Tdarr_Plugin_Greg_MP3_FFMPEG_CPU.js (#199)

* Tdarr_Plugin_Greg_MP3_FFMPEG_CPU.js

Trying to contribute a frequently mentioned feature, built and tested on a clustered Tdarr 2.00.10 in Debian/Ubuntu.

* trying to use ellint

* lint

* eslint with this projects configuration

* linting complete

* code review feedback incorporation

Made many changes based on the review from https://github.com/supersnellehenk !

* removed invalid Tag:

* trying to pass failed checks

added module exports dependencies, and moved global import.  linting is happy after the change too.

* ESLint ignore

* Make some simplifications, added default values

* Update details, fix bug

Co-authored-by: Rick Meijer <rick@marojeri.nl>
Co-authored-by: HaveAGitGat <43864057+HaveAGitGat@users.noreply.github.com>

Community/Tdarr_Plugin_Greg_MP3_FFMPEG_CPU.js

@@ -0,0 +1,66 @@
+// eslint-disable-next-line import/no-extraneous-dependencies
+const importFresh = require('import-fresh');
+const loadDefaultValues = require('../methods/loadDefaultValues');
+
+module.exports.dependencies = ['import-fresh'];
+const details = () => ({
+  id: 'Tdarr_Plugin_Greg_MP3_FFMPEG_CPU',
+  Stage: 'Pre-processing',
+  Name: 'Audio Transcode to MP3 using CPU and FFMPEG',
+  Type: 'Audio',
+  Operation: 'Transcode',
+  Description: '[Contains built-in filter] Convert an audio file to mp3, retaining ID3 tags, '
+      + 'and at original bitrate up to 320k - from type of: "flac,wav,ape,ogg,m4a,wma,opus" ',
+  Version: '0.0.1',
+  Tags: 'pre-processing,ffmpeg,audio only',
+  Inputs: [
+    {
+      name: 'codecsToInclude',
+      type: 'string',
+      defaultValue: 'flac,wav,ape,ogg,m4a,wma,opus',
+      inputUI: {
+        type: 'text',
+      },
+      tooltip: `Codecs to exclude
+               \\nExample:\\n
+               flac,wav,ape,ogg,m4a,wma,opus`,
+    },
+  ],
+});
+
+module.exports.details = details;
+
+// eslint-disable-next-line no-unused-vars
+const plugin = (file, librarySettings, inputs, otherArguments) => {
+  // eslint-disable-next-line no-unused-vars,no-param-reassign
+  inputs = loadDefaultValues(inputs, details);
+  const library = importFresh('../methods/library.js');
+  const response = {
+    // 320K selected over 384k intentionally
+    // https://en.m.wikipedia.org/wiki/MPEG-1#Part_3:_Audio
+    preset: ', -map_metadata 0 -id3v2_version 3 -b:a 320k',
+    container: '.mp3',
+    handbrakeMode: false,
+    ffmpegMode: true,
+    processFile: false,
+    reQueueAfter: true,
+  };
+
+  const { codecsToInclude } = inputs;
+
+  const filterByCodecInclude = library.filters.filterByCodec(file, 'include', codecsToInclude);
+  const filterByCodecExclude = library.filters.filterByCodec(file, 'exclude', 'mp3');
+
+  response.infoLog += `${filterByCodecInclude.note} ${filterByCodecExclude.note}`;
+
+  if ((filterByCodecInclude.outcome
+    && filterByCodecExclude.outcome)
+    || file.forceProcessing) {
+    response.processFile = true;
+    return response;
+  }
+  return response;
+};
+
+module.exports.details = details;
+module.exports.plugin = plugin;