mirror of
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777 lines
29 KiB
C#
777 lines
29 KiB
C#
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Model.Configuration;
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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 MediaBrowser.Model.Logging;
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using MediaBrowser.Model.MediaInfo;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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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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namespace MediaBrowser.MediaEncoding.Encoder
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{
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public class EncodingJobFactory
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{
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private readonly ILogger _logger;
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private readonly ILibraryManager _libraryManager;
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private readonly IMediaSourceManager _mediaSourceManager;
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private readonly IConfigurationManager _config;
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protected static readonly CultureInfo UsCulture = new CultureInfo("en-US");
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public EncodingJobFactory(ILogger logger, ILibraryManager libraryManager, IMediaSourceManager mediaSourceManager, IConfigurationManager config)
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{
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_logger = logger;
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_libraryManager = libraryManager;
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_mediaSourceManager = mediaSourceManager;
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_config = config;
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}
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public async Task<EncodingJob> CreateJob(EncodingJobOptions options, bool isVideoRequest, IProgress<double> progress, CancellationToken cancellationToken)
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{
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var request = options;
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if (string.IsNullOrEmpty(request.AudioCodec))
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{
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request.AudioCodec = InferAudioCodec(request.OutputContainer);
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}
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var state = new EncodingJob(_logger, _mediaSourceManager)
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{
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Options = options,
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IsVideoRequest = isVideoRequest,
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Progress = progress
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};
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if (!string.IsNullOrWhiteSpace(request.AudioCodec))
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{
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state.SupportedAudioCodecs = request.AudioCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToList();
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request.AudioCodec = state.SupportedAudioCodecs.FirstOrDefault();
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}
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var item = _libraryManager.GetItemById(request.ItemId);
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state.ItemType = item.GetType().Name;
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state.IsInputVideo = string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase);
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var mediaSources = await _mediaSourceManager.GetPlayackMediaSources(request.ItemId, null, false, new[] { MediaType.Audio, MediaType.Video }, cancellationToken).ConfigureAwait(false);
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var mediaSource = string.IsNullOrEmpty(request.MediaSourceId)
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? mediaSources.First()
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: mediaSources.First(i => string.Equals(i.Id, request.MediaSourceId));
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AttachMediaStreamInfo(state, mediaSource, options);
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state.OutputAudioBitrate = GetAudioBitrateParam(request, state.AudioStream);
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state.OutputAudioSampleRate = request.AudioSampleRate;
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state.OutputAudioCodec = GetAudioCodec(request);
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state.OutputAudioChannels = GetNumAudioChannelsParam(request, state.AudioStream, state.OutputAudioCodec);
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if (isVideoRequest)
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{
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state.OutputVideoCodec = GetVideoCodec(request);
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state.OutputVideoBitrate = GetVideoBitrateParamValue(request, state.VideoStream);
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if (state.OutputVideoBitrate.HasValue)
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{
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var resolution = ResolutionNormalizer.Normalize(
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state.VideoStream == null ? (int?)null : state.VideoStream.BitRate,
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state.OutputVideoBitrate.Value,
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state.VideoStream == null ? null : state.VideoStream.Codec,
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state.OutputVideoCodec,
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request.MaxWidth,
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request.MaxHeight);
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request.MaxWidth = resolution.MaxWidth;
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request.MaxHeight = resolution.MaxHeight;
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}
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}
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ApplyDeviceProfileSettings(state);
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TryStreamCopy(state, request);
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return state;
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}
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internal static void TryStreamCopy(EncodingJob state,
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EncodingJobOptions videoRequest)
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{
