From 85965741f57e709133fbaf5ba59ed45bbd3b5d26 Mon Sep 17 00:00:00 2001 From: nyanmisaka Date: Sun, 8 Nov 2020 01:39:32 +0800 Subject: [PATCH] add initial support for HEVC over FMP4-HLS --- .../Controllers/DynamicHlsController.cs | 76 ++++++- .../Controllers/UniversalAudioController.cs | 7 +- Jellyfin.Api/Helpers/DynamicHlsHelper.cs | 198 ++++++++++++++++-- Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs | 29 ++- .../MediaEncoding/EncodingHelper.cs | 187 +++++++++++------ .../Dlna/ResolutionNormalizer.cs | 1 - 6 files changed, 396 insertions(+), 102 deletions(-) diff --git a/Jellyfin.Api/Controllers/DynamicHlsController.cs b/Jellyfin.Api/Controllers/DynamicHlsController.cs index e07690e11..1247ef502 100644 --- a/Jellyfin.Api/Controllers/DynamicHlsController.cs +++ b/Jellyfin.Api/Controllers/DynamicHlsController.cs @@ -1136,11 +1136,19 @@ namespace Jellyfin.Api.Controllers var segmentLengths = GetSegmentLengths(state); + var segmentContainer = state.Request.SegmentContainer ?? "ts"; + + // http://ffmpeg.org/ffmpeg-all.html#toc-hls-2 + var isHlsInFmp4 = string.Equals(segmentContainer, "mp4", StringComparison.OrdinalIgnoreCase); + var hlsVersion = isHlsInFmp4 ? "7" : "3"; + var builder = new StringBuilder(); builder.AppendLine("#EXTM3U") .AppendLine("#EXT-X-PLAYLIST-TYPE:VOD") - .AppendLine("#EXT-X-VERSION:3") + .Append("#EXT-X-VERSION:") + .Append(hlsVersion) + .AppendLine() .Append("#EXT-X-TARGETDURATION:") .Append(Math.Ceiling(segmentLengths.Length > 0 ? segmentLengths.Max() : state.SegmentLength)) .AppendLine() @@ -1150,6 +1158,18 @@ namespace Jellyfin.Api.Controllers var segmentExtension = GetSegmentFileExtension(streamingRequest.SegmentContainer); var queryString = Request.QueryString; + if (isHlsInFmp4) + { + builder.Append("#EXT-X-MAP:URI=\"") + .Append("hls1/") + .Append(name) + .Append("/-1") + .Append(segmentExtension) + .Append(queryString) + .Append('"') + .AppendLine(); + } + foreach (var length in segmentLengths) { builder.Append("#EXTINF:") @@ -1232,7 +1252,13 @@ namespace Jellyfin.Api.Controllers var currentTranscodingIndex = GetCurrentTranscodingIndex(playlistPath, segmentExtension); var segmentGapRequiringTranscodingChange = 24 / state.SegmentLength; - if (currentTranscodingIndex == null) + if (segmentId == -1) + { + _logger.LogDebug("Starting transcoding because fmp4 header file is being requested"); + startTranscoding = true; + segmentId = 0; + } + else if (currentTranscodingIndex == null) { _logger.LogDebug("Starting transcoding because currentTranscodingIndex=null"); startTranscoding = true; @@ -1347,13 +1373,24 @@ namespace Jellyfin.Api.Controllers var mapArgs = state.IsOutputVideo ? _encodingHelper.GetMapArgs(state) : string.Empty; - var outputTsArg = Path.Combine(Path.GetDirectoryName(outputPath), Path.GetFileNameWithoutExtension(outputPath)) + "%d" + GetSegmentFileExtension(state.Request.SegmentContainer); + var outputPrefix = Path.Combine(Path.GetDirectoryName(outputPath), Path.GetFileNameWithoutExtension(outputPath)); + var outputExtension = GetSegmentFileExtension(state.Request.SegmentContainer); + var outputTsArg = outputPrefix + "%d" + outputExtension; var segmentFormat = GetSegmentFileExtension(state.Request.SegmentContainer).TrimStart('.'); if (string.Equals(segmentFormat, "ts", StringComparison.OrdinalIgnoreCase)) { segmentFormat = "mpegts"; } + else if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase)) + { + var outputFmp4HeaderArg = " -hls_fmp4_init_filename \"" + outputPrefix + "-1" + outputExtension + "\""; + segmentFormat = "fmp4" + outputFmp4HeaderArg; + } + else + { + _logger.LogError("Invalid HLS segment container: " + segmentFormat); + } var maxMuxingQueueSize = encodingOptions.MaxMuxingQueueSize > 128 ? encodingOptions.MaxMuxingQueueSize.ToString(CultureInfo.InvariantCulture) @@ -1384,7 +1421,7 @@ namespace Jellyfin.Api.Controllers { if (EncodingHelper.IsCopyCodec(audioCodec)) { - return "-acodec copy"; + return "-acodec copy -strict -2"; } var audioTranscodeParams = new List(); @@ -1416,10 +1453,10 @@ namespace Jellyfin.Api.Controllers if (EncodingHelper.IsCopyCodec(videoCodec) && state.EnableBreakOnNonKeyFrames(videoCodec)) { - return "-codec:a:0 copy -copypriorss:a:0 0"; + return "-codec:a:0 copy -strict -2 -copypriorss:a:0 0"; } - return "-codec:a:0 copy"; + return "-codec:a:0 copy -strict -2"; } var args = "-codec:a:0 " + audioCodec; @@ -1459,6 +1496,15 @@ namespace