diff options
Diffstat (limited to 'MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs')
| -rw-r--r-- | MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs | 618 |
1 files changed, 12 insertions, 606 deletions
diff --git a/MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs b/MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs index d6340d4ab..4b336e671 100644 --- a/MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs +++ b/MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs @@ -33,7 +33,7 @@ namespace MediaBrowser.MediaEncoding.Encoder _config = config; } - public async Task<EncodingJob> CreateJob(EncodingJobOptions options, bool isVideoRequest, IProgress<double> progress, CancellationToken cancellationToken) + public async Task<EncodingJob> CreateJob(EncodingJobOptions options, EncodingHelper encodingHelper, bool isVideoRequest, IProgress<double> progress, CancellationToken cancellationToken) { var request = options; @@ -49,6 +49,12 @@ namespace MediaBrowser.MediaEncoding.Encoder Progress = progress }; + if (!string.IsNullOrWhiteSpace(request.VideoCodec)) + { + state.SupportedVideoCodecs = request.VideoCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToList(); + request.VideoCodec = state.SupportedVideoCodecs.FirstOrDefault(); + } + if (!string.IsNullOrWhiteSpace(request.AudioCodec)) { state.SupportedAudioCodecs = request.AudioCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToList(); @@ -76,7 +82,7 @@ namespace MediaBrowser.MediaEncoding.Encoder var videoRequest = state.Options; - AttachMediaSourceInfo(state, mediaSource, videoRequest); + encodingHelper.AttachMediaSourceInfo(state, mediaSource, null); //var container = Path.GetExtension(state.RequestedUrl); @@ -89,17 +95,17 @@ namespace MediaBrowser.MediaEncoding.Encoder //state.OutputContainer = (container ?? string.Empty).TrimStart('.'); - state.OutputAudioBitrate = GetAudioBitrateParam(state.Options, state.AudioStream); + state.OutputAudioBitrate = encodingHelper.GetAudioBitrateParam(state.Options, state.AudioStream); state.OutputAudioSampleRate = request.AudioSampleRate; state.OutputAudioCodec = state.Options.AudioCodec; - state.OutputAudioChannels = GetNumAudioChannelsParam(state.Options, state.AudioStream, state.OutputAudioCodec); + state.OutputAudioChannels = encodingHelper.GetNumAudioChannelsParam(state.Options, state.AudioStream, state.OutputAudioCodec); if (videoRequest != null) { state.OutputVideoCodec = state.Options.VideoCodec; - state.OutputVideoBitrate = GetVideoBitrateParamValue(state.Options, state.VideoStream, state.OutputVideoCodec); + state.OutputVideoBitrate = encodingHelper.GetVideoBitrateParamValue(state.Options, state.VideoStream, state.OutputVideoCodec); if (state.OutputVideoBitrate.HasValue) { @@ -120,7 +126,7 @@ namespace MediaBrowser.MediaEncoding.Encoder if (videoRequest != null) { - TryStreamCopy(state, videoRequest); + encodingHelper.TryStreamCopy(state); } //state.OutputFilePath = GetOutputFilePath(state); @@ -128,104 +134,6 @@ namespace MediaBrowser.MediaEncoding.Encoder return state; } - internal static void TryStreamCopy(EncodingJob state, - EncodingJobOptions videoRequest) - { - if (state.IsVideoRequest) - { - if (state.VideoStream != null && CanStreamCopyVideo(videoRequest, state.VideoStream)) - { - state.OutputVideoCodec = "copy"; - } - - if (state.AudioStream != null && CanStreamCopyAudio(videoRequest, state.AudioStream, state.SupportedAudioCodecs)) - { - state.OutputAudioCodec = "copy"; - } - } - } - - internal static void AttachMediaSourceInfo(EncodingJob state, - MediaSourceInfo mediaSource, - EncodingJobOptions videoRequest) - { - state.MediaPath = mediaSource.Path; - state.InputProtocol = mediaSource.Protocol; - state.InputContainer = mediaSource.Container; - state.InputFileSize = mediaSource.Size; - state.InputBitrate = mediaSource.Bitrate; - state.RunTimeTicks = mediaSource.RunTimeTicks; - state.RemoteHttpHeaders = mediaSource.RequiredHttpHeaders; - - if (mediaSource.VideoType.HasValue) - { - state.VideoType = mediaSource.VideoType.Value; - } - - state.IsoType = mediaSource.IsoType; - - state.PlayableStreamFileNames = mediaSource.PlayableStreamFileNames.ToList(); - - if (mediaSource.Timestamp.HasValue) - { - state.InputTimestamp = mediaSource.Timestamp.Value; - } - - state.InputProtocol = mediaSource.Protocol; - state.MediaPath = mediaSource.Path; - state.RunTimeTicks = mediaSource.RunTimeTicks; - state.RemoteHttpHeaders = mediaSource.RequiredHttpHeaders; - state.InputBitrate = mediaSource.Bitrate; - state.InputFileSize = mediaSource.Size; - state.ReadInputAtNativeFramerate = mediaSource.ReadAtNativeFramerate; - - if (state.ReadInputAtNativeFramerate || - mediaSource.Protocol == MediaProtocol.File && string.Equals(mediaSource.Container, "wtv", StringComparison.OrdinalIgnoreCase)) - { - state.OutputAudioSync = "1000"; - state.InputVideoSync = "-1"; - state.InputAudioSync = "1"; - } - - if (string.Equals(mediaSource.Container, "wma", StringComparison.OrdinalIgnoreCase)) - { - // Seeing some stuttering when transcoding wma to audio-only HLS - state.InputAudioSync = "1"; - } - - var mediaStreams = mediaSource.MediaStreams; - - if (videoRequest != null) - { - if (string.IsNullOrEmpty(videoRequest.VideoCodec)) - { - videoRequest.VideoCodec = InferVideoCodec(videoRequest.OutputContainer); - } - - state.VideoStream = GetMediaStream(mediaStreams, videoRequest.VideoStreamIndex, MediaStreamType.Video); - state.SubtitleStream = GetMediaStream(mediaStreams, videoRequest.SubtitleStreamIndex, MediaStreamType.Subtitle, false); - state.AudioStream = GetMediaStream(mediaStreams, videoRequest.AudioStreamIndex, MediaStreamType.Audio); - - if (state.SubtitleStream != null && !state.SubtitleStream.IsExternal) - { - state.InternalSubtitleStreamOffset = mediaStreams.Where(i => i.Type == MediaStreamType.Subtitle && !i.IsExternal).ToList().IndexOf(state.SubtitleStream); - } - - if (state.VideoStream != null && state.VideoStream.IsInterlaced) - { - state.DeInterlace = true; - } - - EnforceResolutionLimit(state, videoRequest); - } - else - { - state.AudioStream = GetMediaStream(mediaStreams, null, MediaStreamType.Audio, true); - } - - state.MediaSource = mediaSource; - } - protected EncodingOptions GetEncodingOptions() { return _config.GetConfiguration<EncodingOptions>("encoding"); @@ -301,203 +209,6 @@ namespace MediaBrowser.MediaEncoding.Encoder } /// <summary> - /// Determines which stream will be used for playback - /// </summary> - /// <param name="allStream">All stream.</param> - /// <param name="desiredIndex">Index of the desired.</param> - /// <param name="type">The type.</param> - /// <param name="returnFirstIfNoIndex">if set to <c>true</c> [return first if no index].</param> - /// <returns>MediaStream.</returns> - private static MediaStream GetMediaStream(IEnumerable<MediaStream> allStream, int? desiredIndex, MediaStreamType type, bool returnFirstIfNoIndex = true) - { - var streams = allStream.Where(s => s.Type == type).OrderBy(i => i.Index).ToList(); - - if (desiredIndex.HasValue) - { - var stream = streams.FirstOrDefault(s => s.Index == desiredIndex.Value); - - if (stream != null) - { - return stream; - } - } - - if (type == MediaStreamType.Video) - { - streams = streams.Where(i => !string.Equals(i.Codec, "mjpeg", StringComparison.OrdinalIgnoreCase)).ToList(); - } - - if (returnFirstIfNoIndex && type == MediaStreamType.Audio) - { - return streams.FirstOrDefault(i => i.Channels.HasValue && i.Channels.Value > 0) ?? - streams.FirstOrDefault(); - } - - // Just return the first one - return returnFirstIfNoIndex ? streams.FirstOrDefault() : null; - } - - /// <summary> - /// Enforces the resolution limit. - /// </summary> - /// <param name="state">The state.</param> - /// <param name="videoRequest">The video request.</param> - private static void EnforceResolutionLimit(EncodingJob state, EncodingJobOptions videoRequest) - { - // Switch the incoming params to be ceilings rather than fixed values - videoRequest.MaxWidth = videoRequest.MaxWidth ?? videoRequest.Width; - videoRequest.MaxHeight = videoRequest.MaxHeight ?? videoRequest.Height; - - videoRequest.Width = null; - videoRequest.Height = null; - } - - /// <summary> - /// Gets the number of audio channels to specify on the command line - /// </summary> - /// <param name="request">The request.</param> - /// <param name="audioStream">The audio stream.</param> - /// <param name="outputAudioCodec">The output audio codec.