mirror of
https://github.com/jellyfin/jellyfin.git
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1790 lines
98 KiB
C#
1790 lines
98 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.Diagnostics.CodeAnalysis;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading;
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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.Models.PlaybackDtos;
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using Jellyfin.Api.Models.StreamingDtos;
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using MediaBrowser.Common.Configuration;
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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.Controller.Net;
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using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Net;
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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.Configuration;
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using Microsoft.Extensions.Logging;
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using Microsoft.Net.Http.Headers;
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namespace Jellyfin.Api.Controllers
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{
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/// <summary>
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/// Dynamic hls controller.
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/// </summary>
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[Route("")]
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[Authorize(Policy = Policies.DefaultAuthorization)]
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public class DynamicHlsController : BaseJellyfinApiController
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{
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private readonly ILibraryManager _libraryManager;
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private readonly IUserManager _userManager;
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private readonly IDlnaManager _dlnaManager;
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private readonly IAuthorizationContext _authContext;
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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 IFileSystem _fileSystem;
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private readonly ISubtitleEncoder _subtitleEncoder;
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private readonly IConfiguration _configuration;
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private readonly IDeviceManager _deviceManager;
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private readonly TranscodingJobHelper _transcodingJobHelper;
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private readonly ILogger<DynamicHlsController> _logger;
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private readonly EncodingHelper _encodingHelper;
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private readonly DynamicHlsHelper _dynamicHlsHelper;
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private readonly TranscodingJobType _transcodingJobType = TranscodingJobType.Hls;
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/// <summary>
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/// Initializes a new instance of the <see cref="DynamicHlsController"/> class.
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/// </summary>
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/// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
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/// <param name="userManager">Instance of the <see cref="IUserManager"/> interface.</param>
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/// <param name="dlnaManager">Instance of the <see cref="IDlnaManager"/> interface.</param>
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/// <param name="authContext">Instance of the <see cref="IAuthorizationContext"/> 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="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
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/// <param name="subtitleEncoder">Instance of the <see cref="ISubtitleEncoder"/> interface.</param>
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/// <param name="configuration">Instance of the <see cref="IConfiguration"/> 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 the <see cref="TranscodingJobHelper"/> class.</param>
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/// <param name="logger">Instance of the <see cref="ILogger{DynamicHlsController}"/> interface.</param>
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/// <param name="dynamicHlsHelper">Instance of <see cref="DynamicHlsHelper"/>.</param>
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public DynamicHlsController(
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ILibraryManager libraryManager,
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IUserManager userManager,
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IDlnaManager dlnaManager,
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IAuthorizationContext authContext,
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IMediaSourceManager mediaSourceManager,
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IServerConfigurationManager serverConfigurationManager,
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IMediaEncoder mediaEncoder,
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IFileSystem fileSystem,
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ISubtitleEncoder subtitleEncoder,
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IConfiguration configuration,
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IDeviceManager deviceManager,
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TranscodingJobHelper transcodingJobHelper,
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ILogger<DynamicHlsController> logger,
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DynamicHlsHelper dynamicHlsHelper)
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{
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_libraryManager = libraryManager;
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_userManager = userManager;
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_dlnaManager = dlnaManager;
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_authContext = authContext;
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_mediaSourceManager = mediaSourceManager;
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_serverConfigurationManager = serverConfigurationManager;
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_mediaEncoder = mediaEncoder;
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_fileSystem = fileSystem;
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_subtitleEncoder = subtitleEncoder;
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_configuration = configuration;
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_deviceManager = deviceManager;
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_transcodingJobHelper = transcodingJobHelper;
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_logger = logger;
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_dynamicHlsHelper = dynamicHlsHelper;
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_encodingHelper = new EncodingHelper(_mediaEncoder, _fileSystem, _subtitleEncoder, _configuration);
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}
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/// <summary>
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/// Gets a video hls playlist stream.
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/// </summary>
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/// <param name="itemId">The item id.</param>
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/// <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>
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/// <param name="params">The streaming parameters.</param>
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/// <param name="tag">The tag.</param>
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/// <param name="deviceProfileId">Optional. The dlna device profile id to utilize.</param>
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/// <param name="playSessionId">The play session id.</param>
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/// <param name="segmentContainer">The segment container.</param>
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/// <param name="segmentLength">The segment lenght.</param>
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/// <param name="minSegments">The minimum number of segments.</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="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>
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/// <param name="enableAutoStreamCopy">Whether or not to allow automatic stream copy if requested values match the original source. Defaults to true.</param>
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/// <param name="allowVideoStreamCopy">Whether or not to allow copying of the video stream url.</param>
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/// <param name="allowAudioStreamCopy">Whether or not to allow copying of the audio stream url.</param>
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/// <param name="breakOnNonKeyFrames">Optional. Whether to break on non key frames.</param>
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/// <param name="audioSampleRate">Optional. Specify a specific audio sample rate, e.g. 44100.</param>
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/// <param name="maxAudioBitDepth">Optional. The maximum audio bit depth.</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="audioChannels">Optional. Specify a specific number of audio channels to encode to, e.g. 2.</param>
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/// <param name="maxAudioChannels">Optional. Specify a maximum number of audio channels to encode to, e.g. 2.</param>
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/// <param name="profile">Optional. Specify a specific an encoder profile (varies by encoder), e.g. main, baseline, high.</param>
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/// <param name="level">Optional. Specify a level for the encoder profile (varies by encoder), e.g. 3, 3.1.</param>
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/// <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>
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/// <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>
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/// <param name="copyTimestamps">Whether or not to copy timestamps when transcoding with an offset. Defaults to false.</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="width">Optional. The fixed horizontal resolution of the encoded video.</param>
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/// <param name="height">Optional. The fixed vertical resolution of the encoded video.</param>
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/// <param name="videoBitRate">Optional. Specify a video bitrate to encode to, e.g. 500000. If omitted this will be left to encoder defaults.</param>
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/// <param name="subtitleStreamIndex">Optional. The index of the subtitle stream to use. If omitted no subtitles will be used.</param>
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/// <param name="subtitleMethod">Optional. Specify the subtitle delivery method.</param>
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/// <param name="maxRefFrames">Optional.</param>
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/// <param name="maxVideoBitDepth">Optional. The maximum video bit depth.</param>
