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#642 - Add server-side encoding settings

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This commit is contained in:
Luke Pulverenti 2013-12-15 14:39:21 -05:00
parent a3d855919e
commit 53f4e849fd
8 changed files with 146 additions and 86 deletions
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85
MediaBrowser.Api/Playback/BaseStreamingService.cs
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@ -2,12 +2,14 @@
using MediaBrowser.Common.IO;
using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaInfo;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.Drawing;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
@ -32,7 +34,7 @@ namespace MediaBrowser.Api.Playback
/// Gets or sets the application paths.
/// </summary>
/// <value>The application paths.</value>
protected IServerApplicationPaths ApplicationPaths { get; private set; }
protected IServerConfigurationManager ServerConfigurationManager { get; private set; }
/// <summary>
/// Gets or sets the user manager.
@ -66,17 +68,20 @@ namespace MediaBrowser.Api.Playback
/// <summary>
/// Initializes a new instance of the <see cref="BaseStreamingService" /> class.
/// </summary>
/// <param name="appPaths">The app paths.</param>
/// <param name="serverConfig">The server configuration.</param>
/// <param name="userManager">The user manager.</param>
/// <param name="libraryManager">The library manager.</param>
/// <param name="isoManager">The iso manager.</param>
/// <param name="mediaEncoder">The media encoder.</param>
protected BaseStreamingService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository)
/// <param name="dtoService">The dto service.</param>
/// <param name="fileSystem">The file system.</param>
/// <param name="itemRepository">The item repository.</param>
protected BaseStreamingService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository)
{
ItemRepository = itemRepository;
FileSystem = fileSystem;
DtoService = dtoService;
ApplicationPaths = appPaths;
ServerConfigurationManager = serverConfig;
UserManager = userManager;
LibraryManager = libraryManager;
IsoManager = isoManager;
@ -115,7 +120,7 @@ namespace MediaBrowser.Api.Playback
/// <returns>System.String.</returns>
protected virtual string GetOutputFilePath(StreamState state)
{
var folder = ApplicationPaths.EncodedMediaCachePath;
var folder = ServerConfigurationManager.ApplicationPaths.EncodedMediaCachePath;
var outputFileExtension = GetOutputFileExtension(state);
@ -246,6 +251,74 @@ namespace MediaBrowser.Api.Playback
return returnFirstIfNoIndex ? streams.FirstOrDefault() : null;
}
/// <summary>
/// Gets the number of threads.
/// </summary>
/// <returns>System.Int32.</returns>
/// <exception cref="System.Exception">Unrecognized EncodingQuality value.</exception>
protected int GetNumberOfThreads()
{
var quality = ServerConfigurationManager.Configuration.EncodingQuality;
if (quality == EncodingQuality.Auto)
{
var cpuCount = Environment.ProcessorCount;
if (cpuCount >= 4)
{
return 0;
}
return cpuCount;
}
switch (quality)
{
case EncodingQuality.HighSpeed:
return 2;
case EncodingQuality.HighQuality:
return 2;
case EncodingQuality.MaxQuality:
return 0;
default:
throw new Exception("Unrecognized EncodingQuality value.");
}
}
/// <summary>
/// Gets the video bitrate to specify on the command line
/// </summary>
/// <param name="state">The state.</param>
/// <param name="videoCodec">The video codec.</param>
/// <returns>System.String.</returns>
protected string GetVideoQualityParam(StreamState state, string videoCodec)
{
var args = string.Empty;
// webm
if (videoCodec.Equals("libvpx", StringComparison.OrdinalIgnoreCase))
{
args = "-speed 16 -quality good -profile:v 0 -slices 8";
}
// asf/wmv
else if (videoCodec.Equals("wmv2", StringComparison.OrdinalIgnoreCase))
{
args = "-g 100 -qmax 15";
}
else if (videoCodec.Equals("libx264", StringComparison.OrdinalIgnoreCase))
{
args = "-preset superfast";
}
else if (videoCodec.Equals("mpeg4", StringComparison.OrdinalIgnoreCase))
{
args = "-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -bf 2";
}
return args.Trim();
}
/// <summary>
/// If we're going to put a fixed size on the command line, this will calculate it
/// </summary>
@ -656,7 +729,7 @@ namespace MediaBrowser.Api.Playback
Logger.Info(process.StartInfo.FileName + " " + process.StartInfo.Arguments);
var logFilePath = Path.Combine(ApplicationPaths.LogDirectoryPath, "ffmpeg-" + Guid.NewGuid() + ".txt");
var logFilePath = Path.Combine(ServerConfigurationManager.ApplicationPaths.LogDirectoryPath, "ffmpeg-" + Guid.NewGuid() + ".txt");
// FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
state.LogFileStream = FileSystem.GetFileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, true);

