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cvium
2021-09-25 10:41:36 +02:00
parent 35c0801d6c
commit be233b49b6
4 changed files with 45 additions and 24 deletions
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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..];