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Merge pull request #2809 from nyanmisaka/hwaccel

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Add more separate hardware decoding toggles, support videotoolbox
pull/3341/head
Anthony Lavado 4 years ago committed by GitHub
parent 741db0287a dabb869a6b
commit 25f8e596cb
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 317 additions and 71 deletions
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270
MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
Unescape View File

@ -74,7 +74,8 @@ namespace MediaBrowser.Controller.MediaEncoding
{"omx", hwEncoder + "_omx"},
{hwEncoder + "_v4l2m2m", hwEncoder + "_v4l2m2m"},
{"mediacodec", hwEncoder + "_mediacodec"},
{"vaapi", hwEncoder + "_vaapi"}
{"vaapi", hwEncoder + "_vaapi"},
{"videotoolbox", hwEncoder + "_videotoolbox"}
};
if (!string.IsNullOrEmpty(hwType)
@ -104,7 +105,8 @@ namespace MediaBrowser.Controller.MediaEncoding
return false;
}
return true;
return _mediaEncoder.SupportsHwaccel("vaapi");
}
/// <summary>
@ -445,31 +447,41 @@ namespace MediaBrowser.Controller.MediaEncoding
public string GetInputArgument(EncodingJobInfo state, EncodingOptions encodingOptions)
{
var arg = new StringBuilder();
var videoDecoder = GetHardwareAcceleratedVideoDecoder(state, encodingOptions) ?? string.Empty;
var outputVideoCodec = GetVideoEncoder(state, encodingOptions) ?? string.Empty;
bool isVaapiDecoder = videoDecoder.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1;
bool isVaapiEncoder = outputVideoCodec.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1;
bool isQsvDecoder = videoDecoder.IndexOf("qsv", StringComparison.OrdinalIgnoreCase) != -1;
bool isQsvEncoder = outputVideoCodec.IndexOf("qsv", StringComparison.OrdinalIgnoreCase) != -1;
if (state.IsVideoRequest
&& string.Equals(encodingOptions.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase))
{
arg.Append("-hwaccel vaapi -hwaccel_output_format vaapi")
.Append(" -vaapi_device ")
.Append(encodingOptions.VaapiDevice)
.Append(' ');
if (isVaapiDecoder)
{
arg.Append("-hwaccel_output_format vaapi ")
.Append("-vaapi_device ")
.Append(encodingOptions.VaapiDevice)
.Append(" ");
}
else if (!isVaapiDecoder && isVaapiEncoder)
{
arg.Append("-vaapi_device ")
.Append(encodingOptions.VaapiDevice)
.Append(" ");
}
}
if (state.IsVideoRequest
&& string.Equals(encodingOptions.HardwareAccelerationType, "qsv", StringComparison.OrdinalIgnoreCase))
{
var videoDecoder = GetHardwareAcceleratedVideoDecoder(state, encodingOptions);
var outputVideoCodec = GetVideoEncoder(state, encodingOptions);
var hasTextSubs = state.SubtitleStream != null && state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode;
if (!hasTextSubs)
{
// While using QSV encoder
if ((outputVideoCodec ?? string.Empty).IndexOf("qsv", StringComparison.OrdinalIgnoreCase) != -1)
if (isQsvEncoder)
{
// While using QSV decoder
if ((videoDecoder ?? string.Empty).IndexOf("qsv", StringComparison.OrdinalIgnoreCase) != -1)
if (isQsvDecoder)
{
arg.Append("-hwaccel qsv ");
}
@ -527,6 +539,8 @@ 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)
{
if (IsH264(stream))
@ -551,8 +565,8 @@ namespace MediaBrowser.Controller.MediaEncoding
{
if (string.Equals(videoCodec, "libvpx", StringComparison.OrdinalIgnoreCase))
{
// With vpx when crf is used, b:v becomes a max rate
// https://trac.ffmpeg.org/wiki/vpxEncodingGuide.
// When crf is used with vpx, b:v becomes a max rate
// https://trac.ffmpeg.org/wiki/Encode/VP9
