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jellyfin/MediaBrowser.MediaEncoding/Encoder/AudioEncoder.cs

92 lines
3.1 KiB

using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Channels;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
namespace MediaBrowser.MediaEncoding.Encoder
{
public class AudioEncoder : BaseEncoder
{
public AudioEncoder(MediaEncoder mediaEncoder, ILogger logger, IServerConfigurationManager configurationManager, IFileSystem fileSystem, IIsoManager isoManager, ILibraryManager libraryManager, ISessionManager sessionManager, ISubtitleEncoder subtitleEncoder, IMediaSourceManager mediaSourceManager) : base(mediaEncoder, logger, configurationManager, fileSystem, isoManager, libraryManager, sessionManager, subtitleEncoder, mediaSourceManager)
{
}
protected override string GetCommandLineArguments(EncodingJob job)
{
var audioTranscodeParams = new List<string>();
var bitrate = job.OutputAudioBitrate;
if (bitrate.HasValue)
{
audioTranscodeParams.Add("-ab " + bitrate.Value.ToString(UsCulture));
}
if (job.OutputAudioChannels.HasValue)
{
audioTranscodeParams.Add("-ac " + job.OutputAudioChannels.Value.ToString(UsCulture));
}
if (job.OutputAudioSampleRate.HasValue)
{
audioTranscodeParams.Add("-ar " + job.OutputAudioSampleRate.Value.ToString(UsCulture));
}
var threads = GetNumberOfThreads(job, false);
var inputModifier = GetInputModifier(job);
return string.Format("{0} {1} -threads {2}{3} {4} -id3v2_version 3 -write_id3v1 1 -y \"{5}\"",
inputModifier,
GetInputArgument(job),
threads,
" -vn",
string.Join(" ", audioTranscodeParams.ToArray()),
job.OutputFilePath).Trim();
}
protected override string GetOutputFileExtension(EncodingJob state)
{
var ext = base.GetOutputFileExtension(state);
if (!string.IsNullOrEmpty(ext))
{
return ext;
}
var audioCodec = state.Options.AudioCodec;
if (string.Equals("aac", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".aac";
}
if (string.Equals("mp3", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".mp3";
}
if (string.Equals("vorbis", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".ogg";
}
if (string.Equals("wma", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".wma";
}
return null;
}
10 years ago
protected override bool IsVideoEncoder
{
get { return false; }
}
}
}