diff options
Diffstat (limited to 'MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs')
| -rw-r--r-- | MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index 7264c5eed..e94a04a7d 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs @@ -938,8 +938,10 @@ namespace MediaBrowser.Controller.MediaEncoding && state.SubtitleStream.IsExternal) { var subtitlePath = state.SubtitleStream.Path; + var subtitleExtension = Path.GetExtension(subtitlePath); - if (string.Equals(Path.GetExtension(subtitlePath), ".sub", StringComparison.OrdinalIgnoreCase)) + if (string.Equals(subtitleExtension, ".sub", StringComparison.OrdinalIgnoreCase) + || string.Equals(subtitleExtension, ".sup", StringComparison.OrdinalIgnoreCase)) { var idxFile = Path.ChangeExtension(subtitlePath, ".idx"); if (File.Exists(idxFile)) @@ -2127,15 +2129,30 @@ namespace MediaBrowser.Controller.MediaEncoding var filters = new List<string>(); - // Boost volume to 200% when downsampling from 6ch to 2ch if (channels.HasValue - && channels.Value <= 2 + && channels.Value == 2 && state.AudioStream is not null && state.AudioStream.Channels.HasValue - && state.AudioStream.Channels.Value > 5 - && !encodingOptions.DownMixAudioBoost.Equals(1)) + && state.AudioStream.Channels.Value > 5) { - filters.Add("volume=" + encodingOptions.DownMixAudioBoost.ToString(CultureInfo.InvariantCulture)); + switch (encodingOptions.DownMixStereoAlgorithm) + { + case DownMixStereoAlgorithms.Dave750: + filters.Add("volume=4.25"); + filters.Add("pan=stereo|c0=0.5*c2+0.707*c0+0.707*c4+0.5*c3|c1=0.5*c2+0.707*c1+0.707*c5+0.5*c3"); + break; + case DownMixStereoAlgorithms.NightmodeDialogue: + filters.Add("pan=stereo|c0=c2+0.30*c0+0.30*c4|c1=c2+0.30*c1+0.30*c5"); + break; + case DownMixStereoAlgorithms.None: + default: + if (!encodingOptions.DownMixAudioBoost.Equals(1)) + { + filters.Add("volume=" + encodingOptions.DownMixAudioBoost.ToString(CultureInfo.InvariantCulture)); + } + + break; + } } var isCopyingTimestamps = state.CopyTimestamps || state.TranscodingType != TranscodingJobType.Progressive; @@ -5709,10 +5726,9 @@ namespace MediaBrowser.Controller.MediaEncoding return args; } - // Add the number of audio channels var channels = state.OutputAudioChannels; - if (channels.HasValue) + if (channels.HasValue && ((channels.Value != 2 && state.AudioStream.Channels <= 5) || encodingOptions.DownMixStereoAlgorithm == DownMixStereoAlgorithms.None)) { args += " -ac " + channels.Value; } |