function details() { return { id: "Tdarr_Plugin_MC93_Migz5ConvertAudio", Stage: "Pre-processing", Name: "Migz-Convert audio streams", Type: "Audio", Operation: "Transcode", Description: `This plugin can convert any 2.0 audio track/s to AAC and can create downmixed audio tracks. \n\n`, Version: "2.1", Link: "", Tags: 'pre-processing,ffmpeg,audio only,configurable', Inputs: [{ name: 'aac_stereo', tooltip: `Specify if any 2.0 audio tracks should be converted to aac for maximum compatability with devices. Optional. \\nExample:\\n true \\nExample:\\n false` }, { name: 'downmix', tooltip: `Specify if downmixing should be used to create extra audio tracks. I.e if you have an 8ch but no 2ch or 6ch, create the missing audio tracks from the 8 ch. Likewise if you only have 6ch, create the missing 2ch from it. Optional. \\nExample:\\n true \\nExample:\\n false` }, ] } } function plugin(file, librarySettings, inputs) { var response = { processFile: false, container: '.' + file.container, handBrakeMode: false, FFmpegMode: true, reQueueAfter: true, infoLog: '', } // Check if both inputs.aac_stereo AND inputs.downmix have been left empty. If they have then exit plugin. if (inputs && inputs.aac_stereo == "" && inputs.downmix == "") { response.infoLog += "☒Neither aac_stereo or downmix options have been configured within plugin settings, please configure required options. Skipping this plugin. \n" response.processFile = false return response } // Check if file is a video. If it isn't then exit plugin. if (file.fileMedium !== "video") { console.log("File is not video") response.infoLog += "☒File is not video. \n" response.processFile = false; return response } // Set up required variables. var ffmpegCommandInsert = '' var audioIdx = 0 var has2Channel = false var has6Channel = false var has8Channel = false var convert = false // Go through each stream in the file. for (var i = 0; i < file.ffProbeData.streams.length; i++) { try { // Go through all audio streams and check if 2,6 & 8 channel tracks exist or not. if (file.ffProbeData.streams[i].codec_type.toLowerCase() == "audio") { if (file.ffProbeData.streams[i].channels == "2") { has2Channel = true } if (file.ffProbeData.streams[i].channels == "6") { has6Channel = true } if (file.ffProbeData.streams[i].channels == "8") { has8Channel = true } } } catch (err) {} } // Go through each stream in the file. for (var i = 0; i < file.ffProbeData.streams.length; i++) { // Check if stream is audio. if (file.ffProbeData.streams[i].codec_type.toLowerCase() == "audio") { // Catch error here incase user left inputs.downmix empty. try { // Check if inputs.downmix is set to true. if (inputs.downmix.toLowerCase() == "true") { // Check if file has 8 channel audio but no 6 channel, if so then create extra downmix from the 8 channel. if (has8Channel == true && has6Channel == false && file.ffProbeData.streams[i].channels == "8") { ffmpegCommandInsert += `-map 0:${i} -c:a:${audioIdx} ac3 -ac 6 -metadata:s:a:${audioIdx} title="5.1 " ` response.infoLog += "☒Audio track is 8 channel, no 6 channel exists. Creating 6 channel from 8 channel. \n" convert = true } // Check if file has 6 channel audio but no 2 channel, if so then create extra downmix from the 6 channel. if (has6Channel == true && has2Channel == false && file.ffProbeData.streams[i].channels == "6") { ffmpegCommandInsert += `-map 0:${i} -c:a:${audioIdx} aac -ac 2 -metadata:s:a:${audioIdx} title="2.0 " ` response.infoLog += "☒Audio track is 6 channel, no 2 channel exists. Creating 2 channel from 6 channel. \n" convert = true } } } catch (err) {} // Catch error here incase user left inputs.downmix empty. try { // Check if inputs.aac_stereo is set to true. if (inputs.aac_stereo.toLowerCase() == "true") { // Check if codec_name for stream is NOT aac AND check if channel ammount is 2. if (file.ffProbeData.streams[i].codec_name != "aac" && file.ffProbeData.streams[i].channels == "2") { ffmpegCommandInsert += `-c:a:${audioIdx} aac ` response.infoLog += "☒Audio track is 2 channel but is not AAC. Converting. \n" convert = true } } } catch (err) {} audioIdx++ } } // Convert file if convert variable is set to true. if (convert == true) { response.processFile = true; response.preset = `, -map 0 -c:v copy -c:a copy ${ffmpegCommandInsert} -strict -2 -c:s copy -max_muxing_queue_size 4096 ` } else { response.infoLog += "☑File contains all required audio formats. \n" response.processFile = false; } return response } module.exports.details = details; module.exports.plugin = plugin;