diff options
Diffstat (limited to 'MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs')
| -rw-r--r-- | MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | 525 |
1 files changed, 378 insertions, 147 deletions
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index a115179e8..9a6f1231f 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs @@ -7,6 +7,7 @@ using System.IO; using System.Linq; using System.Runtime.InteropServices; using System.Text; +using System.Text.RegularExpressions; using System.Threading; using Jellyfin.Data.Enums; using MediaBrowser.Controller.Entities; @@ -23,7 +24,7 @@ namespace MediaBrowser.Controller.MediaEncoding { public class EncodingHelper { - private readonly CultureInfo _usCulture = new CultureInfo("en-US"); + private static readonly CultureInfo _usCulture = new CultureInfo("en-US"); private readonly IMediaEncoder _mediaEncoder; private readonly IFileSystem _fileSystem; @@ -440,6 +441,12 @@ namespace MediaBrowser.Controller.MediaEncoding return "libopus"; } + if (string.Equals(codec, "flac", StringComparison.OrdinalIgnoreCase)) + { + // flac is experimental in mp4 muxer + return "flac -strict -2"; + } + return codec.ToLowerInvariant(); } @@ -573,7 +580,7 @@ namespace MediaBrowser.Controller.MediaEncoding /// </summary> /// <param name="stream">The stream.</param> /// <returns><c>true</c> if the specified stream is H264; otherwise, <c>false</c>.</returns> - public bool IsH264(MediaStream stream) + public static bool IsH264(MediaStream stream) { var codec = stream.Codec ?? string.Empty; @@ -581,7 +588,7 @@ namespace MediaBrowser.Controller.MediaEncoding || codec.IndexOf("avc", StringComparison.OrdinalIgnoreCase) != -1; } - public bool IsH265(MediaStream stream) + public static bool IsH265(MediaStream stream) { var codec = stream.Codec ?? string.Empty; @@ -589,10 +596,17 @@ namespace MediaBrowser.Controller.MediaEncoding || codec.IndexOf("hevc", StringComparison.OrdinalIgnoreCase) != -1; } - // TODO This is auto inserted into the mpegts mux so it might not be needed - // https://www.ffmpeg.org/ffmpeg-bitstream-filters.html#h264_005fmp4toannexb - public string GetBitStreamArgs(MediaStream stream) + public static bool IsAAC(MediaStream stream) { + var codec = stream.Codec ?? string.Empty; + + return codec.IndexOf("aac", StringComparison.OrdinalIgnoreCase) != -1; + } + + public static string GetBitStreamArgs(MediaStream stream) + { + // TODO This is auto inserted into the mpegts mux so it might not be needed. + // https://www.ffmpeg.org/ffmpeg-bitstream-filters.html#h264_005fmp4toannexb if (IsH264(stream)) { return "-bsf:v h264_mp4toannexb"; @@ -601,12 +615,44 @@ namespace MediaBrowser.Controller.MediaEncoding { return "-bsf:v hevc_mp4toannexb"; } + else if (IsAAC(stream)) + { + // Convert adts header(mpegts) to asc header(mp4). + return "-bsf:a aac_adtstoasc"; + } else { return null; } } + public static string GetAudioBitStreamArguments(EncodingJobInfo state, string segmentContainer, string mediaSourceContainer) + { + var bitStreamArgs = string.Empty; + var segmentFormat = GetSegmentFileExtension(segmentContainer).TrimStart('.'); + + // Apply aac_adtstoasc bitstream filter when media source is in mpegts. + if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase) + && (string.Equals(mediaSourceContainer, "mpegts", StringComparison.OrdinalIgnoreCase) + || string.Equals(mediaSourceContainer, "hls", StringComparison.OrdinalIgnoreCase))) + { + bitStreamArgs = GetBitStreamArgs(state.AudioStream); + bitStreamArgs = string.IsNullOrEmpty(bitStreamArgs) ? string.Empty : " " + bitStreamArgs; + } + + return bitStreamArgs; + } + + public static string GetSegmentFileExtension(string segmentContainer) + { + if (!string.IsNullOrWhiteSpace(segmentContainer)) + { + return "." + segmentContainer; + } + + return ".ts"; + } + public string GetVideoBitrateParam(EncodingJobInfo state, string