Jellyfin.Api.Controllers var args = "-codec:v:0 " + codec; + // Prefer hvc1 to hev1 + if (string.Equals(state.ActualOutputVideoCodec, "h265", StringComparison.OrdinalIgnoreCase) + || string.Equals(state.ActualOutputVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "h265", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase)) + { + args += " -tag:v:0 hvc1"; + } + // if (state.EnableMpegtsM2TsMode) // { // args += " -mpegts_m2ts_mode 1"; @@ -1505,18 +1551,32 @@ namespace Jellyfin.Api.Controllers args += " " + _encodingHelper.GetVideoQualityParam(state, codec, encodingOptions, "veryfast"); - // Unable to force key frames using these hw encoders, set key frames by GOP + // Unable to force key frames using these encoders, set key frames by GOP if (string.Equals(codec, "h264_qsv", StringComparison.OrdinalIgnoreCase) || string.Equals(codec, "h264_nvenc", StringComparison.OrdinalIgnoreCase) - || string.Equals(codec, "h264_amf", StringComparison.OrdinalIgnoreCase)) + || string.Equals(codec, "h264_amf", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_nvenc", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_amf", StringComparison.OrdinalIgnoreCase)) { args += " " + gopArg; } + else if (string.Equals(codec, "libx264", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "libx265", StringComparison.OrdinalIgnoreCase)) + { + args += " " + keyFrameArg; + } else { args += " " + keyFrameArg + gopArg; } + // Currenly b-frames in libx265 breaks the FMP4-HLS playback on iOS, disable it for now + if (string.Equals(codec, "libx265", StringComparison.OrdinalIgnoreCase)) + { + args += " -bf 0"; + } + // args += " -mixed-refs 0 -refs 3 -x264opts b_pyramid=0:weightb=0:weightp=0"; var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode; diff --git a/Jellyfin.Api/Controllers/UniversalAudioController.cs b/Jellyfin.Api/Controllers/UniversalAudioController.cs index e10f1fe91..9820c401a 100644 --- a/Jellyfin.Api/Controllers/UniversalAudioController.cs +++ b/Jellyfin.Api/Controllers/UniversalAudioController.cs @@ -191,8 +191,11 @@ namespace Jellyfin.Api.Controllers if (!isStatic && string.Equals(mediaSource.TranscodingSubProtocol, "hls", StringComparison.OrdinalIgnoreCase)) { // hls segment container can only be mpegts or fmp4 per ffmpeg documentation + // ffmpeg option -> file extension + // mpegts -> ts + // fmp4 -> mp4 // TODO: remove this when we switch back to the segment muxer - var supportedHlsContainers = new[] { "mpegts", "fmp4" }; + var supportedHlsContainers = new[] { "ts", "mp4" }; var dynamicHlsRequestDto = new HlsAudioRequestDto { @@ -201,7 +204,7 @@ namespace Jellyfin.Api.Controllers Static = isStatic, PlaySessionId = info.PlaySessionId, // fallback to mpegts if device reports some weird value unsupported by hls - SegmentContainer = Array.Exists(supportedHlsContainers, element => element == transcodingContainer) ? transcodingContainer : "mpegts", + SegmentContainer = Array.Exists(supportedHlsContainers, element => element == transcodingContainer) ? transcodingContainer : "ts", MediaSourceId = mediaSourceId, DeviceId = deviceId, AudioCodec = audioCodec, diff --git a/Jellyfin.Api/Helpers/DynamicHlsHelper.cs b/Jellyfin.Api/Helpers/DynamicHlsHelper.cs index ea012f837..46c1ddc9f 100644 --- a/Jellyfin.Api/Helpers/DynamicHlsHelper.cs +++ b/Jellyfin.Api/Helpers/DynamicHlsHelper.cs @@ -202,7 +202,61 @@ namespace Jellyfin.Api.Helpers AddSubtitles(state, subtitleStreams, builder, _httpContextAccessor.HttpContext.User); } - AppendPlaylist(builder, state, playlistUrl, totalBitrate, subtitleGroup); + var basicPlaylist = AppendPlaylist(builder, state, playlistUrl, totalBitrate, subtitleGroup); + + if (state.VideoStream != null && state.VideoRequest != null) + { + // Provide SDR HEVC entrance for backward compatibility + if (EncodingHelper.IsCopyCodec(state.OutputVideoCodec) + && !string.IsNullOrEmpty(state.VideoStream.VideoRange) + && string.Equals(state.VideoStream.VideoRange, "HDR", StringComparison.OrdinalIgnoreCase) + && string.Equals(state.ActualOutputVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase)) + { + var requestedVideoProfiles = state.GetRequestedProfiles("hevc"); + if (requestedVideoProfiles != null && requestedVideoProfiles.Length > 0) + { + // Force HEVC Main Profile and disable video stream copy + state.OutputVideoCodec = "hevc"; + var sdrVideoUrl = ReplaceProfile(playlistUrl, "hevc", string.Join(",", requestedVideoProfiles), "main"); + sdrVideoUrl += "&AllowVideoStreamCopy=false"; + + EncodingHelper encodingHelper = new EncodingHelper(_mediaEncoder, _fileSystem, _subtitleEncoder, _configuration); + var sdrOutputVideoBitrate = encodingHelper.GetVideoBitrateParamValue(state.VideoRequest, state.VideoStream, state.OutputVideoCodec) ?? 