Merge pull request #285 from aunefyren/master

Music library plugin, Audio to FLAC

Community/Tdarr_Plugin_f4k1_aune_audio_to_flac.js

@@ -0,0 +1,79 @@
+const details = () => ({
+  id: 'Tdarr_Plugin_f4k1_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',
+  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
+const 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);
+
+  const response = {
+    processFile: false,
+    preset: '<io> -c:a flac -f flac',
+    container: '.flac',
+    handBrakeMode: false,
+    FFmpegMode: true,
+    reQueueAfter: true,
+    infoLog: '',
+  };
+
+  if (inputs.codecs === '' || inputs.codecs === undefined) {
+    response.infoLog += '☒No codecs selected!\n';
+    return response;
+  }
+  // eslint-disable-next-line no-param-reassign
+  inputs.codecs = inputs.codecs.split(',');
+
+  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 (let i = 0; i < file.ffProbeData.streams.length; i += 1) {
+    for (let j = 0; j < inputs.codecs.length; j += 1) {
+      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;

tests/Community/Tdarr_Plugin_f4k1_aune_audio_to_flac.js

@@ -0,0 +1,85 @@
+/* eslint max-len: 0 */
+const _ = require('lodash');
+const run = require('../helpers/run');
+
+const tests = [
+  {
+    input: {
+      file: _.cloneDeep(require('../sampleData/media/sampleH264_1.json')),
+      librarySettings: {},
+      inputs: {},
+      otherArguments: {},
+    },
+    output: {
+      processFile: false,
+      preset: '<io> -c:a flac -f flac',
+      container: '.flac',
+      handBrakeMode: false,
+      FFmpegMode: true,
+      reQueueAfter: true,
+      infoLog: '☒File contains video!\n',
+    },
+  },
+  {
+    input: {
+      file: _.cloneDeep(require('../sampleData/media/sampleMP3_1.json')),
+      librarySettings: {},
+      inputs: {},
+      otherArguments: {},
+    },
+    output: {
+      processFile: false,
+      preset: '<io> -c:a flac -f flac',
+      container: '.flac',
+      handBrakeMode: false,
+      FFmpegMode: true,
+      reQueueAfter: true,
+      infoLog: '☑No matching codecs found!\n',
+    },
+  },
+  {
+    input: {
+      file: _.cloneDeep(require('../sampleData/media/sampleMP3_1.json')),
+      librarySettings: {},
+      inputs: {
+        codecs: 'mp3',
+      },
+      otherArguments: {},
+    },
+    output: {
+      processFile: true,
+      preset: '<io> -c:a flac -f flac',
+      container: '.flac',
+      handBrakeMode: false,
+      FFmpegMode: true,
+      reQueueAfter: true,
+      infoLog: '☒Found mp3 codec!\n',
+    },
+  },
+  {
+    input: {
+      file: (() => {
+        const file = _.cloneDeep(require('../sampleData/media/sampleH264_2.json'));
+        // mock audio file with multiple streams
+        file.ffProbeData.streams[0].codec_type = 'audio';
+        return file;
+      })(),
+      librarySettings: {},
+      inputs: {
+        codecs: 'ac3,eac3,aac',
+      },
+      otherArguments: {},
+    },
+    output: {
+      processFile: true,
+      preset: '<io> -c:a flac -f flac',
+      container: '.flac',
+      handBrakeMode: false,
+      FFmpegMode: true,
+      reQueueAfter: true,
+      infoLog: '☒Found ac3 codec!\n',
+    },
+  },
+];
+
+run(tests);