diff options
Diffstat (limited to 'Jellyfin.Api/Controllers/DynamicHlsController.cs')
| -rw-r--r-- | Jellyfin.Api/Controllers/DynamicHlsController.cs | 85 |
1 files changed, 49 insertions, 36 deletions
diff --git a/Jellyfin.Api/Controllers/DynamicHlsController.cs b/Jellyfin.Api/Controllers/DynamicHlsController.cs index 0581928a0..d4ae124b9 100644 --- a/Jellyfin.Api/Controllers/DynamicHlsController.cs +++ b/Jellyfin.Api/Controllers/DynamicHlsController.cs @@ -41,6 +41,9 @@ 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 +59,7 @@ 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 +94,8 @@ namespace Jellyfin.Api.Controllers ILogger<DynamicHlsController> logger, DynamicHlsHelper dynamicHlsHelper) { + _encodingHelper = new EncodingHelper(mediaEncoder, fileSystem, subtitleEncoder, configuration); + _libraryManager = libraryManager; _userManager = userManager; _dlnaManager = dlnaManager; @@ -106,8 +110,7 @@ namespace Jellyfin.Api.Controllers _transcodingJobHelper = transcodingJobHelper; _logger = logger; _dynamicHlsHelper = dynamicHlsHelper; - - _encodingHelper = new EncodingHelper(_mediaEncoder, _fileSystem, _subtitleEncoder, _configuration); + _encodingOptions = serverConfigurationManager.GetEncodingOptions(); } /// <summary> @@ -1255,7 +1258,7 @@ namespace Jellyfin.Api.Controllers if (segmentId == -1) { - _logger.LogDebug("Starting transcoding because fmp4 header file is being requested"); + _logger.LogDebug("Starting transcoding because fmp4 init file is being requested"); startTranscoding = true; segmentId = 0; } @@ -1291,11 +1294,10 @@ 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); @@ -1351,11 +1353,10 @@ 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) { @@ -1367,11 +1368,9 @@ 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 outputFileNameWithoutExtension = Path.GetFileNameWithoutExtension(outputPath); @@ -1379,7 +1378,7 @@ namespace Jellyfin.Api.Controllers var outputExtension = GetSegmentFileExtension(state.Request.SegmentContainer); var outputTsArg = outputPrefix + "%d" + outputExtension; - var segmentFormat = GetSegmentFileExtension(state.Request.SegmentContainer).TrimStart('.'); + var segmentFormat = outputExtension.TrimStart('.'); if (string.Equals(segmentFormat, "ts", StringComparison.OrdinalIgnoreCase)) { segmentFormat = "mpegts"; @@ -1406,19 +1405,19 @@ namespace Jellyfin.Api.Controllers _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 0 -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}\"", 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, @@ -1427,7 +1426,12 @@ 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) { @@ -1468,7 +1472,7 @@ namespace Jellyfin.Api.Controllers if (EncodingHelper.IsCopyCodec(audioCodec)) { - var videoCodec = _encodingHelper.GetVideoEncoder(state, encodingOptions); + var videoCodec = _encodingHelper.GetVideoEncoder(state, _encodingOptions); if (EncodingHelper.IsCopyCodec(videoCodec) && state.EnableBreakOnNonKeyFrames(videoCodec)) { @@ -1499,23 +1503,34 @@ 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 + // 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) @@ -1529,7 +1544,7 @@ namespace Jellyfin.Api.Controllers // 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)) @@ -1553,22 +1568,21 @@ 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 encoders, set key frames by GOP. if (string.Equals(codec, "h264_qsv", StringComparison.OrdinalIgnoreCase) @@ -1602,16 +1616,15 @@ namespace Jellyfin.Api.Controllers 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, |