diff options
Diffstat (limited to 'Jellyfin.Api/Controllers/DynamicHlsController.cs')
| -rw-r--r-- | Jellyfin.Api/Controllers/DynamicHlsController.cs | 307 |
1 files changed, 279 insertions, 28 deletions
diff --git a/Jellyfin.Api/Controllers/DynamicHlsController.cs b/Jellyfin.Api/Controllers/DynamicHlsController.cs index 769f3372d..6ef3a2ff9 100644 --- a/Jellyfin.Api/Controllers/DynamicHlsController.cs +++ b/Jellyfin.Api/Controllers/DynamicHlsController.cs @@ -39,7 +39,8 @@ namespace Jellyfin.Api.Controllers [Authorize(Policy = Policies.DefaultAuthorization)] public class DynamicHlsController : BaseJellyfinApiController { - private const string DefaultEncoderPreset = "veryfast"; + private const string DefaultVodEncoderPreset = "veryfast"; + private const string DefaultEventEncoderPreset = "superfast"; private const TranscodingJobType TranscodingJobType = MediaBrowser.Controller.MediaEncoding.TranscodingJobType.Hls; private readonly ILibraryManager _libraryManager; @@ -106,6 +107,253 @@ namespace Jellyfin.Api.Controllers } /// <summary> + /// Gets a hls live stream. + /// </summary> + /// <param name="itemId">The item id.</param> + /// <param name="container">The audio container.</param> + /// <param name="static">Optional. If true, the original file will be streamed statically without any encoding. Use either no url extension or the original file extension. true/false.</param> + /// <param name="params">The streaming parameters.</param> + /// <param name="tag">The tag.</param> + /// <param name="deviceProfileId">Optional. The dlna device profile id to utilize.</param> + /// <param name="playSessionId">The play session id.</param> + /// <param name="segmentContainer">The segment container.</param> + /// <param name="segmentLength">The segment lenght.</param> + /// <param name="minSegments">The minimum number of segments.</param> + /// <param name="mediaSourceId">The media version id, if playing an alternate version.</param> + /// <param name="deviceId">The device id of the client requesting. Used to stop encoding processes when needed.</param> + /// <param name="audioCodec">Optional. Specify a audio codec to encode to, e.g. mp3. If omitted the server will auto-select using the url's extension. Options: aac, mp3, vorbis, wma.</param> + /// <param name="enableAutoStreamCopy">Whether or not to allow automatic stream copy if requested values match the original source. Defaults to true.</param> + /// <param name="allowVideoStreamCopy">Whether or not to allow copying of the video stream url.</param> + /// <param name="allowAudioStreamCopy">Whether or not to allow copying of the audio stream url.</param> + /// <param name="breakOnNonKeyFrames">Optional. Whether to break on non key frames.</param> + /// <param name="audioSampleRate">Optional. Specify a specific audio sample rate, e.g. 44100.</param> + /// <param name="maxAudioBitDepth">Optional. The maximum audio bit depth.</param> + /// <param name="audioBitRate">Optional. Specify an audio bitrate to encode to, e.g. 128000. If omitted this will be left to encoder defaults.</param> + /// <param name="audioChannels">Optional. Specify a specific number of audio channels to encode to, e.g. 2.</param> + /// <param name="maxAudioChannels">Optional. Specify a maximum number of audio channels to encode to, e.g. 2.</param> + /// <param name="profile">Optional. Specify a specific an encoder profile (varies by encoder), e.g. main, baseline, high.</param> + /// <param name="level">Optional. Specify a level for the encoder profile (varies by encoder), e.g. 3, 3.1.</param> + /// <param name="framerate">Optional. A specific video framerate to encode to, e.g. 23.976. Generally this should be omitted unless the device has specific requirements.