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			794 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			794 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
using System;
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using System.Collections.Generic;
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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.Threading;
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using System.Threading.Tasks;
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using Jellyfin.Api.Extensions;
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using Jellyfin.Api.Models.StreamingDtos;
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using Jellyfin.Extensions;
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Devices;
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using MediaBrowser.Controller.Dlna;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Primitives;
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using Microsoft.Net.Http.Headers;
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namespace Jellyfin.Api.Helpers;
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/// <summary>
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/// The streaming helpers.
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/// </summary>
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public static class StreamingHelpers
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{
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    /// <summary>
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    /// Gets the current streaming state.
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    /// </summary>
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    /// <param name="streamingRequest">The <see cref="StreamingRequestDto"/>.</param>
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    /// <param name="httpContext">The <see cref="HttpContext"/>.</param>
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    /// <param name="mediaSourceManager">Instance of the <see cref="IMediaSourceManager"/> interface.</param>
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    /// <param name="userManager">Instance of the <see cref="IUserManager"/> interface.</param>
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    /// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
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    /// <param name="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="encodingHelper">Instance of <see cref="EncodingHelper"/>.</param>
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    /// <param name="dlnaManager">Instance of the <see cref="IDlnaManager"/> interface.</param>
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    /// <param name="deviceManager">Instance of the <see cref="IDeviceManager"/> interface.</param>
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    /// <param name="transcodingJobHelper">Initialized <see cref="TranscodingJobHelper"/>.</param>
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    /// <param name="transcodingJobType">The <see cref="TranscodingJobType"/>.</param>
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    /// <param name="cancellationToken">The <see cref="CancellationToken"/>.</param>
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    /// <returns>A <see cref="Task"/> containing the current <see cref="StreamState"/>.</returns>
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    public static async Task<StreamState> GetStreamingState(
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        StreamingRequestDto streamingRequest,
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        HttpContext httpContext,
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        IMediaSourceManager mediaSourceManager,
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        IUserManager userManager,
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        ILibraryManager libraryManager,
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        IServerConfigurationManager serverConfigurationManager,
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        IMediaEncoder mediaEncoder,
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        EncodingHelper encodingHelper,
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        IDlnaManager dlnaManager,
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        IDeviceManager deviceManager,
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        TranscodingJobHelper transcodingJobHelper,
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        TranscodingJobType transcodingJobType,
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        CancellationToken cancellationToken)
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    {
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        var httpRequest = httpContext.Request;
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        // Parse the DLNA time seek header
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        if (!streamingRequest.StartTimeTicks.HasValue)
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        {
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            var timeSeek = httpRequest.Headers["TimeSeekRange.dlna.org"];
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            streamingRequest.StartTimeTicks = ParseTimeSeekHeader(timeSeek.ToString());
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        }
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        if (!string.IsNullOrWhiteSpace(streamingRequest.Params))
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        {
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            ParseParams(streamingRequest);
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        }
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        streamingRequest.StreamOptions = ParseStreamOptions(httpRequest.Query);
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        if (httpRequest.Path.Value is null)
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        {
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            throw new ResourceNotFoundException(nameof(httpRequest.Path));
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        }
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        var url = httpRequest.Path.Value.AsSpan().RightPart('.').ToString();
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        if (string.IsNullOrEmpty(streamingRequest.AudioCodec))
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        {
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            streamingRequest.AudioCodec = encodingHelper.InferAudioCodec(url);
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        }
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        var enableDlnaHeaders = !string.IsNullOrWhiteSpace(streamingRequest.Params) ||
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                                streamingRequest.StreamOptions.ContainsKey("dlnaheaders") ||
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                                string.Equals(httpRequest.Headers["GetContentFeatures.DLNA.ORG"], "1", StringComparison.OrdinalIgnoreCase);
