Merge pull request #3442 from nyanmisaka/tonemap

Tonemapping function relying on OpenCL filter and NVENC HEVC decoder

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

@@ -456,6 +456,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             var isVaapiEncoder = outputVideoCodec.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1;
             var isQsvDecoder = videoDecoder.IndexOf("qsv", StringComparison.OrdinalIgnoreCase) != -1;
             var isQsvEncoder = outputVideoCodec.IndexOf("qsv", StringComparison.OrdinalIgnoreCase) != -1;
+            var isNvencHevcDecoder = videoDecoder.IndexOf("hevc_cuvid", StringComparison.OrdinalIgnoreCase) != -1;
             var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
             var isLinux = RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
             var isMacOS = RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
@@ -515,6 +516,24 @@ namespace MediaBrowser.Controller.MediaEncoding
                     }
                 }
 
+                if (state.IsVideoRequest
+                    && string.Equals(encodingOptions.HardwareAccelerationType, "nvenc", StringComparison.OrdinalIgnoreCase))
+                {
+                    var isColorDepth10 = IsColorDepth10(state);
+
+                    if (isNvencHevcDecoder && isColorDepth10
+                        && _mediaEncoder.SupportsHwaccel("opencl")
+                        && encodingOptions.EnableTonemapping
+                        && !string.IsNullOrEmpty(state.VideoStream.VideoRange)
+                        && state.VideoStream.VideoRange.Contains("HDR", StringComparison.OrdinalIgnoreCase))
+                    {
+                        arg.Append("-init_hw_device opencl=ocl:")
+                            .Append(encodingOptions.OpenclDevice)
+                            .Append(' ')
+                            .Append("-filter_hw_device ocl ");
+                    }
+                }
+
                 if (state.IsVideoRequest
                     && string.Equals(encodingOptions.HardwareAccelerationType, "videotoolbox", StringComparison.OrdinalIgnoreCase))
                 {
@@ -1003,11 +1022,33 @@ namespace MediaBrowser.Controller.MediaEncoding
             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_v4l2m2m", StringComparison.OrdinalIgnoreCase))
             {
                 param = "-pix_fmt yuv420p " + param;
             }
 
+            if (string.Equals(videoEncoder, "h264_nvenc", StringComparison.OrdinalIgnoreCase))
+            {
+                var videoDecoder = GetHardwareAcceleratedVideoDecoder(state, encodingOptions) ?? string.Empty;
+                var videoStream = state.VideoStream;
+                var isColorDepth10 = IsColorDepth10(state);
+
+                if (videoDecoder.IndexOf("hevc_cuvid", StringComparison.OrdinalIgnoreCase) != -1
+                    && 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;
@@ -1611,64 +1652,45 @@ namespace MediaBrowser.Controller.MediaEncoding
             var outputSizeParam = ReadOnlySpan<char>.Empty;
             var request = state.BaseRequest;
 
-            // Add resolution params, if specified
-            if (request.Width.HasValue
-                || request.Height.HasValue
-                || request.MaxHeight.HasValue
-                || request.MaxWidth.HasValue)
-            {
             outputSizeParam = GetOutputSizeParam(state, options, outputVideoCodec).TrimEnd('"');
 
-                // hwupload=extra_hw_frames=64,vpp_qsv (for overlay_qsv on linux)
+            // All possible beginning of video filters
-                var index = outputSizeParam.IndexOf("hwupload=extra_hw_frames", StringComparison.OrdinalIgnoreCase);
+            // Don't break the order
-                if (index != -1)
+            string[] beginOfOutputSizeParam = new[]
-                {
-                    outputSizeParam = outputSizeParam.Slice(index);
-                }
-                else
             {
+                // for tonemap_opencl
+                "hwupload,tonemap_opencl",
+
+                // hwupload=extra_hw_frames=64,vpp_qsv (for overlay_qsv on linux)
+                "hwupload=extra_hw_frames",
+
                 // vpp_qsv
-                    index = outputSizeParam.IndexOf("vpp", StringComparison.OrdinalIgnoreCase);
+                "vpp",
-                    if (index != -1)
+
-                    {
-                        outputSizeParam = outputSizeParam.Slice(index);
-                    }
-                    else
-                    {
                 // hwdownload,format=p010le (hardware decode + software encode for vaapi)
-                        index = outputSizeParam.IndexOf("hwdownload", StringComparison.OrdinalIgnoreCase);
+                "hwdownload",
-                        if (index != -1)
+
-                        {
-                            outputSizeParam = outputSizeParam.Slice(index);
-                        }
-                        else
-                        {
                 // format=nv12|vaapi,hwupload,scale_vaapi
-                            index = outputSizeParam.IndexOf("format", StringComparison.OrdinalIgnoreCase);
+                "format",
-                            if (index != -1)
+
-                            {
+                // bwdif,scale=expr
-                                outputSizeParam = outputSizeParam.Slice(index);
+                "bwdif",
-                            }
+
-                            else
-                            {
                 // yadif,scale=expr
-                                index = outputSizeParam.IndexOf("yadif", StringComparison.OrdinalIgnoreCase);
+                "yadif",
-                                if (index != -1)
+
-                                {
-                                    outputSizeParam = outputSizeParam.Slice(index);
-                                }
-                                else
-                                {
                 // scale=expr
-                                    index = outputSizeParam.IndexOf("scale", StringComparison.OrdinalIgnoreCase);
+                "scale"
+            };
+
+            var index = -1;
+            foreach (var param in beginOfOutputSizeParam)
+            {
+                index = outputSizeParam.IndexOf(param, StringComparison.OrdinalIgnoreCase);
                 if (index != -1)
                 {
                     outputSizeParam = outputSizeParam.Slice(index);
-                                    }
+                    break;
-                                }
-                            }
-                        }
-                    }
                 }
             }
 
