diff options
Diffstat (limited to 'MediaBrowser.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs')
| -rw-r--r-- | MediaBrowser.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs | 221 |
1 files changed, 40 insertions, 181 deletions
diff --git a/MediaBrowser.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs b/MediaBrowser.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs index 9bb5b4fd7..0fe74798f 100644 --- a/MediaBrowser.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs +++ b/MediaBrowser.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs @@ -6,9 +6,11 @@ using MediaBrowser.Model.Logging; using System; using System.Collections.Concurrent; using System.Collections.Generic; +using System.IO; using System.Linq; using System.Threading; using System.Threading.Tasks; +using MediaBrowser.Controller.Configuration; using MediaBrowser.Controller.MediaEncoding; using MediaBrowser.Model.Dlna; using MediaBrowser.Model.Serialization; @@ -17,7 +19,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts { public abstract class BaseTunerHost { - protected readonly IConfigurationManager Config; + protected readonly IServerConfigurationManager Config; protected readonly ILogger Logger; protected IJsonSerializer JsonSerializer; protected readonly IMediaEncoder MediaEncoder; @@ -25,7 +27,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts private readonly ConcurrentDictionary<string, ChannelCache> _channelCache = new ConcurrentDictionary<string, ChannelCache>(StringComparer.OrdinalIgnoreCase); - protected BaseTunerHost(IConfigurationManager config, ILogger logger, IJsonSerializer jsonSerializer, IMediaEncoder mediaEncoder) + protected BaseTunerHost(IServerConfigurationManager config, ILogger logger, IJsonSerializer jsonSerializer, IMediaEncoder mediaEncoder) { Config = config; Logger = logger; @@ -71,7 +73,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts .ToList(); } - public async Task<IEnumerable<ChannelInfo>> GetChannels(CancellationToken cancellationToken) + public async Task<IEnumerable<ChannelInfo>> GetChannels(bool enableCache, CancellationToken cancellationToken) { var list = new List<ChannelInfo>(); @@ -81,7 +83,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts { try { - var channels = await GetChannels(host, true, cancellationToken).ConfigureAwait(false); + var channels = await GetChannels(host, enableCache, cancellationToken).ConfigureAwait(false); var newChannels = channels.Where(i => !list.Any(l => string.Equals(i.Id, l.Id, StringComparison.OrdinalIgnoreCase))).ToList(); list.AddRange(newChannels); @@ -124,12 +126,6 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts foreach (var host in hostsWithChannel) { - var resourcePool = GetLock(host.Url); - Logger.Debug("GetChannelStreamMediaSources - Waiting on tuner resource pool"); - - await resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false); - Logger.Debug("GetChannelStreamMediaSources - Unlocked resource pool"); - try { // Check to make sure the tuner is available @@ -155,89 +151,63 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts { Logger.Error("Error opening tuner", ex); } - finally - { - resourcePool.Release(); - } } } return new List<MediaSourceInfo>(); } - protected abstract Task<MediaSourceInfo> GetChannelStream(TunerHostInfo tuner, string channelId, string streamId, CancellationToken cancellationToken); + protected abstract Task<LiveStream> GetChannelStream(TunerHostInfo tuner, string channelId, string streamId, CancellationToken cancellationToken); - public async Task<Tuple<MediaSourceInfo, SemaphoreSlim>> GetChannelStream(string channelId, string streamId, CancellationToken cancellationToken) + public async Task<LiveStream> GetChannelStream(string channelId, string streamId, CancellationToken cancellationToken) { - if (IsValidChannelId(channelId)) + if (!IsValidChannelId(channelId)) { - var hosts = GetTunerHosts(); - - var hostsWithChannel = new List<TunerHostInfo>(); + throw new FileNotFoundException(); + } - foreach (var host in hosts) - { - if (string.IsNullOrWhiteSpace(streamId)) - { - try - { - var channels = await GetChannels(host, true, cancellationToken).ConfigureAwait(false); + var hosts = GetTunerHosts(); - if (channels.Any(i => string.Equals(i.Id, channelId, StringComparison.OrdinalIgnoreCase))) - { - hostsWithChannel.Add(host); - } - } - catch (Exception ex) - { - Logger.Error("Error getting channels", ex); - } - } - else if (streamId.StartsWith(host.Id, StringComparison.OrdinalIgnoreCase)) - { - hostsWithChannel = new List<TunerHostInfo> { host }; - streamId = streamId.Substring(host.Id.Length); - break; - } - } + var hostsWithChannel = new List<TunerHostInfo>(); - foreach (var host in hostsWithChannel) + foreach (var host in hosts) + { + if (string.IsNullOrWhiteSpace(streamId)) { - var resourcePool = GetLock(host.Url); - Logger.Debug("GetChannelStream - Waiting on tuner resource pool"); - await resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false); - Logger.Debug("GetChannelStream - Unlocked resource pool"); try { - // Check