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/// <param name="requireAvc">Optional. Whether to require avc.</param>
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/// <param name="deInterlace">Optional. Whether to deinterlace the video.</param>
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/// <param name="requireNonAnamorphic">Optional. Whether to require a non anamporphic stream.</param>
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/// <param name="transcodingMaxAudioChannels">Optional. The maximum number of audio channels to transcode.</param>
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/// <param name="cpuCoreLimit">Optional. The limit of how many cpu cores to use.</param>
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/// <param name="liveStreamId">The live stream id.</param>
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/// <param name="enableMpegtsM2TsMode">Optional. Whether to enable the MpegtsM2Ts mode.</param>
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/// <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, vpx, wmv.</param>
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/// <param name="subtitleCodec">Optional. Specify a subtitle codec to encode to.</param>
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/// <param name="transcodingReasons">Optional. The transcoding reason.</param>
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/// <param name="audioStreamIndex">Optional. The index of the audio stream to use. If omitted the first audio stream will be used.</param>
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/// <param name="videoStreamIndex">Optional. The index of the video stream to use. If omitted the first video stream will be used.</param>
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/// <param name="context">Optional. The <see cref="EncodingContext"/>.</param>
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/// <param name="streamOptions">Optional. The streaming options.</param>
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/// <param name="enableAdaptiveBitrateStreaming">Enable adaptive bitrate streaming.</param>
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/// <response code="200">Video stream returned.</response>
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/// <returns>A <see cref="FileResult"/> containing the playlist file.</returns>
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[HttpGet("Videos/{itemId}/master.m3u8")]
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[HttpHead("Videos/{itemId}/master.m3u8", Name = "HeadMasterHlsVideoPlaylist")]
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[ProducesResponseType(StatusCodes.Status200OK)]
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[ProducesPlaylistFile]
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public async Task<ActionResult> GetMasterHlsVideoPlaylist(
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[FromRoute, Required] Guid itemId,
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[FromQuery] bool? @static,
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[FromQuery] string? @params,
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[FromQuery] string? tag,
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[FromQuery] string? deviceProfileId,
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[FromQuery] string? playSessionId,
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[FromQuery] string? segmentContainer,
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[FromQuery] int? segmentLength,
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[FromQuery] int? minSegments,
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[FromQuery, Required] string mediaSourceId,
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[FromQuery] string? deviceId,
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[FromQuery] string? audioCodec,
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[FromQuery] bool? enableAutoStreamCopy,
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[FromQuery] bool? allowVideoStreamCopy,
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[FromQuery] bool? allowAudioStreamCopy,
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[FromQuery] bool? breakOnNonKeyFrames,
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[FromQuery] int? audioSampleRate,
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[FromQuery] int? maxAudioBitDepth,
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[FromQuery] int? audioBitRate,
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[FromQuery] int? audioChannels,
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[FromQuery] int? maxAudioChannels,
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[FromQuery] string? profile,
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[FromQuery] string? level,
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[FromQuery] float? framerate,
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[FromQuery] float? maxFramerate,
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[FromQuery] bool? copyTimestamps,
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[FromQuery] long? startTimeTicks,
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[FromQuery] int? width,
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[FromQuery] int? height,
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[FromQuery] int? videoBitRate,
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[FromQuery] int? subtitleStreamIndex,
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[FromQuery] SubtitleDeliveryMethod subtitleMethod,
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[FromQuery] int? maxRefFrames,
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[FromQuery] int? maxVideoBitDepth,
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[FromQuery] bool? requireAvc,
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[FromQuery] bool? deInterlace,
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[FromQuery] bool? requireNonAnamorphic,
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[FromQuery] int? transcodingMaxAudioChannels,
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[FromQuery] int? cpuCoreLimit,
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[FromQuery] string? liveStreamId,
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[FromQuery] bool? enableMpegtsM2TsMode,
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[FromQuery] string? videoCodec,
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[FromQuery] string? subtitleCodec,
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[FromQuery] string? transcodingReasons,
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[FromQuery] int? audioStreamIndex,
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[FromQuery] int? videoStreamIndex,
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[FromQuery] EncodingContext context,
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[FromQuery] Dictionary<string, string> streamOptions,
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[FromQuery] bool enableAdaptiveBitrateStreaming = true)
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{
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var streamingRequest = new HlsVideoRequestDto
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{
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Id = itemId,
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Static = @static ?? true,
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Params = @params,
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Tag = tag,
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DeviceProfileId = deviceProfileId,
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PlaySessionId = playSessionId,
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SegmentContainer = segmentContainer,
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SegmentLength = segmentLength,
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MinSegments = minSegments,
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MediaSourceId = mediaSourceId,
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DeviceId = deviceId,
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AudioCodec = audioCodec,
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EnableAutoStreamCopy = enableAutoStreamCopy ?? true,
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AllowAudioStreamCopy = allowAudioStreamCopy ?? true,
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AllowVideoStreamCopy = allowVideoStreamCopy ?? true,
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BreakOnNonKeyFrames = breakOnNonKeyFrames ?? false,
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AudioSampleRate = audioSampleRate,
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MaxAudioChannels = maxAudioChannels,
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AudioBitRate = audioBitRate,
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MaxAudioBitDepth = maxAudioBitDepth,
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AudioChannels = audioChannels,
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Profile = profile,
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Level = level,
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Framerate = framerate,
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MaxFramerate = maxFramerate,
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CopyTimestamps = copyTimestamps ?? true,
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StartTimeTicks = startTimeTicks,
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Width = width,
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Height = height,
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VideoBitRate = videoBitRate,
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SubtitleStreamIndex = subtitleStreamIndex,
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SubtitleMethod = subtitleMethod,
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MaxRefFrames = maxRefFrames,
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MaxVideoBitDepth = maxVideoBitDepth,
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RequireAvc = requireAvc ?? true,
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DeInterlace = deInterlace ?? true,
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RequireNonAnamorphic = requireNonAnamorphic ?? true,
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TranscodingMaxAudioChannels = transcodingMaxAudioChannels,
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CpuCoreLimit = cpuCoreLimit,
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LiveStreamId = liveStreamId,
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EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true,
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VideoCodec = videoCodec,
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SubtitleCodec = subtitleCodec,
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TranscodeReasons = transcodingReasons,
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AudioStreamIndex = audioStreamIndex,
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VideoStreamIndex = videoStreamIndex,
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Context = context,
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StreamOptions = streamOptions,
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EnableAdaptiveBitrateStreaming = enableAdaptiveBitrateStreaming
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};
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return await _dynamicHlsHelper.GetMasterHlsPlaylist(_transcodingJobType, streamingRequest, enableAdaptiveBitrateStreaming).ConfigureAwait(false);
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}
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/// <summary>
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/// Gets an audio hls playlist stream.
