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https://github.com/jellyfin/jellyfin.git
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342 lines
16 KiB
C#
342 lines
16 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.Globalization;
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using System.Linq;
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using System.Threading.Tasks;
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using Jellyfin.Api.Attributes;
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using Jellyfin.Api.Constants;
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using Jellyfin.Api.Helpers;
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using Jellyfin.Api.ModelBinders;
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using Jellyfin.Api.Models.StreamingDtos;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Devices;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Controller.Net;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.MediaInfo;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Logging;
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namespace Jellyfin.Api.Controllers
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{
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/// <summary>
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/// The universal audio controller.
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/// </summary>
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[Route("")]
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public class UniversalAudioController : BaseJellyfinApiController
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{
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private readonly IAuthorizationContext _authorizationContext;
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private readonly IDeviceManager _deviceManager;
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private readonly ILibraryManager _libraryManager;
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private readonly ILogger<UniversalAudioController> _logger;
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private readonly MediaInfoHelper _mediaInfoHelper;
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private readonly AudioHelper _audioHelper;
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private readonly DynamicHlsHelper _dynamicHlsHelper;
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/// <summary>
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/// Initializes a new instance of the <see cref="UniversalAudioController"/> class.
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/// </summary>
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/// <param name="authorizationContext">Instance of the <see cref="IAuthorizationContext"/> interface.</param>
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/// <param name="deviceManager">Instance of the <see cref="IDeviceManager"/> interface.</param>
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/// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
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/// <param name="logger">Instance of the <see cref="ILogger{UniversalAudioController}"/> interface.</param>
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/// <param name="mediaInfoHelper">Instance of <see cref="MediaInfoHelper"/>.</param>
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/// <param name="audioHelper">Instance of <see cref="AudioHelper"/>.</param>
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/// <param name="dynamicHlsHelper">Instance of <see cref="DynamicHlsHelper"/>.</param>
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public UniversalAudioController(
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IAuthorizationContext authorizationContext,
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IDeviceManager deviceManager,
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ILibraryManager libraryManager,
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ILogger<UniversalAudioController> logger,
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MediaInfoHelper mediaInfoHelper,
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AudioHelper audioHelper,
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DynamicHlsHelper dynamicHlsHelper)
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{
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_authorizationContext = authorizationContext;
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_deviceManager = deviceManager;
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_libraryManager = libraryManager;
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_logger = logger;
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_mediaInfoHelper = mediaInfoHelper;
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_audioHelper = audioHelper;
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_dynamicHlsHelper = dynamicHlsHelper;
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}
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/// <summary>
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/// Gets an audio stream.
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/// </summary>
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/// <param name="itemId">The item id.</param>
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/// <param name="container">Optional. The audio container.</param>
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/// <param name="mediaSourceId">The media version id, if playing an alternate version.</param>
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/// <param name="deviceId">The device id of the client requesting. Used to stop encoding processes when needed.</param>
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/// <param name="userId">Optional. The user id.</param>
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/// <param name="audioCodec">Optional. The audio codec to transcode to.</param>
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/// <param name="maxAudioChannels">Optional. The maximum number of audio channels.</param>
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/// <param name="transcodingAudioChannels">Optional. The number of how many audio channels to transcode to.</param>
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/// <param name="maxStreamingBitrate">Optional. The maximum streaming bitrate.</param>
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/// <param name="audioBitRate">Optional. Specify an audio bitrate to encode to, e.g. 128000. If omitted this will be left to encoder defaults.</param>
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/// <param name="startTimeTicks">Optional. Specify a starting offset, in ticks. 1 tick = 10000 ms.</param>
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/// <param name="transcodingContainer">Optional. The container to transcode to.</param>
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/// <param name="transcodingProtocol">Optional. The transcoding protocol.</param>
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/// <param name="maxAudioSampleRate">Optional. The maximum audio sample rate.</param>
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/// <param name="maxAudioBitDepth">Optional. The maximum audio bit depth.</param>
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/// <param name="enableRemoteMedia">Optional. Whether to enable remote media.</param>
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/// <param name="breakOnNonKeyFrames">Optional. Whether to break on non key frames.</param>
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/// <param name="enableRedirection">Whether to enable redirection. Defaults to true.</param>
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/// <response code="200">Audio stream returned.</response>
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/// <response code="302">Redirected to remote audio stream.</response>
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/// <returns>A <see cref="Task"/> containing the audio file.</returns>
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[HttpGet("Audio/{itemId}/universal")]
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[HttpHead("Audio/{itemId}/universal", Name = "HeadUniversalAudioStream")]
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[Authorize(Policy = Policies.DefaultAuthorization)]
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[ProducesResponseType(StatusCodes.Status200OK)]
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[ProducesResponseType(StatusCodes.Status302Found)]
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[ProducesAudioFile]
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public async Task<ActionResult> GetUniversalAudioStream(
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[FromRoute, Required] Guid itemId,
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[FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] container,
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[FromQuery] string? mediaSourceId,
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[FromQuery] string? deviceId,
