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pull/6600/head
cvium 3 years ago
parent 35c0801d6c
commit be233b49b6
4 changed files with 45 additions and 24 deletions
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12
Jellyfin.sln
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@ -223,10 +223,6 @@ Global
{42816EA8-4511-4CBF-A9C7-7791D5DDDAE6}.Debug|Any CPU.Build.0 = Debug|Any CPU
{42816EA8-4511-4CBF-A9C7-7791D5DDDAE6}.Release|Any CPU.ActiveCfg = Release|Any CPU
{42816EA8-4511-4CBF-A9C7-7791D5DDDAE6}.Release|Any CPU.Build.0 = Release|Any CPU
{25E40B0B-7C89-4230-8911-CBBBCE83FC5B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{25E40B0B-7C89-4230-8911-CBBBCE83FC5B}.Debug|Any CPU.Build.0 = Debug|Any CPU
{25E40B0B-7C89-4230-8911-CBBBCE83FC5B}.Release|Any CPU.ActiveCfg = Release|Any CPU
{25E40B0B-7C89-4230-8911-CBBBCE83FC5B}.Release|Any CPU.Build.0 = Release|Any CPU
{3ADBCD8C-C0F2-4956-8FDC-35D686B74CF9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{3ADBCD8C-C0F2-4956-8FDC-35D686B74CF9}.Debug|Any CPU.Build.0 = Debug|Any CPU
{3ADBCD8C-C0F2-4956-8FDC-35D686B74CF9}.Release|Any CPU.ActiveCfg = Release|Any CPU
@ -249,12 +245,12 @@ Global
{332A5C7A-F907-47CA-910E-BE6F7371B9E0}.Release|Any CPU.Build.0 = Release|Any CPU
{06535CA1-4097-4360-85EB-5FB875D53239}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{06535CA1-4097-4360-85EB-5FB875D53239}.Debug|Any CPU.Build.0 = Debug|Any CPU
{06535CA1-4097-4360-85EB-5FB875D53239}.Release|Any CPU.ActiveCfg = Release|Any CPU
{06535CA1-4097-4360-85EB-5FB875D53239}.Release|Any CPU.Build.0 = Release|Any CPU
{06535CA1-4097-4360-85EB-5FB875D53239}.Release|Any CPU.ActiveCfg = Debug|Any CPU
{06535CA1-4097-4360-85EB-5FB875D53239}.Release|Any CPU.Build.0 = Debug|Any CPU
{DA9FD356-4894-4830-B208-D6BCE3E65B11}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{DA9FD356-4894-4830-B208-D6BCE3E65B11}.Debug|Any CPU.Build.0 = Debug|Any CPU
{DA9FD356-4894-4830-B208-D6BCE3E65B11}.Release|Any CPU.ActiveCfg = Release|Any CPU
{DA9FD356-4894-4830-B208-D6BCE3E65B11}.Release|Any CPU.Build.0 = Release|Any CPU
{DA9FD356-4894-4830-B208-D6BCE3E65B11}.Release|Any CPU.ActiveCfg = Debug|Any CPU
{DA9FD356-4894-4830-B208-D6BCE3E65B11}.Release|Any CPU.Build.0 = Debug|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

24
src/Jellyfin.MediaEncoding.Hls/Playlist/DynamicHlsPlaylistGenerator.cs
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@ -26,6 +26,7 @@ namespace Jellyfin.MediaEncoding.Hls.Playlist
private readonly IMediaEncoder _mediaEncoder;
private readonly IApplicationPaths _applicationPaths;
private readonly KeyframeExtractor _keyframeExtractor;
private readonly ILogger<DynamicHlsPlaylistGenerator> _logger;
/// <summary>
/// Initializes a new instance of the <see cref="DynamicHlsPlaylistGenerator"/> class.
@ -40,6 +41,7 @@ namespace Jellyfin.MediaEncoding.Hls.Playlist
_mediaEncoder = mediaEncoder;
_applicationPaths = applicationPaths;
_keyframeExtractor = new KeyframeExtractor(loggerFactory.CreateLogger<KeyframeExtractor>());
_logger = loggerFactory.CreateLogger<DynamicHlsPlaylistGenerator>();
}
private string KeyframeCachePath => Path.Combine(_applicationPaths.DataPath, "keyframes");
@ -47,12 +49,13 @@ namespace Jellyfin.MediaEncoding.Hls.Playlist
/// <inheritdoc />
public string CreateMainPlaylist(CreateMainPlaylistRequest request)
{
IReadOnlyList<double> segments;
if (IsExtractionAllowed(request.FilePath))
IReadOnlyList<double> segments = Array.Empty<double>();
if (IsExtractionAllowedForFile(request.FilePath))
{
segments = ComputeSegments(request.FilePath, request.DesiredSegmentLengthMs);
}
else
if (segments.Count == 0)
{
segments = ComputeEqualLengthSegments(request.DesiredSegmentLengthMs, request.TotalRuntimeTicks);
}
@ -92,7 +95,7 @@ namespace Jellyfin.MediaEncoding.Hls.Playlist
foreach (var length in segments)
{
builder.Append("#EXTINF:")
.Append(length.ToString("0.0000", CultureInfo.InvariantCulture))
.Append(length.ToString("0.000000", CultureInfo.InvariantCulture))
.AppendLine(", nodesc")
.Append(request.EndpointPrefix)
.Append(index++)
@ -122,7 +125,16 @@ namespace Jellyfin.MediaEncoding.Hls.Playlist
}
else
{
keyframeData = _keyframeExtractor.GetKeyframeData(filePath, _mediaEncoder.ProbePath, string.Empty);
try
{
keyframeData = _keyframeExtractor.GetKeyframeData(filePath, _mediaEncoder.ProbePath, string.Empty);
}
catch (Exception ex)
{
_logger.LogError(ex, "Keyframe extraction failed for path {FilePath}", filePath);
return Array.Empty<double>();
}
CacheResult(cachePath, keyframeData);
}
@ -176,7 +188,7 @@ namespace Jellyfin.MediaEncoding.Hls.Playlist
return false;
}
private bool IsExtractionAllowed(ReadOnlySpan<char> filePath)
private bool IsExtractionAllowedForFile(ReadOnlySpan<char> filePath)
{
// Remove the leading dot
var extension = Path.GetExtension(filePath)[1..];