return string.Format(
CultureInfo.InvariantCulture,
" -maxrate:v {0} -bufsize:v {1} -b:v {0}",
@ -1525,8 +1539,9 @@ namespace MediaBrowser.Controller.MediaEncoding
EncodingOptions options,
string outputVideoCodec)
{
var outputSizeParam = string.Empty;
outputVideoCodec ??= string.Empty;
var outputSizeParam = string.Empty;
var request = state.BaseRequest;
// Add resolution params, if specified
@ -1569,16 +1584,14 @@ namespace MediaBrowser.Controller.MediaEncoding
}
var videoSizeParam = string.Empty;
var videoDecoder = GetHardwareAcceleratedVideoDecoder(state, options);
var videoDecoder = GetHardwareAcceleratedVideoDecoder(state, options) ?? string.Empty;
// Setup subtitle scaling
if (state.VideoStream != null && state.VideoStream.Width.HasValue && state.VideoStream.Height.HasValue)
{
// force_original_aspect_ratio=decrease
// Enable decreasing output video width or height if necessary to keep the original aspect ratio
videoSizeParam = string.Format(
CultureInfo.InvariantCulture,
"scale={0}:{1}:force_original_aspect_ratio=decrease",
"scale={0}:{1}",
state.VideoStream.Width.Value,
state.VideoStream.Height.Value);
@ -1591,8 +1604,10 @@ namespace MediaBrowser.Controller.MediaEncoding
// For VAAPI and CUVID decoder
// these encoders cannot automatically adjust the size of graphical subtitles to fit the output video,
// thus needs to be manually adjusted.
if ((IsVaapiSupported(state) && string.Equals(options.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase))
|| (videoDecoder ?? string.Empty).IndexOf("cuvid", StringComparison.OrdinalIgnoreCase) != -1)
if (videoDecoder.IndexOf("cuvid", StringComparison.OrdinalIgnoreCase) != -1
|| (IsVaapiSupported(state) && string.Equals(options.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase)
&& (videoDecoder.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1
|| outputVideoCodec.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1)))
{
var videoStream = state.VideoStream;
var inputWidth = videoStream?.Width;
@ -1603,7 +1618,7 @@ namespace MediaBrowser.Controller.MediaEncoding
{
videoSizeParam = string.Format(
CultureInfo.InvariantCulture,
"scale={0}:{1}:force_original_aspect_ratio=decrease",
"scale={0}:{1}",
width.Value,
height.Value);
}
@ -1634,7 +1649,7 @@ namespace MediaBrowser.Controller.MediaEncoding
}
// If we're hardware VAAPI decoding and software encoding, download frames from the decoder first
else if (IsVaapiSupported(state) && string.Equals(options.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase)
else if (IsVaapiSupported(state) && videoDecoder.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1
&& string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase))
{
/*
@ -1652,7 +1667,7 @@ namespace MediaBrowser.Controller.MediaEncoding
For software decoding and hardware encoding option, frames must be hwuploaded into hardware
with fixed frame size.
*/
if (!string.IsNullOrEmpty(videoDecoder) && videoDecoder.Contains("qsv", StringComparison.OrdinalIgnoreCase))
if (videoDecoder.IndexOf("qsv", StringComparison.OrdinalIgnoreCase) != -1)
{
retStr = " -filter_complex \"[{0}:{1}]{4}[sub];[0:{2}][sub]overlay_qsv=x=(W-w)/2:y=(H-h)/2{3}\"";
}
@ -1975,7 +1990,7 @@ namespace MediaBrowser.Controller.MediaEncoding
var videoStream = state.VideoStream;
var filters = new List<string>();
var videoDecoder = GetHardwareAcceleratedVideoDecoder(state, options);
var videoDecoder = GetHardwareAcceleratedVideoDecoder(state, options) ?? string.Empty;
var inputWidth = videoStream?.Width;
