diff options
| -rw-r--r-- | Jellyfin.Api/Controllers/DynamicHlsController.cs | 206 | ||||
| -rw-r--r-- | Jellyfin.Api/Controllers/UniversalAudioController.cs | 7 | ||||
| -rw-r--r-- | Jellyfin.Api/Controllers/VideoHlsController.cs | 223 | ||||
| -rw-r--r-- | Jellyfin.Api/Helpers/DynamicHlsHelper.cs | 198 | ||||
| -rw-r--r-- | Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs | 92 | ||||
| -rw-r--r-- | Jellyfin.Api/Helpers/HlsHelpers.cs | 70 | ||||
| -rw-r--r-- | Jellyfin.Api/Helpers/StreamingHelpers.cs | 53 | ||||
| -rw-r--r-- | Jellyfin.Api/Helpers/TranscodingJobHelper.cs | 3 | ||||
| -rw-r--r-- | MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | 324 | ||||
| -rw-r--r-- | MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs | 10 | ||||
| -rw-r--r-- | MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs | 112 | ||||
| -rw-r--r-- | MediaBrowser.Model/Configuration/EncodingOptions.cs | 3 | ||||
| -rw-r--r-- | MediaBrowser.Model/Dlna/ResolutionNormalizer.cs | 9 | ||||
| -rw-r--r-- | MediaBrowser.Model/Dlna/StreamBuilder.cs | 72 | ||||
| -rw-r--r-- | MediaBrowser.Model/Dlna/StreamInfo.cs | 2 |
15 files changed, 1128 insertions, 256 deletions
diff --git a/Jellyfin.Api/Controllers/DynamicHlsController.cs b/Jellyfin.Api/Controllers/DynamicHlsController.cs index 6e59da798..28357091b 100644 --- a/Jellyfin.Api/Controllers/DynamicHlsController.cs +++ b/Jellyfin.Api/Controllers/DynamicHlsController.cs @@ -5,6 +5,7 @@ using System.Diagnostics.CodeAnalysis; using System.Globalization; using System.IO; using System.Linq; +using System.Runtime.InteropServices; using System.Text; using System.Threading; using System.Threading.Tasks; @@ -41,6 +42,9 @@ namespace Jellyfin.Api.Controllers [Authorize(Policy = Policies.DefaultAuthorization)] public class DynamicHlsController : BaseJellyfinApiController { + private const string DefaultEncoderPreset = "veryfast"; + private readonly TranscodingJobType _transcodingJobType = TranscodingJobType.Hls; + private readonly ILibraryManager _libraryManager; private readonly IUserManager _userManager; private readonly IDlnaManager _dlnaManager; @@ -56,8 +60,7 @@ namespace Jellyfin.Api.Controllers private readonly ILogger<DynamicHlsController> _logger; private readonly EncodingHelper _encodingHelper; private readonly DynamicHlsHelper _dynamicHlsHelper; - - private readonly TranscodingJobType _transcodingJobType = TranscodingJobType.Hls; + private readonly EncodingOptions _encodingOptions; /// <summary> /// Initializes a new instance of the <see cref="DynamicHlsController"/> class. @@ -92,6 +95,8 @@ namespace Jellyfin.Api.Controllers ILogger<DynamicHlsController> logger, DynamicHlsHelper dynamicHlsHelper) { + _encodingHelper = new EncodingHelper(mediaEncoder, fileSystem, subtitleEncoder, configuration); + _libraryManager = libraryManager; _userManager = userManager; _dlnaManager = dlnaManager; @@ -106,8 +111,7 @@ namespace Jellyfin.Api.Controllers _transcodingJobHelper = transcodingJobHelper; _logger = logger; _dynamicHlsHelper = dynamicHlsHelper; - - _encodingHelper = new EncodingHelper(_mediaEncoder, _fileSystem, _subtitleEncoder, _configuration); + _encodingOptions = serverConfigurationManager.GetEncodingOptions(); } /// <summary> @@ -1137,11 +1141,19 @@ 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() @@ -1151,6 +1163,18 @@ 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:") @@ -1233,7 +1257,13 @@ 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 init file is being requested"); + startTranscoding = true; + segmentId = 0; + } + else if (currentTranscodingIndex == null) { _logger.LogDebug("Starting transcoding because currentTranscodingIndex=null"); startTranscoding = true; @@ -1265,11 +1295,10 @@ namespace Jellyfin.Api.Controllers streamingRequest.StartTimeTicks = GetStartPositionTicks(state, segmentId); state.WaitForPath = segmentPath; - var encodingOptions = _serverConfigurationManager.GetEncodingOptions(); job = await _transcodingJobHelper.StartFfMpeg( state, playlistPath, - GetCommandLineArguments(playlistPath, encodingOptions, state, true, segmentId), + GetCommandLineArguments(playlistPath, state, true, segmentId), Request, _transcodingJobType, cancellationTokenSource).ConfigureAwait(false); @@ -1325,11 +1354,10 @@ namespace Jellyfin.Api.Controllers return result.ToArray(); } - private string GetCommandLineArguments(string outputPath, EncodingOptions encodingOptions, StreamState state, bool isEncoding, int startNumber) + private string GetCommandLineArguments(string outputPath, StreamState state, bool isEncoding, int startNumber) { - var videoCodec = _encodingHelper.GetVideoEncoder(state, encodingOptions); - - var threads = _encodingHelper.GetNumberOfThreads(state, encodingOptions, videoCodec); + var videoCodec = _encodingHelper.GetVideoEncoder(state, _encodingOptions); + var threads = _encodingHelper.GetNumberOfThreads(state, _encodingOptions, videoCodec); if (state.BaseRequest.BreakOnNonKeyFrames) { @@ -1341,36 +1369,57 @@ namespace Jellyfin.Api.Controllers state.BaseRequest.BreakOnNonKeyFrames = false; } - var inputModifier = _encodingHelper.GetInputModifier(state, encodingOptions); - // If isEncoding is true we're actually starting ffmpeg var startNumberParam = isEncoding ? startNumber.ToString(CultureInfo.InvariantCulture) : "0"; - + var inputModifier = _encodingHelper.GetInputModifier(state, _encodingOptions); var mapArgs = state.IsOutputVideo ? _encodingHelper.GetMapArgs(state) : string.Empty; var directory = Path.GetDirectoryName(outputPath) ?? throw new ArgumentException($"Provided path ({outputPath}) is not valid.", nameof(outputPath)); + var outputFileNameWithoutExtension = Path.GetFileNameWithoutExtension(outputPath); + var outputPrefix = Path.Combine(directory, outputFileNameWithoutExtension); + var outputExtension = GetSegmentFileExtension(state.Request.SegmentContainer); + var outputTsArg = outputPrefix + "%d" + outputExtension; - var outputTsArg = Path.Combine(directory, Path.GetFileNameWithoutExtension(outputPath)) + "%d" + GetSegmentFileExtension(state.Request.SegmentContainer); - - var segmentFormat = GetSegmentFileExtension(state.Request.SegmentContainer).TrimStart('.'); + var segmentFormat = outputExtension.TrimStart('.'); if (string.Equals(segmentFormat, "ts", StringComparison.OrdinalIgnoreCase)) { segmentFormat = "mpegts"; } + else if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase)) + { + var outputFmp4HeaderArg = string.Empty; + var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows); + if (isWindows) + { + // on Windows, the path of fmp4 header file needs to be configured + outputFmp4HeaderArg = " -hls_fmp4_init_filename \"" + outputPrefix + "-1" + outputExtension + "\""; + } + else + { + // on Linux/Unix, ffmpeg generate fmp4 header file to m3u8 output folder + outputFmp4HeaderArg = " -hls_fmp4_init_filename \"" + outputFileNameWithoutExtension + "-1" + outputExtension + "\""; + } + + segmentFormat = "fmp4" + outputFmp4HeaderArg; + } + else + { + _logger.LogError("Invalid HLS segment container: " + segmentFormat); + } - var maxMuxingQueueSize = encodingOptions.MaxMuxingQueueSize > 128 - ? encodingOptions.MaxMuxingQueueSize.ToString(CultureInfo.InvariantCulture) + var maxMuxingQueueSize = _encodingOptions.MaxMuxingQueueSize > 128 + ? _encodingOptions.MaxMuxingQueueSize.ToString(CultureInfo.InvariantCulture) : "128"; return