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| author | Nyanmisaka <nst799610810@gmail.com> | 2020-11-11 02:03:53 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-11 02:03:53 +0000 |
| commit | 0b01acbe9172872f2685b115c219efd98619b4bc (patch) | |
| tree | 6c548c79cfa4be92663be771e015e6b2b0e074f6 /MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | |
| parent | babb298b90f3c8d8025788d9c6c552fa92c09571 (diff) | |
Apply suggestions from code review
Co-authored-by: BaronGreenback <jimcartlidge@yahoo.co.uk>
Diffstat (limited to 'MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs')
| -rw-r--r-- | MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index 6e348f1e6..6255e1b61 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs @@ -662,10 +662,10 @@ namespace MediaBrowser.Controller.MediaEncoding 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 + // 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, + // MaxLumaSampleRate = 3840*2160*30 = 248832000 < 267386880. if (requestLevel >= 150) { return "150"; @@ -673,7 +673,7 @@ namespace MediaBrowser.Controller.MediaEncoding } 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 + // Clients may direct play higher than level 41, but there's no reason to transcode higher. if (requestLevel >= 41) { return "41"; @@ -843,7 +843,7 @@ namespace MediaBrowser.Controller.MediaEncoding else if (string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase) // h264 (h264_nvenc) || string.Equals(videoEncoder, "hevc_nvenc", StringComparison.OrdinalIgnoreCase)) // hevc (hevc_nvenc) { - // following preset will be deprecated in ffmpeg 4.4, use p1~p7 instead + // following preset will be deprecated in ffmpeg 4.4, use p1~p7 instead. switch (encodingOptions.EncoderPreset) { case "veryslow": @@ -976,7 +976,7 @@ namespace MediaBrowser.Controller.MediaEncoding var profile = state.GetRequestedProfiles(targetVideoCodec).FirstOrDefault(); profile = Regex.Replace(profile, @"\s+", String.Empty); - // only libx264 support encoding H264 High 10 Profile, otherwise force High Profile + // 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) @@ -985,7 +985,7 @@ namespace MediaBrowser.Controller.MediaEncoding } // h264_vaapi does not support Baseline profile, force Constrained Baseline in this case, - // which is compatible (and ugly) + // which is compatible (and ugly). if (string.Equals(videoEncoder, "h264_vaapi", StringComparison.OrdinalIgnoreCase) && profile != null && profile.IndexOf("baseline", StringComparison.OrdinalIgnoreCase) != -1) @@ -993,7 +993,7 @@ namespace MediaBrowser.Controller.MediaEncoding profile = "constrained_baseline"; } - // libx264, h264_qsv and h264_nvenc does not support Constrained Baseline profile, force Baseline in this case + // 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)) @@ -1003,7 +1003,7 @@ namespace MediaBrowser.Controller.MediaEncoding profile = "baseline"; } - // Currently hevc_amf only support encoding HEVC Main Profile, otherwise force Main Profile + // 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) @@ -1027,7 +1027,7 @@ namespace MediaBrowser.Controller.MediaEncoding { level = NormalizeTranscodingLevel(state, level); - // libx264, QSV, AMF, VAAPI can adjust the given level to match the output + // 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)) { @@ -1035,7 +1035,7 @@ namespace MediaBrowser.Controller.MediaEncoding } else if (string.Equals(videoEncoder, "hevc_qsv", StringComparison.OrdinalIgnoreCase)) { - // hevc_qsv use -level 51 instead of -level 153 + // hevc_qsv use -level 51 instead of -level 153. if (double.TryParse(level, NumberStyles.Any, _usCulture, out double hevcLevel)) { param += " -level " + hevcLevel / 3; @@ -1066,10 +1066,10 @@ namespace MediaBrowser.Controller.MediaEncoding if (string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase)) { - // 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 + // 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"; } |
