mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-09-07 03:48:06 +02:00
219 lines
5.9 KiB
C#
219 lines
5.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Globalization;
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using MediaBrowser.Model.Diagnostics;
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using MediaBrowser.Model.Logging;
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namespace MediaBrowser.MediaEncoding.Encoder
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{
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public class EncoderValidator
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{
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private readonly ILogger _logger;
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private readonly IProcessFactory _processFactory;
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public EncoderValidator(ILogger logger, IProcessFactory processFactory)
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{
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_logger = logger;
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_processFactory = processFactory;
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}
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public Tuple<List<string>, List<string>> Validate(string encoderPath)
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{
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_logger.Info("Validating media encoder at {0}", encoderPath);
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var decoders = GetDecoders(encoderPath);
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var encoders = GetEncoders(encoderPath);
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_logger.Info("Encoder validation complete");
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return new Tuple<List<string>, List<string>>(decoders, encoders);
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}
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public bool ValidateVersion(string encoderAppPath, bool logOutput)
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{
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string output = string.Empty;
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try
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{
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output = GetProcessOutput(encoderAppPath, "-version");
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}
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catch (Exception ex)
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{
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if (logOutput)
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{
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_logger.ErrorException("Error validating encoder", ex);
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}
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}
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if (string.IsNullOrWhiteSpace(output))
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{
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return false;
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}
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_logger.Info("ffmpeg info: {0}", output);
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if (output.IndexOf("Libav developers", StringComparison.OrdinalIgnoreCase) != -1)
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{
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return false;
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}
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output = " " + output + " ";
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for (var i = 2013; i <= 2015; i++)
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{
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var yearString = i.ToString(CultureInfo.InvariantCulture);
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if (output.IndexOf(" " + yearString + " ", StringComparison.OrdinalIgnoreCase) != -1)
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{
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return false;
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}
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}
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return true;
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}
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private List<string> GetDecoders(string encoderAppPath)
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{
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string output = string.Empty;
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try
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{
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output = GetProcessOutput(encoderAppPath, "-decoders");
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}
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catch (Exception )
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{
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//_logger.ErrorException("Error detecting available decoders", ex);
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}
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var found = new List<string>();
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var required = new[]
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{
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"mpeg2video",
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"h264_qsv",
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"hevc_qsv",
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"mpeg2_qsv",
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"vc1_qsv",
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"h264_cuvid",
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"hevc_cuvid",
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"dts",
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"ac3",
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"aac",
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"mp3",
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"h264",
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"hevc"
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};
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foreach (var codec in required)
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{
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var srch = " " + codec + " ";
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if (output.IndexOf(srch, StringComparison.OrdinalIgnoreCase) != -1)
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{
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_logger.Info("Decoder available: " + codec);
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found.Add(codec);
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}
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}
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return found;
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}
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private List<string> GetEncoders(string encoderAppPath)
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{
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string output = null;
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try
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{
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output = GetProcessOutput(encoderAppPath, "-encoders");
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}
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catch
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{
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}
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var found = new List<string>();
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var required = new[]
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{
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"libx264",
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"libx265",
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"mpeg4",
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"msmpeg4",
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"libvpx",
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"libvpx-vp9",
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"aac",
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"libmp3lame",
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"libopus",
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"libvorbis",
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"srt",
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"h264_nvenc",
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"hevc_nvenc",
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"h264_qsv",
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"hevc_qsv",
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"h264_omx",
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"hevc_omx",
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"h264_vaapi",
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"hevc_vaapi",
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"ac3"
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};
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output = output ?? string.Empty;
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var index = 0;
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foreach (var codec in required)
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{
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var srch = " " + codec + " ";
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if (output.IndexOf(srch, StringComparison.OrdinalIgnoreCase) != -1)
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{
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if (index < required.Length - 1)
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{
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_logger.Info("Encoder available: " + codec);
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}
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found.Add(codec);
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}
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index++;
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}
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return found;
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}
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private string GetProcessOutput(string path, string arguments)
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{
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var process = _processFactory.Create(new ProcessOptions
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{
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CreateNoWindow = true,
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UseShellExecute = false,
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FileName = path,
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Arguments = arguments,
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IsHidden = true,
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ErrorDialog = false,
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RedirectStandardOutput = true
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});
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_logger.Info("Running {0} {1}", path, arguments);
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using (process)
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{
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process.Start();
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try
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{
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return process.StandardOutput.ReadToEnd();
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}
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catch
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{
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_logger.Info("Killing process {0} {1}", path, arguments);
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// Hate having to do this
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try
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{
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process.Kill();
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}
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catch (Exception ex1)
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{
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_logger.ErrorException("Error killing process", ex1);
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}
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throw;
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}
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}
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}
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}
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}
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