diff options
Diffstat (limited to 'MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs')
| -rw-r--r-- | MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | 227 |
1 files changed, 160 insertions, 67 deletions
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index b181a6ee6..a2e3318f3 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs @@ -580,7 +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; @@ -588,7 +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; @@ -596,14 +596,14 @@ namespace MediaBrowser.Controller.MediaEncoding || codec.IndexOf("hevc", StringComparison.OrdinalIgnoreCase) != -1; } - public bool IsAAC(MediaStream stream) + public static bool IsAAC(MediaStream stream) { var codec = stream.Codec ?? string.Empty; return codec.IndexOf("aac", StringComparison.OrdinalIgnoreCase) != -1; } - public string GetBitStreamArgs(MediaStream stream) + 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 @@ -626,6 +626,33 @@ namespace MediaBrowser.Controller.MediaEncoding } } + 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; @@ -799,6 +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> @@ -806,6 +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); @@ -814,11 +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; @@ -849,11 +983,11 @@ namespace MediaBrowser.Controller.MediaEncoding 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"; @@ -866,16 +1000,16 @@ namespace MediaBrowser.Controller.MediaEncoding { 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": @@ -883,11 +1017,11 @@ 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; } } @@ -899,11 +1033,11 @@ namespace MediaBrowser.Controller.MediaEncoding case "veryslow": case "slow": case "slower": - param += "-quality quality"; + param += " -quality quality"; break; case "medium": - param += "-quality balanced"; + param += " -quality balanced"; break; case "fast": @@ -911,11 +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; } @@ -957,7 +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, @@ -965,15 +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); @@ -1035,7 +1169,7 @@ namespace MediaBrowser.Controller.MediaEncoding && !string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase)) { // not supported by h264_omx - param += " -profile:v " + profile; + param += " -profile:v:0 " + profile; } } @@ -1091,47 +1225,6 @@ namespace MediaBrowser.Controller.MediaEncoding param += " -x265-params:0 no-info=1"; } - 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 " + param; - } - - 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 " + param; - } - else - { - param = "-pix_fmt yuv420p " + param; - } - } - - if (string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase)) - { - param = "-pix_fmt nv21 " + param; - } - return param; } @@ -1521,7 +1614,7 @@ namespace MediaBrowser.Controller.MediaEncoding if (filters.Count > 0) { - return "-af \"" + string.Join(",", filters) + "\""; + return " -af \"" + string.Join(",", filters) + "\""; } return string.Empty; @@ -3378,7 +3471,7 @@ namespace MediaBrowser.Controller.MediaEncoding if (state.RunTimeTicks.HasValue && state.BaseRequest.CopyTimestamps) { - args += " -copyts -avoid_negative_ts 0 -start_at_zero"; + args += " -copyts -avoid_negative_ts disabled -start_at_zero"; } if (!state.RunTimeTicks.HasValue) @@ -3426,7 +3519,7 @@ namespace MediaBrowser.Controller.MediaEncoding args += " -copyts"; } - args += " -avoid_negative_ts 0"; + args += " -avoid_negative_ts disabled"; if (!(state.SubtitleStream != null && state.SubtitleStream.IsExternal && !state.SubtitleStream.IsTextSubtitleStream)) { @@ -3490,7 +3583,7 @@ namespace MediaBrowser.Controller.MediaEncoding args += " -ar " + state.OutputAudioSampleRate.Value.ToString(_usCulture); } - args += " " + GetAudioFilterParam(state, encodingOptions, false); + args += GetAudioFilterParam(state, encodingOptions, false); return args; } |