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if (state.IsVideoRequest)
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{
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if (state.VideoStream != null && CanStreamCopyVideo(videoRequest, state.VideoStream))
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{
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state.OutputVideoCodec = "copy";
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}
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if (state.AudioStream != null && CanStreamCopyAudio(videoRequest, state.AudioStream, state.SupportedAudioCodecs))
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{
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state.OutputAudioCodec = "copy";
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}
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}
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}
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internal static void AttachMediaStreamInfo(EncodingJob state,
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MediaSourceInfo mediaSource,
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EncodingJobOptions videoRequest)
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{
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state.MediaPath = mediaSource.Path;
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state.InputProtocol = mediaSource.Protocol;
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state.InputContainer = mediaSource.Container;
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state.InputFileSize = mediaSource.Size;
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state.InputBitrate = mediaSource.Bitrate;
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state.RunTimeTicks = mediaSource.RunTimeTicks;
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state.RemoteHttpHeaders = mediaSource.RequiredHttpHeaders;
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if (mediaSource.ReadAtNativeFramerate)
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{
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state.ReadInputAtNativeFramerate = true;
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}
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if (mediaSource.VideoType.HasValue)
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{
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state.VideoType = mediaSource.VideoType.Value;
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}
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state.IsoType = mediaSource.IsoType;
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state.PlayableStreamFileNames = mediaSource.PlayableStreamFileNames.ToList();
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if (mediaSource.Timestamp.HasValue)
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{
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state.InputTimestamp = mediaSource.Timestamp.Value;
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}
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state.InputProtocol = mediaSource.Protocol;
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state.MediaPath = mediaSource.Path;
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state.RunTimeTicks = mediaSource.RunTimeTicks;
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state.RemoteHttpHeaders = mediaSource.RequiredHttpHeaders;
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state.InputBitrate = mediaSource.Bitrate;
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state.InputFileSize = mediaSource.Size;
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if (state.ReadInputAtNativeFramerate ||
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mediaSource.Protocol == MediaProtocol.File && string.Equals(mediaSource.Container, "wtv", StringComparison.OrdinalIgnoreCase))
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{
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state.OutputAudioSync = "1000";
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state.InputVideoSync = "-1";
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state.InputAudioSync = "1";
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}
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var mediaStreams = mediaSource.MediaStreams;
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if (videoRequest != null)
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{
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if (string.IsNullOrEmpty(videoRequest.VideoCodec))
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{
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videoRequest.VideoCodec = InferVideoCodec(videoRequest.OutputContainer);
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}
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state.VideoStream = GetMediaStream(mediaStreams, videoRequest.VideoStreamIndex, MediaStreamType.Video);
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state.SubtitleStream = GetMediaStream(mediaStreams, videoRequest.SubtitleStreamIndex, MediaStreamType.Subtitle, false);
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state.AudioStream = GetMediaStream(mediaStreams, videoRequest.AudioStreamIndex, MediaStreamType.Audio);
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if (state.SubtitleStream != null && !state.SubtitleStream.IsExternal)
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{
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state.InternalSubtitleStreamOffset = mediaStreams.Where(i => i.Type == MediaStreamType.Subtitle && !i.IsExternal).ToList().IndexOf(state.SubtitleStream);
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}
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if (state.VideoStream != null && state.VideoStream.IsInterlaced)
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{
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state.DeInterlace = true;
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}
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EnforceResolutionLimit(state, videoRequest);
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}
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else
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{
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state.AudioStream = GetMediaStream(mediaStreams, null, MediaStreamType.Audio, true);
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}
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state.MediaSource = mediaSource;
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}
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protected EncodingOptions GetEncodingOptions()
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{
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return _config.GetConfiguration<EncodingOptions>("encoding");
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}
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/// <summary>
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/// Infers the video codec.
