Tdarr_Plugins/Community/Tdarr_Plugin_fu69_aune_audio_to_flac.js

function details() {
    return {
      id: 'Tdarr_Plugin_fu69_aune_audio_to_flac',
      Stage: 'Pre-processing',
      Name: 'Aune - Audio to FLAC',
      Type: 'Audio',
      Operation: 'Transcode',
      Description: 'This plugin transcodes different audio codecs to FLAC. '
        + 'Leaving the default inputs results in lossless conversion as ALAC and PCM codecs don\'t require transcoding for FLAC. It ignores files that contains video streams and is made for music libraries.\n\n',
      Version: '1.00',
      Link: 'https://github.com/HaveAGitGat/Tdarr_Plugins/blob/master/Community/Tdarr_Plugin_fu69_aune_audio_to_flac.js',
      Tags: 'pre-processing,ffmpeg,audio only',
      Inputs: [
        {
          name: "codecs",
          type: 'string',
          defaultValue: 'alac,pcm_s16be,pcm_s16le,pcm_s24be,pcm_s24le,pcm_u16be,pcm_u16le,pcm_u24be,pcm_u24le',
          inputUI: {
            type: 'text',
          },
          tooltip: 
              `Select the codec(s) (comma seperated) you would like to transcode to FLAC. 
              \\nExample:\\n
              alac
              \\nExample:\\n
              alac, pcm_s16be, mp3
              \\nExample:\\n
              alac,pcm_s16be,pcm_s16le,pcm_s24be,pcm_s24le,pcm_u16be,pcm_u16le,pcm_u24be,pcm_u24le`,
        },
      ],
    };
  }
   
  // eslint-disable-next-line no-unused-vars
  function plugin(file, librarySettings, inputs, otherArguments) {
    const lib = require('../methods/lib')();
    // eslint-disable-next-line no-unused-vars,no-param-reassign
    inputs = lib.loadDefaultValues(inputs, details);

    if (inputs.codecs == "" || inputs.codecs == "undefined") {
      response.infoLog += '☒No codecs selected!\n';
      return response;
    } else {
      inputs.codecs = inputs.codecs.split(",");
    }

    const response = {
      processFile: false,
      preset: '<io> -c:a flac -f flac',
      container: '.flac',
      handBrakeMode: false,
      FFmpegMode: true,
      reQueueAfter: true,
      infoLog: '',
    };
   
    if (file.ffProbeData.streams.filter((x) => x.codec_type === 'video' && x.avg_frame_rate !== '0/0').length) {
      response.infoLog += '☒File contains video!\n';
      return response;
    }
   
    // Either transcode to FLAC or ignore file
    for(var i = 0; i < file.ffProbeData.streams.length; i++) {
      for(var j = 0; j < inputs.codecs.length; j++) {
        if(file.ffProbeData.streams[i].codec_type === 'audio' && file.ffProbeData.streams[i].codec_name.toLowerCase() === inputs.codecs[j].toLowerCase().trim()) {
          response.processFile = true;
          response.infoLog += '☒Found ' + inputs.codecs[j].toLowerCase().trim() + ' codec!\n';
          return response;
        }
      }
    }
    response.infoLog += '☑No matching codecs found!\n';
    return response;
  }
   
  module.exports.details = details;
  module.exports.plugin = plugin;