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        var state = new StreamState(mediaSourceManager, transcodingJobType, transcodingJobHelper)
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        {
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            Request = streamingRequest,
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            RequestedUrl = url,
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            UserAgent = httpRequest.Headers[HeaderNames.UserAgent],
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            EnableDlnaHeaders = enableDlnaHeaders
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        };
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        var userId = httpContext.User.GetUserId();
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        if (!userId.Equals(default))
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        {
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            state.User = userManager.GetUserById(userId);
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        }
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        if (state.IsVideoRequest && !string.IsNullOrWhiteSpace(state.Request.VideoCodec))
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        {
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            state.SupportedVideoCodecs = state.Request.VideoCodec.Split(',', StringSplitOptions.RemoveEmptyEntries);
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            state.Request.VideoCodec = state.SupportedVideoCodecs.FirstOrDefault();
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        }
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        if (!string.IsNullOrWhiteSpace(streamingRequest.AudioCodec))
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        {
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            state.SupportedAudioCodecs = streamingRequest.AudioCodec.Split(',', StringSplitOptions.RemoveEmptyEntries);
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            state.Request.AudioCodec = state.SupportedAudioCodecs.FirstOrDefault(mediaEncoder.CanEncodeToAudioCodec)
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                                       ?? state.SupportedAudioCodecs.FirstOrDefault();
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        }
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        if (!string.IsNullOrWhiteSpace(streamingRequest.SubtitleCodec))
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        {
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            state.SupportedSubtitleCodecs = streamingRequest.SubtitleCodec.Split(',', StringSplitOptions.RemoveEmptyEntries);
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            state.Request.SubtitleCodec = state.SupportedSubtitleCodecs.FirstOrDefault(mediaEncoder.CanEncodeToSubtitleCodec)
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                                          ?? state.SupportedSubtitleCodecs.FirstOrDefault();
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        }
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        var item = libraryManager.GetItemById(streamingRequest.Id);
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        state.IsInputVideo = string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase);
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        MediaSourceInfo? mediaSource = null;
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        if (string.IsNullOrWhiteSpace(streamingRequest.LiveStreamId))
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        {
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            var currentJob = !string.IsNullOrWhiteSpace(streamingRequest.PlaySessionId)
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                ? transcodingJobHelper.GetTranscodingJob(streamingRequest.PlaySessionId)
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                : null;
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            if (currentJob is not null)
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            {
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                mediaSource = currentJob.MediaSource;
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            }
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            if (mediaSource is null)
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            {
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                var mediaSources = await mediaSourceManager.GetPlaybackMediaSources(libraryManager.GetItemById(streamingRequest.Id), null, false, false, cancellationToken).ConfigureAwait(false);
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                mediaSource = string.IsNullOrEmpty(streamingRequest.MediaSourceId)
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                    ? mediaSources[0]
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                    : mediaSources.Find(i => string.Equals(i.Id, streamingRequest.MediaSourceId, StringComparison.Ordinal));
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                if (mediaSource is null && Guid.Parse(streamingRequest.MediaSourceId).Equals(streamingRequest.Id))
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                {
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                    mediaSource = mediaSources[0];
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                }
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            }
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        }
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        else
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        {
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            var liveStreamInfo = await mediaSourceManager.GetLiveStreamWithDirectStreamProvider(streamingRequest.LiveStreamId, cancellationToken).ConfigureAwait(false);
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            mediaSource = liveStreamInfo.Item1;
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            state.DirectStreamProvider = liveStreamInfo.Item2;
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        }
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        var encodingOptions = serverConfigurationManager.GetEncodingOptions();
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        encodingHelper.AttachMediaSourceInfo(state, encodingOptions, mediaSource, url);
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        string? containerInternal = Path.GetExtension(state.RequestedUrl);
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        if (!string.IsNullOrEmpty(streamingRequest.Container))
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        {
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            containerInternal = streamingRequest.Container;
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        }
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        if (string.IsNullOrEmpty(containerInternal))
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        {
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            containerInternal = streamingRequest.Static ?