0; + var sdrOutputAudioBitrate = encodingHelper.GetAudioBitrateParam(state.VideoRequest.AudioBitRate, state.AudioStream) ?? 0; + var sdrTotalBitrate = sdrOutputAudioBitrate + sdrOutputVideoBitrate; + + AppendPlaylist(builder, state, sdrVideoUrl, sdrTotalBitrate, subtitleGroup); + + // Restore the video codec + state.OutputVideoCodec = "copy"; + } + } + + // Provide Level 5.0 entrance for backward compatibility + // e.g. Apple A10 chips refuse the master playlist containing SDR HEVC Main Level 5.1 video, + // but in fact it is capable of playing videos up to Level 6.1. + if (EncodingHelper.IsCopyCodec(state.OutputVideoCodec) + && state.VideoStream.Level.HasValue + && state.VideoStream.Level > 150 + && !string.IsNullOrEmpty(state.VideoStream.VideoRange) + && string.Equals(state.VideoStream.VideoRange, "SDR", StringComparison.OrdinalIgnoreCase) + && string.Equals(state.ActualOutputVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase)) + { + var playlistCodecsField = new StringBuilder(); + AppendPlaylistCodecsField(playlistCodecsField, state); + + // Force the video level to 5.0 + var originalLevel = state.VideoStream.Level; + state.VideoStream.Level = 150; + var newPlaylistCodecsField = new StringBuilder(); + AppendPlaylistCodecsField(newPlaylistCodecsField, state); + + // Restore the video level + state.VideoStream.Level = originalLevel; + var newPlaylist = ReplacePlaylistCodecsField(basicPlaylist, playlistCodecsField, newPlaylistCodecsField); + builder.Append(newPlaylist); + } + } if (EnableAdaptiveBitrateStreaming(state, isLiveStream, enableAdaptiveBitrateStreaming, _httpContextAccessor.HttpContext.GetNormalizedRemoteIp())) { @@ -212,40 +266,77 @@ namespace Jellyfin.Api.Helpers var variation = GetBitrateVariation(totalBitrate); var newBitrate = totalBitrate - variation; - var variantUrl = ReplaceBitrate(playlistUrl, requestedVideoBitrate, requestedVideoBitrate - variation); + var variantUrl = ReplaceVideoBitrate(playlistUrl, requestedVideoBitrate, requestedVideoBitrate - variation); AppendPlaylist(builder, state, variantUrl, newBitrate, subtitleGroup); variation *= 2; newBitrate = totalBitrate - variation; - variantUrl = ReplaceBitrate(playlistUrl, requestedVideoBitrate, requestedVideoBitrate - variation); + variantUrl = ReplaceVideoBitrate(playlistUrl, requestedVideoBitrate, requestedVideoBitrate - variation); AppendPlaylist(builder, state, variantUrl, newBitrate, subtitleGroup); } return new FileContentResult(Encoding.UTF8.GetBytes(builder.ToString()), MimeTypes.GetMimeType("playlist.m3u8")); } - private void AppendPlaylist(StringBuilder builder, StreamState state, string url, int bitrate, string? subtitleGroup) + private StringBuilder AppendPlaylist(StringBuilder builder, StreamState state, string url, int bitrate, string? subtitleGroup) { - builder.Append("#EXT-X-STREAM-INF:BANDWIDTH=") + var playlistBuilder = new StringBuilder(); + playlistBuilder.Append("#EXT-X-STREAM-INF:BANDWIDTH=") .Append(bitrate.ToString(CultureInfo.InvariantCulture)) .Append(",AVERAGE-BANDWIDTH=") .Append(bitrate.ToString(CultureInfo.InvariantCulture)); - AppendPlaylistCodecsField(builder, state); + AppendPlaylistVideoRangeField(playlistBuilder, state); - AppendPlaylistResolutionField(builder, state); + AppendPlaylistCodecsField(playlistBuilder, state); - AppendPlaylistFramerateField(builder, state); + AppendPlaylistResolutionField(playlistBuilder, state); + + AppendPlaylistFramerateField(playlistBuilder, state); if (!string.IsNullOrWhiteSpace(subtitleGroup)) { - builder.Append(",SUBTITLES=\"") + playlistBuilder.Append(",SUBTITLES=\"") .Append(subtitleGroup) .Append('"'); } - builder.Append(Environment.NewLine); - builder.AppendLine(url); + playlistBuilder.Append(Environment.NewLine); + playlistBuilder.AppendLine(url); + builder.Append(playlistBuilder); + + return playlistBuilder; + } + + /// + /// Appends a VIDEO-RANGE field containing the range of the output video stream. + /// + /// + /// StringBuilder to append the field to. + /// StreamState of the current stream. + private void AppendPlaylistVideoRangeField(StringBuilder builder, StreamState state) + { + if (state.VideoStream != null && !string.IsNullOrEmpty(state.VideoStream.VideoRange)) + { + var videoRange = state.VideoStream.VideoRange; + if (EncodingHelper.IsCopyCodec(state.OutputVideoCodec)) + { + if (string.Equals(videoRange, "SDR", StringComparison.OrdinalIgnoreCase)) + { + builder.Append(",VIDEO-RANGE=SDR"); + } + + if (string.Equals(videoRange, "HDR", StringComparison.OrdinalIgnoreCase)) + { + builder.Append(",VIDEO-RANGE=PQ"); + } + } + else + { + // Currently we only encode to SDR + builder.Append(",VIDEO-RANGE=SDR"); + } + } } /// @@ -414,25 +505,68 @@ namespace Jellyfin.Api.Helpers /// H.26X level of the output video stream. private int? GetOutputVideoCodecLevel(StreamState state) { - string? levelString; + string levelString = string.Empty; if (EncodingHelper.IsCopyCodec(state.OutputVideoCodec) + && state.VideoStream != null && state.VideoStream.Level.HasValue) { - levelString = state.VideoStream?.Level.ToString(); + levelString = state.VideoStream.Level.ToString(); } else { - levelString = state.GetRequestedLevel(state.ActualOutputVideoCodec); + if (string.Equals(state.ActualOutputVideoCodec, "h264", StringComparison.OrdinalIgnoreCase)) + { + levelString = state.GetRequestedLevel(state.ActualOutputVideoCodec) ?? "41"; + levelString = EncodingHelper.NormalizeTranscodingLevel(state, levelString); + } + + if (string.Equals(state.ActualOutputVideoCodec, "h265", StringComparison.OrdinalIgnoreCase) + || string.Equals(state.ActualOutputVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase)) + { + levelString = state.GetRequestedLevel("h265") ?? state.GetRequestedLevel("hevc") ?? "120"; + levelString = EncodingHelper.NormalizeTranscodingLevel(state, levelString); + } } if (int.TryParse(levelString, NumberStyles.Integer, CultureInfo.InvariantCulture, out var parsedLevel)) { return parsedLevel; } - return null; } + /// + /// Get the H.26X profile of the output video stream. + /// + /// StreamState of the current stream. + /// Video codec. + /// H.26X profile of the output video stream. + private string GetOutputVideoCodecProfile(StreamState state, string codec) + { + string profileString = string.Empty; + if (EncodingHelper.IsCopyCodec(state.OutputVideoCodec) + && !string.IsNullOrEmpty(state.VideoStream.Profile)) + { + profileString = state.VideoStream.Profile; + } + else if (!string.IsNullOrEmpty(codec)) + { + profileString = state.GetRequestedProfiles(codec).FirstOrDefault(); + if (string.Equals(state.ActualOutputVideoCodec, "h264", StringComparison.OrdinalIgnoreCase)) + { + profileString = profileString ?? "high"; + } + + if (string.Equals(state.ActualOutputVideoCodec, "h265", StringComparison.OrdinalIgnoreCase) + || string.Equals(state.ActualOutputVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase)) + { + profileString = profileString ?? "main"; + } + } + + return profileString; + } + /// /// Gets a formatted string of the output audio codec, for use in the CODECS field. /// @@ -463,6 +597,16 @@ namespace Jellyfin.Api.Helpers return HlsCodecStringHelpers.GetEAC3String(); } + if (string.Equals(state.ActualOutputAudioCodec, "flac", StringComparison.OrdinalIgnoreCase)) + { + return HlsCodecStringHelpers.GetFLACString(); + } + + if (string.Equals(state.ActualOutputAudioCodec, "alac", StringComparison.OrdinalIgnoreCase)) + { + return HlsCodecStringHelpers.GetALACString(); + } + return string.Empty; } @@ -487,15 +631,14 @@ namespace Jellyfin.Api.Helpers if (string.Equals(codec, "h264", StringComparison.OrdinalIgnoreCase)) { - string profile = state.GetRequestedProfiles("h264").FirstOrDefault(); + string profile = GetOutputVideoCodecProfile(state, "h264"); return HlsCodecStringHelpers.GetH264String(profile, level); } if (string.Equals(codec, "h265", StringComparison.OrdinalIgnoreCase) || string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase)) { - string profile = state.GetRequestedProfiles("h265").FirstOrDefault(); - + string profile = GetOutputVideoCodecProfile(state, "hevc"); return HlsCodecStringHelpers.GetH265String(profile, level); } @@ -539,12 +682,29 @@ namespace Jellyfin.Api.Helpers return variation; } - private string ReplaceBitrate(string url, int oldValue, int newValue) + private string ReplaceVideoBitrate(string url, int oldValue, int newValue) { return url.Replace( "videobitrate=" + oldValue.ToString(CultureInfo.InvariantCulture), "videobitrate=" + newValue.ToString(CultureInfo.InvariantCulture), StringComparison.OrdinalIgnoreCase); } + + private