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/// </summary>
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/// <param name="itemId">The item id.</param>
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/// <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>
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/// <param name="params">The streaming parameters.</param>
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/// <param name="tag">The tag.</param>
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/// <param name="deviceProfileId">Optional. The dlna device profile id to utilize.</param>
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/// <param name="playSessionId">The play session id.</param>
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/// <param name="segmentContainer">The segment container.</param>
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/// <param name="segmentLength">The segment lenght.</param>
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/// <param name="minSegments">The minimum number of segments.</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="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>
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/// <param name="enableAutoStreamCopy">Whether or not to allow automatic stream copy if requested values match the original source. Defaults to true.</param>
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/// <param name="allowVideoStreamCopy">Whether or not to allow copying of the video stream url.</param>
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/// <param name="allowAudioStreamCopy">Whether or not to allow copying of the audio stream url.</param>
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/// <param name="breakOnNonKeyFrames">Optional. Whether to break on non key frames.</param>
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/// <param name="audioSampleRate">Optional. Specify a specific audio sample rate, e.g. 44100.</param>
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/// <param name="maxAudioBitDepth">Optional. The maximum audio bit depth.</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="audioChannels">Optional. Specify a specific number of audio channels to encode to, e.g. 2.</param>
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/// <param name="maxAudioChannels">Optional. Specify a maximum number of audio channels to encode to, e.g. 2.</param>
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/// <param name="profile">Optional. Specify a specific an encoder profile (varies by encoder), e.g. main, baseline, high.</param>
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/// <param name="level">Optional. Specify a level for the encoder profile (varies by encoder), e.g. 3, 3.1.</param>
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/// <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>
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/// <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>
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/// <param name="copyTimestamps">Whether or not to copy timestamps when transcoding with an offset. Defaults to false.</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="width">Optional. The fixed horizontal resolution of the encoded video.</param>
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/// <param name="height">Optional. The fixed vertical resolution of the encoded video.</param>
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/// <param name="videoBitRate">Optional. Specify a video bitrate to encode to, e.g. 500000. If omitted this will be left to encoder defaults.</param>
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/// <param name="subtitleStreamIndex">Optional. The index of the subtitle stream to use. If omitted no subtitles will be used.</param>
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/// <param name="subtitleMethod">Optional. Specify the subtitle delivery method.</param>
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/// <param name="maxRefFrames">Optional.</param>
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/// <param name="maxVideoBitDepth">Optional. The maximum video bit depth.</param>
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/// <param name="requireAvc">Optional. Whether to require avc.</param>
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/// <param name="deInterlace">Optional. Whether to deinterlace the video.</param>
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/// <param name="requireNonAnamorphic">Optional. Whether to require a non anamporphic stream.</param>
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/// <param name="transcodingMaxAudioChannels">Optional. The maximum number of audio channels to transcode.</param>
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/// <param name="cpuCoreLimit">Optional. The limit of how many cpu cores to use.</param>
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/// <param name="liveStreamId">The live stream id.</param>
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/// <param name="enableMpegtsM2TsMode">Optional. Whether to enable the MpegtsM2Ts mode.</param>
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/// <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, vpx, wmv.</param>
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/// <param name="subtitleCodec">Optional. Specify a subtitle codec to encode to.</param>
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/// <param name="transcodingReasons">Optional. The transcoding reason.</param>
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/// <param name="audioStreamIndex">Optional. The index of the audio stream to use. If omitted the first audio stream will be used.</param>
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/// <param name="videoStreamIndex">Optional. The index of the video stream to use. If omitted the first video stream will be used.</param>
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/// <param name="context">Optional. The <see cref="EncodingContext"/>.</param>
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/// <param name="streamOptions">Optional. The streaming options.</param>
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/// <param name="enableAdaptiveBitrateStreaming">Enable adaptive bitrate streaming.</param>
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/// <response code="200">Audio stream returned.</response>
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/// <returns>A <see cref="FileResult"/> containing the playlist file.</returns>
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[HttpGet("Audio/{itemId}/master.m3u8")]
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[HttpHead("Audio/{itemId}/master.m3u8", Name = "HeadMasterHlsAudioPlaylist")]
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[ProducesResponseType(StatusCodes.Status200OK)]
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[ProducesPlaylistFile]
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public async Task<ActionResult> GetMasterHlsAudioPlaylist(
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[FromRoute, Required] Guid itemId,
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[FromQuery] bool? @static,
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[FromQuery] string? @params,
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[FromQuery] string? tag,
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[FromQuery] string? deviceProfileId,
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[FromQuery] string? playSessionId,
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[FromQuery] string? segmentContainer,
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[FromQuery] int? segmentLength,
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[FromQuery] int? minSegments,
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[FromQuery, Required] string mediaSourceId,
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[FromQuery] string? deviceId,
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[FromQuery] string? audioCodec,
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[FromQuery] bool? enableAutoStreamCopy,
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[FromQuery] bool? allowVideoStreamCopy,
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[FromQuery] bool? allowAudioStreamCopy,
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[FromQuery] bool? breakOnNonKeyFrames,
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[FromQuery] int? audioSampleRate,
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[FromQuery] int? maxAudioBitDepth,
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[FromQuery] int? audioBitRate,
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[FromQuery] int? audioChannels,
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[FromQuery] int? maxAudioChannels,
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[FromQuery] string? profile,
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[FromQuery] string? level,
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[FromQuery] float? framerate,
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[FromQuery] float? maxFramerate,
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[FromQuery] bool? copyTimestamps,
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[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? transcodingReasons,
|
|
[FromQuery] int? audioStreamIndex,
|
|
[FromQuery] int? videoStreamIndex,
|
|
[FromQuery] EncodingContext context,
|
|
[FromQuery] Dictionary<string, string> streamOptions,
|
|
[FromQuery] bool enableAdaptiveBitrateStreaming = true)
|
|
{
|
|
var streamingRequest = new HlsAudioRequestDto
|
|
{
|
|
Id = itemId,
|
|
Static = @static ?? true,
|
|
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 ?? true,
|
|
StartTimeTicks = startTimeTicks,
|
|
Width = width,
|
|
Height = height,
|
|
VideoBitRate = videoBitRate,
|
|
SubtitleStreamIndex = subtitleStreamIndex,
|
|
SubtitleMethod = subtitleMethod,
|
|
MaxRefFrames = maxRefFrames,
|
|
MaxVideoBitDepth = maxVideoBitDepth,
|
|
RequireAvc = requireAvc ?? true,
|
|
DeInterlace = deInterlace ?? true,
|
|
RequireNonAnamorphic = requireNonAnamorphic ?? true,
|
|
TranscodingMaxAudioChannels = transcodingMaxAudioChannels,
|
|
CpuCoreLimit = cpuCoreLimit,
|
|
LiveStreamId = liveStreamId,
|
|
EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true,
|
|
VideoCodec = videoCodec,
|
|
SubtitleCodec = subtitleCodec,
|
|
TranscodeReasons = transcodingReasons,
|
|
AudioStreamIndex = audioStreamIndex,
|
|
VideoStreamIndex = videoStreamIndex,
|
|
Context = context,
|
|
StreamOptions = streamOptions,
|
|
EnableAdaptiveBitrateStreaming = enableAdaptiveBitrateStreaming
|
|
};
|
|
|
|
return await _dynamicHlsHelper.GetMasterHlsPlaylist(_transcodingJobType, streamingRequest, enableAdaptiveBitrateStreaming).ConfigureAwait(false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a video stream using HTTP live streaming.