@@ -1747,9 +1769,9 @@ namespace MediaBrowser.Controller.MediaEncoding
                 */
                 if (isLinux)
                 {
-                    retStr = !outputSizeParam.IsEmpty ?
+                    retStr = !outputSizeParam.IsEmpty
-                        " -filter_complex \"[{0}:{1}]{4}[sub];[0:{2}]{3}[base];[base][sub]overlay_qsv\"" :
+                        ? " -filter_complex \"[{0}:{1}]{4}[sub];[0:{2}]{3}[base];[base][sub]overlay_qsv\""
-                        " -filter_complex \"[{0}:{1}]{4}[sub];[0:{2}][sub]overlay_qsv\"";
+                        : " -filter_complex \"[{0}:{1}]{4}[sub];[0:{2}][sub]overlay_qsv\"";
                 }
             }
 
@@ -2084,8 +2106,10 @@ namespace MediaBrowser.Controller.MediaEncoding
             var isVaapiH264Encoder = outputVideoCodec.IndexOf("h264_vaapi", StringComparison.OrdinalIgnoreCase) != -1;
             var isQsvH264Encoder = outputVideoCodec.IndexOf("h264_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 isLinux = RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
+            var isColorDepth10 = IsColorDepth10(state);
 
             var hasTextSubs = state.SubtitleStream != null && state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode;
             var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode;
@@ -2093,6 +2117,50 @@ namespace MediaBrowser.Controller.MediaEncoding
             // If double rate deinterlacing is enabled and the input framerate is 30fps or below, otherwise the output framerate will be too high for many devices
             var doubleRateDeinterlace = options.DeinterlaceDoubleRate && (videoStream?.RealFrameRate ?? 60) <= 30;
 
+            // Currently only with the use of NVENC decoder can we get a decent performance.
+            // Currently only the HEVC/H265 format is supported.
+            // NVIDIA Pascal and Turing or higher are recommended.
+            if (isNvdecHevcDecoder && isColorDepth10
+                && _mediaEncoder.SupportsHwaccel("opencl")
+                && options.EnableTonemapping
+                && !string.IsNullOrEmpty(videoStream.VideoRange)
+                && videoStream.VideoRange.Contains("HDR", StringComparison.OrdinalIgnoreCase))
+            {
+                var parameters = "tonemap_opencl=format=nv12:primaries=bt709:transfer=bt709:matrix=bt709:tonemap={0}:desat={1}:threshold={2}:peak={3}";
+
+                if (options.TonemappingParam != 0)
+                {
+                    parameters += ":param={4}";
+                }
+
+                if (!string.Equals(options.TonemappingRange, "auto", StringComparison.OrdinalIgnoreCase))
+                {
+                    parameters += ":range={5}";
+                }
+
+                // Upload the HDR10 or HLG data to the OpenCL device,
+                // use tonemap_opencl filter for tone mapping,
+                // and then download the SDR data to memory.
+                filters.Add("hwupload");
+                filters.Add(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        parameters,
+                        options.TonemappingAlgorithm,
+                        options.TonemappingDesat,
+                        options.TonemappingThreshold,
+                        options.TonemappingPeak,
+                        options.TonemappingParam,
+                        options.TonemappingRange));
+                filters.Add("hwdownload");
+
+                if (hasGraphicalSubs || state.DeInterlace("h265", true) || state.DeInterlace("hevc", true)
+                    || string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase))
+                {
+                    filters.Add("format=nv12");
+                }
+            }
+
             // When the input may or may not be hardware VAAPI decodable
             if (isVaapiH264Encoder)
             {
@@ -2110,7 +2178,6 @@ namespace MediaBrowser.Controller.MediaEncoding
             else if (IsVaapiSupported(state) && isVaapiDecoder && isLibX264Encoder)
             {
                 var codec = videoStream.Codec.ToLowerInvariant();
-                var isColorDepth10 = IsColorDepth10(state);
 
