diff options
Diffstat (limited to 'Jellyfin.Api/Controllers/DynamicHlsController.cs')
| -rw-r--r-- | Jellyfin.Api/Controllers/DynamicHlsController.cs | 206 |
1 files changed, 162 insertions, 44 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, |