|
|
/// </summary>
|
|
/// <param name="itemId">The item id.</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 anamporphic 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, vpx, wmv.</param>
|
|
/// <param name="subtitleCodec">Optional. Specify a subtitle codec to encode to.</param>
|
|
/// <param name="transcodingReasons">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>
|
|
/// <response code="200">Video stream returned.</response>
|
|
/// <returns>A <see cref="FileResult"/> containing the audio file.</returns>
|
|
[HttpGet("Videos/{itemId}/main.m3u8")]
|
|
[ProducesResponseType(StatusCodes.Status200OK)]
|
|
[ProducesPlaylistFile]
|
|
public async Task<ActionResult> GetVariantHlsVideoPlaylist(
|
|
[FromRoute, Required] Guid itemId,
|
|
[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? transcodingReasons,
|
|
[FromQuery] int? audioStreamIndex,
|
|
[FromQuery] int? videoStreamIndex,
|
|
[FromQuery] EncodingContext context,
|
|
[FromQuery] Dictionary<string, string> streamOptions)
|
|
{
|
|
var cancellationTokenSource = new CancellationTokenSource();
|
|
var streamingRequest = new VideoRequestDto
|
|
{
|
|
Id = itemId,
|
|
Static = @static ?? true,
|
|
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 ?? true,
|
|
StartTimeTicks = startTimeTicks,
|
|
Width = width,
|
|
Height = height,
|
|
VideoBitRate = videoBitRate,
|
|
SubtitleStreamIndex = subtitleStreamIndex,
|
|
SubtitleMethod = subtitleMethod,
|
|
MaxRefFrames = maxRefFrames,
|
|
MaxVideoBitDepth = maxVideoBitDepth,
|
|
RequireAvc = requireAvc ?? true,
|
|
DeInterlace = deInterlace ?? true,
|
|
RequireNonAnamorphic = requireNonAnamorphic ?? true,
|
|
TranscodingMaxAudioChannels = transcodingMaxAudioChannels,
|
|
CpuCoreLimit = cpuCoreLimit,
|
|
LiveStreamId = liveStreamId,
|
|
EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true,
|
|
VideoCodec = videoCodec,
|
|
SubtitleCodec = subtitleCodec,
|
|
TranscodeReasons = transcodingReasons,
|
|
AudioStreamIndex = audioStreamIndex,
|
|
VideoStreamIndex = videoStreamIndex,
|
|
Context = context,
|
|
StreamOptions = streamOptions
|
|
};
|
|
|
|
return await GetVariantPlaylistInternal(streamingRequest, "main", cancellationTokenSource)
|
|
.ConfigureAwait(false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets an audio stream using HTTP live streaming.
|
|
/// </summary>
|
|
/// <param name="itemId">The item id.</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 anamporphic 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, vpx, wmv.</param>
|
|
/// <param name="subtitleCodec">Optional. Specify a subtitle codec to encode to.</param>
|
|
/// <param name="transcodingReasons">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>
|
|
/// <response code="200">Audio stream returned.</response>
|
|
/// <returns>A <see cref="FileResult"/> containing the audio file.</returns>
|
|
[HttpGet("Audio/{itemId}/main.m3u8")]
|
|
[ProducesResponseType(StatusCodes.Status200OK)]
|
|
[ProducesPlaylistFile]
|
|
public async Task<ActionResult> GetVariantHlsAudioPlaylist(
|
|
[FromRoute, Required] Guid itemId,
|
|
[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? transcodingReasons,
|
|
[FromQuery] int? audioStreamIndex,
|
|
[FromQuery] int? videoStreamIndex,
|
|
[FromQuery] EncodingContext context,
|
|
[FromQuery] Dictionary<string, string> streamOptions)
|
|
{
|
|
var cancellationTokenSource = new CancellationTokenSource();
|
|
var streamingRequest = new StreamingRequestDto
|
|
{
|
|
Id = itemId,
|
|
Static = @static ?? true,
|
|
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 ?? true,
|
|
StartTimeTicks = startTimeTicks,
|
|
Width = width,
|
|
Height = height,
|
|
VideoBitRate = videoBitRate,
|
|
SubtitleStreamIndex = subtitleStreamIndex,
|
|
SubtitleMethod = subtitleMethod,
|
|
MaxRefFrames = maxRefFrames,
|
|
MaxVideoBitDepth = maxVideoBitDepth,
|
|
RequireAvc = requireAvc ?? true,
|
|
DeInterlace = deInterlace ?? true,
|
|
RequireNonAnamorphic = requireNonAnamorphic ?? true,
|
|
TranscodingMaxAudioChannels = transcodingMaxAudioChannels,
|
|
CpuCoreLimit = cpuCoreLimit,
|
|
LiveStreamId = liveStreamId,
|
|
EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true,
|
|
VideoCodec = videoCodec,
|
|
SubtitleCodec = subtitleCodec,
|
|
TranscodeReasons = transcodingReasons,
|
|
AudioStreamIndex = audioStreamIndex,
|
|
VideoStreamIndex = videoStreamIndex,
|
|
Context = context,
|
|
StreamOptions = streamOptions
|
|
};
|
|
|
|
return await GetVariantPlaylistInternal(streamingRequest, "main", cancellationTokenSource)
|
|
.ConfigureAwait(false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a video stream using HTTP live streaming.
|
|
/// </summary>
|
|
/// <param name="itemId">The item id.</param>
|
|
/// <param name="playlistId">The playlist id.</param>
|
|
/// <param name="segmentId">The segment id.</param>
|
|
/// <param name="container">The video container. Possible values are: ts, webm, asf, wmv, ogv, mp4, m4v, mkv, mpeg, mpg, avi, 3gp, wmv, wtv, m2ts, mov, iso, flv. </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 anamporphic 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, vpx, wmv.</param>
|
|
/// <param name="subtitleCodec">Optional. Specify a subtitle codec to encode to.</param>
|
|
/// <param name="transcodingReasons">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>
|
|
/// <response code="200">Video stream returned.</response>
|
|
/// <returns>A <see cref="FileResult"/> containing the audio file.</returns>
|
|
[HttpGet("Videos/{itemId}/hls1/{playlistId}/{segmentId}.{container}")]
|
|
[ProducesResponseType(StatusCodes.Status200OK)]
|
|
[ProducesVideoFile]
|
|
[SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "playlistId", Justification = "Imported from ServiceStack")]
|
|
public async Task<ActionResult> GetHlsVideoSegment(
|
|
[FromRoute, Required] Guid itemId,
|
|
[FromRoute, Required] string playlistId,
|
|
[FromRoute, Required] int segmentId,
|
|
[FromRoute] 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? transcodingReasons,
|
|
[FromQuery] int? audioStreamIndex,
|
|
[FromQuery] int? videoStreamIndex,
|
|
[FromQuery] EncodingContext context,
|
|
[FromQuery] Dictionary<string, string> streamOptions)
|
|
{
|
|
var streamingRequest = new VideoRequestDto
|
|
{
|
|
Id = itemId,
|
|
Container = container,
|
|
Static = @static ?? true,
|
|
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 ?? true,
|
|
StartTimeTicks = startTimeTicks,
|
|
Width = width,
|
|
Height = height,
|
|
VideoBitRate = videoBitRate,
|
|
SubtitleStreamIndex = subtitleStreamIndex,
|
|
SubtitleMethod = subtitleMethod,
|
|
MaxRefFrames = maxRefFrames,
|
|
MaxVideoBitDepth = maxVideoBitDepth,
|
|
RequireAvc = requireAvc ?? true,
|
|
DeInterlace = deInterlace ?? true,
|
|
RequireNonAnamorphic = requireNonAnamorphic ?? true,
|
|
TranscodingMaxAudioChannels = transcodingMaxAudioChannels,
|
|
CpuCoreLimit = cpuCoreLimit,
|
|
LiveStreamId = liveStreamId,
|
|
EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true,
|
|
VideoCodec = videoCodec,
|
|
SubtitleCodec = subtitleCodec,
|
|
TranscodeReasons = transcodingReasons,
|
|
AudioStreamIndex = audioStreamIndex,
|
|
VideoStreamIndex = videoStreamIndex,
|
|
Context = context,
|
|
StreamOptions = streamOptions
|
|
};
|
|
|
|
return await GetDynamicSegment(streamingRequest, segmentId)
|
|
.ConfigureAwait(false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a video stream using HTTP live streaming.
