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EncodingHelper.cs
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EncodingHelper.cs
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#nullable disable
#pragma warning disable CS1591
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using Jellyfin.Data.Enums;
using Jellyfin.Extensions;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Extensions;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.MediaInfo;
using Microsoft.Extensions.Configuration;
using IConfigurationManager = MediaBrowser.Common.Configuration.IConfigurationManager;
namespace MediaBrowser.Controller.MediaEncoding
{
public partial class EncodingHelper
{
private const string QsvAlias = "qs";
private const string VaapiAlias = "va";
private const string D3d11vaAlias = "dx11";
private const string VideotoolboxAlias = "vt";
private const string RkmppAlias = "rk";
private const string OpenclAlias = "ocl";
private const string CudaAlias = "cu";
private const string DrmAlias = "dr";
private const string VulkanAlias = "vk";
private readonly IApplicationPaths _appPaths;
private readonly IMediaEncoder _mediaEncoder;
private readonly ISubtitleEncoder _subtitleEncoder;
private readonly IConfiguration _config;
private readonly IConfigurationManager _configurationManager;
// i915 hang was fixed by linux 6.2 (3f882f2)
private readonly Version _minKerneli915Hang = new Version(5, 18);
private readonly Version _maxKerneli915Hang = new Version(6, 1, 3);
private readonly Version _minFixedKernel60i915Hang = new Version(6, 0, 18);
private readonly Version _minFFmpegImplicitHwaccel = new Version(6, 0);
private readonly Version _minFFmpegHwaUnsafeOutput = new Version(6, 0);
private readonly Version _minFFmpegOclCuTonemapMode = new Version(5, 1, 3);
private readonly Version _minFFmpegSvtAv1Params = new Version(5, 1);
private readonly Version _minFFmpegVaapiH26xEncA53CcSei = new Version(6, 0);
private static readonly string[] _videoProfilesH264 = new[]
{
"ConstrainedBaseline",
"Baseline",
"Extended",
"Main",
"High",
"ProgressiveHigh",
"ConstrainedHigh",
"High10"
};
private static readonly string[] _videoProfilesH265 = new[]
{
"Main",
"Main10"
};
private static readonly string[] _videoProfilesAv1 = new[]
{
"Main",
"High",
"Professional",
};
private static readonly HashSet<string> _mp4ContainerNames = new(StringComparer.OrdinalIgnoreCase)
{
"mp4",
"m4a",
"m4p",
"m4b",
"m4r",
"m4v",
};
// Set max transcoding channels for encoders that can't handle more than a set amount of channels
// AAC, FLAC, ALAC, libopus, libvorbis encoders all support at least 8 channels
private static readonly Dictionary<string, int> _audioTranscodeChannelLookup = new(StringComparer.OrdinalIgnoreCase)
{
{ "wmav2", 2 },
{ "libmp3lame", 2 },
{ "libfdk_aac", 6 },
{ "aac_at", 6 },
{ "ac3", 6 },
{ "eac3", 6 },
{ "dca", 6 },
{ "mlp", 6 },
{ "truehd", 6 },
};
private static readonly string _defaultMjpegEncoder = "mjpeg";
private static readonly Dictionary<string, string> _mjpegCodecMap = new(StringComparer.OrdinalIgnoreCase)
{
{ "vaapi", _defaultMjpegEncoder + "_vaapi" },
{ "qsv", _defaultMjpegEncoder + "_qsv" }
};
public static readonly string[] LosslessAudioCodecs = new string[]
{
"alac",
"ape",
"flac",
"mlp",
"truehd",
"wavpack"
};
public EncodingHelper(
IApplicationPaths appPaths,
IMediaEncoder mediaEncoder,
ISubtitleEncoder subtitleEncoder,
IConfiguration config,
IConfigurationManager configurationManager)
{
_appPaths = appPaths;
_mediaEncoder = mediaEncoder;
_subtitleEncoder = subtitleEncoder;
_config = config;
_configurationManager = configurationManager;
}
[GeneratedRegex(@"\s+")]
private static partial Regex WhiteSpaceRegex();
public string GetH264Encoder(EncodingJobInfo state, EncodingOptions encodingOptions)
=> GetH26xOrAv1Encoder("libx264", "h264", state, encodingOptions);
public string GetH265Encoder(EncodingJobInfo state, EncodingOptions encodingOptions)
=> GetH26xOrAv1Encoder("libx265", "hevc", state, encodingOptions);
public string GetAv1Encoder(EncodingJobInfo state, EncodingOptions encodingOptions)
=> GetH26xOrAv1Encoder("libsvtav1", "av1", state, encodingOptions);
private string GetH26xOrAv1Encoder(string defaultEncoder, string hwEncoder, EncodingJobInfo state, EncodingOptions encodingOptions)
{
// 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 experimental anyway, it's not worth adding additional variables such as this.