videoCodec) { var bitrate = state.OutputVideoBitrate; @@ -654,16 +700,30 @@ namespace MediaBrowser.Controller.MediaEncoding return string.Empty; } - public string NormalizeTranscodingLevel(string videoCodec, string level) + public static string NormalizeTranscodingLevel(EncodingJobInfo state, string level) { - // Clients may direct play higher than level 41, but there's no reason to transcode higher - if (double.TryParse(level, NumberStyles.Any, _usCulture, out double requestLevel) - && requestLevel > 41 - && (string.Equals(videoCodec, "h264", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoCodec, "h265", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoCodec, "hevc", StringComparison.OrdinalIgnoreCase))) + if (double.TryParse(level, NumberStyles.Any, _usCulture, out double requestLevel)) { - return "41"; + if (string.Equals(state.ActualOutputVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase) + || string.Equals(state.ActualOutputVideoCodec, "h265", StringComparison.OrdinalIgnoreCase)) + { + // Transcode to level 5.0 and lower for maximum compatibility. + // Level 5.0 is suitable for up to 4k 30fps hevc encoding, otherwise let the encoder to handle it. + // https://en.wikipedia.org/wiki/High_Efficiency_Video_Coding_tiers_and_levels + // MaxLumaSampleRate = 3840*2160*30 = 248832000 < 267386880. + if (requestLevel >= 150) + { + return "150"; + } + } + else if (string.Equals(state.ActualOutputVideoCodec, "h264", StringComparison.OrdinalIgnoreCase)) + { + // Clients may direct play higher than level 41, but there's no reason to transcode higher. + if (requestLevel >= 41) + { + return "41"; + } + } } return level; @@ -766,6 +826,72 @@ namespace MediaBrowser.Controller.MediaEncoding return null; } + public string GetHlsVideoKeyFrameArguments( + EncodingJobInfo state, + string codec, + int segmentLength, + bool isEventPlaylist, + int? startNumber) + { + var args = string.Empty; + var gopArg = string.Empty; + var keyFrameArg = string.Empty; + if (isEventPlaylist) + { + keyFrameArg = string.Format( + CultureInfo.InvariantCulture, + " -force_key_frames:0 \"expr:gte(t,n_forced*{0})\"", + segmentLength); + } + else if (startNumber.HasValue) + { + keyFrameArg = string.Format( + CultureInfo.InvariantCulture, + " -force_key_frames:0 \"expr:gte(t,{0}+n_forced*{1})\"", + startNumber.Value * segmentLength, + segmentLength); + } + + var framerate = state.VideoStream?.RealFrameRate; + if (framerate.HasValue) + { + // This is to make sure keyframe interval is limited to our segment, + // as forcing keyframes is not enough. + // Example: we encoded half of desired length, then codec detected + // scene cut and inserted a keyframe; next forced keyframe would + // be created outside of segment, which breaks seeking. + // -sc_threshold 0 is used to prevent the hardware encoder from post processing to break the set keyframe. + gopArg = string.Format( + CultureInfo.InvariantCulture, + " -g:v:0 {0} -keyint_min:v:0 {0} -sc_threshold:v:0 0", + Math.Ceiling(segmentLength * framerate.Value)); + } + + // Unable to force key frames using these encoders, set key frames by GOP. + if (string.Equals(codec, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "h264_nvenc", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "h264_amf", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_nvenc", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_amf", StringComparison.OrdinalIgnoreCase)) + { + args += gopArg; + } + else if (string.Equals(codec, "libx264", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "libx265", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "h264_vaapi", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc_vaapi", StringComparison.OrdinalIgnoreCase)) + { + args += " " + keyFrameArg; + } + else + { + args += " " + keyFrameArg + gopArg; + } + + return args; + } + /// <summary> /// Gets the video bitrate to specify