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/// </summary>
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/// <param name="container">The container.</param>
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/// <returns>System.Nullable{VideoCodecs}.</returns>
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private static string InferVideoCodec(string container)
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{
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if (string.Equals(container, "asf", StringComparison.OrdinalIgnoreCase))
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{
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return "wmv";
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}
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if (string.Equals(container, "webm", StringComparison.OrdinalIgnoreCase))
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{
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return "vpx";
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}
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if (string.Equals(container, "ogg", StringComparison.OrdinalIgnoreCase) || string.Equals(container, "ogv", StringComparison.OrdinalIgnoreCase))
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{
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return "theora";
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}
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if (string.Equals(container, "m3u8", StringComparison.OrdinalIgnoreCase) || string.Equals(container, "ts", StringComparison.OrdinalIgnoreCase))
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{
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return "h264";
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}
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return "copy";
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}
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private string InferAudioCodec(string container)
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{
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if (string.Equals(container, "mp3", StringComparison.OrdinalIgnoreCase))
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{
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return "mp3";
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}
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if (string.Equals(container, "aac", StringComparison.OrdinalIgnoreCase))
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{
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return "aac";
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}
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if (string.Equals(container, "wma", StringComparison.OrdinalIgnoreCase))
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{
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return "wma";
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}
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if (string.Equals(container, "ogg", StringComparison.OrdinalIgnoreCase))
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{
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return "vorbis";
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}
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if (string.Equals(container, "oga", StringComparison.OrdinalIgnoreCase))
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{
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return "vorbis";
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}
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if (string.Equals(container, "ogv", StringComparison.OrdinalIgnoreCase))
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{
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return "vorbis";
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}
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if (string.Equals(container, "webm", StringComparison.OrdinalIgnoreCase))
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{
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return "vorbis";
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}
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if (string.Equals(container, "webma", StringComparison.OrdinalIgnoreCase))
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{
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return "vorbis";
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}
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return "copy";
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}
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/// <summary>
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/// Determines which stream will be used for playback
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/// </summary>
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/// <param name="allStream">All stream.</param>
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/// <param name="desiredIndex">Index of the desired.</param>
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/// <param name="type">The type.</param>
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/// <param name="returnFirstIfNoIndex">if set to <c>true</c> [return first if no index].</param>
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/// <returns>MediaStream.</returns>
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private static MediaStream GetMediaStream(IEnumerable<MediaStream> allStream, int? desiredIndex, MediaStreamType type, bool returnFirstIfNoIndex = true)
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{
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var streams = allStream.Where(s => s.Type == type).OrderBy(i => i.Index).ToList();
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if (desiredIndex.HasValue)
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{
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var stream = streams.FirstOrDefault(s => s.Index == desiredIndex.Value);
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if (stream != null)
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{
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return stream;
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}
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}
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if (type == MediaStreamType.Video)
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{
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streams = streams.Where(i => !string.Equals(i.Codec, "mjpeg", StringComparison.OrdinalIgnoreCase)).ToList();
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}
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if (returnFirstIfNoIndex && type == MediaStreamType.Audio)
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{
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return streams.FirstOrDefault(i => i.Channels.HasValue && i.Channels.Value > 0) ??
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streams.FirstOrDefault();
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}
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// Just return the first one
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return returnFirstIfNoIndex ? streams.FirstOrDefault() : null;
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}
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/// <summary>
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/// Enforces the resolution limit.
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/// </summary>
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/// <param name="state">The state.</param>
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/// <param name="videoRequest">The video request.</param>
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private static void EnforceResolutionLimit(EncodingJob state, EncodingJobOptions videoRequest)
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{
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// Switch the incoming params to be ceilings rather than fixed values
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videoRequest.MaxWidth = videoRequest.MaxWidth ?? videoRequest.Width;
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videoRequest.MaxHeight = videoRequest.MaxHeight ?? videoRequest.Height;
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videoRequest.Width = null;
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videoRequest.Height = null;
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}
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/// <summary>
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/// Gets the number of audio channels to specify on the command line
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/// </summary>
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/// <param name="request">The request.</param>