var inputHeight = videoStream?.Height;
var threeDFormat = state.MediaSource.Video3DFormat;
@ -2000,7 +2015,7 @@ namespace MediaBrowser.Controller.MediaEncoding
}
// If we're hardware VAAPI decoding and software encoding, download frames from the decoder first
else if (IsVaapiSupported(state) && string.Equals(options.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase)
else if (videoDecoder.IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1
&& string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase))
{
var codec = videoStream.Codec.ToLowerInvariant();
@ -2509,16 +2524,17 @@ namespace MediaBrowser.Controller.MediaEncoding
/// </summary>
protected string GetHardwareAcceleratedVideoDecoder(EncodingJobInfo state, EncodingOptions encodingOptions)
{
var videoType = state.MediaSource.VideoType ?? VideoType.VideoFile;
var videoStream = state.VideoStream;
var isColorDepth10 = !string.IsNullOrEmpty(videoStream.Profile) && (videoStream.Profile.Contains("Main 10", StringComparison.OrdinalIgnoreCase)
|| videoStream.Profile.Contains("High 10", StringComparison.OrdinalIgnoreCase));
if (EncodingHelper.IsCopyCodec(state.OutputVideoCodec))
{
return null;
}
return GetHardwareAcceleratedVideoDecoder(state.MediaSource.VideoType ?? VideoType.VideoFile, state.VideoStream, encodingOptions);
}
public string GetHardwareAcceleratedVideoDecoder(VideoType videoType, MediaStream videoStream, 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 expiremental anyway, it's not worth adding additional variables such as this.
@ -2531,6 +2547,14 @@ namespace MediaBrowser.Controller.MediaEncoding
&& !string.IsNullOrEmpty(videoStream.Codec)
&& !string.IsNullOrEmpty(encodingOptions.HardwareAccelerationType))
{
// Only hevc and vp9 formats have 10-bit hardware decoder support now.
if (isColorDepth10 && !(string.Equals(videoStream.Codec, "hevc", StringComparison.OrdinalIgnoreCase)
|| string.Equals(videoStream.Codec, "h265", StringComparison.OrdinalIgnoreCase)
|| string.Equals(videoStream.Codec, "vp9", StringComparison.OrdinalIgnoreCase)))
{
return null;
}
if (string.Equals(encodingOptions.HardwareAccelerationType, "qsv", StringComparison.OrdinalIgnoreCase))
{
switch (videoStream.Codec.ToLowerInvariant())
@ -2552,8 +2576,8 @@ namespace MediaBrowser.Controller.MediaEncoding
case "h265":
if (_mediaEncoder.SupportsDecoder("hevc_qsv") && encodingOptions.HardwareDecodingCodecs.Contains("hevc", StringComparer.OrdinalIgnoreCase))
{
// return "-c:v hevc_qsv -load_plugin hevc_hw ";
return "-c:v hevc_qsv";
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Hevc) ? null : "-c:v hevc_qsv";
}
break;
case "mpeg2video":
@ -2568,6 +2592,19 @@ namespace MediaBrowser.Controller.MediaEncoding
return "-c:v vc1_qsv";
}
break;
case "vp8":
if (_mediaEncoder.SupportsDecoder("vp8_qsv") && encodingOptions.HardwareDecodingCodecs.Contains("vp8", StringComparer.OrdinalIgnoreCase))
{
return "-c:v vp8_qsv";
}
break;
case "vp9":
if (_mediaEncoder.SupportsDecoder("vp9_qsv") && encodingOptions.HardwareDecodingCodecs.Contains("vp9", StringComparer.OrdinalIgnoreCase))
{
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Vp9) ? null : "-c:v vp9_qsv";
}
break;
}
}
else if (string.Equals(encodingOptions.HardwareAccelerationType, "nvenc", StringComparison.OrdinalIgnoreCase))
@ -2578,12 +2615,6 @@ namespace MediaBrowser.Controller.MediaEncoding
case "h264":
if (_mediaEncoder.SupportsDecoder("h264_cuvid") && encodingOptions.HardwareDecodingCodecs.Contains("h264", StringComparer.OrdinalIgnoreCase))