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                StreamBuilder.NormalizeMediaSourceFormatIntoSingleContainer(state.InputContainer, null, DlnaProfileType.Audio)
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                : GetOutputFileExtension(state, mediaSource);
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        }
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        var outputAudioCodec = streamingRequest.AudioCodec;
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        if (EncodingHelper.LosslessAudioCodecs.Contains(outputAudioCodec))
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        {
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            state.OutputAudioBitrate = state.AudioStream.BitRate ?? 0;
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        }
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        else
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        {
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            state.OutputAudioBitrate = encodingHelper.GetAudioBitrateParam(streamingRequest.AudioBitRate, streamingRequest.AudioCodec, state.AudioStream, state.OutputAudioChannels) ?? 0;
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        }
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        state.OutputAudioCodec = outputAudioCodec;
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        state.OutputContainer = (containerInternal ?? string.Empty).TrimStart('.');
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        state.OutputAudioChannels = encodingHelper.GetNumAudioChannelsParam(state, state.AudioStream, state.OutputAudioCodec);
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        if (state.VideoRequest is not null)
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        {
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            state.OutputVideoCodec = state.Request.VideoCodec;
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            state.OutputVideoBitrate = encodingHelper.GetVideoBitrateParamValue(state.VideoRequest, state.VideoStream, state.OutputVideoCodec);
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            encodingHelper.TryStreamCopy(state);
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            if (!EncodingHelper.IsCopyCodec(state.OutputVideoCodec) && state.OutputVideoBitrate.HasValue)
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            {
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                var isVideoResolutionNotRequested = !state.VideoRequest.Width.HasValue
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                    && !state.VideoRequest.Height.HasValue
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                    && !state.VideoRequest.MaxWidth.HasValue
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                    && !state.VideoRequest.MaxHeight.HasValue;
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                if (isVideoResolutionNotRequested
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                    && state.VideoStream is not null
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                    && state.VideoRequest.VideoBitRate.HasValue
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                    && state.VideoStream.BitRate.HasValue
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                    && state.VideoRequest.VideoBitRate.Value >= state.VideoStream.BitRate.Value)
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                {
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                    // Don't downscale the resolution if the width/height/MaxWidth/MaxHeight is not requested,
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                    // and the requested video bitrate is higher than source video bitrate.
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                    if (state.VideoStream.Width.HasValue || state.VideoStream.Height.HasValue)
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                    {
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                        state.VideoRequest.MaxWidth = state.VideoStream?.Width;
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                        state.VideoRequest.MaxHeight = state.VideoStream?.Height;
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                    }
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                }
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                else
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                {
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                    var resolution = ResolutionNormalizer.Normalize(
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                        state.VideoStream?.BitRate,
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                        state.OutputVideoBitrate.Value,
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                        state.VideoRequest.MaxWidth,
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                        state.VideoRequest.MaxHeight);
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                    state.VideoRequest.MaxWidth = resolution.MaxWidth;
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                    state.VideoRequest.MaxHeight = resolution.MaxHeight;
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                }
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            }
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        }
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        ApplyDeviceProfileSettings(state, dlnaManager, deviceManager, httpRequest, streamingRequest.DeviceProfileId, streamingRequest.Static);
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        var ext = string.IsNullOrWhiteSpace(state.OutputContainer)
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            ? GetOutputFileExtension(state, mediaSource)
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            : ("." + state.OutputContainer);
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        state.OutputFilePath = GetOutputFilePath(state, ext!, serverConfigurationManager, streamingRequest.DeviceId, streamingRequest.PlaySessionId);
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        return state;
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    }
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    /// <summary>
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    /// Adds the dlna headers.
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    /// </summary>
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    /// <param name="state">The state.</param>
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    /// <param name="responseHeaders">The response headers.</param>
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    /// <param name="isStaticallyStreamed">if set to <c>true</c> [is statically streamed].</param>
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    /// <param name="startTimeTicks">The start time in ticks.</param>
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    /// <param name="request">The <see cref="HttpRequest"/>.</param>
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    /// <param name="dlnaManager">Instance of the <see cref="IDlnaManager"/> interface.</param>
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    public static void AddDlnaHeaders(
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        StreamState state,
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        IHeaderDictionary responseHeaders,
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        bool isStaticallyStreamed,
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        long? startTimeTicks,
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        HttpRequest request,
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        IDlnaManager dlnaManager)
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    {
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        if (!state.EnableDlnaHeaders)
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        {
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            return;
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        }
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        var profile = state.DeviceProfile;
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        StringValues transferMode = request.Headers["transferMode.dlna.org"];
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        responseHeaders.Add("transferMode.dlna.org", string.IsNullOrEmpty(transferMode) ? "Streaming" : transferMode.ToString());
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        responseHeaders.Add("realTimeInfo.dlna.org", "DLNA.ORG_TLAG=*");
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        if (state.RunTimeTicks.HasValue)
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        {
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            if (string.Equals(request.Headers["getMediaInfo.sec"], "1", StringComparison.OrdinalIgnoreCase))
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            {
