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Calculate output bitrate from output channel count

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pull/9409/head
knackebrot 2 years ago committed by Shadowghost
parent 0c7ceb1545
commit 2b4bf81575
3 changed files with 27 additions and 30 deletions
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2
Jellyfin.Api/Helpers/DynamicHlsHelper.cs
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@ -221,7 +221,7 @@ namespace Jellyfin.Api.Helpers
sdrVideoUrl += "&AllowVideoStreamCopy=false"; sdrVideoUrl += "&AllowVideoStreamCopy=false";
var sdrOutputVideoBitrate = _encodingHelper.GetVideoBitrateParamValue(state.VideoRequest, state.VideoStream, state.OutputVideoCodec); var sdrOutputVideoBitrate = _encodingHelper.GetVideoBitrateParamValue(state.VideoRequest, state.VideoStream, state.OutputVideoCodec);
var sdrOutputAudioBitrate = _encodingHelper.GetAudioBitrateParam(state.VideoRequest, state.AudioStream) ?? 0; var sdrOutputAudioBitrate = _encodingHelper.GetAudioBitrateParam(state.VideoRequest, state.AudioStream, state.OutputAudioChannels) ?? 0;
var sdrTotalBitrate = sdrOutputAudioBitrate + sdrOutputVideoBitrate; var sdrTotalBitrate = sdrOutputAudioBitrate + sdrOutputVideoBitrate;
AppendPlaylist(builder, state, sdrVideoUrl, sdrTotalBitrate, subtitleGroup); AppendPlaylist(builder, state, sdrVideoUrl, sdrTotalBitrate, subtitleGroup);

2
Jellyfin.Api/Helpers/StreamingHelpers.cs
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@ -184,7 +184,7 @@ namespace Jellyfin.Api.Helpers
state.OutputContainer = (containerInternal ?? string.Empty).TrimStart('.'); state.OutputContainer = (containerInternal ?? string.Empty).TrimStart('.');
state.OutputAudioBitrate = encodingHelper.GetAudioBitrateParam(streamingRequest.AudioBitRate, streamingRequest.AudioCodec, state.AudioStream); state.OutputAudioBitrate = encodingHelper.GetAudioBitrateParam(streamingRequest.AudioBitRate, streamingRequest.AudioCodec, state.AudioStream, state.OutputAudioChannels);
state.OutputAudioCodec = streamingRequest.AudioCodec; state.OutputAudioCodec = streamingRequest.AudioCodec;

53
MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
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@ -2066,50 +2066,47 @@ namespace MediaBrowser.Controller.MediaEncoding
return Convert.ToInt32(scaleFactor * bitrate); return Convert.ToInt32(scaleFactor * bitrate);
} }
public int? GetAudioBitrateParam(BaseEncodingJobOptions request, MediaStream audioStream) public int? GetAudioBitrateParam(BaseEncodingJobOptions request, MediaStream audioStream, int? outputAudioChannels)
{ {
return GetAudioBitrateParam(request.AudioBitRate, request.AudioCodec, audioStream); return GetAudioBitrateParam(request.AudioBitRate, request.AudioCodec, audioStream, outputAudioChannels);
} }
public int? GetAudioBitrateParam(int? audioBitRate, string audioCodec, MediaStream audioStream) public int? GetAudioBitrateParam(int? audioBitRate, string audioCodec, MediaStream audioStream, int? outputAudioChannels)
{ {
if (audioStream == null) if (audioStream == null)
{ {
return null; return null;
} }
if (audioBitRate.HasValue && string.IsNullOrEmpty(audioCodec)) var inputChannels = audioStream.Channels ?? 0;
var outputChannels = outputAudioChannels ?? 0;
if (audioBitRate.HasValue && (string.IsNullOrEmpty(audioCodec)
|| string.Equals(audioCodec, "aac", StringComparison.OrdinalIgnoreCase)
|| string.Equals(audioCodec, "mp3", StringComparison.OrdinalIgnoreCase)
|| string.Equals(audioCodec, "opus", StringComparison.OrdinalIgnoreCase)
|| string.Equals(audioCodec, "vorbis", StringComparison.OrdinalIgnoreCase)
|| string.Equals(audioCodec, "ac3", StringComparison.OrdinalIgnoreCase)
|| string.Equals(audioCodec, "eac3", StringComparison.OrdinalIgnoreCase)))
{ {
return Math.Min(384000, audioBitRate.Value); return (inputChannels, outputChannels) switch
{
(>= 6, >= 6 or 0) => Math.Min(640000, audioBitRate.Value),
(> 0, > 0) => Math.Min(outputChannels * 128000, audioBitRate.Value),
(> 0, _) => Math.Min(inputChannels * 128000, audioBitRate.Value),
(_, _) => Math.Min(384000, audioBitRate.Value)
};
} }
if (audioBitRate.HasValue && !string.IsNullOrEmpty(audioCodec)) if (audioBitRate.HasValue && (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase)
|| string.Equals(audioCodec, "alac", StringComparison.OrdinalIgnoreCase)))
{ {
if (string.Equals(audioCodec, "aac", StringComparison.OrdinalIgnoreCase) if ((audioStream.Channels ?? 0) >= 6)
|| string.Equals(audioCodec, "mp3", StringComparison.OrdinalIgnoreCase)
|| string.Equals(audioCodec, "opus", StringComparison.OrdinalIgnoreCase)
|| string.Equals(audioCodec, "vorbis", StringComparison.OrdinalIgnoreCase)
|| string.Equals(audioCodec, "ac3", StringComparison.OrdinalIgnoreCase)
|| string.Equals(audioCodec, "eac3", StringComparison.OrdinalIgnoreCase))
{ {
if ((audioStream.Channels ?? 0) >= 6) return Math.Min(3584000, audioBitRate.Value);
{
return Math.Min(640000, audioBitRate.Value);
}
return Math.Min(384000, audioBitRate.Value);
} }
if (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase) return Math.Min(1536000, audioBitRate.Value);
|| string.Equals(audioCodec, "alac", StringComparison.OrdinalIgnoreCase))
{
if ((audioStream.Channels ?? 0) >= 6)
{
return Math.Min(3584000, audioBitRate.Value);
}
return Math.Min(1536000, audioBitRate.Value);
}
} }
// Empty bitrate area is not allow on iOS // Empty bitrate area is not allow on iOS

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