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Address review comments from JustAMan, Bond-009 and cvium.
This commit is contained in:
PloughPuff 2019-02-12 22:05:42 +00:00 committed by Ploughpuff
parent 20775116f7
commit ed69e690b8
5 changed files with 150 additions and 160 deletions
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35
Emby.Server.Implementations/ApplicationHost.cs
View File

@ -791,7 +791,17 @@ namespace Emby.Server.Implementations
ChapterManager = new ChapterManager(LibraryManager, LoggerFactory, ServerConfigurationManager, ItemRepository);
serviceCollection.AddSingleton(ChapterManager);
MediaEncoder = new MediaBrowser.MediaEncoding.Encoder.MediaEncoder(LoggerFactory, JsonSerializer, StartupOptions.FFmpegPath, StartupOptions.FFprobePath, ServerConfigurationManager, FileSystemManager, () => SubtitleEncoder, () => MediaSourceManager, ProcessFactory, 5000);
MediaEncoder = new MediaBrowser.MediaEncoding.Encoder.MediaEncoder(
LoggerFactory,
JsonSerializer,
StartupOptions.FFmpegPath,
StartupOptions.FFprobePath,
ServerConfigurationManager,
FileSystemManager,
() => SubtitleEncoder,
() => MediaSourceManager,
ProcessFactory,
5000);
serviceCollection.AddSingleton(MediaEncoder);
EncodingManager = new MediaEncoder.EncodingManager(FileSystemManager, LoggerFactory, MediaEncoder, ChapterManager, LibraryManager);
@ -908,27 +918,6 @@ namespace Emby.Server.Implementations
return new ImageProcessor(LoggerFactory, ServerConfigurationManager.ApplicationPaths, FileSystemManager, ImageEncoder, () => LibraryManager, () => MediaEncoder);
}
/// <summary>
/// Registers the media encoder.
/// </summary>
/// <returns>Task.</returns>
private void RegisterMediaEncoder(IAssemblyInfo assemblyInfo)
{
MediaEncoder = new MediaBrowser.MediaEncoding.Encoder.MediaEncoder(
LoggerFactory,
JsonSerializer,
StartupOptions.FFmpegPath,
StartupOptions.FFprobePath,
ServerConfigurationManager,
FileSystemManager,
() => SubtitleEncoder,
() => MediaSourceManager,
ProcessFactory,
5000);
RegisterSingleInstance(MediaEncoder);
}
/// <summary>
/// Gets the user repository.
/// </summary>
@ -1404,7 +1393,7 @@ namespace Emby.Server.Implementations
ServerName = FriendlyName,
LocalAddress = localAddress,
SupportsLibraryMonitor = true,
EncoderLocationType = MediaEncoder.EncoderLocationType,
EncoderLocation = MediaEncoder.EncoderLocation,
SystemArchitecture = EnvironmentInfo.SystemArchitecture,
SystemUpdateLevel = SystemUpdateLevel,
PackageName = StartupOptions.PackageName

3
MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
View File

@ -6,6 +6,7 @@ using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.System;
namespace MediaBrowser.Controller.MediaEncoding
{
@ -14,7 +15,7 @@ namespace MediaBrowser.Controller.MediaEncoding
/// </summary>
public interface IMediaEncoder : ITranscoderSupport
{
string EncoderLocationType { get; }
FFmpegLocation EncoderLocation { get; }
/// <summary>
/// Gets the encoder path.

8
MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
View File

@ -48,6 +48,10 @@ namespace MediaBrowser.MediaEncoding.Encoder
if (string.IsNullOrWhiteSpace(output))
{
if (logOutput)
{
_logger.LogError("FFmpeg validation: The process returned no result");
}
return false;
}
@ -55,6 +59,10 @@ namespace MediaBrowser.MediaEncoding.Encoder
if (output.IndexOf("Libav developers", StringComparison.OrdinalIgnoreCase) != -1)
{
if (logOutput)
{
_logger.LogError("FFmpeg validation: avconv instead of ffmpeg is not supported");
}
return false;
}