</param> + /// <param name="maxFramerate">Optional. A specific maximum video framerate to encode to, e.g. 23.976. Generally this should be omitted unless the device has specific requirements.</param> + /// <param name="copyTimestamps">Whether or not to copy timestamps when transcoding with an offset. Defaults to false.</param> + /// <param name="startTimeTicks">Optional. Specify a starting offset, in ticks. 1 tick = 10000 ms.</param> + /// <param name="width">Optional. The fixed horizontal resolution of the encoded video.</param> + /// <param name="height">Optional. The fixed vertical resolution of the encoded video.</param> + /// <param name="videoBitRate">Optional. Specify a video bitrate to encode to, e.g. 500000. If omitted this will be left to encoder defaults.</param> + /// <param name="subtitleStreamIndex">Optional. The index of the subtitle stream to use. If omitted no subtitles will be used.</param> + /// <param name="subtitleMethod">Optional. Specify the subtitle delivery method.</param> + /// <param name="maxRefFrames">Optional.</param> + /// <param name="maxVideoBitDepth">Optional. The maximum video bit depth.</param> + /// <param name="requireAvc">Optional. Whether to require avc.</param> + /// <param name="deInterlace">Optional. Whether to deinterlace the video.</param> + /// <param name="requireNonAnamorphic">Optional. Whether to require a non anamorphic stream.</param> + /// <param name="transcodingMaxAudioChannels">Optional. The maximum number of audio channels to transcode.</param> + /// <param name="cpuCoreLimit">Optional. The limit of how many cpu cores to use.</param> + /// <param name="liveStreamId">The live stream id.</param> + /// <param name="enableMpegtsM2TsMode">Optional. Whether to enable the MpegtsM2Ts mode.</param> + /// <param name="videoCodec">Optional. Specify a video codec to encode to, e.g. h264. If omitted the server will auto-select using the url's extension. Options: h265, h264, mpeg4, theora, vp8, vp9, vpx (deprecated), wmv.</param> + /// <param name="subtitleCodec">Optional. Specify a subtitle codec to encode to.</param> + /// <param name="transcodeReasons">Optional. The transcoding reason.</param> + /// <param name="audioStreamIndex">Optional. The index of the audio stream to use. If omitted the first audio stream will be used.</param> + /// <param name="videoStreamIndex">Optional. The index of the video stream to use. If omitted the first video stream will be used.</param> + /// <param name="context">Optional. The <see cref="EncodingContext"/>.</param> + /// <param name="streamOptions">Optional. The streaming options.</param> + /// <param name="maxWidth">Optional. The max width.</param> + /// <param name="maxHeight">Optional. The max height.</param> + /// <param name="enableSubtitlesInManifest">Optional. Whether to enable subtitles in the manifest.</param> + /// <response code="200">Hls live stream retrieved.</response> + /// <returns>A <see cref="FileResult"/> containing the hls file.</returns> + [HttpGet("Videos/{itemId}/live.m3u8")] + [ProducesResponseType(StatusCodes.Status200OK)] + [ProducesPlaylistFile] + public async Task<ActionResult> GetLiveHlsStream( + [FromRoute, Required] Guid