if (state.VideoType == VideoType.VideoFile)
{
var hwType = encodingOptions.HardwareAccelerationType;
var codecMap = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "amf", hwEncoder + "_amf" },
{ "nvenc", hwEncoder + "_nvenc" },
{ "qsv", hwEncoder + "_qsv" },
{ "vaapi", hwEncoder + "_vaapi" },
{ "videotoolbox", hwEncoder + "_videotoolbox" },
{ "v4l2m2m", hwEncoder + "_v4l2m2m" },
{ "rkmpp", hwEncoder + "_rkmpp" },
};
if (!string.IsNullOrEmpty(hwType)
&& encodingOptions.EnableHardwareEncoding
&& codecMap.TryGetValue(hwType, out var preferredEncoder)
&& _mediaEncoder.SupportsEncoder(preferredEncoder))
{
return preferredEncoder;
}
}
return defaultEncoder;
}
private string GetMjpegEncoder(EncodingJobInfo state, EncodingOptions encodingOptions)
{
if (state.VideoType == VideoType.VideoFile)
{
var hwType = encodingOptions.HardwareAccelerationType;
if (!string.IsNullOrEmpty(hwType)
&& encodingOptions.EnableHardwareEncoding
&& _mjpegCodecMap.TryGetValue(hwType, out var preferredEncoder)
&& _mediaEncoder.SupportsEncoder(preferredEncoder))
{
return preferredEncoder;
}
}
return _defaultMjpegEncoder;
}
private bool IsVaapiSupported(EncodingJobInfo state)
{
// vaapi will throw an error with this input
// [vaapi @ 0x7faed8000960] No VAAPI support for codec mpeg4 profile -99.
if (string.Equals(state.VideoStream?.Codec, "mpeg4", StringComparison.OrdinalIgnoreCase))
{
return false;
}
return _mediaEncoder.SupportsHwaccel("vaapi");
}
private bool IsVaapiFullSupported()
{
return _mediaEncoder.SupportsHwaccel("drm")
&& _mediaEncoder.SupportsHwaccel("vaapi")
&& _mediaEncoder.SupportsFilter("scale_vaapi")
&& _mediaEncoder.SupportsFilter("deinterlace_vaapi")
&& _mediaEncoder.SupportsFilter("tonemap_vaapi")
&& _mediaEncoder.SupportsFilter("procamp_vaapi")
&& _mediaEncoder.SupportsFilterWithOption(FilterOptionType.OverlayVaapiFrameSync)
&& _mediaEncoder.SupportsFilter("hwupload_vaapi");
}
private bool IsRkmppFullSupported()
{
return _mediaEncoder.SupportsHwaccel("rkmpp")
&& _mediaEncoder.SupportsFilter("scale_rkrga")
&& _mediaEncoder.SupportsFilter("vpp_rkrga")
&& _mediaEncoder.SupportsFilter("overlay_rkrga");
}
private bool IsOpenclFullSupported()
{
return _mediaEncoder.SupportsHwaccel("opencl")
&& _mediaEncoder.SupportsFilter("scale_opencl")
&& _mediaEncoder.SupportsFilterWithOption(FilterOptionType.TonemapOpenclBt2390)
&& _mediaEncoder.SupportsFilterWithOption(FilterOptionType.OverlayOpenclFrameSync);
}
private bool IsCudaFullSupported()
{
return _mediaEncoder.SupportsHwaccel("cuda")
&& _mediaEncoder.SupportsFilterWithOption(FilterOptionType.ScaleCudaFormat)
&& _mediaEncoder.SupportsFilter("yadif_cuda")
&& _mediaEncoder.SupportsFilterWithOption(FilterOptionType.TonemapCudaName)
&& _mediaEncoder.SupportsFilter("overlay_cuda")
&& _mediaEncoder.SupportsFilter("hwupload_cuda");
}
private bool IsVulkanFullSupported()
{
return _mediaEncoder.SupportsHwaccel("vulkan")
&& _mediaEncoder.SupportsFilter("libplacebo")
&& _mediaEncoder.SupportsFilter("scale_vulkan")
&& _mediaEncoder.SupportsFilterWithOption(FilterOptionType.OverlayVulkanFrameSync);
}
private bool IsHwTonemapAvailable(EncodingJobInfo state, EncodingOptions options)
{
if (state.VideoStream is null
|| !options.EnableTonemapping
|| GetVideoColorBitDepth(state) != 10)
{
return false;
}
if (string.Equals(state.VideoStream.Codec, "hevc", StringComparison.OrdinalIgnoreCase)
&& state.VideoStream.VideoRange == VideoRange.HDR
&& state.VideoStream.VideoRangeType == VideoRangeType.DOVI)
{
// Only native SW decoder and HW accelerator can parse dovi rpu.