|
|
/// </summary>
|
|
/// <param name="itemId">The item id.</param>
|
|
/// <param name="playlistId">The playlist id.</param>
|
|
/// <param name="segmentId">The segment id.</param>
|
|
/// <param name="container">The video container. Possible values are: ts, webm, asf, wmv, ogv, mp4, m4v, mkv, mpeg, mpg, avi, 3gp, wmv, wtv, m2ts, mov, iso, flv. </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 anamporphic 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, vpx, wmv.</param>
|
|
/// <param name="subtitleCodec">Optional. Specify a subtitle codec to encode to.</param>
|
|
/// <param name="transcodingReasons">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>
|
|
/// <response code="200">Video stream returned.</response>
|
|
/// <returns>A <see cref="FileResult"/> containing the audio file.</returns>
|
|
[HttpGet("Audio/{itemId}/hls1/{playlistId}/{segmentId}.{container}")]
|
|
[ProducesResponseType(StatusCodes.Status200OK)]
|
|
[ProducesAudioFile]
|
|
[SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "playlistId", Justification = "Imported from ServiceStack")]
|
|
public async Task<ActionResult> GetHlsAudioSegment(
|
|
[FromRoute, Required] Guid itemId,
|
|
[FromRoute, Required] string playlistId,
|
|
[FromRoute, Required] int segmentId,
|
|
[FromRoute] 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? transcodingReasons,
|
|
[FromQuery] int? audioStreamIndex,
|
|
[FromQuery] int? videoStreamIndex,
|
|
[FromQuery] EncodingContext context,
|
|
[FromQuery] Dictionary<string, string> streamOptions)
|
|
{
|
|
var streamingRequest = new StreamingRequestDto
|
|
{
|
|
Id = itemId,
|
|
Container = container,
|
|
Static = @static ?? true,
|
|
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 ?? true,
|
|
StartTimeTicks = startTimeTicks,
|
|
Width = width,
|
|
Height = height,
|
|
VideoBitRate = videoBitRate,
|
|
SubtitleStreamIndex = subtitleStreamIndex,
|
|
SubtitleMethod = subtitleMethod,
|
|
MaxRefFrames = maxRefFrames,
|
|
MaxVideoBitDepth = maxVideoBitDepth,
|
|
RequireAvc = requireAvc ?? true,
|
|
DeInterlace = deInterlace ?? true,
|
|
RequireNonAnamorphic = requireNonAnamorphic ?? true,
|
|
TranscodingMaxAudioChannels = transcodingMaxAudioChannels,
|
|
CpuCoreLimit = cpuCoreLimit,
|
|
LiveStreamId = liveStreamId,
|
|
EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? true,
|
|
VideoCodec = videoCodec,
|
|
SubtitleCodec = subtitleCodec,
|
|
TranscodeReasons = transcodingReasons,
|
|
AudioStreamIndex = audioStreamIndex,
|
|
VideoStreamIndex = videoStreamIndex,
|
|
Context = context,
|
|
StreamOptions = streamOptions
|
|
};
|
|
|
|
return await GetDynamicSegment(streamingRequest, segmentId)
|
|
.ConfigureAwait(false);
|
|
}
|
|
|
|
private async Task<ActionResult> GetVariantPlaylistInternal(StreamingRequestDto streamingRequest, string name, CancellationTokenSource cancellationTokenSource)
|
|
{
|
|
using var state = await StreamingHelpers.GetStreamingState(
|
|
streamingRequest,
|
|
Request,
|
|
_authContext,
|
|
_mediaSourceManager,
|
|
_userManager,
|
|
_libraryManager,
|
|
_serverConfigurationManager,
|
|
_mediaEncoder,
|
|
_fileSystem,
|
|
_subtitleEncoder,
|
|
_configuration,
|
|
_dlnaManager,
|
|
_deviceManager,
|
|
_transcodingJobHelper,
|
|
_transcodingJobType,
|
|
cancellationTokenSource.Token)
|
|
.ConfigureAwait(false);
|
|
|
|
Response.Headers.Add(HeaderNames.Expires, "0");
|
|
|
|
var segmentLengths = GetSegmentLengths(state);
|
|
|
|
var builder = new StringBuilder();
|
|
|
|
builder.AppendLine("#EXTM3U")
|
|
.AppendLine("#EXT-X-PLAYLIST-TYPE:VOD")
|
|
.AppendLine("#EXT-X-VERSION:3")
|
|
.Append("#EXT-X-TARGETDURATION:")
|
|
.Append(Math.Ceiling(segmentLengths.Length > 0 ? segmentLengths.Max() : state.SegmentLength))
|
|
.AppendLine()
|
|
.AppendLine("#EXT-X-MEDIA-SEQUENCE:0");
|
|
|
|
var index = 0;
|
|
var segmentExtension = GetSegmentFileExtension(streamingRequest.SegmentContainer);
|
|
var queryString = Request.QueryString;
|
|
|
|
foreach (var length in segmentLengths)
|
|
{
|
|
builder.Append("#EXTINF:")
|
|
.Append(length.ToString("0.0000", CultureInfo.InvariantCulture))
|
|
.AppendLine(", nodesc")
|
|
.Append("hls1/")
|
|
.Append(name)
|
|
.Append('/')
|
|
.Append(index++)
|
|
.Append(segmentExtension)
|
|
.Append(queryString)
|
|
.AppendLine();
|
|
}
|
|
|
|
builder.AppendLine("#EXT-X-ENDLIST");
|
|
return new FileContentResult(Encoding.UTF8.GetBytes(builder.ToString()), MimeTypes.GetMimeType("playlist.m3u8"));
|
|
}
|
|
|
|
private async Task<ActionResult> GetDynamicSegment(StreamingRequestDto streamingRequest, int segmentId)
|
|
{
|
|
if ((streamingRequest.StartTimeTicks ?? 0) > 0)
|
|
{
|
|
throw new ArgumentException("StartTimeTicks is not allowed.");
|
|
}
|
|
|
|
var cancellationTokenSource = new CancellationTokenSource();
|
|
var cancellationToken = cancellationTokenSource.Token;
|
|
|
|
using var state = await StreamingHelpers.GetStreamingState(
|
|
streamingRequest,
|
|
Request,
|
|
_authContext,
|
|
_mediaSourceManager,
|
|
_userManager,
|
|
_libraryManager,
|
|
_serverConfigurationManager,