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/// <param name="audioStream">The audio stream.</param>
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/// <param name="outputAudioCodec">The output audio codec.</param>
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/// <returns>System.Nullable{System.Int32}.</returns>
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private int? GetNumAudioChannelsParam(EncodingJobOptions request, MediaStream audioStream, string outputAudioCodec)
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{
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var inputChannels = audioStream == null
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? null
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: audioStream.Channels;
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if (inputChannels <= 0)
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{
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inputChannels = null;
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}
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var codec = outputAudioCodec ?? string.Empty;
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if (codec.IndexOf("wma", StringComparison.OrdinalIgnoreCase) != -1)
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{
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// wmav2 currently only supports two channel output
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return Math.Min(2, inputChannels ?? 2);
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}
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if (request.MaxAudioChannels.HasValue)
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{
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if (inputChannels.HasValue)
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{
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return Math.Min(request.MaxAudioChannels.Value, inputChannels.Value);
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}
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var channelLimit = codec.IndexOf("mp3", StringComparison.OrdinalIgnoreCase) != -1
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? 2
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: 6;
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// If we don't have any media info then limit it to 5 to prevent encoding errors due to asking for too many channels
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return Math.Min(request.MaxAudioChannels.Value, channelLimit);
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}
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return request.AudioChannels;
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}
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private int? GetVideoBitrateParamValue(EncodingJobOptions request, MediaStream videoStream)
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{
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var bitrate = request.VideoBitRate;
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if (videoStream != null)
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{
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var isUpscaling = request.Height.HasValue && videoStream.Height.HasValue &&
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request.Height.Value > videoStream.Height.Value;
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if (request.Width.HasValue && videoStream.Width.HasValue &&
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request.Width.Value > videoStream.Width.Value)
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{
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isUpscaling = true;
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}
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// Don't allow bitrate increases unless upscaling
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if (!isUpscaling)
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{
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if (bitrate.HasValue && videoStream.BitRate.HasValue)
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{
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bitrate = Math.Min(bitrate.Value, videoStream.BitRate.Value);
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}
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}
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}
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return bitrate;
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}
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protected string GetVideoBitrateParam(EncodingJob state, string videoCodec, bool isHls)
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{
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var bitrate = state.OutputVideoBitrate;
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if (bitrate.HasValue)
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{
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var hasFixedResolution = state.Options.HasFixedResolution;
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if (string.Equals(videoCodec, "libvpx", StringComparison.OrdinalIgnoreCase))
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{
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if (hasFixedResolution)
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{
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return string.Format(" -minrate:v ({0}*.90) -maxrate:v ({0}*1.10) -bufsize:v {0} -b:v {0}", bitrate.Value.ToString(UsCulture));
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}
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// With vpx when crf is used, b:v becomes a max rate
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// https://trac.ffmpeg.org/wiki/vpxEncodingGuide. But higher bitrate source files -b:v causes judder so limite the bitrate but dont allow it to "saturate" the bitrate. So dont contrain it down just up.
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return string.Format(" -maxrate:v {0} -bufsize:v ({0}*2) -b:v {0}", bitrate.Value.ToString(UsCulture));
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}
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if (string.Equals(videoCodec, "msmpeg4", StringComparison.OrdinalIgnoreCase))
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{
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return string.Format(" -b:v {0}", bitrate.Value.ToString(UsCulture));
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}
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// H264
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if (hasFixedResolution)
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{
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if (isHls)
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{
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return string.Format(" -b:v {0} -maxrate ({0}*.80) -bufsize {0}", bitrate.Value.ToString(UsCulture));
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}
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return string.Format(" -b:v {0}", bitrate.Value.ToString(UsCulture));
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}
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return string.Format(" -maxrate {0} -bufsize {1}",
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bitrate.Value.ToString(UsCulture),
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(bitrate.Value * 2).ToString(UsCulture));
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}
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return string.Empty;
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}
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private int? GetAudioBitrateParam(EncodingJobOptions request, MediaStream audioStream)
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{
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if (request.AudioBitRate.HasValue)
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{
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// Make sure we don't request a bitrate higher than the source
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var currentBitrate = audioStream == null ? request.AudioBitRate.Value : audioStream.BitRate ?? request.AudioBitRate.Value;
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return request.AudioBitRate.Value;
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//return Math.Min(currentBitrate, request.AudioBitRate.Value);
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}
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return null;
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}
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/// <summary>
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/// Determines whether the specified stream is H264.
