelId, cancellationToken).ConfigureAwait(false);
return sources.First();
}
class M3UChannel : ChannelInfo
{
public string Path { get; set; }
public M3UChannel()
{
}
}
public async Task Validate(TunerHostInfo info)
{
if (!_fileSystem.FileExists(info.Url))
{
throw new FileNotFoundException();
}
}
protected override bool IsValidChannelId(string channelId)
{
return channelId.StartsWith(ChannelIdPrefix, StringComparison.OrdinalIgnoreCase);
}
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;
}
//channelId = channelId.Substring(prefix.Length);
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;
}
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 = false,
RequiresClosing = false
};
return new List<MediaSourceInfo> { mediaSource };
}
return new List<MediaSourceInfo> { };
}
}
}