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                var ms = TimeSpan.FromTicks(state.RunTimeTicks.Value).TotalMilliseconds;
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                responseHeaders.Add("MediaInfo.sec", string.Format(
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                    CultureInfo.InvariantCulture,
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                    "SEC_Duration={0};",
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                    Convert.ToInt32(ms)));
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            }
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            if (!isStaticallyStreamed && profile is not null)
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            {
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                AddTimeSeekResponseHeaders(state, responseHeaders, startTimeTicks);
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            }
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        }
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        profile ??= dlnaManager.GetDefaultProfile();
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        var audioCodec = state.ActualOutputAudioCodec;
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        if (!state.IsVideoRequest)
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        {
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            responseHeaders.Add("contentFeatures.dlna.org", ContentFeatureBuilder.BuildAudioHeader(
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                profile,
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                state.OutputContainer,
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                audioCodec,
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                state.OutputAudioBitrate,
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                state.OutputAudioSampleRate,
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                state.OutputAudioChannels,
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                state.OutputAudioBitDepth,
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                isStaticallyStreamed,
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                state.RunTimeTicks,
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                state.TranscodeSeekInfo));
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        }
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        else
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        {
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            var videoCodec = state.ActualOutputVideoCodec;
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            responseHeaders.Add(
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                "contentFeatures.dlna.org",
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                ContentFeatureBuilder.BuildVideoHeader(profile, state.OutputContainer, videoCodec, audioCodec, state.OutputWidth, state.OutputHeight, state.TargetVideoBitDepth, state.OutputVideoBitrate, state.TargetTimestamp, isStaticallyStreamed, state.RunTimeTicks, state.TargetVideoProfile, state.TargetVideoRangeType, state.TargetVideoLevel, state.TargetFramerate, state.TargetPacketLength, state.TranscodeSeekInfo, state.IsTargetAnamorphic, state.IsTargetInterlaced, state.TargetRefFrames, state.TargetVideoStreamCount, state.TargetAudioStreamCount, state.TargetVideoCodecTag, state.IsTargetAVC).FirstOrDefault() ?? string.Empty);
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        }
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    }
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    /// <summary>
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    /// Parses the time seek header.
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    /// </summary>
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    /// <param name="value">The time seek header string.</param>
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    /// <returns>A nullable <see cref="long"/> representing the seek time in ticks.</returns>
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    private static long? ParseTimeSeekHeader(ReadOnlySpan<char> value)
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    {
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        if (value.IsEmpty)
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        {
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            return null;
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        }
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        const string npt = "npt=";
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        if (!value.StartsWith(npt, StringComparison.OrdinalIgnoreCase))
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        {
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            throw new ArgumentException("Invalid timeseek header");
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        }
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        var index = value.IndexOf('-');
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        value = index == -1
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            ? value.Slice(npt.Length)
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            : value.Slice(npt.Length, index - npt.Length);
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        if (!value.Contains(':'))
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        {
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            // Parses npt times in the format of '417.33'
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            if (double.TryParse(value, CultureInfo.InvariantCulture, out var seconds))
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            {
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                return TimeSpan.FromSeconds(seconds).Ticks;
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            }
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            throw new ArgumentException("Invalid timeseek header");
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        }
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        try
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        {
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            // Parses npt times in the format of '10:19:25.7'
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            return TimeSpan.Parse(value, CultureInfo.InvariantCulture).Ticks;
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        }
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        catch
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        {
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            throw new ArgumentException("Invalid timeseek header");
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        }
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    }
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    /// <summary>
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    /// Parses query parameters as StreamOptions.
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    /// </summary>
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    /// <param name="queryString">The query string.</param>
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    /// <returns>A <see cref="Dictionary{String,String}"/> containing the stream options.</returns>
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    private static Dictionary<string, string?> ParseStreamOptions(IQueryCollection queryString)
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    {
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        Dictionary<string, string?> streamOptions = new Dictionary<string, string?>();
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        foreach (var param in queryString)
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        {
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            if (char.IsLower(param.Key[0]))
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            {
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                // This was probably not parsed initially and should be a StreamOptions
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                // or the generated URL should correctly serialize it
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                // TODO: This should be incorporated either in the lower framework for parsing requests
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                streamOptions[param.Key] = param.Value;
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            }
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        }
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        return streamOptions;
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    }
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    /// <summary>
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    /// Adds the dlna time seek headers to the response.