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[FromQuery] Guid? userId,
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[FromQuery] string? audioCodec,
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[FromQuery] int? maxAudioChannels,
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[FromQuery] int? transcodingAudioChannels,
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[FromQuery] int? maxStreamingBitrate,
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[FromQuery] int? audioBitRate,
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[FromQuery] long? startTimeTicks,
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[FromQuery] string? transcodingContainer,
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[FromQuery] string? transcodingProtocol,
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[FromQuery] int? maxAudioSampleRate,
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[FromQuery] int? maxAudioBitDepth,
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[FromQuery] bool? enableRemoteMedia,
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[FromQuery] bool breakOnNonKeyFrames,
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[FromQuery] bool enableRedirection = true)
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{
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var deviceProfile = GetDeviceProfile(container, transcodingContainer, audioCodec, transcodingProtocol, breakOnNonKeyFrames, transcodingAudioChannels, maxAudioSampleRate, maxAudioBitDepth, maxAudioChannels);
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_authorizationContext.GetAuthorizationInfo(Request).DeviceId = deviceId;
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var authInfo = _authorizationContext.GetAuthorizationInfo(Request);
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_logger.LogInformation("GetPostedPlaybackInfo profile: {@Profile}", deviceProfile);
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if (deviceProfile == null)
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{
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var clientCapabilities = _deviceManager.GetCapabilities(authInfo.DeviceId);
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if (clientCapabilities != null)
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{
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deviceProfile = clientCapabilities.DeviceProfile;
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}
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}
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var info = await _mediaInfoHelper.GetPlaybackInfo(
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itemId,
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userId,
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mediaSourceId)
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.ConfigureAwait(false);
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if (deviceProfile != null)
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{
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// set device specific data
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var item = _libraryManager.GetItemById(itemId);
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foreach (var sourceInfo in info.MediaSources)
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{
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_mediaInfoHelper.SetDeviceSpecificData(
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item,
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sourceInfo,
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deviceProfile,
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authInfo,
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maxStreamingBitrate ?? deviceProfile.MaxStreamingBitrate,
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startTimeTicks ?? 0,
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mediaSourceId ?? string.Empty,
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null,
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null,
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maxAudioChannels,
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info!.PlaySessionId!,
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userId ?? Guid.Empty,
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true,
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true,
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true,
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true,
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true,
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Request.HttpContext.GetNormalizedRemoteIp());
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}
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_mediaInfoHelper.SortMediaSources(info, maxStreamingBitrate);
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}
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if (info.MediaSources != null)
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{
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foreach (var source in info.MediaSources)
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{
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_mediaInfoHelper.NormalizeMediaSourceContainer(source, deviceProfile!, DlnaProfileType.Video);
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}
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}
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var mediaSource = info.MediaSources![0];
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if (mediaSource.SupportsDirectPlay && mediaSource.Protocol == MediaProtocol.Http)
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{
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if (enableRedirection)
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{
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if (mediaSource.IsRemote && enableRemoteMedia.HasValue && enableRemoteMedia.Value)
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{
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return Redirect(mediaSource.Path);
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}
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}
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}
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var isStatic = mediaSource.SupportsDirectStream;
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if (!isStatic && string.Equals(mediaSource.TranscodingSubProtocol, "hls", StringComparison.OrdinalIgnoreCase))
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{
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// hls segment container can only be mpegts or fmp4 per ffmpeg documentation
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// ffmpeg option -> file extension
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// mpegts -> ts
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// fmp4 -> mp4
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// TODO: remove this when we switch back to the segment muxer
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var supportedHlsContainers = new[] { "ts", "mp4" };
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var dynamicHlsRequestDto = new HlsAudioRequestDto
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{
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Id = itemId,
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Container = ".m3u8",
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Static = isStatic,
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PlaySessionId = info.PlaySessionId,
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// fallback to mpegts if device reports some weird value unsupported by hls
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SegmentContainer = Array.Exists(supportedHlsContainers, element => element == transcodingContainer) ? transcodingContainer : "ts",
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MediaSourceId = mediaSourceId,
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DeviceId = deviceId,
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AudioCodec = audioCodec,
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EnableAutoStreamCopy = true,
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AllowAudioStreamCopy = true,
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AllowVideoStreamCopy = true,
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BreakOnNonKeyFrames = breakOnNonKeyFrames,
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AudioSampleRate = maxAudioSampleRate,
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MaxAudioChannels = maxAudioChannels,
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MaxAudioBitDepth = maxAudioBitDepth,
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AudioBitRate = audioBitRate ?? maxStreamingBitrate,
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StartTimeTicks = startTimeTicks,
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SubtitleMethod = SubtitleDeliveryMethod.Hls,
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RequireAvc = true,
