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fix stream copy decisions

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This commit is contained in:
Luke Pulverenti 2015-09-20 12:42:11 -04:00
parent 4fb8938d09
commit fe430acfc9
2 changed files with 38 additions and 35 deletions
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25
MediaBrowser.Api/Playback/Hls/BaseHlsService.cs
View File

@ -312,31 +312,6 @@ namespace MediaBrowser.Api.Playback.Hls
return 0; return 0;
} }
protected override bool CanStreamCopyVideo(VideoStreamRequest request, MediaStream videoStream)
{
if (videoStream.KeyFrames == null || videoStream.KeyFrames.Count == 0)
{
Logger.Debug("Cannot stream copy video due to missing keyframe info");
return false;
}
var previousSegment = 0;
foreach (var frame in videoStream.KeyFrames)
{
var length = frame - previousSegment;
// Don't allow really long segments because this could result in long download times
if (length > 10000)
{
Logger.Debug("Cannot stream copy video due to long segment length of {0}ms", length);
return false;
}
previousSegment = frame;
}
return base.CanStreamCopyVideo(request, videoStream);
}
protected override bool CanStreamCopyAudio(VideoStreamRequest request, MediaStream audioStream, List<string> supportedAudioCodecs) protected override bool CanStreamCopyAudio(VideoStreamRequest request, MediaStream audioStream, List<string> supportedAudioCodecs)
{ {
return false; return false;

48
MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
View File

@ -285,20 +285,23 @@ namespace MediaBrowser.Api.Playback.Hls
private double[] GetSegmentLengths(StreamState state) private double[] GetSegmentLengths(StreamState state)
{ {
var result = new List<double>(); var result = new List<double>();
var encoder = GetVideoEncoder(state); if (state.VideoRequest != null)
if (string.Equals(encoder, "copy", StringComparison.OrdinalIgnoreCase))
{ {
var videoStream = state.VideoStream; var encoder = GetVideoEncoder(state);
if (videoStream.KeyFrames != null && videoStream.KeyFrames.Count > 0)
if (string.Equals(encoder, "copy", StringComparison.OrdinalIgnoreCase))
{ {
foreach (var frame in videoStream.KeyFrames) var videoStream = state.VideoStream;
if (videoStream.KeyFrames != null && videoStream.KeyFrames.Count > 0)
{ {
var seconds = TimeSpan.FromMilliseconds(frame).TotalSeconds; foreach (var frame in videoStream.KeyFrames)
seconds -= result.Sum(); {
result.Add(seconds); var seconds = TimeSpan.FromMilliseconds(frame).TotalSeconds;
seconds -= result.Sum();
result.Add(seconds);
}
return result.ToArray();
} }
return result.ToArray();
} }
} }
@ -960,5 +963,30 @@ namespace MediaBrowser.Api.Playback.Hls
{ {
return isOutputVideo ? ".ts" : ".ts"; return isOutputVideo ? ".ts" : ".ts";
} }
protected override bool CanStreamCopyVideo(VideoStreamRequest request, MediaStream videoStream)
{
if (videoStream.KeyFrames == null || videoStream.KeyFrames.Count == 0)
{
Logger.Debug("Cannot stream copy video due to missing keyframe info");
return false;
}
var previousSegment = 0;
foreach (var frame in videoStream.KeyFrames)
{
var length = frame - previousSegment;
// Don't allow really long segments because this could result in long download times
if (length > 10000)
{
Logger.Debug("Cannot stream copy video due to long segment length of {0}ms", length);
return false;
}
previousSegment = frame;
}
return base.CanStreamCopyVideo(request, videoStream);
}
} }
} }