{
// cuvid decoder does not support 10-bit input
if ((videoStream.BitDepth ?? 8) > 8)
{
encodingOptions.HardwareDecodingCodecs = Array.Empty<string>();
return null;
}
return "-c:v h264_cuvid";
}
break;
@ -2591,7 +2622,8 @@ namespace MediaBrowser.Controller.MediaEncoding
case "h265":
if (_mediaEncoder.SupportsDecoder("hevc_cuvid") && encodingOptions.HardwareDecodingCodecs.Contains("hevc", StringComparer.OrdinalIgnoreCase))
{
return "-c:v hevc_cuvid";
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Hevc) ? null : "-c:v hevc_cuvid";
}
break;
case "mpeg2video":
@ -2612,6 +2644,19 @@ namespace MediaBrowser.Controller.MediaEncoding
return "-c:v mpeg4_cuvid";
}
break;
case "vp8":
if (_mediaEncoder.SupportsDecoder("vp8_cuvid") && encodingOptions.HardwareDecodingCodecs.Contains("vp8", StringComparer.OrdinalIgnoreCase))
{
return "-c:v vp8_cuvid";
}
break;
case "vp9":
if (_mediaEncoder.SupportsDecoder("vp9_cuvid") && encodingOptions.HardwareDecodingCodecs.Contains("vp9", StringComparer.OrdinalIgnoreCase))
{
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Vp9) ? null : "-c:v vp9_cuvid";
}
break;
}
}
else if (string.Equals(encodingOptions.HardwareAccelerationType, "mediacodec", StringComparison.OrdinalIgnoreCase))
@ -2629,7 +2674,8 @@ namespace MediaBrowser.Controller.MediaEncoding
case "h265":
if (_mediaEncoder.SupportsDecoder("hevc_mediacodec") && encodingOptions.HardwareDecodingCodecs.Contains("hevc", StringComparer.OrdinalIgnoreCase))
{
return "-c:v hevc_mediacodec";
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Hevc) ? null : "-c:v hevc_mediacodec";
}
break;
case "mpeg2video":
@ -2653,7 +2699,8 @@ namespace MediaBrowser.Controller.MediaEncoding
case "vp9":
if (_mediaEncoder.SupportsDecoder("vp9_mediacodec") && encodingOptions.HardwareDecodingCodecs.Contains("vp9", StringComparer.OrdinalIgnoreCase))
{
return "-c:v vp9_mediacodec";
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Vp9) ? null : "-c:v vp9_mediacodec";
}
break;
}
@ -2691,27 +2738,148 @@ namespace MediaBrowser.Controller.MediaEncoding
}
else if (string.Equals(encodingOptions.HardwareAccelerationType, "amf", StringComparison.OrdinalIgnoreCase))
{
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
switch (videoStream.Codec.ToLowerInvariant())
{
if (Environment.OSVersion.Version.Major > 6 || (Environment.OSVersion.Version.Major == 6 && Environment.OSVersion.Version.Minor > 1))
return "-hwaccel d3d11va";
else
return "-hwaccel dxva2";
case "avc":
case "h264":
return GetHwaccelType(state, encodingOptions, "h264");
case "hevc":
case "h265":
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Hevc) ? null : GetHwaccelType(state, encodingOptions, "hevc");
case "mpeg2video":
return GetHwaccelType(state, encodingOptions, "mpeg2video");
case "vc1":
return GetHwaccelType(state, encodingOptions, "vc1");
case "mpeg4":
return GetHwaccelType(state, encodingOptions, "mpeg4");
case "vp9":
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Vp9) ? null : GetHwaccelType(state, encodingOptions, "vp9");
}
else
}
else if (string.Equals(encodingOptions.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase))
{
switch (videoStream.Codec.ToLowerInvariant())
{
case "avc":
case "h264":
return GetHwaccelType(state, encodingOptions, "h264");
case "hevc":
case "h265":
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Hevc) ? null : GetHwaccelType(state, encodingOptions, "hevc");
case "mpeg2video":
return GetHwaccelType(state, encodingOptions, "mpeg2video");
