starred/jellyfin-jellyfin-1
1
0
Fork 0
mirror of https://github.com/jellyfin/jellyfin.git synced 2025-12-26 18:54:48 +03:00
Code Issues Packages Projects Releases Wiki Activity

stub out process throttle

Browse Source
This commit is contained in:
Luke Pulverenti
2015-02-27 12:43:06 -05:00
parent 28ffeb5121
commit f0594dea77
10 changed files with 183 additions and 104 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs
View File

@@ -197,97 +197,6 @@ namespace MediaBrowser.Api.Playback.Progressive
}
}
private readonly long _gapLengthInTicks = TimeSpan.FromMinutes(3).Ticks;
private long ThrottleCallack(long currentBytesPerSecond, long bytesWritten, long originalBytesPerSecond, TranscodingJob job)
{
//var job = string.IsNullOrEmpty(request.TranscodingJobId) ?
//null :
//ApiEntryPoint.Instance.GetTranscodingJob(request.TranscodingJobId);
//var limits = new List<long>();
//if (state.InputBitrate.HasValue)
//{
// // Bytes per second
// limits.Add((state.InputBitrate.Value / 8));
//}
//if (state.InputFileSize.HasValue && state.RunTimeTicks.HasValue)
//{
// var totalSeconds = TimeSpan.FromTicks(state.RunTimeTicks.Value).TotalSeconds;
// if (totalSeconds > 1)
// {
// var timeBasedLimit = state.InputFileSize.Value / totalSeconds;
// limits.Add(Convert.ToInt64(timeBasedLimit));
// }
//}
//// Take the greater of the above to methods, just to be safe
//var throttleLimit = limits.Count > 0 ? limits.First() : 0;
//// Pad to play it safe
//var bytesPerSecond = Convert.ToInt64(1.05 * throttleLimit);
//// Don't even start evaluating this until at least two minutes have content have been consumed
//var targetGap = throttleLimit * 120;
var bytesDownloaded = job.BytesDownloaded ?? 0;
var transcodingPositionTicks = job.TranscodingPositionTicks ?? 0;
var downloadPositionTicks = job.DownloadPositionTicks ?? 0;
var path = job.Path;
if (bytesDownloaded > 0 && transcodingPositionTicks > 0)
{
// Progressive Streaming - byte-based consideration
try
{
var bytesTranscoded = job.BytesTranscoded ?? new FileInfo(path).Length;
// Estimate the bytes the transcoder should be ahead
double gapFactor = _gapLengthInTicks;
gapFactor /= transcodingPositionTicks;
var targetGap = bytesTranscoded * gapFactor;
var gap = bytesTranscoded - bytesDownloaded;
if (gap < targetGap)
{
//Logger.Debug("Not throttling transcoder gap {0} target gap {1} bytes downloaded {2}", gap, targetGap, bytesDownloaded);
return 0;
}
//Logger.Debug("Throttling transcoder gap {0} target gap {1} bytes downloaded {2}", gap, targetGap, bytesDownloaded);
}
catch
{
//Logger.Error("Error getting output size");
}
}
else if (downloadPositionTicks > 0 && transcodingPositionTicks > 0)
{
// HLS - time-based consideration
var targetGap = _gapLengthInTicks;
var gap = transcodingPositionTicks - downloadPositionTicks;
if (gap < targetGap)
{
//Logger.Debug("Not throttling transcoder gap {0} target gap {1}", gap, targetGap);
return 0;
}
//Logger.Debug("Throttling transcoder gap {0} target gap {1}", gap, targetGap);
}
else
{
//Logger.Debug("No throttle data for " + path);
}
return originalBytesPerSecond;
}
/// <summary>
/// Gets the static remote stream result.
/// </summary>