Henk Add Specific Codec

Community/Tdarr_Plugin_henk_Add_Specific_Audio_Codec.js

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+function details () {
+  return {
+    id: 'Tdarr_Plugin_henk_Add_Specific_Audio_Codec',
+    Stage: 'Pre-processing',
+    Name: '[TESTING][MKV ONLY] Transcode given codec to other given codec and keep original',
+    Type: 'Audio',
+    Operation: 'Transcode',
+    Description: `Re-encodes all audio tracks in a given codec to another given codec.`,
+    Version: '1.00',
+    Link: 'https://github.com/HaveAGitGat/Tdarr_Plugins/blob/master/Community/Tdarr_Plugin_henk_Add_Specific_Audio_Codec',
+    Tags: 'post-processing,configurable',
+
+    Inputs: [{
+      name: 'input_codecs',
+      tooltip: 'Comma separated list of input codecs to be processed. Defaults to dts.' +
+        '\\nExample:\\n' +
+        'dts,aac,ac3'
+    }, {
+      name: 'output_codec',
+      tooltip: 'FFMPEG encoder used for the output of the new tracks. Defaults to ac3.'
+    }, {
+      name: 'bitrate',
+      tooltip: `Specifies the (stereo) bitrate for the new audio codec. Defaults to 128k. Only numbers.`
+    }, {
+      name: 'auto_adjust',
+      tooltip: '[true/false] Multi-channel audio requires a higher bitrate for the same quality, do you want the plugin to calculate this? (bitrate * (channels / 2))'
+    }, {
+      name: 'custom_bitrate_input',
+      tooltip: 'DIRECT ACCESS TO FFMPEG, USE WITH CAUTION. If filled, can be used for custom bitrate arguments.'
+    }],
+  }
+}
+
+function plugin (file, librarySettings, inputs) {
+  var response = {
+    processFile: false,
+    preset: ', -c copy -map 0:v ',
+    container: '.' + file.container,
+    handBrakeMode: false,
+    FFmpegMode: true,
+    reQueueAfter: false,
+    infoLog: '',
+  }
+
+  // Check if file is a video. If it isn't then exit plugin.
+  if (file.fileMedium !== 'video') {
+    response.infoLog += '☒File is not video \n'
+    return response
+  }
+
+  // Check if file is mkv. If it isn't then exit plugin.
+  if (file.container !== 'mkv') {
+    response.infoLog += '☒File is not mkv \n'
+    return response
+  }
+
+  var convertCount = 0
+  var streamCount = 0
+  var indexCount = 0
+  var killPlugin = false
+  var inputCodecs = inputs.input_codecs ? inputs.input_codecs.split(',') : ['dts']
+
+  for (var i = 0; i < file.ffProbeData.streams.length; i++) {
+    var currStream = file.ffProbeData.streams[i]
+    if (currStream.tags.COPYRIGHT) {
+      if (currStream.tags.COPYRIGHT === 'henk_asac') {
+        killPlugin = true
+      }
+    }
+  }
+
+  if (killPlugin) {
+    response.infoLog +=
+      `☑File has already been processed by this plugin.\n`
+    return response
+  }
+
+  for (var i = 0; i < file.ffProbeData.streams.length; i++) {
+    var currStream = file.ffProbeData.streams[i]
+    if (currStream.codec_type.toLowerCase() === 'audio') {
+      response.preset += ` -map 0:a:${indexCount}? -c:a:${streamCount} copy `
+      streamCount++
+
+      if (inputCodecs.includes(currStream.codec_name.toLowerCase())) {
+        convertCount++
+        var bitrate = `-b:a:${streamCount} `
+        if (inputs.custom_bitrate_input) {
+          bitrate += inputs.custom_bitrate_input
+        } else if (inputs.bitrate) {
+          bitrate += inputs.auto_adjust ? (inputs.bitrate * (currStream.channels / 2)) + 'k' : inputs.bitrate + 'k'
+        } else {
+          bitrate = '128k'
+        }
+        response.preset += ` -map 0:a:${indexCount}? -c:a:${streamCount} ${inputs.output_codec || 'ac3'} ${bitrate} ` +
+          `-metadata:s:a:${streamCount} title="" -metadata:s:a:${streamCount} copyright="henk_asac"`
+      }
+      indexCount++
+    }
+  }
+
+  if (convertCount > 0) {
+    response.processFile = true
+    response.container = '.' + file.container
+    response.reQueueAfter = true
+  } else {
+    response.infoLog +=
+      '☑File doesn\'t contain audio tracks with the specified codec.\n'
+  }
+  return response
+}
+
+module.exports.details = details
+module.exports.plugin = plugin