case "vc1":
return GetHwaccelType(state, encodingOptions, "vc1");
case "vp8":
return GetHwaccelType(state, encodingOptions, "vp8");
case "vp9":
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Vp9) ? null : GetHwaccelType(state, encodingOptions, "vp9");
}
}
else if (string.Equals(encodingOptions.HardwareAccelerationType, "videotoolbox", StringComparison.OrdinalIgnoreCase))
{
switch (videoStream.Codec.ToLowerInvariant())
{
return "-hwaccel vaapi";
case "avc":
case "h264":
if (_mediaEncoder.SupportsDecoder("h264_opencl") && encodingOptions.HardwareDecodingCodecs.Contains("h264", StringComparer.OrdinalIgnoreCase))
{
return "-c:v h264_opencl";
}
break;
case "hevc":
case "h265":
if (_mediaEncoder.SupportsDecoder("hevc_opencl") && encodingOptions.HardwareDecodingCodecs.Contains("h264", StringComparer.OrdinalIgnoreCase))
{
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Hevc) ? null : "-c:v hevc_opencl";
}
break;
case "mpeg2video":
if (_mediaEncoder.SupportsDecoder("mpeg2_opencl") && encodingOptions.HardwareDecodingCodecs.Contains("mpeg2video", StringComparer.OrdinalIgnoreCase))
{
return "-c:v mpeg2_opencl";
}
break;
case "mpeg4":
if (_mediaEncoder.SupportsDecoder("mpeg4_opencl") && encodingOptions.HardwareDecodingCodecs.Contains("mpeg4", StringComparer.OrdinalIgnoreCase))
{
return "-c:v mpeg4_opencl";
}
break;
case "vc1":
if (_mediaEncoder.SupportsDecoder("vc1_opencl") && encodingOptions.HardwareDecodingCodecs.Contains("vc1", StringComparer.OrdinalIgnoreCase))
{
return "-c:v vc1_opencl";
}
break;
case "vp8":
if (_mediaEncoder.SupportsDecoder("vp8_opencl") && encodingOptions.HardwareDecodingCodecs.Contains("vc1", StringComparer.OrdinalIgnoreCase))
{
return "-c:v vp8_opencl";
}
break;
case "vp9":
if (_mediaEncoder.SupportsDecoder("vp9_opencl") && encodingOptions.HardwareDecodingCodecs.Contains("vc1", StringComparer.OrdinalIgnoreCase))
{
return (isColorDepth10 &&
!encodingOptions.EnableDecodingColorDepth10Vp9) ? null : "-c:v vp9_opencl";
}
break;
}
}
}
var whichCodec = videoStream.Codec.ToLowerInvariant();
switch (whichCodec)
{
case "avc":
whichCodec = "h264";
break;
case "h265":
whichCodec = "hevc";
break;
}
// Avoid a second attempt if no hardware acceleration is being used
encodingOptions.HardwareDecodingCodecs = Array.Empty<string>();
encodingOptions.HardwareDecodingCodecs = encodingOptions.HardwareDecodingCodecs.Where(val => val != whichCodec).ToArray();
// leave blank so ffmpeg will decide
return null;
}
/// <summary>
/// Gets a hwaccel type to use as a hardware decoder(dxva/vaapi) depending on the system
/// </summary>
public string GetHwaccelType(EncodingJobInfo state, EncodingOptions options, string videoCodec)
{
var isWindows = Environment.OSVersion.Platform == PlatformID.Win32NT;
var isWindows8orLater = Environment.OSVersion.Version.Major > 6 || (Environment.OSVersion.Version.Major == 6 && Environment.OSVersion.Version.Minor > 1);
var isDxvaSupported = _mediaEncoder.SupportsHwaccel("dxva2") || _mediaEncoder.SupportsHwaccel("d3d11va");
if ((isDxvaSupported || IsVaapiSupported(state)) && options.HardwareDecodingCodecs.Contains(videoCodec, StringComparer.OrdinalIgnoreCase))
{
if (!isWindows)
{
return "-hwaccel vaapi";
}
else if (isWindows8orLater)
{
return "-hwaccel d3d11va";
}
else
{
return "-hwaccel dxva2";
}
}
return null;
}
public string GetSubtitleEmbedArguments(EncodingJobInfo state)
{
if (state.SubtitleStream == null || state.SubtitleDeliveryMethod != SubtitleDeliveryMethod.Embed)

