Tdarr_Plugins/Community/Tdarr_Plugin_s710_nick_h265_nvenc_4K.js

function details() {

  return {
    id: "Tdarr_Plugin_s710_nick_h265_nvenc_4K",
    Name: "Nick H265 NVENC 4K",
    Type: "Video",
    Description: `This plugin transcodes all 4K videos to h265 using nvenc (if not in h265 already). For 4K and files in other resolutions: If not in mkv the file is remuxed into mkv. If the English language track is not in AC3,EAC3 or DTS then an AC3 track is added.\n\n
`,
    Version: "1.00",
    Link: "https://github.com/HaveAGitGat/Tdarr_Plugin_s710_nick_h265_nvenc_4K"
  }
}

function plugin(file) {


  //Must return this object

  var response = {

    processFile: false,
    preset: '',
    container: '.mp4',
    handBrakeMode: false,
    FFmpegMode: false,
    reQueueAfter: false,
    infoLog: '',

  }


  response.FFmpegMode = true




  if (file.fileMedium !== "video") {


    console.log("File is not video")

    response.infoLog += "☒File is not video \n"
    response.processFile = false;

    return response

  } else {

    var jsonString = JSON.stringify(file)
    response.container = '.mkv'


    if (file.ffProbeData.streams[0].codec_name == 'hevc' || file.video_resolution !== "4KUHD") {

      var hasPreferredLangTrack = false
      var hasPreferredLangInRequiredCodecs = false
      var hasAnyInRequiredCodecs = false

      var audioIdx = -1
      var engTrackIdx = -1

      var requiredAudioCodecs = "ac3,eac3,dts"
      var preferredLangTrack = "eng"
      var preferredCodec = "ac3"



      for (var i = 0; i < file.ffProbeData.streams.length; i++) {

        try {
          if (file.ffProbeData.streams[i].codec_type.toLowerCase() == "audio") {
            audioIdx++
          }
        } catch (err) { }


        try {
          if (requiredAudioCodecs.includes(file.ffProbeData.streams[i].codec_name)) {
            hasAnyInRequiredCodecs = true

          }
        } catch (err) { }


        try {
          if ((requiredAudioCodecs.includes(file.ffProbeData.streams[i].codec_name)) && file.ffProbeData.streams[i].tags.language.toLowerCase().includes(preferredLangTrack)) {
            hasPreferredLangInRequiredCodecs = true

          }
        } catch (err) { }

        try {
          if (file.ffProbeData.streams[i].tags.language.toLowerCase().includes(preferredLangTrack) && file.ffProbeData.streams[i].codec_type.toLowerCase() == "audio") {
            hasPreferredLangTrack = true
            engTrackIdx = audioIdx

          }
        } catch (err) { }
      }



      if (hasPreferredLangInRequiredCodecs) {

        response.infoLog += `☑File already has ${preferredLangTrack} language track in ${requiredAudioCodecs}! \n`

      } else if (hasPreferredLangTrack) {

        response.processFile = true;
        response.preset = `,-map 0:v -map 0:a:${engTrackIdx} -map 0:a -map 0:s? -map 0:d? -c copy -c:a:0 ${preferredCodec} -b:a:0 192k -ac 2`
        response.container = '.mkv'
        response.handBrakeMode = false
        response.FFmpegMode = true
        response.reQueueAfter = true;
        response.infoLog += `☒File has ${preferredLangTrack} language track but not in ${requiredAudioCodecs}! \n`
        return response

      } else if (!hasAnyInRequiredCodecs) {

        if (audioIdx == -1) {
          response.infoLog += `☒File does not have any audio streams. Can't create ${preferredCodec} track. \n`

        } else {

          response.processFile = true;
          response.preset = `,-map 0:v -map 0:a:0 -map 0:a -map 0:s? -map 0:d? -c copy -c:a:0 ${preferredCodec} -b:a:0 192k -ac 2`
          response.container = '.mkv'
          response.handBrakeMode = false
          response.FFmpegMode = true
          response.reQueueAfter = true;
          response.infoLog += `☒File has no language track in ${requiredAudioCodecs}. No ${preferredLangTrack} track marked so transcoding audio track 1 into ${preferredCodec}! \n`
          return response

        }
      }


      if (file.container != 'mkv') {

        response.processFile = true;
        response.preset = ', -c:v copy -c:a copy'
        response.container = '.mkv'
        response.handBrakeMode = false
        response.FFmpegMode = true
        response.reQueueAfter = true;
        response.infoLog += "☒File is not in mkv container! \n"
        return response

      } else {

        response.infoLog += "☑File is in mkv container! \n"

      }

      response.processFile = false;
      return response

    } else {

      response.processFile = true;
      response.preset = '-Z "H.265 MKV 2160p60" --all-audio'
      response.container = '.mkv'
      response.handBrakeMode = true
      response.FFmpegMode = false
      response.reQueueAfter = true;
      response.infoLog += "☒ 4K file isn't in hevc! \n"
      return response

    }
  }
}

module.exports.details = details;

module.exports.plugin = plugin;