6
MediaBrowser.Api/Playback/Hls/AudioHlsService.cs
View File

@ -1,6 +1,6 @@
using MediaBrowser.Common.IO;
using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Persistence;
@ -26,8 +26,8 @@ namespace MediaBrowser.Api.Playback.Hls
/// </summary>
public class AudioHlsService : BaseHlsService
{
public AudioHlsService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository)
: base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository)
public AudioHlsService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository)
: base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository)
{
}

16
MediaBrowser.Api/Playback/Hls/BaseHlsService.cs
View File

@ -2,7 +2,7 @@
using MediaBrowser.Common.IO;
using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
@ -22,14 +22,14 @@ namespace MediaBrowser.Api.Playback.Hls
/// </summary>
public abstract class BaseHlsService : BaseStreamingService
{
protected BaseHlsService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository)
: base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository)
protected BaseHlsService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository)
: base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository)
{
}
protected override string GetOutputFilePath(StreamState state)
{
var folder = ApplicationPaths.EncodedMediaCachePath;
var folder = ServerConfigurationManager.ApplicationPaths.EncodedMediaCachePath;
var outputFileExtension = GetOutputFileExtension(state);
@ -257,13 +257,16 @@ namespace MediaBrowser.Api.Playback.Hls
var itsOffset = itsOffsetMs == 0 ? string.Empty : string.Format("-itsoffset {0} ", TimeSpan.FromMilliseconds(itsOffsetMs).TotalSeconds);
var args = string.Format("{0}{1} {2} {3} -i {4}{5} -threads 0 {6} {7} -sc_threshold 0 {8} -hls_time 10 -start_number 0 -hls_list_size 1440 \"{9}\"",
var threads = GetNumberOfThreads();
var args = string.Format("{0}{1} {2} {3} -i {4}{5} -threads {6} {7} {8} -sc_threshold 0 {9} -hls_time 10 -start_number 0 -hls_list_size 1440 \"{10}\"",
itsOffset,
probeSize,
GetUserAgentParam(state.Item),
GetFastSeekCommandLineParameter(state.Request),
GetInputArgument(state.Item, state.IsoMount),
GetSlowSeekCommandLineParameter(state.Request),
threads,
GetMapArgs(state),
GetVideoArguments(state, performSubtitleConversions),
GetAudioArguments(state),
@ -278,7 +281,8 @@ namespace MediaBrowser.Api.Playback.Hls
var bitrate = hlsVideoRequest.BaselineStreamAudioBitRate ?? 64000;
var lowBitrateParams = string.Format(" -threads 0 -vn -codec:a:0 libmp3lame -ac 2 -ab {1} -hls_time 10 -start_number 0 -hls_list_size 1440 \"{0}\"",
var lowBitrateParams = string.Format(" -threads {0} -vn -codec:a:0 libmp3lame -ac 2 -ab {2} -hls_time 10 -start_number 0 -hls_list_size 1440 \"{1}\"",
threads,
lowBitratePath,
bitrate / 2);