17
MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
Unescape View File

@ -27,12 +27,26 @@ namespace MediaBrowser.Controller.MediaEncoding
string EncoderPath { get; }
/// <summary>
/// Supportses the decoder.
/// Whether given encoder codec is supported.
/// </summary>
/// <param name="encoder">The encoder.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
bool SupportsEncoder(string encoder);
/// <summary>
/// Whether given decoder codec is supported.
/// </summary>
/// <param name="decoder">The decoder.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
bool SupportsDecoder(string decoder);
/// <summary>
/// Whether given hardware acceleration type is supported.
/// </summary>
/// <param name="hwaccel">The hwaccel.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
bool SupportsHwaccel(string hwaccel);
/// <summary>
/// Extracts the audio image.
/// </summary>
@ -98,7 +112,6 @@ namespace MediaBrowser.Controller.MediaEncoding
void SetFFmpegPath();
void UpdateEncoderPath(string path, string pathType);
bool SupportsEncoder(string encoder);
IEnumerable<string> GetPrimaryPlaylistVobFiles(string path, IIsoMount isoMount, uint? titleNumber);
}

81
MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
Unescape View File

@ -14,23 +14,45 @@ namespace MediaBrowser.MediaEncoding.Encoder
private static readonly string[] requiredDecoders = new[]
{
"h264",
"hevc",
"mpeg2video",
"mpeg4",
"msmpeg4",
"dts",
"ac3",
"aac",
"mp3",
"h264_qsv",
"hevc_qsv",
"mpeg2_qsv",
"mpeg2_mmal",
"mpeg4_mmal",
"vc1_qsv",
"vc1_mmal",
"vp8_qsv",
"vp9_qsv",
"h264_cuvid",
"hevc_cuvid",
"dts",
"ac3",
"aac",
"mp3",
"h264",
"mpeg2_cuvid",
"vc1_cuvid",
"mpeg4_cuvid",
"vp8_cuvid",
"vp9_cuvid",
"h264_mmal",
"hevc"
"mpeg2_mmal",
"mpeg4_mmal",
"vc1_mmal",
"h264_mediacodec",
"hevc_mediacodec",
"mpeg2_mediacodec",
"mpeg4_mediacodec",
"vp8_mediacodec",
"vp9_mediacodec",
"h264_opencl",
"hevc_opencl",
"mpeg2_opencl",
"mpeg4_opencl",
"vp8_opencl",
"vp9_opencl",
"vc1_opencl"
};
private static readonly string[] requiredEncoders = new[]
@ -43,22 +65,24 @@ namespace MediaBrowser.MediaEncoding.Encoder
"libvpx-vp9",
"aac",
"libfdk_aac",
"ac3",
"libmp3lame",
"libopus",
"libvorbis",
"srt",
"h264_nvenc",
"hevc_nvenc",
"h264_amf",
"hevc_amf",
"h264_qsv",
"hevc_qsv",
"h264_omx",
"hevc_omx",
"h264_nvenc",
"hevc_nvenc",
"h264_vaapi",
"hevc_vaapi",
"h264_omx",
"hevc_omx",
"h264_v4l2m2m",
"ac3",
"h264_amf",
"hevc_amf"
"h264_videotoolbox",
"hevc_videotoolbox"
};
// Try and use the individual library versions to determine a FFmpeg version
@ -159,6 +183,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
public IEnumerable<string> GetEncoders() => GetCodecs(Codec.Encoder);
public IEnumerable<string> GetHwaccels() => GetHwaccelTypes();
/// <summary>
/// Using the output from "ffmpeg -version" work out the FFmpeg version.
/// For pre-built binaries the first line should contain a string like "ffmpeg version x.y", which is easy
@ -218,6 +244,29 @@ namespace MediaBrowser.MediaEncoding.Encoder
Decoder
}
private IEnumerable<string> GetHwaccelTypes()
{
string output = null;
try
{
output = GetProcessOutput(_encoderPath, "-hwaccels");
}
catch (Exception ex)
{
_logger.LogError(ex, "Error detecting available hwaccel types");
}
if (string.IsNullOrWhiteSpace(output))
{
return Enumerable.Empty<string>();
}
var found = output.Split(new char[] {'\r','\n'}, StringSplitOptions.RemoveEmptyEntries).Skip(1).Distinct().ToList();
_logger.LogInformation("Available hwaccel types: {Types}", found);
return found;
}
private IEnumerable<string> GetCodecs(Codec codec)
{
string codecstr = codec == Codec.Encoder ? "encoders" : "decoders";