25
src/Jellyfin.MediaEncoding.Keyframes/KeyframeExtractor.cs
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@ -32,25 +32,38 @@ namespace Jellyfin.MediaEncoding.Keyframes
/// <returns>An instance of <see cref="KeyframeData"/>.</returns>
public KeyframeData GetKeyframeData(string filePath, string ffProbePath, string ffToolPath)
{
var extension = Path.GetExtension(filePath);
if (string.Equals(extension, ".mkv", StringComparison.OrdinalIgnoreCase))
var extension = Path.GetExtension(filePath.AsSpan());
if (extension.Equals(".mkv", StringComparison.OrdinalIgnoreCase))
{
try
{
return MatroskaKeyframeExtractor.GetKeyframeData(filePath);
}
catch (InvalidOperationException ex)
catch (Exception ex)
{
_logger.LogError(ex, "{MatroskaKeyframeExtractor} failed to extract keyframes", nameof(MatroskaKeyframeExtractor));
_logger.LogError(ex, "{ExtractorType} failed to extract keyframes", nameof(MatroskaKeyframeExtractor));
}
}
if (!string.IsNullOrEmpty(ffToolPath))
try
{
return FfToolKeyframeExtractor.GetKeyframeData(ffToolPath, filePath);
}
catch (Exception ex)
{
_logger.LogError(ex, "{ExtractorType} failed to extract keyframes", nameof(FfToolKeyframeExtractor));
}
try
{
return FfProbeKeyframeExtractor.GetKeyframeData(ffProbePath, filePath);
}
catch (Exception ex)
{
_logger.LogError(ex, "{ExtractorType} failed to extract keyframes", nameof(FfProbeKeyframeExtractor));
}
return FfProbeKeyframeExtractor.GetKeyframeData(ffProbePath, filePath);
return new KeyframeData(0, Array.Empty<long>());
}
}
}

8
src/Jellyfin.MediaEncoding.Keyframes/Matroska/MatroskaKeyframeExtractor.cs
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@ -49,7 +49,7 @@ namespace Jellyfin.MediaEncoding.Keyframes.Matroska
if (trackNumber == videoTrackNumber)
{
keyframes.Add(ScaleToNanoseconds(cueTime, info.TimestampScale));
keyframes.Add(ScaleToTicks(cueTime, info.TimestampScale));
}
reader.LeaveContainer();
@ -57,17 +57,17 @@ namespace Jellyfin.MediaEncoding.Keyframes.Matroska
reader.LeaveContainer();
var result = new KeyframeData(ScaleToNanoseconds(info.Duration ?? 0, info.TimestampScale), keyframes);
var result = new KeyframeData(ScaleToTicks(info.Duration ?? 0, info.TimestampScale), keyframes);
return result;
}
private static long ScaleToNanoseconds(ulong unscaledValue, long timestampScale)
private static long ScaleToTicks(ulong unscaledValue, long timestampScale)
{
// TimestampScale is in nanoseconds, scale it to get the value in ticks, 1 tick == 100 ns
return (long)unscaledValue * timestampScale / 100;
}
private static long ScaleToNanoseconds(double unscaledValue, long timestampScale)
private static long ScaleToTicks(double unscaledValue, long timestampScale)
{
// TimestampScale is in nanoseconds, scale it to get the value in ticks, 1 tick == 100 ns
return Convert.ToInt64(unscaledValue * timestampScale / 100);

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