2016-09-29 14:55:49 +02:00
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using System;
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2016-10-10 20:18:28 +02:00
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using System.Collections.Generic;
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2017-05-22 06:54:02 +02:00
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using System.IO;
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2016-09-29 14:55:49 +02:00
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using System.Threading;
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2016-09-25 20:39:13 +02:00
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using System.Threading.Tasks;
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using MediaBrowser.Model.Dto;
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2017-05-22 06:54:02 +02:00
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.System;
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2016-09-25 20:39:13 +02:00
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namespace MediaBrowser.Controller.LiveTv
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{
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public class LiveStream
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{
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public MediaSourceInfo OriginalMediaSource { get; set; }
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2016-09-29 14:55:49 +02:00
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public MediaSourceInfo OpenedMediaSource { get; set; }
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2017-05-22 06:54:02 +02:00
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public int ConsumerCount
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{
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2016-10-10 20:18:28 +02:00
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get { return SharedStreamIds.Count; }
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}
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2016-09-29 14:55:49 +02:00
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public ITunerHost TunerHost { get; set; }
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public string OriginalStreamId { get; set; }
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2016-09-30 08:50:06 +02:00
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public bool EnableStreamSharing { get; set; }
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2016-10-07 17:08:13 +02:00
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public string UniqueId = Guid.NewGuid().ToString("N");
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2016-09-25 20:39:13 +02:00
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2017-05-22 06:54:02 +02:00
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public List<string> SharedStreamIds = new List<string>();
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protected readonly IEnvironmentInfo Environment;
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protected readonly IFileSystem FileSystem;
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const int StreamCopyToBufferSize = 81920;
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2016-10-10 20:18:28 +02:00
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2017-05-22 06:54:02 +02:00
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public LiveStream(MediaSourceInfo mediaSource, IEnvironmentInfo environment, IFileSystem fileSystem)
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2016-09-25 20:39:13 +02:00
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{
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OriginalMediaSource = mediaSource;
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2017-05-22 06:54:02 +02:00
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Environment = environment;
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FileSystem = fileSystem;
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2016-09-29 14:55:49 +02:00
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OpenedMediaSource = mediaSource;
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2016-09-30 08:50:06 +02:00
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EnableStreamSharing = true;
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2016-09-25 20:39:13 +02:00
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}
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2016-10-10 20:18:28 +02:00
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public Task Open(CancellationToken cancellationToken)
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2016-09-29 14:55:49 +02:00
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{
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2016-10-10 20:18:28 +02:00
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return OpenInternal(cancellationToken);
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2016-09-29 14:55:49 +02:00
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}
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protected virtual Task OpenInternal(CancellationToken cancellationToken)
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2016-09-25 20:39:13 +02:00
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{
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return Task.FromResult(true);
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}
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public virtual Task Close()
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{
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return Task.FromResult(true);
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}
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2017-05-22 06:54:02 +02:00
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2017-09-10 05:47:33 +02:00
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protected Stream GetInputStream(string path, bool allowAsyncFileRead)
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{
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2017-06-01 06:51:43 +02:00
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var fileOpenOptions = FileOpenOptions.SequentialScan;
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2017-05-22 06:54:02 +02:00
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if (allowAsyncFileRead)
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{
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fileOpenOptions |= FileOpenOptions.Asynchronous;
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}
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return FileSystem.GetFileStream(path, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.ReadWrite, fileOpenOptions);
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}
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protected async Task DeleteTempFile(string path, int retryCount = 0)
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{
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try
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{
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FileSystem.DeleteFile(path);
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return;
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}
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catch
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{
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}
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if (retryCount > 20)
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{
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return;
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}
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await Task.Delay(500).ConfigureAwait(false);
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await DeleteTempFile(path, retryCount + 1).ConfigureAwait(false);
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}
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2016-09-25 20:39:13 +02:00
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}
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}
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