13
MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
Unescape View File

@ -111,6 +111,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
SetAvailableDecoders(validator.GetDecoders());
SetAvailableEncoders(validator.GetEncoders());
SetAvailableHwaccels(validator.GetHwaccels());
}
_logger.LogInformation("FFmpeg: {EncoderLocation}: {FfmpegPath}", EncoderLocation, _ffmpegPath ?? string.Empty);
@ -257,6 +258,13 @@ namespace MediaBrowser.MediaEncoding.Encoder
// _logger.Info("Supported decoders: {0}", string.Join(",", list.ToArray()));
}
private List<string> _hwaccels = new List<string>();
public void SetAvailableHwaccels(IEnumerable<string> list)
{
_hwaccels = list.ToList();
//_logger.Info("Supported hwaccels: {0}", string.Join(",", list.ToArray()));
}
public bool SupportsEncoder(string encoder)
{
return _encoders.Contains(encoder, StringComparer.OrdinalIgnoreCase);
@ -267,6 +275,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
return _decoders.Contains(decoder, StringComparer.OrdinalIgnoreCase);
}
public bool SupportsHwaccel(string hwaccel)
{
return _hwaccels.Contains(hwaccel, StringComparer.OrdinalIgnoreCase);
}
public bool CanEncodeToAudioCodec(string codec)
{
if (string.Equals(codec, "opus", StringComparison.OrdinalIgnoreCase))

2
MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
Unescape View File

@ -736,7 +736,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
var charset = CharsetDetector.DetectFromStream(stream).Detected?.EncodingName;
// UTF16 is automatically converted to UTF8 by FFmpeg, do not specify a character encoding
if ((path.EndsWith(".ass") || path.EndsWith(".ssa"))
if ((path.EndsWith(".ass") || path.EndsWith(".ssa") || path.EndsWith(".srt"))
&& (string.Equals(charset, "utf-16le", StringComparison.OrdinalIgnoreCase)
|| string.Equals(charset, "utf-16be", StringComparison.OrdinalIgnoreCase)))
{

5
MediaBrowser.Model/Configuration/EncodingOptions.cs
Unescape View File

@ -36,7 +36,8 @@ namespace MediaBrowser.Model.Configuration
public string EncoderPreset { get; set; }
public string DeinterlaceMethod { get; set; }
public bool EnableDecodingColorDepth10Hevc { get; set; }
public bool EnableDecodingColorDepth10Vp9 { get; set; }
public bool EnableHardwareEncoding { get; set; }
public bool EnableSubtitleExtraction { get; set; }
@ -54,6 +55,8 @@ namespace MediaBrowser.Model.Configuration
H264Crf = 23;
H265Crf = 28;
DeinterlaceMethod = "yadif";
EnableDecodingColorDepth10Hevc = true;
EnableDecodingColorDepth10Vp9 = true;
EnableHardwareEncoding = true;
EnableSubtitleExtraction = true;
HardwareDecodingCodecs = new string[] { "h264", "vc1" };

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