on the command line. /// </summary> @@ -773,6 +899,47 @@ namespace MediaBrowser.Controller.MediaEncoding { var param = string.Empty; + if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "h264_vaapi", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "hevc_vaapi", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase) + && !string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) + { + param += " -pix_fmt yuv420p"; + } + + if (string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) + { + var videoStream = state.VideoStream; + var isColorDepth10 = IsColorDepth10(state); + + if (isColorDepth10 + && _mediaEncoder.SupportsHwaccel("opencl") + && encodingOptions.EnableTonemapping + && !string.IsNullOrEmpty(videoStream.VideoRange) + && videoStream.VideoRange.Contains("HDR", StringComparison.OrdinalIgnoreCase)) + { + param += " -pix_fmt nv12"; + } + else + { + param += " -pix_fmt yuv420p"; + } + } + + if (string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase)) + { + param += " -pix_fmt nv21"; + } + var isVc1 = state.VideoStream != null && string.Equals(state.VideoStream.Codec, "vc1", StringComparison.OrdinalIgnoreCase); var isLibX265 = string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase); @@ -781,11 +948,11 @@ namespace MediaBrowser.Controller.MediaEncoding { if (!string.IsNullOrEmpty(encodingOptions.EncoderPreset)) { - param += "-preset " + encodingOptions.EncoderPreset; + param += " -preset " + encodingOptions.EncoderPreset; } else { - param += "-preset " + defaultPreset; + param += " -preset " + defaultPreset; } int encodeCrf = encodingOptions.H264Crf; @@ -809,38 +976,40 @@ namespace MediaBrowser.Controller.MediaEncoding param += " -crf " + defaultCrf; } } - else if (string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase)) // h264 (h264_qsv) + else if (string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) // h264 (h264_qsv) + || string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase)) // hevc (hevc_qsv) { string[] valid_h264_qsv = { "veryslow", "slower", "slow", "medium", "fast", "faster", "veryfast" }; if (valid_h264_qsv.Contains(encodingOptions.EncoderPreset, StringComparer.OrdinalIgnoreCase)) { - param += "-preset " + encodingOptions.EncoderPreset; + param += " -preset " + encodingOptions.EncoderPreset; } else { - param += "-preset 7"; + param += " -preset 7"; } param += " -look_ahead 0"; } else if (string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) // h264 (h264_nvenc) - || string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase)) + || string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase)) // hevc (hevc_nvenc) { + // following preset will be deprecated in ffmpeg 4.4, use p1~p7 instead. switch (encodingOptions.EncoderPreset) { case "veryslow": - param += "-preset slow"; // lossless is only supported on maxwell and newer(2014+) + param += " -preset slow"; // lossless is only supported on maxwell and newer(2014+) break; case "slow": case "slower": - param += "-preset slow"; + param += " -preset slow"; break; case "medium": - param += "-preset medium"; + param += " -preset medium"; break; case "fast": @@ -848,27 +1017,27 @@ namespace MediaBrowser.Controller.MediaEncoding case "veryfast": case "superfast": case "ultrafast": - param += "-preset fast"; + param += " -preset fast"; break; default: - param += "-preset default"; + param += " -preset default"; break; } } - else if (string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) + else if (string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) // h264 (h264_amf) + || string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) // hevc (hevc_amf) { switch (encodingOptions.EncoderPreset) { case "veryslow": case "slow": case "slower": - param += "-quality quality"; + param += " -quality quality"; break; case "medium": - param += "-quality balanced"; + param += " -quality