to make sure the tuner is available - // If there's only one tuner, don't bother with the check and just let the tuner be the one to throw an error - // If a streamId is specified then availibility has already been checked in GetChannelStreamMediaSources - if (string.IsNullOrWhiteSpace(streamId) && hostsWithChannel.Count > 1) - { - if (!await IsAvailable(host, channelId, cancellationToken).ConfigureAwait(false)) - { - Logger.Error("Tuner is not currently available"); - resourcePool.Release(); - continue; - } - } - - var stream = await GetChannelStream(host, channelId, streamId, cancellationToken).ConfigureAwait(false); + var channels = await GetChannels(host, true, cancellationToken).ConfigureAwait(false); - if (EnableMediaProbing) + if (channels.Any(i => string.Equals(i.Id, channelId, StringComparison.OrdinalIgnoreCase))) { - await AddMediaInfo(stream, false, resourcePool, cancellationToken).ConfigureAwait(false); + hostsWithChannel.Add(host); } - - return new Tuple<MediaSourceInfo, SemaphoreSlim>(stream, resourcePool); } catch (Exception ex) { - Logger.Error("Error opening tuner", ex); - - resourcePool.Release(); + Logger.Error("Error getting channels", ex); } } + else if (streamId.StartsWith(host.Id, StringComparison.OrdinalIgnoreCase)) + { + hostsWithChannel = new List<TunerHostInfo> { host }; + streamId = streamId.Substring(host.Id.Length); + break; + } + } + + foreach (var host in hostsWithChannel) + { + try + { + var liveStream = await GetChannelStream(host, channelId, streamId, cancellationToken).ConfigureAwait(false); + await liveStream.Open(cancellationToken).ConfigureAwait(false); + return liveStream; + } + catch (Exception ex) + { + Logger.Error("Error opening tuner", ex); + } } throw new LiveTvConflictException(); @@ -263,117 +233,6 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts protected abstract Task<bool> IsAvailableInternal(TunerHostInfo tuner, string channelId, CancellationToken cancellationToken); - /// <summary> - /// The _semaphoreLocks - /// </summary> - private readonly ConcurrentDictionary<string, SemaphoreSlim> _semaphoreLocks = new ConcurrentDictionary<string, SemaphoreSlim>(StringComparer.OrdinalIgnoreCase); - /// <summary> - /// Gets the lock. - /// </summary> - /// <param name="url">The filename.</param> - /// <returns>System.Object.</returns> - private SemaphoreSlim GetLock(string url) - { - return _semaphoreLocks.GetOrAdd(url, key => new SemaphoreSlim(1, 1)); - } - - private async Task AddMediaInfo(MediaSourceInfo mediaSource, bool isAudio, SemaphoreSlim resourcePool, CancellationToken cancellationToken) - { - await resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false); - - try - { - await AddMediaInfoInternal(mediaSource, isAudio, cancellationToken).ConfigureAwait(false); - - // Leave the resource locked. it will be released upstream - } - catch (Exception) - { - // Release the resource if there's some kind of failure. - resourcePool.Release(); - - throw; - } - } - - private async Task AddMediaInfoInternal(MediaSourceInfo mediaSource, bool isAudio, CancellationToken cancellationToken) - { - var originalRuntime = mediaSource.RunTimeTicks; - - var info = await MediaEncoder.GetMediaInfo(new MediaInfoRequest - { - InputPath = mediaSource.Path, - Protocol = mediaSource.Protocol, - MediaType = isAudio ? DlnaProfileType.Audio : DlnaProfileType.Video, - ExtractChapters = false - - }, cancellationToken).ConfigureAwait(false); - - mediaSource.Bitrate = info.Bitrate; - mediaSource.Container = info.Container; - mediaSource.Formats = info.Formats; - mediaSource.MediaStreams = info.MediaStreams; - mediaSource.RunTimeTicks = info.RunTimeTicks; - mediaSource.Size = info.Size; - mediaSource.Timestamp = info.Timestamp; - mediaSource.Video3DFormat = info.Video3DFormat; - mediaSource.VideoType = info.VideoType; - - mediaSource.DefaultSubtitleStreamIndex = null; - - // Null this out so that it will be treated like a live stream - if (!originalRuntime.HasValue) - { - mediaSource.RunTimeTicks = null; - } - - var audioStream = mediaSource.MediaStreams.FirstOrDefault(i => i.Type == Model.Entities.MediaStreamType.Audio); - - if (audioStream == null || audioStream.Index == -1) - { - mediaSource.DefaultAudioStreamIndex = null; - } - else - { - mediaSource.DefaultAudioStreamIndex = audioStream.Index; - } - - var videoStream = mediaSource.MediaStreams.FirstOrDefault(i => i.Type == Model.Entities.MediaStreamType.Video); - if (videoStream != null) - { - if (!videoStream.BitRate.HasValue) - { - var width = videoStream.Width ?? 1920; - - if (width >= 1900) - { - videoStream.BitRate = 8000000; - } - - else if (width >= 1260) - { - videoStream.BitRate = 3000000; - } - - else if (width >= 700) - { - videoStream.BitRate = 1000000; - } - } - } - - // Try to estimate this - if (!mediaSource.Bitrate.HasValue) - { - var total = mediaSource.MediaStreams.Select(i => i.BitRate ?? 0).Sum(); - - if (total > 0) - { - mediaSource.Bitrate = total; - } - } - } - protected abstract bool IsValidChannelId(string channelId); protected LiveTvOptions GetConfiguration() |