string.Format( CultureInfo.InvariantCulture, - "{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -copyts -avoid_negative_ts disabled -max_muxing_queue_size {6} -f hls -max_delay 5000000 -hls_time {7} -individual_header_trailer 0 -hls_segment_type {8} -start_number {9} -hls_segment_filename \"{10}\" -hls_playlist_type vod -hls_list_size 0 -y \"{11}\"", + "{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -copyts -avoid_negative_ts disabled -max_muxing_queue_size {6} -f hls -max_delay 5000000 -hls_time {7} -hls_segment_type {8} -start_number {9} -hls_segment_filename \"{10}\" -hls_playlist_type vod -hls_list_size 0 -y \"{11}\"", inputModifier, - _encodingHelper.GetInputArgument(state, encodingOptions), + _encodingHelper.GetInputArgument(state, _encodingOptions), threads, mapArgs, - GetVideoArguments(state, encodingOptions, startNumber), - GetAudioArguments(state, encodingOptions), + GetVideoArguments(state, startNumber), + GetAudioArguments(state), maxMuxingQueueSize, state.SegmentLength.ToString(CultureInfo.InvariantCulture), segmentFormat, @@ -1379,15 +1428,37 @@ namespace Jellyfin.Api.Controllers outputPath).Trim(); } - private string GetAudioArguments(StreamState state, EncodingOptions encodingOptions) + /// <summary> + /// Gets the audio arguments for transcoding. + /// </summary> + /// <param name="state">The <see cref="StreamState"/>.</param> + /// <returns>The command line arguments for audio transcoding.</returns> + private string GetAudioArguments(StreamState state) { + if (state.AudioStream == null) + { + return string.Empty; + } + var audioCodec = _encodingHelper.GetAudioEncoder(state); if (!state.IsOutputVideo) { if (EncodingHelper.IsCopyCodec(audioCodec)) { - return "-acodec copy"; + var segmentFormat = HlsHelpers.GetSegmentFileExtension(state.Request.SegmentContainer).TrimStart('.'); + var bitStreamArgs = string.Empty; + + // Apply aac_adtstoasc bitstream filter when media source is in mpegts. + if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase) + && (string.Equals(state.MediaSource.Container, "mpegts", StringComparison.OrdinalIgnoreCase) + || string.Equals(state.MediaSource.Container, "hls", StringComparison.OrdinalIgnoreCase))) + { + bitStreamArgs = _encodingHelper.GetBitStreamArgs(state.AudioStream); + bitStreamArgs = string.IsNullOrEmpty(bitStreamArgs) ? string.Empty : " " + bitStreamArgs; + } + + return "-acodec copy -strict -2" + bitStreamArgs; } var audioTranscodeParams = new List<string>(); @@ -1415,14 +1486,25 @@ namespace Jellyfin.Api.Controllers if (EncodingHelper.IsCopyCodec(audioCodec)) { - var videoCodec = _encodingHelper.GetVideoEncoder(state, encodingOptions); + var videoCodec = _encodingHelper.GetVideoEncoder(state, _encodingOptions); + var segmentFormat = HlsHelpers.GetSegmentFileExtension(state.Request.SegmentContainer).TrimStart('.'); + var bitStreamArgs = string.Empty; + + // Apply aac_adtstoasc bitstream filter when media source is in mpegts. + if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase) + && (string.Equals(state.MediaSource.Container, "mpegts", StringComparison.OrdinalIgnoreCase) + || string.Equals(state.MediaSource.Container, "hls", StringComparison.OrdinalIgnoreCase))) + { + bitStreamArgs = _encodingHelper.GetBitStreamArgs(state.AudioStream); + bitStreamArgs = string.IsNullOrEmpty(bitStreamArgs) ? string.Empty : " " + bitStreamArgs; + } 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" + bitStreamArgs; } - return "-codec:a:0 copy"; + return "-codec:a:0 copy -strict -2" + bitStreamArgs; } var args = "-codec:a:0 " + audioCodec; @@ -1446,28 +1528,48 @@ namespace Jellyfin.Api.Controllers args += " -ar " + state.OutputAudioSampleRate.Value.ToString(CultureInfo.InvariantCulture); } - args += " " + _encodingHelper.GetAudioFilterParam(state, encodingOptions, true); + args += " " + _encodingHelper.GetAudioFilterParam(state, _encodingOptions, true); return args; } - private string GetVideoArguments(StreamState state, EncodingOptions encodingOptions, int startNumber) + /// <summary> + /// Gets the video arguments for transcoding. + /// </summary> + /// <param name="state">The <see cref="StreamState"/>.</param> + /// <param name="startNumber">The first number in the hls sequence.</param> + /// <returns>The command line arguments for video transcoding.</returns> + private string GetVideoArguments(StreamState state, int startNumber) { + if (state.VideoStream == null) + { + return string.Empty; + } + if (!state.IsOutputVideo) { return string.Empty; } - var codec = _encodingHelper.GetVideoEncoder(state, encodingOptions); + var codec = _encodingHelper.GetVideoEncoder(state, _encodingOptions); 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"; // } - // See if we can save come cpu cycles by avoiding encoding + // See if we can save come cpu cycles by avoiding encoding. if (EncodingHelper.IsCopyCodec(codec)) { if (state.VideoStream != null && !string.Equals(state.VideoStream.NalLengthSize, "0", StringComparison.OrdinalIgnoreCase)) @@ -1479,6 +1581,8 @@ namespace Jellyfin.Api.Controllers } } + args += " -start_at_zero"; + // args += " -flags -global_header"; } else @@ -1491,49 +1595,63 @@ namespace Jellyfin.Api.Controllers state.SegmentLength); var framerate = state.VideoStream?.RealFrameRate; - if (framerate.HasValue) { // This is to make sure keyframe interval is limited to our segment, // as forcing keyframes is not enough. // Example: we encoded half of desired length, then codec detected // scene cut and inserted a keyframe; next forced keyframe would - // be created outside of segment, which breaks seeking - // -sc_threshold 0 is used to prevent the hardware encoder from post processing to break the set keyframe + // be created outside of segment, which breaks seeking. + // -sc_threshold 0 is used to prevent the hardware encoder from post processing to break the set keyframe. gopArg = string.Format( CultureInfo.InvariantCulture, " -g {0} -keyint_min {0} -sc_threshold 0", Math.Ceiling(state.SegmentLength * framerate.Value)); } - args += " " + _encodingHelper.GetVideoQualityParam(state, codec, encodingOptions, "veryfast"); + args += " " + _encodingHelper.GetVideoQualityParam(state, codec, _encodingOptions, DefaultEncoderPreset); - // 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) + || string.Equals(codec, "h264_vaapi", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_vaapi", 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; - // This is for graphical subs if (hasGraphicalSubs) { - args += _encodingHelper.GetGraphicalSubtitleParam(state, encodingOptions, codec); + // Graphical subs overlay and resolution params. + args += _encodingHelper.GetGraphicalSubtitleParam(state, _encodingOptions, codec); } - - // Add resolution params, if specified else { - args += _encodingHelper.GetOutputSizeParam(state, encodingOptions, codec); + // Resolution params. + args += _encodingHelper.GetOutputSizeParam(state, _encodingOptions, codec); } // -start_at_zero is necessary to use with -ss when seeking, 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/Controllers/VideoHlsController.cs b/Jellyfin.Api/Controllers/VideoHlsController.cs index 389dc8a08..b03402c1b 100644 --- a/Jellyfin.Api/Controllers/VideoHlsController.cs +++ b/Jellyfin.Api/Controllers/VideoHlsController.cs @@ -3,6 +3,7 @@ using System.Collections.Generic; using