</param> - /// <returns>System.Nullable{System.Int32}.</returns> - private int? GetNumAudioChannelsParam(EncodingJobOptions request, MediaStream audioStream, string outputAudioCodec) - { - var inputChannels = audioStream == null - ? null - : audioStream.Channels; - - if (inputChannels <= 0) - { - inputChannels = null; - } - - int? transcoderChannelLimit = null; - var codec = outputAudioCodec ?? string.Empty; - - if (codec.IndexOf("wma", StringComparison.OrdinalIgnoreCase) != -1) - { - // wmav2 currently only supports two channel output - transcoderChannelLimit = 2; - } - - else if (codec.IndexOf("mp3", StringComparison.OrdinalIgnoreCase) != -1) - { - // libmp3lame currently only supports two channel output - transcoderChannelLimit = 2; - } - else - { - // If we don't have any media info then limit it to 6 to prevent encoding errors due to asking for too many channels - transcoderChannelLimit = 6; - } - - var isTranscodingAudio = !string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase); - - int? resultChannels = null; - if (isTranscodingAudio) - { - resultChannels = request.TranscodingMaxAudioChannels; - } - resultChannels = resultChannels ?? request.MaxAudioChannels ?? request.AudioChannels; - - if (inputChannels.HasValue) - { - resultChannels = resultChannels.HasValue - ? Math.Min(resultChannels.Value, inputChannels.Value) - : inputChannels.Value; - } - - if (isTranscodingAudio && transcoderChannelLimit.HasValue) - { - resultChannels = resultChannels.HasValue - ? Math.Min(resultChannels.Value, transcoderChannelLimit.Value) - : transcoderChannelLimit.Value; - } - - return resultChannels ?? request.AudioChannels; - } - - private int? GetVideoBitrateParamValue(EncodingJobOptions request, MediaStream videoStream, string outputVideoCodec) - { - var bitrate = request.VideoBitRate; - - if (videoStream != null) - { - var isUpscaling = request.Height.HasValue && videoStream.Height.HasValue && - request.Height.Value > videoStream.Height.Value; - - if (request.Width.HasValue && videoStream.Width.HasValue && - request.Width.Value > videoStream.Width.Value) - { - isUpscaling = true; - } - - // Don't allow bitrate increases unless upscaling - if (!isUpscaling) - { - if (bitrate.HasValue && videoStream.BitRate.HasValue) - { - bitrate = Math.Min(bitrate.Value, videoStream.BitRate.Value); - } - } - } - - if (bitrate.HasValue) - { - var inputVideoCodec = videoStream == null ? null : videoStream.Codec; - bitrate = ResolutionNormalizer.ScaleBitrate(bitrate.Value, inputVideoCodec, outputVideoCodec); - - // If a max bitrate was requested, don't let the scaled bitrate exceed it - if (request.VideoBitRate.HasValue) - { - bitrate = Math.Min(bitrate.Value, request.VideoBitRate.Value); - } - } - - return bitrate; - } - - protected string GetVideoBitrateParam(EncodingJob state, string videoCodec, bool isHls) - { - var bitrate = state.OutputVideoBitrate; - - if (bitrate.HasValue) - { - if (string.Equals(videoCodec, "libvpx", StringComparison.OrdinalIgnoreCase)) - { - // With vpx when crf is used, b:v becomes a max rate - // 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. - return string.Format(" -maxrate:v {0} -bufsize:v ({0}*2) -b:v {0}", bitrate.Value.ToString(UsCulture)); - } - - if (string.Equals(videoCodec, "msmpeg4", StringComparison.OrdinalIgnoreCase)) - { - return string.Format(" -b:v {0}", bitrate.Value.ToString(UsCulture)); - } - - // h264 - return string.Format(" -b:v {0} -maxrate {0} -bufsize {1}", - bitrate.Value.ToString(UsCulture), - (bitrate.Value * 2).ToString(UsCulture)); - } - - return string.Empty; - } - - private int? GetAudioBitrateParam(EncodingJobOptions request, MediaStream audioStream) - { - if (request.AudioBitRate.HasValue) - { - // Make sure we don't request a bitrate higher than the source - var currentBitrate = audioStream == null ? request.AudioBitRate.Value : audioStream.BitRate ?? request.AudioBitRate.Value; - - return request.AudioBitRate.Value; - //return Math.Min(currentBitrate, request.AudioBitRate.Value); - } - - return null; - } - - /// <summary> /// Determines whether the specified stream is H264. /// </summary> /// <param name="stream">The stream.