113 lines
3.8 KiB
C#
113 lines
3.8 KiB
C#
using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Controller.Session;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Logging;
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using System;
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using System.Collections.Generic;
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using CommonIO;
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namespace MediaBrowser.MediaEncoding.Encoder
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{
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public class AudioEncoder : BaseEncoder
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{
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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)
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{
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}
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protected override string GetCommandLineArguments(EncodingJob state)
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{
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var audioTranscodeParams = new List<string>();
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var bitrate = state.OutputAudioBitrate;
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if (bitrate.HasValue)
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{
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audioTranscodeParams.Add("-ab " + bitrate.Value.ToString(UsCulture));
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}
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if (state.OutputAudioChannels.HasValue)
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{
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audioTranscodeParams.Add("-ac " + state.OutputAudioChannels.Value.ToString(UsCulture));
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}
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// opus will fail on 44100
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if (!string.Equals(state.OutputAudioCodec, "opus", StringComparison.OrdinalIgnoreCase))
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{
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if (state.OutputAudioSampleRate.HasValue)
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{
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audioTranscodeParams.Add("-ar " + state.OutputAudioSampleRate.Value.ToString(UsCulture));
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}
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}
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var threads = GetNumberOfThreads(state, false);
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var inputModifier = GetInputModifier(state);
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var albumCoverInput = string.Empty;
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var mapArgs = string.Empty;
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var metadata = string.Empty;
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var vn = string.Empty;
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if (!string.IsNullOrWhiteSpace(state.AlbumCoverPath))
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{
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albumCoverInput = " -i \"" + state.AlbumCoverPath + "\"";
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mapArgs = " -map 0:a -map 1:v -c:v copy";
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metadata = " -metadata:s:v title=\"Album cover\" -metadata:s:v comment=\"Cover(Front)\"";
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}
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else
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{
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vn = " -vn";
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}
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return string.Format("{0} {1}{6}{7} -threads {2}{3} {4} -id3v2_version 3 -write_id3v1 1{8} -y \"{5}\"",
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inputModifier,
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GetInputArgument(state),
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threads,
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vn,
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string.Join(" ", audioTranscodeParams.ToArray()),
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state.OutputFilePath,
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albumCoverInput,
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mapArgs,
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metadata).Trim();
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}
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protected override string GetOutputFileExtension(EncodingJob state)
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{
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var ext = base.GetOutputFileExtension(state);
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if (!string.IsNullOrEmpty(ext))
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{
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return ext;
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}
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var audioCodec = state.Options.AudioCodec;
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if (string.Equals("aac", audioCodec, StringComparison.OrdinalIgnoreCase))
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{
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return ".aac";
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}
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if (string.Equals("mp3", audioCodec, StringComparison.OrdinalIgnoreCase))
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{
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return ".mp3";
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}
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if (string.Equals("vorbis", audioCodec, StringComparison.OrdinalIgnoreCase))
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{
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return ".ogg";
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}
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if (string.Equals("wma", audioCodec, StringComparison.OrdinalIgnoreCase))
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{
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return ".wma";
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}
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return null;
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}
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protected override bool IsVideoEncoder
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{
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get { return false; }
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}
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}
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}
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