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DeInterlace = true,
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RequireNonAnamorphic = true,
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EnableMpegtsM2TsMode = true,
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TranscodeReasons = mediaSource.TranscodeReasons == null ? null : string.Join(",", mediaSource.TranscodeReasons.Select(i => i.ToString()).ToArray()),
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Context = EncodingContext.Static,
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StreamOptions = new Dictionary<string, string>(),
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EnableAdaptiveBitrateStreaming = true
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};
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return await _dynamicHlsHelper.GetMasterHlsPlaylist(TranscodingJobType.Hls, dynamicHlsRequestDto, true)
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.ConfigureAwait(false);
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}
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var audioStreamingDto = new StreamingRequestDto
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{
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Id = itemId,
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Container = isStatic ? null : ("." + mediaSource.TranscodingContainer),
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Static = isStatic,
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PlaySessionId = info.PlaySessionId,
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MediaSourceId = mediaSourceId,
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DeviceId = deviceId,
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AudioCodec = audioCodec,
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EnableAutoStreamCopy = true,
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AllowAudioStreamCopy = true,
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AllowVideoStreamCopy = true,
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BreakOnNonKeyFrames = breakOnNonKeyFrames,
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AudioSampleRate = maxAudioSampleRate,
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MaxAudioChannels = maxAudioChannels,
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AudioBitRate = isStatic ? (int?)null : (audioBitRate ?? maxStreamingBitrate),
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MaxAudioBitDepth = maxAudioBitDepth,
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AudioChannels = maxAudioChannels,
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CopyTimestamps = true,
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StartTimeTicks = startTimeTicks,
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SubtitleMethod = SubtitleDeliveryMethod.Embed,
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TranscodeReasons = mediaSource.TranscodeReasons == null ? null : string.Join(",", mediaSource.TranscodeReasons.Select(i => i.ToString()).ToArray()),
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Context = EncodingContext.Static
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};
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return await _audioHelper.GetAudioStream(TranscodingJobType.Progressive, audioStreamingDto).ConfigureAwait(false);
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}
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private DeviceProfile GetDeviceProfile(
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string[] containers,
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string? transcodingContainer,
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string? audioCodec,
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string? transcodingProtocol,
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bool? breakOnNonKeyFrames,
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int? transcodingAudioChannels,
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int? maxAudioSampleRate,
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int? maxAudioBitDepth,
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int? maxAudioChannels)
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{
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var deviceProfile = new DeviceProfile();
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int len = containers.Length;
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var directPlayProfiles = new DirectPlayProfile[len];
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for (int i = 0; i < len; i++)
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{
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var parts = RequestHelpers.Split(containers[i], '|', true);
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var audioCodecs = parts.Length == 1 ? null : string.Join(',', parts.Skip(1));
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directPlayProfiles[i] = new DirectPlayProfile
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{
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Type = DlnaProfileType.Audio,
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Container = parts[0],
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AudioCodec = audioCodecs
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};
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}
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deviceProfile.DirectPlayProfiles = directPlayProfiles;
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deviceProfile.TranscodingProfiles = new[]
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{
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new TranscodingProfile
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{
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Type = DlnaProfileType.Audio,
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Context = EncodingContext.Streaming,
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Container = transcodingContainer,
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AudioCodec = audioCodec,
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Protocol = transcodingProtocol,
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BreakOnNonKeyFrames = breakOnNonKeyFrames ?? false,
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MaxAudioChannels = transcodingAudioChannels?.ToString(CultureInfo.InvariantCulture)
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}
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};
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var codecProfiles = new List<CodecProfile>();
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var conditions = new List<ProfileCondition>();
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if (maxAudioSampleRate.HasValue)
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{
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// codec profile
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conditions.Add(new ProfileCondition { Condition = ProfileConditionType.LessThanEqual, IsRequired = false, Property = ProfileConditionValue.AudioSampleRate, Value = maxAudioSampleRate.Value.ToString(CultureInfo.InvariantCulture) });
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}
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if (maxAudioBitDepth.HasValue)
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{
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// codec profile
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conditions.Add(new ProfileCondition { Condition = ProfileConditionType.LessThanEqual, IsRequired = false, Property = ProfileConditionValue.AudioBitDepth, Value = maxAudioBitDepth.Value.ToString(CultureInfo.InvariantCulture) });
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}
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if (maxAudioChannels.HasValue)
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{
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// codec profile
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conditions.Add(new ProfileCondition { Condition = ProfileConditionType.LessThanEqual, IsRequired = false, Property = ProfileConditionValue.AudioChannels, Value = maxAudioChannels.Value.ToString(CultureInfo.InvariantCulture) });
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}
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if (conditions.Count > 0)
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{
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// codec profile
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codecProfiles.Add(new CodecProfile { Type = CodecType.Audio, Container = string.Join(',', containers), Conditions = conditions.ToArray() });
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}
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deviceProfile.CodecProfiles = codecProfiles.ToArray();
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return deviceProfile;
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}
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}
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}
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