|
|
_mediaEncoder,
|
|
_fileSystem,
|
|
_subtitleEncoder,
|
|
_configuration,
|
|
_dlnaManager,
|
|
_deviceManager,
|
|
_transcodingJobHelper,
|
|
_transcodingJobType,
|
|
cancellationTokenSource.Token)
|
|
.ConfigureAwait(false);
|
|
|
|
var playlistPath = Path.ChangeExtension(state.OutputFilePath, ".m3u8");
|
|
|
|
var segmentPath = GetSegmentPath(state, playlistPath, segmentId);
|
|
|
|
var segmentExtension = GetSegmentFileExtension(state.Request.SegmentContainer);
|
|
|
|
TranscodingJobDto? job;
|
|
|
|
if (System.IO.File.Exists(segmentPath))
|
|
{
|
|
job = _transcodingJobHelper.OnTranscodeBeginRequest(playlistPath, _transcodingJobType);
|
|
_logger.LogDebug("returning {0} [it exists, try 1]", segmentPath);
|
|
return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, segmentId, job, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
var transcodingLock = _transcodingJobHelper.GetTranscodingLock(playlistPath);
|
|
await transcodingLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
|
|
var released = false;
|
|
var startTranscoding = false;
|
|
|
|
try
|
|
{
|
|
if (System.IO.File.Exists(segmentPath))
|
|
{
|
|
job = _transcodingJobHelper.OnTranscodeBeginRequest(playlistPath, _transcodingJobType);
|
|
transcodingLock.Release();
|
|
released = true;
|
|
_logger.LogDebug("returning {0} [it exists, try 2]", segmentPath);
|
|
return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, segmentId, job, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
else
|
|
{
|
|
var currentTranscodingIndex = GetCurrentTranscodingIndex(playlistPath, segmentExtension);
|
|
var segmentGapRequiringTranscodingChange = 24 / state.SegmentLength;
|
|
|
|
if (currentTranscodingIndex == null)
|
|
{
|
|
_logger.LogDebug("Starting transcoding because currentTranscodingIndex=null");
|
|
startTranscoding = true;
|
|
}
|
|
else if (segmentId < currentTranscodingIndex.Value)
|
|
{
|
|
_logger.LogDebug("Starting transcoding because requestedIndex={0} and currentTranscodingIndex={1}", segmentId, currentTranscodingIndex);
|
|
startTranscoding = true;
|
|
}
|
|
else if (segmentId - currentTranscodingIndex.Value > segmentGapRequiringTranscodingChange)
|
|
{
|
|
_logger.LogDebug("Starting transcoding because segmentGap is {0} and max allowed gap is {1}. requestedIndex={2}", segmentId - currentTranscodingIndex.Value, segmentGapRequiringTranscodingChange, segmentId);
|
|
startTranscoding = true;
|
|
}
|
|
|
|
if (startTranscoding)
|
|
{
|
|
// If the playlist doesn't already exist, startup ffmpeg
|
|
try
|
|
{
|
|
await _transcodingJobHelper.KillTranscodingJobs(streamingRequest.DeviceId, streamingRequest.PlaySessionId, p => false)
|
|
.ConfigureAwait(false);
|
|
|
|
if (currentTranscodingIndex.HasValue)
|
|
{
|
|
DeleteLastFile(playlistPath, segmentExtension, 0);
|
|
}
|
|
|
|
streamingRequest.StartTimeTicks = GetStartPositionTicks(state, segmentId);
|
|
|
|
state.WaitForPath = segmentPath;
|
|
var encodingOptions = _serverConfigurationManager.GetEncodingOptions();
|
|
job = await _transcodingJobHelper.StartFfMpeg(
|
|
state,
|
|
playlistPath,
|
|
GetCommandLineArguments(playlistPath, encodingOptions, state, true, segmentId),
|
|
Request,
|
|
_transcodingJobType,
|
|
cancellationTokenSource).ConfigureAwait(false);
|
|
}
|
|
catch
|
|
{
|
|
state.Dispose();
|
|
throw;
|
|
}
|
|
|
|
// await WaitForMinimumSegmentCount(playlistPath, 1, cancellationTokenSource.Token).ConfigureAwait(false);
|
|
}
|
|
else
|
|
{
|
|
job = _transcodingJobHelper.OnTranscodeBeginRequest(playlistPath, _transcodingJobType);
|
|
if (job?.TranscodingThrottler != null)
|
|
{
|
|
await job.TranscodingThrottler.UnpauseTranscoding().ConfigureAwait(false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
if (!released)
|
|
{
|
|
transcodingLock.Release();
|
|
}
|
|
}
|
|
|
|
_logger.LogDebug("returning {0} [general case]", segmentPath);
|
|
job ??= _transcodingJobHelper.OnTranscodeBeginRequest(playlistPath, _transcodingJobType);
|
|
return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, segmentId, job, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
private double[] GetSegmentLengths(StreamState state)
|
|
{
|
|
var result = new List<double>();
|
|
|
|
var ticks = state.RunTimeTicks ?? 0;
|
|
|
|
var segmentLengthTicks = TimeSpan.FromSeconds(state.SegmentLength).Ticks;
|
|
|
|
while (ticks > 0)
|
|
{
|
|
var length = ticks >= segmentLengthTicks ? segmentLengthTicks : ticks;
|
|
|
|
result.Add(TimeSpan.FromTicks(length).TotalSeconds);
|
|
|
|
ticks -= length;
|
|
}
|
|
|
|
return result.ToArray();
|
|
}
|
|
|
|
private string GetCommandLineArguments(string outputPath, EncodingOptions encodingOptions, StreamState state, bool isEncoding, int startNumber)
|
|
{
|
|
var videoCodec = _encodingHelper.GetVideoEncoder(state, encodingOptions);
|
|
|
|
var threads = _encodingHelper.GetNumberOfThreads(state, encodingOptions, videoCodec);
|
|
|
|
if (state.BaseRequest.BreakOnNonKeyFrames)
|
|
{
|
|
// FIXME: this is actually a workaround, as ideally it really should be the client which decides whether non-keyframe