balanced"; break; case "fast": @@ -876,11 +1045,11 @@ namespace MediaBrowser.Controller.MediaEncoding case "veryfast": case "superfast": case "ultrafast": - param += "-quality speed"; + param += " -quality speed"; break; default: - param += "-quality speed"; + param += " -quality speed"; break; } @@ -896,6 +1065,11 @@ namespace MediaBrowser.Controller.MediaEncoding // Enhance workload when tone mapping with AMF on some APUs param += " -preanalysis true"; } + + if (string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) + { + param += " -header_insertion_mode gop -gops_per_idr 1"; + } } else if (string.Equals(videoEncoder, "libvpx", StringComparison.OrdinalIgnoreCase)) // webm { @@ -917,7 +1091,7 @@ namespace MediaBrowser.Controller.MediaEncoding profileScore = Math.Min(profileScore, 2); // http://www.webmproject.org/docs/encoder-parameters/ - param += string.Format(CultureInfo.InvariantCulture, "-speed 16 -quality good -profile:v {0} -slices 8 -crf {1} -qmin {2} -qmax {3}", + param += string.Format(CultureInfo.InvariantCulture, " -speed 16 -quality good -profile:v {0} -slices 8 -crf {1} -qmin {2} -qmax {3}", profileScore.ToString(_usCulture), crf, qmin, @@ -925,15 +1099,15 @@ namespace MediaBrowser.Controller.MediaEncoding } else if (string.Equals(videoEncoder, "mpeg4", StringComparison.OrdinalIgnoreCase)) { - param += "-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -bf 2"; + param += " -mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -bf 2"; } else if (string.Equals(videoEncoder, "wmv2", StringComparison.OrdinalIgnoreCase)) // asf/wmv { - param += "-qmin 2"; + param += " -qmin 2"; } else if (string.Equals(videoEncoder, "msmpeg4", StringComparison.OrdinalIgnoreCase)) { - param += "-mbd 2"; + param += " -mbd 2"; } param += GetVideoBitrateParam(state, videoEncoder); @@ -945,11 +1119,25 @@ namespace MediaBrowser.Controller.MediaEncoding } var targetVideoCodec = state.ActualOutputVideoCodec; + if (string.Equals(targetVideoCodec, "h265", StringComparison.OrdinalIgnoreCase) + || string.Equals(targetVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase)) + { + targetVideoCodec = "hevc"; + } var profile = state.GetRequestedProfiles(targetVideoCodec).FirstOrDefault(); + profile = Regex.Replace(profile, @"\s+", String.Empty); - // vaapi does not support Baseline profile, force Constrained Baseline in this case, - // which is compatible (and ugly) + // Only libx264 support encoding H264 High 10 Profile, otherwise force High Profile. + if (!string.Equals(videoEncoder, "libx264", StringComparison.OrdinalIgnoreCase) + && profile != null + && profile.IndexOf("high 10", StringComparison.OrdinalIgnoreCase) != -1) + { + profile = "high"; + } + + // h264_vaapi does not support Baseline profile, force Constrained Baseline in this case, + // which is compatible (and ugly). if (string.Equals(videoEncoder, "h264_vaapi", StringComparison.OrdinalIgnoreCase) && profile != null && profile.IndexOf("baseline", StringComparison.OrdinalIgnoreCase) != -1) @@ -957,13 +1145,31 @@ namespace MediaBrowser.Controller.MediaEncoding profile = "constrained_baseline"; } + // libx264, h264_qsv and h264_nvenc does not support Constrained Baseline profile, force Baseline in this case. + if ((string.Equals(videoEncoder, "libx264", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase)) + && profile != null + && profile.IndexOf("baseline", StringComparison.OrdinalIgnoreCase) != -1) + { + profile = "baseline"; + } + + // Currently hevc_amf only support encoding HEVC Main Profile, otherwise force Main Profile. + if (!string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase) + && profile != null + && profile.IndexOf("main 10", StringComparison.OrdinalIgnoreCase) != -1) + { + profile = "main"; + } + if (!string.IsNullOrEmpty(profile)) { if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase) && !string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase)) { // not