System.ComponentModel.DataAnnotations; using System.Globalization; using System.IO; +using System.Runtime.InteropServices; using System.Threading; using System.Threading.Tasks; using Jellyfin.Api.Attributes; @@ -38,7 +39,7 @@ namespace Jellyfin.Api.Controllers public class VideoHlsController : BaseJellyfinApiController { private const string DefaultEncoderPreset = "superfast"; - private const TranscodingJobType TranscodingJobType = MediaBrowser.Controller.MediaEncoding.TranscodingJobType.Hls; + private readonly TranscodingJobType _transcodingJobType = TranscodingJobType.Hls; private readonly EncodingHelper _encodingHelper; private readonly IDlnaManager _dlnaManager; @@ -291,30 +292,30 @@ namespace Jellyfin.Api.Controllers _dlnaManager, _deviceManager, _transcodingJobHelper, - TranscodingJobType, + _transcodingJobType, cancellationTokenSource.Token) .ConfigureAwait(false); TranscodingJobDto? job = null; - var playlist = state.OutputFilePath; + var playlistPath = Path.ChangeExtension(state.OutputFilePath, ".m3u8"); - if (!System.IO.File.Exists(playlist)) + if (!System.IO.File.Exists(playlistPath)) { - var transcodingLock = _transcodingJobHelper.GetTranscodingLock(playlist); + var transcodingLock = _transcodingJobHelper.GetTranscodingLock(playlistPath); await transcodingLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false); try { - if (!System.IO.File.Exists(playlist)) + if (!System.IO.File.Exists(playlistPath)) { // If the playlist doesn't already exist, startup ffmpeg try { job = await _transcodingJobHelper.StartFfMpeg( state, - playlist, - GetCommandLineArguments(playlist, state), + playlistPath, + GetCommandLineArguments(playlistPath, state), Request, - TranscodingJobType, + _transcodingJobType, cancellationTokenSource) .ConfigureAwait(false); job.IsLiveOutput = true; @@ -328,7 +329,7 @@ namespace Jellyfin.Api.Controllers minSegments = state.MinSegments; if (minSegments > 0) { - await HlsHelpers.WaitForMinimumSegmentCount(playlist, minSegments, _logger, cancellationTokenSource.Token).ConfigureAwait(false); + await HlsHelpers.WaitForMinimumSegmentCount(playlistPath, minSegments, _logger, cancellationTokenSource.Token).ConfigureAwait(false); } } } @@ -338,14 +339,14 @@ namespace Jellyfin.Api.Controllers } } - job ??= _transcodingJobHelper.OnTranscodeBeginRequest(playlist, TranscodingJobType); + job ??= _transcodingJobHelper.OnTranscodeBeginRequest(playlistPath, _transcodingJobType); if (job != null) { _transcodingJobHelper.OnTranscodeEndRequest(job); } - var playlistText = HlsHelpers.GetLivePlaylistText(playlist, state.SegmentLength); + var playlistText = HlsHelpers.GetLivePlaylistText(playlistPath, state); return Content(playlistText, MimeTypes.GetMimeType("playlist.m3u8")); } @@ -361,15 +362,44 @@ namespace Jellyfin.Api.Controllers var videoCodec = _encodingHelper.GetVideoEncoder(state, _encodingOptions); var threads = _encodingHelper.GetNumberOfThreads(state, _encodingOptions, videoCodec); var inputModifier = _encodingHelper.GetInputModifier(state, _encodingOptions); - var format = !string.IsNullOrWhiteSpace(state.Request.SegmentContainer) ? "." + state.Request.SegmentContainer : ".ts"; + var mapArgs = state.IsOutputVideo ? _encodingHelper.GetMapArgs(state) : string.Empty; + var directory = Path.GetDirectoryName(outputPath) ?? throw new ArgumentException($"Provided path ({outputPath}) is not valid.", nameof(outputPath)); - var outputTsArg = Path.Combine(directory, Path.GetFileNameWithoutExtension(outputPath)) + "%d" + format; + var outputFileNameWithoutExtension = Path.GetFileNameWithoutExtension(outputPath); + var outputPrefix = Path.Combine(directory, outputFileNameWithoutExtension); + var outputExtension = HlsHelpers.GetSegmentFileExtension(state.Request.SegmentContainer); + var outputTsArg = outputPrefix + "%d" + outputExtension; - var segmentFormat = format.TrimStart('.'); + var segmentFormat = outputExtension.TrimStart('.'); if (string.Equals(segmentFormat, "ts", StringComparison.OrdinalIgnoreCase)) { segmentFormat = "mpegts"; } + else if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase)) + { + var outputFmp4HeaderArg = string.Empty; + var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows); + if (isWindows) + { + // on Windows, the path of fmp4 header file needs to be configured + outputFmp4HeaderArg = " -hls_fmp4_init_filename \"" + outputPrefix + "-1" + outputExtension + "\""; + } + else + { + // on Linux/Unix, ffmpeg generate fmp4 header file to m3u8 output folder + outputFmp4HeaderArg = " -hls_fmp4_init_filename \"" + outputFileNameWithoutExtension + "-1" + outputExtension + "\""; + } + + segmentFormat = "fmp4" + outputFmp4HeaderArg; + } + else + { + _logger.LogError("Invalid HLS segment container: " + segmentFormat); + } + + var maxMuxingQueueSize = _encodingOptions.MaxMuxingQueueSize > 128 + ? _encodingOptions.MaxMuxingQueueSize.ToString(CultureInfo.InvariantCulture) + : "128"; var baseUrlParam = string.Format( CultureInfo.InvariantCulture, @@ -378,20 +408,19 @@ namespace Jellyfin.Api.Controllers return string.Format( CultureInfo.InvariantCulture, - "{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -f segment -max_delay 5000000 -avoid_negative_ts disabled -start_at_zero -segment_time {6} {7} -individual_header_trailer 0 -segment_format {8} -segment_list_entry_prefix {9} -segment_list_type m3u8 -segment_start_number 0 -segment_list \"{10}\" -y \"{11}\"", + "{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -copyts -avoid_negative_ts disabled -max_muxing_queue_size {6} -f hls -max_delay 5000000 -hls_time {7} -hls_segment_type {8} -start_number 0 -hls_base_url {9} -hls_playlist_type event -hls_segment_filename \"{10}\" -y \"{11}\"", inputModifier, _encodingHelper.GetInputArgument(state, _encodingOptions), threads, - _encodingHelper.GetMapArgs(state), + mapArgs, GetVideoArguments(state), GetAudioArguments(state), + maxMuxingQueueSize, state.SegmentLength.ToString(CultureInfo.InvariantCulture), - string.Empty, segmentFormat, baseUrlParam, - outputPath, - outputTsArg) - .Trim(); + outputTsArg, + outputPath).Trim(); } /// <summary> @@ -401,14 +430,73 @@ namespace Jellyfin.Api.Controllers /// <returns>The command line arguments for audio transcoding.</returns> private string GetAudioArguments(StreamState state) { - var codec = _encodingHelper.GetAudioEncoder(state); + if (state.AudioStream == null) + { + return string.Empty; + } - if (EncodingHelper.IsCopyCodec(codec)) + var audioCodec = _encodingHelper.GetAudioEncoder(state); + + if (!state.IsOutputVideo) { - return "-codec:a:0 copy"; + if (EncodingHelper.IsCopyCodec(audioCodec)) + { + var segmentFormat = HlsHelpers.GetSegmentFileExtension(state.Request.SegmentContainer).TrimStart('.'); + var bitStreamArgs = string.Empty; + + // Apply aac_adtstoasc bitstream filter when media source is in mpegts. + if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase) + && (string.Equals(state.MediaSource.Container, "mpegts", StringComparison.OrdinalIgnoreCase) + || string.Equals(state.MediaSource.Container, "hls", StringComparison.OrdinalIgnoreCase))) + { + bitStreamArgs = _encodingHelper.GetBitStreamArgs(state.AudioStream); + bitStreamArgs = string.IsNullOrEmpty(bitStreamArgs) ? string.Empty : " " + bitStreamArgs; + } + + return "-acodec copy -strict -2" + bitStreamArgs; + } + + var audioTranscodeParams = new List<string>(); + + audioTranscodeParams.Add("-acodec " + audioCodec); + + if (state.OutputAudioBitrate.HasValue) + { + audioTranscodeParams.Add("-ab " + state.OutputAudioBitrate.Value.ToString(CultureInfo.InvariantCulture)); + } + + if (state.OutputAudioChannels.HasValue) + { + audioTranscodeParams.Add("-ac " + state.OutputAudioChannels.Value.ToString(CultureInfo.InvariantCulture)); + } + + if (state.OutputAudioSampleRate.HasValue) + { + audioTranscodeParams.Add("-ar " + state.OutputAudioSampleRate.Value.ToString(CultureInfo.InvariantCulture)); + } + + audioTranscodeParams.Add("-vn"); + return string.Join(' ', audioTranscodeParams); } - var args = "-codec:a:0 " + codec; + if (EncodingHelper.IsCopyCodec(audioCodec)) + { + var segmentFormat = HlsHelpers.GetSegmentFileExtension(state.Request.SegmentContainer).TrimStart('.'); + var bitStreamArgs = string.Empty; + + // Apply aac_adtstoasc bitstream filter when media source is in mpegts. + if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase) + && (string.Equals(state.MediaSource.Container, "mpegts", StringComparison.OrdinalIgnoreCase) + || string.Equals(state.MediaSource.Container, "hls", StringComparison.OrdinalIgnoreCase))) + { + bitStreamArgs = _encodingHelper.GetBitStreamArgs(state.AudioStream); + bitStreamArgs = !string.IsNullOrEmpty(bitStreamArgs) ? " " + bitStreamArgs : string.Empty; + } + + return "-acodec copy -strict -2" + bitStreamArgs; + } + + var args = "-codec:a:0 " + audioCodec; var channels = state.OutputAudioChannels; @@ -441,6 +529,11 @@ namespace Jellyfin.Api.Controllers /// <returns>The command line arguments for video transcoding.</returns> private string GetVideoArguments(StreamState state) { + if (state.VideoStream == null) + { + return string.Empty; + } + if (!state.IsOutputVideo) { return string.Empty; @@ -450,17 +543,25 @@ 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"; // } - // See if we can save come cpu cycles by avoiding encoding - if (codec.Equals("copy", StringComparison.OrdinalIgnoreCase)) + // See if we can save come cpu cycles by avoiding encoding. + if (EncodingHelper.IsCopyCodec(codec)) { - // if h264_mp4toannexb is ever added, do not use it for live tv - if (state.VideoStream != null && - !string.Equals(state.VideoStream.NalLengthSize, "0", StringComparison.OrdinalIgnoreCase)) + // If h264_mp4toannexb is ever added, do not use it for live tv. + if (state.VideoStream != null && !string.Equals(state.VideoStream.NalLengthSize, "0", StringComparison.OrdinalIgnoreCase)) { string bitStreamArgs = _encodingHelper.GetBitStreamArgs(state.VideoStream); if (!string.IsNullOrEmpty(bitStreamArgs)) @@ -468,29 +569,79 @@ namespace Jellyfin.Api.Controllers args += " " + bitStreamArgs; } } + + args += " -start_at_zero"; } else { + var gopArg = string.Empty; var keyFrameArg = string.Format( CultureInfo.InvariantCulture, " -force_key_frames \"expr:gte(t,n_forced*{0})\"", state.SegmentLength.ToString(CultureInfo.InvariantCulture)); - var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode; + var framerate = state.VideoStream?.RealFrameRate; + if (framerate.HasValue) + { + // This is to make sure keyframe interval is limited to our segment, + // as forcing keyframes is not enough. + // Example: we encoded half of desired length, then codec detected + // scene cut and inserted a keyframe; next forced keyframe would + // be created outside of segment, which breaks seeking. + // -sc_threshold 0 is used to prevent the hardware encoder from post processing to break the set keyframe. + gopArg = string.Format( + CultureInfo.InvariantCulture, + " -g {0} -keyint_min {0} -sc_threshold 0", + Math.Ceiling(state.SegmentLength * framerate.Value)); + } - args += " " + _encodingHelper.GetVideoQualityParam(state, codec, _encodingOptions, DefaultEncoderPreset) + keyFrameArg; + args += " " + _encodingHelper.GetVideoQualityParam(state, codec, _encodingOptions, DefaultEncoderPreset); - // Add resolution params, if specified - if (!hasGraphicalSubs) + // 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, "hevc_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_nvenc", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_amf", StringComparison.OrdinalIgnoreCase)) { - args += _encodingHelper.GetOutputSizeParam(state, _encodingOptions, codec); + args += " " + gopArg; + } + else if (string.Equals(codec, "libx264", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "libx265", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "h264_vaapi", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_vaapi", 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"; } - // This is for internal graphical subs + var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode; + if (hasGraphicalSubs) { + // Graphical subs overlay and resolution params. args += _encodingHelper.GetGraphicalSubtitleParam(state, _encodingOptions, codec); } + else + { + // Resolution params. + args += _encodingHelper.GetOutputSizeParam(state, _encodingOptions, codec); + } + + if (!(state.SubtitleStream != null && state.SubtitleStream.IsExternal && !state.SubtitleStream.IsTextSubtitleStream)) + { + args += " -start_at_zero"; + } } args += " -flags -global_header"; diff --git a/Jellyfin.Api/Helpers/DynamicHlsHelper.cs b/Jellyfin.Api/Helpers/DynamicHlsHelper.cs index e7fac50c6..2e89e0b03 100644 --- a/Jellyfin.Api/Helpers/DynamicHlsHelper.cs +++ b/Jellyfin.Api/Helpers/DynamicHlsHelper.cs @@ -207,7 +207,61 @@ 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, 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())) { @@ -217,40 +271,77 @@ 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); + + AppendPlaylistCodecsField(playlistBuilder, state); - AppendPlaylistResolutionField(builder, state); + AppendPlaylistResolutionField(playlistBuilder, state); - AppendPlaylistFramerateField(builder, 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; + } + + /// <summary> + /// Appends a VIDEO-RANGE field containing the range of the output video stream. + /// </summary> + /// <seealso cref="AppendPlaylist(StringBuilder, StreamState, string, int, string)"/> + /// <param name="builder">StringBuilder to append the field to.</param> + /// <param name="state">StreamState of the current stream.</param> + 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"); + } + } } /// <summary> @@ -419,15 +510,27 @@ namespace Jellyfin.Api.Helpers /// <returns>H.26X level of the output video stream.</returns> 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)) @@ -439,6 +542,38 @@ namespace Jellyfin.Api.Helpers } /// <summary> + /// Get the H.26X profile of the output video stream. + /// </summary> + /// <param name="state">StreamState of the current stream.</param> + /// <param name="codec">Video codec.</param> + /// <returns>H.26X profile of the output video stream.