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    /// </summary>
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    /// <param name="state">The current <see cref="StreamState"/>.</param>
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    /// <param name="responseHeaders">The <see cref="IHeaderDictionary"/> of the response.</param>
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    /// <param name="startTimeTicks">The start time in ticks.</param>
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    private static void AddTimeSeekResponseHeaders(StreamState state, IHeaderDictionary responseHeaders, long? startTimeTicks)
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    {
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        var runtimeSeconds = TimeSpan.FromTicks(state.RunTimeTicks!.Value).TotalSeconds.ToString(CultureInfo.InvariantCulture);
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        var startSeconds = TimeSpan.FromTicks(startTimeTicks ?? 0).TotalSeconds.ToString(CultureInfo.InvariantCulture);
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        responseHeaders.Add("TimeSeekRange.dlna.org", string.Format(
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            CultureInfo.InvariantCulture,
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            "npt={0}-{1}/{1}",
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            startSeconds,
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            runtimeSeconds));
 | 
						|
        responseHeaders.Add("X-AvailableSeekRange", string.Format(
 | 
						|
            CultureInfo.InvariantCulture,
 | 
						|
            "1 npt={0}-{1}",
 | 
						|
            startSeconds,
 | 
						|
            runtimeSeconds));
 | 
						|
    }
 | 
						|
 | 
						|
    /// <summary>
 | 
						|
    /// Gets the output file extension.
 | 
						|
    /// </summary>
 | 
						|
    /// <param name="state">The state.</param>
 | 
						|
    /// <param name="mediaSource">The mediaSource.</param>
 | 
						|
    /// <returns>System.String.</returns>
 | 
						|
    private static string? GetOutputFileExtension(StreamState state, MediaSourceInfo? mediaSource)
 | 
						|
    {
 | 
						|
        var ext = Path.GetExtension(state.RequestedUrl);
 | 
						|
 | 
						|
        if (!string.IsNullOrEmpty(ext))
 | 
						|
        {
 | 
						|
            return ext;
 | 
						|
        }
 | 
						|
 | 
						|
        // Try to infer based on the desired video codec
 | 
						|
        if (state.IsVideoRequest)
 | 
						|
        {
 | 
						|
            var videoCodec = state.Request.VideoCodec;
 | 
						|
 | 
						|
            if (string.Equals(videoCodec, "h264", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return ".ts";
 | 
						|
            }
 | 
						|
 | 
						|
            if (string.Equals(videoCodec, "hevc", StringComparison.OrdinalIgnoreCase)
 | 
						|
                || string.Equals(videoCodec, "av1", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return ".mp4";
 | 
						|
            }
 | 
						|
 | 
						|
            if (string.Equals(videoCodec, "theora", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return ".ogv";
 | 
						|
            }
 | 
						|
 | 
						|
            if (string.Equals(videoCodec, "vp8", StringComparison.OrdinalIgnoreCase)
 | 
						|
                || string.Equals(videoCodec, "vp9", StringComparison.OrdinalIgnoreCase)
 | 
						|
                || string.Equals(videoCodec, "vpx", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return ".webm";
 | 
						|
            }
 | 
						|
 | 
						|
            if (string.Equals(videoCodec, "wmv", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return ".asf";
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Try to infer based on the desired audio codec
 | 
						|
        if (!state.IsVideoRequest)
 | 
						|
        {
 | 
						|
            var audioCodec = state.Request.AudioCodec;
 | 
						|
 | 
						|
            if (string.Equals("aac", audioCodec, StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return ".aac";
 | 
						|
            }
 | 
						|
 | 
						|
            if (string.Equals("mp3", audioCodec, StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return ".mp3";
 | 
						|
            }
 | 
						|
 | 
						|
            if (string.Equals("vorbis", audioCodec, StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return ".ogg";
 | 
						|
            }
 | 
						|
 | 
						|
            if (string.Equals("wma", audioCodec, StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return ".wma";
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Fallback to the container of mediaSource
 | 
						|
        if (!string.IsNullOrEmpty(mediaSource?.Container))
 | 
						|
        {
 | 
						|
            var idx = mediaSource.Container.IndexOf(',', StringComparison.OrdinalIgnoreCase);
 | 
						|
            return '.' + (idx == -1 ? mediaSource.Container : mediaSource.Container[..idx]).Trim();
 | 
						|
        }
 | 
						|
 | 
						|
        return null;
 | 
						|
    }
 | 
						|
 | 
						|
    /// <summary>
 | 
						|
    /// Gets the output file path for transcoding.