247
MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
View File

@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Configuration;
@ -18,6 +19,7 @@ using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.System;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.MediaEncoding.Encoder
@ -34,17 +36,16 @@ namespace MediaBrowser.MediaEncoding.Encoder
public string EncoderPath => FFmpegPath;
/// <summary>
/// External: path supplied via command line
/// Custom: coming from UI or config/encoding.xml file
/// System: FFmpeg found in system $PATH
/// null: No FFmpeg found
/// The location of the discovered FFmpeg tool.
/// </summary>
public string EncoderLocationType { get; private set; }
public FFmpegLocation EncoderLocation { get; private set; }
private FFmpegLocation ProbeLocation;
private readonly ILogger _logger;
private readonly IJsonSerializer _jsonSerializer;
private string FFmpegPath { get; set; }
private string FFprobePath { get; set; }
private string FFmpegPath;
private string FFprobePath;
protected readonly IServerConfigurationManager ConfigurationManager;
protected readonly IFileSystem FileSystem;
protected readonly Func<ISubtitleEncoder> SubtitleEncoder;
@ -54,6 +55,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
private readonly string StartupOptionFFmpegPath;
private readonly string StartupOptionFFprobePath;
/// <summary>
/// Enum to identify the two types of FF utilities of interest.
/// </summary>
private enum FFtype { Mpeg, Probe };
private readonly SemaphoreSlim _thumbnailResourcePool = new SemaphoreSlim(1, 1);
private readonly List<ProcessWrapper> _runningProcesses = new List<ProcessWrapper>();
@ -82,48 +88,24 @@ namespace MediaBrowser.MediaEncoding.Encoder
/// <summary>
/// Run at startup or if the user removes a Custom path from transcode page.
/// Sets global variables FFmpegPath and EncoderLocationType.
/// If startup options --ffprobe is given then FFprobePath is set too.
/// Sets global variables FFmpegPath.
/// Precedence is: Config > CLI > $PATH
/// </summary>
public void Init()
{
// 1) If given, use the --ffmpeg CLI switch
if (ValidatePathFFmpeg("From CLI Switch", StartupOptionFFmpegPath))
// 1) Custom path stored in config/encoding xml file under tag <EncoderAppPathCustom> takes precedence
if (!ValidatePath(FFtype.Mpeg, ConfigurationManager.GetConfiguration<EncodingOptions>("encoding").EncoderAppPathCustom, FFmpegLocation.Custom))
{
_logger.LogInformation("FFmpeg: Using path from command line switch --ffmpeg");
EncoderLocationType = "External";
}
// 2) Try Custom path stroed in config/encoding xml file under tag <EncoderAppPathCustom>
else if (ValidatePathFFmpeg("From Config File", ConfigurationManager.GetConfiguration<EncodingOptions>("encoding").EncoderAppPathCustom))
{
_logger.LogInformation("FFmpeg: Using path from config/encoding.xml file");
EncoderLocationType = "Custom";
}
// 3) Search system $PATH environment variable for valid FFmpeg
else if (ValidatePathFFmpeg("From $PATH", ExistsOnSystemPath("ffmpeg")))
{
_logger.LogInformation("FFmpeg: Using system $PATH for FFmpeg");
EncoderLocationType = "System";
}
else
{
_logger.LogError("FFmpeg: No suitable executable found");
FFmpegPath = null;
EncoderLocationType = null;
}
// If given, use the --ffprobe CLI switch
if (ValidatePathFFprobe("CLI Switch", StartupOptionFFprobePath))
{
_logger.LogInformation("FFprobe: Using path from command line switch --ffprobe");
}
else
{
// FFprobe path from command line is no good, so set to null and let ReInit() try
// and set using the FFmpeg path.
FFprobePath = null;
// 2) Check if the --ffmpeg CLI switch has been given
if (!ValidatePath(FFtype.Mpeg, StartupOptionFFmpegPath, FFmpegLocation.SetByArgument))
{
// 3) Search system $PATH environment variable for valid FFmpeg
if (!ValidatePath(FFtype.Mpeg, ExistsOnSystemPath("ffmpeg"), FFmpegLocation.System))
{
EncoderLocation = FFmpegLocation.NotFound;
FFmpegPath = null;
}
}
}
ReInit();
@ -136,27 +118,27 @@ namespace MediaBrowser.MediaEncoding.Encoder
/// </summary>
private void ReInit()
{
// Write the FFmpeg path to the config/encoding.xml file so it appears in UI
// Write the FFmpeg path to the config/encoding.xml file as <EncoderAppPath> so it appears in UI
var config = ConfigurationManager.GetConfiguration<EncodingOptions>("encoding");
config.EncoderAppPath = FFmpegPath ?? string.Empty;
ConfigurationManager.SaveConfiguration("encoding", config);