var vidDecoder = GetHardwareVideoDecoder(state, options) ?? string.Empty;
var isSwDecoder = string.IsNullOrEmpty(vidDecoder);
var isNvdecDecoder = vidDecoder.Contains("cuda", StringComparison.OrdinalIgnoreCase);
var isVaapiDecoder = vidDecoder.Contains("vaapi", StringComparison.OrdinalIgnoreCase);
var isD3d11vaDecoder = vidDecoder.Contains("d3d11va", StringComparison.OrdinalIgnoreCase);
return isSwDecoder || isNvdecDecoder || isVaapiDecoder || isD3d11vaDecoder;
}
return state.VideoStream.VideoRange == VideoRange.HDR
&& (state.VideoStream.VideoRangeType == VideoRangeType.HDR10
|| state.VideoStream.VideoRangeType == VideoRangeType.HLG);
}
private bool IsVulkanHwTonemapAvailable(EncodingJobInfo state, EncodingOptions options)
{
if (state.VideoStream is null)
{
return false;
}
// libplacebo has partial Dolby Vision to SDR tonemapping support.
return options.EnableTonemapping
&& state.VideoStream.VideoRange == VideoRange.HDR
&& GetVideoColorBitDepth(state) == 10;
}
private bool IsVaapiVppTonemapAvailable(EncodingJobInfo state, EncodingOptions options)
{
if (state.VideoStream is null
|| !options.EnableVppTonemapping
|| GetVideoColorBitDepth(state) != 10)
{
return false;
}
// Native VPP tonemapping may come to QSV in the future.
return state.VideoStream.VideoRange == VideoRange.HDR
&& state.VideoStream.VideoRangeType == VideoRangeType.HDR10;
}
/// <summary>
/// Gets the name of the output video codec.
/// </summary>
/// <param name="state">Encoding state.</param>
/// <param name="encodingOptions">Encoding options.</param>
/// <returns>Encoder string.</returns>
public string GetVideoEncoder(EncodingJobInfo state, EncodingOptions encodingOptions)
{
var codec = state.OutputVideoCodec;
if (!string.IsNullOrEmpty(codec))
{
if (string.Equals(codec, "av1", StringComparison.OrdinalIgnoreCase))
{
return GetAv1Encoder(state, encodingOptions);
}
if (string.Equals(codec, "h265", StringComparison.OrdinalIgnoreCase)
|| string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase))
{
return GetH265Encoder(state, encodingOptions);
}
if (string.Equals(codec, "h264", StringComparison.OrdinalIgnoreCase))
{
return GetH264Encoder(state, encodingOptions);
}
if (string.Equals(codec, "mjpeg", StringComparison.OrdinalIgnoreCase))
{
return GetMjpegEncoder(state, encodingOptions);
}
if (string.Equals(codec, "vp8", StringComparison.OrdinalIgnoreCase)
|| string.Equals(codec, "vpx", StringComparison.OrdinalIgnoreCase))
{
return "libvpx";
}
if (string.Equals(codec, "vp9", StringComparison.OrdinalIgnoreCase))
{
return "libvpx-vp9";
}
if (string.Equals(codec, "wmv", StringComparison.OrdinalIgnoreCase))
{
return "wmv2";
}
if (string.Equals(codec, "theora", StringComparison.OrdinalIgnoreCase))
{
return "libtheora";
}
return codec.ToLowerInvariant();
}
return "copy";
}
/// <summary>
/// Gets the user agent param.