 | 
						|
    /// </summary>
 | 
						|
    /// <param name="state">The current <see cref="StreamState"/>.</param>
 | 
						|
    /// <param name="outputFileExtension">The file extension of the output file.</param>
 | 
						|
    /// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
 | 
						|
    /// <param name="deviceId">The device id.</param>
 | 
						|
    /// <param name="playSessionId">The play session id.</param>
 | 
						|
    /// <returns>The complete file path, including the folder, for the transcoding file.</returns>
 | 
						|
    private static string GetOutputFilePath(StreamState state, string outputFileExtension, IServerConfigurationManager serverConfigurationManager, string? deviceId, string? playSessionId)
 | 
						|
    {
 | 
						|
        var data = $"{state.MediaPath}-{state.UserAgent}-{deviceId!}-{playSessionId!}";
 | 
						|
 | 
						|
        var filename = data.GetMD5().ToString("N", CultureInfo.InvariantCulture);
 | 
						|
        var ext = outputFileExtension?.ToLowerInvariant();
 | 
						|
        var folder = serverConfigurationManager.GetTranscodePath();
 | 
						|
 | 
						|
        return Path.Combine(folder, filename + ext);
 | 
						|
    }
 | 
						|
 | 
						|
    private static void ApplyDeviceProfileSettings(StreamState state, IDlnaManager dlnaManager, IDeviceManager deviceManager, HttpRequest request, string? deviceProfileId, bool? @static)
 | 
						|
    {
 | 
						|
        if (!string.IsNullOrWhiteSpace(deviceProfileId))
 | 
						|
        {
 | 
						|
            state.DeviceProfile = dlnaManager.GetProfile(deviceProfileId);
 | 
						|
 | 
						|
            if (state.DeviceProfile is null)
 | 
						|
            {
 | 
						|
                var caps = deviceManager.GetCapabilities(deviceProfileId);
 | 
						|
                state.DeviceProfile = caps is null ? dlnaManager.GetProfile(request.Headers) : caps.DeviceProfile;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        var profile = state.DeviceProfile;
 | 
						|
 | 
						|
        if (profile is null)
 | 
						|
        {
 | 
						|
            // Don't use settings from the default profile.
 | 
						|
            // Only use a specific profile if it was requested.
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        var audioCodec = state.ActualOutputAudioCodec;
 | 
						|
        var videoCodec = state.ActualOutputVideoCodec;
 | 
						|
 | 
						|
        var mediaProfile = !state.IsVideoRequest
 | 
						|
            ? profile.GetAudioMediaProfile(state.OutputContainer, audioCodec, state.OutputAudioChannels, state.OutputAudioBitrate, state.OutputAudioSampleRate, state.OutputAudioBitDepth)
 | 
						|
            : profile.GetVideoMediaProfile(
 | 
						|
                state.OutputContainer,
 | 
						|
                audioCodec,
 | 
						|
                videoCodec,
 | 
						|
                state.OutputWidth,
 | 
						|
                state.OutputHeight,
 | 
						|
                state.TargetVideoBitDepth,
 | 
						|
                state.OutputVideoBitrate,
 | 
						|
                state.TargetVideoProfile,
 | 
						|
                state.TargetVideoRangeType,
 | 
						|
                state.TargetVideoLevel,
 | 
						|
                state.TargetFramerate,
 | 
						|
                state.TargetPacketLength,
 | 
						|
                state.TargetTimestamp,
 | 
						|
                state.IsTargetAnamorphic,
 | 
						|
                state.IsTargetInterlaced,
 | 
						|
                state.TargetRefFrames,
 | 
						|
                state.TargetVideoStreamCount,
 | 
						|
                state.TargetAudioStreamCount,
 | 
						|
                state.TargetVideoCodecTag,
 | 
						|
                state.IsTargetAVC);
 | 
						|
 | 
						|
        if (mediaProfile is not null)
 | 
						|
        {
 | 
						|
            state.MimeType = mediaProfile.MimeType;
 | 
						|
        }
 | 
						|
 | 
						|
        if (!(@static.HasValue && @static.Value))
 | 
						|
        {
 | 
						|
            var transcodingProfile = !state.IsVideoRequest ? profile.GetAudioTranscodingProfile(state.OutputContainer, audioCodec) : profile.GetVideoTranscodingProfile(state.OutputContainer, audioCodec, videoCodec);
 | 
						|
 | 
						|
            if (transcodingProfile is not null)
 | 
						|
            {
 | 
						|
                state.EstimateContentLength = transcodingProfile.EstimateContentLength;
 | 
						|
                // state.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;
 | 
						|
                state.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
 | 
						|
 | 
						|
                if (state.VideoRequest is not null)
 | 
						|
                {
 | 
						|
                    state.VideoRequest.CopyTimestamps = transcodingProfile.CopyTimestamps;
 | 
						|
                    state.VideoRequest.EnableSubtitlesInManifest = transcodingProfile.EnableSubtitlesInManifest;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /// <summary>
 | 
						|
    /// Parses the parameters.