</returns> + 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; + } + + /// <summary> /// Gets a formatted string of the output audio codec, for use in the CODECS field. /// </summary> /// <seealso cref="AppendPlaylistCodecsField(StringBuilder, StreamState)"/> @@ -468,6 +603,16 @@ 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; } @@ -492,15 +637,14 @@ 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); } @@ -544,12 +688,30 @@ 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) + { + string profileStr = codec + "-profile="; + return url.Replace( + profileStr + oldValue, + profileStr + newValue, + 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 1bd3d67ff..a5369c441 100644 --- a/Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs +++ b/Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs @@ -10,12 +10,37 @@ namespace Jellyfin.Api.Helpers public static class HlsCodecStringHelpers { /// <summary> + /// Codec name for MP3. + /// </summary> + public const string MP3 = "mp4a.40.34"; + + /// <summary> + /// Codec name for AC-3. + /// </summary> + public const string AC3 = "mp4a.a5"; + + /// <summary> + /// Codec name for E-AC-3. + /// </summary> + public const string EAC3 = "mp4a.a6"; + + /// <summary> + /// Codec name for FLAC. + /// </summary> + public const string FLAC = "fLaC"; + + /// <summary> + /// Codec name for ALAC. + /// </summary> + public const string ALAC = "alac"; + + /// <summary> /// Gets a MP3 codec string. /// </summary> /// <returns>MP3 codec string.</returns> public static string GetMP3String() { - return "mp4a.40.34"; + return MP3; } /// <summary> @@ -41,6 +66,42 @@ namespace Jellyfin.Api.Helpers } /// <summary> + /// Gets an AC-3 codec string. + /// </summary> + /// <returns>AC-3 codec string.</returns> + public static string GetAC3String() + { + return AC3; + } + + /// <summary> + /// Gets an E-AC-3 codec string. + /// </summary> + /// <returns>E-AC-3 codec string.</returns> + public static string GetEAC3String() + { + return EAC3; + } + + /// <summary> + /// Gets an FLAC codec string. + /// </summary> + /// <returns>FLAC codec string.</returns> + public static string GetFLACString() + { + return FLAC; + } + + /// <summary> + /// Gets an ALAC codec string. + /// </summary> + /// <returns>ALAC codec string.</returns> + public static string GetALACString() + { + return ALAC; + } + + /// <summary> /// Gets a H.264 codec string. /// </summary> /// <param name="profile">H.264 profile.</param> @@ -85,41 +146,24 @@ 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(); } - - /// <summary> - /// Gets an AC-3 codec string. - /// </summary> - /// <returns>AC-3 codec string.</returns> - public static string GetAC3String() - { - return "mp4a.a5"; - } - - /// <summary> - /// Gets an E-AC-3 codec string. - /// </summary> - /// <returns>E-AC-3 codec string.</returns> - public static string GetEAC3String() - { - return "mp4a.a6"; - } } } diff --git a/Jellyfin.Api/Helpers/HlsHelpers.cs b/Jellyfin.Api/Helpers/HlsHelpers.cs index 45ce90566..d265e80b2 100644 --- a/Jellyfin.Api/Helpers/HlsHelpers.cs +++ b/Jellyfin.Api/Helpers/HlsHelpers.cs @@ -1,8 +1,10 @@ using System; using System.Globalization; using System.IO; +using System.Runtime.InteropServices; using System.Threading; using System.Threading.Tasks; +using Jellyfin.Api.Models.StreamingDtos; using MediaBrowser.Model.IO; using Microsoft.Extensions.Logging; @@ -75,24 +77,78 @@ namespace Jellyfin.Api.Helpers } /// <summary> + /// Gets the extension of segment container. + /// </summary> + /// <param name="segmentContainer">The name of the segment container.</param> + /// <returns>The string text of extension.</returns> + public static string GetSegmentFileExtension(string? segmentContainer) + { + if (!string.IsNullOrWhiteSpace(segmentContainer)) + { + return "." + segmentContainer; + } + + return ".ts"; + } + + /// <summary> + /// Gets the #EXT-X-MAP string. + /// </summary> + /// <param name="outputPath">The output path of the file.</param> + /// <param name="state">The <see cref="StreamState"/>.</param> + /// <param name="isOsDepends">Get a normal string or depends on OS.</param> + /// <returns>The string text of #EXT-X-MAP.</returns> + public static string GetFmp4InitFileName(string outputPath, StreamState state, bool isOsDepends) + { + var outputFileNameWithoutExtension = Path.GetFileNameWithoutExtension(outputPath); + var outputPrefix = Path.Combine(Path.GetDirectoryName(outputPath), outputFileNameWithoutExtension); + var outputExtension = GetSegmentFileExtension(state.Request.SegmentContainer); + + // on Linux/Unix + // #EXT-X-MAP:URI="prefix-1.mp4" + var fmp4InitFileName = outputFileNameWithoutExtension + "-1" + outputExtension; + if (!isOsDepends) + { + return fmp4InitFileName; + } + + var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows); + if (isWindows) + { + // on Windows + // #EXT-X-MAP:URI="X:\transcodes\prefix-1.mp4" + fmp4InitFileName = outputPrefix + "-1" + outputExtension; + } + + return fmp4InitFileName; + } + + /// <summary> /// Gets the hls playlist text. /// </summary> /// <param name="path">The path to the playlist file.</param> - /// <param name="segmentLength">The segment length.</param> + /// <param name="state">The <see cref="StreamState"/>.</param> /// <returns>The playlist text as a string.</returns> - public static string GetLivePlaylistText(string path, int segmentLength) + public static string GetLivePlaylistText(string path, StreamState state) { using var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite); using var reader = new StreamReader(stream); var text = reader.ReadToEnd(); - text = text.Replace("#EXTM3U", "#EXTM3U\n#EXT-X-PLAYLIST-TYPE:EVENT", StringComparison.InvariantCulture); - - var newDuration = "#EXT-X-TARGETDURATION:" + segmentLength.ToString(CultureInfo.InvariantCulture); + var segmentFormat = GetSegmentFileExtension(state.Request.SegmentContainer).TrimStart('.'); + if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase)) + { + var fmp4InitFileName = GetFmp4InitFileName(path, state, true); + var baseUrlParam = string.Format( + CultureInfo.InvariantCulture, + "hls/{0}/", + Path.GetFileNameWithoutExtension(path)); + var newFmp4InitFileName = baseUrlParam + GetFmp4InitFileName(path, state, false); - text = text.Replace("#EXT-X-TARGETDURATION:" + (segmentLength - 1).ToString(CultureInfo.InvariantCulture), newDuration, StringComparison.OrdinalIgnoreCase); - // text = text.Replace("#EXT-X-TARGETDURATION:" + (segmentLength + 1).ToString(CultureInfo.InvariantCulture), newDuration, StringComparison.OrdinalIgnoreCase); + // Replace fMP4 init file URI. + text = text.Replace(fmp4InitFileName, newFmp4InitFileName, StringComparison.InvariantCulture); + } return text; } diff --git a/Jellyfin.Api/Helpers/StreamingHelpers.cs b/Jellyfin.Api/Helpers/StreamingHelpers.cs index 0566f4c4d..c6d844c4f 100644 --- a/Jellyfin.Api/Helpers/StreamingHelpers.cs +++ b/Jellyfin.Api/Helpers/StreamingHelpers.cs @@ -169,7 +169,9 @@ namespace Jellyfin.Api.Helpers state.DirectStreamProvider = liveStreamInfo.Item2; } - encodingHelper.AttachMediaSourceInfo(state, mediaSource, url); + var encodingOptions = serverConfigurationManager.GetEncodingOptions(); + + encodingHelper.AttachMediaSourceInfo(state, encodingOptions, mediaSource, url); string? containerInternal = Path.GetExtension(state.RequestedUrl); @@ -187,7 +189,7 @@ namespace Jellyfin.Api.Helpers state.OutputContainer = (containerInternal ?? string.Empty).TrimStart('.'); - state.OutputAudioBitrate = encodingHelper.GetAudioBitrateParam(streamingRequest.AudioBitRate, state.AudioStream); + state.OutputAudioBitrate = encodingHelper.GetAudioBitrateParam(streamingRequest.AudioBitRate, streamingRequest.AudioCodec, state.AudioStream); state.OutputAudioCodec = streamingRequest.AudioCodec; @@ -200,20 +202,41 @@ namespace Jellyfin.Api.Helpers encodingHelper.TryStreamCopy(state); - if (state.OutputVideoBitrate.HasValue && !EncodingHelper.IsCopyCodec(state.OutputVideoCodec)) + if (!EncodingHelper.IsCopyCodec(state.OutputVideoCodec) && state.OutputVideoBitrate.HasValue) { - var resolution = ResolutionNormalizer.Normalize( - state.VideoStream?.BitRate, - state.VideoStream?.Width, - state.VideoStream?.Height, - state.OutputVideoBitrate.Value, - state.VideoStream?.Codec, - state.OutputVideoCodec, - state.VideoRequest.MaxWidth, - state.VideoRequest.MaxHeight); - - state.VideoRequest.MaxWidth = resolution.MaxWidth; - state.VideoRequest.MaxHeight = resolution.MaxHeight; + var isVideoResolutionNotRequested = !state.VideoRequest.Width.HasValue + && !state.VideoRequest.Height.HasValue + && !state.VideoRequest.MaxWidth.HasValue + && !state.VideoRequest.MaxHeight.HasValue; + + if (isVideoResolutionNotRequested + && state.VideoRequest.VideoBitRate.HasValue + && state.VideoStream.BitRate.HasValue + && state.VideoRequest.VideoBitRate.Value >= state.VideoStream.BitRate.Value) + { + // Don't downscale the resolution if the width/height/MaxWidth/MaxHeight is not requested, + // and the requested video bitrate is higher than source video bitrate. + if (state.VideoStream.Width.HasValue || state.VideoStream.Height.HasValue) + { + state.VideoRequest.MaxWidth = state.VideoStream?.Width; + state.VideoRequest.MaxHeight = state.VideoStream?.Height; + } + } + else + { + var resolution = ResolutionNormalizer.Normalize( + state.VideoStream?.BitRate, + state.VideoStream?.Width, + state.VideoStream?.Height, + state.OutputVideoBitrate.Value, + state.VideoStream?.Codec, + state.OutputVideoCodec, + state.VideoRequest.MaxWidth, + state.VideoRequest.MaxHeight); + + state.VideoRequest.MaxWidth = resolution.MaxWidth; + state.VideoRequest.MaxHeight = resolution.MaxHeight; + } } } diff --git a/Jellyfin.Api/Helpers/TranscodingJobHelper.cs b/Jellyfin.Api/Helpers/TranscodingJobHelper.cs index 168dc27a8..f496eaed6 100644 --- a/Jellyfin.Api/Helpers/TranscodingJobHelper.cs +++ b/Jellyfin.Api/Helpers/TranscodingJobHelper.cs @@ -771,8 +771,9 @@ namespace Jellyfin.Api.Helpers new LiveStreamRequest { OpenToken = state.MediaSource.OpenToken }, cancellationTokenSource.Token) .ConfigureAwait(false); + var encodingOptions = _serverConfigurationManager.GetEncodingOptions(); - _encodingHelper.AttachMediaSourceInfo(state, liveStreamResponse.MediaSource, state.RequestedUrl); + _encodingHelper.AttachMediaSourceInfo(state, encodingOptions, liveStreamResponse.MediaSource, state.RequestedUrl); if (state.VideoRequest != null) { diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index 5846a603a..b181a6ee6 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; @@ -63,7 +64,7 @@ namespace MediaBrowser.Controller.MediaEncoding { // Only use alternative encoders for video files. // When using concat with folder rips, if the mfx session fails to initialize, ffmpeg will be stuck retrying and will not exit gracefully - // Since transcoding of folder rips is expiremental anyway, it's not worth adding additional variables such as this. + // Since transcoding of folder rips is experimental anyway, it's not worth adding additional variables such as this. if (state.VideoType == VideoType.VideoFile) { var hwType = encodingOptions.HardwareAccelerationType; @@ -440,6 +441,12 @@ namespace MediaBrowser.Controller.MediaEncoding return "libopus"; } + if (string.Equals(codec, "flac", StringComparison.OrdinalIgnoreCase)) + { + // flac is experimental in mp4 muxer + return "flac -strict -2"; + } + return codec.ToLowerInvariant(); } @@ -589,10 +596,17 @@ namespace MediaBrowser.Controller.MediaEncoding || codec.IndexOf("hevc", StringComparison.OrdinalIgnoreCase) != -1; } - // TODO This is auto inserted into the mpegts mux so it might not be needed - // https://www.ffmpeg.org/ffmpeg-bitstream-filters.html#h264_005fmp4toannexb + public bool IsAAC(MediaStream stream) + { + var codec = stream.Codec ?? string.Empty; + + return codec.IndexOf("aac", StringComparison.OrdinalIgnoreCase) != -1; + } + public string GetBitStreamArgs(MediaStream stream) { + // TODO This is auto inserted into the mpegts mux so it might not be needed. + // https://www.ffmpeg.org/ffmpeg-bitstream-filters.html#h264_005fmp4toannexb if (IsH264(stream)) { return "-bsf:v h264_mp4toannexb"; @@ -601,6 +615,11 @@ namespace MediaBrowser.Controller.MediaEncoding { return "-bsf:v hevc_mp4toannexb"; } + else if (IsAAC(stream)) + { + // Convert adts header(mpegts) to asc header(mp4). + return "-bsf:a aac_adtstoasc"; + } else { return null; @@ -654,16 +673,30 @@ 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)) + { + // Transcode to level 5.0 and lower for maximum compatibility. + // Level 5.0 is suitable for up to 4k 30fps hevc encoding, otherwise let the encoder to handle it. + // https://en.wikipedia.org/wiki/High_Efficiency_Video_Coding_tiers_and_levels + // MaxLumaSampleRate = 3840*2160*30 = 248832000 < 267386880. + 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 +842,8 @@ 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 +859,9 @@ 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 +891,8 @@ 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 +931,11 @@ 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 { @@ -945,11 +985,25 @@ 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, - // which is compatible (and ugly) + // 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 && profile.IndexOf("baseline", StringComparison.OrdinalIgnoreCase) != -1) @@ -957,6 +1011,24 @@ 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 +1043,35 @@ 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)) + { + param += " -level " + level; + } + else if (string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase)) { - switch (level) + // 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 +1084,11 @@ 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 +1096,19 @@ 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); @@ -1346,7 +1408,7 @@ namespace MediaBrowser.Controller.MediaEncoding || string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase) || string.Equals(codec, "vp9", StringComparison.OrdinalIgnoreCase)) { - return .5; + return .6; } return 1; @@ -1380,36 +1442,48 @@ namespace MediaBrowser.Controller.MediaEncoding public int? GetAudioBitrateParam(BaseEncodingJobOptions request, MediaStream audioStream) { - if (audioStream == null) - { - return null; - } - - if (request.AudioBitRate.HasValue) - { - // Don't encode any higher than this - return Math.Min(384000, request.AudioBitRate.Value); - } - - // Empty bitrate area is not allow on iOS - // Default audio bitrate to 128K if it is not being requested - // https://ffmpeg.org/ffmpeg-codecs.html#toc-Codec-Options - return 128000; + return GetAudioBitrateParam(request.AudioBitRate, request.AudioCodec, audioStream); } - public int? GetAudioBitrateParam(int? audioBitRate, MediaStream audioStream) + public int? GetAudioBitrateParam(int? audioBitRate, string audioCodec, MediaStream audioStream) { if (audioStream == null) { return null; } - if (audioBitRate.HasValue) + if (audioBitRate.HasValue && string.IsNullOrEmpty(audioCodec)) { - // Don't encode any higher than this return Math.Min(384000, audioBitRate.Value); } + if (audioBitRate.HasValue && !string.IsNullOrEmpty(audioCodec)) + { + if (string.Equals(audioCodec, "aac", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "mp3", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "ac3", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "eac3", StringComparison.OrdinalIgnoreCase)) + { + if ((audioStream.Channels ?? 