itemId, + [FromQuery] string? container, + [FromQuery] bool? @static, + [FromQuery] string? @params, + [FromQuery] string? tag, + [FromQuery] string? deviceProfileId, + [FromQuery] string? playSessionId, + [FromQuery] string? segmentContainer, + [FromQuery] int? segmentLength, + [FromQuery] int? minSegments, + [FromQuery] string? mediaSourceId, + [FromQuery] string? deviceId, + [FromQuery] string? audioCodec, + [FromQuery] bool? enableAutoStreamCopy, + [FromQuery] bool? allowVideoStreamCopy, + [FromQuery] bool? allowAudioStreamCopy, + [FromQuery] bool? breakOnNonKeyFrames, + [FromQuery] int? audioSampleRate, + [FromQuery] int? maxAudioBitDepth, + [FromQuery] int? audioBitRate, + [FromQuery] int? audioChannels, + [FromQuery] int? maxAudioChannels, + [FromQuery] string? profile, + [FromQuery] string? level, + [FromQuery] float? framerate, + [FromQuery] float? maxFramerate, + [FromQuery] bool? copyTimestamps, + [FromQuery] long? startTimeTicks, + [FromQuery] int? width, + [FromQuery] int? height, + [FromQuery] int? videoBitRate, + [FromQuery] int? subtitleStreamIndex, + [FromQuery] SubtitleDeliveryMethod? subtitleMethod, + [FromQuery] int? maxRefFrames, + [FromQuery] int? maxVideoBitDepth, + [FromQuery] bool? requireAvc, + [FromQuery] bool? deInterlace, + [FromQuery] bool? requireNonAnamorphic, + [FromQuery] int? transcodingMaxAudioChannels, + [FromQuery] int? cpuCoreLimit, + [FromQuery] string? liveStreamId, + [FromQuery] bool? enableMpegtsM2TsMode, + [FromQuery] string? videoCodec, + [FromQuery] string? subtitleCodec, + [FromQuery] string? transcodeReasons, + [FromQuery] int? audioStreamIndex, + [FromQuery] int? videoStreamIndex, + [FromQuery] EncodingContext? context, + [FromQuery] Dictionary<string, string> streamOptions, + [FromQuery] int? maxWidth, + [FromQuery] int? maxHeight, + [FromQuery] bool? enableSubtitlesInManifest) + { + VideoRequestDto streamingRequest = new VideoRequestDto + { + Id = itemId, + Container = container, + Static = @static ?? false, + Params = @params, + Tag = tag, + DeviceProfileId = deviceProfileId, + PlaySessionId = playSessionId, + SegmentContainer = segmentContainer, + SegmentLength = segmentLength, + MinSegments = minSegments, + MediaSourceId = mediaSourceId, + DeviceId = deviceId, + AudioCodec = audioCodec, + EnableAutoStreamCopy = enableAutoStreamCopy ?? true, + AllowAudioStreamCopy = allowAudioStreamCopy ?? true, + AllowVideoStreamCopy = allowVideoStreamCopy ?? true, + BreakOnNonKeyFrames = breakOnNonKeyFrames ?? false, + AudioSampleRate = audioSampleRate, + MaxAudioChannels = maxAudioChannels, + AudioBitRate = audioBitRate, + MaxAudioBitDepth = maxAudioBitDepth, + AudioChannels = audioChannels, + Profile = profile, + Level = level, + Framerate = framerate, + MaxFramerate = maxFramerate, + CopyTimestamps = copyTimestamps ?? false, + StartTimeTicks = startTimeTicks, + Width = width, + Height = height, + VideoBitRate = videoBitRate, + SubtitleStreamIndex = subtitleStreamIndex, + SubtitleMethod = subtitleMethod ?? SubtitleDeliveryMethod.Encode, + MaxRefFrames = maxRefFrames, + MaxVideoBitDepth = maxVideoBitDepth, + RequireAvc = requireAvc ?? false, + DeInterlace = deInterlace ?? false, + RequireNonAnamorphic = requireNonAnamorphic ?? false, + TranscodingMaxAudioChannels = transcodingMaxAudioChannels, + CpuCoreLimit = cpuCoreLimit, + LiveStreamId = liveStreamId, + EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? false, + VideoCodec = videoCodec, + SubtitleCodec = subtitleCodec, + TranscodeReasons = transcodeReasons, + AudioStreamIndex = audioStreamIndex, + VideoStreamIndex = videoStreamIndex, + Context = context ?? EncodingContext.Streaming, + StreamOptions = streamOptions, + MaxHeight = maxHeight, + MaxWidth = maxWidth, + EnableSubtitlesInManifest = enableSubtitlesInManifest ?? true + }; + + // CTS lifecycle is managed internally. + var cancellationTokenSource = new CancellationTokenSource(); + // Due to CTS.Token calling ThrowIfDisposed (https://github.com/dotnet/runtime/issues/29970) we have to "cache" the token + // since it gets disposed when ffmpeg exits + var cancellationToken = cancellationTokenSource.Token; + using var state = await