mirror of
https://github.com/jellyfin/jellyfin.git
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180 lines
8.7 KiB
C#
180 lines
8.7 KiB
C#
using System.IO;
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using System.Net.Http;
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using System.Threading;
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using System.Threading.Tasks;
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using Jellyfin.Api.Models.StreamingDtos;
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Devices;
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using MediaBrowser.Controller.Dlna;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.Net;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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namespace Jellyfin.Api.Helpers
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{
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/// <summary>
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/// Audio helper.
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/// </summary>
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public class AudioHelper
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{
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private readonly IDlnaManager _dlnaManager;
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private readonly IUserManager _userManager;
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private readonly ILibraryManager _libraryManager;
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private readonly IMediaSourceManager _mediaSourceManager;
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private readonly IServerConfigurationManager _serverConfigurationManager;
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private readonly IMediaEncoder _mediaEncoder;
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private readonly IDeviceManager _deviceManager;
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private readonly TranscodingJobHelper _transcodingJobHelper;
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private readonly IHttpClientFactory _httpClientFactory;
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private readonly IHttpContextAccessor _httpContextAccessor;
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private readonly EncodingHelper _encodingHelper;
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/// <summary>
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/// Initializes a new instance of the <see cref="AudioHelper"/> class.
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/// </summary>
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/// <param name="dlnaManager">Instance of the <see cref="IDlnaManager"/> interface.</param>
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/// <param name="userManager">Instance of the <see cref="IUserManager"/> interface.</param>
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/// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
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/// <param name="mediaSourceManager">Instance of the <see cref="IMediaSourceManager"/> interface.</param>
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/// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
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/// <param name="mediaEncoder">Instance of the <see cref="IMediaEncoder"/> interface.</param>
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/// <param name="deviceManager">Instance of the <see cref="IDeviceManager"/> interface.</param>
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/// <param name="transcodingJobHelper">Instance of <see cref="TranscodingJobHelper"/>.</param>
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/// <param name="httpClientFactory">Instance of the <see cref="IHttpClientFactory"/> interface.</param>
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/// <param name="httpContextAccessor">Instance of the <see cref="IHttpContextAccessor"/> interface.</param>
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/// <param name="encodingHelper">Instance of <see cref="EncodingHelper"/>.</param>
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public AudioHelper(
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IDlnaManager dlnaManager,
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IUserManager userManager,
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ILibraryManager libraryManager,
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IMediaSourceManager mediaSourceManager,
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IServerConfigurationManager serverConfigurationManager,
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IMediaEncoder mediaEncoder,
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IDeviceManager deviceManager,
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TranscodingJobHelper transcodingJobHelper,
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IHttpClientFactory httpClientFactory,
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IHttpContextAccessor httpContextAccessor,
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EncodingHelper encodingHelper)
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{
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_dlnaManager = dlnaManager;
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_userManager = userManager;
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_libraryManager = libraryManager;
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_mediaSourceManager = mediaSourceManager;
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_serverConfigurationManager = serverConfigurationManager;
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_mediaEncoder = mediaEncoder;
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_deviceManager = deviceManager;
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_transcodingJobHelper = transcodingJobHelper;
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_httpClientFactory = httpClientFactory;
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_httpContextAccessor = httpContextAccessor;
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_encodingHelper = encodingHelper;
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}
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/// <summary>
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/// Get audio stream.
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/// </summary>
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/// <param name="transcodingJobType">Transcoding job type.</param>
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/// <param name="streamingRequest">Streaming controller.Request dto.</param>
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/// <returns>A <see cref="Task"/> containing the resulting <see cref="ActionResult"/>.</returns>
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public async Task<ActionResult> GetAudioStream(
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TranscodingJobType transcodingJobType,
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StreamingRequestDto streamingRequest)
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{
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if (_httpContextAccessor.HttpContext is null)
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{
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throw new ResourceNotFoundException(nameof(_httpContextAccessor.HttpContext));
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}
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bool isHeadRequest = _httpContextAccessor.HttpContext.Request.Method == System.Net.WebRequestMethods.Http.Head;
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// CTS lifecycle is managed internally.
