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This commit is contained in:
Luke Pulverenti
2015-02-28 08:42:47 -05:00
parent f0594dea77
commit 2bf2d5fd76
24 changed files with 732 additions and 210 deletions
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50
MediaBrowser.Api/Playback/TranscodingThrottler.cs
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@@ -13,11 +13,17 @@ namespace MediaBrowser.Api.Playback
public void Start()
{
_timer = new Timer(TimerCallback, null, 1000, 1000);
_timer = new Timer(TimerCallback, null, 5000, 5000);
}
private void TimerCallback(object state)
{
if (_job.HasExited)
{
DisposeTimer();
return;
}
if (IsThrottleAllowed(_job))
{
PauseTranscoding();
@@ -50,36 +56,6 @@ namespace MediaBrowser.Api.Playback
private bool IsThrottleAllowed(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;
@@ -95,11 +71,11 @@ namespace MediaBrowser.Api.Playback
if (gap < targetGap)
{
//Logger.Debug("Not throttling transcoder gap {0} target gap {1}", gap, targetGap);
//_logger.Debug("Not throttling transcoder gap {0} target gap {1}", gap, targetGap);
return false;
}
//Logger.Debug("Throttling transcoder gap {0} target gap {1}", gap, targetGap);
//_logger.Debug("Throttling transcoder gap {0} target gap {1}", gap, targetGap);
return true;
}
@@ -120,21 +96,21 @@ namespace MediaBrowser.Api.Playback
if (gap < targetGap)
{
//Logger.Debug("Not throttling transcoder gap {0} target gap {1} bytes downloaded {2}", gap, targetGap, bytesDownloaded);
//_logger.Debug("Not throttling transcoder gap {0} target gap {1} bytes downloaded {2}", gap, targetGap, bytesDownloaded);
return false;
}
//Logger.Debug("Throttling transcoder gap {0} target gap {1} bytes downloaded {2}", gap, targetGap, bytesDownloaded);
//_logger.Debug("Throttling transcoder gap {0} target gap {1} bytes downloaded {2}", gap, targetGap, bytesDownloaded);
return true;
}
catch
{
//Logger.Error("Error getting output size");
//_logger.Error("Error getting output size");
}
}
else
{
//Logger.Debug("No throttle data for " + path);
//_logger.Debug("No throttle data for " + path);
}
return false;