                 // Assert 10-bit hardware VAAPI decodable
                 if (isColorDepth10 && (string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase)

MediaBrowser.MediaEncoding/Probing/MediaStreamInfo.cs

@@ -282,6 +282,20 @@ namespace MediaBrowser.MediaEncoding.Probing
         [JsonPropertyName("disposition")]
         public IReadOnlyDictionary<string, int> Disposition { get; set; }
 
+        /// <summary>
+        /// Gets or sets the color range.
+        /// </summary>
+        /// <value>The color range.</value>
+        [JsonPropertyName("color_range")]
+        public string ColorRange { get; set; }
+
+        /// <summary>
+        /// Gets or sets the color space.
+        /// </summary>
+        /// <value>The color space.</value>
+        [JsonPropertyName("color_space")]
+        public string ColorSpace { get; set; }
+
         /// <summary>
         /// Gets or sets the color transfer.
         /// </summary>

MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs

@@ -714,6 +714,16 @@ namespace MediaBrowser.MediaEncoding.Probing
                     stream.RefFrames = streamInfo.Refs;
                 }
 
+                if (!string.IsNullOrEmpty(streamInfo.ColorRange))
+                {
+                    stream.ColorRange = streamInfo.ColorRange;
+                }
+
+                if (!string.IsNullOrEmpty(streamInfo.ColorSpace))
+                {
+                    stream.ColorSpace = streamInfo.ColorSpace;
+                }
+
                 if (!string.IsNullOrEmpty(streamInfo.ColorTransfer))
                 {
                     stream.ColorTransfer = streamInfo.ColorTransfer;

MediaBrowser.Model/Configuration/EncodingOptions.cs

@@ -31,6 +31,22 @@ namespace MediaBrowser.Model.Configuration
 
         public string VaapiDevice { get; set; }
 
+        public string OpenclDevice { get; set; }
+
+        public bool EnableTonemapping { get; set; }
+
+        public string TonemappingAlgorithm { get; set; }
+
+        public string TonemappingRange { get; set; }
+
+        public double TonemappingDesat { get; set; }
+
+        public double TonemappingThreshold { get; set; }
+
+        public double TonemappingPeak { get; set; }
+
+        public double TonemappingParam { get; set; }
+
         public int H264Crf { get; set; }
 
         public int H265Crf { get; set; }
@@ -58,8 +74,19 @@ namespace MediaBrowser.Model.Configuration
             EnableThrottling = false;
             ThrottleDelaySeconds = 180;
             EncodingThreadCount = -1;
-            // This is a DRM device that is almost guaranteed to be there on every intel platform, plus it's the default one in ffmpeg if you don't specify anything
+            // This is a DRM device that is almost guaranteed to be there on every intel platform,
+            // plus it's the default one in ffmpeg if you don't specify anything
             VaapiDevice = "/dev/dri/renderD128";
+            // This is the OpenCL device that is used for tonemapping.
+            // The left side of the dot is the platform number, and the right side is the device number on the platform.
+            OpenclDevice = "0.0";
+            EnableTonemapping = false;
+            TonemappingAlgorithm = "reinhard";
+            TonemappingRange = "auto";
+            TonemappingDesat = 0;
+            TonemappingThreshold = 0.8;
+            TonemappingPeak = 0;
+            TonemappingParam = 0;
             H264Crf = 23;
             H265Crf = 28;
             DeinterlaceDoubleRate = false;

MediaBrowser.Model/Entities/MediaStream.cs

@@ -35,6 +35,18 @@ namespace MediaBrowser.Model.Entities
         /// <value>The language.</value>
         public string Language { get; set; }
 
+        /// <summary>
+        /// Gets or sets the color range.
+        /// </summary>
+        /// <value>The color range.</value>
+        public string ColorRange { get; set; }
+
+        /// <summary>
+        /// Gets or sets the color space.
+        /// </summary>
+        /// <value>The color space.</value>
+        public string ColorSpace { get; set; }
+
         /// <summary>
         /// Gets or sets the color transfer.
         /// </summary>
@@ -47,12 +59,6 @@ namespace MediaBrowser.Model.Entities
         /// <value>The color primaries.</value>
         public string ColorPrimaries { get; set; }
 
-        /// <summary>
-        /// Gets or sets the color space.
-        /// </summary>
-        /// <value>The color space.</value>
-        public string ColorSpace { get; set; }
-
         /// <summary>
         /// Gets or sets the comment.
         /// </summary>