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Clean up streambuilder

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Bond_009 2019-01-09 23:33:17 +01:00
parent edcfd8b565
commit c9b88ab741
1 changed files with 61 additions and 93 deletions
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154
MediaBrowser.Model/Dlna/StreamBuilder.cs
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@ -317,14 +317,14 @@ namespace MediaBrowser.Model.Dlna
var conditionProcessor = new ConditionProcessor();
int? inputAudioChannels = audioStream == null ? null : audioStream.Channels;
int? inputAudioBitrate = audioStream == null ? null : audioStream.BitDepth;
int? inputAudioSampleRate = audioStream == null ? null : audioStream.SampleRate;
int? inputAudioBitDepth = audioStream == null ? null : audioStream.BitDepth;
int? inputAudioChannels = audioStream?.Channels;
int? inputAudioBitrate = audioStream?.BitDepth;
int? inputAudioSampleRate = audioStream?.SampleRate;
int? inputAudioBitDepth = audioStream.BitDepth;
if (directPlayMethods.Count > 0)
if (directPlayMethods.Count() > 0)
{
string audioCodec = audioStream == null ? null : audioStream.Codec;
string audioCodec = audioStream?.Codec;
// Make sure audio codec profiles are satisfied
var conditions = new List<ProfileCondition>();
@ -345,10 +345,7 @@ namespace MediaBrowser.Model.Dlna
if (applyConditions)
{
foreach (ProfileCondition c in i.Conditions)
{
conditions.Add(c);
}
conditions.AddRange(i.Conditions);
}
}
}
@ -473,66 +470,57 @@ namespace MediaBrowser.Model.Dlna
return options.GetMaxBitrate(isAudio);
}
private Tuple<List<PlayMethod>, List<TranscodeReason>> GetAudioDirectPlayMethods(MediaSourceInfo item, MediaStream audioStream, AudioOptions options)
private (IEnumerable<PlayMethod>, IEnumerable<TranscodeReason>) GetAudioDirectPlayMethods(MediaSourceInfo item, MediaStream audioStream, AudioOptions options)
{
var transcodeReasons = new List<TranscodeReason>();
DirectPlayProfile directPlayProfile = options.Profile.DirectPlayProfiles
.FirstOrDefault(x => x.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(x, item, audioStream));
DirectPlayProfile directPlayProfile = null;
foreach (var i in options.Profile.DirectPlayProfiles)
if (directPlayProfile == null)
{
if (i.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(i, item, audioStream))
{
directPlayProfile = i;
break;
}
}
var playMethods = new List<PlayMethod>();
if (directPlayProfile != null)
{
// While options takes the network and other factors into account. Only applies to direct stream
if (item.SupportsDirectStream)
{
if (IsAudioEligibleForDirectPlay(item, options.GetMaxBitrate(true) ?? 0, PlayMethod.DirectStream))
{
if (options.EnableDirectStream)
{
playMethods.Add(PlayMethod.DirectStream);
}
}
else
{
transcodeReasons.Add(TranscodeReason.ContainerBitrateExceedsLimit);
}
}
// The profile describes what the device supports
// If device requirements are satisfied then allow both direct stream and direct play
if (item.SupportsDirectPlay)
{
if (IsAudioEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options, true) ?? 0, PlayMethod.DirectPlay))
{
if (options.EnableDirectPlay)
{
playMethods.Add(PlayMethod.DirectPlay);
}
}
else
{
transcodeReasons.Add(TranscodeReason.ContainerBitrateExceedsLimit);
}
}
}
else
{
transcodeReasons.InsertRange(0, GetTranscodeReasonsFromDirectPlayProfile(item, null, audioStream, options.Profile.DirectPlayProfiles));
_logger.LogInformation("Profile: {0}, No direct play profiles found for Path: {1}",
options.Profile.Name ?? "Unknown Profile",
item.Path ?? "Unknown path");
return (Enumerable.Empty<PlayMethod>(), GetTranscodeReasonsFromDirectPlayProfile(item, null, audioStream, options.Profile.DirectPlayProfiles));
}
var playMethods = new List<PlayMethod>();
var transcodeReasons = new List<TranscodeReason>();
// While options takes the network and other factors into account. Only applies to direct stream
if (item.SupportsDirectStream)
{
if (IsAudioEligibleForDirectPlay(item, options.GetMaxBitrate(true) ?? 0, PlayMethod.DirectStream))
{
if (options.EnableDirectStream)
{
playMethods.Add(PlayMethod.DirectStream);