8
MediaBrowser.Api/Playback/Hls/VideoHlsService.cs
View File

@ -1,6 +1,6 @@
using MediaBrowser.Common.IO;
using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Persistence;
@ -32,8 +32,8 @@ namespace MediaBrowser.Api.Playback.Hls
/// </summary>
public class VideoHlsService : BaseHlsService
{
public VideoHlsService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository)
: base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository)
public VideoHlsService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository)
: base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository)
{
}
@ -123,7 +123,7 @@ namespace MediaBrowser.Api.Playback.Hls
(state.SubtitleStream.Codec.IndexOf("pgs", StringComparison.OrdinalIgnoreCase) != -1 ||
state.SubtitleStream.Codec.IndexOf("dvd", StringComparison.OrdinalIgnoreCase) != -1);
var args = "-codec:v:0 " + codec + " -preset superfast" + keyFrameArg;
var args = "-codec:v:0 " + codec + " " + GetVideoQualityParam(state, "libx264") + keyFrameArg;
var bitrate = GetVideoBitrateParam(state);

15
MediaBrowser.Api/Playback/Progressive/AudioService.cs
View File

@ -1,6 +1,6 @@
using MediaBrowser.Common.IO;
using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Library;
@ -41,8 +41,8 @@ namespace MediaBrowser.Api.Playback.Progressive
/// </summary>
public class AudioService : BaseProgressiveStreamingService
{
public AudioService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepo, IDtoService dtoService, IImageProcessor imageProcessor, IFileSystem fileSystem)
: base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, itemRepo, dtoService, imageProcessor, fileSystem)
public AudioService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository, IImageProcessor imageProcessor)
: base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository, imageProcessor)
{
}
@ -101,13 +101,16 @@ namespace MediaBrowser.Api.Playback.Progressive
const string vn = " -vn";
return string.Format("{0} -i {1}{2} -threads 0{5} {3} -id3v2_version 3 -write_id3v1 1 \"{4}\"",
var threads = GetNumberOfThreads();
return string.Format("{0} -i {1}{2} -threads {3}{4} {5} -id3v2_version 3 -write_id3v1 1 \"{6}\"",
GetFastSeekCommandLineParameter(request),
GetInputArgument(state.Item, state.IsoMount),
GetSlowSeekCommandLineParameter(request),
threads,
vn,
string.Join(" ", audioTranscodeParams.ToArray()),
outputPath,
vn).Trim();
outputPath).Trim();
}
}
}

8
MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs
View File

@ -2,7 +2,7 @@
using MediaBrowser.Common.IO;
using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
@ -26,8 +26,8 @@ namespace MediaBrowser.Api.Playback.Progressive
{
protected readonly IImageProcessor ImageProcessor;
protected BaseProgressiveStreamingService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepository, IDtoService dtoService, IImageProcessor imageProcessor, IFileSystem fileSystem) :
base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository)
protected BaseProgressiveStreamingService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository, IImageProcessor imageProcessor)
: base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository)
{
ImageProcessor = imageProcessor;
}
@ -304,7 +304,7 @@ namespace MediaBrowser.Api.Playback.Progressive
}
}
return new ImageService(UserManager, LibraryManager, ApplicationPaths, null, ItemRepository, DtoService, ImageProcessor, null)
return new ImageService(UserManager, LibraryManager, ServerConfigurationManager.ApplicationPaths, null, ItemRepository, DtoService, ImageProcessor, null)
{
Logger = Logger,
Request = Request,