StreamingHelpers.GetStreamingState( + streamingRequest, + Request, + _authContext, + _mediaSourceManager, + _userManager, + _libraryManager, + _serverConfigurationManager, + _mediaEncoder, + _encodingHelper, + _dlnaManager, + _deviceManager, + _transcodingJobHelper, + TranscodingJobType, + cancellationToken) + .ConfigureAwait(false); + + TranscodingJobDto? job = null; + var playlistPath = Path.ChangeExtension(state.OutputFilePath, ".m3u8"); + + if (!System.IO.File.Exists(playlistPath)) + { + var transcodingLock = _transcodingJobHelper.GetTranscodingLock(playlistPath); + await transcodingLock.WaitAsync(cancellationToken).ConfigureAwait(false); + try + { + if (!System.IO.File.Exists(playlistPath)) + { + // If the playlist doesn't already exist, startup ffmpeg + try + { + job = await _transcodingJobHelper.StartFfMpeg( + state, + playlistPath, + GetCommandLineArguments(playlistPath, state, true, 0), + Request, + TranscodingJobType, + cancellationTokenSource) + .ConfigureAwait(false); + job.IsLiveOutput = true; + } + catch + { + state.Dispose(); + throw; + } + + minSegments = state.MinSegments; + if (minSegments > 0) + { + await HlsHelpers.WaitForMinimumSegmentCount(playlistPath, minSegments, _logger, cancellationToken).ConfigureAwait(false); + } + } + } + finally + { + transcodingLock.Release(); + } + } + + job ??= _transcodingJobHelper.OnTranscodeBeginRequest(playlistPath, TranscodingJobType); + + if (job != null) + { + _transcodingJobHelper.OnTranscodeEndRequest(job); + } + + var playlistText = HlsHelpers.GetLivePlaylistText(playlistPath, state); + + return Content(playlistText, MimeTypes.GetMimeType("playlist.m3u8")); + } + + /// <summary> /// Gets a video hls playlist stream. /// </summary> /// <param name="itemId">The item id.</param> @@ -1149,7 +1397,7 @@ namespace Jellyfin.Api.Controllers .AppendLine("#EXT-X-MEDIA-SEQUENCE:0"); var index = 0; - var segmentExtension = GetSegmentFileExtension(streamingRequest.SegmentContainer); + var segmentExtension = EncodingHelper.GetSegmentFileExtension(streamingRequest.SegmentContainer); var queryString = Request.QueryString; if (isHlsInFmp4) @@ -1214,7 +1462,7 @@ namespace Jellyfin.Api.Controllers var segmentPath = GetSegmentPath(state, playlistPath, segmentId); - var segmentExtension = GetSegmentFileExtension(state.Request.SegmentContainer); + var segmentExtension = EncodingHelper.GetSegmentFileExtension(state.Request.SegmentContainer); TranscodingJobDto? job; @@ -1286,7 +1534,7 @@ namespace Jellyfin.Api.Controllers job = await _transcodingJobHelper.StartFfMpeg( state, playlistPath, - GetCommandLineArguments(playlistPath, state, true, segmentId), + GetCommandLineArguments(playlistPath, state, false, segmentId), Request, TranscodingJobType, cancellationTokenSource).ConfigureAwait(false); @@ -1346,7 +1594,7 @@ namespace Jellyfin.Api.Controllers return segments; } - private string GetCommandLineArguments(string outputPath, StreamState state, bool isEncoding, int startNumber) + private string GetCommandLineArguments(string outputPath, StreamState state, bool isEventPlaylist, int startNumber) { var videoCodec = _encodingHelper.GetVideoEncoder(state, _encodingOptions); var threads = EncodingHelper.GetNumberOfThreads(state, _encodingOptions, videoCodec); @@ -1361,15 +1609,13 @@ namespace Jellyfin.Api.Controllers state.BaseRequest.BreakOnNonKeyFrames = false; } - // 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 outputExtension = EncodingHelper.GetSegmentFileExtension(state.Request.SegmentContainer); var outputTsArg = outputPrefix + "%d" + outputExtension; var segmentFormat = outputExtension.TrimStart('.'); @@ -1398,19 +1644,30 @@ namespace Jellyfin.Api.Controllers ? _encodingOptions.MaxMuxingQueueSize.ToString(CultureInfo.InvariantCulture) : "128"; + var