|
|
// breakpoints are supported; but current implementation always uses "ffmpeg input seeking" which is liable
|
|
// to produce a missing part of video stream before first keyframe is encountered, which may lead to
|
|
// awkward cases like a few starting HLS segments having no video whatsoever, which breaks hls.js
|
|
_logger.LogInformation("Current HLS implementation doesn't support non-keyframe breaks but one is requested, ignoring that request");
|
|
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 mapArgs = state.IsOutputVideo ? _encodingHelper.GetMapArgs(state) : string.Empty;
|
|
|
|
var outputTsArg = Path.Combine(Path.GetDirectoryName(outputPath), Path.GetFileNameWithoutExtension(outputPath)) + "%d" + GetSegmentFileExtension(state.Request.SegmentContainer);
|
|
|
|
var segmentFormat = GetSegmentFileExtension(state.Request.SegmentContainer).TrimStart('.');
|
|
if (string.Equals(segmentFormat, "ts", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
segmentFormat = "mpegts";
|
|
}
|
|
|
|
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}\"",
|
|
inputModifier,
|
|
_encodingHelper.GetInputArgument(state, encodingOptions),
|
|
threads,
|
|
mapArgs,
|
|
GetVideoArguments(state, encodingOptions, startNumber),
|
|
GetAudioArguments(state, encodingOptions),
|
|
maxMuxingQueueSize,
|
|
state.SegmentLength.ToString(CultureInfo.InvariantCulture),
|
|
segmentFormat,
|
|
startNumberParam,
|
|
outputTsArg,
|
|
outputPath).Trim();
|
|
}
|
|
|
|
private string GetAudioArguments(StreamState state, EncodingOptions encodingOptions)
|
|
{
|
|
var audioCodec = _encodingHelper.GetAudioEncoder(state);
|
|
|
|
if (!state.IsOutputVideo)
|
|
{
|
|
if (EncodingHelper.IsCopyCodec(audioCodec))
|
|
{
|
|
return "-acodec copy";
|
|
}
|
|
|
|
var audioTranscodeParams = new List<string>();
|
|
|
|
audioTranscodeParams.Add("-acodec " + audioCodec);
|
|
|
|
if (state.OutputAudioBitrate.HasValue)
|
|
{
|
|
audioTranscodeParams.Add("-ab " + state.OutputAudioBitrate.Value.ToString(CultureInfo.InvariantCulture));
|
|
}
|
|
|
|
if (state.OutputAudioChannels.HasValue)
|
|
{
|
|
audioTranscodeParams.Add("-ac " + state.OutputAudioChannels.Value.ToString(CultureInfo.InvariantCulture));
|
|
}
|
|
|
|
if (state.OutputAudioSampleRate.HasValue)
|
|
{
|
|
audioTranscodeParams.Add("-ar " + state.OutputAudioSampleRate.Value.ToString(CultureInfo.InvariantCulture));
|
|
}
|
|
|
|
audioTranscodeParams.Add("-vn");
|
|
return string.Join(' ', audioTranscodeParams);
|
|
}
|
|
|
|
if (EncodingHelper.IsCopyCodec(audioCodec))
|
|
{
|
|
var videoCodec = _encodingHelper.GetVideoEncoder(state, encodingOptions);
|
|
|
|
if (EncodingHelper.IsCopyCodec(videoCodec) && state.EnableBreakOnNonKeyFrames(videoCodec))
|
|
{
|
|
return "-codec:a:0 copy -copypriorss:a:0 0";
|
|
}
|
|
|
|
return "-codec:a:0 copy";
|
|
}
|
|
|
|
var args = "-codec:a:0 " + audioCodec;
|
|
|
|
var channels = state.OutputAudioChannels;
|
|
|
|
if (channels.HasValue)
|
|
{
|
|
args += " -ac " + channels.Value;
|
|
}
|
|
|
|
var bitrate = state.OutputAudioBitrate;
|
|
|
|
if (bitrate.HasValue)
|
|
{
|
|
args += " -ab " + bitrate.Value.ToString(CultureInfo.InvariantCulture);
|
|
}
|
|
|
|
if (state.OutputAudioSampleRate.HasValue)
|
|
{
|
|
args += " -ar " + state.OutputAudioSampleRate.Value.ToString(CultureInfo.InvariantCulture);
|
|
}
|
|
|
|
args += " " + _encodingHelper.GetAudioFilterParam(state, encodingOptions, true);
|
|
|
|
return args;
|
|
}
|
|
|
|
private string GetVideoArguments(StreamState state, EncodingOptions encodingOptions, int startNumber)
|
|
{
|
|
if (!state.IsOutputVideo)
|
|
{
|
|
return string.Empty;
|
|
}
|
|
|
|
var codec = _encodingHelper.GetVideoEncoder(state, encodingOptions);
|
|
|
|
var args = "-codec:v:0 " + codec;
|
|
|
|
// if (state.EnableMpegtsM2TsMode)
|
|
// {
|
|
// args += " -mpegts_m2ts_mode 1";
|
|
// }
|
|
|
|
// 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))
|
|
{
|
|
string bitStreamArgs = _encodingHelper.GetBitStreamArgs(state.VideoStream);
|
|
if (!string.IsNullOrEmpty(bitStreamArgs))
|
|
{
|
|
args += " " + bitStreamArgs;
|
|
}
|
|
}
|
|
|
|
// args += " -flags -global_header";
|
|
}
|
|
else
|
|
{
|
|
var gopArg = string.Empty;
|
|
var keyFrameArg = string.Format(
|
|
CultureInfo.InvariantCulture,
|
|
" -force_key_frames:0 \"expr:gte(t,{0}+n_forced*{1})\"",
|
|
startNumber * state.SegmentLength,
|
|
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
|
|
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");
|
|
|
|
// Unable to force key frames using these hw 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))
|
|
{
|
|
args += " " + gopArg;
|
|
}
|
|
else
|
|
{
|
|
args += " " + keyFrameArg + gopArg;
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
|
|
// Add resolution params, if specified
|
|
else
|
|
{
|
|
args += _encodingHelper.GetOutputSizeParam(state, encodingOptions, codec);
|
|
}
|
|
|
|
// -start_at_zero is necessary to use with -ss when seeking,
|
|
// otherwise the target position cannot be determined.