supported by h264_omx - param += " -profile:v " + profile; + param += " -profile:v:0 " + profile; } } @@ -971,55 +1177,35 @@ namespace MediaBrowser.Controller.MediaEncoding if (!string.IsNullOrEmpty(level)) { - level = NormalizeTranscodingLevel(state.OutputVideoCodec, level); + level = NormalizeTranscodingLevel(state, level); - // h264_qsv and h264_nvenc expect levels to be expressed as a decimal. libx264 supports decimal and non-decimal format - // also needed for libx264 due to https://trac.ffmpeg.org/ticket/3307 + // libx264, QSV, AMF, VAAPI can adjust the given level to match the output. if (string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "libx264", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase)) + || string.Equals(videoEncoder, "libx264", StringComparison.OrdinalIgnoreCase)) { - switch (level) + param += " -level " + level; + } + else if (string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase)) + { + // hevc_qsv use -level 51 instead of -level 153. + if (double.TryParse(level, NumberStyles.Any, _usCulture, out double hevcLevel)) { - case "30": - param += " -level 3.0"; - break; - case "31": - param += " -level 3.1"; - break; - case "32": - param += " -level 3.2"; - break; - case "40": - param += " -level 4.0"; - break; - case "41": - param += " -level 4.1"; - break; - case "42": - param += " -level 4.2"; - break; - case "50": - param += " -level 5.0"; - break; - case "51": - param += " -level 5.1"; - break; - case "52": - param += " -level 5.2"; - break; - default: - param += " -level " + level; - break; + param += " -level " + hevcLevel / 3; } } + else if (string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_amf", StringComparison.OrdinalIgnoreCase)) + { + param += " -level " + level; + } else if (string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase)) + || string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase)) { - // nvenc doesn't decode with param -level set ?! - // TODO: + // level option may cause NVENC to fail. + // NVENC cannot adjust the given level, just throw an error. } - else if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase)) + else if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase) + || !string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase)) { param += " -level " + level; } @@ -1032,42 +1218,11 @@ namespace MediaBrowser.Controller.MediaEncoding if (string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase)) { - // todo - } - - if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase) - && !string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) - && !string.Equals(videoEncoder, "h264_vaapi", StringComparison.OrdinalIgnoreCase) - && !string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) - && !string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase) - && !string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase)) - { - param = "-pix_fmt yuv420p " + param; - } - - if (string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "h264_amf", StringComparison.OrdinalIgnoreCase)) - { - var videoStream = state.VideoStream; - var isColorDepth10 = IsColorDepth10(state); - - if (isColorDepth10 - && _mediaEncoder.SupportsHwaccel("opencl") - && encodingOptions.EnableTonemapping - && !string.IsNullOrEmpty(videoStream.VideoRange) - && videoStream.VideoRange.Contains("HDR", StringComparison.OrdinalIgnoreCase)) - { - param = "-pix_fmt nv12 " + param; - } - else - { - param = "-pix_fmt yuv420p " + param; - } - } - - if (string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase)) - { - param = "-pix_fmt nv21 " + param; + // libx265 only accept level option in -x265-params. + // level option may cause libx265 to fail. + // libx265 cannot adjust the given level, just throw an error. + // TODO: set fine tuned params. + param += " -x265-params:0 no-info=1"; } return