baseUrlParam = string.Empty; + if (isEventPlaylist) + { + baseUrlParam = string.Format( + CultureInfo.InvariantCulture, + " -hls_base_url \"hls/{0}/\"", + Path.GetFileNameWithoutExtension(outputPath)); + } + 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} -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}{10} -hls_segment_filename \"{12}\" -hls_playlist_type {11} -hls_list_size 0 -y \"{13}\"", inputModifier, _encodingHelper.GetInputArgument(state, _encodingOptions), threads, mapArgs, - GetVideoArguments(state, startNumber), + GetVideoArguments(state, startNumber, isEventPlaylist), GetAudioArguments(state), maxMuxingQueueSize, state.SegmentLength.ToString(CultureInfo.InvariantCulture), segmentFormat, - startNumberParam, + startNumber.ToString(CultureInfo.InvariantCulture), + baseUrlParam, + isEventPlaylist ? "event" : "vod", outputTsArg, outputPath).Trim(); } @@ -1505,8 +1762,9 @@ namespace Jellyfin.Api.Controllers /// </summary> /// <param name="state">The <see cref="StreamState"/>.</param> /// <param name="startNumber">The first number in the hls sequence.</param> + /// <param name="isEventPlaylist">Whether the playlist is EVENT or VOD.</param> /// <returns>The command line arguments for video transcoding.</returns> - private string GetVideoArguments(StreamState state, int startNumber) + private string GetVideoArguments(StreamState state, int startNumber, bool isEventPlaylist) { if (state.VideoStream == null) { @@ -1539,6 +1797,7 @@ namespace Jellyfin.Api.Controllers // 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)) { string bitStreamArgs = EncodingHelper.GetBitStreamArgs(state.VideoStream); @@ -1549,15 +1808,13 @@ namespace Jellyfin.Api.Controllers } args += " -start_at_zero"; - - // args += " -flags -global_header"; } else { - args += _encodingHelper.GetVideoQualityParam(state, codec, _encodingOptions, DefaultEncoderPreset); + args += _encodingHelper.GetVideoQualityParam(state, codec, _encodingOptions, isEventPlaylist ? DefaultEventEncoderPreset : DefaultVodEncoderPreset); // Set the key frame params for video encoding to match the hls segment time. - args += _encodingHelper.GetHlsVideoKeyFrameArguments(state, codec, state.SegmentLength, false, startNumber); + args += _encodingHelper.GetHlsVideoKeyFrameArguments(state, codec, state.SegmentLength, isEventPlaylist, startNumber); // Currenly b-frames in libx265 breaks the FMP4-HLS playback on iOS, disable it for now. if (string.Equals(codec, "libx265", StringComparison.OrdinalIgnoreCase)) @@ -1580,8 +1837,12 @@ namespace Jellyfin.Api.Controllers args += " -start_at_zero"; } } + } - // args += " -flags -global_header"; + // TODO why was this not enabled for VOD? + if (isEventPlaylist) + { + args += " -flags -global_header"; } if (!string.IsNullOrEmpty(state.OutputVideoSync)) @@ -1594,22 +1855,12 @@ namespace Jellyfin.Api.Controllers return args; } - private string GetSegmentFileExtension(string? segmentContainer) - { - if (!string.IsNullOrWhiteSpace(segmentContainer)) - { - return "." + segmentContainer; - } - - return ".ts"; - } - private string GetSegmentPath(StreamState state, string playlist, int index) { var folder = Path.GetDirectoryName(playlist) ?? throw new ArgumentException($"Provided path ({playlist}) is not valid.", nameof(playlist)); var filename = Path.GetFileNameWithoutExtension(playlist); - return Path.Combine(folder, filename + index.ToString(CultureInfo.InvariantCulture) + GetSegmentFileExtension(state.Request.SegmentContainer)); + return Path.Combine(folder, filename + index.ToString(CultureInfo.InvariantCulture) + EncodingHelper.GetSegmentFileExtension(state.Request.SegmentContainer)); } private async Task<ActionResult> GetSegmentResult( |