80
MediaBrowser.Api/Playback/Progressive/VideoService.cs
View File

@ -1,6 +1,6 @@
using MediaBrowser.Common.IO;
using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
@ -55,8 +55,8 @@ namespace MediaBrowser.Api.Playback.Progressive
/// </summary>
public class VideoService : BaseProgressiveStreamingService
{
public VideoService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepo, IDtoService dtoService, IImageProcessor imageProcessor, IFileSystem fileSystem)
: base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, itemRepo, dtoService, imageProcessor, fileSystem)
public VideoService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository, IImageProcessor imageProcessor)
: base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository, imageProcessor)
{
}
@ -104,7 +104,7 @@ namespace MediaBrowser.Api.Playback.Progressive
format = " -f mp4 -movflags frag_keyframe+empty_moov";
}
var threads = string.Equals(videoCodec, "libvpx", StringComparison.OrdinalIgnoreCase) ? 2 : 0;
var threads = string.Equals(videoCodec, "libvpx", StringComparison.OrdinalIgnoreCase) ? 2 : GetNumberOfThreads();
return string.Format("{0} {1} {2} -i {3}{4}{5} {6} {7} -threads {8} {9}{10} \"{11}\"",
probeSize,
@ -165,9 +165,16 @@ namespace MediaBrowser.Api.Playback.Progressive
var qualityParam = GetVideoQualityParam(state, codec);
var bitrate = GetVideoBitrateParam(state);
if (bitrate.HasValue)
{
qualityParam += string.Format(" -b:v {0}", bitrate.Value.ToString(UsCulture));
}
if (!string.IsNullOrEmpty(qualityParam))
{
args += " " + qualityParam;
args += " " + qualityParam.Trim();
}
args += " -vsync vfr";
@ -213,9 +220,9 @@ namespace MediaBrowser.Api.Playback.Progressive
{
return "-acodec copy";
}
var args = "-acodec " + codec;
// Add the number of audio channels
var channels = GetNumAudioChannelsParam(request, state.AudioStream);
@ -231,64 +238,23 @@ namespace MediaBrowser.Api.Playback.Progressive
args += " -ab " + bitrate.Value.ToString(UsCulture);
}
var volParam = string.Empty;
var AudioSampleRate = string.Empty;
var volParam = string.Empty;
var AudioSampleRate = string.Empty;
// Boost volume to 200% when downsampling from 6ch to 2ch
if (channels.HasValue && channels.Value <= 2 && state.AudioStream.Channels.HasValue && state.AudioStream.Channels.Value > 5)
{
volParam = ",volume=2.000000";
}
if (state.Request.AudioSampleRate.HasValue)
{
AudioSampleRate= state.Request.AudioSampleRate.Value + ":";
}
args += string.Format(" -af \"aresample={0}async=1000{1}\"",AudioSampleRate, volParam);
return args;
}
/// <summary>
/// Gets the video bitrate to specify on the command line
/// </summary>
/// <param name="state">The state.</param>
/// <param name="videoCodec">The video codec.</param>
/// <returns>System.String.</returns>
private string GetVideoQualityParam(StreamState state, string videoCodec)
{
var args = string.Empty;
// webm
if (videoCodec.Equals("libvpx", StringComparison.OrdinalIgnoreCase))
// Boost volume to 200% when downsampling from 6ch to 2ch
if (channels.HasValue && channels.Value <= 2 && state.AudioStream.Channels.HasValue && state.AudioStream.Channels.Value > 5)
{
args = "-speed 16 -quality good -profile:v 0 -slices 8";
volParam = ",volume=2.000000";
}
// asf/wmv
else if (videoCodec.Equals("wmv2", StringComparison.OrdinalIgnoreCase))
if (state.Request.AudioSampleRate.HasValue)
{
args = "-g 100 -qmax 15";
AudioSampleRate = state.Request.AudioSampleRate.Value + ":";
}
else if (videoCodec.Equals("libx264", StringComparison.OrdinalIgnoreCase))
{
args = "-preset superfast";
}
else if (videoCodec.Equals("mpeg4", StringComparison.OrdinalIgnoreCase))
{
args = "-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -bf 2";
}
args += string.Format(" -af \"aresample={0}async=1000{1}\"", AudioSampleRate, volParam);
var bitrate = GetVideoBitrateParam(state);
if (bitrate.HasValue)
{
args += string.Format(" -b:v {0}", bitrate.Value.ToString(UsCulture));
}
return args.Trim();
return args;
}
}
}

14
MediaBrowser.Model/Configuration/ServerConfiguration.cs
View File

@ -234,6 +234,12 @@ namespace MediaBrowser.Model.Configuration
/// <value><c>true</c> if [enable people prefix sub folders]; otherwise, <c>false</c>.</value>
public bool EnablePeoplePrefixSubFolders { get; set; }
/// <summary>
/// Gets or sets the encoding quality.
/// </summary>
/// <value>The encoding quality.</value>
public EncodingQuality EncodingQuality { get; set; }
/// <summary>
/// Initializes a new instance of the <see cref="ServerConfiguration" /> class.
/// </summary>
@ -293,4 +299,12 @@ namespace MediaBrowser.Model.Configuration
Legacy,
Compatible
}
public enum EncodingQuality
{
Auto,
HighSpeed,
HighQuality,
MaxQuality
}
}