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
public string GetUserAgentParam(EncodingJobInfo state)
{
if (state.RemoteHttpHeaders.TryGetValue("User-Agent", out string useragent))
{
return "-user_agent \"" + useragent + "\"";
}
return string.Empty;
}
/// <summary>
/// Gets the referer param.
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
public string GetRefererParam(EncodingJobInfo state)
{
if (state.RemoteHttpHeaders.TryGetValue("Referer", out string referer))
{
return "-referer \"" + referer + "\"";
}
return string.Empty;
}
public static string GetInputFormat(string container)
{
if (string.IsNullOrEmpty(container))
{
return null;
}
container = container.Replace("mkv", "matroska", StringComparison.OrdinalIgnoreCase);
if (string.Equals(container, "ts", StringComparison.OrdinalIgnoreCase))
{
return "mpegts";
}
// For these need to find out the ffmpeg names
if (string.Equals(container, "m2ts", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "wmv", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "mts", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "vob", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "mpg", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "mpeg", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "rec", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "dvr-ms", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "ogm", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "divx", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "tp", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "rmvb", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(container, "rtp", StringComparison.OrdinalIgnoreCase))
{
return null;
}
// Seeing reported failures here, not sure yet if this is related to specifying input format
if (string.Equals(container, "m4v", StringComparison.OrdinalIgnoreCase))
{
return null;
}
// obviously don't do this for strm files
if (string.Equals(container, "strm", StringComparison.OrdinalIgnoreCase))
{
return null;
}
// ISO files don't have an ffmpeg format
if (string.Equals(container, "iso", StringComparison.OrdinalIgnoreCase))
{
return null;
}
return container;
}
/// <summary>
/// Gets decoder from a codec.
/// </summary>
/// <param name="codec">Codec to use.</param>
/// <returns>Decoder string.</returns>
public string GetDecoderFromCodec(string codec)
{
// For these need to find out the ffmpeg names
if (string.Equals(codec, "mp2", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(codec, "aac_latm", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (string.Equals(codec, "eac3", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (_mediaEncoder.SupportsDecoder(codec))
{
return codec;
}
return null;
}
/// <summary>
/// Infers the audio codec based on the url.
/// </summary>
/// <param name="container">Container to use.</param>
/// <returns>Codec string.</returns>
public string InferAudioCodec(string container)
{
var ext = "." + (container ?? string.Empty);
if (string.Equals(ext, ".mp3", StringComparison.OrdinalIgnoreCase))
{
return "mp3";
}
if (string.Equals(ext, ".aac", StringComparison.OrdinalIgnoreCase))
{
return "aac";
}
if (string.Equals(ext, ".wma", StringComparison.OrdinalIgnoreCase))
{
return "wma";
}
if (string.Equals(ext, ".ogg", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(ext, ".oga", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(ext, ".ogv", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(ext, ".webm", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(ext, ".webma", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
return "copy";
}
/// <summary>
/// Infers the video codec.
/// </summary>
/// <param name="url">The URL.</param>
/// <returns>System.Nullable{VideoCodecs}.</returns>
public string InferVideoCodec(string url)
{
var ext = Path.GetExtension(url.AsSpan());
if (ext.Equals(".asf", StringComparison.OrdinalIgnoreCase))
{
return "wmv";
}
if (ext.Equals(".webm", StringComparison.OrdinalIgnoreCase))
{
// TODO: this may not always mean VP8, as the codec ages
return "vp8";
}
if (ext.Equals(".ogg", StringComparison.OrdinalIgnoreCase) || ext.Equals(".ogv", StringComparison.OrdinalIgnoreCase))
{
return "theora";
}
if (ext.Equals(".m3u8", StringComparison.OrdinalIgnoreCase) || ext.Equals(".ts", StringComparison.OrdinalIgnoreCase))
{
return "h264";
}
return "copy";
}
public int GetVideoProfileScore(string videoCodec, string videoProfile)
{
// strip spaces because they may be stripped out on the query string
string profile = videoProfile.Replace(" ", string.Empty, StringComparison.Ordinal);
if (string.Equals("h264", videoCodec, StringComparison.OrdinalIgnoreCase))
{
return Array.FindIndex(_videoProfilesH264, x => string.Equals(x, profile, StringComparison.OrdinalIgnoreCase));
}
if (string.Equals("hevc", videoCodec, StringComparison.OrdinalIgnoreCase))
{
return Array.FindIndex(_videoProfilesH265, x => string.Equals(x, profile, StringComparison.OrdinalIgnoreCase));
}
if (string.Equals("av1", videoCodec, StringComparison.OrdinalIgnoreCase))
{
return Array.FindIndex(_videoProfilesAv1, x => string.Equals(x, profile, StringComparison.OrdinalIgnoreCase));
}
return -1;
}
public string GetInputPathArgument(EncodingJobInfo state)
{
return state.MediaSource.VideoType switch
{
VideoType.Dvd => _mediaEncoder.GetInputArgument(_mediaEncoder.GetPrimaryPlaylistVobFiles(state.MediaPath, null).ToList(), state.MediaSource),
VideoType.BluRay => _mediaEncoder.GetInputArgument(_mediaEncoder.GetPrimaryPlaylistM2tsFiles(state.MediaPath).ToList(), state.MediaSource),
_ => _mediaEncoder.GetInputArgument(state.MediaPath, state.MediaSource)
};
}
/// <summary>
/// Gets the audio encoder.