string ReplaceProfile(string url, string codec, string oldValue, string newValue) + { + return url.Replace( + codec + "-profile=" + oldValue.ToString(), + codec + "-profile=" + newValue.ToString(), + StringComparison.OrdinalIgnoreCase); + } + + private string ReplacePlaylistCodecsField(StringBuilder playlist, StringBuilder oldValue, StringBuilder newValue) + { + var oldPlaylist = playlist.ToString(); + return oldPlaylist.Replace( + oldValue.ToString(), + newValue.ToString(), + StringComparison.OrdinalIgnoreCase); + } } } diff --git a/Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs b/Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs index 95f1906ef..3d7a9d9a0 100644 --- a/Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs +++ b/Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs @@ -85,20 +85,21 @@ namespace Jellyfin.Api.Helpers // The h265 syntax is a bit of a mystery at the time this comment was written. // This is what I've found through various sources: // FORMAT: [codecTag].[profile].[constraint?].L[level * 30].[UNKNOWN] - StringBuilder result = new StringBuilder("hev1", 16); + StringBuilder result = new StringBuilder("hvc1", 16); - if (string.Equals(profile, "main10", StringComparison.OrdinalIgnoreCase)) + if (string.Equals(profile, "main10", StringComparison.OrdinalIgnoreCase) + || string.Equals(profile, "main 10", StringComparison.OrdinalIgnoreCase)) { - result.Append(".2.6"); + result.Append(".2.4"); } else { // Default to main if profile is invalid - result.Append(".1.6"); + result.Append(".1.4"); } result.Append(".L") - .Append(level * 3) + .Append(level) .Append(".B0"); return result.ToString(); @@ -121,5 +122,23 @@ namespace Jellyfin.Api.Helpers { return "mp4a.a6"; } + + /// + /// Gets an FLAC codec string. + /// + /// FLAC codec string. + public static string GetFLACString() + { + return "fLaC"; + } + + /// + /// Gets an ALAC codec string. + /// + /// ALAC codec string. + public static string GetALACString() + { + return "alac"; + } } } diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index 5846a603a..87670e2eb 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs @@ -7,6 +7,7 @@ using System.IO; using System.Linq; using System.Runtime.InteropServices; using System.Text; +using System.Text.RegularExpressions; using System.Threading; using Jellyfin.Data.Enums; using MediaBrowser.Controller.Entities; @@ -23,7 +24,7 @@ namespace MediaBrowser.Controller.MediaEncoding { public class EncodingHelper { - private readonly CultureInfo _usCulture = new CultureInfo("en-US"); + private static readonly CultureInfo _usCulture = new CultureInfo("en-US"); private readonly IMediaEncoder _mediaEncoder; private readonly IFileSystem _fileSystem; @@ -654,16 +655,26 @@ namespace MediaBrowser.Controller.MediaEncoding return string.Empty; } - public string NormalizeTranscodingLevel(string videoCodec, string level) + public static string NormalizeTranscodingLevel(EncodingJobInfo state, string level) { - // Clients may direct play higher than level 41, but there's no reason to transcode higher - if (double.TryParse(level, NumberStyles.Any, _usCulture, out double requestLevel) - && requestLevel > 41 - && (string.Equals(videoCodec, "h264", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoCodec, "h265", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoCodec, "hevc", StringComparison.OrdinalIgnoreCase))) + if (double.TryParse(level, NumberStyles.Any, _usCulture, out double requestLevel)) { - return "41"; + if (string.Equals(state.ActualOutputVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase) + || string.Equals(state.ActualOutputVideoCodec, "h265", StringComparison.OrdinalIgnoreCase)) + { + if (requestLevel >= 150) + { + return "150"; + } + } + else if (string.Equals(state.ActualOutputVideoCodec, "h264", StringComparison.OrdinalIgnoreCase)) + { + // Clients may direct play higher than level 41, but there's no reason to transcode higher + if (requestLevel >= 41) + { + return "41"; + } + } } return level; @@ -809,7 +820,8 @@ namespace MediaBrowser.Controller.MediaEncoding param += " -crf " + defaultCrf; } } - else if (string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase)) // h264 (h264_qsv) + else if (string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) // h264 (h264_qsv) + || string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase)) // hevc (hevc_qsv) { string[] valid_h264_qsv = { "veryslow", "slower", "slow", "medium", "fast", "faster", "veryfast" }; @@ -825,8 +837,9 @@ namespace MediaBrowser.Controller.MediaEncoding param += " -look_ahead 0"; } else if (string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) // h264 (h264_nvenc) - || string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase)) + || string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase)) // hevc (hevc_nvenc) { + // following preset will be deprecated in ffmpeg 4.4, use p1~p7 instead switch (encodingOptions.EncoderPreset) { case "veryslow": @@ -856,8 +869,8 @@ namespace MediaBrowser.Controller.MediaEncoding break; } } - else if (string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) + else if (string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) // h264 (h264_amf) + || string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) // hevc (hevc_amf) { switch (encodingOptions.EncoderPreset) { @@ -896,6 +909,11 @@ namespace MediaBrowser.Controller.MediaEncoding // Enhance workload when tone mapping with AMF on some APUs param += " -preanalysis true"; } + + if (string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) + { + param += " -header_insertion_mode gop -gops_per_idr 1"; + } } else if (string.Equals(videoEncoder, "libvpx", StringComparison.OrdinalIgnoreCase)) // webm { @@ -945,10 +963,24 @@ namespace MediaBrowser.Controller.MediaEncoding } var targetVideoCodec = state.ActualOutputVideoCodec; + if (string.Equals(targetVideoCodec, "h265", StringComparison.OrdinalIgnoreCase) + || string.Equals(targetVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase)) + { + targetVideoCodec = "hevc"; + } var profile = state.GetRequestedProfiles(targetVideoCodec).FirstOrDefault(); + profile = Regex.Replace(profile, @"\s+", String.Empty); - // vaapi does not support Baseline profile, force Constrained Baseline in this case, + // only libx264 support encoding H264 High 10 Profile, otherwise force High Profile + if (!string.Equals(videoEncoder, "libx264", StringComparison.OrdinalIgnoreCase) + && profile != null + && profile.IndexOf("high 10", StringComparison.OrdinalIgnoreCase) != -1) + { + profile = "high"; + } + + // h264_vaapi does not support Baseline profile, force Constrained Baseline in this case, // which is compatible (and ugly) if (string.Equals(videoEncoder, "h264_vaapi", StringComparison.OrdinalIgnoreCase) && profile != null @@ -957,6 +989,24 @@ namespace MediaBrowser.Controller.MediaEncoding profile = "constrained_baseline"; } + // libx264, h264_qsv and h264_nvenc does not support Constrained Baseline profile, force Baseline in this case + if ((string.Equals(videoEncoder, "libx264", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase)) + && profile != null + && profile.IndexOf("baseline", StringComparison.OrdinalIgnoreCase) != -1) + { + profile = "baseline"; + } + + // Currently hevc_amf only support encoding HEVC Main Profile, otherwise force Main Profile + if (!string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase) + && profile != null + && profile.IndexOf("main 10", StringComparison.OrdinalIgnoreCase) != -1) + { + profile = "main"; + } + if (!string.IsNullOrEmpty(profile)) { if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase) @@ -971,55 +1021,35 @@ namespace MediaBrowser.Controller.MediaEncoding if (!string.IsNullOrEmpty(level)) { - level = NormalizeTranscodingLevel(state.OutputVideoCodec, level); + level = NormalizeTranscodingLevel(state, level); - // h264_qsv and h264_nvenc expect levels to be expressed as a decimal. libx264 supports decimal and non-decimal format - // also needed for libx264 due to https://trac.ffmpeg.org/ticket/3307 + // libx264, QSV, AMF, VAAPI can adjust the given level to match the output if (string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "libx264", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase)) + || string.Equals(videoEncoder, "libx264", StringComparison.OrdinalIgnoreCase)) { - switch (level) + param += " -level " + level; + } + else if (string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase)) + { + // hevc_qsv use -level 51 instead of -level 153 + if (double.TryParse(level, NumberStyles.Any, _usCulture, out double hevcLevel)) { - case "30": - param += " -level 3.0"; - break; - case "31": - param += " -level 3.1"; - break; - case "32": - param += " -level 3.2"; - break; - case "40": - param += " -level 4.0"; - break; - case "41": - param += " -level 4.1"; - break; - case "42": - param += " -level 4.2"; - break; - case "50": - param += " -level 5.0"; - break; - case "51": - param += " -level 5.1"; - break; - case "52": - param += " -level 5.2"; - break; - default: - param += " -level " + level; - break; + param += " -level " + hevcLevel / 3; } } + else if (string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) + { + param += " -level " + level; + } else if (string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) || string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase)) { - // nvenc doesn't decode with param -level set ?! - // TODO: + // level option may cause NVENC to fail. + // NVENC cannot adjust the given level, just throw an error. } - else if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase)) + else if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase) + || !string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase)) { param += " -level " + level; } @@ -1032,7 +1062,11 @@ namespace MediaBrowser.Controller.MediaEncoding if (string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase)) { - // todo + // libx265 only accept level option in -x265-params + // level option may cause libx265 to fail + // libx265 cannot adjust the given level, just throw an error + // TODO: set fine tuned params + param += " -x265-params:0 no-info=1"; } if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase) @@ -1040,13 +1074,19 @@ namespace MediaBrowser.Controller.MediaEncoding && !string.Equals(videoEncoder, "h264_vaapi", StringComparison.OrdinalIgnoreCase) && !string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) && !string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) - && !string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase)) + && !string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "hevc_vaapi", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) { param = "-pix_fmt yuv420p " + param; } if (string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase)) + || string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) { var videoStream = state.VideoStream; var isColorDepth10 = IsColorDepth10(state); @@ -1708,7 +1748,8 @@ namespace MediaBrowser.Controller.MediaEncoding } // For QSV, feed it into hardware encoder now - if (isLinux && string.Equals(outputVideoCodec, "h264_qsv", StringComparison.OrdinalIgnoreCase)) + if (isLinux && (string.Equals(outputVideoCodec, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(outputVideoCodec, "hevc_qsv", StringComparison.OrdinalIgnoreCase))) { videoSizeParam += ",hwupload=extra_hw_frames=64"; } @@ -1729,7 +1770,8 @@ namespace MediaBrowser.Controller.MediaEncoding : " -filter_complex \"[{0}:{1}]{4}[sub];[0:{2}][sub]overlay\""; // When the input may or may not be hardware VAAPI decodable - if (string.Equals(outputVideoCodec, "h264_vaapi", StringComparison.OrdinalIgnoreCase)) + if (string.Equals(outputVideoCodec, "h264_vaapi", StringComparison.OrdinalIgnoreCase) + || string.Equals(outputVideoCodec, "hevc_vaapi", StringComparison.OrdinalIgnoreCase)) { /* [base]: HW scaling video to OutputSize @@ -1741,7 +1783,8 @@ namespace MediaBrowser.Controller.MediaEncoding // If we're hardware VAAPI decoding and software encoding, download frames from the decoder first else if (_mediaEncoder.SupportsHwaccel("vaapi") && videoDecoder.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1 - && string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase)) + && (string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase) + || string.Equals(outputVideoCodec, "libx265", StringComparison.OrdinalIgnoreCase))) { /* [base]: SW scaling video to OutputSize @@ -1750,7 +1793,8 @@ namespace MediaBrowser.Controller.MediaEncoding */ retStr = " -filter_complex \"[{0}:{1}]{4}[sub];[0:{2}]{3}[base];[base][sub]overlay\""; } - else if (string.Equals(outputVideoCodec, "h264_qsv", StringComparison.OrdinalIgnoreCase)) + else if (string.Equals(outputVideoCodec, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(outputVideoCodec, "hevc_qsv", StringComparison.OrdinalIgnoreCase)) { /* QSV in FFMpeg can now setup hardware overlay for transcodes. @@ -1776,7 +1820,7 @@ namespace MediaBrowser.Controller.MediaEncoding videoSizeParam); } - private (int? width, int? height) GetFixedOutputSize( + public static (int? width, int? height) GetFixedOutputSize( int? videoWidth, int? videoHeight, int? requestedWidth, @@ -1836,7 +1880,9 @@ namespace MediaBrowser.Controller.MediaEncoding requestedMaxHeight); if ((string.Equals(videoEncoder, "h264_vaapi", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase)) + || string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_vaapi", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase)) && width.HasValue && height.HasValue) { @@ -1845,7 +1891,8 @@ namespace MediaBrowser.Controller.MediaEncoding // output dimensions. Output dimensions are guaranteed to be even. var outputWidth = width.Value; var outputHeight = height.Value; - var qsv_or_vaapi = string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase); + var qsv_or_vaapi = string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase); var isDeintEnabled = state.DeInterlace("h264", true) || state.DeInterlace("avc", true) || state.DeInterlace("h265", true) @@ -2107,10 +2154,13 @@ namespace MediaBrowser.Controller.MediaEncoding var isD3d11vaDecoder = videoDecoder.IndexOf("d3d11va", StringComparison.OrdinalIgnoreCase) != -1; var isVaapiDecoder = videoDecoder.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1; var isVaapiH264Encoder = outputVideoCodec.IndexOf("h264_vaapi", StringComparison.OrdinalIgnoreCase) != -1; + var isVaapiHevcEncoder = outputVideoCodec.IndexOf("hevc_vaapi", StringComparison.OrdinalIgnoreCase) != -1; var isQsvH264Encoder = outputVideoCodec.IndexOf("h264_qsv", StringComparison.OrdinalIgnoreCase) != -1; + var isQsvHevcEncoder = outputVideoCodec.IndexOf("hevc_qsv", StringComparison.OrdinalIgnoreCase) != -1; var isNvdecH264Decoder = videoDecoder.IndexOf("h264_cuvid", StringComparison.OrdinalIgnoreCase) != -1; var isNvdecHevcDecoder = videoDecoder.IndexOf("hevc_cuvid", StringComparison.OrdinalIgnoreCase) != -1; var isLibX264Encoder = outputVideoCodec.IndexOf("libx264", StringComparison.OrdinalIgnoreCase) != -1; + var isLibX265Encoder = outputVideoCodec.IndexOf("libx265", StringComparison.OrdinalIgnoreCase) != -1; var isLinux = RuntimeInformation.IsOSPlatform(OSPlatform.Linux); var isColorDepth10 = IsColorDepth10(state); @@ -2185,6 +2235,7 @@ namespace MediaBrowser.Controller.MediaEncoding filters.Add("hwdownload"); if (isLibX264Encoder + || isLibX265Encoder || hasGraphicalSubs || (isNvdecHevcDecoder && isDeinterlaceHevc) || (!isNvdecHevcDecoder && isDeinterlaceH264 || isDeinterlaceHevc)) @@ -2195,20 +2246,20 @@ namespace MediaBrowser.Controller.MediaEncoding } // When the input may or may not be hardware VAAPI decodable - if (isVaapiH264Encoder) + if (isVaapiH264Encoder || isVaapiHevcEncoder) { filters.Add("format=nv12|vaapi"); filters.Add("hwupload"); } // When burning in graphical subtitles using overlay_qsv, upload videostream to the same qsv context - else if (isLinux && hasGraphicalSubs && isQsvH264Encoder) + else if (isLinux && hasGraphicalSubs && (isQsvH264Encoder || isQsvHevcEncoder)) { filters.Add("hwupload=extra_hw_frames=64"); } // If we're hardware VAAPI decoding and software encoding, download frames from the decoder first - else if (IsVaapiSupported(state) && isVaapiDecoder && isLibX264Encoder) + else if (IsVaapiSupported(state) && isVaapiDecoder && (isLibX264Encoder || isLibX265Encoder)) { var codec = videoStream.Codec.ToLowerInvariant(); @@ -2250,7 +2301,9 @@ namespace MediaBrowser.Controller.MediaEncoding // Add software deinterlace filter before scaling filter if ((isDeinterlaceH264 || isDeinterlaceHevc) && !isVaapiH264Encoder + && !isVaapiHevcEncoder && !isQsvH264Encoder + && !isQsvHevcEncoder && !isNvdecH264Decoder) { if (string.Equals(options.DeinterlaceMethod, "bwdif", StringComparison.OrdinalIgnoreCase)) @@ -2289,7 +2342,7 @@ namespace MediaBrowser.Controller.MediaEncoding } // Add parameters to use VAAPI with burn-in text subtitles (GH issue #642) - if (isVaapiH264Encoder) + if (isVaapiH264Encoder || isVaapiHevcEncoder) { if (hasTextSubs) { diff --git a/MediaBrowser.Model/Dlna/ResolutionNormalizer.cs b/MediaBrowser.Model/Dlna/ResolutionNormalizer.cs index a4305c810..102db3b44 100644 --- a/MediaBrowser.Model/Dlna/ResolutionNormalizer.cs +++ b/MediaBrowser.Model/Dlna/ResolutionNormalizer.cs @@ -15,7 +15,6 @@ namespace MediaBrowser.Model.Dlna new ResolutionConfiguration(720, 950000), new ResolutionConfiguration(1280, 2500000), new ResolutionConfiguration(1920, 4000000), - new ResolutionConfiguration(2560, 8000000), new ResolutionConfiguration(3840, 35000000) };