// Clear probe settings in case probe validation fails
ProbeLocation = FFmpegLocation.NotFound;
FFprobePath = null;
// Only if mpeg path is set, try and set path to probe
if (FFmpegPath != null)
{
// Probe would be null here if no valid --ffprobe path was given
// at startup, or we're performing ReInit following mpeg path update from UI
if (FFprobePath == null)
if (EncoderLocation == FFmpegLocation.Custom || StartupOptionFFprobePath == null)
{
// Use the mpeg path to create a probe path
if (ValidatePathFFprobe("Copied from FFmpeg:", GetProbePathFromEncoderPath(FFmpegPath)))
{
_logger.LogInformation("FFprobe: Using FFprobe in same folders as FFmpeg");
}
else
{
_logger.LogError("FFprobe: No suitable executable found");
}
// If mpeg was read from config, or CLI switch not given, try and set probe from mpeg path
ValidatePath(FFtype.Probe, GetProbePathFromEncoderPath(FFmpegPath), EncoderLocation);
}
else
{
// Else try and set probe path from CLI switch
ValidatePath(FFtype.Probe, StartupOptionFFmpegPath, FFmpegLocation.SetByArgument);
}
// Interrogate to understand what coders it supports
@ -183,108 +165,95 @@ namespace MediaBrowser.MediaEncoding.Encoder
{
throw new ArgumentException("Unexpected pathType value");
}
if (string.IsNullOrWhiteSpace(path))
{
// User had cleared the custom path in UI. Clear the Custom config
// setting and perform full Init to reinspect any CLI switches and system $PATH
var config = ConfigurationManager.GetConfiguration<EncodingOptions>("encoding");
config.EncoderAppPathCustom = string.Empty;
ConfigurationManager.SaveConfiguration("encoding", config);
Init();
}
else if (!File.Exists(path) && !Directory.Exists(path))
{
// Given path is neither file or folder
throw new ResourceNotFoundException();
}
else
{
if (string.IsNullOrWhiteSpace(path))
// Supplied path could be either file path or folder path.
// Resolve down to file path and validate
if (!ValidatePath(FFtype.Mpeg, GetEncoderPath(path), FFmpegLocation.Custom))
{
// User had cleared the cutom path in UI. Clear the Custom config
// setting and peform full Init to relook any CLI switches and system $PATH
var config = ConfigurationManager.GetConfiguration<EncodingOptions>("encoding");
config.EncoderAppPathCustom = string.Empty;
ConfigurationManager.SaveConfiguration("encoding", config);
Init();
}
else if (!File.Exists(path) && !Directory.Exists(path))
{
// Given path is neither file or folder
throw new ResourceNotFoundException();
throw new ResourceNotFoundException("Failed validation checks.");
}
else
{
// Supplied path could be either file path or folder path.
// Resolve down to file path and validate
path = GetEncoderPath(path);
// Write the validated mpeg path to the xml as <EncoderAppPathCustom>
// This ensures its not lost on new startup
var config = ConfigurationManager.GetConfiguration<EncodingOptions>("encoding");
config.EncoderAppPathCustom = FFmpegPath;
ConfigurationManager.SaveConfiguration("encoding", config);
if (path == null)
{
throw new ResourceNotFoundException("FFmpeg not found");
}
else if (!ValidatePathFFmpeg("New From UI", path))
{
throw new ResourceNotFoundException("Failed validation checks. Version 4.0 or greater is required");
}
else
{
EncoderLocationType = "Custom";
// Write the validated mpeg path to the xml as <EncoderAppPathCustom>
// This ensures its not lost on new startup
var config = ConfigurationManager.GetConfiguration<EncodingOptions>("encoding");
config.EncoderAppPathCustom = FFmpegPath;
ConfigurationManager.SaveConfiguration("encoding", config);
FFprobePath = null; // Clear probe path so it gets relooked in ReInit()
ReInit();
}
ReInit();
}
}
}
private bool ValidatePath(string type, string path)
/// <summary>
/// Validates the supplied FQPN to ensure it is a FFxxx utility.
/// If checks pass, global variable FFmpegPath (or FFprobePath) and
/// EncoderLocation (or ProbeLocation) are updated.
/// </summary>
/// <param name="type">Either mpeg or probe</param>
/// <param name="path">FQPN to test</param>
/// <param name="location">Location (External, Custom, System) of tool</param>
/// <returns></returns>
private bool ValidatePath(FFtype type, string path, FFmpegLocation location)
{
bool rc = false;
if (!string.IsNullOrEmpty(path))
{
if (File.Exists(path))
{
var valid = new EncoderValidator(_logger, _processFactory).ValidateVersion(path, true);
rc = new EncoderValidator(_logger, _processFactory).ValidateVersion(path, false);
if (valid == true)