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/// </summary>
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/// <param name="stream">The stream.</param>
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/// <returns><c>true</c> if the specified stream is H264; otherwise, <c>false</c>.</returns>
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protected bool IsH264(MediaStream stream)
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{
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var codec = stream.Codec ?? string.Empty;
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return codec.IndexOf("264", StringComparison.OrdinalIgnoreCase) != -1 ||
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codec.IndexOf("avc", StringComparison.OrdinalIgnoreCase) != -1;
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}
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/// <summary>
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/// Gets the name of the output audio codec
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.String.</returns>
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private string GetAudioCodec(EncodingJobOptions request)
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{
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var codec = request.AudioCodec;
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if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase))
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{
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return "aac -strict experimental";
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}
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if (string.Equals(codec, "mp3", StringComparison.OrdinalIgnoreCase))
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{
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return "libmp3lame";
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}
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if (string.Equals(codec, "vorbis", StringComparison.OrdinalIgnoreCase))
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{
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return "libvorbis";
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}
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if (string.Equals(codec, "wma", StringComparison.OrdinalIgnoreCase))
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{
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return "wmav2";
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}
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return (codec ?? string.Empty).ToLower();
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}
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/// <summary>
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/// Gets the name of the output video codec
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.String.</returns>
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private string GetVideoCodec(EncodingJobOptions request)
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{
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var codec = request.VideoCodec;
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if (string.Equals(codec, "h264", StringComparison.OrdinalIgnoreCase))
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{
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return "libx264";
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}
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if (string.Equals(codec, "h265", StringComparison.OrdinalIgnoreCase) || string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase))
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{
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return "libx265";
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}
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if (string.Equals(codec, "vpx", StringComparison.OrdinalIgnoreCase))
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{
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return "libvpx";
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}
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if (string.Equals(codec, "wmv", StringComparison.OrdinalIgnoreCase))
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{
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return "wmv2";
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}
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if (string.Equals(codec, "theora", StringComparison.OrdinalIgnoreCase))
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{
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return "libtheora";
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}
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return (codec ?? string.Empty).ToLower();
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}
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|
|
|
internal static bool CanStreamCopyVideo(EncodingJobOptions request, MediaStream videoStream)
|
|
{
|
|
if (videoStream.IsInterlaced)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (videoStream.IsAnamorphic ?? false)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Can't stream copy if we're burning in subtitles
|
|
if (request.SubtitleStreamIndex.HasValue)
|
|
{
|
|
if (request.SubtitleMethod == SubtitleDeliveryMethod.Encode)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Source and target codecs must match
|
|
if (!string.Equals(request.VideoCodec, videoStream.Codec, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// If client is requesting a specific video profile, it must match the source
