Normalize invalid PTS from containers for Trickplay generation

This change does not affect the keyframe only mode. Signed-off-by: nyanmisaka <nst799610810@gmail.com>
2026-07-18 15:44:34 +08:00
parent 53aafcd38e
commit 9fa9d26341
1 changed files with 19 additions and 0 deletions
@@ -926,6 +926,25 @@ namespace MediaBrowser.MediaEncoding.Encoder
                throw new InvalidOperationException("EncodingHelper returned empty or invalid filter parameters.");
            }

+            // Normalize invalid PTS from containers for non keyframe only mode
+            if (!enableKeyFrameOnlyExtraction)
+            {
+                var fpsFilterIndex = filterParam.IndexOf("fps=", StringComparison.Ordinal);
+                if (fpsFilterIndex >= 0)
+                {
+                    var inputFrameRate = (imageStream.ReferenceFrameRate.HasValue && imageStream.ReferenceFrameRate > 0)
+                        ? imageStream.ReferenceFrameRate.Value : 30;
+
+                    var setPtsFilter = string.Create(CultureInfo.InvariantCulture, $"setpts=N/{inputFrameRate:F3}/TB,");
+
+                    filterParam = filterParam.Insert(fpsFilterIndex, setPtsFilter);
+                }
+                else
+                {
+                    throw new InvalidOperationException("EncodingHelper returned invalid filter parameters.");
+                }
+            }
+
            try
            {
                return await ExtractVideoImagesOnIntervalInternal(