// Only update the global variables if the checks passed
if (rc)
{
return true;
if (type == FFtype.Mpeg)
{
FFmpegPath = path;
EncoderLocation = location;
}
else
{
FFprobePath = path;
ProbeLocation = location;
}
}
else
{
_logger.LogError("{0}: Failed validation checks. Version 4.0 or greater is required: {1}", type, path);
_logger.LogError("{0}: {1}: Failed version check: {2}", type.ToString(), location.ToString(), path);
}
}
else
{
_logger.LogError("{0}: File not found: {1}", type, path);
_logger.LogError("{0}: {1}: File not found: {2}", type.ToString(), location.ToString(), path);
}
}
return false;
}
private bool ValidatePathFFmpeg(string comment, string path)
{
if (ValidatePath("FFmpeg: " + comment, path) == true)
{
FFmpegPath = path;
return true;
}
return false;
}
private bool ValidatePathFFprobe(string comment, string path)
{
if (ValidatePath("FFprobe: " + comment, path) == true)
{
FFprobePath = path;
return true;
}
return false;
return rc;
}
private string GetEncoderPath(string path)
{
if (Directory.Exists(path))
{
return GetEncoderPathFromDirectory(path);
return GetEncoderPathFromDirectory(path, "ffmpeg");
}
if (File.Exists(path))
@ -295,7 +264,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
return null;
}
private string GetEncoderPathFromDirectory(string path)
private string GetEncoderPathFromDirectory(string path, string filename)
{
try
{
@ -303,7 +272,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
var excludeExtensions = new[] { ".c" };
return files.FirstOrDefault(i => string.Equals(Path.GetFileNameWithoutExtension(i), "ffmpeg", StringComparison.OrdinalIgnoreCase) && !excludeExtensions.Contains(Path.GetExtension(i) ?? string.Empty));
return files.FirstOrDefault(i => string.Equals(Path.GetFileNameWithoutExtension(i), filename, StringComparison.OrdinalIgnoreCase)
&& !excludeExtensions.Contains(Path.GetExtension(i) ?? string.Empty));
}
catch (Exception)
{
@ -314,8 +284,15 @@ namespace MediaBrowser.MediaEncoding.Encoder
private string GetProbePathFromEncoderPath(string appPath)
{
return FileSystem.GetFilePaths(Path.GetDirectoryName(appPath))
.FirstOrDefault(i => string.Equals(Path.GetFileNameWithoutExtension(i), "ffprobe", StringComparison.OrdinalIgnoreCase));
if (!string.IsNullOrEmpty(appPath))
{
string pattern = @"[^\/\\]+?(\.[^\/\\\n.]+)?$";
string substitution = @"ffprobe$1";
return Regex.Replace(appPath, pattern, substitution);
}
return null;
}
/// <summary>
@ -323,15 +300,15 @@ namespace MediaBrowser.MediaEncoding.Encoder
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
private string ExistsOnSystemPath(string fileName)
private string ExistsOnSystemPath(string filename)
{
var values = Environment.GetEnvironmentVariable("PATH");
foreach (var path in values.Split(Path.PathSeparator))
{
var candidatePath = GetEncoderPathFromDirectory(path);
var candidatePath = GetEncoderPathFromDirectory(path, filename);
if (ValidatePath("Found on PATH", candidatePath))
if (!string.IsNullOrEmpty(candidatePath))
{
return candidatePath;
}
@ -341,8 +318,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
private void LogPaths()
{
_logger.LogInformation("FFMpeg: {0}", FFmpegPath ?? "not found");
_logger.LogInformation("FFProbe: {0}", FFprobePath ?? "not found");
_logger.LogInformation("FFmpeg: {0}: {1}", EncoderLocation.ToString(), FFmpegPath ?? string.Empty);
_logger.LogInformation("FFprobe: {0}: {1}", ProbeLocation.ToString(), FFprobePath ?? string.Empty);
}
private List<string> _encoders = new List<string>();

17
MediaBrowser.Model/System/SystemInfo.cs
View File

@ -4,6 +4,21 @@ using MediaBrowser.Model.Updates;
namespace MediaBrowser.Model.System
{
/// <summary>
/// Enum describing the location of the FFmpeg tool.
/// </summary>
public enum FFmpegLocation
{
/// <summary>No path to FFmpeg found.</summary>
NotFound,
/// <summary>Path supplied via command line using switch --ffmpeg.</summary>
SetByArgument,
/// <summary>User has supplied path via Transcoding UI page.</summary>
Custom,
/// <summary>FFmpeg tool found on system $PATH.</summary>
System
};
/// <summary>
/// Class SystemInfo
/// </summary>
@ -122,7 +137,7 @@ namespace MediaBrowser.Model.System
/// <value><c>true</c> if this instance has update available; otherwise, <c>false</c>.</value>
public bool HasUpdateAvailable { get; set; }
public string EncoderLocationType { get; set; }
public FFmpegLocation EncoderLocation { get; set; }
public Architecture SystemArchitecture { get; set; }