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
public string GetAudioEncoder(EncodingJobInfo state)
{
var codec = state.OutputAudioCodec;
if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase))
{
// Use Apple's aac encoder if available as it provides best audio quality
if (_mediaEncoder.SupportsEncoder("aac_at"))
{
return "aac_at";
}
// Use libfdk_aac for better audio quality if using custom build of FFmpeg which has fdk_aac support
if (_mediaEncoder.SupportsEncoder("libfdk_aac"))
{
return "libfdk_aac";
}
return "aac";
}
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";
}
if (string.Equals(codec, "opus", StringComparison.OrdinalIgnoreCase))
{
return "libopus";
}
if (string.Equals(codec, "flac", StringComparison.OrdinalIgnoreCase))
{
return "flac";
}
if (string.Equals(codec, "dts", StringComparison.OrdinalIgnoreCase))
{
return "dca";
}
return codec.ToLowerInvariant();
}
private string GetRkmppDeviceArgs(string alias)
{
alias ??= RkmppAlias;
// device selection in rk is not supported.
return " -init_hw_device rkmpp=" + alias;
}
private string GetVideoToolboxDeviceArgs(string alias)
{
alias ??= VideotoolboxAlias;
// device selection in vt is not supported.
return " -init_hw_device videotoolbox=" + alias;
}
private string GetCudaDeviceArgs(int deviceIndex, string alias)
{
alias ??= CudaAlias;
deviceIndex = deviceIndex >= 0
? deviceIndex
: 0;
return string.Format(
CultureInfo.InvariantCulture,
" -init_hw_device cuda={0}:{1}",
alias,
deviceIndex);
}
private string GetVulkanDeviceArgs(int deviceIndex, string deviceName, string srcDeviceAlias, string alias)
{
alias ??= VulkanAlias;
deviceIndex = deviceIndex >= 0
? deviceIndex
: 0;
var vendorOpts = string.IsNullOrEmpty(deviceName)
? ":" + deviceIndex
: ":" + "\"" + deviceName + "\"";
var options = string.IsNullOrEmpty(srcDeviceAlias)
? vendorOpts
: "@" + srcDeviceAlias;
return string.Format(
CultureInfo.InvariantCulture,
" -init_hw_device vulkan={0}{1}",
alias,
options);
}
private string GetOpenclDeviceArgs(int deviceIndex, string deviceVendorName, string srcDeviceAlias, string alias)
{
alias ??= OpenclAlias;
deviceIndex = deviceIndex >= 0
? deviceIndex
: 0;
var vendorOpts = string.IsNullOrEmpty(deviceVendorName)
? ":0.0"
: ":." + deviceIndex + ",device_vendor=\"" + deviceVendorName + "\"";
var options = string.IsNullOrEmpty(srcDeviceAlias)
? vendorOpts
: "@" + srcDeviceAlias;
return string.Format(
CultureInfo.InvariantCulture,
" -init_hw_device opencl={0}{1}",
alias,
options);
}
private string GetD3d11vaDeviceArgs(int deviceIndex, string deviceVendorId, string alias)
{
alias ??= D3d11vaAlias;
deviceIndex = deviceIndex >= 0 ? deviceIndex : 0;
var options = string.IsNullOrEmpty(deviceVendorId)
? deviceIndex.ToString(CultureInfo.InvariantCulture)
: ",vendor=" + deviceVendorId;
return string.Format(
CultureInfo.InvariantCulture,
" -init_hw_device d3d11va={0}:{1}",
alias,
options);
}
private string GetVaapiDeviceArgs(string renderNodePath, string driver, string kernelDriver, string srcDeviceAlias, string alias)
{
alias ??= VaapiAlias;
// 'renderNodePath' has higher priority than 'kernelDriver'
var driverOpts = string.IsNullOrEmpty(renderNodePath)
? (string.IsNullOrEmpty(kernelDriver) ? string.Empty : ",kernel_driver=" + kernelDriver)
: renderNodePath;
// 'driver' behaves similarly to env LIBVA_DRIVER_NAME