 | 
						|
    /// </summary>
 | 
						|
    /// <param name="request">The request.</param>
 | 
						|
    private static void ParseParams(StreamingRequestDto request)
 | 
						|
    {
 | 
						|
        if (string.IsNullOrEmpty(request.Params))
 | 
						|
        {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        var vals = request.Params.Split(';');
 | 
						|
 | 
						|
        var videoRequest = request as VideoRequestDto;
 | 
						|
 | 
						|
        for (var i = 0; i < vals.Length; i++)
 | 
						|
        {
 | 
						|
            var val = vals[i];
 | 
						|
 | 
						|
            if (string.IsNullOrWhiteSpace(val))
 | 
						|
            {
 | 
						|
                continue;
 | 
						|
            }
 | 
						|
 | 
						|
            switch (i)
 | 
						|
            {
 | 
						|
                case 0:
 | 
						|
                    request.DeviceProfileId = val;
 | 
						|
                    break;
 | 
						|
                case 1:
 | 
						|
                    request.DeviceId = val;
 | 
						|
                    break;
 | 
						|
                case 2:
 | 
						|
                    request.MediaSourceId = val;
 | 
						|
                    break;
 | 
						|
                case 3:
 | 
						|
                    request.Static = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
 | 
						|
                    break;
 | 
						|
                case 4:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.VideoCodec = val;
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 5:
 | 
						|
                    request.AudioCodec = val;
 | 
						|
                    break;
 | 
						|
                case 6:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.AudioStreamIndex = int.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 7:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.SubtitleStreamIndex = int.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 8:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.VideoBitRate = int.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 9:
 | 
						|
                    request.AudioBitRate = int.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    break;
 | 
						|
                case 10:
 | 
						|
                    request.MaxAudioChannels = int.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    break;
 | 
						|
                case 11:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.MaxFramerate = float.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 12:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.MaxWidth = int.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 13:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.MaxHeight = int.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 14:
 | 
						|
                    request.StartTimeTicks = long.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    break;
 | 
						|
                case 15:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.Level = val;
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 16:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.MaxRefFrames = int.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 17:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.MaxVideoBitDepth = int.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 18:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.Profile = val;
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 19:
 | 
						|
                    // cabac no longer used
 | 
						|
                    break;
 | 
						|
                case 20:
 | 
						|
                    request.PlaySessionId = val;
 | 
						|
                    break;
 | 
						|
                case 21:
 | 
						|
                    // api_key
 | 
						|
                    break;
 | 
						|
                case 22:
 | 
						|
                    request.LiveStreamId = val;
 | 
						|
                    break;
 | 
						|
                case 23:
 | 
						|
                    // Duplicating ItemId because of MediaMonkey
 | 
						|
                    break;
 | 
						|
                case 24:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.CopyTimestamps = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 25:
 | 
						|
                    if (!string.IsNullOrWhiteSpace(val) && videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        if (Enum.TryParse(val, out SubtitleDeliveryMethod method))
 | 
						|
                        {
 | 
						|
                            videoRequest.SubtitleMethod = method;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 26:
 | 
						|
                    request.TranscodingMaxAudioChannels = int.Parse(val, CultureInfo.InvariantCulture);
 | 
						|
                    break;
 | 
						|
                case 27:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.EnableSubtitlesInManifest = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 28:
 | 
						|
                    request.Tag = val;
 | 
						|
                    break;
 | 
						|
                case 29:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.RequireAvc = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 30:
 | 
						|
                    request.SubtitleCodec = val;
 | 
						|
                    break;
 | 
						|
                case 31:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.RequireNonAnamorphic = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 32:
 | 
						|
                    if (videoRequest is not null)
 | 
						|
                    {
 | 
						|
                        videoRequest.DeInterlace = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
 | 
						|
                    }
 | 
						|
 | 
						|
                    break;
 | 
						|
                case 33:
 | 
						|
                    request.TranscodeReasons = val;
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 |