|
|
if (!string.IsNullOrEmpty(request.Profile))
|
|
{
|
|
if (string.IsNullOrEmpty(videoStream.Profile))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!string.Equals(request.Profile, videoStream.Profile, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
var currentScore = GetVideoProfileScore(videoStream.Profile);
|
|
var requestedScore = GetVideoProfileScore(request.Profile);
|
|
|
|
if (currentScore == -1 || currentScore > requestedScore)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Video width must fall within requested value
|
|
if (request.MaxWidth.HasValue)
|
|
{
|
|
if (!videoStream.Width.HasValue || videoStream.Width.Value > request.MaxWidth.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Video height must fall within requested value
|
|
if (request.MaxHeight.HasValue)
|
|
{
|
|
if (!videoStream.Height.HasValue || videoStream.Height.Value > request.MaxHeight.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Video framerate must fall within requested value
|
|
var requestedFramerate = request.MaxFramerate ?? request.Framerate;
|
|
if (requestedFramerate.HasValue)
|
|
{
|
|
var videoFrameRate = videoStream.AverageFrameRate ?? videoStream.RealFrameRate;
|
|
|
|
if (!videoFrameRate.HasValue || videoFrameRate.Value > requestedFramerate.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Video bitrate must fall within requested value
|
|
if (request.VideoBitRate.HasValue)
|
|
{
|
|
if (!videoStream.BitRate.HasValue || videoStream.BitRate.Value > request.VideoBitRate.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (request.MaxVideoBitDepth.HasValue)
|
|
{
|
|
if (videoStream.BitDepth.HasValue && videoStream.BitDepth.Value > request.MaxVideoBitDepth.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (request.MaxRefFrames.HasValue)
|
|
{
|
|
if (videoStream.RefFrames.HasValue && videoStream.RefFrames.Value > request.MaxRefFrames.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// If a specific level was requested, the source must match or be less than
|
|
if (request.Level.HasValue)
|
|
{
|
|
if (!videoStream.Level.HasValue)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (videoStream.Level.Value > request.Level.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (request.Cabac.HasValue && request.Cabac.Value)
|
|
{
|
|
if (videoStream.IsCabac.HasValue && !videoStream.IsCabac.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return request.EnableAutoStreamCopy;
|
|
}
|
|
|
|
private static int GetVideoProfileScore(string profile)
|
|
{
|
|
var list = new List<string>
|
|
{
|
|
"Constrained Baseline",
|
|
"Baseline",
|
|
"Extended",
|
|
"Main",
|
|
"High",
|
|
"Progressive High",
|
|
"Constrained High"
|
|
};
|
|
|
|
return Array.FindIndex(list.ToArray(), t => string.Equals(t, profile, StringComparison.OrdinalIgnoreCase));
|
|
}
|
|
|
|
internal static bool CanStreamCopyAudio(EncodingJobOptions request, MediaStream audioStream, List<string> supportedAudioCodecs)
|
|
{
|
|
// Source and target codecs must match
|
|
if (string.IsNullOrEmpty(audioStream.Codec) || !supportedAudioCodecs.Contains(audioStream.Codec, StringComparer.OrdinalIgnoreCase))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Video bitrate must fall within requested value
|
|
if (request.AudioBitRate.HasValue)
|
|
{
|
|
if (!audioStream.BitRate.HasValue || audioStream.BitRate.Value <= 0)
|
|
{
|
|
return false;
|
|
}
|
|
if (audioStream.BitRate.Value > request.AudioBitRate.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Channels must fall within requested value
|
|
var channels = request.AudioChannels ?? request.MaxAudioChannels;
|
|
if (channels.HasValue)
|
|
{
|
|
if (!audioStream.Channels.HasValue || audioStream.Channels.Value <= 0)
|
|
{
|
|
return false;
|
|
}
|
|
if (audioStream.Channels.Value > channels.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Sample rate must fall within requested value
|
|
if (request.AudioSampleRate.HasValue)
|
|
{
|
|
if (!audioStream.SampleRate.HasValue || audioStream.SampleRate.Value <= 0)
|
|
{
|
|
return false;
|
|
}
|
|
if (audioStream.SampleRate.Value > request.AudioSampleRate.Value)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return request.EnableAutoStreamCopy;
|
|
}
|
|
|
|
private void ApplyDeviceProfileSettings(EncodingJob state)
|
|
{
|
|
var profile = state.Options.DeviceProfile;
|
|
|
|
if (profile == 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 outputContainer = state.Options.OutputContainer;
|
|
|
|
var mediaProfile = state.IsVideoRequest ?
|
|
profile.GetAudioMediaProfile(outputContainer, audioCodec, state.OutputAudioChannels, state.OutputAudioBitrate) :
|
|
profile.GetVideoMediaProfile(outputContainer,
|
|
audioCodec,
|
|
videoCodec,
|
|
state.OutputWidth,
|
|
state.OutputHeight,
|
|
state.TargetVideoBitDepth,
|
|
state.OutputVideoBitrate,
|
|
state.TargetVideoProfile,
|
|
state.TargetVideoLevel,
|
|
state.TargetFramerate,
|
|
state.TargetPacketLength,
|
|
state.TargetTimestamp,
|
|
state.IsTargetAnamorphic,
|
|
state.IsTargetCabac,
|
|
state.TargetRefFrames,
|
|
state.TargetVideoStreamCount,
|
|
state.TargetAudioStreamCount,
|
|
state.TargetVideoCodecTag);
|
|
|
|
if (mediaProfile != null)
|
|
{
|
|
state.MimeType = mediaProfile.MimeType;
|
|
}
|
|
|
|
var transcodingProfile = state.IsVideoRequest ?
|
|
profile.GetAudioTranscodingProfile(outputContainer, audioCodec) :
|
|
profile.GetVideoTranscodingProfile(outputContainer, audioCodec, videoCodec);
|
|
|
|
if (transcodingProfile != null)
|
|
{
|
|
state.EstimateContentLength = transcodingProfile.EstimateContentLength;
|
|
state.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;
|
|
state.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
|
|
}
|
|
}
|
|
}
|
|
}
|