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authorNegulici-R. Barnabas <109497789+negulici-r-barnabas@users.noreply.github.com>2022-11-13 15:29:16 +0200
committerGitHub <noreply@github.com>2022-11-13 15:29:16 +0200
commitb7aa5ed862db11bbbc0a4ea5c92a67b772bfc35d (patch)
treed8f396f581f3bdbd4be4c34d4a949df9fff72934 /src/Jellyfin.MediaEncoding.Keyframes/FfProbe
parent1e41636e30b82518633ac6979564ff98bb40aca9 (diff)
parent6655cf4e58285f51b612efb0bb6229f036da2591 (diff)
Merge branch 'jellyfin:master' into master
Diffstat (limited to 'src/Jellyfin.MediaEncoding.Keyframes/FfProbe')
-rw-r--r--src/Jellyfin.MediaEncoding.Keyframes/FfProbe/FfProbeKeyframeExtractor.cs40
1 files changed, 32 insertions, 8 deletions
diff --git a/src/Jellyfin.MediaEncoding.Keyframes/FfProbe/FfProbeKeyframeExtractor.cs b/src/Jellyfin.MediaEncoding.Keyframes/FfProbe/FfProbeKeyframeExtractor.cs
index 320604e10..febe9516a 100644
--- a/src/Jellyfin.MediaEncoding.Keyframes/FfProbe/FfProbeKeyframeExtractor.cs
+++ b/src/Jellyfin.MediaEncoding.Keyframes/FfProbe/FfProbeKeyframeExtractor.cs
@@ -11,7 +11,7 @@ namespace Jellyfin.MediaEncoding.Keyframes.FfProbe;
/// </summary>
public static class FfProbeKeyframeExtractor
{
- private const string DefaultArguments = "-v error -skip_frame nokey -show_entries format=duration -show_entries stream=duration -show_entries packet=pts_time,flags -select_streams v -of csv \"{0}\"";
+ private const string DefaultArguments = "-fflags +genpts -v error -skip_frame nokey -show_entries format=duration -show_entries stream=duration -show_entries packet=pts_time,flags -select_streams v -of csv \"{0}\"";
/// <summary>
/// Extracts the keyframes using the ffprobe executable at the specified path.
@@ -38,9 +38,28 @@ public static class FfProbeKeyframeExtractor
EnableRaisingEvents = true
};
- process.Start();
+ try
+ {
+ process.Start();
- return ParseStream(process.StandardOutput);
+ return ParseStream(process.StandardOutput);
+ }
+ catch (Exception)
+ {
+ try
+ {
+ if (!process.HasExited)
+ {
+ process.Kill();
+ }
+ }
+ catch
+ {
+ // We do not care if this fails
+ }
+
+ throw;
+ }
}
internal static KeyframeData ParseStream(StreamReader reader)
@@ -62,12 +81,17 @@ public static class FfProbeKeyframeExtractor
var rest = line[(firstComma + 1)..];
if (lineType.Equals("packet", StringComparison.OrdinalIgnoreCase))
{
- if (rest.EndsWith(",K_"))
+ // Split time and flags from the packet line. Example line: packet,7169.079000,K_
+ var secondComma = rest.IndexOf(',');
+ var ptsTime = rest[..secondComma];
+ var flags = rest[(secondComma + 1)..];
+ if (flags.StartsWith("K_"))
{
- // Trim the flags from the packet line. Example line: packet,7169.079000,K_
- var keyframe = double.Parse(rest[..^3], NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture);
- // Have to manually convert to ticks to avoid rounding errors as TimeSpan is only precise down to 1 ms when converting double.
- keyframes.Add(Convert.ToInt64(keyframe * TimeSpan.TicksPerSecond));
+ if (double.TryParse(ptsTime, NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture, out var keyframe))
+ {
+ // Have to manually convert to ticks to avoid rounding errors as TimeSpan is only precise down to 1 ms when converting double.
+ keyframes.Add(Convert.ToInt64(keyframe * TimeSpan.TicksPerSecond));
+ }
}
}
else if (lineType.Equals("stream", StringComparison.OrdinalIgnoreCase))