|
|
if (!(state.SubtitleStream != null && state.SubtitleStream.IsExternal && !state.SubtitleStream.IsTextSubtitleStream))
|
|
{
|
|
args += " -start_at_zero";
|
|
}
|
|
|
|
// args += " -flags -global_header";
|
|
}
|
|
|
|
if (!string.IsNullOrEmpty(state.OutputVideoSync))
|
|
{
|
|
args += " -vsync " + state.OutputVideoSync;
|
|
}
|
|
|
|
args += _encodingHelper.GetOutputFFlags(state);
|
|
|
|
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);
|
|
|
|
var filename = Path.GetFileNameWithoutExtension(playlist);
|
|
|
|
return Path.Combine(folder, filename + index.ToString(CultureInfo.InvariantCulture) + GetSegmentFileExtension(state.Request.SegmentContainer));
|
|
}
|
|
|
|
private async Task<ActionResult> GetSegmentResult(
|
|
StreamState state,
|
|
string playlistPath,
|
|
string segmentPath,
|
|
string segmentExtension,
|
|
int segmentIndex,
|
|
TranscodingJobDto? transcodingJob,
|
|
CancellationToken cancellationToken)
|
|
{
|
|
var segmentExists = System.IO.File.Exists(segmentPath);
|
|
if (segmentExists)
|
|
{
|
|
if (transcodingJob != null && transcodingJob.HasExited)
|
|
{
|
|
// Transcoding job is over, so assume all existing files are ready
|
|
_logger.LogDebug("serving up {0} as transcode is over", segmentPath);
|
|
return GetSegmentResult(state, segmentPath, segmentIndex, transcodingJob);
|
|
}
|
|
|
|
var currentTranscodingIndex = GetCurrentTranscodingIndex(playlistPath, segmentExtension);
|
|
|
|
// If requested segment is less than transcoding position, we can't transcode backwards, so assume it's ready
|
|
if (segmentIndex < currentTranscodingIndex)
|
|
{
|
|
_logger.LogDebug("serving up {0} as transcode index {1} is past requested point {2}", segmentPath, currentTranscodingIndex, segmentIndex);
|
|
return GetSegmentResult(state, segmentPath, segmentIndex, transcodingJob);
|
|
}
|
|
}
|
|
|
|
var nextSegmentPath = GetSegmentPath(state, playlistPath, segmentIndex + 1);
|
|
if (transcodingJob != null)
|
|
{
|
|
while (!cancellationToken.IsCancellationRequested && !transcodingJob.HasExited)
|
|
{
|
|
// To be considered ready, the segment file has to exist AND
|
|
// either the transcoding job should be done or next segment should also exist
|
|
if (segmentExists)
|
|
{
|
|
if (transcodingJob.HasExited || System.IO.File.Exists(nextSegmentPath))
|
|
{
|
|
_logger.LogDebug("serving up {0} as it deemed ready", segmentPath);
|
|
return GetSegmentResult(state, segmentPath, segmentIndex, transcodingJob);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
segmentExists = System.IO.File.Exists(segmentPath);
|
|
if (segmentExists)
|
|
{
|
|
continue; // avoid unnecessary waiting if segment just became available
|
|
}
|
|
}
|
|
|
|
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
if (!System.IO.File.Exists(segmentPath))
|
|
{
|
|
_logger.LogWarning("cannot serve {0} as transcoding quit before we got there", segmentPath);
|
|
}
|
|
else
|
|
{
|
|
_logger.LogDebug("serving {0} as it's on disk and transcoding stopped", segmentPath);
|
|
}
|
|
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
}
|
|
else
|
|
{
|
|
_logger.LogWarning("cannot serve {0} as it doesn't exist and no transcode is running", segmentPath);
|
|
}
|
|
|
|
return GetSegmentResult(state, segmentPath, segmentIndex, transcodingJob);
|
|
}
|
|
|
|
private ActionResult GetSegmentResult(StreamState state, string segmentPath, int index, TranscodingJobDto? transcodingJob)
|
|
{
|
|
var segmentEndingPositionTicks = GetEndPositionTicks(state, index);
|
|
|
|
Response.OnCompleted(() =>
|
|
{
|
|
_logger.LogDebug("finished serving {0}", segmentPath);
|
|
if (transcodingJob != null)
|
|
{
|
|
transcodingJob.DownloadPositionTicks = Math.Max(transcodingJob.DownloadPositionTicks ?? segmentEndingPositionTicks, segmentEndingPositionTicks);
|
|
_transcodingJobHelper.OnTranscodeEndRequest(transcodingJob);
|
|
}
|
|
|
|
return Task.CompletedTask;
|
|
});
|
|
|
|
return FileStreamResponseHelpers.GetStaticFileResult(segmentPath, MimeTypes.GetMimeType(segmentPath)!, false, HttpContext);
|
|
}
|
|
|
|
private long GetEndPositionTicks(StreamState state, int requestedIndex)
|
|
{
|
|
double startSeconds = 0;
|
|
var lengths = GetSegmentLengths(state);
|
|
|
|
if (requestedIndex >= lengths.Length)
|
|
{
|
|
var msg = string.Format(
|
|
CultureInfo.InvariantCulture,
|
|
"Invalid segment index requested: {0} - Segment count: {1}",
|
|
requestedIndex,
|
|
lengths.Length);
|
|
throw new ArgumentException(msg);
|
|
}
|
|
|
|
for (var i = 0; i <= requestedIndex; i++)
|
|
{
|
|
startSeconds += lengths[i];
|
|
}
|
|
|
|
return TimeSpan.FromSeconds(startSeconds).Ticks;
|
|
}
|
|
|
|
private int? GetCurrentTranscodingIndex(string playlist, string segmentExtension)
|
|
{
|
|
var job = _transcodingJobHelper.GetTranscodingJob(playlist, _transcodingJobType);
|
|
|
|
if (job == null || job.HasExited)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
var file = GetLastTranscodingFile(playlist, segmentExtension, _fileSystem);
|
|
|
|
if (file == null)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
var playlistFilename = Path.GetFileNameWithoutExtension(playlist);
|
|
|
|
var indexString = Path.GetFileNameWithoutExtension(file.Name).Substring(playlistFilename.Length);
|
|
|
|
return int.Parse(indexString, NumberStyles.Integer, CultureInfo.InvariantCulture);
|
|
}
|
|
|
|
private static FileSystemMetadata? GetLastTranscodingFile(string playlist, string segmentExtension, IFileSystem fileSystem)
|
|
{
|
|
var folder = Path.GetDirectoryName(playlist);
|
|
|
|
var filePrefix = Path.GetFileNameWithoutExtension(playlist) ?? string.Empty;
|
|
|
|
try
|
|
{
|
|
return fileSystem.GetFiles(folder, new[] { segmentExtension }, true, false)
|
|
.Where(i => Path.GetFileNameWithoutExtension(i.Name).StartsWith(filePrefix, StringComparison.OrdinalIgnoreCase))
|
|
.OrderByDescending(fileSystem.GetLastWriteTimeUtc)
|
|
.FirstOrDefault();
|
|
}
|
|
catch (IOException)
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private void DeleteLastFile(string playlistPath, string segmentExtension, int retryCount)
|
|
{
|
|
var file = GetLastTranscodingFile(playlistPath, segmentExtension, _fileSystem);
|
|
|
|
if (file != null)
|
|
{
|
|
DeleteFile(file.FullName, retryCount);
|
|
}
|
|
}
|
|
|
|
private void DeleteFile(string path, int retryCount)
|
|
{
|
|
if (retryCount >= 5)
|
|
{
|
|
return;
|
|
}
|
|
|
|
_logger.LogDebug("Deleting partial HLS file {path}", path);
|
|
|
|
try
|
|
{
|
|
_fileSystem.DeleteFile(path);
|
|
}
|
|
catch (IOException ex)
|
|
{
|
|
_logger.LogError(ex, "Error deleting partial stream file(s) {path}", path);
|
|
|
|
var task = Task.Delay(100);
|
|
Task.WaitAll(task);
|
|
DeleteFile(path, retryCount + 1);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.LogError(ex, "Error deleting partial stream file(s) {path}", path);
|
|
}
|
|
}
|
|
|
|
private long GetStartPositionTicks(StreamState state, int requestedIndex)
|
|
{
|
|
double startSeconds = 0;
|
|
var lengths = GetSegmentLengths(state);
|
|
|
|
if (requestedIndex >= lengths.Length)
|
|
{
|
|
var msg = string.Format(
|
|
CultureInfo.InvariantCulture,
|
|
"Invalid segment index requested: {0} - Segment count: {1}",
|
|
requestedIndex,
|
|
lengths.Length);
|
|
throw new ArgumentException(msg);
|
|
}
|
|
|
|
for (var i = 0; i < requestedIndex; i++)
|
|
{
|
|
startSeconds += lengths[i];
|
|
}
|
|
|
|
var position = TimeSpan.FromSeconds(startSeconds).Ticks;
|
|
return position;
|
|
}
|
|
}
|
|
}
|