driverOpts += string.IsNullOrEmpty(driver) ? string.Empty : ",driver=" + driver;
var options = string.IsNullOrEmpty(srcDeviceAlias)
? (string.IsNullOrEmpty(driverOpts) ? string.Empty : ":" + driverOpts)
: "@" + srcDeviceAlias;
return string.Format(
CultureInfo.InvariantCulture,
" -init_hw_device vaapi={0}{1}",
alias,
options);
}
private string GetDrmDeviceArgs(string renderNodePath, string alias)
{
alias ??= DrmAlias;
renderNodePath = renderNodePath ?? "/dev/dri/renderD128";
return string.Format(
CultureInfo.InvariantCulture,
" -init_hw_device drm={0}:{1}",
alias,
renderNodePath);
}
private string GetQsvDeviceArgs(string alias)
{
var arg = " -init_hw_device qsv=" + (alias ?? QsvAlias);
if (OperatingSystem.IsLinux())
{
// derive qsv from vaapi device
return GetVaapiDeviceArgs(null, "iHD", "i915", null, VaapiAlias) + arg + "@" + VaapiAlias;
}
if (OperatingSystem.IsWindows())
{
// derive qsv from d3d11va device
return GetD3d11vaDeviceArgs(0, "0x8086", D3d11vaAlias) + arg + "@" + D3d11vaAlias;
}
return null;
}
private string GetFilterHwDeviceArgs(string alias)
{
return string.IsNullOrEmpty(alias)
? string.Empty
: " -filter_hw_device " + alias;
}
public string GetGraphicalSubCanvasSize(EncodingJobInfo state)
{
// DVBSUB uses the fixed canvas size 720x576
if (state.SubtitleStream is not null
&& state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode
&& !state.SubtitleStream.IsTextSubtitleStream
&& !string.Equals(state.SubtitleStream.Codec, "DVBSUB", StringComparison.OrdinalIgnoreCase))
{
var subtitleWidth = state.SubtitleStream?.Width;
var subtitleHeight = state.SubtitleStream?.Height;
if (subtitleWidth.HasValue
&& subtitleHeight.HasValue
&& subtitleWidth.Value > 0
&& subtitleHeight.Value > 0)
{
return string.Format(
CultureInfo.InvariantCulture,
" -canvas_size {0}x{1}",
subtitleWidth.Value,
subtitleHeight.Value);
}
}
return string.Empty;
}
/// <summary>
/// Gets the input video hwaccel argument.
/// </summary>
/// <param name="state">Encoding state.</param>
/// <param name="options">Encoding options.</param>
/// <returns>Input video hwaccel arguments.</returns>
public string GetInputVideoHwaccelArgs(EncodingJobInfo state, EncodingOptions options)
{
if (!state.IsVideoRequest)
{
return string.Empty;
}
var vidEncoder = GetVideoEncoder(state, options) ?? string.Empty;
if (IsCopyCodec(vidEncoder))
{
return string.Empty;
}
var args = new StringBuilder();
var isWindows = OperatingSystem.IsWindows();
var isLinux = OperatingSystem.IsLinux();
var isMacOS = OperatingSystem.IsMacOS();
var optHwaccelType = options.HardwareAccelerationType;
var vidDecoder = GetHardwareVideoDecoder(state, options) ?? string.Empty;
var isHwTonemapAvailable = IsHwTonemapAvailable(state, options);
if (string.Equals(optHwaccelType, "vaapi", StringComparison.OrdinalIgnoreCase))
{
if (!isLinux || !_mediaEncoder.SupportsHwaccel("vaapi"))
{
return string.Empty;
}
var isVaapiDecoder = vidDecoder.Contains("vaapi", StringComparison.OrdinalIgnoreCase);
var isVaapiEncoder = vidEncoder.Contains("vaapi", StringComparison.OrdinalIgnoreCase);
if (!isVaapiDecoder && !isVaapiEncoder)
{
return string.Empty;
}
if (_mediaEncoder.IsVaapiDeviceInteliHD)
{
args.Append(GetVaapiDeviceArgs(options.VaapiDevice, "iHD", null, null, VaapiAlias));
}
else if (_mediaEncoder.IsVaapiDeviceInteli965)
{
// Only override i965 since it has lower priority than iHD in libva lookup.
