"ffmpeg": {
    "accel": "vaapi",
    "accelDecode": true,
    "acceptedAudioCodecs": [
      "aac",
      "mp3",
      "libopus",
      "pcm_s16le"
    ],
    "acceptedContainers": [
      "mov",
      "ogg",
      "webm"
    ],
    "acceptedVideoCodecs": [
      "h264",
      "hevc",
      "vp9",
      "av1"
    ],
    "bframes": -1,
    "cqMode": "auto",
    "crf": 23,
    "gopSize": 0,
    "maxBitrate": "0",
    "preferredHwDevice": "/dev/dri/renderD128",
    "preset": "medium",
    "refs": 0,
    "targetAudioCodec": "aac",
    "targetResolution": "original",
    "targetVideoCodec": "av1",
    "temporalAQ": false,
    "threads": 0,
    "tonemap": "mobius",
    "transcode": "optimal",
    "twoPass": false
  }