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using MediaBrowser.Controller;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Extensions;
using MediaBrowser.Common.Configuration;
namespace Emby.Server.Implementations.LiveTv
{
public class LiveTvMediaSourceProvider : IMediaSourceProvider
{
private readonly ILiveTvManager _liveTvManager;
private readonly IJsonSerializer _jsonSerializer;
private readonly ILogger _logger;
private readonly IMediaSourceManager _mediaSourceManager;
private readonly IMediaEncoder _mediaEncoder;
private readonly IServerApplicationHost _appHost;
private IApplicationPaths _appPaths;
public LiveTvMediaSourceProvider(ILiveTvManager liveTvManager, IApplicationPaths appPaths, IJsonSerializer jsonSerializer, ILogManager logManager, IMediaSourceManager mediaSourceManager, IMediaEncoder mediaEncoder, IServerApplicationHost appHost)
{
_liveTvManager = liveTvManager;
_jsonSerializer = jsonSerializer;
_mediaSourceManager = mediaSourceManager;
_mediaEncoder = mediaEncoder;
_appHost = appHost;
_logger = logManager.GetLogger(GetType().Name);
_appPaths = appPaths;
}
public Task<IEnumerable<MediaSourceInfo>> GetMediaSources(BaseItem item, CancellationToken cancellationToken)
{
var baseItem = (BaseItem)item;
if (baseItem.SourceType == SourceType.LiveTV)
{
var activeRecordingInfo = _liveTvManager.GetActiveRecordingInfo(item.Path);
if (string.IsNullOrEmpty(baseItem.Path) || activeRecordingInfo != null)
{
return GetMediaSourcesInternal(item, activeRecordingInfo, cancellationToken);
}
}
return Task.FromResult<IEnumerable<MediaSourceInfo>>(Array.Empty<MediaSourceInfo>());
}
// Do not use a pipe here because Roku http requests to the server will fail, without any explicit error message.
private const char StreamIdDelimeter = '_';
private const string StreamIdDelimeterString = "_";
private async Task<IEnumerable<MediaSourceInfo>> GetMediaSourcesInternal(BaseItem item, ActiveRecordingInfo activeRecordingInfo, CancellationToken cancellationToken)
{
IEnumerable<MediaSourceInfo> sources;
var forceRequireOpening = false;
try
{
if (activeRecordingInfo != null)
{
sources = await EmbyTV.EmbyTV.Current.GetRecordingStreamMediaSources(activeRecordingInfo, cancellationToken)
.ConfigureAwait(false);
}
else
{
sources = await _liveTvManager.GetChannelMediaSources(item, cancellationToken)
.ConfigureAwait(false);
}
}
catch (NotImplementedException)
{
sources = _mediaSourceManager.GetStaticMediaSources(item, false);
forceRequireOpening = true;
}
var list = sources.ToList();
var serverUrl = await _appHost.GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
foreach (var source in list)
{
source.Type = MediaSourceType.Default;
source.BufferMs = source.BufferMs ?? 1500;
if (source.RequiresOpening || forceRequireOpening)
{
source.RequiresOpening = true;
}
if (source.RequiresOpening)
{
var openKeys = new List<string>();
openKeys.Add(item.GetType().Name);
openKeys.Add(item.Id.ToString("N"));
openKeys.Add(source.Id ?? string.Empty);
source.OpenToken = string.Join(StreamIdDelimeterString, openKeys.ToArray(openKeys.Count));
}
// Dummy this up so that direct play checks can still run
if (string.IsNullOrEmpty(source.Path) && source.Protocol == MediaProtocol.Http)
{
source.Path = serverUrl;
}
}
_logger.Debug("MediaSources: {0}", _jsonSerializer.SerializeToString(list));
return list;
}
public async Task<ILiveStream> OpenMediaSource(string openToken, List<ILiveStream> currentLiveStreams, CancellationToken cancellationToken)
{
var keys = openToken.Split(new[] { StreamIdDelimeter }, 3);
var mediaSourceId = keys.Length >= 3 ? keys[2] : null;
var info = await _liveTvManager.GetChannelStream(keys[1], mediaSourceId, currentLiveStreams, cancellationToken).ConfigureAwait(false);
var liveStream = info.Item2;
return liveStream;
}
}
}
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