Environment.SetEnvironmentVariable("LIBVA_DRIVER_NAME", "i965");
Environment.SetEnvironmentVariable("LIBVA_DRIVER_NAME_JELLYFIN", "i965");
args.Append(GetVaapiDeviceArgs(options.VaapiDevice, "i965", null, null, VaapiAlias));
}
var filterDevArgs = string.Empty;
var doOclTonemap = isHwTonemapAvailable && IsOpenclFullSupported();
if (_mediaEncoder.IsVaapiDeviceInteliHD || _mediaEncoder.IsVaapiDeviceInteli965)
{
if (doOclTonemap && !isVaapiDecoder)
{
args.Append(GetOpenclDeviceArgs(0, null, VaapiAlias, OpenclAlias));
filterDevArgs = GetFilterHwDeviceArgs(OpenclAlias);
}
}
else if (_mediaEncoder.IsVaapiDeviceAmd)
{
// Disable AMD EFC feature since it's still unstable in upstream Mesa.
Environment.SetEnvironmentVariable("AMD_DEBUG", "noefc");
if (IsVulkanFullSupported()
&& _mediaEncoder.IsVaapiDeviceSupportVulkanDrmInterop)
{
args.Append(GetDrmDeviceArgs(options.VaapiDevice, DrmAlias));
args.Append(GetVaapiDeviceArgs(null, null, null, DrmAlias, VaapiAlias));
args.Append(GetVulkanDeviceArgs(0, null, DrmAlias, VulkanAlias));
// libplacebo wants an explicitly set vulkan filter device.
filterDevArgs = GetFilterHwDeviceArgs(VulkanAlias);
}
else
{
args.Append(GetVaapiDeviceArgs(options.VaapiDevice, null, null, null, VaapiAlias));
filterDevArgs = GetFilterHwDeviceArgs(VaapiAlias);
if (doOclTonemap)
{
// ROCm/ROCr OpenCL runtime
args.Append(GetOpenclDeviceArgs(0, "Advanced Micro Devices", null, OpenclAlias));
filterDevArgs = GetFilterHwDeviceArgs(OpenclAlias);
}
}
}
else if (doOclTonemap)
{
args.Append(GetOpenclDeviceArgs(0, null, null, OpenclAlias));
filterDevArgs = GetFilterHwDeviceArgs(OpenclAlias);
}
args.Append(filterDevArgs);
}
else if (string.Equals(optHwaccelType, "qsv", StringComparison.OrdinalIgnoreCase))
{
if ((!isLinux && !isWindows) || !_mediaEncoder.SupportsHwaccel("qsv"))
{
return string.Empty;
}
var isD3d11vaDecoder = vidDecoder.Contains("d3d11va", StringComparison.OrdinalIgnoreCase);
var isVaapiDecoder = vidDecoder.Contains("vaapi", StringComparison.OrdinalIgnoreCase);
var isQsvDecoder = vidDecoder.Contains("qsv", StringComparison.OrdinalIgnoreCase);
var isQsvEncoder = vidEncoder.Contains("qsv", StringComparison.OrdinalIgnoreCase);
var isHwDecoder = isQsvDecoder || isVaapiDecoder || isD3d11vaDecoder;
if (!isHwDecoder && !isQsvEncoder)
{
return string.Empty;
}
args.Append(GetQsvDeviceArgs(QsvAlias));
var filterDevArgs = GetFilterHwDeviceArgs(QsvAlias);
// child device used by qsv.