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using System;
using System.IO;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Net;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Api.Playback
{
public class StreamState : EncodingJobInfo, IDisposable
{
private readonly ILogger _logger;
private readonly IMediaSourceManager _mediaSourceManager;
public string RequestedUrl { get; set; }
public StreamRequest Request
{
get => (StreamRequest)BaseRequest;
set
{
BaseRequest = value;
IsVideoRequest = VideoRequest != null;
}
}
public TranscodingThrottler TranscodingThrottler { get; set; }
public VideoStreamRequest VideoRequest => Request as VideoStreamRequest;
/// <summary>
/// Gets or sets the log file stream.
/// </summary>
/// <value>The log file stream.</value>
public Stream LogFileStream { get; set; }
public IDirectStreamProvider DirectStreamProvider { get; set; }
public string WaitForPath { get; set; }
public bool IsOutputVideo => Request is VideoStreamRequest;
public int SegmentLength
{
get
{
if (Request.SegmentLength.HasValue)
{
return Request.SegmentLength.Value;
}
if (string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
{
var userAgent = UserAgent ?? string.Empty;
if (userAgent.IndexOf("AppleTV", StringComparison.OrdinalIgnoreCase) != -1 ||
userAgent.IndexOf("cfnetwork", StringComparison.OrdinalIgnoreCase) != -1 ||
userAgent.IndexOf("ipad", StringComparison.OrdinalIgnoreCase) != -1 ||
userAgent.IndexOf("iphone", StringComparison.OrdinalIgnoreCase) != -1 ||
userAgent.IndexOf("ipod", StringComparison.OrdinalIgnoreCase) != -1)
{
if (IsSegmentedLiveStream)
{
return 6;
}
return 6;
}
if (IsSegmentedLiveStream)
{
return 3;
}
return 6;
}
return 3;
}
}
public int MinSegments
{
get
{
if (Request.MinSegments.HasValue)
{
return Request.MinSegments.Value;
}
return SegmentLength >= 10 ? 2 : 3;
}
}
public string UserAgent { get; set; }
public StreamState(IMediaSourceManager mediaSourceManager, ILogger logger, TranscodingJobType transcodingType)
: base(transcodingType)
{
_mediaSourceManager = mediaSourceManager;
_logger = logger;
}
public bool EstimateContentLength { get; set; }
public TranscodeSeekInfo TranscodeSeekInfo { get; set; }
public bool EnableDlnaHeaders { get; set; }
public override void Dispose()
{
DisposeTranscodingThrottler();
DisposeLogStream();
DisposeLiveStream();
TranscodingJob = null;
}
private void DisposeTranscodingThrottler()
{
if (TranscodingThrottler != null)
{
try
{
TranscodingThrottler.Dispose();
}
catch (Exception ex)
{
_logger.LogError(ex, "Error disposing TranscodingThrottler");
}
TranscodingThrottler = null;
}
}
private void DisposeLogStream()
{
if (LogFileStream != null)
{
try
{
LogFileStream.Dispose();
}
catch (Exception ex)
{
_logger.LogError(ex, "Error disposing log stream");
}
LogFileStream = null;
}
}
private async void DisposeLiveStream()
{
if (MediaSource.RequiresClosing && string.IsNullOrWhiteSpace(Request.LiveStreamId) && !string.IsNullOrWhiteSpace(MediaSource.LiveStreamId))
{
try
{
await _mediaSourceManager.CloseLiveStream(MediaSource.LiveStreamId).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error closing media source");
}
}
}
public DeviceProfile DeviceProfile { get; set; }
public TranscodingJob TranscodingJob;
public override void ReportTranscodingProgress(TimeSpan? transcodingPosition, float framerate, double? percentComplete, long bytesTranscoded, int? bitRate)
{
ApiEntryPoint.Instance.ReportTranscodingProgress(TranscodingJob, this, transcodingPosition, framerate, percentComplete, bytesTranscoded, bitRate);
}
}
}
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