param; @@ -1346,7 +1501,7 @@ namespace MediaBrowser.Controller.MediaEncoding || string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase) || string.Equals(codec, "vp9", StringComparison.OrdinalIgnoreCase)) { - return .5; + return .6; } return 1; @@ -1380,36 +1535,48 @@ namespace MediaBrowser.Controller.MediaEncoding public int? GetAudioBitrateParam(BaseEncodingJobOptions request, MediaStream audioStream) { - if (audioStream == null) - { - return null; - } - - if (request.AudioBitRate.HasValue) - { - // Don't encode any higher than this - return Math.Min(384000, request.AudioBitRate.Value); - } - - // Empty bitrate area is not allow on iOS - // Default audio bitrate to 128K if it is not being requested - // https://ffmpeg.org/ffmpeg-codecs.html#toc-Codec-Options - return 128000; + return GetAudioBitrateParam(request.AudioBitRate, request.AudioCodec, audioStream); } - public int? GetAudioBitrateParam(int? audioBitRate, MediaStream audioStream) + public int? GetAudioBitrateParam(int? audioBitRate, string audioCodec, MediaStream audioStream) { if (audioStream == null) { return null; } - if (audioBitRate.HasValue) + if (audioBitRate.HasValue && string.IsNullOrEmpty(audioCodec)) { - // Don't encode any higher than this return Math.Min(384000, audioBitRate.Value); } + if (audioBitRate.HasValue && !string.IsNullOrEmpty(audioCodec)) + { + if (string.Equals(audioCodec, "aac", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "mp3", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "ac3", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "eac3", StringComparison.OrdinalIgnoreCase)) + { + if ((audioStream.Channels ?? 0) >= 6) + { + return Math.Min(640000, audioBitRate.Value); + } + + return Math.Min(384000, audioBitRate.Value); + } + + if (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase) + || string.Equals(audioCodec, "alac", StringComparison.OrdinalIgnoreCase)) + { + if ((audioStream.Channels ?? 0) >= 6) + { + return Math.Min(3584000, audioBitRate.Value); + } + + return Math.Min(1536000, audioBitRate.Value); + } + } + // Empty bitrate area is not allow on iOS // Default audio bitrate to 128K if it is not being requested // https://ffmpeg.org/ffmpeg-codecs.html#toc-Codec-Options @@ -1447,7 +1614,7 @@ namespace MediaBrowser.Controller.MediaEncoding if (filters.Count > 0) { - return "-af \"" + string.Join(",", filters) + "\""; + return " -af \"" + string.Join(",", filters) + "\""; } return string.Empty; @@ -1462,6 +1629,11 @@ namespace MediaBrowser.Controller.MediaEncoding /// <returns>System.Nullable{System.Int32}.</returns> public int? GetNumAudioChannelsParam(EncodingJobInfo state, MediaStream audioStream, string outputAudioCodec) { + if (audioStream == null) + { + return null; + } + var request = state.BaseRequest; var inputChannels = audioStream?.Channels; @@ -1484,6 +1656,11 @@ namespace MediaBrowser.Controller.MediaEncoding // libmp3lame currently only supports two channel output transcoderChannelLimit = 2; } + else if (codec.IndexOf("aac", StringComparison.OrdinalIgnoreCase) != -1) + { + // aac is able to handle 8ch(7.1 layout) + transcoderChannelLimit = 8; + } 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 @@ -1708,7 +1885,8 @@ namespace MediaBrowser.Controller.MediaEncoding } // For QSV, feed it into hardware encoder now - if (isLinux && string.Equals(outputVideoCodec, "h264_qsv", StringComparison.OrdinalIgnoreCase)) + if (isLinux && (string.Equals(outputVideoCodec, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(outputVideoCodec, "hevc_qsv", StringComparison.OrdinalIgnoreCase))) { videoSizeParam += ",hwupload=extra_hw_frames=64"; } @@ -1729,7 +1907,8 @@ namespace MediaBrowser.Controller.MediaEncoding : " -filter_complex \"[{0}:{1}]{4}[sub];[0:{2}][sub]overlay\""; // When the input may or may not be hardware VAAPI decodable - if (string.Equals(outputVideoCodec, "h264_vaapi", StringComparison.OrdinalIgnoreCase)) + if (string.Equals(outputVideoCodec, "h264_vaapi", StringComparison.OrdinalIgnoreCase) + || string.Equals(outputVideoCodec, "hevc_vaapi", StringComparison.OrdinalIgnoreCase)) { /* [base]: HW scaling video to OutputSize @@ -1741,7 +1920,8 @@ namespace MediaBrowser.Controller.MediaEncoding // If we're hardware VAAPI decoding and software encoding, download frames from the decoder first else if (_mediaEncoder.SupportsHwaccel("vaapi") && videoDecoder.