0) >= 6) + { + return Math.Min(640000, audioBitRate.Value); + } + + return Math.Min(384000, audioBitRate.Value); + } + + if (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase) + || 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 // Default audio bitrate to 128K if it is not being requested // https://ffmpeg.org/ffmpeg-codecs.html#toc-Codec-Options @@ -1462,6 +1536,11 @@ namespace MediaBrowser.Controller.MediaEncoding /// <returns>System.Nullable{System.Int32}.</returns> public int? GetNumAudioChannelsParam(EncodingJobInfo state, MediaStream audioStream, string outputAudioCodec) { + if (audioStream == null) + { + return null; + } + var request = state.BaseRequest; var inputChannels = audioStream?.Channels; @@ -1484,6 +1563,11 @@ namespace MediaBrowser.Controller.MediaEncoding // libmp3lame currently only supports two channel output transcoderChannelLimit = 2; } + else if (codec.IndexOf("aac", StringComparison.OrdinalIgnoreCase) != -1) + { + // aac is able to handle 8ch(7.1 layout) + transcoderChannelLimit = 8; + } else { // If we don't have any media info then limit it to 6 to prevent encoding errors due to asking for too many channels @@ -1708,7 +1792,8 @@ 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 +1814,8 @@ 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 +1827,8 @@ 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 +1837,8 @@ 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 +1864,7 @@ 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 +1924,9 @@ 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 +1935,8 @@ 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 +2198,13 @@ 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 +2279,7 @@ namespace MediaBrowser.Controller.MediaEncoding filters.Add("hwdownload"); if (isLibX264Encoder + || isLibX265Encoder || hasGraphicalSubs || (isNvdecHevcDecoder && isDeinterlaceHevc) || (!isNvdecHevcDecoder && isDeinterlaceH264 || isDeinterlaceHevc)) @@ -2195,20 +2290,20 @@ 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 +2345,9 @@ 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 +2386,7 @@ namespace MediaBrowser.Controller.MediaEncoding } // Add parameters to use VAAPI with burn-in text subtitles (GH issue #642) - if (isVaapiH264Encoder) + if (isVaapiH264Encoder || isVaapiHevcEncoder) { if (hasTextSubs) { @@ -2557,6 +2654,7 @@ namespace MediaBrowser.Controller.MediaEncoding public void AttachMediaSourceInfo( EncodingJobInfo state, + EncodingOptions encodingOptions, MediaSourceInfo mediaSource, string requestedUrl) { @@ -2687,11 +2785,23 @@ namespace MediaBrowser.Controller.MediaEncoding request.AudioCodec = state.SupportedAudioCodecs.FirstOrDefault(i => _mediaEncoder.CanEncodeToAudioCodec(i)) ?? state.SupportedAudioCodecs.FirstOrDefault(); } + + var supportedVideoCodecs = state.SupportedVideoCodecs; + if (request != null && supportedVideoCodecs != null && supportedVideoCodecs.Length > 0) + { + var supportedVideoCodecsList = supportedVideoCodecs.ToList(); + + ShiftVideoCodecsIfNeeded(supportedVideoCodecsList, encodingOptions); + + state.SupportedVideoCodecs = supportedVideoCodecsList.ToArray(); + + request.VideoCodec = state.SupportedVideoCodecs.FirstOrDefault(); + } } private void ShiftAudioCodecsIfNeeded(List<string> audioCodecs, MediaStream audioStream) { - // Nothing to do here + // No need to shift if there is only one supported audio codec. if (audioCodecs.Count < 2) { return; @@ -2719,6 +2829,34 @@ namespace MediaBrowser.Controller.MediaEncoding } } + private void ShiftVideoCodecsIfNeeded(List<string> videoCodecs, EncodingOptions encodingOptions) + { + // Shift hevc/h265 to the end of list if hevc encoding is not allowed. + if (encodingOptions.AllowHevcEncoding) + { + return; + } + + // No need to shift if there is only one supported video codec. + if (videoCodecs.Count < 2) + { + return; + } + + var shiftVideoCodecs = new[] { "hevc", "h265" }; + if (videoCodecs.All(i => shiftVideoCodecs.Contains(i, StringComparer.OrdinalIgnoreCase))) + { + return; + } + + while (shiftVideoCodecs.Contains(videoCodecs[0], StringComparer.OrdinalIgnoreCase)) + { + var removed = shiftVideoCodecs[0]; + videoCodecs.RemoveAt(0); + videoCodecs.Add(removed); + } + } + private void NormalizeSubtitleEmbed(EncodingJobInfo state) { if (state.SubtitleStream == null || state.SubtitleDeliveryMethod != SubtitleDeliveryMethod.Embed) @@ -3240,7 +3378,7 @@ namespace MediaBrowser.Controller.MediaEncoding if (state.RunTimeTicks.HasValue && state.BaseRequest.CopyTimestamps) { - args += " -copyts -avoid_negative_ts disabled -start_at_zero"; + args += " -copyts -avoid_negative_ts 0 -start_at_zero"; } if (!state.RunTimeTicks.HasValue) @@ -3288,7 +3426,7 @@ namespace MediaBrowser.Controller.MediaEncoding args += " -copyts"; } - args += " -avoid_negative_ts disabled"; + args += " -avoid_negative_ts 0"; if (!(state.SubtitleStream != null && state.SubtitleStream.IsExternal && !state.SubtitleStream.IsTextSubtitleStream)) { diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs b/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs index 6e9362cd1..09e7889b9 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs @@ -593,6 +593,11 @@ namespace MediaBrowser.Controller.MediaEncoding { get { + if (VideoStream == null) + { + return null; + } + if (EncodingHelper.IsCopyCodec(OutputVideoCodec)) { return VideoStream?.Codec; @@ -606,6 +611,11 @@ namespace MediaBrowser.Controller.MediaEncoding { get { + if (AudioStream == null) + { + return null; + } + if (EncodingHelper.IsCopyCodec(OutputAudioCodec)) { return AudioStream?.Codec; diff --git a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs index 15a70e2e7..387594ce6 100644 --- a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs +++ b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs @@ -234,8 +234,8 @@ namespace MediaBrowser.MediaEncoding.Probing var channelsValue = channels.Value; - if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase) || - string.Equals(codec, "mp3", StringComparison.OrdinalIgnoreCase)) + if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "mp3", StringComparison.OrdinalIgnoreCase)) { if (channelsValue <= 2) { @@ -248,6 +248,34 @@ namespace MediaBrowser.MediaEncoding.Probing } } + if (string.Equals(codec, "ac3", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "eac3", StringComparison.OrdinalIgnoreCase)) + { + if (channelsValue <= 2) + { + return 192000; + } + + if (channelsValue >= 5) + { + return 640000; + } + } + + if (string.Equals(codec, "flac", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "alac", StringComparison.OrdinalIgnoreCase)) + { + if (channelsValue <= 2) + { + return 960000; + } + + if (channelsValue >= 5) + { + return 2880000; + } + } + return null; } @@ -774,6 +802,35 @@ namespace MediaBrowser.MediaEncoding.Probing stream.BitRate = bitrate; } + // Extract bitrate info from tag "BPS" if possible. + if (!stream.BitRate.HasValue + && (string.Equals(streamInfo.CodecType, "audio", StringComparison.OrdinalIgnoreCase) + || string.Equals(streamInfo.CodecType, "video", StringComparison.OrdinalIgnoreCase))) + { + var bps = GetBPSFromTags(streamInfo); + if (bps != null && bps > 0) + { + stream.BitRate = bps; + } + } + + // Get average bitrate info from tag "NUMBER_OF_BYTES" and "DURATION" if possible. + if (!stream.BitRate.HasValue + && (string.Equals(streamInfo.CodecType, "audio", StringComparison.OrdinalIgnoreCase) + || string.Equals(streamInfo.CodecType, "video", StringComparison.OrdinalIgnoreCase))) + { + var durationInSeconds = GetRuntimeSecondsFromTags(streamInfo); + var bytes = GetNumberOfBytesFromTags(streamInfo); + if (durationInSeconds != null && bytes != null) + { + var bps = Convert.ToInt32(bytes * 8 / durationInSeconds, CultureInfo.InvariantCulture); + if (bps > 0) + { + stream.BitRate = bps; + } + } + } + var disposition = streamInfo.Disposition; if (disposition != null) { @@ -963,6 +1020,57 @@ namespace MediaBrowser.MediaEncoding.Probing } } + private int? GetBPSFromTags(MediaStreamInfo streamInfo) + { + if (streamInfo != null && streamInfo.Tags != null) + { + var bps = GetDictionaryValue(streamInfo.Tags, "BPS-eng") ?? GetDictionaryValue(streamInfo.Tags, "BPS"); + if (!string.IsNullOrEmpty(bps)) + { + if (int.TryParse(bps, NumberStyles.Integer, CultureInfo.InvariantCulture, out var parsedBps)) + { + return parsedBps; + } + } + } + + return null; + } + + private double? GetRuntimeSecondsFromTags(MediaStreamInfo streamInfo) + { + if (streamInfo != null && streamInfo.Tags != null) + { + var duration = GetDictionaryValue(streamInfo.Tags, "DURATION-eng") ?? GetDictionaryValue(streamInfo.Tags, "DURATION"); + if (!string.IsNullOrEmpty(duration)) + { + if (TimeSpan.TryParse(duration, out var parsedDuration)) + { + return parsedDuration.TotalSeconds; + } + } + } + + return null; + } + + private long? GetNumberOfBytesFromTags(MediaStreamInfo streamInfo) + { + if (streamInfo != null && streamInfo.Tags != null) + { + var numberOfBytes = GetDictionaryValue(streamInfo.Tags, "NUMBER_OF_BYTES-eng") ?? GetDictionaryValue(streamInfo.Tags, "NUMBER_OF_BYTES"); + if (!string.IsNullOrEmpty(numberOfBytes)) + { + if (long.TryParse(numberOfBytes, NumberStyles.Integer, CultureInfo.InvariantCulture, out var parsedBytes)) + { + return parsedBytes; + } + } + } + + return null; + } + private void SetSize(InternalMediaInfoResult data, MediaInfo info) { if (data.Format != null) diff --git a/MediaBrowser.Model/Configuration/EncodingOptions.cs b/MediaBrowser.Model/Configuration/EncodingOptions.cs index c34825667..100756c24 100644 --- a/MediaBrowser.Model/Configuration/EncodingOptions.cs +++ b/MediaBrowser.Model/Configuration/EncodingOptions.cs @@ -67,6 +67,8 @@ namespace MediaBrowser.Model.Configuration public bool EnableHardwareEncoding { get; set; } + public bool AllowHevcEncoding { get; set; } + public bool EnableSubtitleExtraction { get; set; } public string[] HardwareDecodingCodecs { get; set; } @@ -99,6 +101,7 @@ namespace MediaBrowser.Model.Configuration EnableDecodingColorDepth10Hevc = true; EnableDecodingColorDepth10Vp9 = true; EnableHardwareEncoding = true; + AllowHevcEncoding = true; EnableSubtitleExtraction = true; HardwareDecodingCodecs = new string[] { "h264", "vc1" }; } diff --git a/MediaBrowser.Model/Dlna/ResolutionNormalizer.cs b/MediaBrowser.Model/Dlna/ResolutionNormalizer.cs index a4305c810..39439f1fa 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) }; @@ -80,11 +79,11 @@ namespace MediaBrowser.Model.Dlna private static double GetVideoBitrateScaleFactor(string codec) { - if (string.Equals(codec, "h265", StringComparison.OrdinalIgnoreCase) || - string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase) || - string.Equals(codec, "vp9", StringComparison.OrdinalIgnoreCase)) + if (string.Equals(codec, "h265", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "vp9", StringComparison.OrdinalIgnoreCase)) { - return .5; + return .6; } return 1; diff --git a/MediaBrowser.Model/Dlna/StreamBuilder.cs b/MediaBrowser.Model/Dlna/StreamBuilder.cs index 13234c381..76b137c49 100644 --- a/MediaBrowser.Model/Dlna/StreamBuilder.cs +++ b/MediaBrowser.Model/Dlna/StreamBuilder.cs @@ -872,11 +872,34 @@ namespace MediaBrowser.Model.Dlna return playlistItem; } - private static int GetDefaultAudioBitrateIfUnknown(MediaStream audioStream) + private static int GetDefaultAudioBitrate(string audioCodec, int? audioChannels) { - if ((audioStream.Channels ?? 0) >= 6) + if (!string.IsNullOrEmpty(audioCodec)) { - return 384000; + // Default to a higher bitrate for stream copy + if (string.Equals(audioCodec, "aac", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "mp3", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "ac3", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "eac3", StringComparison.OrdinalIgnoreCase)) + { + if ((audioChannels ?? 0) < 2) + { + return 128000; + } + + return (audioChannels ?? 0) >= 6 ? 640000 : 384000; + } + + if (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "alac", StringComparison.OrdinalIgnoreCase)) + { + if ((audioChannels ?? 0) < 2) + { + return 768000; + } + + return (audioChannels ?? 0) >= 6 ? 3584000 : 1536000; + } } return 192000; @@ -897,14 +920,27 @@ namespace MediaBrowser.Model.Dlna } else { - if (targetAudioChannels.HasValue && audioStream.Channels.HasValue && targetAudioChannels.Value < audioStream.Channels.Value) + if (targetAudioChannels.HasValue + && audioStream.Channels.HasValue + && audioStream.Channels.Value > targetAudioChannels.Value) { - // Reduce the bitrate if we're downmixing - defaultBitrate = targetAudioChannels.Value < 2 ? 128000 : 192000; + // Reduce the bitrate if we're downmixing. + defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels); + } + else if (targetAudioChannels.HasValue + && audioStream.Channels.HasValue + && audioStream.Channels.Value <= targetAudioChannels.Value + && !string.IsNullOrEmpty(audioStream.Codec) + && targetAudioCodecs != null + && targetAudioCodecs.Length > 0 + && !Array.Exists(targetAudioCodecs, elem => string.Equals(audioStream.Codec, elem, StringComparison.OrdinalIgnoreCase))) + { + // Shift the bitrate if we're transcoding to a different audio codec. + defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, audioStream.Channels.Value); } else { - defaultBitrate = audioStream.BitRate ?? GetDefaultAudioBitrateIfUnknown(audioStream); + defaultBitrate = audioStream.BitRate ?? GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels); } // Seeing webm encoding failures when source has 1 audio channel and 22k bitrate. @@ -938,8 +974,28 @@ namespace MediaBrowser.Model.Dlna { return 448000; } + else if (totalBitrate <= 4000000) + { + return 640000; + } + else if (totalBitrate <= 5000000) + { + return 768000; + } + else if (totalBitrate <= 10000000) + { + return 1536000; + } + else if (totalBitrate <= 15000000) + { + return 2304000; + } + else if (totalBitrate <= 20000000) + { + return 3584000; + } - return 640000; + return 7168000; } private (PlayMethod?, List<TranscodeReason>) GetVideoDirectPlayProfile( diff --git a/MediaBrowser.Model/Dlna/StreamInfo.cs b/MediaBrowser.Model/Dlna/StreamInfo.cs index 9399d21f1..7b72a1303 100644 --- a/MediaBrowser.Model/Dlna/StreamInfo.cs +++ b/MediaBrowser.Model/Dlna/StreamInfo.cs @@ -787,7 +787,7 @@ namespace MediaBrowser.Model.Dlna public int? GetTargetAudioChannels(string codec) { - var defaultValue = GlobalMaxAudioChannels; + var defaultValue = GlobalMaxAudioChannels ?? TranscodingMaxAudioChannels; var value = GetOption(codec, "audiochannels"); if (string.IsNullOrEmpty(value)) |