</param> @@ -510,260 +221,6 @@ namespace MediaBrowser.MediaEncoding.Encoder codec.IndexOf("avc", StringComparison.OrdinalIgnoreCase) != -1; } - /// <summary> - /// Gets the name of the output audio codec - /// </summary> - /// <param name="state">The state.</param> - /// <returns>System.String.</returns> - internal static string GetAudioEncoder(EncodingJob state) - { - var codec = state.OutputAudioCodec; - - if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase)) - { - return "aac -strict experimental"; - } - if (string.Equals(codec, "mp3", StringComparison.OrdinalIgnoreCase)) - { - return "libmp3lame"; - } - if (string.Equals(codec, "vorbis", StringComparison.OrdinalIgnoreCase)) - { - return "libvorbis"; - } - if (string.Equals(codec, "wma", StringComparison.OrdinalIgnoreCase)) - { - return "wmav2"; - } - - return codec.ToLower(); - } - - /// <summary> - /// Gets the name of the output video codec - /// </summary> - /// <returns>System.String.</returns> - internal static string GetVideoEncoder(IMediaEncoder mediaEncoder, EncodingJob state, EncodingOptions options) - { - var codec = state.OutputVideoCodec; - - if (!string.IsNullOrEmpty(codec)) - { - if (string.Equals(codec, "h264", StringComparison.OrdinalIgnoreCase)) - { - return GetH264Encoder(mediaEncoder, state, options); - } - if (string.Equals(codec, "vpx", StringComparison.OrdinalIgnoreCase)) - { - return "libvpx"; - } - if (string.Equals(codec, "wmv", StringComparison.OrdinalIgnoreCase)) - { - return "wmv2"; - } - if (string.Equals(codec, "theora", StringComparison.OrdinalIgnoreCase)) - { - return "libtheora"; - } - - return codec.ToLower(); - } - - return "copy"; - } - - private static string GetAvailableEncoder(IMediaEncoder mediaEncoder, string preferredEncoder, string defaultEncoder) - { - if (mediaEncoder.SupportsEncoder(preferredEncoder)) - { - return preferredEncoder; - } - return defaultEncoder; - } - - internal static string GetH264Encoder(IMediaEncoder mediaEncoder, EncodingJob state, EncodingOptions options) - { - var defaultEncoder = "libx264"; - - // Only use alternative encoders for video files. - // When using concat with folder rips, if the mfx session fails to initialize, ffmpeg will be stuck retrying and will not exit gracefully - // Since transcoding of folder rips is expiremental anyway, it's not worth adding additional variables such as this. - if (state.VideoType == VideoType.VideoFile) - { - var hwType = options.HardwareAccelerationType; - - if (string.Equals(hwType, "qsv", StringComparison.OrdinalIgnoreCase) || - string.Equals(hwType, "h264_qsv", StringComparison.OrdinalIgnoreCase)) - { - return GetAvailableEncoder(mediaEncoder, "h264_qsv", defaultEncoder); - } - - if (string.Equals(hwType, "nvenc", StringComparison.OrdinalIgnoreCase)) - { - return GetAvailableEncoder(mediaEncoder, "h264_nvenc", defaultEncoder); - } - if (string.Equals(hwType, "h264_omx", StringComparison.OrdinalIgnoreCase)) - { - return GetAvailableEncoder(mediaEncoder, "h264_omx", defaultEncoder); - } - if (string.Equals(hwType, "vaapi", StringComparison.OrdinalIgnoreCase) && !string.IsNullOrWhiteSpace(options.VaapiDevice)) - { - if (IsVaapiSupported(state)) - { - return GetAvailableEncoder(mediaEncoder, "h264_vaapi", defaultEncoder); - } - } - } - - return defaultEncoder; - } - - private static bool IsVaapiSupported(EncodingJob state) - { - var videoStream = state.VideoStream; - - if (videoStream != null) - { - // vaapi will throw an error with this input - // [vaapi @ 0x7faed8000960] No VAAPI support for codec mpeg4 profile -99. - if (string.Equals(videoStream.Codec, "mpeg4", StringComparison.OrdinalIgnoreCase)) - { - if (videoStream.Level == -99 || videoStream.Level == 15) - { - return false; - } - } - } - return true; - } - - 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 (string.Equals("h264", videoStream.Codec, StringComparison.OrdinalIgnoreCase)) - { - if (videoStream.IsAVC.HasValue && !videoStream.IsAVC.Value) - { - 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; - } - } - - return request.EnableAutoStreamCopy; - } - private static int GetVideoProfileScore(string profile) { var list = new List<string> @@ -780,57 +237,6 @@ namespace MediaBrowser.MediaEncoding.Encoder 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; |