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var cancellationTokenSource = new CancellationTokenSource();
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using var state = await StreamingHelpers.GetStreamingState(
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streamingRequest,
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_httpContextAccessor.HttpContext,
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_mediaSourceManager,
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_userManager,
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_libraryManager,
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_serverConfigurationManager,
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_mediaEncoder,
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_encodingHelper,
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_dlnaManager,
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_deviceManager,
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_transcodingJobHelper,
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transcodingJobType,
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cancellationTokenSource.Token)
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.ConfigureAwait(false);
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if (streamingRequest.Static && state.DirectStreamProvider is not null)
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{
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StreamingHelpers.AddDlnaHeaders(state, _httpContextAccessor.HttpContext.Response.Headers, true, streamingRequest.StartTimeTicks, _httpContextAccessor.HttpContext.Request, _dlnaManager);
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var liveStreamInfo = _mediaSourceManager.GetLiveStreamInfo(streamingRequest.LiveStreamId);
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if (liveStreamInfo is null)
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{
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throw new FileNotFoundException();
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}
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var liveStream = new ProgressiveFileStream(liveStreamInfo.GetStream());
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// TODO (moved from MediaBrowser.Api): Don't hardcode contentType
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return new FileStreamResult(liveStream, MimeTypes.GetMimeType("file.ts"));
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}
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// Static remote stream
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if (streamingRequest.Static && state.InputProtocol == MediaProtocol.Http)
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{
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StreamingHelpers.AddDlnaHeaders(state, _httpContextAccessor.HttpContext.Response.Headers, true, streamingRequest.StartTimeTicks, _httpContextAccessor.HttpContext.Request, _dlnaManager);
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var httpClient = _httpClientFactory.CreateClient(NamedClient.Default);
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return await FileStreamResponseHelpers.GetStaticRemoteStreamResult(state, httpClient, _httpContextAccessor.HttpContext).ConfigureAwait(false);
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}
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if (streamingRequest.Static && state.InputProtocol != MediaProtocol.File)
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{
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return new BadRequestObjectResult($"Input protocol {state.InputProtocol} cannot be streamed statically");
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}
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var outputPath = state.OutputFilePath;
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var outputPathExists = File.Exists(outputPath);
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var transcodingJob = _transcodingJobHelper.GetTranscodingJob(outputPath, TranscodingJobType.Progressive);
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var isTranscodeCached = outputPathExists && transcodingJob is not null;
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StreamingHelpers.AddDlnaHeaders(state, _httpContextAccessor.HttpContext.Response.Headers, streamingRequest.Static || isTranscodeCached, streamingRequest.StartTimeTicks, _httpContextAccessor.HttpContext.Request, _dlnaManager);
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// Static stream
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if (streamingRequest.Static)
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{
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var contentType = state.GetMimeType("." + state.OutputContainer, false) ?? state.GetMimeType(state.MediaPath);
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if (state.MediaSource.IsInfiniteStream)
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{
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var stream = new ProgressiveFileStream(state.MediaPath, null, _transcodingJobHelper);
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return new FileStreamResult(stream, contentType);
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}
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return FileStreamResponseHelpers.GetStaticFileResult(
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state.MediaPath,
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contentType);
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}
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// Need to start ffmpeg (because media can't be returned directly)
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var encodingOptions = _serverConfigurationManager.GetEncodingOptions();
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var ffmpegCommandLineArguments = _encodingHelper.GetProgressiveAudioFullCommandLine(state, encodingOptions, outputPath);
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return await FileStreamResponseHelpers.GetTranscodedFile(
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state,
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isHeadRequest,
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_httpContextAccessor.HttpContext,
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_transcodingJobHelper,
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ffmpegCommandLineArguments,
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transcodingJobType,
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cancellationTokenSource).ConfigureAwait(false);
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}
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}
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}
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