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1 - && string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase)) + && (string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase) + || string.Equals(outputVideoCodec, "libx265", StringComparison.OrdinalIgnoreCase))) { /* [base]: SW scaling video to OutputSize @@ -1750,7 +1930,8 @@ namespace MediaBrowser.Controller.MediaEncoding */ retStr = " -filter_complex \"[{0}:{1}]{4}[sub];[0:{2}]{3}[base];[base][sub]overlay\""; } - else if (string.Equals(outputVideoCodec, "h264_qsv", StringComparison.OrdinalIgnoreCase)) + else if (string.Equals(outputVideoCodec, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(outputVideoCodec, "hevc_qsv", StringComparison.OrdinalIgnoreCase)) { /* QSV in FFMpeg can now setup hardware overlay for transcodes. @@ -1776,7 +1957,7 @@ namespace MediaBrowser.Controller.MediaEncoding videoSizeParam); } - private (int? width, int? height) GetFixedOutputSize( + public static (int? width, int? height) GetFixedOutputSize( int? videoWidth, int? videoHeight, int? requestedWidth, @@ -1836,7 +2017,9 @@ namespace MediaBrowser.Controller.MediaEncoding requestedMaxHeight); if ((string.Equals(videoEncoder, "h264_vaapi", StringComparison.OrdinalIgnoreCase) - || string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase)) + || string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_vaapi", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase)) && width.HasValue && height.HasValue) { @@ -1845,7 +2028,8 @@ namespace MediaBrowser.Controller.MediaEncoding // output dimensions. Output dimensions are guaranteed to be even. var outputWidth = width.Value; var outputHeight = height.Value; - var qsv_or_vaapi = string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase); + var qsv_or_vaapi = string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase); var isDeintEnabled = state.DeInterlace("h264", true) || state.DeInterlace("avc", true) || state.DeInterlace("h265", true) @@ -2107,10 +2291,13 @@ namespace MediaBrowser.Controller.MediaEncoding var isD3d11vaDecoder = videoDecoder.IndexOf("d3d11va", StringComparison.OrdinalIgnoreCase) != -1; var isVaapiDecoder = videoDecoder.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1; var isVaapiH264Encoder = outputVideoCodec.IndexOf("h264_vaapi", StringComparison.OrdinalIgnoreCase) != -1; + var isVaapiHevcEncoder = outputVideoCodec.IndexOf("hevc_vaapi", StringComparison.OrdinalIgnoreCase) != -1; var isQsvH264Encoder = outputVideoCodec.IndexOf("h264_qsv", StringComparison.OrdinalIgnoreCase) != -1; + var isQsvHevcEncoder = outputVideoCodec.IndexOf("hevc_qsv", StringComparison.OrdinalIgnoreCase) != -1; var isNvdecH264Decoder = videoDecoder.IndexOf("h264_cuvid", StringComparison.OrdinalIgnoreCase) != -1; var isNvdecHevcDecoder = videoDecoder.IndexOf("hevc_cuvid", StringComparison.OrdinalIgnoreCase) != -1; var isLibX264Encoder = outputVideoCodec.IndexOf("libx264", StringComparison.OrdinalIgnoreCase) != -1; + var isLibX265Encoder = outputVideoCodec.IndexOf("libx265", StringComparison.OrdinalIgnoreCase) != -1; var isLinux = RuntimeInformation.IsOSPlatform(OSPlatform.Linux); var isColorDepth10 = IsColorDepth10(state); @@ -2185,6 +2372,7 @@ namespace MediaBrowser.Controller.MediaEncoding filters.Add("hwdownload"); if (isLibX264Encoder + || isLibX265Encoder || hasGraphicalSubs || (isNvdecHevcDecoder && isDeinterlaceHevc) || (!isNvdecHevcDecoder && isDeinterlaceH264 || isDeinterlaceHevc)) @@ -2195,20 +2383,20 @@ namespace MediaBrowser.Controller.MediaEncoding } // When the input may or may not be hardware VAAPI decodable - if (isVaapiH264Encoder) + if (isVaapiH264Encoder || isVaapiHevcEncoder) { filters.Add("format=nv12|vaapi"); filters.Add("hwupload"); } // When burning in graphical subtitles using overlay_qsv, upload videostream to the same qsv context - else if (isLinux && hasGraphicalSubs && isQsvH264Encoder) + else if (isLinux && hasGraphicalSubs && (isQsvH264Encoder || isQsvHevcEncoder)) { filters.Add("hwupload=extra_hw_frames=64"); } // If we're hardware VAAPI decoding and software encoding, download frames from the decoder first - else if (IsVaapiSupported(state) && isVaapiDecoder && isLibX264Encoder) + else if (IsVaapiSupported(state) && isVaapiDecoder && (isLibX264Encoder || isLibX265Encoder)) { var codec = videoStream.Codec.ToLowerInvariant(); @@ -2250,7 +2438,9 @@ namespace MediaBrowser.Controller.MediaEncoding // Add software deinterlace filter before scaling filter if ((isDeinterlaceH264 || isDeinterlaceHevc) && !isVaapiH264Encoder + && !isVaapiHevcEncoder && !isQsvH264Encoder + && !isQsvHevcEncoder && !isNvdecH264Decoder) { if (string.Equals(options.DeinterlaceMethod, "bwdif", StringComparison.OrdinalIgnoreCase)) @@ -2289,7 +2479,7 @@ namespace MediaBrowser.Controller.MediaEncoding } // Add parameters to use VAAPI with burn-in text subtitles (GH issue #642) - if (isVaapiH264Encoder) + if (isVaapiH264Encoder || isVaapiHevcEncoder) { if (hasTextSubs) { @@ -2562,6 +2752,7 @@ namespace MediaBrowser.Controller.MediaEncoding public void AttachMediaSourceInfo( EncodingJobInfo state, + EncodingOptions encodingOptions, MediaSourceInfo mediaSource, string requestedUrl) { @@ -2692,11 +2883,23 @@ namespace MediaBrowser.Controller.MediaEncoding request.AudioCodec = state.SupportedAudioCodecs.FirstOrDefault(i => _mediaEncoder.CanEncodeToAudioCodec(i)) ?? state.SupportedAudioCodecs.FirstOrDefault(); } + + var supportedVideoCodecs = state.SupportedVideoCodecs; + if (request != null && supportedVideoCodecs != null && supportedVideoCodecs.Length > 0) + { + var supportedVideoCodecsList = supportedVideoCodecs.ToList(); + + ShiftVideoCodecsIfNeeded(supportedVideoCodecsList, encodingOptions); + + state.SupportedVideoCodecs = supportedVideoCodecsList.ToArray(); + + request.VideoCodec = state.SupportedVideoCodecs.FirstOrDefault(); + } } private void ShiftAudioCodecsIfNeeded(List<string> audioCodecs, MediaStream audioStream) { - // Nothing to do here + // No need to shift if there is only one supported audio codec. if (audioCodecs.Count < 2) { return; @@ -2724,6 +2927,34 @@ namespace MediaBrowser.Controller.MediaEncoding } } + private void ShiftVideoCodecsIfNeeded(List<string> videoCodecs, EncodingOptions encodingOptions) + { + // Shift hevc/h265 to the end of list if hevc encoding is not allowed. + if (encodingOptions.AllowHevcEncoding) + { + return; + } + + // No need to shift if there is only one supported video codec. + if (videoCodecs.Count < 2) + { + return; + } + + var shiftVideoCodecs = new[] { "hevc", "h265" }; + if (videoCodecs.All(i => shiftVideoCodecs.Contains(i, StringComparer.OrdinalIgnoreCase))) + { + return; + } + + while (shiftVideoCodecs.Contains(videoCodecs[0], StringComparer.OrdinalIgnoreCase)) + { + var removed = shiftVideoCodecs[0]; + videoCodecs.RemoveAt(0); + videoCodecs.Add(removed); + } + } + private void NormalizeSubtitleEmbed(EncodingJobInfo state) { if (state.SubtitleStream == null || state.SubtitleDeliveryMethod != SubtitleDeliveryMethod.Embed) @@ -3357,7 +3588,7 @@ namespace MediaBrowser.Controller.MediaEncoding args += " -ar " + state.OutputAudioSampleRate.Value.ToString(_usCulture); } - args += " " + GetAudioFilterParam(state, encodingOptions, false); + args += GetAudioFilterParam(state, encodingOptions, false); return args; } |