normalize video track timescale (#123)

2021-03-31 23:36:20 +00:00
parent 9e6de7e2eb
commit da3e05b231
4 changed files with 15 additions and 1 deletions
@@ -27,5 +27,6 @@ namespace ErsatzTV.Core.FFmpeg
        public string AudioCodec { get; set; }
        public bool Deinterlace { get; set; }
        public Option<string> FrameRate { get; set; }
+        public Option<int> VideoTrackTimeScale { get; set; }
    }
 }
@@ -91,6 +91,8 @@ namespace ErsatzTV.Core.FFmpeg
                        result.FrameRate = string.IsNullOrWhiteSpace(ffmpegProfile.FrameRate)
                            ? None
                            : Some(ffmpegProfile.FrameRate);
+
+                        result.VideoTrackTimeScale = 90000;
                    }

                    if (result.ScaledSize.IsSome || result.PadToDesiredResolution ||
@@ -330,6 +330,16 @@ namespace ErsatzTV.Core.FFmpeg
            return this;
        }

+        public FFmpegProcessBuilder WithVideoTrackTimeScale(Option<int> videoTrackTimeScale)
+        {
+            videoTrackTimeScale.IfSome(timeScale =>
+            {
+                _arguments.Add("-video_track_timescale");
+                _arguments.Add($"{timeScale}");
+            });
+            return this;
+        }
+
        public FFmpegProcessBuilder WithDeinterlace(bool deinterlace)
        {
            _complexFilterBuilder = _complexFilterBuilder.WithDeinterlace(deinterlace);
@@ -49,7 +49,8 @@ namespace ErsatzTV.Core.FFmpeg
                .WithRealtimeOutput(playbackSettings.RealtimeOutput)
                .WithSeek(playbackSettings.StreamSeek)
                .WithInputCodec(path, playbackSettings.HardwareAcceleration, videoStream.Codec)
-                .WithFrameRate(playbackSettings.FrameRate);
+                .WithFrameRate(playbackSettings.FrameRate)
+                .WithVideoTrackTimeScale(playbackSettings.VideoTrackTimeScale);

            playbackSettings.ScaledSize.Match(
                scaledSize =>