}
}
else
{
transcodeReasons.Add(TranscodeReason.ContainerBitrateExceedsLimit);
}
}
// The profile describes what the device supports
// If device requirements are satisfied then allow both direct stream and direct play
if (item.SupportsDirectPlay)
{
if (IsAudioEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options, true) ?? 0, PlayMethod.DirectPlay))
{
if (options.EnableDirectPlay)
{
playMethods.Add(PlayMethod.DirectPlay);
}
}
else
{
transcodeReasons.Add(TranscodeReason.ContainerBitrateExceedsLimit);
}
}
if (playMethods.Count > 0)
{
transcodeReasons.Clear();
@ -542,41 +530,25 @@ namespace MediaBrowser.Model.Dlna
transcodeReasons = transcodeReasons.Distinct().ToList();
}
return new Tuple<List<PlayMethod>, List<TranscodeReason>>(playMethods, transcodeReasons);
return (playMethods, transcodeReasons);
}
private List<TranscodeReason> GetTranscodeReasonsFromDirectPlayProfile(MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream, IEnumerable<DirectPlayProfile> directPlayProfiles)
{
var list = new List<TranscodeReason>();
var containerSupported = false;
var audioSupported = false;
var videoSupported = false;
foreach (var profile in directPlayProfiles)
{
audioSupported = false;
videoSupported = false;
// Check container type
if (profile.SupportsContainer(item.Container))
{
containerSupported = true;
if (videoStream != null)
{
if (profile.SupportsVideoCodec(videoStream.Codec))
{
videoSupported = true;
}
}
videoSupported = videoStream != null && profile.SupportsVideoCodec(videoStream.Codec);
if (audioStream != null)
{
if (profile.SupportsAudioCodec(audioStream.Codec))
{
audioSupported = true;
}
}
audioSupported = audioStream != null && profile.SupportsAudioCodec(audioStream.Codec);
if (videoSupported && audioSupported)
{
@ -585,6 +557,7 @@ namespace MediaBrowser.Model.Dlna
}
}
var list = new List<TranscodeReason>();
if (!containerSupported)
{
list.Add(TranscodeReason.ContainerNotSupported);
@ -1197,7 +1170,7 @@ namespace MediaBrowser.Model.Dlna
mediaSource.Path ?? "Unknown path");
}
private ValueTuple<bool, TranscodeReason?> IsEligibleForDirectPlay(MediaSourceInfo item,
private (bool directPlay, TranscodeReason? reason) IsEligibleForDirectPlay(MediaSourceInfo item,
long maxBitrate,
MediaStream subtitleStream,
VideoOptions options,
@ -1210,18 +1183,13 @@ namespace MediaBrowser.Model.Dlna
if (subtitleProfile.Method != SubtitleDeliveryMethod.External && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
{
_logger.LogInformation("Not eligible for {0} due to unsupported subtitles", playMethod);
return new ValueTuple<bool, TranscodeReason?>(false, TranscodeReason.SubtitleCodecNotSupported);
return (false, TranscodeReason.SubtitleCodecNotSupported);
}
}
var result = IsAudioEligibleForDirectPlay(item, maxBitrate, playMethod);
bool result = IsAudioEligibleForDirectPlay(item, maxBitrate, playMethod);
if (result)
{
return new ValueTuple<bool, TranscodeReason?>(result, null);
}
return new ValueTuple<bool, TranscodeReason?>(result, TranscodeReason.ContainerBitrateExceedsLimit);
return (result, result ? (TranscodeReason?)null : TranscodeReason.ContainerBitrateExceedsLimit);
}
public static SubtitleProfile GetSubtitleProfile(MediaSourceInfo mediaSource, MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, ITranscoderSupport transcoderSupport, string outputContainer, string transcodingSubProtocol)
@ -1391,12 +1359,12 @@ namespace MediaBrowser.Model.Dlna
var requestedMaxBitrate = maxBitrate > 0 ? maxBitrate : 1000000;
// If we don't know the bitrate, then force a transcode if requested max bitrate is under 40 mbps
var itemBitrate = item.Bitrate ??
40000000;
var itemBitrate = item.Bitrate ?? 40000000;
if (itemBitrate > requestedMaxBitrate)
{
_logger.LogInformation("Bitrate exceeds " + playMethod + " limit: media bitrate: {0}, max bitrate: {1}", itemBitrate.ToString(CultureInfo.InvariantCulture), requestedMaxBitrate.ToString(CultureInfo.InvariantCulture));
_logger.LogInformation("Bitrate exceeds {PlayBackMethod} limit: media bitrate: {MediaBitrate}, max bitrate: {MaxBitrate}",
playMethod, itemBitrate, requestedMaxBitrate);
return false;
}